blob: 4efe98592612c8d5e1725a63c05261ee1cd6ce23 [file] [log] [blame]
/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkCanvas.h"
#include "SkData.h"
#include "SkDevice.h"
#include "SkImageEncoder.h"
#include "SkImage_Base.h"
#include "SkPath.h"
#include "SkRRect.h"
#include "SkSurface.h"
#include "SkUtils.h"
#include "Test.h"
#if SK_SUPPORT_GPU
#include "GrContextFactory.h"
#include "GrTest.h"
#else
class GrContextFactory;
class GrContext;
#endif
enum SurfaceType {
kRaster_SurfaceType,
kRasterDirect_SurfaceType,
kGpu_SurfaceType,
kGpuScratch_SurfaceType,
kLastSurfaceType = kGpuScratch_SurfaceType
};
static const int kSurfaceTypeCnt = kLastSurfaceType + 1;
static void release_storage(void* pixels, void* context) {
SkASSERT(pixels == context);
sk_free(pixels);
}
static SkSurface* create_surface(SurfaceType surfaceType, GrContext* context,
SkAlphaType at = kPremul_SkAlphaType,
SkImageInfo* requestedInfo = nullptr) {
const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
if (requestedInfo) {
*requestedInfo = info;
}
switch (surfaceType) {
case kRaster_SurfaceType:
return SkSurface::NewRaster(info);
case kRasterDirect_SurfaceType: {
const size_t rowBytes = info.minRowBytes();
void* storage = sk_malloc_throw(info.getSafeSize(rowBytes));
return SkSurface::NewRasterDirectReleaseProc(info, storage, rowBytes,
release_storage, storage);
}
case kGpu_SurfaceType:
return SkSurface::NewRenderTarget(context, SkSurface::kNo_Budgeted, info, 0, nullptr);
case kGpuScratch_SurfaceType:
return SkSurface::NewRenderTarget(context, SkSurface::kYes_Budgeted, info, 0, nullptr);
}
return nullptr;
}
enum ImageType {
kRasterCopy_ImageType,
kRasterData_ImageType,
kRasterProc_ImageType,
kGpu_ImageType,
kCodec_ImageType,
};
#include "SkImageGenerator.h"
class EmptyGenerator : public SkImageGenerator {
public:
EmptyGenerator() : SkImageGenerator(SkImageInfo::MakeN32Premul(0, 0)) {}
};
static void test_empty_image(skiatest::Reporter* reporter) {
const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType);
REPORTER_ASSERT(reporter, nullptr == SkImage::NewRasterCopy(info, nullptr, 0));
REPORTER_ASSERT(reporter, nullptr == SkImage::NewRasterData(info, nullptr, 0));
REPORTER_ASSERT(reporter, nullptr == SkImage::NewFromRaster(info, nullptr, 0, nullptr, nullptr));
REPORTER_ASSERT(reporter, nullptr == SkImage::NewFromGenerator(new EmptyGenerator));
}
static void test_empty_surface(skiatest::Reporter* reporter, GrContext* ctx) {
const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType);
REPORTER_ASSERT(reporter, nullptr == SkSurface::NewRaster(info));
REPORTER_ASSERT(reporter, nullptr == SkSurface::NewRasterDirect(info, nullptr, 0));
if (ctx) {
REPORTER_ASSERT(reporter, nullptr ==
SkSurface::NewRenderTarget(ctx, SkSurface::kNo_Budgeted, info, 0, nullptr));
}
}
#if SK_SUPPORT_GPU
static void test_wrapped_texture_surface(skiatest::Reporter* reporter, GrContext* ctx) {
if (nullptr == ctx) {
return;
}
const GrGpu* gpu = ctx->getGpu();
if (!gpu) {
return;
}
// Test the wrapped factory for SkSurface by creating a backend texture and then wrap it in
// a SkSurface.
static const int kW = 100;
static const int kH = 100;
static const uint32_t kOrigColor = 0xFFAABBCC;
SkAutoTArray<uint32_t> pixels(kW * kH);
sk_memset32(pixels.get(), kOrigColor, kW * kH);
GrBackendObject texID = gpu->createTestingOnlyBackendTexture(pixels.get(), kW, kH,
kRGBA_8888_GrPixelConfig);
GrBackendTextureDesc wrappedDesc;
wrappedDesc.fConfig = kRGBA_8888_GrPixelConfig;
wrappedDesc.fWidth = kW;
wrappedDesc.fHeight = kH;
wrappedDesc.fOrigin = kBottomLeft_GrSurfaceOrigin;
wrappedDesc.fSampleCnt = 0;
wrappedDesc.fFlags = kRenderTarget_GrBackendTextureFlag;
wrappedDesc.fTextureHandle = texID;
SkAutoTUnref<SkSurface> surface(SkSurface::NewWrappedRenderTarget(ctx, wrappedDesc, nullptr));
REPORTER_ASSERT(reporter, surface);
if (surface) {
// Validate that we can draw to the canvas and that the original texture color is preserved
// in pixels that aren't rendered to via the surface.
SkPaint paint;
static const SkColor kRectColor = ~kOrigColor | 0xFF000000;
paint.setColor(kRectColor);
surface->getCanvas()->drawRect(SkRect::MakeWH(SkIntToScalar(kW), SkIntToScalar(kH)/2),
paint);
SkImageInfo readInfo = SkImageInfo::MakeN32Premul(kW, kH);
surface->readPixels(readInfo, pixels.get(), kW * sizeof(uint32_t), 0, 0);
bool stop = false;
SkPMColor origColorPM = SkPackARGB32((kOrigColor >> 24 & 0xFF),
(kOrigColor >> 0 & 0xFF),
(kOrigColor >> 8 & 0xFF),
(kOrigColor >> 16 & 0xFF));
SkPMColor rectColorPM = SkPackARGB32((kRectColor >> 24 & 0xFF),
(kRectColor >> 16 & 0xFF),
(kRectColor >> 8 & 0xFF),
(kRectColor >> 0 & 0xFF));
for (int y = 0; y < kH/2 && !stop; ++y) {
for (int x = 0; x < kW && !stop; ++x) {
REPORTER_ASSERT(reporter, rectColorPM == pixels[x + y * kW]);
if (rectColorPM != pixels[x + y * kW]) {
stop = true;
}
}
}
stop = false;
for (int y = kH/2; y < kH && !stop; ++y) {
for (int x = 0; x < kW && !stop; ++x) {
REPORTER_ASSERT(reporter, origColorPM == pixels[x + y * kW]);
if (origColorPM != pixels[x + y * kW]) {
stop = true;
}
}
}
}
}
#endif
static void test_image(skiatest::Reporter* reporter) {
SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
size_t rowBytes = info.minRowBytes();
size_t size = info.getSafeSize(rowBytes);
SkData* data = SkData::NewUninitialized(size);
REPORTER_ASSERT(reporter, data->unique());
SkImage* image = SkImage::NewRasterData(info, data, rowBytes);
REPORTER_ASSERT(reporter, !data->unique());
image->unref();
REPORTER_ASSERT(reporter, data->unique());
data->unref();
}
// Want to ensure that our Release is called when the owning image is destroyed
struct ReleaseDataContext {
skiatest::Reporter* fReporter;
SkData* fData;
static void Release(const void* pixels, void* context) {
ReleaseDataContext* state = (ReleaseDataContext*)context;
REPORTER_ASSERT(state->fReporter, state->fData);
state->fData->unref();
state->fData = nullptr;
}
};
// May we (soon) eliminate the need to keep testing this, by hiding the bloody device!
#include "SkDevice.h"
static uint32_t get_legacy_gen_id(SkSurface* surf) {
SkBaseDevice* device = surf->getCanvas()->getDevice_just_for_deprecated_compatibility_testing();
return device->accessBitmap(false).getGenerationID();
}
/*
* Test legacy behavor of bumping the surface's device's bitmap's genID when we access its
* texture handle for writing.
*
* Note: this needs to be tested separately from checking newImageSnapshot, as calling that
* can also incidentally bump the genID (when a new backing surface is created).
*/
template <class F>
static void test_texture_handle_genID(skiatest::Reporter* reporter, SkSurface* surf, F f) {
const uint32_t gen0 = get_legacy_gen_id(surf);
f(surf, SkSurface::kFlushRead_BackendHandleAccess);
const uint32_t gen1 = get_legacy_gen_id(surf);
REPORTER_ASSERT(reporter, gen0 == gen1);
f(surf, SkSurface::kFlushWrite_BackendHandleAccess);
const uint32_t gen2 = get_legacy_gen_id(surf);
REPORTER_ASSERT(reporter, gen0 != gen2);
f(surf, SkSurface::kDiscardWrite_BackendHandleAccess);
const uint32_t gen3 = get_legacy_gen_id(surf);
REPORTER_ASSERT(reporter, gen0 != gen3);
REPORTER_ASSERT(reporter, gen2 != gen3);
}
template <class F>
static void test_backend_handle(skiatest::Reporter* reporter, SkSurface* surf, F f) {
SkAutoTUnref<SkImage> image0(surf->newImageSnapshot());
GrBackendObject obj = f(surf, SkSurface::kFlushRead_BackendHandleAccess);
REPORTER_ASSERT(reporter, obj != 0);
SkAutoTUnref<SkImage> image1(surf->newImageSnapshot());
// just read access should not affect the snapshot
REPORTER_ASSERT(reporter, image0->uniqueID() == image1->uniqueID());
obj = f(surf, SkSurface::kFlushWrite_BackendHandleAccess);
REPORTER_ASSERT(reporter, obj != 0);
SkAutoTUnref<SkImage> image2(surf->newImageSnapshot());
// expect a new image, since we claimed we would write
REPORTER_ASSERT(reporter, image0->uniqueID() != image2->uniqueID());
obj = f(surf, SkSurface::kDiscardWrite_BackendHandleAccess);
REPORTER_ASSERT(reporter, obj != 0);
SkAutoTUnref<SkImage> image3(surf->newImageSnapshot());
// expect a new(er) image, since we claimed we would write
REPORTER_ASSERT(reporter, image0->uniqueID() != image3->uniqueID());
REPORTER_ASSERT(reporter, image2->uniqueID() != image3->uniqueID());
}
static SkImage* create_image(skiatest::Reporter* reporter,
ImageType imageType, GrContext* context, SkColor color,
ReleaseDataContext* releaseContext) {
const SkPMColor pmcolor = SkPreMultiplyColor(color);
const SkImageInfo info = SkImageInfo::MakeN32Premul(10, 10);
const size_t rowBytes = info.minRowBytes();
const size_t size = rowBytes * info.height();
SkAutoTUnref<SkData> data(SkData::NewUninitialized(size));
void* addr = data->writable_data();
sk_memset32((SkPMColor*)addr, pmcolor, SkToInt(size >> 2));
switch (imageType) {
case kRasterCopy_ImageType:
return SkImage::NewRasterCopy(info, addr, rowBytes);
case kRasterData_ImageType:
return SkImage::NewRasterData(info, data, rowBytes);
case kRasterProc_ImageType:
SkASSERT(releaseContext);
releaseContext->fData = SkRef(data.get());
return SkImage::NewFromRaster(info, addr, rowBytes,
ReleaseDataContext::Release, releaseContext);
case kGpu_ImageType: {
SkAutoTUnref<SkSurface> surf(
SkSurface::NewRenderTarget(context, SkSurface::kNo_Budgeted, info, 0));
surf->getCanvas()->clear(color);
// test our backing texture / rendertarget while were here...
auto textureAccessorFunc =
[](SkSurface* surf, SkSurface::BackendHandleAccess access) -> GrBackendObject {
return surf->getTextureHandle(access); };
auto renderTargetAccessorFunc =
[](SkSurface* surf, SkSurface::BackendHandleAccess access) -> GrBackendObject {
GrBackendObject obj;
SkAssertResult(surf->getRenderTargetHandle(&obj, access));
return obj; };
test_backend_handle(reporter, surf, textureAccessorFunc);
test_backend_handle(reporter, surf, renderTargetAccessorFunc);
test_texture_handle_genID(reporter, surf, textureAccessorFunc);
test_texture_handle_genID(reporter, surf, renderTargetAccessorFunc);
// redraw so our returned image looks as expected.
surf->getCanvas()->clear(color);
return surf->newImageSnapshot();
}
case kCodec_ImageType: {
SkBitmap bitmap;
bitmap.installPixels(info, addr, rowBytes);
SkAutoTUnref<SkData> src(
SkImageEncoder::EncodeData(bitmap, SkImageEncoder::kPNG_Type, 100));
return SkImage::NewFromEncoded(src);
}
}
SkASSERT(false);
return nullptr;
}
static void set_pixels(SkPMColor pixels[], int count, SkPMColor color) {
sk_memset32(pixels, color, count);
}
static bool has_pixels(const SkPMColor pixels[], int count, SkPMColor expected) {
for (int i = 0; i < count; ++i) {
if (pixels[i] != expected) {
return false;
}
}
return true;
}
static void test_image_readpixels(skiatest::Reporter* reporter, SkImage* image,
SkPMColor expected) {
const SkPMColor notExpected = ~expected;
const int w = 2, h = 2;
const size_t rowBytes = w * sizeof(SkPMColor);
SkPMColor pixels[w*h];
SkImageInfo info;
info = SkImageInfo::MakeUnknown(w, h);
REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, 0));
// out-of-bounds should fail
info = SkImageInfo::MakeN32Premul(w, h);
REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, -w, 0));
REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, -h));
REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, image->width(), 0));
REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, image->height()));
// top-left should succeed
set_pixels(pixels, w*h, notExpected);
REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, 0, 0));
REPORTER_ASSERT(reporter, has_pixels(pixels, w*h, expected));
// bottom-right should succeed
set_pixels(pixels, w*h, notExpected);
REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes,
image->width() - w, image->height() - h));
REPORTER_ASSERT(reporter, has_pixels(pixels, w*h, expected));
// partial top-left should succeed
set_pixels(pixels, w*h, notExpected);
REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, -1, -1));
REPORTER_ASSERT(reporter, pixels[3] == expected);
REPORTER_ASSERT(reporter, has_pixels(pixels, w*h - 1, notExpected));
// partial bottom-right should succeed
set_pixels(pixels, w*h, notExpected);
REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes,
image->width() - 1, image->height() - 1));
REPORTER_ASSERT(reporter, pixels[0] == expected);
REPORTER_ASSERT(reporter, has_pixels(&pixels[1], w*h - 1, notExpected));
}
static void check_legacy_bitmap(skiatest::Reporter* reporter, const SkImage* image,
const SkBitmap& bitmap, SkImage::LegacyBitmapMode mode) {
REPORTER_ASSERT(reporter, image->width() == bitmap.width());
REPORTER_ASSERT(reporter, image->height() == bitmap.height());
REPORTER_ASSERT(reporter, image->isOpaque() == bitmap.isOpaque());
if (SkImage::kRO_LegacyBitmapMode == mode) {
REPORTER_ASSERT(reporter, bitmap.isImmutable());
}
SkAutoLockPixels alp(bitmap);
REPORTER_ASSERT(reporter, bitmap.getPixels());
const SkImageInfo info = SkImageInfo::MakeN32(1, 1, bitmap.alphaType());
SkPMColor imageColor;
REPORTER_ASSERT(reporter, image->readPixels(info, &imageColor, sizeof(SkPMColor), 0, 0));
REPORTER_ASSERT(reporter, imageColor == *bitmap.getAddr32(0, 0));
}
static void test_legacy_bitmap(skiatest::Reporter* reporter, const SkImage* image) {
const SkImage::LegacyBitmapMode modes[] = {
SkImage::kRO_LegacyBitmapMode,
SkImage::kRW_LegacyBitmapMode,
};
for (size_t i = 0; i < SK_ARRAY_COUNT(modes); ++i) {
SkBitmap bitmap;
REPORTER_ASSERT(reporter, image->asLegacyBitmap(&bitmap, modes[i]));
check_legacy_bitmap(reporter, image, bitmap, modes[i]);
// Test subsetting to exercise the rowBytes logic.
SkBitmap tmp;
REPORTER_ASSERT(reporter, bitmap.extractSubset(&tmp, SkIRect::MakeWH(image->width() / 2,
image->height() / 2)));
SkAutoTUnref<SkImage> subsetImage(SkImage::NewFromBitmap(tmp));
REPORTER_ASSERT(reporter, subsetImage);
SkBitmap subsetBitmap;
REPORTER_ASSERT(reporter, subsetImage->asLegacyBitmap(&subsetBitmap, modes[i]));
check_legacy_bitmap(reporter, subsetImage, subsetBitmap, modes[i]);
}
}
static void test_imagepeek(skiatest::Reporter* reporter, GrContextFactory* factory) {
static const struct {
ImageType fType;
bool fPeekShouldSucceed;
const char* fName;
} gRec[] = {
{ kRasterCopy_ImageType, true, "RasterCopy" },
{ kRasterData_ImageType, true, "RasterData" },
{ kRasterProc_ImageType, true, "RasterProc" },
{ kGpu_ImageType, false, "Gpu" },
{ kCodec_ImageType, false, "Codec" },
};
const SkColor color = SK_ColorRED;
const SkPMColor pmcolor = SkPreMultiplyColor(color);
GrContext* ctx = nullptr;
#if SK_SUPPORT_GPU
ctx = factory->get(GrContextFactory::kNative_GLContextType);
if (nullptr == ctx) {
return;
}
#endif
ReleaseDataContext releaseCtx;
releaseCtx.fReporter = reporter;
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) {
SkImageInfo info;
size_t rowBytes;
releaseCtx.fData = nullptr;
SkAutoTUnref<SkImage> image(create_image(reporter, gRec[i].fType, ctx, color, &releaseCtx));
if (!image.get()) {
SkDebugf("failed to createImage[%d] %s\n", i, gRec[i].fName);
continue; // gpu may not be enabled
}
if (kRasterProc_ImageType == gRec[i].fType) {
REPORTER_ASSERT(reporter, nullptr != releaseCtx.fData); // we are tracking the data
} else {
REPORTER_ASSERT(reporter, nullptr == releaseCtx.fData); // we ignored the context
}
test_legacy_bitmap(reporter, image);
const void* addr = image->peekPixels(&info, &rowBytes);
bool success = SkToBool(addr);
REPORTER_ASSERT(reporter, gRec[i].fPeekShouldSucceed == success);
if (success) {
REPORTER_ASSERT(reporter, 10 == info.width());
REPORTER_ASSERT(reporter, 10 == info.height());
REPORTER_ASSERT(reporter, kN32_SkColorType == info.colorType());
REPORTER_ASSERT(reporter, kPremul_SkAlphaType == info.alphaType() ||
kOpaque_SkAlphaType == info.alphaType());
REPORTER_ASSERT(reporter, info.minRowBytes() <= rowBytes);
REPORTER_ASSERT(reporter, pmcolor == *(const SkPMColor*)addr);
}
test_image_readpixels(reporter, image, pmcolor);
}
REPORTER_ASSERT(reporter, nullptr == releaseCtx.fData); // we released the data
}
static void test_canvaspeek(skiatest::Reporter* reporter,
GrContextFactory* factory) {
static const struct {
SurfaceType fType;
bool fPeekShouldSucceed;
} gRec[] = {
{ kRaster_SurfaceType, true },
{ kRasterDirect_SurfaceType, true },
#if SK_SUPPORT_GPU
{ kGpu_SurfaceType, false },
{ kGpuScratch_SurfaceType, false },
#endif
};
const SkColor color = SK_ColorRED;
const SkPMColor pmcolor = SkPreMultiplyColor(color);
int cnt;
#if SK_SUPPORT_GPU
cnt = GrContextFactory::kGLContextTypeCnt;
#else
cnt = 1;
#endif
for (int i= 0; i < cnt; ++i) {
GrContext* context = nullptr;
#if SK_SUPPORT_GPU
GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
if (!GrContextFactory::IsRenderingGLContext(glCtxType)) {
continue;
}
context = factory->get(glCtxType);
if (nullptr == context) {
continue;
}
#endif
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) {
SkImageInfo info, requestInfo;
size_t rowBytes;
SkAutoTUnref<SkSurface> surface(create_surface(gRec[i].fType, context,
kPremul_SkAlphaType, &requestInfo));
surface->getCanvas()->clear(color);
const void* addr = surface->getCanvas()->peekPixels(&info, &rowBytes);
bool success = SkToBool(addr);
REPORTER_ASSERT(reporter, gRec[i].fPeekShouldSucceed == success);
SkImageInfo info2;
size_t rb2;
const void* addr2 = surface->peekPixels(&info2, &rb2);
if (success) {
REPORTER_ASSERT(reporter, requestInfo == info);
REPORTER_ASSERT(reporter, requestInfo.minRowBytes() <= rowBytes);
REPORTER_ASSERT(reporter, pmcolor == *(const SkPMColor*)addr);
REPORTER_ASSERT(reporter, addr2 == addr);
REPORTER_ASSERT(reporter, info2 == info);
REPORTER_ASSERT(reporter, rb2 == rowBytes);
} else {
REPORTER_ASSERT(reporter, nullptr == addr2);
}
}
}
}
// For compatibility with clients that still call accessBitmap(), we need to ensure that we bump
// the bitmap's genID when we draw to it, else they won't know it has new values. When they are
// exclusively using surface/image, and we can hide accessBitmap from device, we can remove this
// test.
static void test_accessPixels(skiatest::Reporter* reporter, GrContextFactory* factory) {
static const struct {
SurfaceType fType;
bool fPeekShouldSucceed;
} gRec[] = {
{ kRaster_SurfaceType, true },
{ kRasterDirect_SurfaceType, true },
#if SK_SUPPORT_GPU
{ kGpu_SurfaceType, false },
{ kGpuScratch_SurfaceType, false },
#endif
};
int cnt;
#if SK_SUPPORT_GPU
cnt = GrContextFactory::kGLContextTypeCnt;
#else
cnt = 1;
#endif
for (int i= 0; i < cnt; ++i) {
GrContext* context = nullptr;
#if SK_SUPPORT_GPU
GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
if (!GrContextFactory::IsRenderingGLContext(glCtxType)) {
continue;
}
context = factory->get(glCtxType);
if (nullptr == context) {
continue;
}
#endif
for (size_t j = 0; j < SK_ARRAY_COUNT(gRec); ++j) {
SkImageInfo info, requestInfo;
SkAutoTUnref<SkSurface> surface(create_surface(gRec[j].fType, context,
kPremul_SkAlphaType, &requestInfo));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(0);
SkBaseDevice* device = canvas->getDevice_just_for_deprecated_compatibility_testing();
SkBitmap bm = device->accessBitmap(false);
uint32_t genID0 = bm.getGenerationID();
// Now we draw something, which needs to "dirty" the genID (sorta like copy-on-write)
canvas->drawColor(SK_ColorBLUE);
// Now check that we get a different genID
uint32_t genID1 = bm.getGenerationID();
REPORTER_ASSERT(reporter, genID0 != genID1);
}
}
}
static void test_snap_alphatype(skiatest::Reporter* reporter, GrContextFactory* factory) {
GrContext* context = nullptr;
#if SK_SUPPORT_GPU
context = factory->get(GrContextFactory::kNative_GLContextType);
if (nullptr == context) {
return;
}
#endif
for (int opaque = 0; opaque < 2; ++opaque) {
SkAlphaType atype = SkToBool(opaque) ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
for (int st = 0; st < kSurfaceTypeCnt; ++st) {
SurfaceType stype = (SurfaceType)st;
SkAutoTUnref<SkSurface> surface(create_surface(stype, context, atype));
REPORTER_ASSERT(reporter, surface);
if (surface) {
SkAutoTUnref<SkImage> image(surface->newImageSnapshot());
REPORTER_ASSERT(reporter, image);
if (image) {
REPORTER_ASSERT(reporter, image->isOpaque() == SkToBool(opaque));
}
}
}
}
}
static void test_backend_cow(skiatest::Reporter* reporter, SkSurface* surface,
SkSurface::BackendHandleAccess mode,
GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) {
GrBackendObject obj1 = func(surface, mode);
SkAutoTUnref<SkImage> snap1(surface->newImageSnapshot());
GrBackendObject obj2 = func(surface, mode);
SkAutoTUnref<SkImage> snap2(surface->newImageSnapshot());
// If the access mode triggers CoW, then the backend objects should reflect it.
REPORTER_ASSERT(reporter, (obj1 == obj2) == (snap1 == snap2));
}
static void TestSurfaceCopyOnWrite(skiatest::Reporter* reporter, SurfaceType surfaceType,
GrContext* context) {
// Verify that the right canvas commands trigger a copy on write
SkSurface* surface = create_surface(surfaceType, context);
SkAutoTUnref<SkSurface> aur_surface(surface);
SkCanvas* canvas = surface->getCanvas();
const SkRect testRect =
SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(4), SkIntToScalar(5));
SkPath testPath;
testPath.addRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(2), SkIntToScalar(1)));
const SkIRect testIRect = SkIRect::MakeXYWH(0, 0, 2, 1);
SkRegion testRegion;
testRegion.setRect(testIRect);
const SkColor testColor = 0x01020304;
const SkPaint testPaint;
const SkPoint testPoints[3] = {
{SkIntToScalar(0), SkIntToScalar(0)},
{SkIntToScalar(2), SkIntToScalar(1)},
{SkIntToScalar(0), SkIntToScalar(2)}
};
const size_t testPointCount = 3;
SkBitmap testBitmap;
testBitmap.allocN32Pixels(10, 10);
testBitmap.eraseColor(0);
SkRRect testRRect;
testRRect.setRectXY(testRect, SK_Scalar1, SK_Scalar1);
SkString testText("Hello World");
const SkPoint testPoints2[] = {
{ SkIntToScalar(0), SkIntToScalar(1) },
{ SkIntToScalar(1), SkIntToScalar(1) },
{ SkIntToScalar(2), SkIntToScalar(1) },
{ SkIntToScalar(3), SkIntToScalar(1) },
{ SkIntToScalar(4), SkIntToScalar(1) },
{ SkIntToScalar(5), SkIntToScalar(1) },
{ SkIntToScalar(6), SkIntToScalar(1) },
{ SkIntToScalar(7), SkIntToScalar(1) },
{ SkIntToScalar(8), SkIntToScalar(1) },
{ SkIntToScalar(9), SkIntToScalar(1) },
{ SkIntToScalar(10), SkIntToScalar(1) },
};
#define EXPECT_COPY_ON_WRITE(command) \
{ \
SkImage* imageBefore = surface->newImageSnapshot(); \
SkAutoTUnref<SkImage> aur_before(imageBefore); \
canvas-> command ; \
SkImage* imageAfter = surface->newImageSnapshot(); \
SkAutoTUnref<SkImage> aur_after(imageAfter); \
REPORTER_ASSERT(reporter, imageBefore != imageAfter); \
}
EXPECT_COPY_ON_WRITE(clear(testColor))
EXPECT_COPY_ON_WRITE(drawPaint(testPaint))
EXPECT_COPY_ON_WRITE(drawPoints(SkCanvas::kPoints_PointMode, testPointCount, testPoints, \
testPaint))
EXPECT_COPY_ON_WRITE(drawOval(testRect, testPaint))
EXPECT_COPY_ON_WRITE(drawRect(testRect, testPaint))
EXPECT_COPY_ON_WRITE(drawRRect(testRRect, testPaint))
EXPECT_COPY_ON_WRITE(drawPath(testPath, testPaint))
EXPECT_COPY_ON_WRITE(drawBitmap(testBitmap, 0, 0))
EXPECT_COPY_ON_WRITE(drawBitmapRect(testBitmap, testRect, nullptr))
EXPECT_COPY_ON_WRITE(drawBitmapNine(testBitmap, testIRect, testRect, nullptr))
EXPECT_COPY_ON_WRITE(drawSprite(testBitmap, 0, 0, nullptr))
EXPECT_COPY_ON_WRITE(drawText(testText.c_str(), testText.size(), 0, 1, testPaint))
EXPECT_COPY_ON_WRITE(drawPosText(testText.c_str(), testText.size(), testPoints2, \
testPaint))
EXPECT_COPY_ON_WRITE(drawTextOnPath(testText.c_str(), testText.size(), testPath, nullptr, \
testPaint))
const SkSurface::BackendHandleAccess accessModes[] = {
SkSurface::kFlushRead_BackendHandleAccess,
SkSurface::kFlushWrite_BackendHandleAccess,
SkSurface::kDiscardWrite_BackendHandleAccess,
};
for (auto access : accessModes) {
test_backend_cow(reporter, surface, access,
[](SkSurface* s, SkSurface::BackendHandleAccess a) -> GrBackendObject {
return s->getTextureHandle(a);
});
test_backend_cow(reporter, surface, access,
[](SkSurface* s, SkSurface::BackendHandleAccess a) -> GrBackendObject {
GrBackendObject result;
if (!s->getRenderTargetHandle(&result, a)) {
return 0;
}
return result;
});
}
}
static void TestSurfaceWritableAfterSnapshotRelease(skiatest::Reporter* reporter,
SurfaceType surfaceType,
GrContext* context) {
// This test succeeds by not triggering an assertion.
// The test verifies that the surface remains writable (usable) after
// acquiring and releasing a snapshot without triggering a copy on write.
SkAutoTUnref<SkSurface> surface(create_surface(surfaceType, context));
SkCanvas* canvas = surface->getCanvas();
canvas->clear(1);
surface->newImageSnapshot()->unref(); // Create and destroy SkImage
canvas->clear(2); // Must not assert internally
}
#if SK_SUPPORT_GPU
static void Test_crbug263329(skiatest::Reporter* reporter,
SurfaceType surfaceType,
GrContext* context) {
// This is a regression test for crbug.com/263329
// Bug was caused by onCopyOnWrite releasing the old surface texture
// back to the scratch texture pool even though the texture is used
// by and active SkImage_Gpu.
SkAutoTUnref<SkSurface> surface1(create_surface(surfaceType, context));
SkAutoTUnref<SkSurface> surface2(create_surface(surfaceType, context));
SkCanvas* canvas1 = surface1->getCanvas();
SkCanvas* canvas2 = surface2->getCanvas();
canvas1->clear(1);
SkAutoTUnref<SkImage> image1(surface1->newImageSnapshot());
// Trigger copy on write, new backing is a scratch texture
canvas1->clear(2);
SkAutoTUnref<SkImage> image2(surface1->newImageSnapshot());
// Trigger copy on write, old backing should not be returned to scratch
// pool because it is held by image2
canvas1->clear(3);
canvas2->clear(4);
SkAutoTUnref<SkImage> image3(surface2->newImageSnapshot());
// Trigger copy on write on surface2. The new backing store should not
// be recycling a texture that is held by an existing image.
canvas2->clear(5);
SkAutoTUnref<SkImage> image4(surface2->newImageSnapshot());
REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image3)->getTexture());
// The following assertion checks crbug.com/263329
REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image2)->getTexture());
REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image1)->getTexture());
REPORTER_ASSERT(reporter, as_IB(image3)->getTexture() != as_IB(image2)->getTexture());
REPORTER_ASSERT(reporter, as_IB(image3)->getTexture() != as_IB(image1)->getTexture());
REPORTER_ASSERT(reporter, as_IB(image2)->getTexture() != as_IB(image1)->getTexture());
}
static void TestGetTexture(skiatest::Reporter* reporter,
SurfaceType surfaceType,
GrContext* context) {
SkAutoTUnref<SkSurface> surface(create_surface(surfaceType, context));
SkAutoTUnref<SkImage> image(surface->newImageSnapshot());
GrTexture* texture = as_IB(image)->getTexture();
if (surfaceType == kGpu_SurfaceType || surfaceType == kGpuScratch_SurfaceType) {
REPORTER_ASSERT(reporter, texture);
REPORTER_ASSERT(reporter, 0 != texture->getTextureHandle());
} else {
REPORTER_ASSERT(reporter, nullptr == texture);
}
surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
REPORTER_ASSERT(reporter, as_IB(image)->getTexture() == texture);
}
#include "GrGpuResourcePriv.h"
#include "SkGpuDevice.h"
#include "SkImage_Gpu.h"
#include "SkSurface_Gpu.h"
SkSurface::Budgeted is_budgeted(SkSurface* surf) {
return ((SkSurface_Gpu*)surf)->getDevice()->accessRenderTarget()->resourcePriv().isBudgeted() ?
SkSurface::kYes_Budgeted : SkSurface::kNo_Budgeted;
}
SkSurface::Budgeted is_budgeted(SkImage* image) {
return ((SkImage_Gpu*)image)->getTexture()->resourcePriv().isBudgeted() ?
SkSurface::kYes_Budgeted : SkSurface::kNo_Budgeted;
}
static void test_surface_budget(skiatest::Reporter* reporter, GrContext* context) {
SkImageInfo info = SkImageInfo::MakeN32Premul(8,8);
for (int i = 0; i < 2; ++i) {
SkSurface::Budgeted sbudgeted = i ? SkSurface::kYes_Budgeted : SkSurface::kNo_Budgeted;
for (int j = 0; j < 2; ++j) {
SkSurface::Budgeted ibudgeted = j ? SkSurface::kYes_Budgeted : SkSurface::kNo_Budgeted;
SkAutoTUnref<SkSurface>
surface(SkSurface::NewRenderTarget(context, sbudgeted, info, 0));
SkASSERT(surface);
REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(surface));
SkAutoTUnref<SkImage> image(surface->newImageSnapshot(ibudgeted));
// Initially the image shares a texture with the surface, and the surface decides
// whether it is budgeted or not.
REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(surface));
REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(image));
// Now trigger copy-on-write
surface->getCanvas()->clear(SK_ColorBLUE);
// They don't share a texture anymore. They should each have made their own budget
// decision.
REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(surface));
REPORTER_ASSERT(reporter, ibudgeted == is_budgeted(image));
}
}
}
#endif
static void TestSurfaceNoCanvas(skiatest::Reporter* reporter,
SurfaceType surfaceType,
GrContext* context,
SkSurface::ContentChangeMode mode) {
// Verifies the robustness of SkSurface for handling use cases where calls
// are made before a canvas is created.
{
// Test passes by not asserting
SkSurface* surface = create_surface(surfaceType, context);
SkAutoTUnref<SkSurface> aur_surface(surface);
surface->notifyContentWillChange(mode);
SkDEBUGCODE(surface->validate();)
}
{
SkSurface* surface = create_surface(surfaceType, context);
SkAutoTUnref<SkSurface> aur_surface(surface);
SkImage* image1 = surface->newImageSnapshot();
SkAutoTUnref<SkImage> aur_image1(image1);
SkDEBUGCODE(image1->validate();)
SkDEBUGCODE(surface->validate();)
surface->notifyContentWillChange(mode);
SkDEBUGCODE(image1->validate();)
SkDEBUGCODE(surface->validate();)
SkImage* image2 = surface->newImageSnapshot();
SkAutoTUnref<SkImage> aur_image2(image2);
SkDEBUGCODE(image2->validate();)
SkDEBUGCODE(surface->validate();)
REPORTER_ASSERT(reporter, image1 != image2);
}
}
DEF_GPUTEST(Surface, reporter, factory) {
test_image(reporter);
TestSurfaceCopyOnWrite(reporter, kRaster_SurfaceType, nullptr);
TestSurfaceWritableAfterSnapshotRelease(reporter, kRaster_SurfaceType, nullptr);
TestSurfaceNoCanvas(reporter, kRaster_SurfaceType, nullptr, SkSurface::kDiscard_ContentChangeMode);
TestSurfaceNoCanvas(reporter, kRaster_SurfaceType, nullptr, SkSurface::kRetain_ContentChangeMode);
test_empty_image(reporter);
test_empty_surface(reporter, nullptr);
test_imagepeek(reporter, factory);
test_canvaspeek(reporter, factory);
test_accessPixels(reporter, factory);
test_snap_alphatype(reporter, factory);
#if SK_SUPPORT_GPU
TestGetTexture(reporter, kRaster_SurfaceType, nullptr);
if (factory) {
for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) {
GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i;
if (!GrContextFactory::IsRenderingGLContext(glCtxType)) {
continue;
}
GrContext* context = factory->get(glCtxType);
if (context) {
Test_crbug263329(reporter, kGpu_SurfaceType, context);
Test_crbug263329(reporter, kGpuScratch_SurfaceType, context);
TestSurfaceCopyOnWrite(reporter, kGpu_SurfaceType, context);
TestSurfaceCopyOnWrite(reporter, kGpuScratch_SurfaceType, context);
TestSurfaceWritableAfterSnapshotRelease(reporter, kGpu_SurfaceType, context);
TestSurfaceWritableAfterSnapshotRelease(reporter, kGpuScratch_SurfaceType, context);
TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kDiscard_ContentChangeMode);
TestSurfaceNoCanvas(reporter, kGpuScratch_SurfaceType, context, SkSurface::kDiscard_ContentChangeMode);
TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kRetain_ContentChangeMode);
TestSurfaceNoCanvas(reporter, kGpuScratch_SurfaceType, context, SkSurface::kRetain_ContentChangeMode);
TestGetTexture(reporter, kGpu_SurfaceType, context);
TestGetTexture(reporter, kGpuScratch_SurfaceType, context);
test_empty_surface(reporter, context);
test_surface_budget(reporter, context);
test_wrapped_texture_surface(reporter, context);
}
}
}
#endif
}
#if SK_SUPPORT_GPU
struct ReleaseTextureContext {
ReleaseTextureContext(skiatest::Reporter* reporter) {
fReporter = reporter;
fIsReleased = false;
}
skiatest::Reporter* fReporter;
bool fIsReleased;
void doRelease() {
REPORTER_ASSERT(fReporter, false == fIsReleased);
fIsReleased = true;
}
static void ReleaseProc(void* context) {
((ReleaseTextureContext*)context)->doRelease();
}
};
static SkImage* make_desc_image(GrContext* ctx, int w, int h, GrBackendObject texID,
ReleaseTextureContext* releaseContext) {
GrBackendTextureDesc desc;
desc.fConfig = kSkia8888_GrPixelConfig;
// need to be a rendertarget for now...
desc.fFlags = kRenderTarget_GrBackendTextureFlag;
desc.fWidth = w;
desc.fHeight = h;
desc.fSampleCnt = 0;
desc.fTextureHandle = texID;
return releaseContext
? SkImage::NewFromTexture(ctx, desc, kPremul_SkAlphaType,
ReleaseTextureContext::ReleaseProc, releaseContext)
: SkImage::NewFromTextureCopy(ctx, desc, kPremul_SkAlphaType);
}
static void test_image_color(skiatest::Reporter* reporter, SkImage* image, SkPMColor expected) {
const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1);
SkPMColor pixel;
REPORTER_ASSERT(reporter, image->readPixels(info, &pixel, sizeof(pixel), 0, 0));
REPORTER_ASSERT(reporter, pixel == expected);
}
DEF_GPUTEST(SkImage_NewFromTexture, reporter, factory) {
GrContext* ctx = factory->get(GrContextFactory::kNative_GLContextType);
if (!ctx) {
REPORTER_ASSERT(reporter, false);
return;
}
GrTextureProvider* provider = ctx->textureProvider();
const int w = 10;
const int h = 10;
SkPMColor storage[w * h];
const SkPMColor expected0 = SkPreMultiplyColor(SK_ColorRED);
sk_memset32(storage, expected0, w * h);
GrSurfaceDesc desc;
desc.fFlags = kRenderTarget_GrSurfaceFlag; // needs to be a rendertarget for readpixels();
desc.fOrigin = kDefault_GrSurfaceOrigin;
desc.fWidth = w;
desc.fHeight = h;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fSampleCnt = 0;
SkAutoTUnref<GrTexture> tex(provider->createTexture(desc, false, storage, w * 4));
if (!tex) {
REPORTER_ASSERT(reporter, false);
return;
}
GrBackendObject srcTex = tex->getTextureHandle();
ReleaseTextureContext releaseCtx(reporter);
SkAutoTUnref<SkImage> refImg(make_desc_image(ctx, w, h, srcTex, &releaseCtx));
SkAutoTUnref<SkImage> cpyImg(make_desc_image(ctx, w, h, srcTex, nullptr));
test_image_color(reporter, refImg, expected0);
test_image_color(reporter, cpyImg, expected0);
// Now lets jam new colors into our "external" texture, and see if the images notice
const SkPMColor expected1 = SkPreMultiplyColor(SK_ColorBLUE);
sk_memset32(storage, expected1, w * h);
tex->writePixels(0, 0, w, h, kSkia8888_GrPixelConfig, storage, GrContext::kFlushWrites_PixelOp);
// The cpy'd one should still see the old color
#if 0
// There is no guarantee that refImg sees the new color. We are free to have made a copy. Our
// write pixels call violated the contract with refImg and refImg is now undefined.
test_image_color(reporter, refImg, expected1);
#endif
test_image_color(reporter, cpyImg, expected0);
// Now exercise the release proc
REPORTER_ASSERT(reporter, !releaseCtx.fIsReleased);
refImg.reset(nullptr); // force a release of the image
REPORTER_ASSERT(reporter, releaseCtx.fIsReleased);
}
#endif