зеркало из https://github.com/stride3d/xkslang.git
3280 строки
142 KiB
C++
3280 строки
142 KiB
C++
//
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//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
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//Copyright (C) 2012-2013 LunarG, Inc.
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//
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//All rights reserved.
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//
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//Redistribution and use in source and binary forms, with or without
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//modification, are permitted provided that the following conditions
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//are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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//POSSIBILITY OF SUCH DAMAGE.
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//
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//
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// Create strings that declare built-in definitions, add built-ins programmatically
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// that cannot be expressed in the strings, and establish mappings between
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// built-in functions and operators.
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//
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// Where to put a built-in:
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// TBuiltIns::initialize(version,profile) context-independent textual built-ins; add them to the right string
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// TBuiltIns::initialize(resources,...) context-dependent textual built-ins; add them to the right string
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// IdentifyBuiltIns(...,symbolTable) context-independent programmatic additions/mappings to the symbol table,
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// including identifying what extensions are needed if a version does not allow a symbol
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// IdentifyBuiltIns(...,symbolTable, resources) context-dependent programmatic additions/mappings to the symbol table,
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// including identifying what extensions are needed if a version does not allow a symbol
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//
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#include "../Include/intermediate.h"
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#include "Initialize.h"
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namespace glslang {
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// TODO: ARB_Compatability: do full extension support
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bool ARBCompatibility = true;
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const bool ForwardCompatibility = false;
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const bool PureOperatorBuiltins = false; // could break backward compatibility; pending feedback
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inline bool IncludeLegacy(int version, EProfile profile)
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{
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return profile != EEsProfile && (version <= 130 || ARBCompatibility || profile == ECompatibilityProfile);
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}
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TBuiltIns::TBuiltIns()
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{
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// Set up textual representations for making all the permutations
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// of texturing/imaging functions.
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prefixes[EbtFloat] = "";
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prefixes[EbtInt] = "i";
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prefixes[EbtUint] = "u";
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postfixes[2] = "2";
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postfixes[3] = "3";
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postfixes[4] = "4";
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// Map from symbolic class of texturing dimension to numeric dimensions.
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dimMap[Esd1D] = 1;
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dimMap[Esd2D] = 2;
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dimMap[EsdRect] = 2;
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dimMap[Esd3D] = 3;
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dimMap[EsdCube] = 3;
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dimMap[EsdBuffer] = 1;
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}
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TBuiltIns::~TBuiltIns()
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{
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}
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//
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// Add all context-independent built-in functions and variables that are present
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// for the given version and profile. Share common ones across stages, otherwise
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// make stage-specific entries.
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//
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// Most built-ins variables can be added as simple text strings. Some need to
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// be added programmatically, which is done later in IdentifyBuiltIns() below.
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//
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void TBuiltIns::initialize(int version, EProfile profile)
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{
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//============================================================================
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//
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// Prototypes for built-in functions seen by both vertex and fragment shaders.
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//
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//============================================================================
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//
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// Angle and Trigonometric Functions.
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//
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commonBuiltins.append(
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"float radians(float degrees);"
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"vec2 radians(vec2 degrees);"
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"vec3 radians(vec3 degrees);"
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"vec4 radians(vec4 degrees);"
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"float degrees(float radians);"
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"vec2 degrees(vec2 radians);"
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"vec3 degrees(vec3 radians);"
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"vec4 degrees(vec4 radians);"
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"float sin(float angle);"
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"vec2 sin(vec2 angle);"
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"vec3 sin(vec3 angle);"
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"vec4 sin(vec4 angle);"
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"float cos(float angle);"
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"vec2 cos(vec2 angle);"
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"vec3 cos(vec3 angle);"
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"vec4 cos(vec4 angle);"
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"float tan(float angle);"
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"vec2 tan(vec2 angle);"
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"vec3 tan(vec3 angle);"
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"vec4 tan(vec4 angle);"
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"float asin(float x);"
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"vec2 asin(vec2 x);"
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"vec3 asin(vec3 x);"
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"vec4 asin(vec4 x);"
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"float acos(float x);"
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"vec2 acos(vec2 x);"
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"vec3 acos(vec3 x);"
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"vec4 acos(vec4 x);"
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"float atan(float y, float x);"
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"vec2 atan(vec2 y, vec2 x);"
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"vec3 atan(vec3 y, vec3 x);"
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"vec4 atan(vec4 y, vec4 x);"
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"float atan(float y_over_x);"
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"vec2 atan(vec2 y_over_x);"
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"vec3 atan(vec3 y_over_x);"
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"vec4 atan(vec4 y_over_x);"
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"\n");
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if (version >= 130) {
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commonBuiltins.append(
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"float sinh(float angle);"
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"vec2 sinh(vec2 angle);"
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"vec3 sinh(vec3 angle);"
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"vec4 sinh(vec4 angle);"
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"float cosh(float angle);"
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"vec2 cosh(vec2 angle);"
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"vec3 cosh(vec3 angle);"
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"vec4 cosh(vec4 angle);"
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"float tanh(float angle);"
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"vec2 tanh(vec2 angle);"
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"vec3 tanh(vec3 angle);"
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"vec4 tanh(vec4 angle);"
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"float asinh(float x);"
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"vec2 asinh(vec2 x);"
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"vec3 asinh(vec3 x);"
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"vec4 asinh(vec4 x);"
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"float acosh(float x);"
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"vec2 acosh(vec2 x);"
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"vec3 acosh(vec3 x);"
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"vec4 acosh(vec4 x);"
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"float atanh(float y_over_x);"
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"vec2 atanh(vec2 y_over_x);"
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"vec3 atanh(vec3 y_over_x);"
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"vec4 atanh(vec4 y_over_x);"
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"\n");
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}
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//
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// Exponential Functions.
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//
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commonBuiltins.append(
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"float pow(float x, float y);"
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"vec2 pow(vec2 x, vec2 y);"
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"vec3 pow(vec3 x, vec3 y);"
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"vec4 pow(vec4 x, vec4 y);"
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"float exp(float x);"
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"vec2 exp(vec2 x);"
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"vec3 exp(vec3 x);"
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"vec4 exp(vec4 x);"
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"float log(float x);"
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"vec2 log(vec2 x);"
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"vec3 log(vec3 x);"
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"vec4 log(vec4 x);"
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"float exp2(float x);"
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"vec2 exp2(vec2 x);"
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"vec3 exp2(vec3 x);"
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"vec4 exp2(vec4 x);"
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"float log2(float x);"
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"vec2 log2(vec2 x);"
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"vec3 log2(vec3 x);"
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"vec4 log2(vec4 x);"
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"float sqrt(float x);"
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"vec2 sqrt(vec2 x);"
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"vec3 sqrt(vec3 x);"
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"vec4 sqrt(vec4 x);"
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"float inversesqrt(float x);"
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"vec2 inversesqrt(vec2 x);"
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"vec3 inversesqrt(vec3 x);"
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"vec4 inversesqrt(vec4 x);"
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"\n");
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//
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// Common Functions.
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//
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commonBuiltins.append(
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"float abs(float x);"
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"vec2 abs(vec2 x);"
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"vec3 abs(vec3 x);"
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"vec4 abs(vec4 x);"
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"float sign(float x);"
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"vec2 sign(vec2 x);"
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"vec3 sign(vec3 x);"
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"vec4 sign(vec4 x);"
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"float floor(float x);"
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"vec2 floor(vec2 x);"
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"vec3 floor(vec3 x);"
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"vec4 floor(vec4 x);"
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"float ceil(float x);"
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"vec2 ceil(vec2 x);"
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"vec3 ceil(vec3 x);"
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"vec4 ceil(vec4 x);"
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"float fract(float x);"
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"vec2 fract(vec2 x);"
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"vec3 fract(vec3 x);"
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"vec4 fract(vec4 x);"
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"float mod(float x, float y);"
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"vec2 mod(vec2 x, float y);"
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"vec3 mod(vec3 x, float y);"
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"vec4 mod(vec4 x, float y);"
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"vec2 mod(vec2 x, vec2 y);"
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"vec3 mod(vec3 x, vec3 y);"
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"vec4 mod(vec4 x, vec4 y);"
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"float min(float x, float y);"
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"vec2 min(vec2 x, float y);"
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"vec3 min(vec3 x, float y);"
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"vec4 min(vec4 x, float y);"
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"vec2 min(vec2 x, vec2 y);"
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"vec3 min(vec3 x, vec3 y);"
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"vec4 min(vec4 x, vec4 y);"
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"float max(float x, float y);"
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"vec2 max(vec2 x, float y);"
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"vec3 max(vec3 x, float y);"
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"vec4 max(vec4 x, float y);"
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"vec2 max(vec2 x, vec2 y);"
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"vec3 max(vec3 x, vec3 y);"
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"vec4 max(vec4 x, vec4 y);"
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"float clamp(float x, float minVal, float maxVal);"
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"vec2 clamp(vec2 x, float minVal, float maxVal);"
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"vec3 clamp(vec3 x, float minVal, float maxVal);"
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"vec4 clamp(vec4 x, float minVal, float maxVal);"
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"vec2 clamp(vec2 x, vec2 minVal, vec2 maxVal);"
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"vec3 clamp(vec3 x, vec3 minVal, vec3 maxVal);"
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"vec4 clamp(vec4 x, vec4 minVal, vec4 maxVal);"
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"float mix(float x, float y, float a);"
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"vec2 mix(vec2 x, vec2 y, float a);"
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"vec3 mix(vec3 x, vec3 y, float a);"
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"vec4 mix(vec4 x, vec4 y, float a);"
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"vec2 mix(vec2 x, vec2 y, vec2 a);"
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"vec3 mix(vec3 x, vec3 y, vec3 a);"
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"vec4 mix(vec4 x, vec4 y, vec4 a);"
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"float step(float edge, float x);"
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"vec2 step(vec2 edge, vec2 x);"
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"vec3 step(vec3 edge, vec3 x);"
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"vec4 step(vec4 edge, vec4 x);"
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"vec2 step(float edge, vec2 x);"
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"vec3 step(float edge, vec3 x);"
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"vec4 step(float edge, vec4 x);"
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"float smoothstep(float edge0, float edge1, float x);"
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"vec2 smoothstep(vec2 edge0, vec2 edge1, vec2 x);"
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"vec3 smoothstep(vec3 edge0, vec3 edge1, vec3 x);"
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"vec4 smoothstep(vec4 edge0, vec4 edge1, vec4 x);"
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"vec2 smoothstep(float edge0, float edge1, vec2 x);"
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"vec3 smoothstep(float edge0, float edge1, vec3 x);"
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"vec4 smoothstep(float edge0, float edge1, vec4 x);"
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"\n");
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if (version >= 130) {
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commonBuiltins.append(
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" int abs( int x);"
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"ivec2 abs(ivec2 x);"
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"ivec3 abs(ivec3 x);"
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"ivec4 abs(ivec4 x);"
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" int sign( int x);"
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"ivec2 sign(ivec2 x);"
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"ivec3 sign(ivec3 x);"
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"ivec4 sign(ivec4 x);"
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"float trunc(float x);"
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"vec2 trunc(vec2 x);"
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"vec3 trunc(vec3 x);"
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"vec4 trunc(vec4 x);"
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"float round(float x);"
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"vec2 round(vec2 x);"
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"vec3 round(vec3 x);"
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"vec4 round(vec4 x);"
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"float roundEven(float x);"
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"vec2 roundEven(vec2 x);"
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"vec3 roundEven(vec3 x);"
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"vec4 roundEven(vec4 x);"
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"float modf(float, out float);"
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"vec2 modf(vec2, out vec2 );"
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"vec3 modf(vec3, out vec3 );"
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"vec4 modf(vec4, out vec4 );"
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" int min(int x, int y);"
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"ivec2 min(ivec2 x, int y);"
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"ivec3 min(ivec3 x, int y);"
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"ivec4 min(ivec4 x, int y);"
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"ivec2 min(ivec2 x, ivec2 y);"
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"ivec3 min(ivec3 x, ivec3 y);"
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"ivec4 min(ivec4 x, ivec4 y);"
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" uint min(uint x, uint y);"
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"uvec2 min(uvec2 x, uint y);"
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"uvec3 min(uvec3 x, uint y);"
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"uvec4 min(uvec4 x, uint y);"
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"uvec2 min(uvec2 x, uvec2 y);"
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"uvec3 min(uvec3 x, uvec3 y);"
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"uvec4 min(uvec4 x, uvec4 y);"
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" int max(int x, int y);"
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"ivec2 max(ivec2 x, int y);"
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"ivec3 max(ivec3 x, int y);"
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"ivec4 max(ivec4 x, int y);"
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"ivec2 max(ivec2 x, ivec2 y);"
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"ivec3 max(ivec3 x, ivec3 y);"
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"ivec4 max(ivec4 x, ivec4 y);"
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" uint max(uint x, uint y);"
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"uvec2 max(uvec2 x, uint y);"
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"uvec3 max(uvec3 x, uint y);"
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"uvec4 max(uvec4 x, uint y);"
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"uvec2 max(uvec2 x, uvec2 y);"
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"uvec3 max(uvec3 x, uvec3 y);"
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"uvec4 max(uvec4 x, uvec4 y);"
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"int clamp(int x, int minVal, int maxVal);"
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"ivec2 clamp(ivec2 x, int minVal, int maxVal);"
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"ivec3 clamp(ivec3 x, int minVal, int maxVal);"
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"ivec4 clamp(ivec4 x, int minVal, int maxVal);"
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"ivec2 clamp(ivec2 x, ivec2 minVal, ivec2 maxVal);"
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"ivec3 clamp(ivec3 x, ivec3 minVal, ivec3 maxVal);"
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"ivec4 clamp(ivec4 x, ivec4 minVal, ivec4 maxVal);"
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"uint clamp(uint x, uint minVal, uint maxVal);"
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"uvec2 clamp(uvec2 x, uint minVal, uint maxVal);"
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"uvec3 clamp(uvec3 x, uint minVal, uint maxVal);"
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"uvec4 clamp(uvec4 x, uint minVal, uint maxVal);"
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"uvec2 clamp(uvec2 x, uvec2 minVal, uvec2 maxVal);"
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"uvec3 clamp(uvec3 x, uvec3 minVal, uvec3 maxVal);"
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"uvec4 clamp(uvec4 x, uvec4 minVal, uvec4 maxVal);"
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"float mix(float x, float y, bool a);"
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"vec2 mix(vec2 x, vec2 y, bvec2 a);"
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"vec3 mix(vec3 x, vec3 y, bvec3 a);"
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"vec4 mix(vec4 x, vec4 y, bvec4 a);"
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"bool isnan(float x);"
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"bvec2 isnan(vec2 x);"
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"bvec3 isnan(vec3 x);"
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"bvec4 isnan(vec4 x);"
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"bool isinf(float x);"
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"bvec2 isinf(vec2 x);"
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"bvec3 isinf(vec3 x);"
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"bvec4 isinf(vec4 x);"
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"\n");
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}
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if ((profile == EEsProfile && version >= 310) ||
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(profile != EEsProfile && version >= 430)) {
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commonBuiltins.append(
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"uint atomicAdd(coherent volatile inout uint, uint);"
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" int atomicAdd(coherent volatile inout int, int);"
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"uint atomicMin(coherent volatile inout uint, uint);"
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" int atomicMin(coherent volatile inout int, int);"
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"uint atomicMax(coherent volatile inout uint, uint);"
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" int atomicMax(coherent volatile inout int, int);"
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"uint atomicAnd(coherent volatile inout uint, uint);"
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" int atomicAnd(coherent volatile inout int, int);"
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"uint atomicOr (coherent volatile inout uint, uint);"
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" int atomicOr (coherent volatile inout int, int);"
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"uint atomicXor(coherent volatile inout uint, uint);"
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" int atomicXor(coherent volatile inout int, int);"
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"uint atomicExchange(coherent volatile inout uint, uint);"
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" int atomicExchange(coherent volatile inout int, int);"
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"uint atomicCompSwap(coherent volatile inout uint, uint, uint);"
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" int atomicCompSwap(coherent volatile inout int, int, int);"
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"\n");
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}
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if ((profile == EEsProfile && version >= 310) ||
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(profile != EEsProfile && version >= 450)) {
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commonBuiltins.append(
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"int mix(int x, int y, bool a);"
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"ivec2 mix(ivec2 x, ivec2 y, bvec2 a);"
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"ivec3 mix(ivec3 x, ivec3 y, bvec3 a);"
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"ivec4 mix(ivec4 x, ivec4 y, bvec4 a);"
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"uint mix(uint x, uint y, bool a);"
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"uvec2 mix(uvec2 x, uvec2 y, bvec2 a);"
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"uvec3 mix(uvec3 x, uvec3 y, bvec3 a);"
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"uvec4 mix(uvec4 x, uvec4 y, bvec4 a);"
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"bool mix(bool x, bool y, bool a);"
|
|
"bvec2 mix(bvec2 x, bvec2 y, bvec2 a);"
|
|
"bvec3 mix(bvec3 x, bvec3 y, bvec3 a);"
|
|
"bvec4 mix(bvec4 x, bvec4 y, bvec4 a);"
|
|
|
|
"\n");
|
|
}
|
|
|
|
if ((profile == EEsProfile && version >= 300) ||
|
|
(profile != EEsProfile && version >= 330)) {
|
|
commonBuiltins.append(
|
|
"int floatBitsToInt(float value);"
|
|
"ivec2 floatBitsToInt(vec2 value);"
|
|
"ivec3 floatBitsToInt(vec3 value);"
|
|
"ivec4 floatBitsToInt(vec4 value);"
|
|
|
|
"uint floatBitsToUint(float value);"
|
|
"uvec2 floatBitsToUint(vec2 value);"
|
|
"uvec3 floatBitsToUint(vec3 value);"
|
|
"uvec4 floatBitsToUint(vec4 value);"
|
|
|
|
"float intBitsToFloat(int value);"
|
|
"vec2 intBitsToFloat(ivec2 value);"
|
|
"vec3 intBitsToFloat(ivec3 value);"
|
|
"vec4 intBitsToFloat(ivec4 value);"
|
|
|
|
"float uintBitsToFloat(uint value);"
|
|
"vec2 uintBitsToFloat(uvec2 value);"
|
|
"vec3 uintBitsToFloat(uvec3 value);"
|
|
"vec4 uintBitsToFloat(uvec4 value);"
|
|
|
|
"\n");
|
|
}
|
|
|
|
if ((profile != EEsProfile && version >= 400) ||
|
|
(profile == EEsProfile && version >= 310)) { // GL_OES_gpu_shader5
|
|
|
|
commonBuiltins.append(
|
|
"float fma(float, float, float );"
|
|
"vec2 fma(vec2, vec2, vec2 );"
|
|
"vec3 fma(vec3, vec3, vec3 );"
|
|
"vec4 fma(vec4, vec4, vec4 );"
|
|
"\n");
|
|
|
|
if (profile != EEsProfile) {
|
|
commonBuiltins.append(
|
|
"double fma(double, double, double);"
|
|
"dvec2 fma(dvec2, dvec2, dvec2 );"
|
|
"dvec3 fma(dvec3, dvec3, dvec3 );"
|
|
"dvec4 fma(dvec4, dvec4, dvec4 );"
|
|
"\n");
|
|
}
|
|
}
|
|
|
|
if ((profile == EEsProfile && version >= 310) ||
|
|
(profile != EEsProfile && version >= 400)) {
|
|
commonBuiltins.append(
|
|
"highp float frexp(highp float, out highp int);"
|
|
"highp vec2 frexp(highp vec2, out highp ivec2);"
|
|
"highp vec3 frexp(highp vec3, out highp ivec3);"
|
|
"highp vec4 frexp(highp vec4, out highp ivec4);"
|
|
|
|
"highp float ldexp(highp float, highp int);"
|
|
"highp vec2 ldexp(highp vec2, highp ivec2);"
|
|
"highp vec3 ldexp(highp vec3, highp ivec3);"
|
|
"highp vec4 ldexp(highp vec4, highp ivec4);"
|
|
|
|
"\n");
|
|
}
|
|
|
|
if (profile != EEsProfile && version >= 400) {
|
|
commonBuiltins.append(
|
|
"double frexp(double, out int);"
|
|
"dvec2 frexp( dvec2, out ivec2);"
|
|
"dvec3 frexp( dvec3, out ivec3);"
|
|
"dvec4 frexp( dvec4, out ivec4);"
|
|
|
|
"double ldexp(double, int);"
|
|
"dvec2 ldexp( dvec2, ivec2);"
|
|
"dvec3 ldexp( dvec3, ivec3);"
|
|
"dvec4 ldexp( dvec4, ivec4);"
|
|
|
|
"double packDouble2x32(uvec2);"
|
|
"uvec2 unpackDouble2x32(double);"
|
|
|
|
"\n");
|
|
}
|
|
|
|
if ((profile == EEsProfile && version >= 300) ||
|
|
(profile != EEsProfile && version >= 400)) {
|
|
commonBuiltins.append(
|
|
"highp uint packUnorm2x16(vec2);"
|
|
"highp vec2 unpackUnorm2x16(highp uint);"
|
|
"\n");
|
|
}
|
|
|
|
if ((profile == EEsProfile && version >= 300) ||
|
|
(profile != EEsProfile && version >= 420)) {
|
|
commonBuiltins.append(
|
|
"highp uint packSnorm2x16(vec2);"
|
|
"highp vec2 unpackSnorm2x16(highp uint);"
|
|
"highp uint packHalf2x16(mediump vec2);"
|
|
"mediump vec2 unpackHalf2x16(highp uint);"
|
|
"\n");
|
|
}
|
|
|
|
if ((profile == EEsProfile && version >= 310) ||
|
|
(profile != EEsProfile && version >= 400)) {
|
|
commonBuiltins.append(
|
|
"highp uint packSnorm4x8 (mediump vec4);"
|
|
"mediump vec4 unpackSnorm4x8(highp uint);"
|
|
"highp uint packUnorm4x8 (mediump vec4);"
|
|
"mediump vec4 unpackUnorm4x8(highp uint);"
|
|
"\n");
|
|
}
|
|
|
|
//
|
|
// Geometric Functions.
|
|
//
|
|
commonBuiltins.append(
|
|
"float length(float x);"
|
|
"float length(vec2 x);"
|
|
"float length(vec3 x);"
|
|
"float length(vec4 x);"
|
|
|
|
"float distance(float p0, float p1);"
|
|
"float distance(vec2 p0, vec2 p1);"
|
|
"float distance(vec3 p0, vec3 p1);"
|
|
"float distance(vec4 p0, vec4 p1);"
|
|
|
|
"float dot(float x, float y);"
|
|
"float dot(vec2 x, vec2 y);"
|
|
"float dot(vec3 x, vec3 y);"
|
|
"float dot(vec4 x, vec4 y);"
|
|
|
|
"vec3 cross(vec3 x, vec3 y);"
|
|
"float normalize(float x);"
|
|
"vec2 normalize(vec2 x);"
|
|
"vec3 normalize(vec3 x);"
|
|
"vec4 normalize(vec4 x);"
|
|
|
|
"float faceforward(float N, float I, float Nref);"
|
|
"vec2 faceforward(vec2 N, vec2 I, vec2 Nref);"
|
|
"vec3 faceforward(vec3 N, vec3 I, vec3 Nref);"
|
|
"vec4 faceforward(vec4 N, vec4 I, vec4 Nref);"
|
|
|
|
"float reflect(float I, float N);"
|
|
"vec2 reflect(vec2 I, vec2 N);"
|
|
"vec3 reflect(vec3 I, vec3 N);"
|
|
"vec4 reflect(vec4 I, vec4 N);"
|
|
|
|
"float refract(float I, float N, float eta);"
|
|
"vec2 refract(vec2 I, vec2 N, float eta);"
|
|
"vec3 refract(vec3 I, vec3 N, float eta);"
|
|
"vec4 refract(vec4 I, vec4 N, float eta);"
|
|
|
|
"\n");
|
|
|
|
//
|
|
// Matrix Functions.
|
|
//
|
|
commonBuiltins.append(
|
|
"mat2 matrixCompMult(mat2 x, mat2 y);"
|
|
"mat3 matrixCompMult(mat3 x, mat3 y);"
|
|
"mat4 matrixCompMult(mat4 x, mat4 y);"
|
|
|
|
"\n");
|
|
|
|
// 120 is correct for both ES and desktop
|
|
if (version >= 120) {
|
|
commonBuiltins.append(
|
|
"mat2 outerProduct(vec2 c, vec2 r);"
|
|
"mat3 outerProduct(vec3 c, vec3 r);"
|
|
"mat4 outerProduct(vec4 c, vec4 r);"
|
|
"mat2x3 outerProduct(vec3 c, vec2 r);"
|
|
"mat3x2 outerProduct(vec2 c, vec3 r);"
|
|
"mat2x4 outerProduct(vec4 c, vec2 r);"
|
|
"mat4x2 outerProduct(vec2 c, vec4 r);"
|
|
"mat3x4 outerProduct(vec4 c, vec3 r);"
|
|
"mat4x3 outerProduct(vec3 c, vec4 r);"
|
|
|
|
"mat2 transpose(mat2 m);"
|
|
"mat3 transpose(mat3 m);"
|
|
"mat4 transpose(mat4 m);"
|
|
"mat2x3 transpose(mat3x2 m);"
|
|
"mat3x2 transpose(mat2x3 m);"
|
|
"mat2x4 transpose(mat4x2 m);"
|
|
"mat4x2 transpose(mat2x4 m);"
|
|
"mat3x4 transpose(mat4x3 m);"
|
|
"mat4x3 transpose(mat3x4 m);"
|
|
|
|
"mat2x3 matrixCompMult(mat2x3, mat2x3);"
|
|
"mat2x4 matrixCompMult(mat2x4, mat2x4);"
|
|
"mat3x2 matrixCompMult(mat3x2, mat3x2);"
|
|
"mat3x4 matrixCompMult(mat3x4, mat3x4);"
|
|
"mat4x2 matrixCompMult(mat4x2, mat4x2);"
|
|
"mat4x3 matrixCompMult(mat4x3, mat4x3);"
|
|
|
|
"\n");
|
|
|
|
// 150 is correct for both ES and desktop
|
|
if (version >= 150) {
|
|
commonBuiltins.append(
|
|
"float determinant(mat2 m);"
|
|
"float determinant(mat3 m);"
|
|
"float determinant(mat4 m);"
|
|
|
|
"mat2 inverse(mat2 m);"
|
|
"mat3 inverse(mat3 m);"
|
|
"mat4 inverse(mat4 m);"
|
|
|
|
"\n");
|
|
}
|
|
}
|
|
|
|
//
|
|
// Vector relational functions.
|
|
//
|
|
commonBuiltins.append(
|
|
"bvec2 lessThan(vec2 x, vec2 y);"
|
|
"bvec3 lessThan(vec3 x, vec3 y);"
|
|
"bvec4 lessThan(vec4 x, vec4 y);"
|
|
|
|
"bvec2 lessThan(ivec2 x, ivec2 y);"
|
|
"bvec3 lessThan(ivec3 x, ivec3 y);"
|
|
"bvec4 lessThan(ivec4 x, ivec4 y);"
|
|
|
|
"bvec2 lessThanEqual(vec2 x, vec2 y);"
|
|
"bvec3 lessThanEqual(vec3 x, vec3 y);"
|
|
"bvec4 lessThanEqual(vec4 x, vec4 y);"
|
|
|
|
"bvec2 lessThanEqual(ivec2 x, ivec2 y);"
|
|
"bvec3 lessThanEqual(ivec3 x, ivec3 y);"
|
|
"bvec4 lessThanEqual(ivec4 x, ivec4 y);"
|
|
|
|
"bvec2 greaterThan(vec2 x, vec2 y);"
|
|
"bvec3 greaterThan(vec3 x, vec3 y);"
|
|
"bvec4 greaterThan(vec4 x, vec4 y);"
|
|
|
|
"bvec2 greaterThan(ivec2 x, ivec2 y);"
|
|
"bvec3 greaterThan(ivec3 x, ivec3 y);"
|
|
"bvec4 greaterThan(ivec4 x, ivec4 y);"
|
|
|
|
"bvec2 greaterThanEqual(vec2 x, vec2 y);"
|
|
"bvec3 greaterThanEqual(vec3 x, vec3 y);"
|
|
"bvec4 greaterThanEqual(vec4 x, vec4 y);"
|
|
|
|
"bvec2 greaterThanEqual(ivec2 x, ivec2 y);"
|
|
"bvec3 greaterThanEqual(ivec3 x, ivec3 y);"
|
|
"bvec4 greaterThanEqual(ivec4 x, ivec4 y);"
|
|
|
|
"bvec2 equal(vec2 x, vec2 y);"
|
|
"bvec3 equal(vec3 x, vec3 y);"
|
|
"bvec4 equal(vec4 x, vec4 y);"
|
|
|
|
"bvec2 equal(ivec2 x, ivec2 y);"
|
|
"bvec3 equal(ivec3 x, ivec3 y);"
|
|
"bvec4 equal(ivec4 x, ivec4 y);"
|
|
|
|
"bvec2 equal(bvec2 x, bvec2 y);"
|
|
"bvec3 equal(bvec3 x, bvec3 y);"
|
|
"bvec4 equal(bvec4 x, bvec4 y);"
|
|
|
|
"bvec2 notEqual(vec2 x, vec2 y);"
|
|
"bvec3 notEqual(vec3 x, vec3 y);"
|
|
"bvec4 notEqual(vec4 x, vec4 y);"
|
|
|
|
"bvec2 notEqual(ivec2 x, ivec2 y);"
|
|
"bvec3 notEqual(ivec3 x, ivec3 y);"
|
|
"bvec4 notEqual(ivec4 x, ivec4 y);"
|
|
|
|
"bvec2 notEqual(bvec2 x, bvec2 y);"
|
|
"bvec3 notEqual(bvec3 x, bvec3 y);"
|
|
"bvec4 notEqual(bvec4 x, bvec4 y);"
|
|
|
|
"bool any(bvec2 x);"
|
|
"bool any(bvec3 x);"
|
|
"bool any(bvec4 x);"
|
|
|
|
"bool all(bvec2 x);"
|
|
"bool all(bvec3 x);"
|
|
"bool all(bvec4 x);"
|
|
|
|
"bvec2 not(bvec2 x);"
|
|
"bvec3 not(bvec3 x);"
|
|
"bvec4 not(bvec4 x);"
|
|
|
|
"\n");
|
|
|
|
if (version >= 130) {
|
|
commonBuiltins.append(
|
|
"bvec2 lessThan(uvec2 x, uvec2 y);"
|
|
"bvec3 lessThan(uvec3 x, uvec3 y);"
|
|
"bvec4 lessThan(uvec4 x, uvec4 y);"
|
|
|
|
"bvec2 lessThanEqual(uvec2 x, uvec2 y);"
|
|
"bvec3 lessThanEqual(uvec3 x, uvec3 y);"
|
|
"bvec4 lessThanEqual(uvec4 x, uvec4 y);"
|
|
|
|
"bvec2 greaterThan(uvec2 x, uvec2 y);"
|
|
"bvec3 greaterThan(uvec3 x, uvec3 y);"
|
|
"bvec4 greaterThan(uvec4 x, uvec4 y);"
|
|
|
|
"bvec2 greaterThanEqual(uvec2 x, uvec2 y);"
|
|
"bvec3 greaterThanEqual(uvec3 x, uvec3 y);"
|
|
"bvec4 greaterThanEqual(uvec4 x, uvec4 y);"
|
|
|
|
"bvec2 equal(uvec2 x, uvec2 y);"
|
|
"bvec3 equal(uvec3 x, uvec3 y);"
|
|
"bvec4 equal(uvec4 x, uvec4 y);"
|
|
|
|
"bvec2 notEqual(uvec2 x, uvec2 y);"
|
|
"bvec3 notEqual(uvec3 x, uvec3 y);"
|
|
"bvec4 notEqual(uvec4 x, uvec4 y);"
|
|
|
|
"\n");
|
|
}
|
|
|
|
//
|
|
// Original-style texture functions existing in all stages.
|
|
// (Per-stage functions below.)
|
|
//
|
|
if ((profile == EEsProfile && version == 100) ||
|
|
profile == ECompatibilityProfile ||
|
|
(profile == ECoreProfile && version < 420) ||
|
|
profile == ENoProfile) {
|
|
commonBuiltins.append(
|
|
"vec4 texture2D(sampler2D, vec2);"
|
|
|
|
"vec4 texture2DProj(sampler2D, vec3);"
|
|
"vec4 texture2DProj(sampler2D, vec4);"
|
|
|
|
"vec4 texture3D(sampler3D, vec3);" // OES_texture_3D, but caught by keyword check
|
|
"vec4 texture3DProj(sampler3D, vec4);" // OES_texture_3D, but caught by keyword check
|
|
|
|
"vec4 textureCube(samplerCube, vec3);"
|
|
|
|
"\n");
|
|
}
|
|
|
|
if ( profile == ECompatibilityProfile ||
|
|
(profile == ECoreProfile && version < 420) ||
|
|
profile == ENoProfile) {
|
|
commonBuiltins.append(
|
|
"vec4 texture1D(sampler1D, float);"
|
|
|
|
"vec4 texture1DProj(sampler1D, vec2);"
|
|
"vec4 texture1DProj(sampler1D, vec4);"
|
|
|
|
"vec4 shadow1D(sampler1DShadow, vec3);"
|
|
"vec4 shadow2D(sampler2DShadow, vec3);"
|
|
"vec4 shadow1DProj(sampler1DShadow, vec4);"
|
|
"vec4 shadow2DProj(sampler2DShadow, vec4);"
|
|
|
|
"vec4 texture2DRect(sampler2DRect, vec2);" // GL_ARB_texture_rectangle, caught by keyword check
|
|
"vec4 texture2DRectProj(sampler2DRect, vec3);" // GL_ARB_texture_rectangle, caught by keyword check
|
|
"vec4 texture2DRectProj(sampler2DRect, vec4);" // GL_ARB_texture_rectangle, caught by keyword check
|
|
"vec4 shadow2DRect(sampler2DRectShadow, vec3);" // GL_ARB_texture_rectangle, caught by keyword check
|
|
"vec4 shadow2DRectProj(sampler2DRectShadow, vec4);" // GL_ARB_texture_rectangle, caught by keyword check
|
|
|
|
"\n");
|
|
}
|
|
|
|
if (profile == EEsProfile) {
|
|
commonBuiltins.append(
|
|
"vec4 texture2D(samplerExternalOES, vec2 coord);" // GL_OES_EGL_image_external, caught by keyword check
|
|
"vec4 texture2DProj(samplerExternalOES, vec3);" // GL_OES_EGL_image_external, caught by keyword check
|
|
"vec4 texture2DProj(samplerExternalOES, vec4);" // GL_OES_EGL_image_external, caught by keyword check
|
|
"vec4 texture2DGradEXT(sampler2D, vec2, vec2, vec2);" // GL_EXT_shader_texture_lod
|
|
"vec4 texture2DProjGradEXT(sampler2D, vec3, vec2, vec2);" // GL_EXT_shader_texture_lod
|
|
"vec4 texture2DProjGradEXT(sampler2D, vec4, vec2, vec2);" // GL_EXT_shader_texture_lod
|
|
"vec4 textureCubeGradEXT(samplerCube, vec3, vec3, vec3);" // GL_EXT_shader_texture_lod
|
|
|
|
"\n");
|
|
}
|
|
|
|
//
|
|
// Noise functions.
|
|
//
|
|
if (profile != EEsProfile) {
|
|
commonBuiltins.append(
|
|
"float noise1(float x);"
|
|
"float noise1(vec2 x);"
|
|
"float noise1(vec3 x);"
|
|
"float noise1(vec4 x);"
|
|
|
|
"vec2 noise2(float x);"
|
|
"vec2 noise2(vec2 x);"
|
|
"vec2 noise2(vec3 x);"
|
|
"vec2 noise2(vec4 x);"
|
|
|
|
"vec3 noise3(float x);"
|
|
"vec3 noise3(vec2 x);"
|
|
"vec3 noise3(vec3 x);"
|
|
"vec3 noise3(vec4 x);"
|
|
|
|
"vec4 noise4(float x);"
|
|
"vec4 noise4(vec2 x);"
|
|
"vec4 noise4(vec3 x);"
|
|
"vec4 noise4(vec4 x);"
|
|
|
|
"\n");
|
|
}
|
|
|
|
//
|
|
// Atomic counter functions.
|
|
//
|
|
if ((profile != EEsProfile && version >= 300) ||
|
|
(profile == EEsProfile && version >= 310)) {
|
|
commonBuiltins.append(
|
|
"uint atomicCounterIncrement(atomic_uint x);"
|
|
"uint atomicCounterDecrement(atomic_uint x);"
|
|
"uint atomicCounter(atomic_uint x);"
|
|
|
|
"\n");
|
|
}
|
|
|
|
// Bitfield
|
|
if ((profile == EEsProfile && version >= 310) ||
|
|
(profile != EEsProfile && version >= 400)) {
|
|
commonBuiltins.append(
|
|
" uint uaddCarry( uint, uint, out uint carry);"
|
|
"uvec2 uaddCarry(uvec2, uvec2, out uvec2 carry);"
|
|
"uvec3 uaddCarry(uvec3, uvec3, out uvec3 carry);"
|
|
"uvec4 uaddCarry(uvec4, uvec4, out uvec4 carry);"
|
|
|
|
" uint usubBorrow( uint, uint, out uint borrow);"
|
|
"uvec2 usubBorrow(uvec2, uvec2, out uvec2 borrow);"
|
|
"uvec3 usubBorrow(uvec3, uvec3, out uvec3 borrow);"
|
|
"uvec4 usubBorrow(uvec4, uvec4, out uvec4 borrow);"
|
|
|
|
"void umulExtended( uint, uint, out uint, out uint lsb);"
|
|
"void umulExtended(uvec2, uvec2, out uvec2, out uvec2 lsb);"
|
|
"void umulExtended(uvec3, uvec3, out uvec3, out uvec3 lsb);"
|
|
"void umulExtended(uvec4, uvec4, out uvec4, out uvec4 lsb);"
|
|
|
|
"void imulExtended( int, int, out int, out int lsb);"
|
|
"void imulExtended(ivec2, ivec2, out ivec2, out ivec2 lsb);"
|
|
"void imulExtended(ivec3, ivec3, out ivec3, out ivec3 lsb);"
|
|
"void imulExtended(ivec4, ivec4, out ivec4, out ivec4 lsb);"
|
|
|
|
" int bitfieldExtract( int, int, int);"
|
|
"ivec2 bitfieldExtract(ivec2, int, int);"
|
|
"ivec3 bitfieldExtract(ivec3, int, int);"
|
|
"ivec4 bitfieldExtract(ivec4, int, int);"
|
|
|
|
" uint bitfieldExtract( uint, int, int);"
|
|
"uvec2 bitfieldExtract(uvec2, int, int);"
|
|
"uvec3 bitfieldExtract(uvec3, int, int);"
|
|
"uvec4 bitfieldExtract(uvec4, int, int);"
|
|
|
|
" int bitfieldInsert( int base, int, int, int);"
|
|
"ivec2 bitfieldInsert(ivec2 base, ivec2, int, int);"
|
|
"ivec3 bitfieldInsert(ivec3 base, ivec3, int, int);"
|
|
"ivec4 bitfieldInsert(ivec4 base, ivec4, int, int);"
|
|
|
|
" uint bitfieldInsert( uint base, uint, int, int);"
|
|
"uvec2 bitfieldInsert(uvec2 base, uvec2, int, int);"
|
|
"uvec3 bitfieldInsert(uvec3 base, uvec3, int, int);"
|
|
"uvec4 bitfieldInsert(uvec4 base, uvec4, int, int);"
|
|
|
|
" int bitfieldReverse( int);"
|
|
"ivec2 bitfieldReverse(ivec2);"
|
|
"ivec3 bitfieldReverse(ivec3);"
|
|
"ivec4 bitfieldReverse(ivec4);"
|
|
|
|
" uint bitfieldReverse( uint);"
|
|
"uvec2 bitfieldReverse(uvec2);"
|
|
"uvec3 bitfieldReverse(uvec3);"
|
|
"uvec4 bitfieldReverse(uvec4);"
|
|
|
|
" int bitCount( int);"
|
|
"ivec2 bitCount(ivec2);"
|
|
"ivec3 bitCount(ivec3);"
|
|
"ivec4 bitCount(ivec4);"
|
|
|
|
" int bitCount( uint);"
|
|
"ivec2 bitCount(uvec2);"
|
|
"ivec3 bitCount(uvec3);"
|
|
"ivec4 bitCount(uvec4);"
|
|
|
|
" int findLSB( int);"
|
|
"ivec2 findLSB(ivec2);"
|
|
"ivec3 findLSB(ivec3);"
|
|
"ivec4 findLSB(ivec4);"
|
|
|
|
" int findLSB( uint);"
|
|
"ivec2 findLSB(uvec2);"
|
|
"ivec3 findLSB(uvec3);"
|
|
"ivec4 findLSB(uvec4);"
|
|
|
|
" int findMSB( int);"
|
|
"ivec2 findMSB(ivec2);"
|
|
"ivec3 findMSB(ivec3);"
|
|
"ivec4 findMSB(ivec4);"
|
|
|
|
" int findMSB( uint);"
|
|
"ivec2 findMSB(uvec2);"
|
|
"ivec3 findMSB(uvec3);"
|
|
"ivec4 findMSB(uvec4);"
|
|
|
|
"\n");
|
|
}
|
|
|
|
//============================================================================
|
|
//
|
|
// Prototypes for built-in functions seen by vertex shaders only.
|
|
// (Except legacy lod functions, where it depends which release they are
|
|
// vertex only.)
|
|
//
|
|
//============================================================================
|
|
|
|
//
|
|
// Geometric Functions.
|
|
//
|
|
if (IncludeLegacy(version, profile))
|
|
stageBuiltins[EShLangVertex].append("vec4 ftransform();");
|
|
|
|
//
|
|
// Original-style texture Functions with lod.
|
|
//
|
|
TString* s;
|
|
if (version == 100)
|
|
s = &stageBuiltins[EShLangVertex];
|
|
else
|
|
s = &commonBuiltins;
|
|
if ((profile == EEsProfile && version == 100) ||
|
|
profile == ECompatibilityProfile ||
|
|
(profile == ECoreProfile && version < 420) ||
|
|
profile == ENoProfile) {
|
|
s->append(
|
|
"vec4 texture2DLod(sampler2D, vec2, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture2DProjLod(sampler2D, vec3, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture2DProjLod(sampler2D, vec4, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture3DLod(sampler3D, vec3, float);" // GL_ARB_shader_texture_lod // OES_texture_3D, but caught by keyword check
|
|
"vec4 texture3DProjLod(sampler3D, vec4, float);" // GL_ARB_shader_texture_lod // OES_texture_3D, but caught by keyword check
|
|
"vec4 textureCubeLod(samplerCube, vec3, float);" // GL_ARB_shader_texture_lod
|
|
|
|
"\n");
|
|
}
|
|
if ( profile == ECompatibilityProfile ||
|
|
(profile == ECoreProfile && version < 420) ||
|
|
profile == ENoProfile) {
|
|
s->append(
|
|
"vec4 texture1DLod(sampler1D, float, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture1DProjLod(sampler1D, vec2, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture1DProjLod(sampler1D, vec4, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 shadow1DLod(sampler1DShadow, vec3, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 shadow2DLod(sampler2DShadow, vec3, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 shadow1DProjLod(sampler1DShadow, vec4, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 shadow2DProjLod(sampler2DShadow, vec4, float);" // GL_ARB_shader_texture_lod
|
|
|
|
"vec4 texture1DGradARB(sampler1D, float, float, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture1DProjGradARB(sampler1D, vec2, float, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture1DProjGradARB(sampler1D, vec4, float, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture2DGradARB(sampler2D, vec2, vec2, vec2);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture2DProjGradARB(sampler2D, vec3, vec2, vec2);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture2DProjGradARB(sampler2D, vec4, vec2, vec2);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture3DGradARB(sampler3D, vec3, vec3, vec3);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture3DProjGradARB(sampler3D, vec4, vec3, vec3);" // GL_ARB_shader_texture_lod
|
|
"vec4 textureCubeGradARB(samplerCube, vec3, vec3, vec3);" // GL_ARB_shader_texture_lod
|
|
"vec4 shadow1DGradARB(sampler1DShadow, vec3, float, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 shadow1DProjGradARB( sampler1DShadow, vec4, float, float);" // GL_ARB_shader_texture_lod
|
|
"vec4 shadow2DGradARB(sampler2DShadow, vec3, vec2, vec2);" // GL_ARB_shader_texture_lod
|
|
"vec4 shadow2DProjGradARB( sampler2DShadow, vec4, vec2, vec2);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture2DRectGradARB(sampler2DRect, vec2, vec2, vec2);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture2DRectProjGradARB( sampler2DRect, vec3, vec2, vec2);" // GL_ARB_shader_texture_lod
|
|
"vec4 texture2DRectProjGradARB( sampler2DRect, vec4, vec2, vec2);" // GL_ARB_shader_texture_lod
|
|
"vec4 shadow2DRectGradARB( sampler2DRectShadow, vec3, vec2, vec2);" // GL_ARB_shader_texture_lod
|
|
"vec4 shadow2DRectProjGradARB(sampler2DRectShadow, vec4, vec2, vec2);" // GL_ARB_shader_texture_lod
|
|
|
|
"\n");
|
|
}
|
|
|
|
if ((profile != EEsProfile && version >= 150) ||
|
|
(profile == EEsProfile && version >= 310)) {
|
|
//============================================================================
|
|
//
|
|
// Prototypes for built-in functions seen by geometry shaders only.
|
|
//
|
|
//============================================================================
|
|
|
|
if (profile != EEsProfile && version >= 400) {
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"void EmitStreamVertex(int);"
|
|
"void EndStreamPrimitive(int);"
|
|
);
|
|
}
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"void EmitVertex();"
|
|
"void EndPrimitive();"
|
|
"\n");
|
|
}
|
|
|
|
//============================================================================
|
|
//
|
|
// Prototypes for all control functions.
|
|
//
|
|
//============================================================================
|
|
bool esBarrier = (profile == EEsProfile && version >= 310);
|
|
if ((profile != EEsProfile && version >= 150) || esBarrier)
|
|
stageBuiltins[EShLangTessControl].append(
|
|
"void barrier();"
|
|
);
|
|
if ((profile != EEsProfile && version >= 430) || esBarrier)
|
|
stageBuiltins[EShLangCompute].append(
|
|
"void barrier();"
|
|
);
|
|
if ((profile != EEsProfile && version >= 130) || esBarrier)
|
|
commonBuiltins.append(
|
|
"void memoryBarrier();"
|
|
);
|
|
if ((profile != EEsProfile && version >= 430) || esBarrier) {
|
|
commonBuiltins.append(
|
|
"void memoryBarrierAtomicCounter();"
|
|
"void memoryBarrierBuffer();"
|
|
"void memoryBarrierImage();"
|
|
);
|
|
stageBuiltins[EShLangCompute].append(
|
|
"void memoryBarrierShared();"
|
|
"void groupMemoryBarrier();"
|
|
);
|
|
}
|
|
|
|
//============================================================================
|
|
//
|
|
// Prototypes for built-in functions seen by fragment shaders only.
|
|
//
|
|
//============================================================================
|
|
|
|
//
|
|
// Original-style texture Functions with bias.
|
|
//
|
|
if (profile != EEsProfile || version == 100) {
|
|
stageBuiltins[EShLangFragment].append(
|
|
"vec4 texture2D(sampler2D, vec2, float);"
|
|
"vec4 texture2DProj(sampler2D, vec3, float);"
|
|
"vec4 texture2DProj(sampler2D, vec4, float);"
|
|
"vec4 texture3D(sampler3D, vec3, float);" // OES_texture_3D
|
|
"vec4 texture3DProj(sampler3D, vec4, float);" // OES_texture_3D
|
|
"vec4 textureCube(samplerCube, vec3, float);"
|
|
|
|
"\n");
|
|
}
|
|
if (profile != EEsProfile && version > 100) {
|
|
stageBuiltins[EShLangFragment].append(
|
|
"vec4 texture1D(sampler1D, float, float);"
|
|
"vec4 texture1DProj(sampler1D, vec2, float);"
|
|
"vec4 texture1DProj(sampler1D, vec4, float);"
|
|
"vec4 shadow1D(sampler1DShadow, vec3, float);"
|
|
"vec4 shadow2D(sampler2DShadow, vec3, float);"
|
|
"vec4 shadow1DProj(sampler1DShadow, vec4, float);"
|
|
"vec4 shadow2DProj(sampler2DShadow, vec4, float);"
|
|
|
|
"\n");
|
|
}
|
|
if (profile == EEsProfile) {
|
|
stageBuiltins[EShLangFragment].append(
|
|
"vec4 texture2DLodEXT(sampler2D, vec2, float);" // GL_EXT_shader_texture_lod
|
|
"vec4 texture2DProjLodEXT(sampler2D, vec3, float);" // GL_EXT_shader_texture_lod
|
|
"vec4 texture2DProjLodEXT(sampler2D, vec4, float);" // GL_EXT_shader_texture_lod
|
|
"vec4 textureCubeLodEXT(samplerCube, vec3, float);" // GL_EXT_shader_texture_lod
|
|
|
|
"\n");
|
|
}
|
|
|
|
stageBuiltins[EShLangFragment].append(
|
|
"float dFdx(float p);"
|
|
"vec2 dFdx(vec2 p);"
|
|
"vec3 dFdx(vec3 p);"
|
|
"vec4 dFdx(vec4 p);"
|
|
|
|
"float dFdy(float p);"
|
|
"vec2 dFdy(vec2 p);"
|
|
"vec3 dFdy(vec3 p);"
|
|
"vec4 dFdy(vec4 p);"
|
|
|
|
"float fwidth(float p);"
|
|
"vec2 fwidth(vec2 p);"
|
|
"vec3 fwidth(vec3 p);"
|
|
"vec4 fwidth(vec4 p);"
|
|
|
|
"\n");
|
|
|
|
// GL_ARB_derivative_control
|
|
if (profile != EEsProfile && version >= 400) {
|
|
stageBuiltins[EShLangFragment].append(
|
|
"float dFdxFine(float p);"
|
|
"vec2 dFdxFine(vec2 p);"
|
|
"vec3 dFdxFine(vec3 p);"
|
|
"vec4 dFdxFine(vec4 p);"
|
|
|
|
"float dFdyFine(float p);"
|
|
"vec2 dFdyFine(vec2 p);"
|
|
"vec3 dFdyFine(vec3 p);"
|
|
"vec4 dFdyFine(vec4 p);"
|
|
|
|
"float fwidthFine(float p);"
|
|
"vec2 fwidthFine(vec2 p);"
|
|
"vec3 fwidthFine(vec3 p);"
|
|
"vec4 fwidthFine(vec4 p);"
|
|
|
|
"\n");
|
|
|
|
stageBuiltins[EShLangFragment].append(
|
|
"float dFdxCoarse(float p);"
|
|
"vec2 dFdxCoarse(vec2 p);"
|
|
"vec3 dFdxCoarse(vec3 p);"
|
|
"vec4 dFdxCoarse(vec4 p);"
|
|
|
|
"float dFdyCoarse(float p);"
|
|
"vec2 dFdyCoarse(vec2 p);"
|
|
"vec3 dFdyCoarse(vec3 p);"
|
|
"vec4 dFdyCoarse(vec4 p);"
|
|
|
|
"float fwidthCoarse(float p);"
|
|
"vec2 fwidthCoarse(vec2 p);"
|
|
"vec3 fwidthCoarse(vec3 p);"
|
|
"vec4 fwidthCoarse(vec4 p);"
|
|
|
|
"\n");
|
|
}
|
|
|
|
//============================================================================
|
|
//
|
|
// Standard Uniforms
|
|
//
|
|
//============================================================================
|
|
|
|
//
|
|
// Depth range in window coordinates, p. 33
|
|
//
|
|
commonBuiltins.append(
|
|
"struct gl_DepthRangeParameters {"
|
|
);
|
|
if (profile == EEsProfile) {
|
|
commonBuiltins.append(
|
|
"highp float near;" // n
|
|
"highp float far;" // f
|
|
"highp float diff;" // f - n
|
|
);
|
|
} else {
|
|
commonBuiltins.append(
|
|
"float near;" // n
|
|
"float far;" // f
|
|
"float diff;" // f - n
|
|
);
|
|
}
|
|
commonBuiltins.append(
|
|
"};"
|
|
"uniform gl_DepthRangeParameters gl_DepthRange;"
|
|
"\n");
|
|
|
|
if (IncludeLegacy(version, profile)) {
|
|
//
|
|
// Matrix state. p. 31, 32, 37, 39, 40.
|
|
//
|
|
commonBuiltins.append(
|
|
"uniform mat4 gl_ModelViewMatrix;"
|
|
"uniform mat4 gl_ProjectionMatrix;"
|
|
"uniform mat4 gl_ModelViewProjectionMatrix;"
|
|
|
|
//
|
|
// Derived matrix state that provides inverse and transposed versions
|
|
// of the matrices above.
|
|
//
|
|
"uniform mat3 gl_NormalMatrix;"
|
|
|
|
"uniform mat4 gl_ModelViewMatrixInverse;"
|
|
"uniform mat4 gl_ProjectionMatrixInverse;"
|
|
"uniform mat4 gl_ModelViewProjectionMatrixInverse;"
|
|
|
|
"uniform mat4 gl_ModelViewMatrixTranspose;"
|
|
"uniform mat4 gl_ProjectionMatrixTranspose;"
|
|
"uniform mat4 gl_ModelViewProjectionMatrixTranspose;"
|
|
|
|
"uniform mat4 gl_ModelViewMatrixInverseTranspose;"
|
|
"uniform mat4 gl_ProjectionMatrixInverseTranspose;"
|
|
"uniform mat4 gl_ModelViewProjectionMatrixInverseTranspose;"
|
|
|
|
//
|
|
// Normal scaling p. 39.
|
|
//
|
|
"uniform float gl_NormalScale;"
|
|
|
|
//
|
|
// Point Size, p. 66, 67.
|
|
//
|
|
"struct gl_PointParameters {"
|
|
"float size;"
|
|
"float sizeMin;"
|
|
"float sizeMax;"
|
|
"float fadeThresholdSize;"
|
|
"float distanceConstantAttenuation;"
|
|
"float distanceLinearAttenuation;"
|
|
"float distanceQuadraticAttenuation;"
|
|
"};"
|
|
|
|
"uniform gl_PointParameters gl_Point;"
|
|
|
|
//
|
|
// Material State p. 50, 55.
|
|
//
|
|
"struct gl_MaterialParameters {"
|
|
"vec4 emission;" // Ecm
|
|
"vec4 ambient;" // Acm
|
|
"vec4 diffuse;" // Dcm
|
|
"vec4 specular;" // Scm
|
|
"float shininess;" // Srm
|
|
"};"
|
|
"uniform gl_MaterialParameters gl_FrontMaterial;"
|
|
"uniform gl_MaterialParameters gl_BackMaterial;"
|
|
|
|
//
|
|
// Light State p 50, 53, 55.
|
|
//
|
|
"struct gl_LightSourceParameters {"
|
|
"vec4 ambient;" // Acli
|
|
"vec4 diffuse;" // Dcli
|
|
"vec4 specular;" // Scli
|
|
"vec4 position;" // Ppli
|
|
"vec4 halfVector;" // Derived: Hi
|
|
"vec3 spotDirection;" // Sdli
|
|
"float spotExponent;" // Srli
|
|
"float spotCutoff;" // Crli
|
|
// (range: [0.0,90.0], 180.0)
|
|
"float spotCosCutoff;" // Derived: cos(Crli)
|
|
// (range: [1.0,0.0],-1.0)
|
|
"float constantAttenuation;" // K0
|
|
"float linearAttenuation;" // K1
|
|
"float quadraticAttenuation;"// K2
|
|
"};"
|
|
|
|
|
|
"struct gl_LightModelParameters {"
|
|
"vec4 ambient;" // Acs
|
|
"};"
|
|
|
|
"uniform gl_LightModelParameters gl_LightModel;"
|
|
|
|
//
|
|
// Derived state from products of light and material.
|
|
//
|
|
"struct gl_LightModelProducts {"
|
|
"vec4 sceneColor;" // Derived. Ecm + Acm * Acs
|
|
"};"
|
|
|
|
"uniform gl_LightModelProducts gl_FrontLightModelProduct;"
|
|
"uniform gl_LightModelProducts gl_BackLightModelProduct;"
|
|
|
|
"struct gl_LightProducts {"
|
|
"vec4 ambient;" // Acm * Acli
|
|
"vec4 diffuse;" // Dcm * Dcli
|
|
"vec4 specular;" // Scm * Scli
|
|
"};"
|
|
|
|
//
|
|
// Fog p. 161
|
|
//
|
|
"struct gl_FogParameters {"
|
|
"vec4 color;"
|
|
"float density;"
|
|
"float start;"
|
|
"float end;"
|
|
"float scale;" // 1 / (gl_FogEnd - gl_FogStart)
|
|
"};"
|
|
|
|
"uniform gl_FogParameters gl_Fog;"
|
|
|
|
"\n");
|
|
}
|
|
|
|
//============================================================================
|
|
//
|
|
// Define the interface to the compute shader.
|
|
//
|
|
//============================================================================
|
|
|
|
if ((profile != EEsProfile && version >= 430) ||
|
|
(profile == EEsProfile && version >= 310)) {
|
|
stageBuiltins[EShLangCompute].append(
|
|
"in uvec3 gl_NumWorkGroups;"
|
|
"const uvec3 gl_WorkGroupSize = uvec3(1,1,1);"
|
|
|
|
"in uvec3 gl_WorkGroupID;"
|
|
"in uvec3 gl_LocalInvocationID;"
|
|
|
|
"in uvec3 gl_GlobalInvocationID;"
|
|
"in uint gl_LocalInvocationIndex;"
|
|
|
|
"\n");
|
|
}
|
|
|
|
//============================================================================
|
|
//
|
|
// Define the interface to the vertex shader.
|
|
//
|
|
//============================================================================
|
|
|
|
if (profile != EEsProfile) {
|
|
if (version < 130) {
|
|
stageBuiltins[EShLangVertex].append(
|
|
"attribute vec4 gl_Color;"
|
|
"attribute vec4 gl_SecondaryColor;"
|
|
"attribute vec3 gl_Normal;"
|
|
"attribute vec4 gl_Vertex;"
|
|
"attribute vec4 gl_MultiTexCoord0;"
|
|
"attribute vec4 gl_MultiTexCoord1;"
|
|
"attribute vec4 gl_MultiTexCoord2;"
|
|
"attribute vec4 gl_MultiTexCoord3;"
|
|
"attribute vec4 gl_MultiTexCoord4;"
|
|
"attribute vec4 gl_MultiTexCoord5;"
|
|
"attribute vec4 gl_MultiTexCoord6;"
|
|
"attribute vec4 gl_MultiTexCoord7;"
|
|
"attribute float gl_FogCoord;"
|
|
"\n");
|
|
} else if (IncludeLegacy(version, profile)) {
|
|
stageBuiltins[EShLangVertex].append(
|
|
"in vec4 gl_Color;"
|
|
"in vec4 gl_SecondaryColor;"
|
|
"in vec3 gl_Normal;"
|
|
"in vec4 gl_Vertex;"
|
|
"in vec4 gl_MultiTexCoord0;"
|
|
"in vec4 gl_MultiTexCoord1;"
|
|
"in vec4 gl_MultiTexCoord2;"
|
|
"in vec4 gl_MultiTexCoord3;"
|
|
"in vec4 gl_MultiTexCoord4;"
|
|
"in vec4 gl_MultiTexCoord5;"
|
|
"in vec4 gl_MultiTexCoord6;"
|
|
"in vec4 gl_MultiTexCoord7;"
|
|
"in float gl_FogCoord;"
|
|
"\n");
|
|
}
|
|
|
|
if (version < 150) {
|
|
if (version < 130) {
|
|
stageBuiltins[EShLangVertex].append(
|
|
" vec4 gl_ClipVertex;" // needs qualifier fixed later
|
|
"varying vec4 gl_FrontColor;"
|
|
"varying vec4 gl_BackColor;"
|
|
"varying vec4 gl_FrontSecondaryColor;"
|
|
"varying vec4 gl_BackSecondaryColor;"
|
|
"varying vec4 gl_TexCoord[];"
|
|
"varying float gl_FogFragCoord;"
|
|
"\n");
|
|
} else if (IncludeLegacy(version, profile)) {
|
|
stageBuiltins[EShLangVertex].append(
|
|
" vec4 gl_ClipVertex;" // needs qualifier fixed later
|
|
"out vec4 gl_FrontColor;"
|
|
"out vec4 gl_BackColor;"
|
|
"out vec4 gl_FrontSecondaryColor;"
|
|
"out vec4 gl_BackSecondaryColor;"
|
|
"out vec4 gl_TexCoord[];"
|
|
"out float gl_FogFragCoord;"
|
|
"\n");
|
|
}
|
|
stageBuiltins[EShLangVertex].append(
|
|
"vec4 gl_Position;" // needs qualifier fixed later
|
|
"float gl_PointSize;" // needs qualifier fixed later
|
|
);
|
|
|
|
if (version == 130 || version == 140)
|
|
stageBuiltins[EShLangVertex].append(
|
|
"out float gl_ClipDistance[];"
|
|
);
|
|
} else {
|
|
// version >= 150
|
|
stageBuiltins[EShLangVertex].append(
|
|
"out gl_PerVertex {"
|
|
"vec4 gl_Position;" // needs qualifier fixed later
|
|
"float gl_PointSize;" // needs qualifier fixed later
|
|
"float gl_ClipDistance[];"
|
|
);
|
|
if (IncludeLegacy(version, profile))
|
|
stageBuiltins[EShLangVertex].append(
|
|
"vec4 gl_ClipVertex;" // needs qualifier fixed later
|
|
"vec4 gl_FrontColor;"
|
|
"vec4 gl_BackColor;"
|
|
"vec4 gl_FrontSecondaryColor;"
|
|
"vec4 gl_BackSecondaryColor;"
|
|
"vec4 gl_TexCoord[];"
|
|
"float gl_FogFragCoord;"
|
|
);
|
|
if (version >= 450)
|
|
stageBuiltins[EShLangVertex].append(
|
|
"float gl_CullDistance[];"
|
|
);
|
|
stageBuiltins[EShLangVertex].append(
|
|
"};"
|
|
"\n");
|
|
}
|
|
if (version >= 130)
|
|
stageBuiltins[EShLangVertex].append(
|
|
"int gl_VertexID;" // needs qualifier fixed later
|
|
);
|
|
if (version >= 140)
|
|
stageBuiltins[EShLangVertex].append(
|
|
"int gl_InstanceID;" // needs qualifier fixed later
|
|
);
|
|
} else {
|
|
// ES profile
|
|
if (version == 100) {
|
|
stageBuiltins[EShLangVertex].append(
|
|
"highp vec4 gl_Position;" // needs qualifier fixed later
|
|
"mediump float gl_PointSize;" // needs qualifier fixed later
|
|
);
|
|
} else {
|
|
stageBuiltins[EShLangVertex].append(
|
|
"highp int gl_VertexID;" // needs qualifier fixed later
|
|
"highp int gl_InstanceID;" // needs qualifier fixed later
|
|
);
|
|
if (version < 310)
|
|
stageBuiltins[EShLangVertex].append(
|
|
"highp vec4 gl_Position;" // needs qualifier fixed later
|
|
"highp float gl_PointSize;" // needs qualifier fixed later
|
|
);
|
|
else
|
|
stageBuiltins[EShLangVertex].append(
|
|
"out gl_PerVertex {"
|
|
"highp vec4 gl_Position;" // needs qualifier fixed later
|
|
"highp float gl_PointSize;" // needs qualifier fixed later
|
|
"};"
|
|
);
|
|
}
|
|
}
|
|
|
|
//============================================================================
|
|
//
|
|
// Define the interface to the geometry shader.
|
|
//
|
|
//============================================================================
|
|
|
|
if (profile == ECoreProfile || profile == ECompatibilityProfile) {
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"in gl_PerVertex {"
|
|
"vec4 gl_Position;"
|
|
"float gl_PointSize;"
|
|
"float gl_ClipDistance[];"
|
|
);
|
|
if (profile == ECompatibilityProfile)
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"vec4 gl_ClipVertex;"
|
|
"vec4 gl_FrontColor;"
|
|
"vec4 gl_BackColor;"
|
|
"vec4 gl_FrontSecondaryColor;"
|
|
"vec4 gl_BackSecondaryColor;"
|
|
"vec4 gl_TexCoord[];"
|
|
"float gl_FogFragCoord;"
|
|
);
|
|
if (version >= 450)
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"float gl_CullDistance[];"
|
|
);
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"} gl_in[];"
|
|
|
|
"in int gl_PrimitiveIDIn;"
|
|
"out gl_PerVertex {"
|
|
"vec4 gl_Position;"
|
|
"float gl_PointSize;"
|
|
"float gl_ClipDistance[];"
|
|
"\n");
|
|
if (profile == ECompatibilityProfile && version >= 400)
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"vec4 gl_ClipVertex;"
|
|
"vec4 gl_FrontColor;"
|
|
"vec4 gl_BackColor;"
|
|
"vec4 gl_FrontSecondaryColor;"
|
|
"vec4 gl_BackSecondaryColor;"
|
|
"vec4 gl_TexCoord[];"
|
|
"float gl_FogFragCoord;"
|
|
);
|
|
if (version >= 450)
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"float gl_CullDistance[];"
|
|
);
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"};"
|
|
|
|
"out int gl_PrimitiveID;"
|
|
"out int gl_Layer;");
|
|
|
|
if (profile == ECompatibilityProfile && version < 400)
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"out vec4 gl_ClipVertex;"
|
|
);
|
|
|
|
if (version >= 400)
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"in int gl_InvocationID;"
|
|
);
|
|
// GL_ARB_viewport_array
|
|
if (version >= 150)
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"out int gl_ViewportIndex;"
|
|
);
|
|
stageBuiltins[EShLangGeometry].append("\n");
|
|
} else if (profile == EEsProfile && version >= 310) {
|
|
stageBuiltins[EShLangGeometry].append(
|
|
"in gl_PerVertex {"
|
|
"highp vec4 gl_Position;"
|
|
"highp float gl_PointSize;"
|
|
"} gl_in[];"
|
|
"\n"
|
|
"in highp int gl_PrimitiveIDIn;"
|
|
"in highp int gl_InvocationID;"
|
|
"\n"
|
|
"out gl_PerVertex {"
|
|
"vec4 gl_Position;"
|
|
"float gl_PointSize;"
|
|
"};"
|
|
"\n"
|
|
"out int gl_PrimitiveID;"
|
|
"out int gl_Layer;"
|
|
"\n"
|
|
);
|
|
}
|
|
|
|
|
|
//============================================================================
|
|
//
|
|
// Define the interface to the tessellation control shader.
|
|
//
|
|
//============================================================================
|
|
|
|
if (profile != EEsProfile && version >= 150) {
|
|
// Note: "in gl_PerVertex {...} gl_in[gl_MaxPatchVertices];" is declared in initialize() below,
|
|
// as it depends on the resource sizing of gl_MaxPatchVertices.
|
|
|
|
stageBuiltins[EShLangTessControl].append(
|
|
"in int gl_PatchVerticesIn;"
|
|
"in int gl_PrimitiveID;"
|
|
"in int gl_InvocationID;"
|
|
|
|
"out gl_PerVertex {"
|
|
"vec4 gl_Position;"
|
|
"float gl_PointSize;"
|
|
"float gl_ClipDistance[];"
|
|
);
|
|
if (profile == ECompatibilityProfile)
|
|
stageBuiltins[EShLangTessControl].append(
|
|
"vec4 gl_ClipVertex;"
|
|
"vec4 gl_FrontColor;"
|
|
"vec4 gl_BackColor;"
|
|
"vec4 gl_FrontSecondaryColor;"
|
|
"vec4 gl_BackSecondaryColor;"
|
|
"vec4 gl_TexCoord[];"
|
|
"float gl_FogFragCoord;"
|
|
);
|
|
if (version >= 450)
|
|
stageBuiltins[EShLangTessControl].append(
|
|
"float gl_CullDistance[];"
|
|
);
|
|
stageBuiltins[EShLangTessControl].append(
|
|
"} gl_out[];"
|
|
|
|
"patch out float gl_TessLevelOuter[4];"
|
|
"patch out float gl_TessLevelInner[2];"
|
|
"\n");
|
|
} else {
|
|
// Note: "in gl_PerVertex {...} gl_in[gl_MaxPatchVertices];" is declared in initialize() below,
|
|
// as it depends on the resource sizing of gl_MaxPatchVertices.
|
|
|
|
stageBuiltins[EShLangTessControl].append(
|
|
"in highp int gl_PatchVerticesIn;"
|
|
"in highp int gl_PrimitiveID;"
|
|
"in highp int gl_InvocationID;"
|
|
|
|
"out gl_PerVertex {"
|
|
"highp vec4 gl_Position;"
|
|
"highp float gl_PointSize;"
|
|
);
|
|
stageBuiltins[EShLangTessControl].append(
|
|
"} gl_out[];"
|
|
|
|
"patch out highp float gl_TessLevelOuter[4];"
|
|
"patch out highp float gl_TessLevelInner[2];"
|
|
"\n");
|
|
}
|
|
|
|
//============================================================================
|
|
//
|
|
// Define the interface to the tessellation evaluation shader.
|
|
//
|
|
//============================================================================
|
|
|
|
if (profile != EEsProfile && version >= 150) {
|
|
// Note: "in gl_PerVertex {...} gl_in[gl_MaxPatchVertices];" is declared in initialize() below,
|
|
// as it depends on the resource sizing of gl_MaxPatchVertices.
|
|
|
|
stageBuiltins[EShLangTessEvaluation].append(
|
|
"in int gl_PatchVerticesIn;"
|
|
"in int gl_PrimitiveID;"
|
|
"in vec3 gl_TessCoord;"
|
|
|
|
"patch in float gl_TessLevelOuter[4];"
|
|
"patch in float gl_TessLevelInner[2];"
|
|
|
|
"out gl_PerVertex {"
|
|
"vec4 gl_Position;"
|
|
"float gl_PointSize;"
|
|
"float gl_ClipDistance[];"
|
|
);
|
|
if (version >= 400 && profile == ECompatibilityProfile)
|
|
stageBuiltins[EShLangTessEvaluation].append(
|
|
"vec4 gl_ClipVertex;"
|
|
"vec4 gl_FrontColor;"
|
|
"vec4 gl_BackColor;"
|
|
"vec4 gl_FrontSecondaryColor;"
|
|
"vec4 gl_BackSecondaryColor;"
|
|
"vec4 gl_TexCoord[];"
|
|
"float gl_FogFragCoord;"
|
|
);
|
|
if (version >= 450)
|
|
stageBuiltins[EShLangTessEvaluation].append(
|
|
"float gl_CullDistance[];"
|
|
);
|
|
stageBuiltins[EShLangTessEvaluation].append(
|
|
"};"
|
|
"\n");
|
|
} else if (profile == EEsProfile && version >= 310) {
|
|
// Note: "in gl_PerVertex {...} gl_in[gl_MaxPatchVertices];" is declared in initialize() below,
|
|
// as it depends on the resource sizing of gl_MaxPatchVertices.
|
|
|
|
stageBuiltins[EShLangTessEvaluation].append(
|
|
"in highp int gl_PatchVerticesIn;"
|
|
"in highp int gl_PrimitiveID;"
|
|
"in highp vec3 gl_TessCoord;"
|
|
|
|
"patch in highp float gl_TessLevelOuter[4];"
|
|
"patch in highp float gl_TessLevelInner[2];"
|
|
|
|
"out gl_PerVertex {"
|
|
"vec4 gl_Position;"
|
|
"float gl_PointSize;"
|
|
);
|
|
stageBuiltins[EShLangTessEvaluation].append(
|
|
"};"
|
|
"\n");
|
|
}
|
|
|
|
//============================================================================
|
|
//
|
|
// Define the interface to the fragment shader.
|
|
//
|
|
//============================================================================
|
|
|
|
if (profile != EEsProfile) {
|
|
|
|
stageBuiltins[EShLangFragment].append(
|
|
"vec4 gl_FragCoord;" // needs qualifier fixed later
|
|
"bool gl_FrontFacing;" // needs qualifier fixed later
|
|
"float gl_FragDepth;" // needs qualifier fixed later
|
|
);
|
|
if (version >= 120)
|
|
stageBuiltins[EShLangFragment].append(
|
|
"vec2 gl_PointCoord;" // needs qualifier fixed later
|
|
);
|
|
if (IncludeLegacy(version, profile) || (! ForwardCompatibility && version < 420))
|
|
stageBuiltins[EShLangFragment].append(
|
|
"vec4 gl_FragColor;" // needs qualifier fixed later
|
|
);
|
|
|
|
if (version < 130) {
|
|
stageBuiltins[EShLangFragment].append(
|
|
"varying vec4 gl_Color;"
|
|
"varying vec4 gl_SecondaryColor;"
|
|
"varying vec4 gl_TexCoord[];"
|
|
"varying float gl_FogFragCoord;"
|
|
);
|
|
} else {
|
|
stageBuiltins[EShLangFragment].append(
|
|
"in float gl_ClipDistance[];"
|
|
);
|
|
|
|
if (IncludeLegacy(version, profile)) {
|
|
if (version < 150)
|
|
stageBuiltins[EShLangFragment].append(
|
|
"in float gl_FogFragCoord;"
|
|
"in vec4 gl_TexCoord[];"
|
|
"in vec4 gl_Color;"
|
|
"in vec4 gl_SecondaryColor;"
|
|
);
|
|
else
|
|
stageBuiltins[EShLangFragment].append(
|
|
"in gl_PerFragment {"
|
|
"in float gl_FogFragCoord;"
|
|
"in vec4 gl_TexCoord[];"
|
|
"in vec4 gl_Color;"
|
|
"in vec4 gl_SecondaryColor;"
|
|
"};"
|
|
);
|
|
}
|
|
}
|
|
|
|
if (version >= 150)
|
|
stageBuiltins[EShLangFragment].append(
|
|
"flat in int gl_PrimitiveID;"
|
|
);
|
|
|
|
if (version >= 400)
|
|
stageBuiltins[EShLangFragment].append(
|
|
"flat in int gl_SampleID;"
|
|
" in vec2 gl_SamplePosition;"
|
|
"flat in int gl_SampleMaskIn[];"
|
|
" out int gl_SampleMask[];"
|
|
);
|
|
|
|
if (version >= 430)
|
|
stageBuiltins[EShLangFragment].append(
|
|
"flat in int gl_Layer;"
|
|
"flat in int gl_ViewportIndex;"
|
|
);
|
|
|
|
if (version >= 450)
|
|
stageBuiltins[EShLangFragment].append(
|
|
"in float gl_CullDistance[];"
|
|
"bool gl_HelperInvocation;" // needs qualifier fixed later
|
|
);
|
|
} else {
|
|
// ES profile
|
|
|
|
if (version == 100)
|
|
stageBuiltins[EShLangFragment].append(
|
|
"mediump vec4 gl_FragCoord;" // needs qualifier fixed later
|
|
" bool gl_FrontFacing;" // needs qualifier fixed later
|
|
"mediump vec4 gl_FragColor;" // needs qualifier fixed later
|
|
"mediump vec2 gl_PointCoord;" // needs qualifier fixed later
|
|
);
|
|
else if (version >= 300) {
|
|
stageBuiltins[EShLangFragment].append(
|
|
"highp vec4 gl_FragCoord;" // needs qualifier fixed later
|
|
" bool gl_FrontFacing;" // needs qualifier fixed later
|
|
"mediump vec2 gl_PointCoord;" // needs qualifier fixed later
|
|
"highp float gl_FragDepth;" // needs qualifier fixed later
|
|
);
|
|
if (version >= 310)
|
|
stageBuiltins[EShLangFragment].append(
|
|
"bool gl_HelperInvocation;" // needs qualifier fixed later
|
|
"flat in highp int gl_PrimitiveID;" // needs qualifier fixed later
|
|
"flat in highp int gl_Layer;" // needs qualifier fixed later
|
|
);
|
|
}
|
|
stageBuiltins[EShLangFragment].append(
|
|
"highp float gl_FragDepthEXT;" // GL_EXT_frag_depth
|
|
);
|
|
}
|
|
stageBuiltins[EShLangFragment].append("\n");
|
|
|
|
if (version >= 130)
|
|
add2ndGenerationSamplingImaging(version, profile);
|
|
|
|
// printf("%s\n", commonBuiltins.c_str());
|
|
}
|
|
|
|
//
|
|
// Helper function for initialize(), to add the second set of names for texturing,
|
|
// when adding context-independent built-in functions.
|
|
//
|
|
void TBuiltIns::add2ndGenerationSamplingImaging(int version, EProfile profile)
|
|
{
|
|
//
|
|
// In this function proper, enumerate the types, then calls the next set of functions
|
|
// to enumerate all the uses for that type.
|
|
//
|
|
|
|
TBasicType bTypes[3] = { EbtFloat, EbtInt, EbtUint };
|
|
|
|
// enumerate all the types
|
|
for (int image = 0; image <= 1; ++image) { // loop over "bool" image vs sampler
|
|
|
|
for (int shadow = 0; shadow <= 1; ++shadow) { // loop over "bool" shadow or not
|
|
for (int ms = 0; ms <=1; ++ms) {
|
|
|
|
if ((ms || image) && shadow)
|
|
continue;
|
|
if (ms && profile != EEsProfile && version < 150)
|
|
continue;
|
|
if (ms && image && profile == EEsProfile)
|
|
continue;
|
|
if (ms && profile == EEsProfile && version < 310)
|
|
continue;
|
|
|
|
for (int arrayed = 0; arrayed <= 1; ++arrayed) { // loop over "bool" arrayed or not
|
|
for (int dim = Esd1D; dim < EsdNumDims; ++dim) { // 1D, 2D, ..., buffer
|
|
|
|
if ((dim == Esd1D || dim == EsdRect) && profile == EEsProfile)
|
|
continue;
|
|
if (dim != Esd2D && ms)
|
|
continue;
|
|
if ((dim == Esd3D || dim == EsdRect) && arrayed)
|
|
continue;
|
|
if (dim == Esd3D && shadow)
|
|
continue;
|
|
if (dim == EsdCube && arrayed && (profile == EEsProfile || version < 130))
|
|
continue;
|
|
if (dim == EsdBuffer && (profile == EEsProfile || version < 140))
|
|
continue;
|
|
if (dim == EsdBuffer && (shadow || arrayed || ms))
|
|
continue;
|
|
if (ms && arrayed && profile == EEsProfile)
|
|
continue;
|
|
|
|
for (int bType = 0; bType < 3; ++bType) { // float, int, uint results
|
|
|
|
if (shadow && bType > 0)
|
|
continue;
|
|
|
|
if (dim == EsdRect && version < 140 && bType > 0)
|
|
continue;
|
|
|
|
//
|
|
// Now, make all the function prototypes for the type we just built...
|
|
//
|
|
|
|
TSampler sampler;
|
|
sampler.set(bTypes[bType], (TSamplerDim)dim, arrayed ? true : false,
|
|
shadow ? true : false,
|
|
ms ? true : false);
|
|
if (image)
|
|
sampler.image = true;
|
|
|
|
TString typeName = sampler.getString();
|
|
|
|
addQueryFunctions(sampler, typeName, version, profile);
|
|
|
|
if (image)
|
|
addImageFunctions(sampler, typeName, version, profile);
|
|
else {
|
|
addSamplingFunctions(sampler, typeName, version, profile);
|
|
addGatherFunctions(sampler, typeName, version, profile);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Helper function for add2ndGenerationSamplingImaging(),
|
|
// when adding context-independent built-in functions.
|
|
//
|
|
// Add all the query functions for the given type.
|
|
//
|
|
void TBuiltIns::addQueryFunctions(TSampler sampler, TString& typeName, int version, EProfile profile)
|
|
{
|
|
//
|
|
// textureSize
|
|
//
|
|
|
|
if (sampler.image && ((profile == EEsProfile && version < 310) || (profile != EEsProfile && version < 430)))
|
|
return;
|
|
|
|
if (profile == EEsProfile)
|
|
commonBuiltins.append("highp ");
|
|
int dims = dimMap[sampler.dim] + (sampler.arrayed ? 1 : 0) - (sampler.dim == EsdCube ? 1 : 0);
|
|
if (dims == 1)
|
|
commonBuiltins.append("int");
|
|
else {
|
|
commonBuiltins.append("ivec");
|
|
commonBuiltins.append(postfixes[dims]);
|
|
}
|
|
if (sampler.image)
|
|
commonBuiltins.append(" imageSize(readonly writeonly volatile coherent ");
|
|
else
|
|
commonBuiltins.append(" textureSize(");
|
|
commonBuiltins.append(typeName);
|
|
if (! sampler.image && sampler.dim != EsdRect && sampler.dim != EsdBuffer && ! sampler.ms)
|
|
commonBuiltins.append(",int);\n");
|
|
else
|
|
commonBuiltins.append(");\n");
|
|
|
|
// GL_ARB_shader_texture_image_samples
|
|
// TODO: spec issue? there are no memory qualifiers; how to query a writeonly/readonly image, etc?
|
|
if (profile != EEsProfile && version >= 430 && sampler.ms) {
|
|
commonBuiltins.append("int ");
|
|
if (sampler.image)
|
|
commonBuiltins.append("imageSamples(readonly writeonly volatile coherent ");
|
|
else
|
|
commonBuiltins.append("textureSamples(");
|
|
commonBuiltins.append(typeName);
|
|
commonBuiltins.append(");\n");
|
|
}
|
|
}
|
|
|
|
//
|
|
// Helper function for add2ndGenerationSamplingImaging(),
|
|
// when adding context-independent built-in functions.
|
|
//
|
|
// Add all the image access functions for the given type.
|
|
//
|
|
void TBuiltIns::addImageFunctions(TSampler sampler, TString& typeName, int version, EProfile profile)
|
|
{
|
|
int dims = dimMap[sampler.dim] + (sampler.arrayed ? 1 : 0);
|
|
TString imageParams = typeName;
|
|
if (dims == 1)
|
|
imageParams.append(", int");
|
|
else {
|
|
imageParams.append(", ivec");
|
|
imageParams.append(postfixes[dims]);
|
|
}
|
|
if (sampler.ms)
|
|
imageParams.append(", int");
|
|
|
|
commonBuiltins.append(prefixes[sampler.type]);
|
|
commonBuiltins.append("vec4 imageLoad(readonly volatile coherent ");
|
|
commonBuiltins.append(imageParams);
|
|
commonBuiltins.append(");\n");
|
|
|
|
commonBuiltins.append("void imageStore(writeonly volatile coherent ");
|
|
commonBuiltins.append(imageParams);
|
|
commonBuiltins.append(", ");
|
|
commonBuiltins.append(prefixes[sampler.type]);
|
|
commonBuiltins.append("vec4);\n");
|
|
|
|
if (profile != EEsProfile) {
|
|
if (sampler.type == EbtInt || sampler.type == EbtUint) {
|
|
const char* dataType = sampler.type == EbtInt ? "int" : "uint";
|
|
|
|
const int numBuiltins = 7;
|
|
|
|
static const char* atomicFunc[numBuiltins] = {
|
|
" imageAtomicAdd(volatile coherent ",
|
|
" imageAtomicMin(volatile coherent ",
|
|
" imageAtomicMax(volatile coherent ",
|
|
" imageAtomicAnd(volatile coherent ",
|
|
" imageAtomicOr(volatile coherent ",
|
|
" imageAtomicXor(volatile coherent ",
|
|
" imageAtomicExchange(volatile coherent "
|
|
};
|
|
|
|
for (size_t i = 0; i < numBuiltins; ++i) {
|
|
commonBuiltins.append(dataType);
|
|
commonBuiltins.append(atomicFunc[i]);
|
|
commonBuiltins.append(imageParams);
|
|
commonBuiltins.append(", ");
|
|
commonBuiltins.append(dataType);
|
|
commonBuiltins.append(");\n");
|
|
}
|
|
|
|
commonBuiltins.append(dataType);
|
|
commonBuiltins.append(" imageAtomicCompSwap(volatile coherent ");
|
|
commonBuiltins.append(imageParams);
|
|
commonBuiltins.append(", ");
|
|
commonBuiltins.append(dataType);
|
|
commonBuiltins.append(", ");
|
|
commonBuiltins.append(dataType);
|
|
commonBuiltins.append(");\n");
|
|
} else {
|
|
// not int or uint
|
|
// GL_ARB_ES3_1_compatibility
|
|
// TODO: spec issue: are there restrictions on the kind of layout() that can be used? what about dropping memory qualifiers?
|
|
if (version >= 450) {
|
|
commonBuiltins.append("float imageAtomicExchange(volatile coherent ");
|
|
commonBuiltins.append(imageParams);
|
|
commonBuiltins.append(", float);\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Helper function for add2ndGenerationSamplingImaging(),
|
|
// when adding context-independent built-in functions.
|
|
//
|
|
// Add all the texture lookup functions for the given type.
|
|
//
|
|
void TBuiltIns::addSamplingFunctions(TSampler sampler, TString& typeName, int /*version*/, EProfile /*profile*/)
|
|
{
|
|
//
|
|
// texturing
|
|
//
|
|
for (int proj = 0; proj <= 1; ++proj) { // loop over "bool" projective or not
|
|
|
|
if (proj && (sampler.dim == EsdCube || sampler.dim == EsdBuffer || sampler.arrayed || sampler.ms))
|
|
continue;
|
|
|
|
for (int lod = 0; lod <= 1; ++lod) {
|
|
|
|
if (lod && (sampler.dim == EsdBuffer || sampler.dim == EsdRect || sampler.ms))
|
|
continue;
|
|
if (lod && sampler.dim == Esd2D && sampler.arrayed && sampler.shadow)
|
|
continue;
|
|
if (lod && sampler.dim == EsdCube && sampler.shadow)
|
|
continue;
|
|
|
|
for (int bias = 0; bias <= 1; ++bias) {
|
|
|
|
if (bias && (lod || sampler.ms))
|
|
continue;
|
|
if (bias && sampler.dim == Esd2D && sampler.shadow && sampler.arrayed)
|
|
continue;
|
|
if (bias && (sampler.dim == EsdRect || sampler.dim == EsdBuffer))
|
|
continue;
|
|
|
|
for (int offset = 0; offset <= 1; ++offset) { // loop over "bool" offset or not
|
|
|
|
if (proj + offset + bias + lod > 3)
|
|
continue;
|
|
if (offset && (sampler.dim == EsdCube || sampler.dim == EsdBuffer || sampler.ms))
|
|
continue;
|
|
|
|
for (int fetch = 0; fetch <= 1; ++fetch) { // loop over "bool" fetch or not
|
|
|
|
if (proj + offset + fetch + bias + lod > 3)
|
|
continue;
|
|
if (fetch && (lod || bias))
|
|
continue;
|
|
if (fetch && (sampler.shadow || sampler.dim == EsdCube))
|
|
continue;
|
|
if (fetch == 0 && (sampler.ms || sampler.dim == EsdBuffer))
|
|
continue;
|
|
|
|
for (int grad = 0; grad <= 1; ++grad) { // loop over "bool" grad or not
|
|
|
|
if (grad && (lod || bias || sampler.ms))
|
|
continue;
|
|
if (grad && sampler.dim == EsdBuffer)
|
|
continue;
|
|
if (proj + offset + fetch + grad + bias + lod > 3)
|
|
continue;
|
|
|
|
for (int extraProj = 0; extraProj <= 1; ++extraProj) {
|
|
bool compare = false;
|
|
int totalDims = dimMap[sampler.dim] + (sampler.arrayed ? 1 : 0);
|
|
// skip dummy unused second component for 1D non-array shadows
|
|
if (sampler.shadow && totalDims < 2)
|
|
totalDims = 2;
|
|
totalDims += (sampler.shadow ? 1 : 0) + proj;
|
|
if (totalDims > 4 && sampler.shadow) {
|
|
compare = true;
|
|
totalDims = 4;
|
|
}
|
|
assert(totalDims <= 4);
|
|
|
|
if (extraProj && ! proj)
|
|
continue;
|
|
if (extraProj && (sampler.dim == Esd3D || sampler.shadow))
|
|
continue;
|
|
|
|
TString s;
|
|
|
|
// return type
|
|
if (sampler.shadow)
|
|
s.append("float ");
|
|
else {
|
|
s.append(prefixes[sampler.type]);
|
|
s.append("vec4 ");
|
|
}
|
|
|
|
// name
|
|
if (fetch)
|
|
s.append("texel");
|
|
else
|
|
s.append("texture");
|
|
if (proj)
|
|
s.append("Proj");
|
|
if (lod)
|
|
s.append("Lod");
|
|
if (grad)
|
|
s.append("Grad");
|
|
if (fetch)
|
|
s.append("Fetch");
|
|
if (offset)
|
|
s.append("Offset");
|
|
s.append("(");
|
|
|
|
// sampler type
|
|
s.append(typeName);
|
|
|
|
// P coordinate
|
|
if (extraProj)
|
|
s.append(",vec4");
|
|
else {
|
|
s.append(",");
|
|
TBasicType t = fetch ? EbtInt : EbtFloat;
|
|
if (totalDims == 1)
|
|
s.append(TType::getBasicString(t));
|
|
else {
|
|
s.append(prefixes[t]);
|
|
s.append("vec");
|
|
s.append(postfixes[totalDims]);
|
|
}
|
|
}
|
|
|
|
if (bias && compare)
|
|
continue;
|
|
|
|
// non-optional lod argument (lod that's not driven by lod loop)
|
|
if (fetch && sampler.dim != EsdBuffer && sampler.dim != EsdRect && !sampler.ms)
|
|
s.append(",int");
|
|
|
|
// non-optional lod
|
|
if (lod)
|
|
s.append(",float");
|
|
|
|
// gradient arguments
|
|
if (grad) {
|
|
if (dimMap[sampler.dim] == 1)
|
|
s.append(",float,float");
|
|
else {
|
|
s.append(",vec");
|
|
s.append(postfixes[dimMap[sampler.dim]]);
|
|
s.append(",vec");
|
|
s.append(postfixes[dimMap[sampler.dim]]);
|
|
}
|
|
}
|
|
|
|
// offset
|
|
if (offset) {
|
|
if (dimMap[sampler.dim] == 1)
|
|
s.append(",int");
|
|
else {
|
|
s.append(",ivec");
|
|
s.append(postfixes[dimMap[sampler.dim]]);
|
|
}
|
|
}
|
|
|
|
// optional bias or non-optional compare
|
|
if (bias || compare)
|
|
s.append(",float");
|
|
|
|
s.append(");\n");
|
|
|
|
// Add to the per-language set of built-ins
|
|
|
|
if (bias)
|
|
stageBuiltins[EShLangFragment].append(s);
|
|
else
|
|
commonBuiltins.append(s);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// Helper function for add2ndGenerationSamplingImaging(),
|
|
// when adding context-independent built-in functions.
|
|
//
|
|
// Add all the texture gather functions for the given type.
|
|
//
|
|
void TBuiltIns::addGatherFunctions(TSampler sampler, TString& typeName, int version, EProfile /* profile */)
|
|
{
|
|
switch (sampler.dim) {
|
|
case Esd2D:
|
|
case EsdRect:
|
|
case EsdCube:
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
if (sampler.ms)
|
|
return;
|
|
|
|
if (version < 140 && sampler.dim == EsdRect && sampler.type != EbtFloat)
|
|
return;
|
|
|
|
for (int offset = 0; offset < 3; ++offset) { // loop over three forms of offset in the call name: none, Offset, and Offsets
|
|
|
|
for (int comp = 0; comp < 2; ++comp) { // loop over presence of comp argument
|
|
|
|
if (comp > 0 && sampler.shadow)
|
|
continue;
|
|
|
|
if (offset > 0 && sampler.dim == EsdCube)
|
|
continue;
|
|
|
|
TString s;
|
|
|
|
// return type
|
|
s.append(prefixes[sampler.type]);
|
|
s.append("vec4 ");
|
|
|
|
// name
|
|
s.append("textureGather");
|
|
switch (offset) {
|
|
case 1:
|
|
s.append("Offset");
|
|
break;
|
|
case 2:
|
|
s.append("Offsets");
|
|
default:
|
|
break;
|
|
}
|
|
s.append("(");
|
|
|
|
// sampler type argument
|
|
s.append(typeName);
|
|
|
|
// P coordinate argument
|
|
s.append(",vec");
|
|
int totalDims = dimMap[sampler.dim] + (sampler.arrayed ? 1 : 0);
|
|
s.append(postfixes[totalDims]);
|
|
|
|
// refZ argument
|
|
if (sampler.shadow)
|
|
s.append(",float");
|
|
|
|
// offset argument
|
|
if (offset > 0) {
|
|
s.append(",ivec2");
|
|
if (offset == 2)
|
|
s.append("[4]");
|
|
}
|
|
|
|
// comp argument
|
|
if (comp)
|
|
s.append(",int");
|
|
|
|
s.append(");\n");
|
|
commonBuiltins.append(s);
|
|
//printf("%s", s.c_str());
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Add context-dependent built-in functions and variables that are present
|
|
// for the given version and profile. All the results are put into just the
|
|
// commonBuiltins, because it is called for just a specific stage. So,
|
|
// add stage-specific entries to the commonBuiltins, and only if that stage
|
|
// was requested.
|
|
//
|
|
void TBuiltIns::initialize(const TBuiltInResource &resources, int version, EProfile profile, EShLanguage language)
|
|
{
|
|
//
|
|
// Initialize the context-dependent (resource-dependent) built-in strings for parsing.
|
|
//
|
|
|
|
//============================================================================
|
|
//
|
|
// Standard Uniforms
|
|
//
|
|
//============================================================================
|
|
|
|
TString& s = commonBuiltins;
|
|
const int maxSize = 80;
|
|
char builtInConstant[maxSize];
|
|
|
|
//
|
|
// Build string of implementation dependent constants.
|
|
//
|
|
|
|
if (profile == EEsProfile) {
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxVertexAttribs = %d;", resources.maxVertexAttribs);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxVertexUniformVectors = %d;", resources.maxVertexUniformVectors);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxVertexTextureImageUnits = %d;", resources.maxVertexTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxCombinedTextureImageUnits = %d;", resources.maxCombinedTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxTextureImageUnits = %d;", resources.maxTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxFragmentUniformVectors = %d;", resources.maxFragmentUniformVectors);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxDrawBuffers = %d;", resources.maxDrawBuffers);
|
|
s.append(builtInConstant);
|
|
|
|
if (version == 100) {
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxVaryingVectors = %d;", resources.maxVaryingVectors);
|
|
s.append(builtInConstant);
|
|
} else {
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxVertexOutputVectors = %d;", resources.maxVertexOutputVectors);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxFragmentInputVectors = %d;", resources.maxFragmentInputVectors);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MinProgramTexelOffset = %d;", resources.minProgramTexelOffset);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxProgramTexelOffset = %d;", resources.maxProgramTexelOffset);
|
|
s.append(builtInConstant);
|
|
}
|
|
|
|
if (version >= 310) {
|
|
// geometry
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryInputComponents = %d;", resources.maxGeometryInputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryOutputComponents = %d;", resources.maxGeometryOutputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryImageUniforms = %d;", resources.maxGeometryImageUniforms);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryTextureImageUnits = %d;", resources.maxGeometryTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryOutputVertices = %d;", resources.maxGeometryOutputVertices);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryTotalOutputComponents = %d;", resources.maxGeometryTotalOutputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryUniformComponents = %d;", resources.maxGeometryUniformComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryAtomicCounters = %d;", resources.maxGeometryAtomicCounters);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryAtomicCounterBuffers = %d;", resources.maxGeometryAtomicCounterBuffers);
|
|
s.append(builtInConstant);
|
|
|
|
// tessellation
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlInputComponents = %d;", resources.maxTessControlInputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlOutputComponents = %d;", resources.maxTessControlOutputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlTextureImageUnits = %d;", resources.maxTessControlTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlUniformComponents = %d;", resources.maxTessControlUniformComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlTotalOutputComponents = %d;", resources.maxTessControlTotalOutputComponents);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationInputComponents = %d;", resources.maxTessEvaluationInputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationOutputComponents = %d;", resources.maxTessEvaluationOutputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationTextureImageUnits = %d;", resources.maxTessEvaluationTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationUniformComponents = %d;", resources.maxTessEvaluationUniformComponents);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessPatchComponents = %d;", resources.maxTessPatchComponents);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxPatchVertices = %d;", resources.maxPatchVertices);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessGenLevel = %d;", resources.maxTessGenLevel);
|
|
s.append(builtInConstant);
|
|
|
|
// this is here instead of with the others in initialize(version, profile) due to the dependence on gl_MaxPatchVertices
|
|
if (language == EShLangTessControl || language == EShLangTessEvaluation) {
|
|
s.append(
|
|
"in gl_PerVertex {"
|
|
"highp vec4 gl_Position;"
|
|
"highp float gl_PointSize;"
|
|
"} gl_in[gl_MaxPatchVertices];"
|
|
"\n");
|
|
}
|
|
}
|
|
|
|
} else {
|
|
// non-ES profile
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxVertexAttribs = %d;", resources.maxVertexAttribs);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxVertexTextureImageUnits = %d;", resources.maxVertexTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedTextureImageUnits = %d;", resources.maxCombinedTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTextureImageUnits = %d;", resources.maxTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxDrawBuffers = %d;", resources.maxDrawBuffers);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxLights = %d;", resources.maxLights);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxClipPlanes = %d;", resources.maxClipPlanes);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTextureUnits = %d;", resources.maxTextureUnits);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTextureCoords = %d;", resources.maxTextureCoords);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxVertexUniformComponents = %d;", resources.maxVertexUniformComponents);
|
|
s.append(builtInConstant);
|
|
|
|
if (version < 150 || ARBCompatibility) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxVaryingFloats = %d;", resources.maxVaryingFloats);
|
|
s.append(builtInConstant);
|
|
}
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxFragmentUniformComponents = %d;", resources.maxFragmentUniformComponents);
|
|
s.append(builtInConstant);
|
|
|
|
if (IncludeLegacy(version, profile)) {
|
|
//
|
|
// OpenGL'uniform' state. Page numbers are in reference to version
|
|
// 1.4 of the OpenGL specification.
|
|
//
|
|
|
|
//
|
|
// Matrix state. p. 31, 32, 37, 39, 40.
|
|
//
|
|
s.append("uniform mat4 gl_TextureMatrix[gl_MaxTextureCoords];"
|
|
|
|
//
|
|
// Derived matrix state that provides inverse and transposed versions
|
|
// of the matrices above.
|
|
//
|
|
"uniform mat4 gl_TextureMatrixInverse[gl_MaxTextureCoords];"
|
|
|
|
"uniform mat4 gl_TextureMatrixTranspose[gl_MaxTextureCoords];"
|
|
|
|
"uniform mat4 gl_TextureMatrixInverseTranspose[gl_MaxTextureCoords];"
|
|
|
|
//
|
|
// Clip planes p. 42.
|
|
//
|
|
"uniform vec4 gl_ClipPlane[gl_MaxClipPlanes];"
|
|
|
|
//
|
|
// Light State p 50, 53, 55.
|
|
//
|
|
"uniform gl_LightSourceParameters gl_LightSource[gl_MaxLights];"
|
|
|
|
//
|
|
// Derived state from products of light.
|
|
//
|
|
"uniform gl_LightProducts gl_FrontLightProduct[gl_MaxLights];"
|
|
"uniform gl_LightProducts gl_BackLightProduct[gl_MaxLights];"
|
|
|
|
//
|
|
// Texture Environment and Generation, p. 152, p. 40-42.
|
|
//
|
|
"uniform vec4 gl_TextureEnvColor[gl_MaxTextureImageUnits];"
|
|
"uniform vec4 gl_EyePlaneS[gl_MaxTextureCoords];"
|
|
"uniform vec4 gl_EyePlaneT[gl_MaxTextureCoords];"
|
|
"uniform vec4 gl_EyePlaneR[gl_MaxTextureCoords];"
|
|
"uniform vec4 gl_EyePlaneQ[gl_MaxTextureCoords];"
|
|
"uniform vec4 gl_ObjectPlaneS[gl_MaxTextureCoords];"
|
|
"uniform vec4 gl_ObjectPlaneT[gl_MaxTextureCoords];"
|
|
"uniform vec4 gl_ObjectPlaneR[gl_MaxTextureCoords];"
|
|
"uniform vec4 gl_ObjectPlaneQ[gl_MaxTextureCoords];");
|
|
}
|
|
|
|
if (version >= 130) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxClipDistances = %d;", resources.maxClipDistances);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxVaryingComponents = %d;", resources.maxVaryingComponents);
|
|
s.append(builtInConstant);
|
|
|
|
// GL_ARB_shading_language_420pack
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MinProgramTexelOffset = %d;", resources.minProgramTexelOffset);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const mediump int gl_MaxProgramTexelOffset = %d;", resources.maxProgramTexelOffset);
|
|
s.append(builtInConstant);
|
|
}
|
|
|
|
// geometry
|
|
if (version >= 150) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryInputComponents = %d;", resources.maxGeometryInputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryOutputComponents = %d;", resources.maxGeometryOutputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryTextureImageUnits = %d;", resources.maxGeometryTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryOutputVertices = %d;", resources.maxGeometryOutputVertices);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryTotalOutputComponents = %d;", resources.maxGeometryTotalOutputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryUniformComponents = %d;", resources.maxGeometryUniformComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryVaryingComponents = %d;", resources.maxGeometryVaryingComponents);
|
|
s.append(builtInConstant);
|
|
|
|
}
|
|
|
|
if (version >= 150) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxVertexOutputComponents = %d;", resources.maxVertexOutputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxFragmentInputComponents = %d;", resources.maxFragmentInputComponents);
|
|
s.append(builtInConstant);
|
|
}
|
|
|
|
// tessellation
|
|
if (version >= 150) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlInputComponents = %d;", resources.maxTessControlInputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlOutputComponents = %d;", resources.maxTessControlOutputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlTextureImageUnits = %d;", resources.maxTessControlTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlUniformComponents = %d;", resources.maxTessControlUniformComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlTotalOutputComponents = %d;", resources.maxTessControlTotalOutputComponents);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationInputComponents = %d;", resources.maxTessEvaluationInputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationOutputComponents = %d;", resources.maxTessEvaluationOutputComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationTextureImageUnits = %d;", resources.maxTessEvaluationTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationUniformComponents = %d;", resources.maxTessEvaluationUniformComponents);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessPatchComponents = %d;", resources.maxTessPatchComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessGenLevel = %d;", resources.maxTessGenLevel);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxPatchVertices = %d;", resources.maxPatchVertices);
|
|
s.append(builtInConstant);
|
|
|
|
// this is here instead of with the others in initialize(version, profile) due to the dependence on gl_MaxPatchVertices
|
|
if (language == EShLangTessControl || language == EShLangTessEvaluation) {
|
|
s.append(
|
|
"in gl_PerVertex {"
|
|
"vec4 gl_Position;"
|
|
"float gl_PointSize;"
|
|
"float gl_ClipDistance[];"
|
|
);
|
|
if (profile == ECompatibilityProfile)
|
|
s.append(
|
|
"vec4 gl_ClipVertex;"
|
|
"vec4 gl_FrontColor;"
|
|
"vec4 gl_BackColor;"
|
|
"vec4 gl_FrontSecondaryColor;"
|
|
"vec4 gl_BackSecondaryColor;"
|
|
"vec4 gl_TexCoord[];"
|
|
"float gl_FogFragCoord;"
|
|
);
|
|
if (profile != EEsProfile && version >= 450)
|
|
s.append(
|
|
"float gl_CullDistance[];"
|
|
);
|
|
s.append(
|
|
"} gl_in[gl_MaxPatchVertices];"
|
|
"\n");
|
|
}
|
|
}
|
|
|
|
if (version >= 150) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxViewports = %d;", resources.maxViewports);
|
|
s.append(builtInConstant);
|
|
}
|
|
|
|
// images
|
|
if (version >= 130) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedImageUnitsAndFragmentOutputs = %d;", resources.maxCombinedImageUnitsAndFragmentOutputs);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxImageSamples = %d;", resources.maxImageSamples);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlImageUniforms = %d;", resources.maxTessControlImageUniforms);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationImageUniforms = %d;", resources.maxTessEvaluationImageUniforms);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryImageUniforms = %d;", resources.maxGeometryImageUniforms);
|
|
s.append(builtInConstant);
|
|
}
|
|
|
|
// enhanced layouts
|
|
if (version >= 430) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTransformFeedbackBuffers = %d;", resources.maxTransformFeedbackBuffers);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTransformFeedbackInterleavedComponents = %d;", resources.maxTransformFeedbackInterleavedComponents);
|
|
s.append(builtInConstant);
|
|
}
|
|
}
|
|
|
|
// images (some in compute below)
|
|
if ((profile == EEsProfile && version >= 310) ||
|
|
(profile != EEsProfile && version >= 130)) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxImageUnits = %d;", resources.maxImageUnits);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedShaderOutputResources = %d;", resources.maxCombinedShaderOutputResources);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxVertexImageUniforms = %d;", resources.maxVertexImageUniforms);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxFragmentImageUniforms = %d;", resources.maxFragmentImageUniforms);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedImageUniforms = %d;", resources.maxCombinedImageUniforms);
|
|
s.append(builtInConstant);
|
|
}
|
|
|
|
// atomic counters (some in compute below)
|
|
if ((profile == EEsProfile && version >= 310) ||
|
|
(profile != EEsProfile && version >= 420)) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxVertexAtomicCounters = %d;", resources. maxVertexAtomicCounters);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxFragmentAtomicCounters = %d;", resources. maxFragmentAtomicCounters);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedAtomicCounters = %d;", resources. maxCombinedAtomicCounters);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxAtomicCounterBindings = %d;", resources. maxAtomicCounterBindings);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxVertexAtomicCounterBuffers = %d;", resources. maxVertexAtomicCounterBuffers);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxFragmentAtomicCounterBuffers = %d;", resources. maxFragmentAtomicCounterBuffers);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedAtomicCounterBuffers = %d;", resources. maxCombinedAtomicCounterBuffers);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxAtomicCounterBufferSize = %d;", resources. maxAtomicCounterBufferSize);
|
|
s.append(builtInConstant);
|
|
}
|
|
if (profile != EEsProfile && version >= 420) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlAtomicCounters = %d;", resources. maxTessControlAtomicCounters);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationAtomicCounters = %d;", resources. maxTessEvaluationAtomicCounters);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryAtomicCounters = %d;", resources. maxGeometryAtomicCounters);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessControlAtomicCounterBuffers = %d;", resources. maxTessControlAtomicCounterBuffers);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxTessEvaluationAtomicCounterBuffers = %d;", resources. maxTessEvaluationAtomicCounterBuffers);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxGeometryAtomicCounterBuffers = %d;", resources. maxGeometryAtomicCounterBuffers);
|
|
s.append(builtInConstant);
|
|
|
|
s.append("\n");
|
|
}
|
|
|
|
|
|
// compute
|
|
if ((profile == EEsProfile && version >= 310) || (profile != EEsProfile && version >= 430)) {
|
|
snprintf(builtInConstant, maxSize, "const ivec3 gl_MaxComputeWorkGroupCount = ivec3(%d,%d,%d);", resources.maxComputeWorkGroupCountX,
|
|
resources.maxComputeWorkGroupCountY,
|
|
resources.maxComputeWorkGroupCountZ);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const ivec3 gl_MaxComputeWorkGroupSize = ivec3(%d,%d,%d);", resources.maxComputeWorkGroupSizeX,
|
|
resources.maxComputeWorkGroupSizeY,
|
|
resources.maxComputeWorkGroupSizeZ);
|
|
s.append(builtInConstant);
|
|
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxComputeUniformComponents = %d;", resources.maxComputeUniformComponents);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxComputeTextureImageUnits = %d;", resources.maxComputeTextureImageUnits);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxComputeImageUniforms = %d;", resources.maxComputeImageUniforms);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxComputeAtomicCounters = %d;", resources.maxComputeAtomicCounters);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxComputeAtomicCounterBuffers = %d;", resources.maxComputeAtomicCounterBuffers);
|
|
s.append(builtInConstant);
|
|
|
|
s.append("\n");
|
|
}
|
|
|
|
// GL_ARB_cull_distance
|
|
if (profile != EEsProfile && version >= 450) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxCullDistances = %d;", resources.maxCullDistances);
|
|
s.append(builtInConstant);
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxCombinedClipAndCullDistances = %d;", resources.maxCombinedClipAndCullDistances);
|
|
s.append(builtInConstant);
|
|
}
|
|
|
|
// GL_ARB_ES3_1_compatibility
|
|
if (profile != EEsProfile && version >= 450) {
|
|
snprintf(builtInConstant, maxSize, "const int gl_MaxSamples = %d;", resources.maxSamples);
|
|
s.append(builtInConstant);
|
|
}
|
|
|
|
s.append("\n");
|
|
}
|
|
|
|
//
|
|
// To support special built-ins that have a special qualifier that cannot be declared textually
|
|
// in a shader, like gl_Position.
|
|
//
|
|
// This lets the type of the built-in be declared textually, and then have just its qualifier be
|
|
// updated afterward.
|
|
//
|
|
// Safe to call even if name is not present.
|
|
//
|
|
// Only use this for built-in variables that have a special qualifier in TStorageQualifier.
|
|
// New built-in variables should use a generic (textually declarable) qualifier in
|
|
// TStoraregQualifier and only call BuiltInVariable().
|
|
//
|
|
void SpecialQualifier(const char* name, TStorageQualifier qualifier, TBuiltInVariable builtIn, TSymbolTable& symbolTable)
|
|
{
|
|
TSymbol* symbol = symbolTable.find(name);
|
|
if (symbol) {
|
|
TQualifier& symQualifier = symbol->getWritableType().getQualifier();
|
|
symQualifier.storage = qualifier;
|
|
symQualifier.builtIn = builtIn;
|
|
}
|
|
}
|
|
|
|
//
|
|
// To tag built-in variables with their TBuiltInVariable enum. Use this when the
|
|
// normal declaration text already gets the qualifier right, and all that's needed
|
|
// is setting the builtIn field. This should be the normal way for all new
|
|
// built-in variables.
|
|
//
|
|
// If SpecialQualifier() was called, this does not need to be called.
|
|
//
|
|
// Safe to call even if name is not present.
|
|
//
|
|
void BuiltInVariable(const char* name, TBuiltInVariable builtIn, TSymbolTable& symbolTable)
|
|
{
|
|
TSymbol* symbol = symbolTable.find(name);
|
|
if (! symbol)
|
|
return;
|
|
|
|
TQualifier& symQualifier = symbol->getWritableType().getQualifier();
|
|
symQualifier.builtIn = builtIn;
|
|
}
|
|
|
|
//
|
|
// For built-in variables inside a named block.
|
|
// SpecialQualifier() won't ever go inside a block; their member's qualifier come
|
|
// from the qualification of the block.
|
|
//
|
|
// See comments above for other detail.
|
|
//
|
|
void BuiltInVariable(const char* blockName, const char* name, TBuiltInVariable builtIn, TSymbolTable& symbolTable)
|
|
{
|
|
TSymbol* symbol = symbolTable.find(blockName);
|
|
if (! symbol)
|
|
return;
|
|
|
|
TTypeList& structure = *symbol->getWritableType().getWritableStruct();
|
|
for (int i = 0; i < (int)structure.size(); ++i) {
|
|
if (structure[i].type->getFieldName().compare(name) == 0) {
|
|
structure[i].type->getQualifier().builtIn = builtIn;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Finish adding/processing context-independent built-in symbols.
|
|
// 1) Programmatically add symbols that could not be added by simple text strings above.
|
|
// 2) Map built-in functions to operators, for those that will turn into an operation node
|
|
// instead of remaining a function call.
|
|
// 3) Tag extension-related symbols added to their base version with their extensions, so
|
|
// that if an early version has the extension turned off, there is an error reported on use.
|
|
//
|
|
void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymbolTable& symbolTable)
|
|
{
|
|
//
|
|
// Tag built-in variables and functions with additional qualifier and extension information
|
|
// that cannot be declared with the text strings.
|
|
//
|
|
|
|
// N.B.: a symbol should only be tagged once, and this function is called multiple times, once
|
|
// per stage that's used for this profile. So
|
|
// - generally, stick common ones in the fragment stage to ensure they are tagged exactly once
|
|
// - for ES, which has different precisions for different stages, the coarsest-grained tagging
|
|
// for a built-in used in many stages needs to be once for the fragment stage and once for
|
|
// the vertex stage
|
|
|
|
switch(language) {
|
|
case EShLangVertex:
|
|
// Compatibility variables, vertex only
|
|
BuiltInVariable("gl_Color", EbvColor, symbolTable);
|
|
BuiltInVariable("gl_SecondaryColor", EbvSecondaryColor, symbolTable);
|
|
BuiltInVariable("gl_Normal", EbvNormal, symbolTable);
|
|
BuiltInVariable("gl_Vertex", EbvVertex, symbolTable);
|
|
BuiltInVariable("gl_MultiTexCoord0", EbvMultiTexCoord0, symbolTable);
|
|
BuiltInVariable("gl_MultiTexCoord1", EbvMultiTexCoord1, symbolTable);
|
|
BuiltInVariable("gl_MultiTexCoord2", EbvMultiTexCoord2, symbolTable);
|
|
BuiltInVariable("gl_MultiTexCoord3", EbvMultiTexCoord3, symbolTable);
|
|
BuiltInVariable("gl_MultiTexCoord4", EbvMultiTexCoord4, symbolTable);
|
|
BuiltInVariable("gl_MultiTexCoord5", EbvMultiTexCoord5, symbolTable);
|
|
BuiltInVariable("gl_MultiTexCoord6", EbvMultiTexCoord6, symbolTable);
|
|
BuiltInVariable("gl_MultiTexCoord7", EbvMultiTexCoord7, symbolTable);
|
|
BuiltInVariable("gl_FogCoord", EbvFogFragCoord, symbolTable);
|
|
|
|
if (profile == EEsProfile) {
|
|
symbolTable.setFunctionExtensions("texture2DGradEXT", 1, &E_GL_EXT_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture2DProjGradEXT", 1, &E_GL_EXT_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("textureCubeGradEXT", 1, &E_GL_EXT_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("textureGatherOffsets", Num_AEP_gpu_shader5, AEP_gpu_shader5);
|
|
if (version >= 310)
|
|
symbolTable.setFunctionExtensions("fma", Num_AEP_gpu_shader5, AEP_gpu_shader5);
|
|
}
|
|
|
|
// Fall through
|
|
|
|
case EShLangTessControl:
|
|
case EShLangTessEvaluation:
|
|
case EShLangGeometry:
|
|
SpecialQualifier("gl_Position", EvqPosition, EbvPosition, symbolTable);
|
|
SpecialQualifier("gl_PointSize", EvqPointSize, EbvPointSize, symbolTable);
|
|
SpecialQualifier("gl_ClipVertex", EvqClipVertex, EbvClipVertex, symbolTable);
|
|
SpecialQualifier("gl_VertexID", EvqVertexId, EbvVertexId, symbolTable);
|
|
SpecialQualifier("gl_InstanceID", EvqInstanceId, EbvInstanceId, symbolTable);
|
|
|
|
BuiltInVariable("gl_in", "gl_Position", EbvPosition, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_PointSize", EbvPointSize, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_ClipDistance", EbvClipDistance, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_CullDistance", EbvCullDistance, symbolTable);
|
|
|
|
BuiltInVariable("gl_out", "gl_Position", EbvPosition, symbolTable);
|
|
BuiltInVariable("gl_out", "gl_PointSize", EbvPointSize, symbolTable);
|
|
BuiltInVariable("gl_out", "gl_ClipDistance", EbvClipDistance, symbolTable);
|
|
BuiltInVariable("gl_out", "gl_CullDistance", EbvCullDistance, symbolTable);
|
|
|
|
BuiltInVariable("gl_ClipDistance", EbvClipDistance, symbolTable);
|
|
BuiltInVariable("gl_CullDistance", EbvCullDistance, symbolTable);
|
|
BuiltInVariable("gl_PrimitiveIDIn", EbvPrimitiveId, symbolTable);
|
|
BuiltInVariable("gl_PrimitiveID", EbvPrimitiveId, symbolTable);
|
|
BuiltInVariable("gl_InvocationID", EbvInvocationId, symbolTable);
|
|
BuiltInVariable("gl_Layer", EbvLayer, symbolTable);
|
|
BuiltInVariable("gl_ViewportIndex", EbvViewportIndex, symbolTable);
|
|
BuiltInVariable("gl_PatchVerticesIn", EbvPatchVertices, symbolTable);
|
|
BuiltInVariable("gl_TessLevelOuter", EbvTessLevelOuter, symbolTable);
|
|
BuiltInVariable("gl_TessLevelInner", EbvTessLevelInner, symbolTable);
|
|
BuiltInVariable("gl_TessCoord", EbvTessCoord, symbolTable);
|
|
|
|
if (version < 410)
|
|
symbolTable.setVariableExtensions("gl_ViewportIndex", 1, &E_GL_ARB_viewport_array);
|
|
|
|
// Compatibility variables
|
|
|
|
BuiltInVariable("gl_in", "gl_ClipVertex", EbvClipVertex, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_FrontColor", EbvFrontColor, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_BackColor", EbvBackColor, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_FrontSecondaryColor", EbvFrontSecondaryColor, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_BackSecondaryColor", EbvBackSecondaryColor, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_TexCoord", EbvTexCoord, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_FogFragCoord", EbvFogFragCoord, symbolTable);
|
|
|
|
BuiltInVariable("gl_out", "gl_ClipVertex", EbvClipVertex, symbolTable);
|
|
BuiltInVariable("gl_out", "gl_FrontColor", EbvFrontColor, symbolTable);
|
|
BuiltInVariable("gl_out", "gl_BackColor", EbvBackColor, symbolTable);
|
|
BuiltInVariable("gl_out", "gl_FrontSecondaryColor", EbvFrontSecondaryColor, symbolTable);
|
|
BuiltInVariable("gl_out", "gl_BackSecondaryColor", EbvBackSecondaryColor, symbolTable);
|
|
BuiltInVariable("gl_out", "gl_TexCoord", EbvTexCoord, symbolTable);
|
|
BuiltInVariable("gl_out", "gl_FogFragCoord", EbvFogFragCoord, symbolTable);
|
|
|
|
BuiltInVariable("gl_ClipVertex", EbvClipVertex, symbolTable);
|
|
BuiltInVariable("gl_FrontColor", EbvFrontColor, symbolTable);
|
|
BuiltInVariable("gl_BackColor", EbvBackColor, symbolTable);
|
|
BuiltInVariable("gl_FrontSecondaryColor", EbvFrontSecondaryColor, symbolTable);
|
|
BuiltInVariable("gl_BackSecondaryColor", EbvBackSecondaryColor, symbolTable);
|
|
BuiltInVariable("gl_TexCoord", EbvTexCoord, symbolTable);
|
|
BuiltInVariable("gl_FogFragCoord", EbvFogFragCoord, symbolTable);
|
|
|
|
// gl_PointSize, when it needs to be tied to an extension, is always a member of a block.
|
|
// (Sometimes with an instance name, sometimes anonymous).
|
|
// However, the current automatic extension scheme does not work per block member,
|
|
// so for now check when parsing.
|
|
//
|
|
//if (profile == EEsProfile) {
|
|
// if (language == EShLangGeometry)
|
|
// symbolTable.setVariableExtensions("gl_PointSize", Num_AEP_geometry_point_size, AEP_geometry_point_size);
|
|
// else if (language == EShLangTessEvaluation || language == EShLangTessControl)
|
|
// symbolTable.setVariableExtensions("gl_PointSize", Num_AEP_tessellation_point_size, AEP_tessellation_point_size);
|
|
//}
|
|
|
|
break;
|
|
|
|
case EShLangFragment:
|
|
SpecialQualifier("gl_FrontFacing", EvqFace, EbvFace, symbolTable);
|
|
SpecialQualifier("gl_FragCoord", EvqFragCoord, EbvFragCoord, symbolTable);
|
|
SpecialQualifier("gl_PointCoord", EvqPointCoord, EbvPointCoord, symbolTable);
|
|
SpecialQualifier("gl_FragColor", EvqFragColor, EbvFragColor, symbolTable);
|
|
SpecialQualifier("gl_FragDepth", EvqFragDepth, EbvFragDepth, symbolTable);
|
|
SpecialQualifier("gl_FragDepthEXT", EvqFragDepth, EbvFragDepth, symbolTable);
|
|
SpecialQualifier("gl_HelperInvocation", EvqIn, EbvHelperInvocation, symbolTable);
|
|
|
|
BuiltInVariable("gl_ClipDistance", EbvClipDistance, symbolTable);
|
|
BuiltInVariable("gl_CullDistance", EbvCullDistance, symbolTable);
|
|
BuiltInVariable("gl_PrimitiveID", EbvPrimitiveId, symbolTable);
|
|
BuiltInVariable("gl_SampleID", EbvSampleId, symbolTable);
|
|
BuiltInVariable("gl_SamplePosition", EbvSamplePosition, symbolTable);
|
|
BuiltInVariable("gl_SampleMaskIn", EbvSampleMask, symbolTable);
|
|
BuiltInVariable("gl_SampleMask", EbvSampleMask, symbolTable);
|
|
BuiltInVariable("gl_Layer", EbvLayer, symbolTable);
|
|
BuiltInVariable("gl_ViewportIndex", EbvViewportIndex, symbolTable);
|
|
|
|
// Compatibility variables
|
|
|
|
BuiltInVariable("gl_in", "gl_FogFragCoord", EbvFogFragCoord, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_TexCoord", EbvTexCoord, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_Color", EbvColor, symbolTable);
|
|
BuiltInVariable("gl_in", "gl_SecondaryColor", EbvSecondaryColor, symbolTable);
|
|
|
|
BuiltInVariable("gl_FogFragCoord", EbvFogFragCoord, symbolTable);
|
|
BuiltInVariable("gl_TexCoord", EbvTexCoord, symbolTable);
|
|
BuiltInVariable("gl_Color", EbvColor, symbolTable);
|
|
BuiltInVariable("gl_SecondaryColor", EbvSecondaryColor, symbolTable);
|
|
|
|
// built-in functions
|
|
|
|
if (profile == EEsProfile) {
|
|
symbolTable.setFunctionExtensions("texture2DLodEXT", 1, &E_GL_EXT_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture2DProjLodEXT", 1, &E_GL_EXT_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("textureCubeLodEXT", 1, &E_GL_EXT_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture2DGradEXT", 1, &E_GL_EXT_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture2DProjGradEXT", 1, &E_GL_EXT_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("textureCubeGradEXT", 1, &E_GL_EXT_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("textureGatherOffsets", Num_AEP_gpu_shader5, AEP_gpu_shader5);
|
|
if (version == 100) {
|
|
symbolTable.setFunctionExtensions("dFdx", 1, &E_GL_OES_standard_derivatives);
|
|
symbolTable.setFunctionExtensions("dFdy", 1, &E_GL_OES_standard_derivatives);
|
|
symbolTable.setFunctionExtensions("fwidth", 1, &E_GL_OES_standard_derivatives);
|
|
}
|
|
if (version >= 310)
|
|
symbolTable.setFunctionExtensions("fma", Num_AEP_gpu_shader5, AEP_gpu_shader5);
|
|
} else if (version < 130) {
|
|
symbolTable.setFunctionExtensions("texture1DLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture2DLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture3DLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("textureCubeLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture1DProjLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture2DProjLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture3DProjLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("shadow1DLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("shadow2DLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("shadow1DProjLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("shadow2DProjLod", 1, &E_GL_ARB_shader_texture_lod);
|
|
}
|
|
|
|
// E_GL_ARB_shader_texture_lod functions usable only with the extension enabled
|
|
if (profile != EEsProfile) {
|
|
symbolTable.setFunctionExtensions("texture1DGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture1DProjGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture2DGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture2DProjGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture3DGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture3DProjGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("textureCubeGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("shadow1DGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("shadow1DProjGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("shadow2DGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("shadow2DProjGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture2DRectGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("texture2DRectProjGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("shadow2DRectGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
symbolTable.setFunctionExtensions("shadow2DRectProjGradARB", 1, &E_GL_ARB_shader_texture_lod);
|
|
}
|
|
|
|
// E_GL_ARB_shader_image_load_store
|
|
if (profile != EEsProfile && version < 420)
|
|
symbolTable.setFunctionExtensions("memoryBarrier", 1, &E_GL_ARB_shader_image_load_store);
|
|
// All the image access functions are protected by checks on the type of the first argument.
|
|
|
|
// E_GL_ARB_shader_atomic_counters
|
|
if (profile != EEsProfile && version < 420) {
|
|
symbolTable.setFunctionExtensions("atomicCounterIncrement", 1, &E_GL_ARB_shader_atomic_counters);
|
|
symbolTable.setFunctionExtensions("atomicCounterDecrement", 1, &E_GL_ARB_shader_atomic_counters);
|
|
symbolTable.setFunctionExtensions("atomicCounter" , 1, &E_GL_ARB_shader_atomic_counters);
|
|
}
|
|
|
|
// E_GL_ARB_derivative_control
|
|
if (profile != EEsProfile && version < 450) {
|
|
symbolTable.setFunctionExtensions("dFdxFine", 1, &E_GL_ARB_derivative_control);
|
|
symbolTable.setFunctionExtensions("dFdyFine", 1, &E_GL_ARB_derivative_control);
|
|
symbolTable.setFunctionExtensions("fwidthFine", 1, &E_GL_ARB_derivative_control);
|
|
symbolTable.setFunctionExtensions("dFdxCoarse", 1, &E_GL_ARB_derivative_control);
|
|
symbolTable.setFunctionExtensions("dFdyCoarse", 1, &E_GL_ARB_derivative_control);
|
|
symbolTable.setFunctionExtensions("fwidthCoarse", 1, &E_GL_ARB_derivative_control);
|
|
}
|
|
|
|
symbolTable.setVariableExtensions("gl_FragDepthEXT", 1, &E_GL_EXT_frag_depth);
|
|
symbolTable.setVariableExtensions("gl_PrimitiveID", Num_AEP_geometry_shader, AEP_geometry_shader);
|
|
symbolTable.setVariableExtensions("gl_Layer", Num_AEP_geometry_shader, AEP_geometry_shader);
|
|
break;
|
|
|
|
case EShLangCompute:
|
|
BuiltInVariable("gl_NumWorkGroups", EbvNumWorkGroups, symbolTable);
|
|
BuiltInVariable("gl_WorkGroupSize", EbvWorkGroupSize, symbolTable);
|
|
BuiltInVariable("gl_WorkGroupID", EbvWorkGroupId, symbolTable);
|
|
BuiltInVariable("gl_LocalInvocationID", EbvLocalInvocationId, symbolTable);
|
|
BuiltInVariable("gl_GlobalInvocationID", EbvGlobalInvocationId, symbolTable);
|
|
BuiltInVariable("gl_LocalInvocationIndex", EbvLocalInvocationIndex, symbolTable);
|
|
break;
|
|
|
|
default:
|
|
assert(false && "Language not supported");
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Next, identify which built-ins have a mapping to an operator.
|
|
// Those that are not identified as such are
|
|
// expected to be resolved through a library of functions, versus as
|
|
// operations.
|
|
//
|
|
symbolTable.relateToOperator("not", EOpVectorLogicalNot);
|
|
|
|
symbolTable.relateToOperator("matrixCompMult", EOpMul);
|
|
// 120 and 150 are correct for both ES and desktop
|
|
if (version >= 120) {
|
|
symbolTable.relateToOperator("outerProduct", EOpOuterProduct);
|
|
symbolTable.relateToOperator("transpose", EOpTranspose);
|
|
if (version >= 150) {
|
|
symbolTable.relateToOperator("determinant", EOpDeterminant);
|
|
symbolTable.relateToOperator("inverse", EOpMatrixInverse);
|
|
}
|
|
}
|
|
|
|
symbolTable.relateToOperator("mod", EOpMod);
|
|
symbolTable.relateToOperator("modf", EOpModf);
|
|
|
|
symbolTable.relateToOperator("equal", EOpVectorEqual);
|
|
symbolTable.relateToOperator("notEqual", EOpVectorNotEqual);
|
|
symbolTable.relateToOperator("lessThan", EOpLessThan);
|
|
symbolTable.relateToOperator("greaterThan", EOpGreaterThan);
|
|
symbolTable.relateToOperator("lessThanEqual", EOpLessThanEqual);
|
|
symbolTable.relateToOperator("greaterThanEqual", EOpGreaterThanEqual);
|
|
|
|
symbolTable.relateToOperator("radians", EOpRadians);
|
|
symbolTable.relateToOperator("degrees", EOpDegrees);
|
|
symbolTable.relateToOperator("sin", EOpSin);
|
|
symbolTable.relateToOperator("cos", EOpCos);
|
|
symbolTable.relateToOperator("tan", EOpTan);
|
|
symbolTable.relateToOperator("asin", EOpAsin);
|
|
symbolTable.relateToOperator("acos", EOpAcos);
|
|
symbolTable.relateToOperator("atan", EOpAtan);
|
|
symbolTable.relateToOperator("sinh", EOpSinh);
|
|
symbolTable.relateToOperator("cosh", EOpCosh);
|
|
symbolTable.relateToOperator("tanh", EOpTanh);
|
|
symbolTable.relateToOperator("asinh", EOpAsinh);
|
|
symbolTable.relateToOperator("acosh", EOpAcosh);
|
|
symbolTable.relateToOperator("atanh", EOpAtanh);
|
|
|
|
symbolTable.relateToOperator("pow", EOpPow);
|
|
symbolTable.relateToOperator("exp2", EOpExp2);
|
|
symbolTable.relateToOperator("log", EOpLog);
|
|
symbolTable.relateToOperator("exp", EOpExp);
|
|
symbolTable.relateToOperator("log2", EOpLog2);
|
|
symbolTable.relateToOperator("sqrt", EOpSqrt);
|
|
symbolTable.relateToOperator("inversesqrt", EOpInverseSqrt);
|
|
|
|
symbolTable.relateToOperator("abs", EOpAbs);
|
|
symbolTable.relateToOperator("sign", EOpSign);
|
|
symbolTable.relateToOperator("floor", EOpFloor);
|
|
symbolTable.relateToOperator("trunc", EOpTrunc);
|
|
symbolTable.relateToOperator("round", EOpRound);
|
|
symbolTable.relateToOperator("roundEven", EOpRoundEven);
|
|
symbolTable.relateToOperator("ceil", EOpCeil);
|
|
symbolTable.relateToOperator("fract", EOpFract);
|
|
symbolTable.relateToOperator("min", EOpMin);
|
|
symbolTable.relateToOperator("max", EOpMax);
|
|
symbolTable.relateToOperator("clamp", EOpClamp);
|
|
symbolTable.relateToOperator("mix", EOpMix);
|
|
symbolTable.relateToOperator("step", EOpStep);
|
|
symbolTable.relateToOperator("smoothstep", EOpSmoothStep);
|
|
|
|
symbolTable.relateToOperator("isnan", EOpIsNan);
|
|
symbolTable.relateToOperator("isinf", EOpIsInf);
|
|
|
|
symbolTable.relateToOperator("floatBitsToInt", EOpFloatBitsToInt);
|
|
symbolTable.relateToOperator("floatBitsToUint", EOpFloatBitsToUint);
|
|
symbolTable.relateToOperator("intBitsToFloat", EOpIntBitsToFloat);
|
|
symbolTable.relateToOperator("uintBitsToFloat", EOpUintBitsToFloat);
|
|
symbolTable.relateToOperator("packSnorm2x16", EOpPackSnorm2x16);
|
|
symbolTable.relateToOperator("unpackSnorm2x16", EOpUnpackSnorm2x16);
|
|
symbolTable.relateToOperator("packUnorm2x16", EOpPackUnorm2x16);
|
|
symbolTable.relateToOperator("unpackUnorm2x16", EOpUnpackUnorm2x16);
|
|
symbolTable.relateToOperator("packHalf2x16", EOpPackHalf2x16);
|
|
symbolTable.relateToOperator("unpackHalf2x16", EOpUnpackHalf2x16);
|
|
|
|
symbolTable.relateToOperator("length", EOpLength);
|
|
symbolTable.relateToOperator("distance", EOpDistance);
|
|
symbolTable.relateToOperator("dot", EOpDot);
|
|
symbolTable.relateToOperator("cross", EOpCross);
|
|
symbolTable.relateToOperator("normalize", EOpNormalize);
|
|
symbolTable.relateToOperator("faceforward", EOpFaceForward);
|
|
symbolTable.relateToOperator("reflect", EOpReflect);
|
|
symbolTable.relateToOperator("refract", EOpRefract);
|
|
|
|
symbolTable.relateToOperator("any", EOpAny);
|
|
symbolTable.relateToOperator("all", EOpAll);
|
|
|
|
symbolTable.relateToOperator("barrier", EOpBarrier);
|
|
symbolTable.relateToOperator("memoryBarrier", EOpMemoryBarrier);
|
|
symbolTable.relateToOperator("memoryBarrierAtomicCounter", EOpMemoryBarrierAtomicCounter);
|
|
symbolTable.relateToOperator("memoryBarrierBuffer", EOpMemoryBarrierBuffer);
|
|
symbolTable.relateToOperator("memoryBarrierImage", EOpMemoryBarrierImage);
|
|
|
|
if (PureOperatorBuiltins) {
|
|
symbolTable.relateToOperator("imageQuerySize", EImageQuerySize);
|
|
symbolTable.relateToOperator("imageQuerySamples", EImageQuerySamples);
|
|
symbolTable.relateToOperator("imageLoad", EImageLoad);
|
|
symbolTable.relateToOperator("imageStore", EImageStore);
|
|
symbolTable.relateToOperator("imageAtomicAdd", EImageAtomicAdd);
|
|
symbolTable.relateToOperator("imageAtomicMin", EImageAtomicMin);
|
|
symbolTable.relateToOperator("imageAtomicMax", EImageAtomicMax);
|
|
symbolTable.relateToOperator("imageAtomicAnd", EImageAtomicAnd);
|
|
symbolTable.relateToOperator("imageAtomicOr", EImageAtomicOr);
|
|
symbolTable.relateToOperator("imageAtomicXor", EImageAtomicXor);
|
|
symbolTable.relateToOperator("imageAtomicExchange", EImageAtomicExchange);
|
|
symbolTable.relateToOperator("imageAtomicCompSwap", EImageAtomicCompSwap);
|
|
|
|
symbolTable.relateToOperator("textureSize", ETextureQuerySize);
|
|
symbolTable.relateToOperator("textureQueryLod", ETextureQueryLod);
|
|
symbolTable.relateToOperator("textureQueryLevels", ETextureQueryLevels);
|
|
symbolTable.relateToOperator("textureSamples", ETextureQuerySamples);
|
|
symbolTable.relateToOperator("texture", ETexture);
|
|
symbolTable.relateToOperator("textureProj", ETextureProj);
|
|
symbolTable.relateToOperator("textureLod", ETextureLod);
|
|
symbolTable.relateToOperator("textureOffset", ETextureOffset);
|
|
symbolTable.relateToOperator("textureFetch", ETextureFetch);
|
|
symbolTable.relateToOperator("textureFetchOffset", ETextureFetchOffset);
|
|
symbolTable.relateToOperator("textureProjOffset", ETextureProjOffset);
|
|
symbolTable.relateToOperator("textureLodOffset", ETextureLodOffset);
|
|
symbolTable.relateToOperator("textureProjLod", ETextureProjLod);
|
|
symbolTable.relateToOperator("textureProjLodOffset", ETextureProjLodOffset);
|
|
symbolTable.relateToOperator("textureGrad", ETextureGrad);
|
|
symbolTable.relateToOperator("textureGradOffset", ETextureGradOffset);
|
|
symbolTable.relateToOperator("textureProjGrad", ETextureProjGrad);
|
|
symbolTable.relateToOperator("textureProjGradOffset", ETextureProjGradOffset);
|
|
symbolTable.relateToOperator("textureGather", ETextureGather);
|
|
symbolTable.relateToOperator("textureGatherOffset", ETextureGatherOffset);
|
|
symbolTable.relateToOperator("textureGatherOffsets", ETextureGatherOffsets);
|
|
|
|
if (IncludeLegacy(version, profile)) {
|
|
// TBD: add ftransform(), any others?
|
|
symbolTable.relateToOperator("texture1D", ETexture);
|
|
symbolTable.relateToOperator("texture1DProj", ETextureProj);
|
|
symbolTable.relateToOperator("texture1DLod", ETextureLod);
|
|
symbolTable.relateToOperator("texture1DProjLod", ETextureProjLod);
|
|
symbolTable.relateToOperator("texture2D", ETexture);
|
|
symbolTable.relateToOperator("texture2DProj", ETextureProj);
|
|
symbolTable.relateToOperator("texture2DLod", ETextureLod);
|
|
symbolTable.relateToOperator("texture2DProjLod", ETextureProjLod);
|
|
symbolTable.relateToOperator("texture3D", ETexture);
|
|
symbolTable.relateToOperator("texture3DProj", ETextureProj);
|
|
symbolTable.relateToOperator("texture3DLod", ETextureLod);
|
|
symbolTable.relateToOperator("texture3DProjLod", ETextureProjLod);
|
|
symbolTable.relateToOperator("textureCube", ETexture);
|
|
symbolTable.relateToOperator("textureCubeLod", ETextureLod);
|
|
symbolTable.relateToOperator("shadow1D", ETexture);
|
|
symbolTable.relateToOperator("shadow2D", ETexture);
|
|
symbolTable.relateToOperator("shadow1DProj", ETextureProj);
|
|
symbolTable.relateToOperator("shadow2DProj", ETextureProj);
|
|
symbolTable.relateToOperator("shadow1DLod", ETextureLod);
|
|
symbolTable.relateToOperator("shadow2DLod", ETextureLod);
|
|
symbolTable.relateToOperator("shadow1DProjLod", ETextureProjLod);
|
|
symbolTable.relateToOperator("shadow2DProjLod", ETextureProjLod);
|
|
}
|
|
}
|
|
|
|
switch(language) {
|
|
case EShLangVertex:
|
|
break;
|
|
|
|
case EShLangTessControl:
|
|
case EShLangTessEvaluation:
|
|
break;
|
|
|
|
case EShLangGeometry:
|
|
symbolTable.relateToOperator("EmitStreamVertex", EOpEmitStreamVertex);
|
|
symbolTable.relateToOperator("EndStreamPrimitive", EOpEndStreamPrimitive);
|
|
symbolTable.relateToOperator("EmitVertex", EOpEmitVertex);
|
|
symbolTable.relateToOperator("EndPrimitive", EOpEndPrimitive);
|
|
break;
|
|
|
|
case EShLangFragment:
|
|
symbolTable.relateToOperator("dFdx", EOpDPdx);
|
|
symbolTable.relateToOperator("dFdy", EOpDPdy);
|
|
symbolTable.relateToOperator("fwidth", EOpFwidth);
|
|
if (profile != EEsProfile && version >= 400) {
|
|
symbolTable.relateToOperator("dFdxFine", EOpDPdxFine);
|
|
symbolTable.relateToOperator("dFdyFine", EOpDPdyFine);
|
|
symbolTable.relateToOperator("fwidthFine", EOpFwidthFine);
|
|
symbolTable.relateToOperator("dFdxCoarse", EOpDPdxCoarse);
|
|
symbolTable.relateToOperator("dFdyCoarse", EOpDPdyCoarse);
|
|
symbolTable.relateToOperator("fwidthCoarse", EOpFwidthCoarse);
|
|
}
|
|
break;
|
|
|
|
case EShLangCompute:
|
|
symbolTable.relateToOperator("memoryBarrierShared", EOpMemoryBarrierShared);
|
|
symbolTable.relateToOperator("groupMemoryBarrier", EOpGroupMemoryBarrier);
|
|
break;
|
|
|
|
default:
|
|
assert(false && "Language not supported");
|
|
}
|
|
}
|
|
|
|
//
|
|
// Add context-dependent (resource-specific) built-ins not handled by the above. These
|
|
// would be ones that need to be programmatically added because they cannot
|
|
// be added by simple text strings. For these, also
|
|
// 1) Map built-in functions to operators, for those that will turn into an operation node
|
|
// instead of remaining a function call.
|
|
// 2) Tag extension-related symbols added to their base version with their extensions, so
|
|
// that if an early version has the extension turned off, there is an error reported on use.
|
|
//
|
|
void IdentifyBuiltIns(int version, EProfile profile, EShLanguage language, TSymbolTable& symbolTable, const TBuiltInResource &resources)
|
|
{
|
|
if (profile != EEsProfile && version >= 430 && version < 440) {
|
|
symbolTable.setVariableExtensions("gl_MaxTransformFeedbackBuffers", 1, &E_GL_ARB_enhanced_layouts);
|
|
symbolTable.setVariableExtensions("gl_MaxTransformFeedbackInterleavedComponents", 1, &E_GL_ARB_enhanced_layouts);
|
|
}
|
|
if (profile != EEsProfile && version >= 130 && version < 420) {
|
|
symbolTable.setVariableExtensions("gl_MinProgramTexelOffset", 1, &E_GL_ARB_shading_language_420pack);
|
|
symbolTable.setVariableExtensions("gl_MaxProgramTexelOffset", 1, &E_GL_ARB_shading_language_420pack);
|
|
}
|
|
if (profile != EEsProfile && version >= 150 && version < 410)
|
|
symbolTable.setVariableExtensions("gl_MaxViewports", 1, &E_GL_ARB_viewport_array);
|
|
|
|
switch(language) {
|
|
case EShLangFragment:
|
|
// Set up gl_FragData based on current array size.
|
|
if (version == 100 || IncludeLegacy(version, profile) || (! ForwardCompatibility && profile != EEsProfile && version < 420)) {
|
|
TPrecisionQualifier pq = profile == EEsProfile ? EpqMedium : EpqNone;
|
|
TType fragData(EbtFloat, EvqFragColor, pq, 4);
|
|
TArraySizes* arraySizes = new TArraySizes;
|
|
arraySizes->setOuterSize(resources.maxDrawBuffers);
|
|
fragData.setArraySizes(arraySizes);
|
|
symbolTable.insert(*new TVariable(NewPoolTString("gl_FragData"), fragData));
|
|
SpecialQualifier("gl_FragData", EvqFragColor, EbvFragData, symbolTable);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
} // end namespace glslang
|