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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef WEBGL_SHADER_VALIDATOR_H_
#define WEBGL_SHADER_VALIDATOR_H_
#include "angle/ShaderLang.h"
#include "GLDefs.h"
#include "nsString.h"
#include <string>
namespace mozilla {
namespace webgl {
class ShaderValidator final
{
const ShHandle mHandle;
const ShCompileOptions mCompileOptions;
const int mMaxVaryingVectors;
bool mHasRun;
public:
static ShaderValidator* Create(GLenum shaderType, ShShaderSpec spec,
ShShaderOutput outputLanguage,
const ShBuiltInResources& resources,
ShCompileOptions compileOptions);
private:
ShaderValidator(ShHandle handle, ShCompileOptions compileOptions,
int maxVaryingVectors)
: mHandle(handle)
, mCompileOptions(compileOptions)
, mMaxVaryingVectors(maxVaryingVectors)
, mHasRun(false)
{ }
public:
~ShaderValidator();
bool ValidateAndTranslate(const char* source);
void GetInfoLog(nsACString* out) const;
void GetOutput(nsACString* out) const;
bool CanLinkTo(const ShaderValidator* prev, nsCString* const out_log) const;
size_t CalcNumSamplerUniforms() const;
size_t NumAttributes() const;
bool FindAttribUserNameByMappedName(const std::string& mappedName,
const std::string** const out_userName) const;
bool FindAttribMappedNameByUserName(const std::string& userName,
const std::string** const out_mappedName) const;
bool FindVaryingMappedNameByUserName(const std::string& userName,
const std::string** const out_mappedName) const;
bool FindVaryingByMappedName(const std::string& mappedName,
std::string* const out_userName,
bool* const out_isArray) const;
bool FindUniformByMappedName(const std::string& mappedName,
std::string* const out_userName,
bool* const out_isArray) const;
bool UnmapUniformBlockName(const nsACString& baseMappedName,
nsCString* const out_baseUserName) const;
void EnumerateFragOutputs(std::map<nsCString, const nsCString> &out_FragOutputs) const;
bool ValidateTransformFeedback(const std::vector<nsString>& userNames,
uint32_t maxComponents, nsCString* const out_errorText,
std::vector<std::string>* const out_mappedNames);
};
} // namespace webgl
} // namespace mozilla
#endif // WEBGL_SHADER_VALIDATOR_H_
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