/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_H_
#define WEBGL_SHADER_H_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "GLDefs.h"
#include "mozilla/MemoryReporting.h"
#include "WebGLObjectModel.h"
namespace mozilla {
namespace webgl {
class ShaderValidatorResults;
}
// namespace webgl
class WebGLShader final :
public WebGLContextBoundObject {
friend class WebGLContext;
friend class WebGLProgram;
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(WebGLShader, override)
public:
WebGLShader(WebGLContext* webgl, GLenum type);
protected:
~WebGLShader() override;
public:
// GL funcs
void CompileShader();
void ShaderSource(
const std::string& source);
// Util funcs
size_t CalcNumSamplerUniforms()
const;
size_t NumAttributes()
const;
const auto& CompileResults()
const {
return mCompileResults; }
const auto& CompileLog()
const {
return mCompilationLog; }
bool IsCompiled()
const {
return mCompilationSuccessful; }
private:
void BindAttribLocation(GLuint prog,
const std::string& userName,
GLuint index)
const;
void MapTransformFeedbackVaryings(
const std::vector<std::string>& varyings,
std::vector<std::string>* out_mappedVaryings)
const;
public:
// Other funcs
size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf)
const;
public:
const GLuint mGLName;
const GLenum mType;
protected:
std::string mSource;
std::unique_ptr<
const webgl::ShaderValidatorResults>
mCompileResults;
// Never null.
bool mCompilationSuccessful =
false;
std::string mCompilationLog;
};
}
// namespace mozilla
#endif // WEBGL_SHADER_H_
