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// Copyright 2015 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 <vector>
#include "cc/playback/display_list_raster_source.h"
#include "cc/test/fake_display_list_recording_source.h"
#include "cc/test/skia_common.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
TEST(DisplayListRecordingSourceTest, DiscardablePixelRefsWithTransform) {
gfx::Size grid_cell_size(128, 128);
gfx::Rect recorded_viewport(256, 256);
scoped_ptr<FakeDisplayListRecordingSource> recording_source =
FakeDisplayListRecordingSource::CreateFilledRecordingSource(
recorded_viewport.size());
recording_source->SetGridCellSize(grid_cell_size);
SkBitmap discardable_bitmap[2][2];
gfx::Transform identity_transform;
CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[0][0]);
// Translate transform is equivalent to moving using point.
gfx::Transform translate_transform;
translate_transform.Translate(0, 130);
CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[1][0]);
// This moves the bitmap to center of viewport and rotate, this would make
// this bitmap in all four tile grids.
gfx::Transform rotate_transform;
rotate_transform.Translate(112, 112);
rotate_transform.Rotate(45);
CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[1][1]);
recording_source->add_draw_bitmap_with_transform(discardable_bitmap[0][0],
identity_transform);
recording_source->add_draw_bitmap_with_transform(discardable_bitmap[1][0],
translate_transform);
recording_source->add_draw_bitmap_with_transform(discardable_bitmap[1][1],
rotate_transform);
recording_source->SetGatherPixelRefs(true);
recording_source->Rerecord();
bool can_use_lcd_text = true;
scoped_refptr<DisplayListRasterSource> raster_source =
DisplayListRasterSource::CreateFromDisplayListRecordingSource(
recording_source.get(), can_use_lcd_text);
// Tile sized iterators. These should find only one pixel ref.
{
std::vector<SkPixelRef*> pixel_refs;
raster_source->GatherPixelRefs(gfx::Rect(0, 0, 128, 128), 1.0, &pixel_refs);
EXPECT_FALSE(pixel_refs.empty());
EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
EXPECT_EQ(2u, pixel_refs.size());
}
{
std::vector<SkPixelRef*> pixel_refs;
raster_source->GatherPixelRefs(gfx::Rect(0, 0, 256, 256), 2.0, &pixel_refs);
EXPECT_FALSE(pixel_refs.empty());
EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
EXPECT_EQ(2u, pixel_refs.size());
}
{
std::vector<SkPixelRef*> pixel_refs;
raster_source->GatherPixelRefs(gfx::Rect(0, 0, 64, 64), 0.5, &pixel_refs);
EXPECT_FALSE(pixel_refs.empty());
EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
EXPECT_EQ(2u, pixel_refs.size());
}
// Shifted tile sized iterators. These should find only one pixel ref.
{
std::vector<SkPixelRef*> pixel_refs;
raster_source->GatherPixelRefs(gfx::Rect(140, 140, 128, 128), 1.0,
&pixel_refs);
EXPECT_FALSE(pixel_refs.empty());
EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef());
EXPECT_EQ(1u, pixel_refs.size());
}
{
std::vector<SkPixelRef*> pixel_refs;
raster_source->GatherPixelRefs(gfx::Rect(280, 280, 256, 256), 2.0,
&pixel_refs);
EXPECT_FALSE(pixel_refs.empty());
EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef());
EXPECT_EQ(1u, pixel_refs.size());
}
{
std::vector<SkPixelRef*> pixel_refs;
raster_source->GatherPixelRefs(gfx::Rect(70, 70, 64, 64), 0.5, &pixel_refs);
EXPECT_FALSE(pixel_refs.empty());
EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef());
EXPECT_EQ(1u, pixel_refs.size());
}
// The rotated bitmap would still be in the top right tile.
{
std::vector<SkPixelRef*> pixel_refs;
raster_source->GatherPixelRefs(gfx::Rect(140, 0, 128, 128), 1.0,
&pixel_refs);
EXPECT_FALSE(pixel_refs.empty());
EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef());
EXPECT_EQ(1u, pixel_refs.size());
}
// Layer sized iterators. These should find all 6 pixel refs, including 1
// pixel ref bitmap[0][0], 1 pixel ref for bitmap[1][0], and 4 pixel refs for
// bitmap[1][1].
{
std::vector<SkPixelRef*> pixel_refs;
raster_source->GatherPixelRefs(gfx::Rect(0, 0, 256, 256), 1.0, &pixel_refs);
EXPECT_FALSE(pixel_refs.empty());
// Top left tile with bitmap[0][0] and bitmap[1][1].
EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
// Top right tile with bitmap[1][1].
EXPECT_TRUE(pixel_refs[2] == discardable_bitmap[1][1].pixelRef());
// Bottom left tile with bitmap[1][0] and bitmap[1][1].
EXPECT_TRUE(pixel_refs[3] == discardable_bitmap[1][0].pixelRef());
EXPECT_TRUE(pixel_refs[4] == discardable_bitmap[1][1].pixelRef());
// Bottom right tile with bitmap[1][1].
EXPECT_TRUE(pixel_refs[5] == discardable_bitmap[1][1].pixelRef());
EXPECT_EQ(6u, pixel_refs.size());
}
{
std::vector<SkPixelRef*> pixel_refs;
raster_source->GatherPixelRefs(gfx::Rect(0, 0, 512, 512), 2.0, &pixel_refs);
EXPECT_FALSE(pixel_refs.empty());
// Top left tile with bitmap[0][0] and bitmap[1][1].
EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
// Top right tile with bitmap[1][1].
EXPECT_TRUE(pixel_refs[2] == discardable_bitmap[1][1].pixelRef());
// Bottom left tile with bitmap[1][0] and bitmap[1][1].
EXPECT_TRUE(pixel_refs[3] == discardable_bitmap[1][0].pixelRef());
EXPECT_TRUE(pixel_refs[4] == discardable_bitmap[1][1].pixelRef());
// Bottom right tile with bitmap[1][1].
EXPECT_TRUE(pixel_refs[5] == discardable_bitmap[1][1].pixelRef());
EXPECT_EQ(6u, pixel_refs.size());
}
{
std::vector<SkPixelRef*> pixel_refs;
raster_source->GatherPixelRefs(gfx::Rect(0, 0, 128, 128), 0.5, &pixel_refs);
EXPECT_FALSE(pixel_refs.empty());
// Top left tile with bitmap[0][0] and bitmap[1][1].
EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef());
// Top right tile with bitmap[1][1].
EXPECT_TRUE(pixel_refs[2] == discardable_bitmap[1][1].pixelRef());
// Bottom left tile with bitmap[1][0] and bitmap[1][1].
EXPECT_TRUE(pixel_refs[3] == discardable_bitmap[1][0].pixelRef());
EXPECT_TRUE(pixel_refs[4] == discardable_bitmap[1][1].pixelRef());
// Bottom right tile with bitmap[1][1].
EXPECT_TRUE(pixel_refs[5] == discardable_bitmap[1][1].pixelRef());
EXPECT_EQ(6u, pixel_refs.size());
}
}
} // namespace
} // namespace cc