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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <GrRectanizer.h>
#include "pipeline/skia/VectorDrawableAtlas.h"
#include "tests/common/TestUtils.h"
using namespace android;
using namespace android::uirenderer;
using namespace android::uirenderer::renderthread;
using namespace android::uirenderer::skiapipeline;
RENDERTHREAD_SKIA_PIPELINE_TEST(VectorDrawableAtlas, addGetRemove) {
VectorDrawableAtlas atlas(100 * 100);
atlas.prepareForDraw(renderThread.getGrContext());
// create 150 rects 10x10, which won't fit in the atlas (atlas can fit no more than 100 rects)
const int MAX_RECTS = 150;
AtlasEntry VDRects[MAX_RECTS];
sk_sp<SkSurface> atlasSurface;
// check we are able to allocate new rects
// check that rects in the atlas do not intersect
for (uint32_t i = 0; i < MAX_RECTS; i++) {
VDRects[i] = atlas.requestNewEntry(10, 10, renderThread.getGrContext());
if (0 == i) {
atlasSurface = VDRects[0].surface;
}
ASSERT_TRUE(VDRects[i].key != INVALID_ATLAS_KEY);
ASSERT_TRUE(VDRects[i].surface.get() != nullptr);
ASSERT_TRUE(VDRects[i].rect.width() == 10 && VDRects[i].rect.height() == 10);
// nothing in the atlas should intersect
if (atlasSurface.get() == VDRects[i].surface.get()) {
for (uint32_t j = 0; j < i; j++) {
if (atlasSurface.get() == VDRects[j].surface.get()) {
ASSERT_FALSE(VDRects[i].rect.intersect(VDRects[j].rect));
}
}
}
}
// first 1/3 rects should all be in the same surface
for (uint32_t i = 1; i < MAX_RECTS / 3; i++) {
ASSERT_NE(VDRects[i].key, VDRects[0].key);
ASSERT_EQ(VDRects[i].surface.get(), atlasSurface.get());
}
// first rect is using atlas and last is a standalone surface
ASSERT_NE(VDRects[0].surface.get(), VDRects[MAX_RECTS - 1].surface.get());
// check getEntry returns the same surfaces that we had created
for (uint32_t i = 0; i < MAX_RECTS; i++) {
auto VDRect = atlas.getEntry(VDRects[i].key);
ASSERT_TRUE(VDRect.key != INVALID_ATLAS_KEY);
ASSERT_EQ(VDRects[i].key, VDRect.key);
ASSERT_EQ(VDRects[i].surface.get(), VDRect.surface.get());
ASSERT_EQ(VDRects[i].rect, VDRect.rect);
atlas.releaseEntry(VDRect.key);
}
// check that any new rects will be allocated in the atlas, even that rectanizer is full.
// rects in the atlas should not intersect.
for (uint32_t i = 0; i < MAX_RECTS / 3; i++) {
VDRects[i] = atlas.requestNewEntry(10, 10, renderThread.getGrContext());
ASSERT_TRUE(VDRects[i].key != INVALID_ATLAS_KEY);
ASSERT_EQ(VDRects[i].surface.get(), atlasSurface.get());
ASSERT_TRUE(VDRects[i].rect.width() == 10 && VDRects[i].rect.height() == 10);
for (uint32_t j = 0; j < i; j++) {
ASSERT_FALSE(VDRects[i].rect.intersect(VDRects[j].rect));
}
}
}
RENDERTHREAD_SKIA_PIPELINE_TEST(VectorDrawableAtlas, disallowSharedSurface) {
VectorDrawableAtlas atlas(100 * 100);
// don't allow to use a shared surface
atlas.setStorageMode(VectorDrawableAtlas::StorageMode::disallowSharedSurface);
atlas.prepareForDraw(renderThread.getGrContext());
// create 150 rects 10x10, which won't fit in the atlas (atlas can fit no more than 100 rects)
const int MAX_RECTS = 150;
AtlasEntry VDRects[MAX_RECTS];
// check we are able to allocate new rects
// check that rects in the atlas use unique surfaces
for (uint32_t i = 0; i < MAX_RECTS; i++) {
VDRects[i] = atlas.requestNewEntry(10, 10, renderThread.getGrContext());
ASSERT_TRUE(VDRects[i].key != INVALID_ATLAS_KEY);
ASSERT_TRUE(VDRects[i].surface.get() != nullptr);
ASSERT_TRUE(VDRects[i].rect.width() == 10 && VDRects[i].rect.height() == 10);
// nothing in the atlas should use the same surface
for (uint32_t j = 0; j < i; j++) {
ASSERT_NE(VDRects[i].surface.get(), VDRects[j].surface.get());
}
}
}
RENDERTHREAD_SKIA_PIPELINE_TEST(VectorDrawableAtlas, repack) {
VectorDrawableAtlas atlas(100 * 100);
ASSERT_FALSE(atlas.isFragmented());
atlas.prepareForDraw(renderThread.getGrContext());
ASSERT_FALSE(atlas.isFragmented());
// create 150 rects 10x10, which won't fit in the atlas (atlas can fit no more than 100 rects)
const int MAX_RECTS = 150;
AtlasEntry VDRects[MAX_RECTS];
sk_sp<SkSurface> atlasSurface;
// fill the atlas with check we are able to allocate new rects
for (uint32_t i = 0; i < MAX_RECTS; i++) {
VDRects[i] = atlas.requestNewEntry(10, 10, renderThread.getGrContext());
if (0 == i) {
atlasSurface = VDRects[0].surface;
}
ASSERT_TRUE(VDRects[i].key != INVALID_ATLAS_KEY);
}
ASSERT_FALSE(atlas.isFragmented());
// first 1/3 rects should all be in the same surface
for (uint32_t i = 1; i < MAX_RECTS / 3; i++) {
ASSERT_NE(VDRects[i].key, VDRects[0].key);
ASSERT_EQ(VDRects[i].surface.get(), atlasSurface.get());
}
// release all entries
for (uint32_t i = 0; i < MAX_RECTS; i++) {
auto VDRect = atlas.getEntry(VDRects[i].key);
ASSERT_TRUE(VDRect.key != INVALID_ATLAS_KEY);
atlas.releaseEntry(VDRect.key);
}
ASSERT_FALSE(atlas.isFragmented());
// allocate 4x4 rects, which will fragment the atlas badly, because each entry occupies a 10x10
// area
for (uint32_t i = 0; i < 4 * MAX_RECTS; i++) {
AtlasEntry entry = atlas.requestNewEntry(4, 4, renderThread.getGrContext());
ASSERT_TRUE(entry.key != INVALID_ATLAS_KEY);
}
ASSERT_TRUE(atlas.isFragmented());
atlas.repackIfNeeded(renderThread.getGrContext());
ASSERT_FALSE(atlas.isFragmented());
}
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