forked from mirrors/gecko-dev
77 lines
2.9 KiB
C++
77 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 "GLSLANG/ShaderLang.h"
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#include "GLDefs.h"
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#include "nsString.h"
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#include <string>
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namespace mozilla {
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namespace webgl {
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class ShaderValidator final
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{
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const ShHandle mHandle;
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const ShCompileOptions mCompileOptions;
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const int mMaxVaryingVectors;
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bool mHasRun;
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public:
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static ShaderValidator* Create(GLenum shaderType, ShShaderSpec spec,
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ShShaderOutput outputLanguage,
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const ShBuiltInResources& resources,
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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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, mHasRun(false)
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{ }
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public:
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~ShaderValidator();
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bool ValidateAndTranslate(const char* source);
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void GetInfoLog(nsACString* out) const;
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void GetOutput(nsACString* out) const;
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bool CanLinkTo(const ShaderValidator* prev, nsCString* const out_log) const;
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size_t CalcNumSamplerUniforms() const;
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size_t NumAttributes() const;
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bool FindAttribUserNameByMappedName(const std::string& mappedName,
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const std::string** const out_userName) const;
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bool FindAttribMappedNameByUserName(const std::string& userName,
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const std::string** const out_mappedName) const;
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bool FindVaryingMappedNameByUserName(const std::string& userName,
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const std::string** const out_mappedName) const;
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bool FindVaryingByMappedName(const std::string& mappedName,
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std::string* const out_userName,
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bool* const out_isArray) const;
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bool FindUniformByMappedName(const std::string& mappedName,
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std::string* const out_userName,
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bool* const out_isArray) const;
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bool UnmapUniformBlockName(const nsACString& baseMappedName,
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nsCString* const out_baseUserName) const;
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void EnumerateFragOutputs(std::map<nsCString, const nsCString> &out_FragOutputs) const;
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bool ValidateTransformFeedback(const std::vector<nsString>& userNames,
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uint32_t maxComponents, nsCString* const out_errorText,
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std::vector<std::string>* const out_mappedNames);
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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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