зеркало из https://github.com/mozilla/moz-skia.git
446 строки
18 KiB
C++
446 строки
18 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkCanvas.h"
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#include "SkData.h"
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#include "SkDecodingImageGenerator.h"
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#include "SkImageEncoder.h"
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#include "SkRRect.h"
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#include "SkSurface.h"
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#include "SkUtils.h"
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#include "Test.h"
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#if SK_SUPPORT_GPU
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#include "GrContextFactory.h"
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#else
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class GrContextFactory;
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class GrContext;
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#endif
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enum SurfaceType {
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kRaster_SurfaceType,
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kRasterDirect_SurfaceType,
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kGpu_SurfaceType,
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kGpuScratch_SurfaceType,
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};
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static void release_storage(void* pixels, void* context) {
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SkASSERT(pixels == context);
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sk_free(pixels);
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}
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static SkSurface* createSurface(SurfaceType surfaceType, GrContext* context,
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SkImageInfo* requestedInfo = NULL) {
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static const SkImageInfo info = SkImageInfo::MakeN32Premul(10, 10);
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if (requestedInfo) {
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*requestedInfo = info;
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}
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switch (surfaceType) {
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case kRaster_SurfaceType:
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return SkSurface::NewRaster(info);
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case kRasterDirect_SurfaceType: {
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const size_t rowBytes = info.minRowBytes();
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void* storage = sk_malloc_throw(info.getSafeSize(rowBytes));
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return SkSurface::NewRasterDirectReleaseProc(info, storage, rowBytes,
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release_storage, storage);
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}
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case kGpu_SurfaceType:
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#if SK_SUPPORT_GPU
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return context ? SkSurface::NewRenderTarget(context, info, 0, NULL) : NULL;
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#endif
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break;
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case kGpuScratch_SurfaceType:
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#if SK_SUPPORT_GPU
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return context ? SkSurface::NewScratchRenderTarget(context, info) : NULL;
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#endif
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break;
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}
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return NULL;
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}
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enum ImageType {
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kRasterCopy_ImageType,
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kRasterData_ImageType,
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kGpu_ImageType,
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kCodec_ImageType,
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};
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static void test_image(skiatest::Reporter* reporter) {
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SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
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size_t rowBytes = info.minRowBytes();
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size_t size = info.getSafeSize(rowBytes);
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SkData* data = SkData::NewUninitialized(size);
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REPORTER_ASSERT(reporter, 1 == data->getRefCnt());
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SkImage* image = SkImage::NewRasterData(info, data, rowBytes);
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REPORTER_ASSERT(reporter, 2 == data->getRefCnt());
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image->unref();
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REPORTER_ASSERT(reporter, 1 == data->getRefCnt());
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data->unref();
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}
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static SkImage* createImage(ImageType imageType, GrContext* context,
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SkColor color) {
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const SkPMColor pmcolor = SkPreMultiplyColor(color);
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const SkImageInfo info = SkImageInfo::MakeN32Premul(10, 10);
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const size_t rowBytes = info.minRowBytes();
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const size_t size = rowBytes * info.height();
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SkAutoTUnref<SkData> data(SkData::NewUninitialized(size));
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void* addr = data->writable_data();
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sk_memset32((SkPMColor*)addr, pmcolor, SkToInt(size >> 2));
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switch (imageType) {
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case kRasterCopy_ImageType:
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return SkImage::NewRasterCopy(info, addr, rowBytes);
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case kRasterData_ImageType:
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return SkImage::NewRasterData(info, data, rowBytes);
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case kGpu_ImageType:
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return NULL; // TODO
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case kCodec_ImageType: {
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SkBitmap bitmap;
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bitmap.installPixels(info, addr, rowBytes);
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SkAutoTUnref<SkData> src(
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SkImageEncoder::EncodeData(bitmap, SkImageEncoder::kPNG_Type,
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100));
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return SkImage::NewFromGenerator(
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SkDecodingImageGenerator::Create(data, SkDecodingImageGenerator::Options()));
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}
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}
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SkASSERT(false);
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return NULL;
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}
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static void test_imagepeek(skiatest::Reporter* reporter) {
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static const struct {
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ImageType fType;
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bool fPeekShouldSucceed;
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} gRec[] = {
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{ kRasterCopy_ImageType, true },
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{ kRasterData_ImageType, true },
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{ kGpu_ImageType, false },
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{ kCodec_ImageType, false },
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};
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const SkColor color = SK_ColorRED;
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const SkPMColor pmcolor = SkPreMultiplyColor(color);
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for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) {
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SkImageInfo info;
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size_t rowBytes;
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SkAutoTUnref<SkImage> image(createImage(gRec[i].fType, NULL, color));
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if (!image.get()) {
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continue; // gpu may not be enabled
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}
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const void* addr = image->peekPixels(&info, &rowBytes);
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bool success = SkToBool(addr);
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REPORTER_ASSERT(reporter, gRec[i].fPeekShouldSucceed == success);
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if (success) {
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REPORTER_ASSERT(reporter, 10 == info.width());
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REPORTER_ASSERT(reporter, 10 == info.height());
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REPORTER_ASSERT(reporter, kN32_SkColorType == info.colorType());
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REPORTER_ASSERT(reporter, kPremul_SkAlphaType == info.alphaType() ||
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kOpaque_SkAlphaType == info.alphaType());
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REPORTER_ASSERT(reporter, info.minRowBytes() <= rowBytes);
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REPORTER_ASSERT(reporter, pmcolor == *(const SkPMColor*)addr);
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}
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}
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}
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static void test_canvaspeek(skiatest::Reporter* reporter,
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GrContextFactory* factory) {
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static const struct {
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SurfaceType fType;
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bool fPeekShouldSucceed;
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} gRec[] = {
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{ kRaster_SurfaceType, true },
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{ kRasterDirect_SurfaceType, true },
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#if SK_SUPPORT_GPU
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{ kGpu_SurfaceType, false },
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{ kGpuScratch_SurfaceType, false },
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#endif
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};
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const SkColor color = SK_ColorRED;
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const SkPMColor pmcolor = SkPreMultiplyColor(color);
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int cnt;
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#if SK_SUPPORT_GPU
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cnt = GrContextFactory::kGLContextTypeCnt;
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#else
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cnt = 1;
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#endif
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for (int i= 0; i < cnt; ++i) {
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GrContext* context = NULL;
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#if SK_SUPPORT_GPU
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GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
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if (!GrContextFactory::IsRenderingGLContext(glCtxType)) {
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continue;
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}
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context = factory->get(glCtxType);
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if (NULL == context) {
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continue;
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}
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#endif
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for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) {
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SkImageInfo info, requestInfo;
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size_t rowBytes;
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SkAutoTUnref<SkSurface> surface(createSurface(gRec[i].fType, context,
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&requestInfo));
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surface->getCanvas()->clear(color);
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const void* addr = surface->getCanvas()->peekPixels(&info, &rowBytes);
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bool success = SkToBool(addr);
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REPORTER_ASSERT(reporter, gRec[i].fPeekShouldSucceed == success);
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SkImageInfo info2;
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size_t rb2;
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const void* addr2 = surface->peekPixels(&info2, &rb2);
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if (success) {
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REPORTER_ASSERT(reporter, requestInfo == info);
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REPORTER_ASSERT(reporter, requestInfo.minRowBytes() <= rowBytes);
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REPORTER_ASSERT(reporter, pmcolor == *(const SkPMColor*)addr);
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REPORTER_ASSERT(reporter, addr2 == addr);
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REPORTER_ASSERT(reporter, info2 == info);
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REPORTER_ASSERT(reporter, rb2 == rowBytes);
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} else {
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REPORTER_ASSERT(reporter, NULL == addr2);
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}
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}
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}
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}
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static void TestSurfaceCopyOnWrite(skiatest::Reporter* reporter, SurfaceType surfaceType,
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GrContext* context) {
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// Verify that the right canvas commands trigger a copy on write
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SkSurface* surface = createSurface(surfaceType, context);
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SkAutoTUnref<SkSurface> aur_surface(surface);
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SkCanvas* canvas = surface->getCanvas();
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const SkRect testRect =
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SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
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SkIntToScalar(4), SkIntToScalar(5));
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SkMatrix testMatrix;
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testMatrix.reset();
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testMatrix.setScale(SkIntToScalar(2), SkIntToScalar(3));
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SkPath testPath;
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testPath.addRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
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SkIntToScalar(2), SkIntToScalar(1)));
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const SkIRect testIRect = SkIRect::MakeXYWH(0, 0, 2, 1);
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SkRegion testRegion;
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testRegion.setRect(testIRect);
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const SkColor testColor = 0x01020304;
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const SkPaint testPaint;
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const SkPoint testPoints[3] = {
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{SkIntToScalar(0), SkIntToScalar(0)},
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{SkIntToScalar(2), SkIntToScalar(1)},
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{SkIntToScalar(0), SkIntToScalar(2)}
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};
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const size_t testPointCount = 3;
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SkBitmap testBitmap;
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testBitmap.allocN32Pixels(10, 10);
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testBitmap.eraseColor(0);
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SkRRect testRRect;
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testRRect.setRectXY(testRect, SK_Scalar1, SK_Scalar1);
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SkString testText("Hello World");
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const SkPoint testPoints2[] = {
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{ SkIntToScalar(0), SkIntToScalar(1) },
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{ SkIntToScalar(1), SkIntToScalar(1) },
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{ SkIntToScalar(2), SkIntToScalar(1) },
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{ SkIntToScalar(3), SkIntToScalar(1) },
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{ SkIntToScalar(4), SkIntToScalar(1) },
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{ SkIntToScalar(5), SkIntToScalar(1) },
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{ SkIntToScalar(6), SkIntToScalar(1) },
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{ SkIntToScalar(7), SkIntToScalar(1) },
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{ SkIntToScalar(8), SkIntToScalar(1) },
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{ SkIntToScalar(9), SkIntToScalar(1) },
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{ SkIntToScalar(10), SkIntToScalar(1) },
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};
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#define EXPECT_COPY_ON_WRITE(command) \
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{ \
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SkImage* imageBefore = surface->newImageSnapshot(); \
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SkAutoTUnref<SkImage> aur_before(imageBefore); \
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canvas-> command ; \
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SkImage* imageAfter = surface->newImageSnapshot(); \
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SkAutoTUnref<SkImage> aur_after(imageAfter); \
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REPORTER_ASSERT(reporter, imageBefore != imageAfter); \
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}
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EXPECT_COPY_ON_WRITE(clear(testColor))
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EXPECT_COPY_ON_WRITE(drawPaint(testPaint))
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EXPECT_COPY_ON_WRITE(drawPoints(SkCanvas::kPoints_PointMode, testPointCount, testPoints, \
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testPaint))
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EXPECT_COPY_ON_WRITE(drawOval(testRect, testPaint))
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EXPECT_COPY_ON_WRITE(drawRect(testRect, testPaint))
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EXPECT_COPY_ON_WRITE(drawRRect(testRRect, testPaint))
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EXPECT_COPY_ON_WRITE(drawPath(testPath, testPaint))
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EXPECT_COPY_ON_WRITE(drawBitmap(testBitmap, 0, 0))
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EXPECT_COPY_ON_WRITE(drawBitmapRect(testBitmap, NULL, testRect))
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EXPECT_COPY_ON_WRITE(drawBitmapMatrix(testBitmap, testMatrix, NULL))
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EXPECT_COPY_ON_WRITE(drawBitmapNine(testBitmap, testIRect, testRect, NULL))
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EXPECT_COPY_ON_WRITE(drawSprite(testBitmap, 0, 0, NULL))
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EXPECT_COPY_ON_WRITE(drawText(testText.c_str(), testText.size(), 0, 1, testPaint))
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EXPECT_COPY_ON_WRITE(drawPosText(testText.c_str(), testText.size(), testPoints2, \
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testPaint))
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EXPECT_COPY_ON_WRITE(drawTextOnPath(testText.c_str(), testText.size(), testPath, NULL, \
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testPaint))
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}
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static void TestSurfaceWritableAfterSnapshotRelease(skiatest::Reporter* reporter,
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SurfaceType surfaceType,
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GrContext* context) {
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// This test succeeds by not triggering an assertion.
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// The test verifies that the surface remains writable (usable) after
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// acquiring and releasing a snapshot without triggering a copy on write.
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SkAutoTUnref<SkSurface> surface(createSurface(surfaceType, context));
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SkCanvas* canvas = surface->getCanvas();
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canvas->clear(1);
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surface->newImageSnapshot()->unref(); // Create and destroy SkImage
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canvas->clear(2); // Must not assert internally
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}
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#if SK_SUPPORT_GPU
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static void Test_crbug263329(skiatest::Reporter* reporter,
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SurfaceType surfaceType,
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GrContext* context) {
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// This is a regression test for crbug.com/263329
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// Bug was caused by onCopyOnWrite releasing the old surface texture
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// back to the scratch texture pool even though the texture is used
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// by and active SkImage_Gpu.
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SkAutoTUnref<SkSurface> surface1(createSurface(surfaceType, context));
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SkAutoTUnref<SkSurface> surface2(createSurface(surfaceType, context));
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SkCanvas* canvas1 = surface1->getCanvas();
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SkCanvas* canvas2 = surface2->getCanvas();
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canvas1->clear(1);
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SkAutoTUnref<SkImage> image1(surface1->newImageSnapshot());
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// Trigger copy on write, new backing is a scratch texture
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canvas1->clear(2);
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SkAutoTUnref<SkImage> image2(surface1->newImageSnapshot());
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// Trigger copy on write, old backing should not be returned to scratch
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// pool because it is held by image2
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canvas1->clear(3);
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canvas2->clear(4);
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SkAutoTUnref<SkImage> image3(surface2->newImageSnapshot());
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// Trigger copy on write on surface2. The new backing store should not
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// be recycling a texture that is held by an existing image.
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canvas2->clear(5);
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SkAutoTUnref<SkImage> image4(surface2->newImageSnapshot());
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REPORTER_ASSERT(reporter, image4->getTexture() != image3->getTexture());
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// The following assertion checks crbug.com/263329
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REPORTER_ASSERT(reporter, image4->getTexture() != image2->getTexture());
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REPORTER_ASSERT(reporter, image4->getTexture() != image1->getTexture());
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REPORTER_ASSERT(reporter, image3->getTexture() != image2->getTexture());
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REPORTER_ASSERT(reporter, image3->getTexture() != image1->getTexture());
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REPORTER_ASSERT(reporter, image2->getTexture() != image1->getTexture());
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}
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static void TestGetTexture(skiatest::Reporter* reporter,
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SurfaceType surfaceType,
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GrContext* context) {
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SkAutoTUnref<SkSurface> surface(createSurface(surfaceType, context));
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SkAutoTUnref<SkImage> image(surface->newImageSnapshot());
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GrTexture* texture = image->getTexture();
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if (surfaceType == kGpu_SurfaceType || surfaceType == kGpuScratch_SurfaceType) {
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REPORTER_ASSERT(reporter, texture);
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REPORTER_ASSERT(reporter, 0 != texture->getTextureHandle());
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} else {
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REPORTER_ASSERT(reporter, NULL == texture);
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}
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surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
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REPORTER_ASSERT(reporter, image->getTexture() == texture);
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}
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#endif
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static void TestSurfaceNoCanvas(skiatest::Reporter* reporter,
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SurfaceType surfaceType,
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GrContext* context,
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SkSurface::ContentChangeMode mode) {
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// Verifies the robustness of SkSurface for handling use cases where calls
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// are made before a canvas is created.
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{
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// Test passes by not asserting
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SkSurface* surface = createSurface(surfaceType, context);
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SkAutoTUnref<SkSurface> aur_surface(surface);
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surface->notifyContentWillChange(mode);
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SkDEBUGCODE(surface->validate();)
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}
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{
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SkSurface* surface = createSurface(surfaceType, context);
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SkAutoTUnref<SkSurface> aur_surface(surface);
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SkImage* image1 = surface->newImageSnapshot();
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SkAutoTUnref<SkImage> aur_image1(image1);
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SkDEBUGCODE(image1->validate();)
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SkDEBUGCODE(surface->validate();)
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surface->notifyContentWillChange(mode);
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SkDEBUGCODE(image1->validate();)
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SkDEBUGCODE(surface->validate();)
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SkImage* image2 = surface->newImageSnapshot();
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SkAutoTUnref<SkImage> aur_image2(image2);
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SkDEBUGCODE(image2->validate();)
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SkDEBUGCODE(surface->validate();)
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REPORTER_ASSERT(reporter, image1 != image2);
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}
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}
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DEF_GPUTEST(Surface, reporter, factory) {
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test_image(reporter);
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TestSurfaceCopyOnWrite(reporter, kRaster_SurfaceType, NULL);
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TestSurfaceWritableAfterSnapshotRelease(reporter, kRaster_SurfaceType, NULL);
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TestSurfaceNoCanvas(reporter, kRaster_SurfaceType, NULL, SkSurface::kDiscard_ContentChangeMode);
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TestSurfaceNoCanvas(reporter, kRaster_SurfaceType, NULL, SkSurface::kRetain_ContentChangeMode);
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test_imagepeek(reporter);
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test_canvaspeek(reporter, factory);
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#if SK_SUPPORT_GPU
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TestGetTexture(reporter, kRaster_SurfaceType, NULL);
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if (factory) {
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for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
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GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
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if (!GrContextFactory::IsRenderingGLContext(glCtxType)) {
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continue;
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}
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GrContext* context = factory->get(glCtxType);
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if (context) {
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Test_crbug263329(reporter, kGpu_SurfaceType, context);
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Test_crbug263329(reporter, kGpuScratch_SurfaceType, context);
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TestSurfaceCopyOnWrite(reporter, kGpu_SurfaceType, context);
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TestSurfaceCopyOnWrite(reporter, kGpuScratch_SurfaceType, context);
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TestSurfaceWritableAfterSnapshotRelease(reporter, kGpu_SurfaceType, context);
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TestSurfaceWritableAfterSnapshotRelease(reporter, kGpuScratch_SurfaceType, context);
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TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kDiscard_ContentChangeMode);
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TestSurfaceNoCanvas(reporter, kGpuScratch_SurfaceType, context, SkSurface::kDiscard_ContentChangeMode);
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TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kRetain_ContentChangeMode);
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TestSurfaceNoCanvas(reporter, kGpuScratch_SurfaceType, context, SkSurface::kRetain_ContentChangeMode);
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TestGetTexture(reporter, kGpu_SurfaceType, context);
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TestGetTexture(reporter, kGpuScratch_SurfaceType, context);
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}
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}
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}
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#endif
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}
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