gles2_cmd_helper.h revision 4e180b6a0b4720a9b8e9e959a882386f690f08ff 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_H_
6#define GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_H_
7
8#include "gpu/command_buffer/client/cmd_buffer_helper.h"
9#include "gpu/command_buffer/common/gles2_cmd_format.h"
10#include "gpu/gpu_export.h"
11
12namespace gpu {
13namespace gles2 {
14
15// A class that helps write GL command buffers.
16class GPU_EXPORT GLES2CmdHelper : public CommandBufferHelper {
17 public:
18  explicit GLES2CmdHelper(CommandBuffer* command_buffer);
19  virtual ~GLES2CmdHelper();
20
21  // Include the auto-generated part of this class. We split this because it
22  // means we can easily edit the non-auto generated parts right here in this
23  // file instead of having to edit some template or the code generator.
24  #include "gpu/command_buffer/client/gles2_cmd_helper_autogen.h"
25
26  // Helpers that could not be auto-generated.
27  // TODO(gman): Auto generate these.
28
29  void GetAttribLocation(
30      GLuint program, uint32 name_shm_id, uint32 name_shm_offset,
31      uint32 location_shm_id, uint32 location_shm_offset, uint32 data_size) {
32    gles2::cmds::GetAttribLocation* c =
33        GetCmdSpace<gles2::cmds::GetAttribLocation>();
34    if (c) {
35      c->Init(
36          program, name_shm_id, name_shm_offset, location_shm_id,
37          location_shm_offset, data_size);
38    }
39  }
40
41  void GetAttribLocationBucket(
42      GLuint program, uint32 name_bucket_id,
43      uint32 location_shm_id, uint32 location_shm_offset) {
44    gles2::cmds::GetAttribLocationBucket* c =
45        GetCmdSpace<gles2::cmds::GetAttribLocationBucket>();
46    if (c) {
47      c->Init(program, name_bucket_id, location_shm_id, location_shm_offset);
48    }
49  }
50
51  void GetUniformLocation(
52      GLuint program, uint32 name_shm_id, uint32 name_shm_offset,
53      uint32 location_shm_id, uint32 location_shm_offset, uint32 data_size) {
54    gles2::cmds::GetUniformLocation* c =
55        GetCmdSpace<gles2::cmds::GetUniformLocation>();
56    if (c) {
57      c->Init(
58          program, name_shm_id, name_shm_offset, location_shm_id,
59          location_shm_offset, data_size);
60    }
61  }
62
63  void GetUniformLocationBucket(
64      GLuint program, uint32 name_bucket_id,
65      uint32 location_shm_id, uint32 location_shm_offset) {
66    gles2::cmds::GetUniformLocationBucket* c =
67        GetCmdSpace<gles2::cmds::GetUniformLocationBucket>();
68    if (c) {
69      c->Init(program, name_bucket_id, location_shm_id, location_shm_offset);
70    }
71  }
72
73 private:
74  DISALLOW_COPY_AND_ASSIGN(GLES2CmdHelper);
75};
76
77}  // namespace gles2
78}  // namespace gpu
79
80#endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_H_
81
82