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

third_party/WebKit/Source/platform/graphics/gpu/Extensions3DUtil.cpp

Index: third_party/WebKit/Source/platform/graphics/gpu/Extensions3DUtil.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/gpu/Extensions3DUtil.cpp b/third_party/WebKit/Source/platform/graphics/gpu/Extensions3DUtil.cpp
index f83ab75087237c20b849a7fa9a1a9379da8aaea2..a35277046369c178a05d6fbf99b5113d7fa0705d 100644
--- a/third_party/WebKit/Source/platform/graphics/gpu/Extensions3DUtil.cpp
+++ b/third_party/WebKit/Source/platform/graphics/gpu/Extensions3DUtil.cpp
@@ -5,6 +5,8 @@
 #include "platform/graphics/gpu/Extensions3DUtil.h"
 
 #include "gpu/command_buffer/client/gles2_interface.h"
+#include "third_party/khronos/GLES2/gl2ext.h"
+#include "third_party/khronos/GLES3/gl3.h"
 #include "wtf/PtrUtil.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringHash.h"
@@ -79,8 +81,14 @@ bool Extensions3DUtil::canUseCopyTextureCHROMIUM(GLenum destTarget,
   // TODO(zmo): restriction of (RGB || RGBA)/UNSIGNED_BYTE/(Level 0) should be lifted when
   // GLES2Interface::CopyTextureCHROMIUM(...) are fully functional.
   if (destTarget == GL_TEXTURE_2D &&
-      (destFormat == GL_RGB || destFormat == GL_RGBA) &&
-      destType == GL_UNSIGNED_BYTE && !level)
+      ((destType == GL_UNSIGNED_BYTE &&
+        (destFormat == GL_RGB || destFormat == GL_RGBA)) ||
+       (destType == GL_FLOAT &&
+        ((destFormat == GL_RGBA &&
+          supportsExtension("GL_CHROMIUM_color_buffer_float_rgba")) ||
+         (destFormat == GL_RGB &&
+          supportsExtension("GL_CHROMIUM_color_buffer_float_rgb"))))) &&
+      !level)
     return true;
   return false;
 }