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//
// Copyright 2014 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.
//
// ProgramImpl.h: Defines the abstract rx::ProgramImpl class.
#ifndef LIBANGLE_RENDERER_PROGRAMIMPL_H_
#define LIBANGLE_RENDERER_PROGRAMIMPL_H_
#include "common/angleutils.h"
#include "libANGLE/BinaryStream.h"
#include "libANGLE/Constants.h"
#include "libANGLE/Program.h"
#include "libANGLE/Shader.h"
#include <map>
namespace gl
{
class Context;
struct ProgramLinkedResources;
} // namespace gl
namespace sh
{
struct BlockMemberInfo;
}
namespace rx
{
// Provides a mechanism to access the result of asynchronous linking.
class LinkEvent : angle::NonCopyable
{
public:
virtual ~LinkEvent() {}
// Please be aware that these methods may be called under a gl::Context other
// than the one where the LinkEvent was created.
//
// Waits until the linking is actually done. Returns true if the linking
// succeeded, false otherwise.
virtual angle::Result wait(const gl::Context *context) = 0;
// Peeks whether the linking is still ongoing.
virtual bool isLinking() = 0;
};
// Wraps an already done linking.
class LinkEventDone final : public LinkEvent
{
public:
LinkEventDone(angle::Result result) : mResult(result) {}
angle::Result wait(const gl::Context *context) override;
bool isLinking() override;
private:
angle::Result mResult;
};
inline angle::Result LinkEventDone::wait(const gl::Context *context)
{
return mResult;
}
inline bool LinkEventDone::isLinking()
{
return false;
}
class ProgramImpl : angle::NonCopyable
{
public:
ProgramImpl(const gl::ProgramState &state) : mState(state) {}
virtual ~ProgramImpl() {}
virtual void destroy(const gl::Context *context) {}
virtual std::unique_ptr<LinkEvent> load(const gl::Context *context,
gl::BinaryInputStream *stream,
gl::InfoLog &infoLog) = 0;
virtual void save(const gl::Context *context, gl::BinaryOutputStream *stream) = 0;
virtual void setBinaryRetrievableHint(bool retrievable) = 0;
virtual void setSeparable(bool separable) = 0;
virtual std::unique_ptr<LinkEvent> link(const gl::Context *context,
const gl::ProgramLinkedResources &resources,
gl::InfoLog &infoLog,
const gl::ProgramMergedVaryings &mergedVaryings) = 0;
virtual GLboolean validate(const gl::Caps &caps, gl::InfoLog *infoLog) = 0;
virtual void setUniform1fv(GLint location, GLsizei count, const GLfloat *v) = 0;
virtual void setUniform2fv(GLint location, GLsizei count, const GLfloat *v) = 0;
virtual void setUniform3fv(GLint location, GLsizei count, const GLfloat *v) = 0;
virtual void setUniform4fv(GLint location, GLsizei count, const GLfloat *v) = 0;
virtual void setUniform1iv(GLint location, GLsizei count, const GLint *v) = 0;
virtual void setUniform2iv(GLint location, GLsizei count, const GLint *v) = 0;
virtual void setUniform3iv(GLint location, GLsizei count, const GLint *v) = 0;
virtual void setUniform4iv(GLint location, GLsizei count, const GLint *v) = 0;
virtual void setUniform1uiv(GLint location, GLsizei count, const GLuint *v) = 0;
virtual void setUniform2uiv(GLint location, GLsizei count, const GLuint *v) = 0;
virtual void setUniform3uiv(GLint location, GLsizei count, const GLuint *v) = 0;
virtual void setUniform4uiv(GLint location, GLsizei count, const GLuint *v) = 0;
virtual void setUniformMatrix2fv(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value) = 0;
virtual void setUniformMatrix3fv(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value) = 0;
virtual void setUniformMatrix4fv(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value) = 0;
virtual void setUniformMatrix2x3fv(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value) = 0;
virtual void setUniformMatrix3x2fv(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value) = 0;
virtual void setUniformMatrix2x4fv(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value) = 0;
virtual void setUniformMatrix4x2fv(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value) = 0;
virtual void setUniformMatrix3x4fv(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value) = 0;
virtual void setUniformMatrix4x3fv(GLint location,
GLsizei count,
GLboolean transpose,
const GLfloat *value) = 0;
// Done in the back-end to avoid having to keep a system copy of uniform data.
virtual void getUniformfv(const gl::Context *context,
GLint location,
GLfloat *params) const = 0;
virtual void getUniformiv(const gl::Context *context, GLint location, GLint *params) const = 0;
virtual void getUniformuiv(const gl::Context *context,
GLint location,
GLuint *params) const = 0;
// Implementation-specific method for ignoring unreferenced uniforms. Some implementations may
// perform more extensive analysis and ignore some locations that ANGLE doesn't detect as
// unreferenced. This method is not required to be overriden by a back-end.
virtual void markUnusedUniformLocations(std::vector<gl::VariableLocation> *uniformLocations,
std::vector<gl::SamplerBinding> *samplerBindings,
std::vector<gl::ImageBinding> *imageBindings)
{}
const gl::ProgramState &getState() const { return mState; }
virtual angle::Result syncState(const gl::Context *context,
const gl::Program::DirtyBits &dirtyBits);
protected:
const gl::ProgramState &mState;
};
inline angle::Result ProgramImpl::syncState(const gl::Context *context,
const gl::Program::DirtyBits &dirtyBits)
{
return angle::Result::Continue;
}
} // namespace rx
#endif // LIBANGLE_RENDERER_PROGRAMIMPL_H_
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