Added: trunk/Source/WebKit/chromium/tests/CCTiledLayerImplTest.cpp (0 => 104176)
--- trunk/Source/WebKit/chromium/tests/CCTiledLayerImplTest.cpp (rev 0)
+++ trunk/Source/WebKit/chromium/tests/CCTiledLayerImplTest.cpp 2012-01-05 18:26:36 UTC (rev 104176)
@@ -0,0 +1,256 @@
+/*
+ * Copyright (C) 2012 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "cc/CCTiledLayerImpl.h"
+
+#include "Region.h"
+#include "cc/CCSingleThreadProxy.h"
+#include "cc/CCTileDrawQuad.h"
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+using namespace WebCore;
+
+namespace {
+
+// Create a default tiled layer with textures for all tiles and a default
+// visibility of the entire layer size.
+static PassRefPtr<CCTiledLayerImpl> createLayer(const IntSize& tileSize, const IntSize& layerSize, CCLayerTilingData::BorderTexelOption borderTexels)
+{
+ RefPtr<CCTiledLayerImpl> layer = CCTiledLayerImpl::create(0);
+ OwnPtr<CCLayerTilingData> tiler = CCLayerTilingData::create(tileSize, borderTexels);
+ tiler->setBounds(layerSize);
+ layer->setTilingData(*tiler);
+ layer->setSkipsDraw(false);
+ layer->setVisibleLayerRect(IntRect(IntPoint(), layerSize));
+
+ int textureId = 1;
+ for (int i = 0; i < tiler->numTilesX(); ++i)
+ for (int j = 0; j < tiler->numTilesY(); ++j)
+ layer->syncTextureId(i, j, static_cast<Platform3DObject>(textureId++));
+
+ return layer.release();
+}
+
+TEST(CCTiledLayerImplTest, emptyQuadList)
+{
+ DebugScopedSetImplThread scopedImplThread;
+
+ const IntSize tileSize(90, 90);
+ const int numTilesX = 8;
+ const int numTilesY = 4;
+ const IntSize layerSize(tileSize.width() * numTilesX, tileSize.height() * numTilesY);
+
+ // Verify default layer does creates quads
+ {
+ RefPtr<CCTiledLayerImpl> layer = createLayer(tileSize, layerSize, CCLayerTilingData::NoBorderTexels);
+ CCQuadList quads;
+ OwnPtr<CCSharedQuadState> sharedQuadState = layer->createSharedQuadState();
+ layer->appendQuads(quads, sharedQuadState.get());
+ const unsigned numTiles = numTilesX * numTilesY;
+ EXPECT_EQ(quads.size(), numTiles);
+ }
+
+ // Layer with empty visible layer rect produces no quads
+ {
+ RefPtr<CCTiledLayerImpl> layer = createLayer(tileSize, layerSize, CCLayerTilingData::NoBorderTexels);
+ layer->setVisibleLayerRect(IntRect());
+
+ CCQuadList quads;
+ OwnPtr<CCSharedQuadState> sharedQuadState = layer->createSharedQuadState();
+ layer->appendQuads(quads, sharedQuadState.get());
+ EXPECT_EQ(quads.size(), 0u);
+ }
+
+ // Layer with non-intersecting visible layer rect produces no quads
+ {
+ RefPtr<CCTiledLayerImpl> layer = createLayer(tileSize, layerSize, CCLayerTilingData::NoBorderTexels);
+
+ IntRect outsideBounds(IntPoint(-100, -100), IntSize(50, 50));
+ layer->setVisibleLayerRect(outsideBounds);
+
+ CCQuadList quads;
+ OwnPtr<CCSharedQuadState> sharedQuadState = layer->createSharedQuadState();
+ layer->appendQuads(quads, sharedQuadState.get());
+ EXPECT_EQ(quads.size(), 0u);
+ }
+
+ // Layer with skips draw produces no quads
+ {
+ RefPtr<CCTiledLayerImpl> layer = createLayer(tileSize, layerSize, CCLayerTilingData::NoBorderTexels);
+ layer->setSkipsDraw(true);
+
+ CCQuadList quads;
+ OwnPtr<CCSharedQuadState> sharedQuadState = layer->createSharedQuadState();
+ layer->appendQuads(quads, sharedQuadState.get());
+ EXPECT_EQ(quads.size(), 0u);
+ }
+}
+
+TEST(CCTiledLayerImplTest, checkerboarding)
+{
+ DebugScopedSetImplThread scopedImplThread;
+
+ const IntSize tileSize(10, 10);
+ const int numTilesX = 2;
+ const int numTilesY = 2;
+ const IntSize layerSize(tileSize.width() * numTilesX, tileSize.height() * numTilesY);
+
+ RefPtr<CCTiledLayerImpl> layer = createLayer(tileSize, layerSize, CCLayerTilingData::NoBorderTexels);
+ OwnPtr<CCSharedQuadState> sharedQuadState = layer->createSharedQuadState();
+
+ // No checkerboarding
+ {
+ CCQuadList quads;
+ layer->appendQuads(quads, sharedQuadState.get());
+ EXPECT_EQ(quads.size(), 4u);
+
+ for (size_t i = 0; i < quads.size(); ++i)
+ EXPECT_EQ(quads[i]->material(), CCDrawQuad::TiledContent);
+ }
+
+ for (int i = 0; i < numTilesX; ++i)
+ for (int j = 0; j < numTilesY; ++j)
+ layer->syncTextureId(i, j, static_cast<Platform3DObject>(0));
+
+ // All checkerboarding
+ {
+ CCQuadList quads;
+ layer->appendQuads(quads, sharedQuadState.get());
+ EXPECT_EQ(quads.size(), 4u);
+ for (size_t i = 0; i < quads.size(); ++i)
+ EXPECT_EQ(quads[i]->material(), CCDrawQuad::SolidColor);
+ }
+}
+
+static bool completelyContains(const Region& container, const IntRect& rect)
+{
+ Region tester(rect);
+ Vector<IntRect> rects = container.rects();
+ for (size_t i = 0; i < rects.size(); ++i)
+ tester.subtract(rects[i]);
+ return tester.isEmpty();
+}
+
+static void getQuads(CCQuadList& quads, IntSize tileSize, const IntSize& layerSize, CCLayerTilingData::BorderTexelOption borderTexelOption, const IntRect& visibleLayerRect)
+{
+ RefPtr<CCTiledLayerImpl> layer = createLayer(tileSize, layerSize, borderTexelOption);
+ layer->setVisibleLayerRect(visibleLayerRect);
+ layer->setBounds(layerSize);
+
+ OwnPtr<CCSharedQuadState> sharedQuadState = layer->createSharedQuadState();
+ layer->appendQuads(quads, sharedQuadState.get());
+}
+
+// Align with expected and actual output
+static const char* quadString = " Quad: ";
+
+static void verifyQuadsExactlyCoverRect(const CCQuadList& quads, const IntRect& rect)
+{
+ Region remaining(rect);
+
+ for (size_t i = 0; i < quads.size(); ++i) {
+ CCDrawQuad* quad = quads[i].get();
+
+ EXPECT_TRUE(rect.contains(quad->quadRect())) << quadString << i;
+ EXPECT_TRUE(completelyContains(remaining, quad->quadRect())) << quadString << i;
+ remaining.subtract(Region(quad->quadRect()));
+ }
+
+ EXPECT_TRUE(remaining.isEmpty());
+}
+
+// Test with both border texels and without.
+#define WITH_AND_WITHOUT_BORDER_TEST(testFixtureName) \
+ TEST(CCTiledLayerImplTest, testFixtureName##NoBorders) \
+ { \
+ testFixtureName(CCLayerTilingData::NoBorderTexels); \
+ } \
+ TEST(CCTiledLayerImplTest, testFixtureName##HasBorders) \
+ { \
+ testFixtureName(CCLayerTilingData::HasBorderTexels);\
+ }
+
+static void coverageVisibleRectOnTileBoundaries(CCLayerTilingData::BorderTexelOption borders)
+{
+ DebugScopedSetImplThread scopedImplThread;
+
+ IntSize layerSize(1000, 1000);
+ CCQuadList quads;
+ getQuads(quads, IntSize(100, 100), layerSize, borders, IntRect(IntPoint(), layerSize));
+ verifyQuadsExactlyCoverRect(quads, IntRect(IntPoint(), layerSize));
+}
+WITH_AND_WITHOUT_BORDER_TEST(coverageVisibleRectOnTileBoundaries);
+
+static void coverageVisibleRectIntersectsTiles(CCLayerTilingData::BorderTexelOption borders)
+{
+ DebugScopedSetImplThread scopedImplThread;
+
+ // This rect intersects the middle 3x3 of the 5x5 tiles.
+ IntPoint topLeft(65, 73);
+ IntPoint bottomRight(182, 198);
+ IntRect visibleLayerRect(topLeft, bottomRight - topLeft);
+
+ IntSize layerSize(250, 250);
+ CCQuadList quads;
+ getQuads(quads, IntSize(50, 50), IntSize(250, 250), CCLayerTilingData::NoBorderTexels, visibleLayerRect);
+ verifyQuadsExactlyCoverRect(quads, visibleLayerRect);
+}
+WITH_AND_WITHOUT_BORDER_TEST(coverageVisibleRectIntersectsTiles);
+
+static void coverageVisibleRectIntersectsBounds(CCLayerTilingData::BorderTexelOption borders)
+{
+ DebugScopedSetImplThread scopedImplThread;
+
+ IntSize layerSize(220, 210);
+ IntRect visibleLayerRect(IntPoint(), layerSize);
+ CCQuadList quads;
+ getQuads(quads, IntSize(100, 100), layerSize, CCLayerTilingData::NoBorderTexels, visibleLayerRect);
+ verifyQuadsExactlyCoverRect(quads, visibleLayerRect);
+}
+WITH_AND_WITHOUT_BORDER_TEST(coverageVisibleRectIntersectsBounds);
+
+TEST(CCTiledLayerImplTest, textureInfoForLayerNoBorders)
+{
+ DebugScopedSetImplThread scopedImplThread;
+
+ IntSize tileSize(50, 50);
+ IntSize layerSize(250, 250);
+ CCQuadList quads;
+ getQuads(quads, tileSize, layerSize, CCLayerTilingData::NoBorderTexels, IntRect(IntPoint(), layerSize));
+
+ for (size_t i = 0; i < quads.size(); ++i) {
+ ASSERT_EQ(quads[i]->material(), CCDrawQuad::TiledContent) << quadString << i;
+ CCTileDrawQuad* quad = static_cast<CCTileDrawQuad*>(quads[i].get());
+
+ EXPECT_NE(quad->textureId(), 0u) << quadString << i;
+ EXPECT_EQ(quad->textureOffset(), IntPoint()) << quadString << i;
+ EXPECT_EQ(quad->textureSize(), tileSize) << quadString << i;
+ }
+}
+
+
+} // namespace
Property changes on: trunk/Source/WebKit/chromium/tests/CCTiledLayerImplTest.cpp
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