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skia2/tests/ImageFilterCacheTest.cpp
Michael Ludwig e5881895b0 Remove overly verbose Usage enum from FilterResult 
Bug: skia:9282
Change-Id: I04afd352ad8c0c167993f29f4293d857f5af7170
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/445619
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
2021-09-07 21:15:01 +00:00

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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "tests/Test.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkColorFilter.h"
#include "include/core/SkImage.h"
#include "include/core/SkImageFilter.h"
#include "include/core/SkMatrix.h"
#include "include/effects/SkImageFilters.h"
#include "src/core/SkImageFilterCache.h"
#include "src/core/SkSpecialImage.h"
static const int kSmallerSize = 10;
static const int kPad = 3;
static const int kFullSize = kSmallerSize + 2 * kPad;
static SkBitmap create_bm() {
SkImageInfo ii = SkImageInfo::Make(kFullSize, kFullSize, kRGBA_8888_SkColorType,
kPremul_SkAlphaType);
SkBitmap bm;
bm.allocPixels(ii);
bm.eraseColor(SK_ColorTRANSPARENT);
bm.setImmutable();
return bm;
}
static sk_sp<SkImageFilter> make_filter() {
sk_sp<SkColorFilter> filter(SkColorFilters::Blend(SK_ColorBLUE, SkBlendMode::kSrcIn));
return SkImageFilters::ColorFilter(std::move(filter), nullptr, nullptr);
}
// Ensure the cache can return a cached image
static void test_find_existing(skiatest::Reporter* reporter,
const sk_sp<SkSpecialImage>& image,
const sk_sp<SkSpecialImage>& subset) {
static const size_t kCacheSize = 1000000;
sk_sp<SkImageFilterCache> cache(SkImageFilterCache::Create(kCacheSize));
SkIRect clip = SkIRect::MakeWH(100, 100);
SkImageFilterCacheKey key1(0, SkMatrix::I(), clip, image->uniqueID(), image->subset());
SkImageFilterCacheKey key2(0, SkMatrix::I(), clip, subset->uniqueID(), subset->subset());
SkIPoint offset = SkIPoint::Make(3, 4);
auto filter = make_filter();
cache->set(key1, filter.get(), skif::FilterResult(image, skif::LayerSpace<SkIPoint>(offset)));
skif::FilterResult foundImage;
REPORTER_ASSERT(reporter, cache->get(key1, &foundImage));
REPORTER_ASSERT(reporter, offset == SkIPoint(foundImage.layerOrigin()));
REPORTER_ASSERT(reporter, !cache->get(key2, &foundImage));
}
// If either id is different or the clip or the matrix are different the
// cached image won't be found. Even if it is caching the same bitmap.
static void test_dont_find_if_diff_key(skiatest::Reporter* reporter,
const sk_sp<SkSpecialImage>& image,
const sk_sp<SkSpecialImage>& subset) {
static const size_t kCacheSize = 1000000;
sk_sp<SkImageFilterCache> cache(SkImageFilterCache::Create(kCacheSize));
SkIRect clip1 = SkIRect::MakeWH(100, 100);
SkIRect clip2 = SkIRect::MakeWH(200, 200);
SkImageFilterCacheKey key0(0, SkMatrix::I(), clip1, image->uniqueID(), image->subset());
SkImageFilterCacheKey key1(1, SkMatrix::I(), clip1, image->uniqueID(), image->subset());
SkImageFilterCacheKey key2(0, SkMatrix::Translate(5, 5), clip1,
image->uniqueID(), image->subset());
SkImageFilterCacheKey key3(0, SkMatrix::I(), clip2, image->uniqueID(), image->subset());
SkImageFilterCacheKey key4(0, SkMatrix::I(), clip1, subset->uniqueID(), subset->subset());
SkIPoint offset = SkIPoint::Make(3, 4);
auto filter = make_filter();
cache->set(key0, filter.get(), skif::FilterResult(image, skif::LayerSpace<SkIPoint>(offset)));
skif::FilterResult foundImage;
REPORTER_ASSERT(reporter, !cache->get(key1, &foundImage));
REPORTER_ASSERT(reporter, !cache->get(key2, &foundImage));
REPORTER_ASSERT(reporter, !cache->get(key3, &foundImage));
REPORTER_ASSERT(reporter, !cache->get(key4, &foundImage));
}
// Test purging when the max cache size is exceeded
static void test_internal_purge(skiatest::Reporter* reporter, const sk_sp<SkSpecialImage>& image) {
SkASSERT(image->getSize());
const size_t kCacheSize = image->getSize() + 10;
sk_sp<SkImageFilterCache> cache(SkImageFilterCache::Create(kCacheSize));
SkIRect clip = SkIRect::MakeWH(100, 100);
SkImageFilterCacheKey key1(0, SkMatrix::I(), clip, image->uniqueID(), image->subset());
SkImageFilterCacheKey key2(1, SkMatrix::I(), clip, image->uniqueID(), image->subset());
SkIPoint offset = SkIPoint::Make(3, 4);
auto filter1 = make_filter();
cache->set(key1, filter1.get(), skif::FilterResult(image, skif::LayerSpace<SkIPoint>(offset)));
skif::FilterResult foundImage;
REPORTER_ASSERT(reporter, cache->get(key1, &foundImage));
// This should knock the first one out of the cache
auto filter2 = make_filter();
cache->set(key2, filter2.get(),
skif::FilterResult(image, skif::LayerSpace<SkIPoint>(offset)));
REPORTER_ASSERT(reporter, cache->get(key2, &foundImage));
REPORTER_ASSERT(reporter, !cache->get(key1, &foundImage));
}
// Exercise the purgeByKey and purge methods
static void test_explicit_purging(skiatest::Reporter* reporter,
const sk_sp<SkSpecialImage>& image,
const sk_sp<SkSpecialImage>& subset) {
static const size_t kCacheSize = 1000000;
sk_sp<SkImageFilterCache> cache(SkImageFilterCache::Create(kCacheSize));
SkIRect clip = SkIRect::MakeWH(100, 100);
SkImageFilterCacheKey key1(0, SkMatrix::I(), clip, image->uniqueID(), image->subset());
SkImageFilterCacheKey key2(1, SkMatrix::I(), clip, subset->uniqueID(), image->subset());
SkIPoint offset = SkIPoint::Make(3, 4);
auto filter1 = make_filter();
auto filter2 = make_filter();
cache->set(key1, filter1.get(),
skif::FilterResult(image, skif::LayerSpace<SkIPoint>(offset)));
cache->set(key2, filter2.get(),
skif::FilterResult(image, skif::LayerSpace<SkIPoint>(offset)));
SkDEBUGCODE(REPORTER_ASSERT(reporter, 2 == cache->count());)
skif::FilterResult foundImage;
REPORTER_ASSERT(reporter, cache->get(key1, &foundImage));
REPORTER_ASSERT(reporter, cache->get(key2, &foundImage));
cache->purgeByImageFilter(filter1.get());
SkDEBUGCODE(REPORTER_ASSERT(reporter, 1 == cache->count());)
REPORTER_ASSERT(reporter, !cache->get(key1, &foundImage));
REPORTER_ASSERT(reporter, cache->get(key2, &foundImage));
cache->purge();
SkDEBUGCODE(REPORTER_ASSERT(reporter, 0 == cache->count());)
REPORTER_ASSERT(reporter, !cache->get(key1, &foundImage));
REPORTER_ASSERT(reporter, !cache->get(key2, &foundImage));
}
DEF_TEST(ImageFilterCache_RasterBacked, reporter) {
SkBitmap srcBM = create_bm();
const SkIRect& full = SkIRect::MakeWH(kFullSize, kFullSize);
sk_sp<SkSpecialImage> fullImg(SkSpecialImage::MakeFromRaster(full, srcBM, SkSurfaceProps()));
const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
sk_sp<SkSpecialImage> subsetImg(SkSpecialImage::MakeFromRaster(subset, srcBM,
SkSurfaceProps()));
test_find_existing(reporter, fullImg, subsetImg);
test_dont_find_if_diff_key(reporter, fullImg, subsetImg);
test_internal_purge(reporter, fullImg);
test_explicit_purging(reporter, fullImg, subsetImg);
}
// Shared test code for both the raster and gpu-backed image cases
static void test_image_backed(skiatest::Reporter* reporter,
GrRecordingContext* rContext,
const sk_sp<SkImage>& srcImage) {
const SkIRect& full = SkIRect::MakeWH(kFullSize, kFullSize);
sk_sp<SkSpecialImage> fullImg(SkSpecialImage::MakeFromImage(rContext, full, srcImage,
SkSurfaceProps()));
const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
sk_sp<SkSpecialImage> subsetImg(SkSpecialImage::MakeFromImage(rContext, subset, srcImage,
SkSurfaceProps()));
test_find_existing(reporter, fullImg, subsetImg);
test_dont_find_if_diff_key(reporter, fullImg, subsetImg);
test_internal_purge(reporter, fullImg);
test_explicit_purging(reporter, fullImg, subsetImg);
}
DEF_TEST(ImageFilterCache_ImageBackedRaster, reporter) {
SkBitmap srcBM = create_bm();
sk_sp<SkImage> srcImage(srcBM.asImage());
test_image_backed(reporter, nullptr, srcImage);
}
#include "include/gpu/GrDirectContext.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrProxyProvider.h"
#include "src/gpu/GrResourceProvider.h"
#include "src/gpu/GrSurfaceProxyPriv.h"
#include "src/gpu/GrTexture.h"
#include "src/gpu/GrTextureProxy.h"
#include "src/gpu/SkGr.h"
static GrSurfaceProxyView create_proxy_view(GrRecordingContext* rContext) {
SkBitmap srcBM = create_bm();
return std::get<0>(GrMakeUncachedBitmapProxyView(rContext, srcBM));
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterCache_ImageBackedGPU, reporter, ctxInfo) {
auto dContext = ctxInfo.directContext();
GrSurfaceProxyView srcView = create_proxy_view(dContext);
if (!srcView.proxy()) {
return;
}
if (!srcView.proxy()->instantiate(dContext->priv().resourceProvider())) {
return;
}
GrTexture* tex = srcView.proxy()->peekTexture();
GrBackendTexture backendTex = tex->getBackendTexture();
GrSurfaceOrigin texOrigin = kTopLeft_GrSurfaceOrigin;
sk_sp<SkImage> srcImage(SkImage::MakeFromTexture(dContext,
backendTex,
texOrigin,
kRGBA_8888_SkColorType,
kPremul_SkAlphaType, nullptr,
nullptr, nullptr));
if (!srcImage) {
return;
}
GrSurfaceOrigin readBackOrigin;
GrBackendTexture readBackBackendTex = srcImage->getBackendTexture(false, &readBackOrigin);
if (!GrBackendTexture::TestingOnly_Equals(readBackBackendTex, backendTex)) {
ERRORF(reporter, "backend mismatch\n");
}
REPORTER_ASSERT(reporter, GrBackendTexture::TestingOnly_Equals(readBackBackendTex, backendTex));
if (readBackOrigin != texOrigin) {
ERRORF(reporter, "origin mismatch %d %d\n", readBackOrigin, texOrigin);
}
REPORTER_ASSERT(reporter, readBackOrigin == texOrigin);
test_image_backed(reporter, dContext, srcImage);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageFilterCache_GPUBacked, reporter, ctxInfo) {
auto dContext = ctxInfo.directContext();
GrSurfaceProxyView srcView = create_proxy_view(dContext);
if (!srcView.proxy()) {
return;
}
const SkIRect& full = SkIRect::MakeWH(kFullSize, kFullSize);
sk_sp<SkSpecialImage> fullImg(SkSpecialImage::MakeDeferredFromGpu(
dContext, full,
kNeedNewImageUniqueID_SpecialImage,
srcView,
GrColorType::kRGBA_8888, nullptr,
SkSurfaceProps()));
const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
sk_sp<SkSpecialImage> subsetImg(SkSpecialImage::MakeDeferredFromGpu(
dContext, subset,
kNeedNewImageUniqueID_SpecialImage,
std::move(srcView),
GrColorType::kRGBA_8888, nullptr,
SkSurfaceProps()));
test_find_existing(reporter, fullImg, subsetImg);
test_dont_find_if_diff_key(reporter, fullImg, subsetImg);
test_internal_purge(reporter, fullImg);
test_explicit_purging(reporter, fullImg, subsetImg);
}
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