cc: Add support for debugging layer borders directly in the compositor

cc/tiled_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/tiled_layer_impl.h"
 
 #include "base/basictypes.h"
 #include "base/stringprintf.h"
 #include "cc/append_quads_data.h"
 #include "cc/checkerboard_draw_quad.h"
@@ skipping 96 matching lines @@
 }
 
 DrawableTile* TiledLayerImpl::createTile(int i, int j)
 {
     scoped_ptr<DrawableTile> tile(DrawableTile::create());
     DrawableTile* addedTile = tile.get();
     m_tiler->addTile(tile.PassAs<LayerTilingData::Tile>(), i, j);
     return addedTile;
 }
 
+void TiledLayerImpl::getDebugBorderProperties(SkColor* color, float* width) const
+{
+    // Tiled content layers are orange.
+    *color = SkColorSetARGBInline(128, 255, 128, 0);
+    *width = 2;
+}
+
 void TiledLayerImpl::appendQuads(QuadSink& quadSink, AppendQuadsData& appendQuadsData)
 {
     const gfx::Rect& contentRect = visibleContentRect();
 
     if (!m_tiler || m_tiler->hasEmptyBounds() || contentRect.IsEmpty())
         return;
 
     SharedQuadState* sharedQuadState = quadSink.useSharedQuadState(createSharedQuadState());
     appendDebugBorderQuad(quadSink, sharedQuadState, appendQuadsData);
 
     int left, top, right, bottom;
     m_tiler->contentRectToTileIndices(contentRect, left, top, right, bottom);
 
-    if (hasDebugBorders()) {
+    if (showDebugBorders()) {
         for (int j = top; j <= bottom; ++j) {
             for (int i = left; i <= right; ++i) {
                 DrawableTile* tile = tileAt(i, j);
                 gfx::Rect tileRect = m_tiler->tileBounds(i, j);
                 SkColor borderColor;
 
                 if (m_skipsDraw || !tile || !tile->resourceId())
                     borderColor = SkColorSetARGB(debugTileBorderAlpha, debugTileBorderMissingTileColorRed, debugTileBorderMissingTileColorGreen, debugTileBorderMissingTileColorBlue);
                 else
                     borderColor = SkColorSetARGB(debugTileBorderAlpha, debugTileBorderColorRed, debugTileBorderColorGreen, debugTileBorderColorBlue);
@@ skipping 16 matching lines @@
             if (tileRect.IsEmpty())
                 continue;
 
             if (!tile || !tile->resourceId()) {
                 if (drawCheckerboardForMissingTiles()) {
                     SkColor defaultColor = SkColorSetRGB(defaultCheckerboardColorRed, defaultCheckerboardColorGreen, defaultCheckerboardColorBlue);
                     SkColor evictedColor = SkColorSetRGB(debugTileEvictedCheckerboardColorRed, debugTileEvictedCheckerboardColorGreen, debugTileEvictedCheckerboardColorBlue);
                     SkColor invalidatedColor = SkColorSetRGB(debugTileInvalidatedCheckerboardColorRed, debugTileEvictedCheckerboardColorGreen, debugTileEvictedCheckerboardColorBlue);
 
                     SkColor checkerColor;
-                    if (hasDebugBorders())
+                    if (showDebugBorders())
                         checkerColor = tile ? invalidatedColor : evictedColor;
                     else
                         checkerColor = defaultColor;
 
                     appendQuadsData.hadMissingTiles |= quadSink.append(CheckerboardDrawQuad::create(sharedQuadState, tileRect, checkerColor).PassAs<DrawQuad>(), appendQuadsData);
                 } else
                     appendQuadsData.hadMissingTiles |= quadSink.append(SolidColorDrawQuad::create(sharedQuadState, tileRect, backgroundColor()).PassAs<DrawQuad>(), appendQuadsData);
                 continue;
             }
 
@@ skipping 65 matching lines @@
 {
     m_tiler->reset();
 }
 
 const char* TiledLayerImpl::layerTypeAsString() const
 {
     return "ContentLayer";
 }
 
 }  // namespace cc