GL_ARB_enhanced_layouts, part 5: uniform offset and align semantics. Numerical computations not yet done.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@25092 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2014-01-28 21:13:59 +00:00
Родитель 255df5760a
Коммит 04b1c6ed4c
12 изменённых файлов: 243 добавлений и 46 удалений

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@ -145,5 +145,7 @@ void foo324(void)
mat3x2 m32 = outerProduct(vec2(2,3), vec3(5,7,11));// rows: (10, 14, 22), (15, 21, 33)
}
uniform mediump; // ERROR
float imageBuffer; // ERROR, reserved
float uimage2DRect; // ERROR, reserved

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@ -51,7 +51,7 @@ shared vec4 compute_only; // ERROR
layout(packed) uniform;
layout(packed) float aoeuntaoeu; // ERROR, packed on variable
layout(packed) uniform float aoeuntaoeu; // ERROR, packed on variable
layout(location = 40) in float cd;
layout(location = 37) in mat4x3 ce; // ERROR, overlap

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@ -20,3 +20,72 @@ layout(location = 20, component = 3) in float f[6];
layout(location = 30, component = 3) out int be;
layout(location = 30, component = 0) out vec3 bf; // ERROR, not the same basic type
writeonly uniform; // ERROR
readonly in; // ERROR
flat out; // ERROR
mediump uniform;
layout(offset=12) uniform; // ERROR
layout(offset=12) in; // ERROR
layout(offset=12) out; // ERROR
layout(align=16) uniform; // ERROR
layout(align=16) in; // ERROR
layout(align=16) out; // ERROR
layout(offset=12) uniform ubl1 { int a; } inst1; // ERROR
layout(offset=12) in inbl2 { int a; } inst2; // ERROR
layout(offset=12) out inbl3 { int a; } inst3; // ERROR
layout(align=16, std140) uniform ubl4 { int a; } inst4;
layout(align=16) uniform ubl8 { int a; } inst8; // ERROR, no packing
layout(align=16) in inbl5 { int a; } inst5; // ERROR
layout(align=16) out inbl6 { int a; } inst6; // ERROR
layout(offset=12) uniform vec4 v1; // ERROR
layout(offset=12) in vec4 v2; // ERROR
layout(offset=12) out vec4 v3; // ERROR
layout(align=16) uniform vec4 v4; // ERROR
layout(align=16) in vec4 v5; // ERROR
layout(align=16) out vec4 v6; // ERROR
layout(std140) in; // ERROR
layout(std140) uniform vec4 v7; // ERROR
layout(align=48) uniform ubl7 { // ERROR, not power of 2
layout(offset=12, align=4) float f; // ERROR, no packing
} inst7;
in ibl10 {
layout(offset=12) float f; // ERROR
layout(align=4) float g; // ERROR
} inst10;
layout(std430) uniform;
layout(align=32) uniform ubl9 {
float e;
layout(offset=12, align=4) float f;
layout(offset=20) float g;
float h;
} inst9;
uniform ubl11 {
layout(offset=12, align=4) float f;
float g;
} inst11;
layout(std140) uniform block {
vec4 a; // a takes offsets 0-15
layout(offset = 20) vec3 b; // b takes offsets 32-43
layout(offset = 40) vec2 c; // ERROR, lies within previous member
layout(offset = 48) vec2 d; // d takes offsets 48-55
layout(align = 16) float e; // e takes offsets 64-67
layout(align = 2) double f; // f takes offsets 72-79
layout(align = 6) double g; // ERROR, 6 is not a power of 2
layout(offset = 80) float h; // h takes offsets 80-83
layout(align = 64) dvec3 i; // i takes offsets 128-151
layout(offset = 153, align = 8) float j; // j takes offsets 160-163
} specExample;

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@ -33,9 +33,10 @@ ERROR: 0:122: '=' : can't use with samplers or structs containing samplers
ERROR: 0:123: '==' : can't use with samplers or structs containing samplers
ERROR: 0:129: 'texel offset' : value is out of range: [gl_MinProgramTexelOffset, gl_MaxProgramTexelOffset]
ERROR: 0:129: 'texel offset' : value is out of range: [gl_MinProgramTexelOffset, gl_MaxProgramTexelOffset]
ERROR: 0:148: 'imageBuffer' : Reserved word.
ERROR: 0:148: '' : syntax error
ERROR: 36 compilation errors. No code generated.
ERROR: 0:148: 'qualifier' : cannot use auxiliary, memory, interpolation, or precision qualifier in a default qualifier declaration (declaration with no type)
ERROR: 0:150: 'imageBuffer' : Reserved word.
ERROR: 0:150: '' : syntax error
ERROR: 37 compilation errors. No code generated.
ERROR: node is still EOpNull!

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@ -15,7 +15,7 @@ ERROR: 0:38: 'output block' : not supported with this profile: es
ERROR: 0:42: 'location qualifier on output' : not supported in this stage: vertex
ERROR: 0:50: 'shared' : not supported with this profile: es
ERROR: 0:50: 'shared' : not supported in this stage: vertex
ERROR: 0:54: 'layout' : qualifiers for matrix layout and block packing only apply to uniform or buffer blocks
ERROR: 0:54: 'layout' : cannot specify packing on a variable declaration
ERROR: 0:57: 'location' : overlapping use of location 40
ERROR: 18 compilation errors. No code generated.
@ -73,7 +73,7 @@ ERROR: node is still EOpNull!
0:? '__anon__2' (out block{out highp float f})
0:? 'badoutA' (layout(location=10 ) smooth out highp 4-component vector of float)
0:? 'compute_only' (shared highp 4-component vector of float)
0:? 'aoeuntaoeu' (layout(packed ) highp float)
0:? 'aoeuntaoeu' (layout(packed ) uniform highp float)
0:? 'cd' (layout(location=40 ) in highp float)
0:? 'ce' (layout(location=37 ) in highp 4X3 matrix of float)
0:? 'gl_VertexID' (gl_VertexId highp int)

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@ -3,7 +3,44 @@ Warning, version 440 is not yet complete; some version-specific features are pre
ERROR: 0:11: 'location' : overlapping use of location 4
ERROR: 0:13: 'component' : type overflows the available 4 components
ERROR: 0:22: 'location' : fragment outputs sharing the same location must be the same basic type 30
ERROR: 3 compilation errors. No code generated.
ERROR: 0:24: 'qualifier' : cannot use auxiliary, memory, interpolation, or precision qualifier in a default qualifier declaration (declaration with no type)
ERROR: 0:25: 'qualifier' : cannot use auxiliary, memory, interpolation, or precision qualifier in a default qualifier declaration (declaration with no type)
ERROR: 0:26: 'qualifier' : cannot use auxiliary, memory, interpolation, or precision qualifier in a default qualifier declaration (declaration with no type)
ERROR: 0:29: 'layout qualifier' : cannot use offset or align qualifiers in a default qualifier declaration (declaration with no type)
ERROR: 0:30: 'layout qualifier' : cannot use offset or align qualifiers in a default qualifier declaration (declaration with no type)
ERROR: 0:30: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:31: 'layout qualifier' : cannot use offset or align qualifiers in a default qualifier declaration (declaration with no type)
ERROR: 0:31: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:33: 'layout qualifier' : cannot use offset or align qualifiers in a default qualifier declaration (declaration with no type)
ERROR: 0:34: 'layout qualifier' : cannot use offset or align qualifiers in a default qualifier declaration (declaration with no type)
ERROR: 0:34: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:35: 'layout qualifier' : cannot use offset or align qualifiers in a default qualifier declaration (declaration with no type)
ERROR: 0:35: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:37: 'offset' : only applies to block members, not blocks
ERROR: 0:38: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:38: 'offset' : only applies to block members, not blocks
ERROR: 0:39: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:39: 'offset' : only applies to block members, not blocks
ERROR: 0:42: 'offset/align' : can only be used with std140 or std430 layout packing
ERROR: 0:43: 'offset/align' : can only be used with std140 or std430 layout packing
ERROR: 0:43: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:44: 'offset/align' : can only be used with std140 or std430 layout packing
ERROR: 0:44: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:46: 'offset' : cannot specify on a variable declaration
ERROR: 0:47: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:48: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:50: 'align' : cannot specify on a variable declaration
ERROR: 0:51: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:52: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:54: 'layout' : matrix or packing qualifiers can only be used on a uniform or buffer
ERROR: 0:55: 'layout' : cannot specify packing on a variable declaration
ERROR: 0:57: 'align' : must be a power of 2
ERROR: 0:58: 'align' : can only be used with std140 or std430 layout packing
ERROR: 0:63: 'align' : can only be used with std140 or std430 layout packing
ERROR: 0:62: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:63: 'layout' : offset/align can only be used on a uniform or buffer
ERROR: 0:87: 'align' : must be a power of 2
ERROR: 40 compilation errors. No code generated.
ERROR: node is still EOpNull!
@ -16,6 +53,25 @@ ERROR: node is still EOpNull!
0:? 'f' (layout(location=20 component=3 ) smooth in 6-element array of float)
0:? 'be' (layout(location=30 component=3 ) out int)
0:? 'bf' (layout(location=30 component=0 ) out 3-component vector of float)
0:? 'inst1' (layout(column_major shared offset=12 ) uniform block{layout(column_major shared ) uniform int a})
0:? 'inst2' (layout(offset=12 ) in block{in int a})
0:? 'inst3' (layout(offset=12 ) out block{out int a})
0:? 'inst4' (layout(column_major std140 align=16 ) uniform block{layout(column_major std140 align=16 ) uniform int a})
0:? 'inst8' (layout(column_major shared align=16 ) uniform block{layout(column_major shared ) uniform int a})
0:? 'inst5' (layout(align=16 ) in block{in int a})
0:? 'inst6' (layout(align=16 ) out block{out int a})
0:? 'v1' (layout(offset=12 ) uniform 4-component vector of float)
0:? 'v2' (layout(offset=12 ) smooth in 4-component vector of float)
0:? 'v3' (layout(offset=12 ) out 4-component vector of float)
0:? 'v4' (layout(align=16 ) uniform 4-component vector of float)
0:? 'v5' (layout(align=16 ) smooth in 4-component vector of float)
0:? 'v6' (layout(align=16 ) out 4-component vector of float)
0:? 'v7' (layout(std140 ) uniform 4-component vector of float)
0:? 'inst7' (layout(column_major shared ) uniform block{layout(column_major shared offset=12 align=4 ) uniform float f})
0:? 'inst10' (in block{layout(offset=12 ) in float f, layout(align=4 ) in float g})
0:? 'inst9' (layout(column_major std430 align=32 ) uniform block{layout(column_major std430 align=32 ) uniform float e, layout(column_major std430 offset=12 align=4 ) uniform float f, layout(column_major std430 offset=20 align=32 ) uniform float g, layout(column_major std430 align=32 ) uniform float h})
0:? 'inst11' (layout(column_major std430 ) uniform block{layout(column_major std430 offset=12 align=4 ) uniform float f, layout(column_major std430 ) uniform float g})
0:? 'specExample' (layout(column_major std140 ) uniform block{layout(column_major std140 ) uniform 4-component vector of float a, layout(column_major std140 offset=20 ) uniform 3-component vector of float b, layout(column_major std140 offset=40 ) uniform 2-component vector of float c, layout(column_major std140 offset=48 ) uniform 2-component vector of float d, layout(column_major std140 align=16 ) uniform float e, layout(column_major std140 align=2 ) uniform double f, layout(column_major std140 ) uniform double g, layout(column_major std140 offset=80 ) uniform float h, layout(column_major std140 align=64 ) uniform 3-component vector of double i, layout(column_major std140 offset=153 align=8 ) uniform float j})
Linked fragment stage:

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@ -19,6 +19,7 @@ ERROR: 0:55: 'stream' : there is no such layout identifier for this stage taking
ERROR: 0:80: 's17' : redefinition
ERROR: 0:85: 'uniform buffer-member offset' : not supported for this version or the enabled extensions
ERROR: 0:85: 'binding' : requires block, or sampler/image, or atomic-counter type
ERROR: 0:85: 'offset' : cannot specify on a variable declaration
ERROR: 0:87: 'binding' : requires block, or sampler/image, or atomic-counter type
ERROR: 0:89: 'uniform buffer-member offset' : not supported for this version or the enabled extensions
WARNING: 0:89: 'layout' : useless application of layout qualifier
@ -42,7 +43,7 @@ ERROR: 0:153: '' : function does not return a value: func3
ERROR: 0:192: 'constructor' : constructing from a non-dereferenced array
ERROR: 0:193: 'constructor' : constructing from a non-dereferenced array
ERROR: 0:194: 'constructor' : constructing from a non-dereferenced array
ERROR: 41 compilation errors. No code generated.
ERROR: 42 compilation errors. No code generated.
ERROR: node is still EOpNull!

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@ -186,17 +186,22 @@ typedef TMap<TString, TString>::tAllocator TPragmaTableAllocator;
const int GlslangMaxTokenLength = 1024;
template <class T> bool IsPow2(T powerOf2)
{
return (powerOf2 & (powerOf2 - 1)) == 0;
}
// Round number up to a multiple of the given powerOf2, which is not
// a power, just a number that must be a power of 2.
template <class T> void RoundToPow2(T& number, int powerOf2)
{
assert((powerOf2 & (powerOf2 - 1)) == 0);
assert(IsPow2(powerOf2));
number = (number + powerOf2 - 1) & ~(powerOf2 - 1);
}
template <class T> bool IsMultipleOfPow2(T number, int powerOf2)
{
assert((powerOf2 & (powerOf2 - 1)) == 0);
assert(IsPow2(powerOf2));
return ! (number & (powerOf2 - 1));
}

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@ -401,10 +401,26 @@ public:
bool hasUniformLayout() const
{
return layoutMatrix != ElmNone ||
layoutPacking != ElpNone ||
layoutOffset != -1 ||
layoutAlign != -1;
return hasMatrix() ||
hasPacking() ||
hasOffset() ||
hasAlign();
}
bool hasMatrix() const
{
return layoutMatrix != ElmNone;
}
bool hasPacking() const
{
return layoutPacking != ElpNone;
}
bool hasOffset() const
{
return layoutOffset != -1;
}
bool hasAlign() const
{
return layoutAlign != -1;
}
bool hasLocation() const
{
@ -904,13 +920,13 @@ public:
p += snprintf(p, end - p, "binding=%d ", qualifier.layoutBinding);
if (qualifier.hasStream())
p += snprintf(p, end - p, "stream=%d ", qualifier.layoutStream);
if (qualifier.layoutMatrix != ElmNone)
if (qualifier.hasMatrix())
p += snprintf(p, end - p, "%s ", TQualifier::getLayoutMatrixString(qualifier.layoutMatrix));
if (qualifier.layoutPacking != ElpNone)
if (qualifier.hasPacking())
p += snprintf(p, end - p, "%s ", TQualifier::getLayoutPackingString(qualifier.layoutPacking));
if (qualifier.layoutOffset != -1)
if (qualifier.hasOffset())
p += snprintf(p, end - p, "offset=%d ", qualifier.layoutOffset);
if (qualifier.layoutAlign != -1)
if (qualifier.hasAlign())
p += snprintf(p, end - p, "align=%d ", qualifier.layoutAlign);
if (qualifier.hasXfbBuffer() && qualifier.hasXfbOffset())

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@ -9,5 +9,5 @@
// source have to figure out how to create revision.h just to get a build
// going. However, if it is not updated, it can be a version behind.
#define GLSLANG_REVISION "25018"
#define GLSLANG_DATE "2014/01/26 00:56:43"
#define GLSLANG_REVISION "25043"
#define GLSLANG_DATE "2014/01/27 13:02:12"

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@ -2852,6 +2852,10 @@ void TParseContext::setLayoutQualifier(TSourceLoc loc, TPublicType& publicType,
const char* feature = "uniform buffer-member align";
requireProfile(loc, ECoreProfile | ECompatibilityProfile, feature);
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 440, GL_ARB_enhanced_layouts, feature);
// "The specified alignment must be a power of 2, or a compile-time error results."
if (! IsPow2(value))
error(loc, "must be a power of 2", "align", "");
else
publicType.qualifier.layoutAlign = value;
return;
} else if (id == "location") {
@ -2965,9 +2969,9 @@ void TParseContext::setLayoutQualifier(TSourceLoc loc, TPublicType& publicType,
// Merge any layout qualifier information from src into dst, leaving everything else in dst alone
void TParseContext::mergeObjectLayoutQualifiers(TSourceLoc loc, TQualifier& dst, const TQualifier& src, bool inheritOnly)
{
if (src.layoutMatrix != ElmNone)
if (src.hasMatrix())
dst.layoutMatrix = src.layoutMatrix;
if (src.layoutPacking != ElpNone)
if (src.hasPacking())
dst.layoutPacking = src.layoutPacking;
if (src.hasStream())
@ -2976,16 +2980,17 @@ void TParseContext::mergeObjectLayoutQualifiers(TSourceLoc loc, TQualifier& dst,
if (src.hasXfbBuffer())
dst.layoutXfbBuffer = src.layoutXfbBuffer;
if (src.hasAlign())
dst.layoutAlign = src.layoutAlign;
if (! inheritOnly) {
if (src.layoutLocation != TQualifier::layoutLocationEnd)
dst.layoutLocation = src.layoutLocation;
if (src.layoutComponent != TQualifier::layoutComponentEnd)
dst.layoutComponent = src.layoutComponent;
if (src.layoutOffset != -1)
if (src.hasOffset())
dst.layoutOffset = src.layoutOffset;
if (src.layoutAlign != -1)
dst.layoutAlign = src.layoutAlign;
if (src.layoutBinding != TQualifier::layoutBindingEnd)
dst.layoutBinding = src.layoutBinding;
@ -3021,24 +3026,26 @@ void TParseContext::layoutObjectCheck(TSourceLoc loc, const TSymbol& symbol)
}
// Check packing and matrix
// TODO: 4.4 enhanced layouts: generalize to include offset/align
if (qualifier.layoutMatrix || qualifier.layoutPacking) {
if (qualifier.hasUniformLayout()) {
switch (qualifier.storage) {
case EvqBuffer:
case EvqUniform:
if (type.getBasicType() != EbtBlock) {
if (qualifier.layoutMatrix != ElmNone)
if (qualifier.hasMatrix())
error(loc, "cannot specify matrix layout on a variable declaration", "layout", "");
if (qualifier.layoutPacking != ElpNone)
if (qualifier.hasPacking())
error(loc, "cannot specify packing on a variable declaration", "layout", "");
// "The offset qualifier can only be used on block members of blocks..."
if (qualifier.hasOffset())
error(loc, "cannot specify on a variable declaration", "offset", "");
// "The align qualifier can only be used on blocks or block members..."
if (qualifier.hasAlign())
error(loc, "cannot specify on a variable declaration", "align", "");
}
break;
default:
if (type.getBasicType() != EbtBlock && symbol.getAsVariable()) {
if (qualifier.layoutMatrix != ElmNone ||
qualifier.layoutPacking != ElpNone)
error(loc, "qualifiers for matrix layout and block packing only apply to uniform or buffer blocks", "layout", "");
}
// these were already filtered by layoutTypeCheck() (or its callees)
break;
}
}
}
@ -3127,6 +3134,12 @@ void TParseContext::layoutTypeCheck(TSourceLoc loc, const TType& type)
error(loc, "sampler binding not less than gl_MaxCombinedTextureImageUnits", "binding", type.isArray() ? "(using array)" : "");
}
}
// "The offset qualifier can only be used on block members of blocks..."
if (qualifier.hasOffset()) {
if (type.getBasicType() == EbtBlock)
error(loc, "only applies to block members, not blocks", "offset", "");
}
}
// Do layout error checking that can be done within a qualifier proper, not needing to know
@ -3185,7 +3198,6 @@ void TParseContext::layoutQualifierCheck(TSourceLoc loc, const TQualifier& quali
if (qualifier.storage != EvqUniform && qualifier.storage != EvqBuffer)
error(loc, "requires uniform or buffer storage qualifier", "binding", "");
}
if (qualifier.hasStream()) {
if (qualifier.storage != EvqVaryingOut)
error(loc, "can only be used on an output", "stream", "");
@ -3194,6 +3206,14 @@ void TParseContext::layoutQualifierCheck(TSourceLoc loc, const TQualifier& quali
if (qualifier.storage != EvqVaryingOut)
error(loc, "can only be used on an output", "xfb layout qualifier", "");
}
if (qualifier.hasUniformLayout()) {
if (! (qualifier.storage == EvqUniform || qualifier.storage == EvqBuffer)) {
if (qualifier.hasMatrix() || qualifier.hasPacking())
error(loc, "matrix or packing qualifiers can only be used on a uniform or buffer", "layout", "");
if (qualifier.hasOffset() || qualifier.hasAlign())
error(loc, "offset/align can only be used on a uniform or buffer", "layout", "");
}
}
}
// For places that can't have shader-level layout qualifiers
@ -3871,8 +3891,18 @@ void TParseContext::declareBlock(TSourceLoc loc, TTypeList& typeList, const TStr
}
// fix and check for member layout qualifiers
// TODO: 4.4 enhanced layouts: generalize to include offset/align
mergeObjectLayoutQualifiers(loc, defaultQualification, currentBlockQualifier, true);
// "The offset qualifier can only be used on block members of blocks declared with std140 or std430 layouts."
// "The align qualifier can only be used on blocks or block members, and only for blocks declared with std140 or std430 layouts."
if (currentBlockQualifier.hasAlign() || currentBlockQualifier.hasAlign()) {
if (defaultQualification.layoutPacking != ElpStd140 && defaultQualification.layoutPacking != ElpStd430) {
error(loc, "can only be used with std140 or std430 layout packing", "offset/align", "");
defaultQualification.layoutAlign = -1;
}
}
bool memberWithLocation = false;
bool memberWithoutLocation = false;
for (unsigned int member = 0; member < typeList.size(); ++member) {
@ -3892,7 +3922,7 @@ void TParseContext::declareBlock(TSourceLoc loc, TTypeList& typeList, const TStr
error(memberLoc, "member cannot contradict block (or what block inherited from global)", "xfb_buffer", "");
}
if (memberQualifier.layoutPacking != ElpNone)
if (memberQualifier.hasPacking())
error(memberLoc, "member of block cannot have a packing layout qualifier", typeList[member].type->getFieldName().c_str(), "");
if (memberQualifier.hasLocation()) {
const char* feature = "location on block member";
@ -3909,6 +3939,11 @@ void TParseContext::declareBlock(TSourceLoc loc, TTypeList& typeList, const TStr
}
} else
memberWithoutLocation = true;
if (memberQualifier.hasAlign()) {
if (defaultQualification.layoutPacking != ElpStd140 && defaultQualification.layoutPacking != ElpStd430)
error(memberLoc, "can only be used with std140 or std430 layout packing", "align", "");
}
TQualifier newMemberQualification = defaultQualification;
mergeQualifiers(memberLoc, newMemberQualification, memberQualifier, false);
memberQualifier = newMemberQualification;
@ -3917,6 +3952,7 @@ void TParseContext::declareBlock(TSourceLoc loc, TTypeList& typeList, const TStr
// Process the members
fixBlockLocations(loc, currentBlockQualifier, typeList, memberWithLocation, memberWithoutLocation);
fixBlockXfbOffsets(loc, currentBlockQualifier, typeList);
fixBlockUniformOffsets(loc, currentBlockQualifier, typeList);
for (unsigned int member = 0; member < typeList.size(); ++member)
layoutTypeCheck(typeList[member].loc, *typeList[member].type);
@ -4037,10 +4073,10 @@ void TParseContext::fixBlockXfbOffsets(TSourceLoc loc, TQualifier& qualifier, TT
// members of that block not qualified with an xfb_offsetwill not be assigned transform feedback buffer
// offsets."
if (! currentBlockQualifier.hasXfbBuffer() || ! currentBlockQualifier.hasXfbOffset())
if (! qualifier.hasXfbBuffer() || ! qualifier.hasXfbOffset())
return;
int nextOffset = currentBlockQualifier.layoutXfbOffset;
int nextOffset = qualifier.layoutXfbOffset;
for (unsigned int member = 0; member < typeList.size(); ++member) {
TQualifier& memberQualifier = typeList[member].type->getQualifier();
bool containsDouble = false;
@ -4061,6 +4097,12 @@ void TParseContext::fixBlockXfbOffsets(TSourceLoc loc, TQualifier& qualifier, TT
qualifier.layoutXfbOffset = TQualifier::layoutXfbOffsetEnd;
}
void TParseContext::fixBlockUniformOffsets(TSourceLoc loc, TQualifier& qualifier, TTypeList& typeList)
{
if (qualifier.storage != EvqUniform || qualifier.storage != EvqBuffer)
return;
}
// For an identifier that is already declared, add more qualification to it.
void TParseContext::addQualifierToExisting(TSourceLoc loc, TQualifier qualifier, const TString& identifier)
{
@ -4203,22 +4245,26 @@ void TParseContext::updateStandaloneQualifierDefaults(TSourceLoc loc, const TPub
qualifier.isMemory() ||
qualifier.isInterpolation() ||
qualifier.precision != EpqNone)
error(loc, "cannot use auxiliary, memory, interpolation, or precision qualifier in a default qualifier declaration (declaration with no type)", "", "");
error(loc, "cannot use auxiliary, memory, interpolation, or precision qualifier in a default qualifier declaration (declaration with no type)", "qualifier", "");
// "The offset qualifier can only be used on block members of blocks..."
// "The align qualifier can only be used on blocks or block members..."
if (qualifier.hasOffset() ||
qualifier.hasAlign())
error(loc, "cannot use offset or align qualifiers in a default qualifier declaration (declaration with no type)", "layout qualifier", "");
layoutQualifierCheck(loc, qualifier);
// TODO: 4.4 enhanced layouts: generalize to include all new ones
switch (qualifier.storage) {
case EvqUniform:
if (qualifier.layoutMatrix != ElmNone)
if (qualifier.hasMatrix())
globalUniformDefaults.layoutMatrix = qualifier.layoutMatrix;
if (qualifier.layoutPacking != ElpNone)
if (qualifier.hasPacking())
globalUniformDefaults.layoutPacking = qualifier.layoutPacking;
break;
case EvqBuffer:
if (qualifier.layoutMatrix != ElmNone)
if (qualifier.hasMatrix())
globalBufferDefaults.layoutMatrix = qualifier.layoutMatrix;
if (qualifier.layoutPacking != ElpNone)
if (qualifier.hasPacking())
globalBufferDefaults.layoutPacking = qualifier.layoutPacking;
break;
case EvqVaryingIn:

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@ -166,6 +166,7 @@ public:
void declareBlock(TSourceLoc, TTypeList& typeList, const TString* instanceName = 0, TArraySizes* arraySizes = 0);
void fixBlockLocations(TSourceLoc, TQualifier&, TTypeList&, bool memberWithLocation, bool memberWithoutLocation);
void fixBlockXfbOffsets(TSourceLoc, TQualifier&, TTypeList&);
void fixBlockUniformOffsets(TSourceLoc, TQualifier&, TTypeList&);
void addQualifierToExisting(TSourceLoc, TQualifier, const TString& identifier);
void addQualifierToExisting(TSourceLoc, TQualifier, TIdentifierList&);
void invariantCheck(TSourceLoc, const TType&, const TString& identifier);