gpu/command_buffer/client/gles2_cmd_helper.h

   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
  12 namespace gpu {
  13 namespace gles2 {
  14
  15 // A class that helps write GL command buffers.
  16 class 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   void GetAttribLocation(
  29       GLuint program, uint32 name_bucket_id,
  30       uint32 location_shm_id, uint32 location_shm_offset) {
  31     gles2::cmds::GetAttribLocation* c =
  32         GetCmdSpace<gles2::cmds::GetAttribLocation>();
  33     if (c) {
  34       c->Init(program, name_bucket_id, location_shm_id, location_shm_offset);
  35     }
  36   }
  37
  38   void GetUniformLocation(
  39       GLuint program, uint32 name_bucket_id,
  40       uint32 location_shm_id, uint32 location_shm_offset) {
  41     gles2::cmds::GetUniformLocation* c =
  42         GetCmdSpace<gles2::cmds::GetUniformLocation>();
  43     if (c) {
  44       c->Init(program, name_bucket_id, location_shm_id, location_shm_offset);
  45     }
  46   }
  47
  48   void CreateAndConsumeTextureCHROMIUMImmediate(GLenum target,
  49                                                 uint32_t client_id,
  50                                                 const GLbyte* _mailbox) {
  51     const uint32_t size =
  52         gles2::cmds::CreateAndConsumeTextureCHROMIUMImmediate::ComputeSize();
  53     gles2::cmds::CreateAndConsumeTextureCHROMIUMImmediate* c =
  54         GetImmediateCmdSpaceTotalSize<
  55             gles2::cmds::CreateAndConsumeTextureCHROMIUMImmediate>(size);
  56     if (c) {
  57       c->Init(target, client_id, _mailbox);
  58     }
  59   }
  60
  61  private:
  62   DISALLOW_COPY_AND_ASSIGN(GLES2CmdHelper);
  63 };
  64
  65 }  // namespace gles2
  66 }  // namespace gpu
  67
  68 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_H_
  69