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

ui/ozone/gl/gl_image_ozone_native_pixmap.cc

Index: ui/ozone/gl/gl_image_ozone_native_pixmap.cc
diff --git a/ui/ozone/gl/gl_image_ozone_native_pixmap.cc b/ui/ozone/gl/gl_image_ozone_native_pixmap.cc
index 39f23a0bed64969c1ad356b3d42ffc988515143f..9dfc484a6d3391060272430ceb2af480d0297b63 100644
--- a/ui/ozone/gl/gl_image_ozone_native_pixmap.cc
+++ b/ui/ozone/gl/gl_image_ozone_native_pixmap.cc
@@ -14,6 +14,7 @@
    (static_cast<uint32_t>(c) << 16) | (static_cast<uint32_t>(d) << 24))
 
 #define DRM_FORMAT_R8 FOURCC('R', '8', ' ', ' ')
+#define DRM_FORMAT_GR88 FOURCC('G', 'R', '8', '8')
 #define DRM_FORMAT_RGB565 FOURCC('R', 'G', '1', '6')
 #define DRM_FORMAT_ARGB8888 FOURCC('A', 'R', '2', '4')
 #define DRM_FORMAT_ABGR8888 FOURCC('A', 'B', '2', '4')
@@ -38,6 +39,8 @@ bool ValidInternalFormat(unsigned internalformat, gfx::BufferFormat format) {
       return format == gfx::BufferFormat::BGRA_8888;
     case GL_RED_EXT:
       return format == gfx::BufferFormat::R_8;
+    case GL_RG_EXT:
+      return format == gfx::BufferFormat::RG_88;
     default:
       return false;
   }
@@ -46,6 +49,7 @@ bool ValidInternalFormat(unsigned internalformat, gfx::BufferFormat format) {
 bool ValidFormat(gfx::BufferFormat format) {
   switch (format) {
     case gfx::BufferFormat::R_8:
+    case gfx::BufferFormat::RG_88:
     case gfx::BufferFormat::BGR_565:
     case gfx::BufferFormat::RGBA_8888:
     case gfx::BufferFormat::RGBX_8888:
@@ -72,6 +76,8 @@ EGLint FourCC(gfx::BufferFormat format) {
   switch (format) {
     case gfx::BufferFormat::R_8:
       return DRM_FORMAT_R8;
+    case gfx::BufferFormat::RG_88:
+      return DRM_FORMAT_GR88;
     case gfx::BufferFormat::BGR_565:
       return DRM_FORMAT_RGB565;
     case gfx::BufferFormat::RGBA_8888:
@@ -239,6 +245,8 @@ unsigned GLImageOzoneNativePixmap::GetInternalFormatForTesting(
   switch (format) {
     case gfx::BufferFormat::R_8:
       return GL_RED_EXT;
+    case gfx::BufferFormat::RG_88:
+      return GL_RG_EXT;
     case gfx::BufferFormat::BGR_565:
     case gfx::BufferFormat::RGBX_8888:
     case gfx::BufferFormat::BGRX_8888: