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/gl/gl_image_io_surface.h"
+#include "ui/gl/test/gl_image_test_template.h"
+
+namespace gfx {
+namespace {
+void AddIntegerValue(CFMutableDictionaryRef dictionary,
+                     const CFStringRef key,
+                     int32 value) {
+  base::ScopedCFTypeRef<CFNumberRef> number(
+      CFNumberCreate(NULL, kCFNumberSInt32Type, &value));
+  CFDictionaryAddValue(dictionary, key, number.get());
+}
+
+IOSurfaceRef CreateIOSurface(const Size& size) {
+  size_t num_planes = 2;
+  base::ScopedCFTypeRef<CFMutableArrayRef> planes(CFArrayCreateMutable(
+      kCFAllocatorDefault, num_planes, &kCFTypeArrayCallBacks));
+
+  base::ScopedCFTypeRef<CFMutableDictionaryRef> plane_y(
+      CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
+                                &kCFTypeDictionaryKeyCallBacks,
+                                &kCFTypeDictionaryValueCallBacks));
+  AddIntegerValue(plane_y, kIOSurfacePlaneWidth, size.width());
+  AddIntegerValue(plane_y, kIOSurfacePlaneHeight, size.height());
+  AddIntegerValue(plane_y, kIOSurfacePlaneBytesPerElement, 1);
+  CFArrayAppendValue(planes, plane_y);
+
+  base::ScopedCFTypeRef<CFMutableDictionaryRef> plane_uv(
+      CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
+                                &kCFTypeDictionaryKeyCallBacks,
+                                &kCFTypeDictionaryValueCallBacks));
+  AddIntegerValue(plane_uv, kIOSurfacePlaneWidth, size.width() / 2);
+  AddIntegerValue(plane_uv, kIOSurfacePlaneHeight, size.height() / 2);
+  AddIntegerValue(plane_uv, kIOSurfacePlaneBytesPerElement, 2);
+  CFArrayAppendValue(planes, plane_uv);
+
+  base::ScopedCFTypeRef<CFMutableDictionaryRef> properties(
+      CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
+                                &kCFTypeDictionaryKeyCallBacks,
+                                &kCFTypeDictionaryValueCallBacks));
+  AddIntegerValue(properties, kIOSurfaceWidth, size.width());
+  AddIntegerValue(properties, kIOSurfaceHeight, size.height());
+  AddIntegerValue(properties, kIOSurfacePixelFormat, '420v');
+  CFDictionaryAddValue(properties, kIOSurfacePlaneInfo, planes);
+
+  return IOSurfaceCreate(properties);
+}
+
+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 = CreateIOSurface(size);
+    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);
+    uint8_t* data[] = {static_cast<uint8_t*>(y_data),
+                       static_cast<uint8_t*>(uv_data)};
+    int strides[] = {IOSurfaceGetBytesPerRowOfPlane(surface_ref, 0),
+                     IOSurfaceGetBytesPerRowOfPlane(surface_ref, 1)};
+
+    GLImageTestSupport::SetBufferDataToColor(
+        size.width(), size.height(), strides, BufferFormat::YUV_420_BIPLANAR,
+        color, 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