chromium/gpu/command_buffer/client/gles2_implementation.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_
#define GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_

#include <stddef.h>
#include <stdint.h>

#include <map>
#include <memory>
#include <optional>
#include <set>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>

#include "base/compiler_specific.h"
#include "base/containers/queue.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/trace_event/memory_dump_provider.h"
#include "gpu/command_buffer/client/buffer_tracker.h"
#include "gpu/command_buffer/client/client_context_state.h"
#include "gpu/command_buffer/client/client_transfer_cache.h"
#include "gpu/command_buffer/client/context_support.h"
#include "gpu/command_buffer/client/gles2_impl_export.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "gpu/command_buffer/client/gpu_control_client.h"
#include "gpu/command_buffer/client/implementation_base.h"
#include "gpu/command_buffer/client/logging.h"
#include "gpu/command_buffer/client/mapped_memory.h"
#include "gpu/command_buffer/client/query_tracker.h"
#include "gpu/command_buffer/client/readback_buffer_shadow_tracker.h"
#include "gpu/command_buffer/client/ref_counted.h"
#include "gpu/command_buffer/client/share_group.h"
#include "gpu/command_buffer/client/transfer_buffer.h"
#include "gpu/command_buffer/common/context_creation_attribs.h"
#include "gpu/command_buffer/common/context_result.h"
#include "gpu/command_buffer/common/debug_marker_manager.h"

namespace gpu {

class IdAllocator;

namespace gles2 {

class GLES2CmdHelper;
class VertexArrayObjectManager;
class ReadbackBufferShadowTracker;

// This class emulates GLES2 over command buffers. It can be used by a client
// program so that the program does not need deal with shared memory and command
// buffer management. See gl2_lib.h.  Note that there is a performance gain to
// be had by changing your code to use command buffers directly by using the
// GLES2CmdHelper but that entails changing your code to use and deal with
// shared memory and synchronization issues.
class GLES2_IMPL_EXPORT GLES2Implementation : public GLES2Interface,
                                              public ImplementationBase,
                                              public QueryTrackerClient { … };

inline bool GLES2Implementation::GetBufferParameteri64vHelper(
    GLenum /* target */, GLenum /* pname */, GLint64* /* params */) { … }

inline bool GLES2Implementation::GetBufferParameterivHelper(
    GLenum /* target */, GLenum /* pname */, GLint* /* params */) { … }

inline bool GLES2Implementation::GetFramebufferAttachmentParameterivHelper(
    GLenum /* target */,
    GLenum /* attachment */,
    GLenum /* pname */,
    GLint* /* params */) { … }

inline bool
GLES2Implementation::GetFramebufferPixelLocalStorageParameterfvANGLEHelper(
    GLint /* plane */,
    GLenum /* pname */,
    GLfloat* /* params */) { … }

inline bool
GLES2Implementation::GetFramebufferPixelLocalStorageParameterivANGLEHelper(
    GLint /* plane */,
    GLenum /* pname */,
    GLint* /* params */) { … }

inline bool GLES2Implementation::GetRenderbufferParameterivHelper(
    GLenum /* target */, GLenum /* pname */, GLint* /* params */) { … }

inline bool GLES2Implementation::GetShaderivHelper(
    GLuint /* shader */, GLenum /* pname */, GLint* /* params */) { … }

inline bool GLES2Implementation::GetTexParameterfvHelper(
    GLenum /* target */, GLenum /* pname */, GLfloat* /* params */) { … }

inline bool GLES2Implementation::GetTexParameterivHelper(
    GLenum /* target */, GLenum /* pname */, GLint* /* params */) { … }

}  // namespace gles2
}  // namespace gpu

#endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_IMPLEMENTATION_H_