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
  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 GetAttribLocationImmediate(
  42       GLuint program, const char* name,
  43       uint32 location_shm_id, uint32 location_shm_offset) {
  44     const uint32 size = gles2::cmds::GetAttribLocationImmediate::ComputeSize(
  45         name);
  46     gles2::cmds::GetAttribLocationImmediate* c =
  47         GetImmediateCmdSpaceTotalSize<gles2::cmds::GetAttribLocationImmediate>(
  48             size);
  49     if (c) {
  50       c->Init(program, name, location_shm_id, location_shm_offset);
  51     }
  52   }
  53
  54   void GetAttribLocationBucket(
  55       GLuint program, uint32 name_bucket_id,
  56       uint32 location_shm_id, uint32 location_shm_offset) {
  57     gles2::cmds::GetAttribLocationBucket* c =
  58         GetCmdSpace<gles2::cmds::GetAttribLocationBucket>();
  59     if (c) {
  60       c->Init(program, name_bucket_id, location_shm_id, location_shm_offset);
  61     }
  62   }
  63
  64   void GetUniformLocation(
  65       GLuint program, uint32 name_shm_id, uint32 name_shm_offset,
  66       uint32 location_shm_id, uint32 location_shm_offset, uint32 data_size) {
  67     gles2::cmds::GetUniformLocation* c =
  68         GetCmdSpace<gles2::cmds::GetUniformLocation>();
  69     if (c) {
  70       c->Init(
  71           program, name_shm_id, name_shm_offset, location_shm_id,
  72           location_shm_offset, data_size);
  73     }
  74   }
  75
  76   void GetUniformLocationImmediate(
  77       GLuint program, const char* name,
  78       uint32 location_shm_id, uint32 location_shm_offset) {
  79     const uint32 size = gles2::cmds::GetUniformLocationImmediate::ComputeSize(
  80         name);
  81     gles2::cmds::GetUniformLocationImmediate* c =
  82         GetImmediateCmdSpaceTotalSize<gles2::cmds::GetUniformLocationImmediate>(
  83             size);
  84     if (c) {
  85       c->Init(program, name, location_shm_id, location_shm_offset);
  86     }
  87   }
  88
  89   void GetUniformLocationBucket(
  90       GLuint program, uint32 name_bucket_id,
  91       uint32 location_shm_id, uint32 location_shm_offset) {
  92     gles2::cmds::GetUniformLocationBucket* c =
  93         GetCmdSpace<gles2::cmds::GetUniformLocationBucket>();
  94     if (c) {
  95       c->Init(program, name_bucket_id, location_shm_id, location_shm_offset);
  96     }
  97   }
  98
  99   GLuint InsertSyncPointCHROMIUM() {
 100     CommandBufferHelper::Flush();
 101     return command_buffer()->InsertSyncPoint();
 102   }
 103
 104  private:
 105   DISALLOW_COPY_AND_ASSIGN(GLES2CmdHelper);
 106 };
 107
 108 }  // namespace gles2
 109 }  // namespace gpu
 110
 111 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_H_
 112