| // Copyright (c) 2006-2009 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. |
| |
| // This file is here so other GLES2 related files can have a common set of |
| // includes where appropriate. |
| |
| #ifndef GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_H |
| #define GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_H |
| |
| #include "base/basictypes.h" |
| #include "gpu/command_buffer/common/types.h" |
| |
| namespace command_buffer { |
| namespace gles2 { |
| |
| // Utilties for GLES2 support. |
| class GLES2Util { |
| public: |
| explicit GLES2Util( |
| int num_compressed_texture_formats) |
| : num_compressed_texture_formats_(num_compressed_texture_formats) { |
| } |
| |
| // Gets the number of values a particular id will return when a glGet |
| // function is called. If 0 is returned the id is invalid. |
| int GLGetNumValuesReturned(int id) const; |
| |
| // Computes the size of image data for TexImage2D and TexSubImage2D. |
| static uint32 ComputeImageDataSize( |
| int width, int height, int format, int type, int unpack_alignment); |
| |
| private: |
| int num_compressed_texture_formats_; |
| }; |
| |
| } // namespace gles2 |
| } // namespace command_buffer |
| |
| #endif // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_H |
| |