Adding support for per vertex opacity on textured layer

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 "base/values.h"
 #include "cc/quad_sink.h"
 #include "cc/texture_draw_quad.h"
@@ skipping 90 matching lines @@
     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);
 
     // Nothing is opaque here.
     // TODO(danakj): Should we look at the SkBitmaps to determine opaqueness?
     gfx::Rect opaqueRect;
+    const float vertex_opacity[] = {1, 1, 1, 1};
     scoped_ptr<TextureDrawQuad> quad;
 
     quad = TextureDrawQuad::Create();
-    quad->SetNew(sharedQuadState, topLeft, opaqueRect, m_resourceId, premultipliedAlpha, uvTopLeft, flipped);
+    quad->SetNew(sharedQuadState, topLeft, opaqueRect, m_resourceId, premultipliedAlpha, uvTopLeft, vertex_opacity, flipped);
     quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData);
 
     quad = TextureDrawQuad::Create();
-    quad->SetNew(sharedQuadState, topRight, opaqueRect, m_resourceId, premultipliedAlpha, uvTopRight, flipped);
+    quad->SetNew(sharedQuadState, topRight, opaqueRect, m_resourceId, premultipliedAlpha, uvTopRight, vertex_opacity, flipped);
     quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData);
 
     quad = TextureDrawQuad::Create();
-    quad->SetNew(sharedQuadState, bottomLeft, opaqueRect, m_resourceId, premultipliedAlpha, uvBottomLeft, flipped);
+    quad->SetNew(sharedQuadState, bottomLeft, opaqueRect, m_resourceId, premultipliedAlpha, uvBottomLeft, vertex_opacity, flipped);
     quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData);
 
     quad = TextureDrawQuad::Create();
-    quad->SetNew(sharedQuadState, bottomRight, opaqueRect, m_resourceId, premultipliedAlpha, uvBottomRight, flipped);
+    quad->SetNew(sharedQuadState, bottomRight, opaqueRect, m_resourceId, premultipliedAlpha, uvBottomRight, vertex_opacity, flipped);
     quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData);
 
     quad = TextureDrawQuad::Create();
-    quad->SetNew(sharedQuadState, top, opaqueRect, m_resourceId, premultipliedAlpha, uvTop, flipped);
+    quad->SetNew(sharedQuadState, top, opaqueRect, m_resourceId, premultipliedAlpha, uvTop, vertex_opacity, flipped);
     quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData);
 
     quad = TextureDrawQuad::Create();
-    quad->SetNew(sharedQuadState, left, opaqueRect, m_resourceId, premultipliedAlpha, uvLeft, flipped);
+    quad->SetNew(sharedQuadState, left, opaqueRect, m_resourceId, premultipliedAlpha, uvLeft, vertex_opacity, flipped);
     quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData);
 
     quad = TextureDrawQuad::Create();
-    quad->SetNew(sharedQuadState, right, opaqueRect, m_resourceId, premultipliedAlpha, uvRight, flipped);
+    quad->SetNew(sharedQuadState, right, opaqueRect, m_resourceId, premultipliedAlpha, uvRight, vertex_opacity, flipped);
     quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData);
 
     quad = TextureDrawQuad::Create();
-    quad->SetNew(sharedQuadState, bottom, opaqueRect, m_resourceId, premultipliedAlpha, uvBottom, flipped);
+    quad->SetNew(sharedQuadState, bottom, opaqueRect, m_resourceId, premultipliedAlpha, uvBottom, vertex_opacity, flipped);
     quadSink.append(quad.PassAs<DrawQuad>(), appendQuadsData);
 }
 
 void NinePatchLayerImpl::didDraw(ResourceProvider* resourceProvider)
 {
 }
 
 void NinePatchLayerImpl::didLoseOutputSurface()
 {
     m_resourceId = 0;
@@ skipping 19 matching lines @@
     list->AppendInteger(m_imageAperture.origin().x());
     list->AppendInteger(m_imageAperture.origin().y());
     list->AppendInteger(m_imageAperture.size().width());
     list->AppendInteger(m_imageAperture.size().height());
     result->Set("ImageAperture", list);
 
     return result;
 }
 
 }