cc: Remove opaque flags from SharedQuadState and DrawQuad

cc/nine_patch_layer_impl.cc

 // Copyright 2012 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 "nine_patch_layer_impl.h"
 
 #include "base/stringprintf.h"
 #include "cc/quad_sink.h"
 #include "cc/texture_draw_quad.h"
 #include "ui/gfx/rect_f.h"
@@ skipping 65 matching lines @@
     // Patch positions in bitmap UV space (from zero to one)
     gfx::RectF uvTopLeft = normalizedRect(0, 0, leftWidth, topHeight, imgWidth, imgHeight);
     gfx::RectF uvTopRight = normalizedRect(imgWidth - rightWidth, 0, rightWidth, topHeight, imgWidth, imgHeight);
     gfx::RectF uvBottomLeft = normalizedRect(0, imgHeight - bottomHeight, leftWidth, bottomHeight, imgWidth, imgHeight);
     gfx::RectF uvBottomRight = normalizedRect(imgWidth - rightWidth, imgHeight - bottomHeight, rightWidth, bottomHeight, imgWidth, imgHeight);
     gfx::RectF uvTop(uvTopLeft.right(), 0, (imgWidth - leftWidth - rightWidth) / imgWidth, (topHeight) / imgHeight);
     gfx::RectF uvLeft(0, uvTopLeft.bottom(), leftWidth / imgWidth, (imgHeight - topHeight - bottomHeight) / imgHeight);
     gfx::RectF uvRight(uvTopRight.x(), uvTopRight.bottom(), rightWidth / imgWidth, uvLeft.height());
     gfx::RectF uvBottom(uvTop.x(), uvBottomLeft.y(), uvTop.width(), bottomHeight / imgHeight);
 
-    quadSink.append(TextureDrawQuad::create(sharedQuadState, topLeft, m_resourceId, premultipliedAlpha, uvTopLeft, flipped).PassAs<DrawQuad>(), appendQuadsData);
-    quadSink.append(TextureDrawQuad::create(sharedQuadState, topRight, m_resourceId, premultipliedAlpha, uvTopRight, flipped).PassAs<DrawQuad>(), appendQuadsData);
-    quadSink.append(TextureDrawQuad::create(sharedQuadState, bottomLeft, m_resourceId, premultipliedAlpha, uvBottomLeft, flipped).PassAs<DrawQuad>(), appendQuadsData);
-    quadSink.append(TextureDrawQuad::create(sharedQuadState, bottomRight, m_resourceId, premultipliedAlpha, uvBottomRight, flipped).PassAs<DrawQuad>(), appendQuadsData);
-    quadSink.append(TextureDrawQuad::create(sharedQuadState, top, m_resourceId, premultipliedAlpha, uvTop, flipped).PassAs<DrawQuad>(), appendQuadsData);
-    quadSink.append(TextureDrawQuad::create(sharedQuadState, left, m_resourceId, premultipliedAlpha, uvLeft, flipped).PassAs<DrawQuad>(), appendQuadsData);
-    quadSink.append(TextureDrawQuad::create(sharedQuadState, right, m_resourceId, premultipliedAlpha, uvRight, flipped).PassAs<DrawQuad>(), appendQuadsData);
-    quadSink.append(TextureDrawQuad::create(sharedQuadState, bottom, m_resourceId, premultipliedAlpha, uvBottom, flipped).PassAs<DrawQuad>(), appendQuadsData);
+    // Nothing is opaque here.
+    // TODO(danakj): Should we look at the SkBitmaps to determine opaqueness?
+    gfx::Rect opaqueRect;
+
+    quadSink.append(TextureDrawQuad::create(sharedQuadState, topLeft, opaqueRect, m_resourceId, premultipliedAlpha, uvTopLeft, flipped).PassAs<DrawQuad>(), appendQuadsData);
+    quadSink.append(TextureDrawQuad::create(sharedQuadState, topRight, opaqueRect, m_resourceId, premultipliedAlpha, uvTopRight, flipped).PassAs<DrawQuad>(), appendQuadsData);
+    quadSink.append(TextureDrawQuad::create(sharedQuadState, bottomLeft, opaqueRect, m_resourceId, premultipliedAlpha, uvBottomLeft, flipped).PassAs<DrawQuad>(), appendQuadsData);
+    quadSink.append(TextureDrawQuad::create(sharedQuadState, bottomRight, opaqueRect, m_resourceId, premultipliedAlpha, uvBottomRight, flipped).PassAs<DrawQuad>(), appendQuadsData);
+    quadSink.append(TextureDrawQuad::create(sharedQuadState, top, opaqueRect, m_resourceId, premultipliedAlpha, uvTop, flipped).PassAs<DrawQuad>(), appendQuadsData);
+    quadSink.append(TextureDrawQuad::create(sharedQuadState, left, opaqueRect, m_resourceId, premultipliedAlpha, uvLeft, flipped).PassAs<DrawQuad>(), appendQuadsData);
+    quadSink.append(TextureDrawQuad::create(sharedQuadState, right, opaqueRect, m_resourceId, premultipliedAlpha, uvRight, flipped).PassAs<DrawQuad>(), appendQuadsData);
+    quadSink.append(TextureDrawQuad::create(sharedQuadState, bottom, opaqueRect, m_resourceId, premultipliedAlpha, uvBottom, flipped).PassAs<DrawQuad>(), appendQuadsData);
 }
 
 void NinePatchLayerImpl::didDraw(ResourceProvider* resourceProvider)
 {
 }
 
 void NinePatchLayerImpl::didLoseContext()
 {
     m_resourceId = 0;
 }
 
 const char* NinePatchLayerImpl::layerTypeAsString() const
 {
     return "NinePatchLayer";
 }
 
 void NinePatchLayerImpl::dumpLayerProperties(std::string* str, int indent) const
 {
     str->append(indentString(indent));
     base::StringAppendF(str, "imageAperture: %s\n", m_imageAperture.ToString().c_str());
     LayerImpl::dumpLayerProperties(str, indent);
 }
 
 }