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/buffer_format_util.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 {
+
+template <BufferFormat format>
+class GLImageIOSurface420vTestDelegate {

[reveman, 2015/11/03 02:44:34]

nit: s/GLImageIOSurface420vTestDelegate/GLImageIOSurfaceTestDelegate/

[Daniele Castagna, 2015/11/04 20:41:33]

Done.

+ 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));

[reveman, 2015/11/03 02:47:18]

nit: GL_RGB_YCBCR_420V_CHROMIUM is not correct if format is *GBA_8888.

[Daniele Castagna, 2015/11/04 20:41:33]

Done.

+    IOSurfaceRef surface_ref = IOSurfaceManager::CreateIOSurface(size, format);
+    IOReturn status = IOSurfaceLock(surface_ref, 0, nullptr);
+    EXPECT_NE(status, kIOReturnCannotLock);
+    for (size_t plane = 0; plane < NumberOfPlanesForBufferFormat(format);
+         ++plane) {
+      void* data = IOSurfaceGetBaseAddressOfPlane(surface_ref, plane);
+      GLImageTestSupport::SetBufferDataToColor(
+          size.width(), size.height(),
+          IOSurfaceGetBytesPerRowOfPlane(surface_ref, plane), plane, format,
+          color, static_cast<uint8_t*>(data));
+    }
+    IOSurfaceUnlock(surface_ref, 0, nullptr);
+
+    bool rv = image->Initialize(surface_ref, GenericSharedMemoryId(1), format);
+    EXPECT_TRUE(rv);
+
+    return image;
+  }
+};
+
+using GLImageTestTypes = testing::Types<
+    GLImageIOSurface420vTestDelegate<BufferFormat::RGBA_8888>,
+    GLImageIOSurface420vTestDelegate<BufferFormat::BGRA_8888>,
+    GLImageIOSurface420vTestDelegate<BufferFormat::YUV_420_BIPLANAR>>;
+
+INSTANTIATE_TYPED_TEST_CASE_P(GLImageIOSurface, GLImageTest, GLImageTestTypes);
+
+INSTANTIATE_TYPED_TEST_CASE_P(
+    GLImageIOSurface,
+    GLImageCopyTest,
+    GLImageIOSurface420vTestDelegate<BufferFormat::YUV_420_BIPLANAR>);
+
+}  // namespace
+}  // namespace gfx