16 bpp video stream capture, render and WebGL usage - Realsense R200 & SR300 support.

cc/resources/resource_format.cc

Index: cc/resources/resource_format.cc
diff --git a/cc/resources/resource_format.cc b/cc/resources/resource_format.cc
index 2d139ab5c0465e910b289844893c6acb63a3653f..1c4004906c4012b9cd57ec6513dd0cf0c7a01a18 100644
--- a/cc/resources/resource_format.cc
+++ b/cc/resources/resource_format.cc
@@ -18,6 +18,7 @@ int BitsPerPixel(ResourceFormat format) {
     case RGBA_4444:
     case RGB_565:
     case LUMINANCE_F16:
+    case RG_88:
       return 16;
     case ALPHA_8:
     case LUMINANCE_8:
@@ -42,6 +43,7 @@ GLenum GLDataType(ResourceFormat format) {
       GL_UNSIGNED_BYTE,           // ETC1
       GL_UNSIGNED_BYTE,           // RED_8
       GL_HALF_FLOAT_OES,          // LUMINANCE_F16
+      GL_UNSIGNED_BYTE,           // RG_88
   };
   static_assert(arraysize(format_gl_data_type) == (RESOURCE_FORMAT_MAX + 1),
                 "format_gl_data_type does not handle all cases.");
@@ -61,6 +63,7 @@ GLenum GLDataFormat(ResourceFormat format) {
       GL_ETC1_RGB8_OES,  // ETC1
       GL_RED_EXT,        // RED_8
       GL_LUMINANCE,      // LUMINANCE_F16
+      GL_RG_EXT,         // RG_88
   };
   static_assert(arraysize(format_gl_data_format) == (RESOURCE_FORMAT_MAX + 1),
                 "format_gl_data_format does not handle all cases.");
@@ -91,6 +94,7 @@ GLenum GLCopyTextureInternalFormat(ResourceFormat format) {
       GL_RGB,        // ETC1
       GL_LUMINANCE,  // RED_8
       GL_LUMINANCE,  // LUMINANCE_F16
+      GL_RG8_EXT,    // RG_88
   };
   static_assert(arraysize(format_gl_data_format) == (RESOURCE_FORMAT_MAX + 1),
                 "format_gl_data_format does not handle all cases.");
@@ -103,6 +107,8 @@ gfx::BufferFormat BufferFormat(ResourceFormat format) {
       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:
@@ -135,6 +141,7 @@ bool DoesResourceFormatSupportAlpha(ResourceFormat format) {
     case ETC1:
     case RED_8:
     case LUMINANCE_F16:
+    case RG_88:
       return false;
   }
   NOTREACHED();