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skia2/tests/DrawOpAtlasTest.cpp
Herb Derby 0ef780befd Use a monotonic counter for atlas and plot generations 
Currently when the GPU resources are freed, the generation counters
are reset back to 1. This could allow stale data to be retained in the
SubRun texture coordinates. In addition, it confuses managing the
GrStrikes.

Use monotonic counters so that no number is ever repeated. This allows
for a simple check of equality without any additional checks or constrinats.

Bug: chromium:1045016

Change-Id: Ib58abf9a99107a37927fa73aef88a95900f70a5f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/266618
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
2020-01-28 21:01:36 +00:00

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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/core/SkBitmap.h"
#include "include/core/SkColor.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkFont.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkMatrix.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSize.h"
#include "include/core/SkTypes.h"
#include "include/gpu/GrBackendSurface.h"
#include "include/gpu/GrContext.h"
#include "include/private/GrTypesPriv.h"
#include "src/core/SkIPoint16.h"
#include "src/gpu/GrCaps.h"
#include "src/gpu/GrContextPriv.h"
#include "src/gpu/GrDeferredUpload.h"
#include "src/gpu/GrDrawOpAtlas.h"
#include "src/gpu/GrDrawingManager.h"
#include "src/gpu/GrMemoryPool.h"
#include "src/gpu/GrOnFlushResourceProvider.h"
#include "src/gpu/GrOpFlushState.h"
#include "src/gpu/GrRenderTargetContext.h"
#include "src/gpu/GrTextureProxy.h"
#include "src/gpu/GrXferProcessor.h"
#include "src/gpu/ops/GrDrawOp.h"
#include "src/gpu/ops/GrOp.h"
#include "src/gpu/text/GrAtlasManager.h"
#include "src/gpu/text/GrTextContext.h"
#include "tests/Test.h"
#include "tools/gpu/GrContextFactory.h"
#include <memory>
#include <utility>
class GrResourceProvider;
static const int kNumPlots = 2;
static const int kPlotSize = 32;
static const int kAtlasSize = kNumPlots * kPlotSize;
int GrDrawOpAtlas::numAllocated_TestingOnly() const {
int count = 0;
for (uint32_t i = 0; i < this->maxPages(); ++i) {
if (fViews[i].proxy()->isInstantiated()) {
++count;
}
}
return count;
}
void GrAtlasManager::setMaxPages_TestingOnly(uint32_t maxPages) {
for (int i = 0; i < kMaskFormatCount; i++) {
if (fAtlases[i]) {
fAtlases[i]->setMaxPages_TestingOnly(maxPages);
}
}
}
void GrDrawOpAtlas::setMaxPages_TestingOnly(uint32_t maxPages) {
SkASSERT(!fNumActivePages);
fMaxPages = maxPages;
}
class DummyEvict : public GrDrawOpAtlas::EvictionCallback {
public:
void evict(GrDrawOpAtlas::PlotLocator plotLocator) override {
SkASSERT(0); // The unit test shouldn't exercise this code path
}
};
static void check(skiatest::Reporter* r, GrDrawOpAtlas* atlas,
uint32_t expectedActive, uint32_t expectedMax, int expectedAlloced) {
REPORTER_ASSERT(r, expectedActive == atlas->numActivePages());
REPORTER_ASSERT(r, expectedMax == atlas->maxPages());
REPORTER_ASSERT(r, expectedAlloced == atlas->numAllocated_TestingOnly());
}
class TestingUploadTarget : public GrDeferredUploadTarget {
public:
TestingUploadTarget() { }
const GrTokenTracker* tokenTracker() final { return &fTokenTracker; }
GrTokenTracker* writeableTokenTracker() { return &fTokenTracker; }
GrDeferredUploadToken addInlineUpload(GrDeferredTextureUploadFn&&) final {
SkASSERT(0); // this test shouldn't invoke this code path
return fTokenTracker.nextDrawToken();
}
virtual GrDeferredUploadToken addASAPUpload(GrDeferredTextureUploadFn&& upload) final {
return fTokenTracker.nextTokenToFlush();
}
void issueDrawToken() { fTokenTracker.issueDrawToken(); }
void flushToken() { fTokenTracker.flushToken(); }
private:
GrTokenTracker fTokenTracker;
typedef GrDeferredUploadTarget INHERITED;
};
static bool fill_plot(GrDrawOpAtlas* atlas,
GrResourceProvider* resourceProvider,
GrDeferredUploadTarget* target,
GrDrawOpAtlas::PlotLocator* plotLocator,
int alpha) {
SkImageInfo ii = SkImageInfo::MakeA8(kPlotSize, kPlotSize);
SkBitmap data;
data.allocPixels(ii);
data.eraseARGB(alpha, 0, 0, 0);
SkIPoint16 loc;
GrDrawOpAtlas::ErrorCode code;
code = atlas->addToAtlas(resourceProvider, plotLocator, target, kPlotSize, kPlotSize,
data.getAddr(0, 0), &loc);
return GrDrawOpAtlas::ErrorCode::kSucceeded == code;
}
// This is a basic DrawOpAtlas test. It simply verifies that multitexture atlases correctly
// add and remove pages. Note that this is simulating flush-time behavior.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(BasicDrawOpAtlas, reporter, ctxInfo) {
auto context = ctxInfo.grContext();
auto proxyProvider = context->priv().proxyProvider();
auto resourceProvider = context->priv().resourceProvider();
auto drawingManager = context->priv().drawingManager();
const GrCaps* caps = context->priv().caps();
GrOnFlushResourceProvider onFlushResourceProvider(drawingManager);
TestingUploadTarget uploadTarget;
GrBackendFormat format = caps->getDefaultBackendFormat(GrColorType::kAlpha_8,
GrRenderable::kNo);
DummyEvict evictor;
GrDrawOpAtlas::GenerationCounter counter;
std::unique_ptr<GrDrawOpAtlas> atlas = GrDrawOpAtlas::Make(
proxyProvider,
format,
GrColorType::kAlpha_8,
kAtlasSize, kAtlasSize,
kAtlasSize/kNumPlots, kAtlasSize/kNumPlots,
&counter,
GrDrawOpAtlas::AllowMultitexturing::kYes,
&evictor);
check(reporter, atlas.get(), 0, 4, 0);
// Fill up the first level
GrDrawOpAtlas::PlotLocator plotLocators[kNumPlots * kNumPlots];
for (int i = 0; i < kNumPlots * kNumPlots; ++i) {
bool result = fill_plot(
atlas.get(), resourceProvider, &uploadTarget, &plotLocators[i], i * 32);
REPORTER_ASSERT(reporter, result);
check(reporter, atlas.get(), 1, 4, 1);
}
atlas->instantiate(&onFlushResourceProvider);
check(reporter, atlas.get(), 1, 4, 1);
// Force allocation of a second level
GrDrawOpAtlas::PlotLocator plotLocator;
bool result = fill_plot(atlas.get(), resourceProvider, &uploadTarget, &plotLocator, 4 * 32);
REPORTER_ASSERT(reporter, result);
check(reporter, atlas.get(), 2, 4, 2);
// Simulate a lot of draws using only the first plot. The last texture should be compacted.
for (int i = 0; i < 512; ++i) {
atlas->setLastUseToken(plotLocators[0], uploadTarget.tokenTracker()->nextDrawToken());
uploadTarget.issueDrawToken();
uploadTarget.flushToken();
atlas->compact(uploadTarget.tokenTracker()->nextTokenToFlush());
}
check(reporter, atlas.get(), 1, 4, 1);
}
// This test verifies that the GrAtlasTextOp::onPrepare method correctly handles a failure
// when allocating an atlas page.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrAtlasTextOpPreparation, reporter, ctxInfo) {
auto context = ctxInfo.grContext();
auto gpu = context->priv().getGpu();
auto resourceProvider = context->priv().resourceProvider();
auto drawingManager = context->priv().drawingManager();
auto textContext = drawingManager->getTextContext();
auto opMemoryPool = context->priv().opMemoryPool();
auto rtc = GrRenderTargetContext::Make(
context, GrColorType::kRGBA_8888, nullptr, SkBackingFit::kApprox, {32, 32});
SkPaint paint;
paint.setColor(SK_ColorRED);
SkFont font;
font.setEdging(SkFont::Edging::kAlias);
const char* text = "a";
std::unique_ptr<GrDrawOp> op = textContext->createOp_TestingOnly(
context, textContext, rtc.get(), paint, font, SkMatrix::I(), text, 16, 16);
bool hasMixedSampledCoverage = false;
op->finalize(*context->priv().caps(), nullptr, hasMixedSampledCoverage, GrClampType::kAuto);
TestingUploadTarget uploadTarget;
GrOpFlushState flushState(gpu, resourceProvider, uploadTarget.writeableTokenTracker());
GrSurfaceProxyView surfaceView = rtc->outputSurfaceView();
GrOpFlushState::OpArgs opArgs(op.get(),
&surfaceView,
nullptr,
GrXferProcessor::DstProxyView(GrSurfaceProxyView(),
SkIPoint::Make(0, 0)));
// Cripple the atlas manager so it can't allocate any pages. This will force a failure
// in the preparation of the text op
auto atlasManager = context->priv().getAtlasManager();
unsigned int numProxies;
atlasManager->getViews(kA8_GrMaskFormat, &numProxies);
atlasManager->setMaxPages_TestingOnly(0);
flushState.setOpArgs(&opArgs);
op->prepare(&flushState);
flushState.setOpArgs(nullptr);
opMemoryPool->release(std::move(op));
}
void test_atlas_config(skiatest::Reporter* reporter, int maxTextureSize, size_t maxBytes,
GrMaskFormat maskFormat, SkISize expectedDimensions,
SkISize expectedPlotDimensions) {
GrDrawOpAtlasConfig config(maxTextureSize, maxBytes);
REPORTER_ASSERT(reporter, config.atlasDimensions(maskFormat) == expectedDimensions);
REPORTER_ASSERT(reporter, config.plotDimensions(maskFormat) == expectedPlotDimensions);
}
DEF_GPUTEST(GrDrawOpAtlasConfig_Basic, reporter, options) {
// 1/4 MB
test_atlas_config(reporter, 65536, 256 * 1024, kARGB_GrMaskFormat,
{ 256, 256 }, { 256, 256 });
test_atlas_config(reporter, 65536, 256 * 1024, kA8_GrMaskFormat,
{ 512, 512 }, { 256, 256 });
// 1/2 MB
test_atlas_config(reporter, 65536, 512 * 1024, kARGB_GrMaskFormat,
{ 512, 256 }, { 256, 256 });
test_atlas_config(reporter, 65536, 512 * 1024, kA8_GrMaskFormat,
{ 1024, 512 }, { 256, 256 });
// 1 MB
test_atlas_config(reporter, 65536, 1024 * 1024, kARGB_GrMaskFormat,
{ 512, 512 }, { 256, 256 });
test_atlas_config(reporter, 65536, 1024 * 1024, kA8_GrMaskFormat,
{ 1024, 1024 }, { 256, 256 });
// 2 MB
test_atlas_config(reporter, 65536, 2 * 1024 * 1024, kARGB_GrMaskFormat,
{ 1024, 512 }, { 256, 256 });
test_atlas_config(reporter, 65536, 2 * 1024 * 1024, kA8_GrMaskFormat,
{ 2048, 1024 }, { 512, 256 });
// 4 MB
test_atlas_config(reporter, 65536, 4 * 1024 * 1024, kARGB_GrMaskFormat,
{ 1024, 1024 }, { 256, 256 });
test_atlas_config(reporter, 65536, 4 * 1024 * 1024, kA8_GrMaskFormat,
{ 2048, 2048 }, { 512, 512 });
// 8 MB
test_atlas_config(reporter, 65536, 8 * 1024 * 1024, kARGB_GrMaskFormat,
{ 2048, 1024 }, { 256, 256 });
test_atlas_config(reporter, 65536, 8 * 1024 * 1024, kA8_GrMaskFormat,
{ 2048, 2048 }, { 512, 512 });
// 16 MB (should be same as 8 MB)
test_atlas_config(reporter, 65536, 16 * 1024 * 1024, kARGB_GrMaskFormat,
{ 2048, 1024 }, { 256, 256 });
test_atlas_config(reporter, 65536, 16 * 1024 * 1024, kA8_GrMaskFormat,
{ 2048, 2048 }, { 512, 512 });
// 4MB, restricted texture size
test_atlas_config(reporter, 1024, 8 * 1024 * 1024, kARGB_GrMaskFormat,
{ 1024, 1024 }, { 256, 256 });
test_atlas_config(reporter, 1024, 8 * 1024 * 1024, kA8_GrMaskFormat,
{ 1024, 1024 }, { 256, 256 });
// 3 MB (should be same as 2 MB)
test_atlas_config(reporter, 65536, 3 * 1024 * 1024, kARGB_GrMaskFormat,
{ 1024, 512 }, { 256, 256 });
test_atlas_config(reporter, 65536, 3 * 1024 * 1024, kA8_GrMaskFormat,
{ 2048, 1024 }, { 512, 256 });
// minimum size
test_atlas_config(reporter, 65536, 0, kARGB_GrMaskFormat,
{ 256, 256 }, { 256, 256 });
test_atlas_config(reporter, 65536, 0, kA8_GrMaskFormat,
{ 512, 512 }, { 256, 256 });
}
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