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skia2/tests/DrawOpAtlasTest.cpp
Chris Dalton 6ce447a4ec Eliminate mixed samples as an FBO type or AA type 
From now on, sample counts always refer to the number of actual color
samples, and render targets don't have separate color and stencil
sample counts.

If mixed samples support is available when making a
"GrAAType::kCoverage" draw, then an op may attach and use a mixed
sampled stencil buffer internally. But this will all be invisible to
the client.

After this CL, we temporarily won't have a mode to use nvpr with mixed
samples. That will soon be fixed by a follow-on CL that enables nvpr
with mixed samples in the normal "gl" and "gles" configs.

Bug: skia:
Change-Id: I1cb8277f0d2d0d371f24bb9f39cd473ed5c5c83b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/221878
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2019-06-24 04:08:45 +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 (fProxies[i]->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;
}
void EvictionFunc(GrDrawOpAtlas::AtlasID atlasID, void*) {
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::AtlasID* atlasID,
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, atlasID, 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();
GrOnFlushResourceProvider onFlushResourceProvider(drawingManager);
TestingUploadTarget uploadTarget;
GrBackendFormat format =
context->priv().caps()->getBackendFormatFromColorType(kAlpha_8_SkColorType);
std::unique_ptr<GrDrawOpAtlas> atlas = GrDrawOpAtlas::Make(
proxyProvider,
format,
GrColorType::kAlpha_8,
kAtlasSize, kAtlasSize,
kAtlasSize/kNumPlots, kAtlasSize/kNumPlots,
GrDrawOpAtlas::AllowMultitexturing::kYes,
EvictionFunc, nullptr);
check(reporter, atlas.get(), 0, 4, 0);
// Fill up the first level
GrDrawOpAtlas::AtlasID atlasIDs[kNumPlots * kNumPlots];
for (int i = 0; i < kNumPlots * kNumPlots; ++i) {
bool result = fill_plot(atlas.get(), resourceProvider, &uploadTarget, &atlasIDs[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::AtlasID atlasID;
bool result = fill_plot(atlas.get(), resourceProvider, &uploadTarget, &atlasID, 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(atlasIDs[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();
GrBackendFormat format =
context->priv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType);
auto rtc = context->priv().makeDeferredRenderTargetContext(format,
SkBackingFit::kApprox,
32, 32,
kRGBA_8888_GrPixelConfig,
nullptr);
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());
GrOpFlushState::OpArgs opArgs = {
op.get(),
rtc->asRenderTargetProxy(),
nullptr,
rtc->asRenderTargetProxy()->outputSwizzle(),
GrXferProcessor::DstProxy(nullptr, 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->getProxies(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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