command_buffer: Implement CHROMIUM_framebuffer_mixed_samples extension

gpu/command_buffer/common/gles2_cmd_utils_implementation_autogen.h

 // Copyright 2014 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 auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 3217 matching lines @@
     {
         0x9309, "GL_REFERENCED_BY_GEOMETRY_SHADER_EXT",
     },
     {
         0x9312, "GL_FRAMEBUFFER_DEFAULT_LAYERS_EXT",
     },
     {
         0x9317, "GL_MAX_FRAMEBUFFER_LAYERS_EXT",
     },
     {
+        0x9332, "GL_COVERAGE_MODULATION_CHROMIUM",
+    },
+    {
         0x9380, "GL_NUM_SAMPLE_COUNTS",
     },
     {
         0x93A0, "GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE",
     },
     {
         0x93A1, "GL_BGRA8_EXT",
     },
     {
         0x93A2, "GL_TEXTURE_USAGE_ANGLE",
@@ skipping 388 matching lines @@
       {GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
        "GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2"},
       {GL_COMPRESSED_RGBA8_ETC2_EAC, "GL_COMPRESSED_RGBA8_ETC2_EAC"},
       {GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC,
        "GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC"},
   };
   return GLES2Util::GetQualifiedEnumString(string_table,
                                            arraysize(string_table), value);
 }
 
+std::string GLES2Util::GetStringCoverageModulationComponents(uint32_t value) {
+  static const EnumToString string_table[] = {
+      {GL_RGB, "GL_RGB"},
+      {GL_RGBA, "GL_RGBA"},
+      {GL_ALPHA, "GL_ALPHA"},
+      {GL_NONE, "GL_NONE"},
+  };
+  return GLES2Util::GetQualifiedEnumString(string_table,
+                                           arraysize(string_table), value);
+}
+
 std::string GLES2Util::GetStringDrawMode(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_POINTS, "GL_POINTS"},
       {GL_LINE_STRIP, "GL_LINE_STRIP"},
       {GL_LINE_LOOP, "GL_LINE_LOOP"},
       {GL_LINES, "GL_LINES"},
       {GL_TRIANGLE_STRIP, "GL_TRIANGLE_STRIP"},
       {GL_TRIANGLE_FAN, "GL_TRIANGLE_FAN"},
       {GL_TRIANGLES, "GL_TRIANGLES"},
   };
@@ skipping 1239 matching lines @@
 
 std::string GLES2Util::GetStringVertexPointer(uint32_t value) {
   static const EnumToString string_table[] = {
       {GL_VERTEX_ATTRIB_ARRAY_POINTER, "GL_VERTEX_ATTRIB_ARRAY_POINTER"},
   };
   return GLES2Util::GetQualifiedEnumString(string_table,
                                            arraysize(string_table), value);
 }
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_UTILS_IMPLEMENTATION_AUTOGEN_H_