зеркало из https://github.com/mozilla/gecko-dev.git
75 строки
1.9 KiB
C++
75 строки
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WEBGL_SHADER_VALIDATOR_H_
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#define WEBGL_SHADER_VALIDATOR_H_
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include "GLDefs.h"
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#include "GLSLANG/ShaderLang.h"
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#include "nsString.h"
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namespace mozilla {
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namespace webgl {
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class ShaderValidatorResults final {
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public:
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std::string mInfoLog;
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bool mValid = false;
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std::string mObjectCode;
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int mShaderVersion = 0;
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int mVertexShaderNumViews = 0;
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std::vector<sh::Attribute> mAttributes;
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std::vector<sh::InterfaceBlock> mInterfaceBlocks;
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std::vector<sh::OutputVariable> mOutputVariables;
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std::vector<sh::Uniform> mUniforms;
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std::vector<sh::Varying> mVaryings;
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std::unordered_map<std::string, std::string> mNameMap;
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int mMaxVaryingVectors = 0;
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bool CanLinkTo(const ShaderValidatorResults& vert,
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nsCString* const out_log) const;
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size_t SizeOfIncludingThis(MallocSizeOf) const;
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};
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class ShaderValidator final {
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public:
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const ShHandle mHandle;
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private:
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const ShCompileOptions mCompileOptions;
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const int mMaxVaryingVectors;
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public:
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static std::unique_ptr<ShaderValidator> Create(
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GLenum shaderType, ShShaderSpec spec, ShShaderOutput outputLanguage,
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const ShBuiltInResources& resources, ShCompileOptions compileOptions);
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private:
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ShaderValidator(ShHandle handle, ShCompileOptions compileOptions,
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int maxVaryingVectors)
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: mHandle(handle),
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mCompileOptions(compileOptions),
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mMaxVaryingVectors(maxVaryingVectors) {}
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public:
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~ShaderValidator();
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std::unique_ptr<const ShaderValidatorResults> ValidateAndTranslate(
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const char*) const;
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};
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} // namespace webgl
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} // namespace mozilla
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#endif // WEBGL_SHADER_VALIDATOR_H_
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