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//
// Copyright 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// ProgramGL.h: Defines the class interface for ProgramGL.
#ifndef LIBANGLE_RENDERER_GL_PROGRAMGL_H_
#define LIBANGLE_RENDERER_GL_PROGRAMGL_H_
#include <string>
#include <vector>
#include "libANGLE/renderer/gl/WorkaroundsGL.h"
#include "libANGLE/renderer/ProgramImpl.h"
namespace rx
{
class FunctionsGL;
class StateManagerGL;
struct SamplerBindingGL
{
GLenum textureType;
std::vector<GLuint> boundTextureUnits;
};
class ProgramGL : public ProgramImpl
{
public:
ProgramGL(const gl::ProgramState &data,
const FunctionsGL *functions,
const WorkaroundsGL &workarounds,
StateManagerGL *stateManager,
bool enablePathRendering);
~ProgramGL() override;
LinkResult load(gl::InfoLog &infoLog, gl::BinaryInputStream *stream) override;
gl::Error save(gl::BinaryOutputStream *stream) override;
void setBinaryRetrievableHint(bool retrievable) override;
LinkResult link(const gl::ContextState &data, gl::InfoLog &infoLog) override;
GLboolean validate(const gl::Caps &caps, gl::InfoLog *infoLog) override;
void setUniform1fv(GLint location, GLsizei count, const GLfloat *v) override;
void setUniform2fv(GLint location, GLsizei count, const GLfloat *v) override;
void setUniform3fv(GLint location, GLsizei count, const GLfloat *v) override;
void setUniform4fv(GLint location, GLsizei count, const GLfloat *v) override;
void setUniform1iv(GLint location, GLsizei count, const GLint *v) override;
void setUniform2iv(GLint location, GLsizei count, const GLint *v) override;
void setUniform3iv(GLint location, GLsizei count, const GLint *v) override;
void setUniform4iv(GLint location, GLsizei count, const GLint *v) override;
void setUniform1uiv(GLint location, GLsizei count, const GLuint *v) override;
void setUniform2uiv(GLint location, GLsizei count, const GLuint *v) override;
void setUniform3uiv(GLint location, GLsizei count, const GLuint *v) override;
void setUniform4uiv(GLint location, GLsizei count, const GLuint *v) override;
void setUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) override;
void setUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) override;
void setUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) override;
void setUniformMatrix2x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) override;
void setUniformMatrix3x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) override;
void setUniformMatrix2x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) override;
void setUniformMatrix4x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) override;
void setUniformMatrix3x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) override;
void setUniformMatrix4x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) override;
void setUniformBlockBinding(GLuint uniformBlockIndex, GLuint uniformBlockBinding) override;
bool getUniformBlockSize(const std::string &blockName, size_t *sizeOut) const override;
bool getUniformBlockMemberInfo(const std::string &memberUniformName,
sh::BlockMemberInfo *memberInfoOut) const override;
void setPathFragmentInputGen(const std::string &inputName,
GLenum genMode,
GLint components,
const GLfloat *coeffs) override;
GLuint getProgramID() const;
const std::vector<SamplerBindingGL> &getAppliedSamplerUniforms() const;
private:
void preLink();
bool checkLinkStatus(gl::InfoLog &infoLog);
void postLink();
// Helper function, makes it simpler to type.
GLint uniLoc(GLint glLocation) const { return mUniformRealLocationMap[glLocation]; }
const FunctionsGL *mFunctions;
const WorkaroundsGL &mWorkarounds;
StateManagerGL *mStateManager;
std::vector<GLint> mUniformRealLocationMap;
std::vector<GLuint> mUniformBlockRealLocationMap;
// An array of the samplers that are used by the program
std::vector<SamplerBindingGL> mSamplerBindings;
// A map from a mData.getUniforms() index to a mSamplerBindings index.
std::vector<size_t> mUniformIndexToSamplerIndex;
struct PathRenderingFragmentInput
{
std::string name;
GLint location;
};
std::vector<PathRenderingFragmentInput> mPathRenderingFragmentInputs;
bool mEnablePathRendering;
GLuint mProgramID;
};
}
#endif // LIBANGLE_RENDERER_GL_PROGRAMGL_H_
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