Adding support for PVRTC, ATC, and ETC1 textures to the command buffer

ui/gl/gl_bindings.h

 // 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 UI_GL_GL_BINDINGS_H_
 #define UI_GL_GL_BINDINGS_H_
 
 // Includes the platform independent and platform dependent GL headers.
 // Only include this in cc files. It pulls in system headers, including
 // the X11 headers on linux, which define all kinds of macros that are
@@ skipping 134 matching lines @@
 #define GL_DEPTH24_STENCIL8_OES                          0x88F0
 #endif
 
 #ifndef GL_DEPTH24_STENCIL8
 #define GL_DEPTH24_STENCIL8                              0x88F0
 #endif
 
 // GL_OES_compressed_ETC1_RGB8_texture
 #define GL_ETC1_RGB8_OES                                 0x8D64
 
+// GL_AMD_compressed_ATC_texture
+#define GL_ATC_RGB_AMD                                   0x8C92
+#define GL_ATC_RGBA_EXPLICIT_ALPHA_AMD                   0x8C93
+#define GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD               0x87EE
+
+// GL_IMG_texture_compression_pvrtc
+#define GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG               0x8C00
+#define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG               0x8C01
+#define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG              0x8C02
+#define GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG              0x8C03
+
 // GL_OES_vertex_array_object
 #define GL_VERTEX_ARRAY_BINDING_OES                      0x85B5
 
 // GL_CHROMIUM_pixel_transfer_buffer_object
 #define GL_PIXEL_UNPACK_TRANSFER_BUFFER_CHROMIUM         0x78EC
 #define GL_PIXEL_PACK_TRANSFER_BUFFER_CHROMIUM           0x78ED
 #define GL_PIXEL_PACK_TRANSFER_BUFFER_BINDING_CHROMIUM   0x78EE
 #define GL_PIXEL_UNPACK_TRANSFER_BUFFER_BINDING_CHROMIUM 0x78EF
 
 /* GL_EXT_discard_framebuffer */
@@ skipping 163 matching lines @@
 #elif defined(OS_ANDROID)
 
 GL_EXPORT extern EGLApi* g_current_egl_context;
 GL_EXPORT extern DriverEGL g_driver_egl;
 
 #endif
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_BINDINGS_H_