cc: Remove opaque flags from SharedQuadState and DrawQuad

cc/video_layer_impl.cc

 // Copyright 2011 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 "cc/video_layer_impl.h"
 
 #include "base/logging.h"
 #include "cc/io_surface_draw_quad.h"
 #include "cc/layer_tree_host_impl.h"
 #include "cc/quad_sink.h"
@@ skipping 182 matching lines @@
     if (!m_frame)
         return;
 
     SharedQuadState* sharedQuadState = quadSink.useSharedQuadState(createSharedQuadState());
     appendDebugBorderQuad(quadSink, sharedQuadState, appendQuadsData);
 
     // FIXME: When we pass quads out of process, we need to double-buffer, or
     // otherwise synchonize use of all textures in the quad.
 
     gfx::Rect quadRect(gfx::Point(), contentBounds());
+    gfx::Rect opaqueRect(contentsOpaque() ? quadRect : gfx::Rect());
     gfx::Rect visibleRect = m_frame->visible_rect();
     gfx::Size codedSize = m_frame->coded_size();
 
     // pixels for macroblocked formats.
     const float texWidthScale =
         static_cast<float>(visibleRect.width()) / codedSize.width();
     const float texHeightScale =
         static_cast<float>(visibleRect.height()) / codedSize.height();
 
     switch (m_format) {
     case GL_LUMINANCE: {
         // YUV software decoder.
         const FramePlane& yPlane = m_framePlanes[media::VideoFrame::kYPlane];
         const FramePlane& uPlane = m_framePlanes[media::VideoFrame::kUPlane];
         const FramePlane& vPlane = m_framePlanes[media::VideoFrame::kVPlane];
         gfx::SizeF texScale(texWidthScale, texHeightScale);
         scoped_ptr<YUVVideoDrawQuad> yuvVideoQuad = YUVVideoDrawQuad::create(
-            sharedQuadState, quadRect, texScale, yPlane, uPlane, vPlane);
+            sharedQuadState, quadRect, opaqueRect, texScale, yPlane, uPlane, vPlane);
         quadSink.append(yuvVideoQuad.PassAs<DrawQuad>(), appendQuadsData);
         break;
     }
     case GL_RGBA: {
         // RGBA software decoder.
         const FramePlane& plane = m_framePlanes[media::VideoFrame::kRGBPlane];
         bool premultipliedAlpha = true;
         gfx::RectF uvRect(0, 0, texWidthScale, texHeightScale);
         bool flipped = false;
-        scoped_ptr<TextureDrawQuad> textureQuad = TextureDrawQuad::create(sharedQuadState, quadRect, plane.resourceId, premultipliedAlpha, uvRect, flipped);
+        scoped_ptr<TextureDrawQuad> textureQuad = TextureDrawQuad::create(sharedQuadState, quadRect, opaqueRect, plane.resourceId, premultipliedAlpha, uvRect, flipped);
         quadSink.append(textureQuad.PassAs<DrawQuad>(), appendQuadsData);
         break;
     }
     case GL_TEXTURE_2D: {
         // NativeTexture hardware decoder.
         bool premultipliedAlpha = true;
         gfx::RectF uvRect(0, 0, texWidthScale, texHeightScale);
         bool flipped = false;
-        scoped_ptr<TextureDrawQuad> textureQuad = TextureDrawQuad::create(sharedQuadState, quadRect, m_externalTextureResource, premultipliedAlpha, uvRect, flipped);
+        scoped_ptr<TextureDrawQuad> textureQuad = TextureDrawQuad::create(sharedQuadState, quadRect, opaqueRect, m_externalTextureResource, premultipliedAlpha, uvRect, flipped);
         quadSink.append(textureQuad.PassAs<DrawQuad>(), appendQuadsData);
         break;
     }
     case GL_TEXTURE_RECTANGLE_ARB: {
         gfx::Size visibleSize(visibleRect.width(), visibleRect.height());
-        scoped_ptr<IOSurfaceDrawQuad> ioSurfaceQuad = IOSurfaceDrawQuad::create(sharedQuadState, quadRect, visibleSize, m_frame->texture_id(), IOSurfaceDrawQuad::Unflipped);
+        scoped_ptr<IOSurfaceDrawQuad> ioSurfaceQuad = IOSurfaceDrawQuad::create(sharedQuadState, quadRect, opaqueRect, visibleSize, m_frame->texture_id(), IOSurfaceDrawQuad::Unflipped);
         quadSink.append(ioSurfaceQuad.PassAs<DrawQuad>(), appendQuadsData);
         break;
     }
     case GL_TEXTURE_EXTERNAL_OES: {
         // StreamTexture hardware decoder.
         WebKit::WebTransformationMatrix transform(m_streamTextureMatrix);
         transform.scaleNonUniform(texWidthScale, texHeightScale);
         scoped_ptr<StreamVideoDrawQuad> streamVideoQuad =
-            StreamVideoDrawQuad::create(sharedQuadState, quadRect,
+            StreamVideoDrawQuad::create(sharedQuadState, quadRect, opaqueRect,
                                         m_frame->texture_id(),
                                         transform);
         quadSink.append(streamVideoQuad.PassAs<DrawQuad>(), appendQuadsData);
         break;
     }
     default:
         NOTREACHED();  // Someone updated convertVFCFormatToGLenum above but update this!
         break;
     }
 }
@@ skipping 150 matching lines @@
 {
     layerTreeHostImpl()->setNeedsRedraw();
 }
 
 const char* VideoLayerImpl::layerTypeAsString() const
 {
     return "VideoLayer";
 }
 
 }  // namespace cc