gl, ozone: enable GLImageBindTest unittests

ui/gl/gl_utils.cc

Index: ui/gl/gl_utils.cc
diff --git a/ui/gl/gl_utils.cc b/ui/gl/gl_utils.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6e74c363c332a6c7b3096ba543fe8bf94e2b2f20
--- /dev/null
+++ b/ui/gl/gl_utils.cc
@@ -0,0 +1,44 @@
+// Copyright 2015 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 "ui/gl/gl_utils.h"
+
+#include "ui/gl/gl_bindings.h"
+
+namespace gl {
+
+GLenum GetTextureFormatFrom(gfx::BufferFormat format) {
+  switch (format) {
+    case gfx::BufferFormat::ATC:
+      return GL_ATC_RGB_AMD;
+    case gfx::BufferFormat::ATCIA:
+      return GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD;
+    case gfx::BufferFormat::DXT1:
+      return GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
+    case gfx::BufferFormat::DXT5:
+      return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
+    case gfx::BufferFormat::ETC1:
+      return GL_ETC1_RGB8_OES;
+    case gfx::BufferFormat::R_8:
+      return GL_RED;
+    case gfx::BufferFormat::RGBA_4444:
+    case gfx::BufferFormat::RGBA_8888:
+      return GL_RGBA;
+    case gfx::BufferFormat::BGRA_8888:
+      return GL_BGRA_EXT;
+    case gfx::BufferFormat::RGBX_8888:
+    case gfx::BufferFormat::BGRX_8888:
+      return GL_RGB;
+    case gfx::BufferFormat::YUV_420:
+    case gfx::BufferFormat::YUV_420_BIPLANAR:
+    case gfx::BufferFormat::UYVY_422:
+      NOTREACHED();
+      return 0;
+  }
+
+  NOTREACHED();
+  return 0;
+}
+
+}  // namespace ui