gpu: Add YCbCr 420v extension.

ui/gl/gl_image_io_surface_unittest.cc

+// 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 "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/mac/io_surface_manager.h"
+#include "ui/gl/gl_image_io_surface.h"
+#include "ui/gl/test/gl_image_test_template.h"
+
+namespace gfx {
+namespace {
+
+class GLImageIOSurface420vTestDelegate {
+ public:
+  scoped_refptr<gl::GLImage> CreateSolidColorImage(
+      const Size& size,
+      const uint8_t color[4]) const {
+    scoped_refptr<gl::GLImageIOSurface> image(
+        new gl::GLImageIOSurface(size, GL_RGB_YCBCR_420V_CHROMIUM));
+    IOSurfaceRef surface_ref =
+        IOSurfaceManager::CreateIOSurface(size, BufferFormat::YUV_420_BIPLANAR);
+    IOReturn status = IOSurfaceLock(surface_ref, 0, nullptr);
+    EXPECT_NE(status, kIOReturnCannotLock);
+    void* y_data = IOSurfaceGetBaseAddressOfPlane(surface_ref, 0);
+    void* uv_data = IOSurfaceGetBaseAddressOfPlane(surface_ref, 1);
+
+    GLImageTestSupport::SetBufferDataToColor(
+        size.width(), size.height(),
+        IOSurfaceGetBytesPerRowOfPlane(surface_ref, 0), 0,
+        BufferFormat::YUV_420_BIPLANAR, color, static_cast<uint8_t*>(y_data));
+    GLImageTestSupport::SetBufferDataToColor(
+        size.width(), size.height(),
+        IOSurfaceGetBytesPerRowOfPlane(surface_ref, 1), 1,
+        BufferFormat::YUV_420_BIPLANAR, color, static_cast<uint8_t*>(uv_data));
+    IOSurfaceUnlock(surface_ref, 0, nullptr);
+
+    bool rv = image->Initialize(surface_ref, GenericSharedMemoryId(1),
+                                BufferFormat::YUV_420_BIPLANAR);
+    EXPECT_TRUE(rv);
+
+    return image;
+  }
+};
+
+INSTANTIATE_TYPED_TEST_CASE_P(GLImageIOSurface,
+                              GLImageTest,
+                              GLImageIOSurface420vTestDelegate);
+
+INSTANTIATE_TYPED_TEST_CASE_P(GLImageIOSurface,
+                              GLImageCopyTest,
+                              GLImageIOSurface420vTestDelegate);
+
+}  // namespace
+}  // namespace gfx