Enabled EXT_sRGB WebGL extension support in the command buffer.

gpu/command_buffer/common/gles2_cmd_utils.cc

 // 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.
 
 // This file is here so other GLES2 related files can have a common set of
 // includes where appropriate.
 
 #include <sstream>
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
@@ skipping 214 matching lines @@
     case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME:
       return 1;
     case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL:
       return 1;
     case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE:
       return 1;
     // -- glGetFramebufferAttachmentParameteriv with
     //    GL_EXT_multisampled_render_to_texture
     case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_SAMPLES_EXT:
       return 1;
+    // -- glGetFramebufferAttachmentParameteriv with
+    //    GL_EXT_sRGB
+    case GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING_EXT:
+      return 1;
 
     // -- glGetProgramiv
     case GL_DELETE_STATUS:
       return 1;
     case GL_LINK_STATUS:
       return 1;
     case GL_VALIDATE_STATUS:
       return 1;
     case GL_INFO_LOG_LENGTH:
       return 1;
@@ skipping 100 matching lines @@
     case GL_UNSIGNED_SHORT_4_4_4_4:
     case GL_UNSIGNED_SHORT_5_5_5_1:
     case GL_UNSIGNED_INT_24_8_OES:
        return 1;
     default:
        break;
     }
 
     switch (format) {
     case GL_RGB:
+    case GL_SRGB_EXT:
        return 3;
     case GL_LUMINANCE_ALPHA:
        return 2;
     case GL_RGBA:
     case GL_BGRA_EXT:
+    case GL_SRGB_ALPHA_EXT:
        return 4;
     case GL_ALPHA:
     case GL_LUMINANCE:
     case GL_DEPTH_COMPONENT:
     case GL_DEPTH_COMPONENT24_OES:
     case GL_DEPTH_COMPONENT32_OES:
     case GL_DEPTH_COMPONENT16:
     case GL_DEPTH24_STENCIL8_OES:
     case GL_DEPTH_STENCIL_OES:
        return 1;
@@ skipping 293 matching lines @@
       return kAlpha;
     case GL_LUMINANCE:
       return kRGB;
     case GL_LUMINANCE_ALPHA:
       return kRGBA;
     case GL_RGB:
     case GL_RGB8_OES:
     case GL_RGB565:
     case GL_RGB16F_EXT:
     case GL_RGB32F_EXT:
+    case GL_SRGB_EXT:
       return kRGB;
     case GL_BGRA_EXT:
     case GL_BGRA8_EXT:
     case GL_RGBA16F_EXT:
     case GL_RGBA32F_EXT:
     case GL_RGBA:
     case GL_RGBA8_OES:
     case GL_RGBA4:
     case GL_RGB5_A1:
+    case GL_SRGB_ALPHA_EXT:
+    case GL_SRGB8_ALPHA8_EXT:
       return kRGBA;
     case GL_DEPTH_COMPONENT32_OES:
     case GL_DEPTH_COMPONENT24_OES:
     case GL_DEPTH_COMPONENT16:
     case GL_DEPTH_COMPONENT:
       return kDepth;
     case GL_STENCIL_INDEX8:
       return kStencil;
     case GL_DEPTH_STENCIL_OES:
     case GL_DEPTH24_STENCIL8_OES:
@@ skipping 236 matching lines @@
   }
 
   return true;
 }
 
 #include "gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu