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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// 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_CMD_HELPER_H_
#define GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_H_
#include "gpu/command_buffer/client/cmd_buffer_helper.h"
#include "gpu/command_buffer/common/gles2_cmd_format.h"
#include "gpu/gpu_export.h"
namespace gpu {
namespace gles2 {
// A class that helps write GL command buffers.
class GPU_EXPORT GLES2CmdHelper : public CommandBufferHelper {
public:
explicit GLES2CmdHelper(CommandBuffer* command_buffer);
virtual ~GLES2CmdHelper();
// Include the auto-generated part of this class. We split this because it
// means we can easily edit the non-auto generated parts right here in this
// file instead of having to edit some template or the code generator.
#include "gpu/command_buffer/client/gles2_cmd_helper_autogen.h"
// Helpers that could not be auto-generated.
// TODO(gman): Auto generate these.
void GetAttribLocation(
GLuint program, uint32 name_shm_id, uint32 name_shm_offset,
uint32 location_shm_id, uint32 location_shm_offset, uint32 data_size) {
gles2::cmds::GetAttribLocation* c =
GetCmdSpace<gles2::cmds::GetAttribLocation>();
if (c) {
c->Init(
program, name_shm_id, name_shm_offset, location_shm_id,
location_shm_offset, data_size);
}
}
void GetAttribLocationImmediate(
GLuint program, const char* name,
uint32 location_shm_id, uint32 location_shm_offset) {
const uint32 size = gles2::cmds::GetAttribLocationImmediate::ComputeSize(
name);
gles2::cmds::GetAttribLocationImmediate* c =
GetImmediateCmdSpaceTotalSize<gles2::cmds::GetAttribLocationImmediate>(
size);
if (c) {
c->Init(program, name, location_shm_id, location_shm_offset);
}
}
void GetAttribLocationBucket(
GLuint program, uint32 name_bucket_id,
uint32 location_shm_id, uint32 location_shm_offset) {
gles2::cmds::GetAttribLocationBucket* c =
GetCmdSpace<gles2::cmds::GetAttribLocationBucket>();
if (c) {
c->Init(program, name_bucket_id, location_shm_id, location_shm_offset);
}
}
void GetUniformLocation(
GLuint program, uint32 name_shm_id, uint32 name_shm_offset,
uint32 location_shm_id, uint32 location_shm_offset, uint32 data_size) {
gles2::cmds::GetUniformLocation* c =
GetCmdSpace<gles2::cmds::GetUniformLocation>();
if (c) {
c->Init(
program, name_shm_id, name_shm_offset, location_shm_id,
location_shm_offset, data_size);
}
}
void GetUniformLocationImmediate(
GLuint program, const char* name,
uint32 location_shm_id, uint32 location_shm_offset) {
const uint32 size = gles2::cmds::GetUniformLocationImmediate::ComputeSize(
name);
gles2::cmds::GetUniformLocationImmediate* c =
GetImmediateCmdSpaceTotalSize<gles2::cmds::GetUniformLocationImmediate>(
size);
if (c) {
c->Init(program, name, location_shm_id, location_shm_offset);
}
}
void GetUniformLocationBucket(
GLuint program, uint32 name_bucket_id,
uint32 location_shm_id, uint32 location_shm_offset) {
gles2::cmds::GetUniformLocationBucket* c =
GetCmdSpace<gles2::cmds::GetUniformLocationBucket>();
if (c) {
c->Init(program, name_bucket_id, location_shm_id, location_shm_offset);
}
}
GLuint InsertSyncPointCHROMIUM() {
CommandBufferHelper::Flush();
return command_buffer()->InsertSyncPoint();
}
private:
DISALLOW_COPY_AND_ASSIGN(GLES2CmdHelper);
};
} // namespace gles2
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_H_
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