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Unified Diff: cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc

Issue 12642010: Implement on demand quad rasterization for PicturePiles. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase. Created 7 years, 9 months ago
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Index: cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc b/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
new file mode 100644
index 0000000000000000000000000000000000000000..18efae3b9dbcbcc7a97148b80e641ba814ddd9c1
--- /dev/null
+++ b/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
@@ -0,0 +1,107 @@
+// Copyright 2013 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/layers/append_quads_data.h"
+#include "cc/layers/content_layer_client.h"
+#include "cc/layers/picture_layer.h"
+#include "cc/layers/picture_layer_impl.h"
+#include "cc/quads/draw_quad.h"
+#include "cc/test/layer_tree_pixel_test.h"
+#include "cc/test/mock_quad_culler.h"
+#include "cc/trees/layer_tree_impl.h"
+#include "third_party/skia/include/core/SkCanvas.h"
+#include "third_party/skia/include/core/SkColor.h"
+#include "ui/gfx/rect.h"
+#include "ui/gfx/rect_f.h"
+
+#if !defined(OS_ANDROID)
+
+namespace cc {
+namespace {
+
+class LayerTreeHostOnDemandRasterPixelTest : public LayerTreePixelTest {
+ public:
+ virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
+ settings->impl_side_painting = true;
+ }
+
+ virtual void BeginCommitOnThread(LayerTreeHostImpl* impl) OVERRIDE {
+ // Not enough memory available. Enforce on-demand rasterization.
+ impl->SetManagedMemoryPolicy(
+ ManagedMemoryPolicy(1, ManagedMemoryPolicy::CUTOFF_ALLOW_EVERYTHING,
+ 1, ManagedMemoryPolicy::CUTOFF_ALLOW_NOTHING));
+ }
+
+ virtual void SwapBuffersOnThread(LayerTreeHostImpl* host_impl,
+ bool result) OVERRIDE {
+ // Find the PictureLayerImpl ask it to append quads to check their material.
+ // The PictureLayerImpl is assumed to be the first child of the root layer
+ // in the active tree.
+ PictureLayerImpl* picture_layer = static_cast<PictureLayerImpl*>(
+ host_impl->active_tree()->root_layer()->child_at(0));
+
+ QuadList quads;
+ SharedQuadStateList shared_states;
+ MockQuadCuller quad_culler(&quads, &shared_states);
+
+ AppendQuadsData data;
+ picture_layer->AppendQuads(&quad_culler, &data);
+
+ for (size_t i = 0; i < quads.size(); ++i)
+ EXPECT_EQ(quads[i]->material, DrawQuad::PICTURE_CONTENT);
+
+ // Triggers pixel readback and ends the test.
+ LayerTreePixelTest::SwapBuffersOnThread(host_impl, result);
+ }
+};
+
+class BlueYellowLayerClient : public ContentLayerClient {
+ public:
+ BlueYellowLayerClient(gfx::Rect layer_rect) : layer_rect_(layer_rect) { }
+
+ virtual void DidChangeLayerCanUseLCDText() OVERRIDE { }
+
+ virtual void PaintContents(SkCanvas* canvas,
+ gfx::Rect clip,
+ gfx::RectF* opaque) OVERRIDE {
+ *opaque = gfx::RectF(layer_rect_.width(), layer_rect_.height());
+
+ SkPaint paint;
+ paint.setColor(SK_ColorBLUE);
+ canvas->drawRect(SkRect::MakeWH(layer_rect_.width() / 2,
+ layer_rect_.height()),
+ paint);
+
+ paint.setColor(SK_ColorYELLOW);
+ canvas->drawRect(
+ SkRect::MakeXYWH(layer_rect_.width() / 2,
+ 0,
+ layer_rect_.width() / 2,
+ layer_rect_.height()),
+ paint);
+ }
+
+ private:
+ gfx::Rect layer_rect_;
+};
+
+TEST_F(LayerTreeHostOnDemandRasterPixelTest, RasterPictureLayer) {
+ // Use multiple colors in a single layer to prevent bypassing on-demand
+ // rasterization if a single solid color is detected in picture analysis.
+ gfx::Rect layer_rect(200, 200);
+ BlueYellowLayerClient client(layer_rect);
+ scoped_refptr<PictureLayer> layer = PictureLayer::Create(&client);
+
+ layer->SetIsDrawable(true);
+ layer->SetAnchorPoint(gfx::PointF());
+ layer->SetBounds(layer_rect.size());
+ layer->SetPosition(layer_rect.origin());
+
+ RunPixelTest(layer, base::FilePath(FILE_PATH_LITERAL("blue_yellow.png")));
+}
+
+} // namespace
+} // namespace cc
+
+#endif // OS_ANDROID
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