media: replace LUMINANCE_F16 by RG_88 for 9/10-bit h264 videos

cc/resources/resource_format.cc

 // Copyright 2013 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.
 
 #include "cc/resources/resource_format.h"
 
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 
 namespace cc {
 
 int BitsPerPixel(ResourceFormat format) {
   switch (format) {
     case BGRA_8888:
     case RGBA_8888:
       return 32;
     case RGBA_4444:
     case RGB_565:
+    case RG_88:
     case LUMINANCE_F16:
       return 16;
     case ALPHA_8:
     case LUMINANCE_8:
     case RED_8:
       return 8;
     case ETC1:
       return 4;
   }
   NOTREACHED();
   return 0;
 }
 
 GLenum GLDataType(ResourceFormat format) {
   DCHECK_LE(format, RESOURCE_FORMAT_MAX);
   static const GLenum format_gl_data_type[] = {
       GL_UNSIGNED_BYTE,           // RGBA_8888
       GL_UNSIGNED_SHORT_4_4_4_4,  // RGBA_4444
       GL_UNSIGNED_BYTE,           // BGRA_8888
       GL_UNSIGNED_BYTE,           // ALPHA_8
       GL_UNSIGNED_BYTE,           // LUMINANCE_8
       GL_UNSIGNED_SHORT_5_6_5,    // RGB_565,
       GL_UNSIGNED_BYTE,           // ETC1
       GL_UNSIGNED_BYTE,           // RED_8
+      GL_UNSIGNED_BYTE,           // RG_88
       GL_HALF_FLOAT_OES,          // LUMINANCE_F16
   };
   static_assert(arraysize(format_gl_data_type) == (RESOURCE_FORMAT_MAX + 1),
                 "format_gl_data_type does not handle all cases.");
 
   return format_gl_data_type[format];
 }
 
 GLenum GLDataFormat(ResourceFormat format) {
   DCHECK_LE(format, RESOURCE_FORMAT_MAX);
   static const GLenum format_gl_data_format[] = {
       GL_RGBA,           // RGBA_8888
       GL_RGBA,           // RGBA_4444
       GL_BGRA_EXT,       // BGRA_8888
       GL_ALPHA,          // ALPHA_8
       GL_LUMINANCE,      // LUMINANCE_8
       GL_RGB,            // RGB_565
       GL_ETC1_RGB8_OES,  // ETC1
       GL_RED_EXT,        // RED_8
+      GL_RG_EXT,         // RG_88
       GL_LUMINANCE,      // LUMINANCE_F16
   };
   static_assert(arraysize(format_gl_data_format) == (RESOURCE_FORMAT_MAX + 1),
                 "format_gl_data_format does not handle all cases.");
   return format_gl_data_format[format];
 }
 
 GLenum GLInternalFormat(ResourceFormat format) {
   // In GLES2, the internal format must match the texture format. (It no longer
   // is true in GLES3, however it still holds for the BGRA extension.)
-  return GLDataFormat(format);
+  DCHECK_LE(format, RESOURCE_FORMAT_MAX);
+  static const GLenum internal_format_gl_data_format[] = {
+      GL_RGBA,           // RGBA_8888
+      GL_RGBA,           // RGBA_4444
+      GL_BGRA_EXT,       // BGRA_8888
+      GL_ALPHA,          // ALPHA_8
+      GL_LUMINANCE,      // LUMINANCE_8
+      GL_RGB,            // RGB_565
+      GL_ETC1_RGB8_OES,  // ETC1
+      GL_R8_EXT,         // RED_8
+      GL_RG8_EXT,        // RG_88
+      GL_LUMINANCE,      // LUMINANCE_F16
+  };
+  static_assert(
+      arraysize(internal_format_gl_data_format) == (RESOURCE_FORMAT_MAX + 1),
+      "internal_format_gl_data_format does not handle all cases.");
+  return internal_format_gl_data_format[format];
 }
 
 GLenum GLCopyTextureInternalFormat(ResourceFormat format) {
   // In GLES2, valid formats for glCopyTexImage2D are: GL_ALPHA, GL_LUMINANCE,
   // GL_LUMINANCE_ALPHA, GL_RGB, or GL_RGBA.
   // Extensions typically used for glTexImage2D do not also work for
   // glCopyTexImage2D. For instance GL_BGRA_EXT may not be used for
   // anything but gl(Sub)TexImage2D:
   // https://www.khronos.org/registry/gles/extensions/EXT/EXT_texture_format_BGRA8888.txt
   DCHECK_LE(format, RESOURCE_FORMAT_MAX);
   static const GLenum format_gl_data_format[] = {
       GL_RGBA,       // RGBA_8888
       GL_RGBA,       // RGBA_4444
       GL_RGBA,       // BGRA_8888
       GL_ALPHA,      // ALPHA_8
       GL_LUMINANCE,  // LUMINANCE_8
       GL_RGB,        // RGB_565
       GL_RGB,        // ETC1
-      GL_LUMINANCE,  // RED_8
+      GL_R8_EXT,     // RED_8
+      GL_RG8_EXT,    // RG_88:
       GL_LUMINANCE,  // LUMINANCE_F16
   };
   static_assert(arraysize(format_gl_data_format) == (RESOURCE_FORMAT_MAX + 1),
                 "format_gl_data_format does not handle all cases.");
   return format_gl_data_format[format];
 }
 
 gfx::BufferFormat BufferFormat(ResourceFormat format) {
   switch (format) {
     case BGRA_8888:
       return gfx::BufferFormat::BGRA_8888;
     case RED_8:
       return gfx::BufferFormat::R_8;
+    case RG_88:
+      return gfx::BufferFormat::RG_88;
     case RGBA_4444:
       return gfx::BufferFormat::RGBA_4444;
     case RGBA_8888:
       return gfx::BufferFormat::RGBA_8888;
     case ETC1:
       return gfx::BufferFormat::ETC1;
     case ALPHA_8:
     case LUMINANCE_8:
     case RGB_565:
     case LUMINANCE_F16:
@@ skipping 11 matching lines @@
   switch (format) {
     case RGBA_4444:
     case RGBA_8888:
     case BGRA_8888:
     case ALPHA_8:
       return true;
     case LUMINANCE_8:
     case RGB_565:
     case ETC1:
     case RED_8:
+    case RG_88:
     case LUMINANCE_F16:
       return false;
   }
   NOTREACHED();
   return false;
 }
 
 }  // namespace cc