skia2/tests/SurfaceTest.cpp

900 lines
39 KiB
C++

/*
* 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 <functional>
#include "SkCanvas.h"
#include "SkData.h"
#include "SkDevice.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 "GrContext.h"
#include "GrGpu.h"
#endif
#include <initializer_list>
static void release_direct_surface_storage(void* pixels, void* context) {
SkASSERT(pixels == context);
sk_free(pixels);
}
static sk_sp<SkSurface> create_surface(SkAlphaType at = kPremul_SkAlphaType,
SkImageInfo* requestedInfo = nullptr) {
const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
if (requestedInfo) {
*requestedInfo = info;
}
return SkSurface::MakeRaster(info);
}
static sk_sp<SkSurface> create_direct_surface(SkAlphaType at = kPremul_SkAlphaType,
SkImageInfo* requestedInfo = nullptr) {
const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
if (requestedInfo) {
*requestedInfo = info;
}
const size_t rowBytes = info.minRowBytes();
void* storage = sk_malloc_throw(info.getSafeSize(rowBytes));
return SkSurface::MakeRasterDirectReleaseProc(info, storage, rowBytes,
release_direct_surface_storage,
storage);
}
#if SK_SUPPORT_GPU
static sk_sp<SkSurface> create_gpu_surface(GrContext* context, SkAlphaType at = kPremul_SkAlphaType,
SkImageInfo* requestedInfo = nullptr) {
const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
if (requestedInfo) {
*requestedInfo = info;
}
return SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info, 0, nullptr);
}
static sk_sp<SkSurface> create_gpu_scratch_surface(GrContext* context,
SkAlphaType at = kPremul_SkAlphaType,
SkImageInfo* requestedInfo = nullptr) {
const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
if (requestedInfo) {
*requestedInfo = info;
}
return SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info, 0, nullptr);
}
#endif
DEF_TEST(SurfaceEmpty, reporter) {
const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType);
REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRaster(info));
REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRasterDirect(info, nullptr, 0));
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceEmpty_Gpu, reporter, ctxInfo) {
const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType);
REPORTER_ASSERT(reporter, nullptr ==
SkSurface::MakeRenderTarget(ctxInfo.fGrContext, SkBudgeted::kNo, info, 0,
nullptr));
}
#endif
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceWrappedTexture, reporter, ctxInfo) {
GrGpu* gpu = ctxInfo.fGrContext->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 texHandle = 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 = texHandle;
auto surface(SkSurface::MakeFromBackendTexture(ctxInfo.fGrContext, 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;
}
}
}
}
gpu->deleteTestingOnlyBackendTexture(texHandle);
}
#endif
static void test_canvas_peek(skiatest::Reporter* reporter,
sk_sp<SkSurface>& surface,
const SkImageInfo& requestInfo,
bool expectPeekSuccess) {
const SkColor color = SK_ColorRED;
const SkPMColor pmcolor = SkPreMultiplyColor(color);
surface->getCanvas()->clear(color);
SkPixmap pmap;
bool success = surface->getCanvas()->peekPixels(&pmap);
REPORTER_ASSERT(reporter, expectPeekSuccess == success);
SkPixmap pmap2;
const void* addr2 = surface->peekPixels(&pmap2) ? pmap2.addr() : nullptr;
if (success) {
REPORTER_ASSERT(reporter, requestInfo == pmap.info());
REPORTER_ASSERT(reporter, requestInfo.minRowBytes() <= pmap.rowBytes());
REPORTER_ASSERT(reporter, pmcolor == *pmap.addr32());
REPORTER_ASSERT(reporter, pmap.addr() == pmap2.addr());
REPORTER_ASSERT(reporter, pmap.info() == pmap2.info());
REPORTER_ASSERT(reporter, pmap.rowBytes() == pmap2.rowBytes());
} else {
REPORTER_ASSERT(reporter, nullptr == addr2);
}
}
DEF_TEST(SurfaceCanvasPeek, reporter) {
for (auto& surface_func : { &create_surface, &create_direct_surface }) {
SkImageInfo requestInfo;
auto surface(surface_func(kPremul_SkAlphaType, &requestInfo));
test_canvas_peek(reporter, surface, requestInfo, true);
}
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceCanvasPeek_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
SkImageInfo requestInfo;
auto surface(surface_func(ctxInfo.fGrContext, kPremul_SkAlphaType, &requestInfo));
test_canvas_peek(reporter, surface, requestInfo, false);
}
}
#endif
// 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.
void test_access_pixels(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface) {
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);
}
DEF_TEST(SurfaceAccessPixels, reporter) {
for (auto& surface_func : { &create_surface, &create_direct_surface }) {
auto surface(surface_func(kPremul_SkAlphaType, nullptr));
test_access_pixels(reporter, surface);
}
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceAccessPixels_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
auto surface(surface_func(ctxInfo.fGrContext, kPremul_SkAlphaType, nullptr));
test_access_pixels(reporter, surface);
}
}
#endif
static void test_snapshot_alphatype(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface,
bool expectOpaque) {
REPORTER_ASSERT(reporter, surface);
if (surface) {
sk_sp<SkImage> image(surface->makeImageSnapshot());
REPORTER_ASSERT(reporter, image);
if (image) {
REPORTER_ASSERT(reporter, image->isOpaque() == SkToBool(expectOpaque));
}
}
}
DEF_TEST(SurfaceSnapshotAlphaType, reporter) {
for (auto& surface_func : { &create_surface, &create_direct_surface }) {
for (auto& isOpaque : { true, false }) {
SkAlphaType alphaType = isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
auto surface(surface_func(alphaType, nullptr));
test_snapshot_alphatype(reporter, surface, isOpaque);
}
}
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceSnapshotAlphaType_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
for (auto& isOpaque : { true, false }) {
SkAlphaType alphaType = isOpaque ? kOpaque_SkAlphaType : kPremul_SkAlphaType;
auto surface(surface_func(ctxInfo.fGrContext, alphaType, nullptr));
test_snapshot_alphatype(reporter, surface, isOpaque);
}
}
}
#endif
static GrBackendObject get_surface_backend_texture_handle(
SkSurface* s, SkSurface::BackendHandleAccess a) {
return s->getTextureHandle(a);
}
static GrBackendObject get_surface_backend_render_target_handle(
SkSurface* s, SkSurface::BackendHandleAccess a) {
GrBackendObject result;
if (!s->getRenderTargetHandle(&result, a)) {
return 0;
}
return result;
}
static void test_backend_handle_access_copy_on_write(
skiatest::Reporter* reporter, SkSurface* surface, SkSurface::BackendHandleAccess mode,
GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) {
GrBackendObject obj1 = func(surface, mode);
sk_sp<SkImage> snap1(surface->makeImageSnapshot());
GrBackendObject obj2 = func(surface, mode);
sk_sp<SkImage> snap2(surface->makeImageSnapshot());
// If the access mode triggers CoW, then the backend objects should reflect it.
REPORTER_ASSERT(reporter, (obj1 == obj2) == (snap1 == snap2));
}
DEF_TEST(SurfaceBackendHandleAccessCopyOnWrite, reporter) {
const SkSurface::BackendHandleAccess accessModes[] = {
SkSurface::kFlushRead_BackendHandleAccess,
SkSurface::kFlushWrite_BackendHandleAccess,
SkSurface::kDiscardWrite_BackendHandleAccess,
};
for (auto& handle_access_func :
{ &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle }) {
for (auto& accessMode : accessModes) {
auto surface(create_surface());
test_backend_handle_access_copy_on_write(reporter, surface.get(), accessMode,
handle_access_func);
}
}
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceBackendHandleAccessCopyOnWrite_Gpu, reporter, ctxInfo) {
const SkSurface::BackendHandleAccess accessModes[] = {
SkSurface::kFlushRead_BackendHandleAccess,
SkSurface::kFlushWrite_BackendHandleAccess,
SkSurface::kDiscardWrite_BackendHandleAccess,
};
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
for (auto& handle_access_func :
{ &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle }) {
for (auto& accessMode : accessModes) {
auto surface(surface_func(ctxInfo.fGrContext, kPremul_SkAlphaType, nullptr));
test_backend_handle_access_copy_on_write(reporter, surface.get(), accessMode,
handle_access_func);
}
}
}
}
#endif
static bool same_image(SkImage* a, SkImage* b,
std::function<intptr_t(SkImage*)> getImageBackingStore) {
return getImageBackingStore(a) == getImageBackingStore(b);
}
static bool same_image_surf(SkImage* a, SkSurface* b,
std::function<intptr_t(SkImage*)> getImageBackingStore,
std::function<intptr_t(SkSurface*)> getSurfaceBackingStore) {
return getImageBackingStore(a) == getSurfaceBackingStore(b);
}
static void test_unique_image_snap(skiatest::Reporter* reporter, SkSurface* surface,
bool surfaceIsDirect,
std::function<intptr_t(SkImage*)> imageBackingStore,
std::function<intptr_t(SkSurface*)> surfaceBackingStore) {
std::function<intptr_t(SkImage*)> ibs = imageBackingStore;
std::function<intptr_t(SkSurface*)> sbs = surfaceBackingStore;
static const SkBudgeted kB = SkBudgeted::kNo;
{
sk_sp<SkImage> image(surface->makeImageSnapshot(kB, SkSurface::kYes_ForceUnique));
REPORTER_ASSERT(reporter, !same_image_surf(image.get(), surface, ibs, sbs));
REPORTER_ASSERT(reporter, image->unique());
}
{
sk_sp<SkImage> image1(surface->makeImageSnapshot(kB, SkSurface::kYes_ForceUnique));
REPORTER_ASSERT(reporter, !same_image_surf(image1.get(), surface, ibs, sbs));
REPORTER_ASSERT(reporter, image1->unique());
sk_sp<SkImage> image2(surface->makeImageSnapshot(kB, SkSurface::kYes_ForceUnique));
REPORTER_ASSERT(reporter, !same_image_surf(image2.get(), surface, ibs, sbs));
REPORTER_ASSERT(reporter, !same_image(image1.get(), image2.get(), ibs));
REPORTER_ASSERT(reporter, image2->unique());
}
{
sk_sp<SkImage> image1(surface->makeImageSnapshot(kB, SkSurface::kNo_ForceUnique));
sk_sp<SkImage> image2(surface->makeImageSnapshot(kB, SkSurface::kYes_ForceUnique));
sk_sp<SkImage> image3(surface->makeImageSnapshot(kB, SkSurface::kNo_ForceUnique));
sk_sp<SkImage> image4(surface->makeImageSnapshot(kB, SkSurface::kYes_ForceUnique));
// Image 1 and 3 ought to be the same (or we're missing an optimization).
REPORTER_ASSERT(reporter, same_image(image1.get(), image3.get(), ibs));
// If the surface is not direct then images 1 and 3 should alias the surface's
// store.
REPORTER_ASSERT(reporter, !surfaceIsDirect == same_image_surf(image1.get(), surface, ibs, sbs));
// Image 2 should not be shared with any other image.
REPORTER_ASSERT(reporter, !same_image(image1.get(), image2.get(), ibs) &&
!same_image(image3.get(), image2.get(), ibs) &&
!same_image(image4.get(), image2.get(), ibs));
REPORTER_ASSERT(reporter, image2->unique());
REPORTER_ASSERT(reporter, !same_image_surf(image2.get(), surface, ibs, sbs));
// Image 4 should not be shared with any other image.
REPORTER_ASSERT(reporter, !same_image(image1.get(), image4.get(), ibs) &&
!same_image(image3.get(), image4.get(), ibs));
REPORTER_ASSERT(reporter, !same_image_surf(image4.get(), surface, ibs, sbs));
REPORTER_ASSERT(reporter, image4->unique());
}
}
DEF_TEST(UniqueImageSnapshot, reporter) {
auto getImageBackingStore = [reporter](SkImage* image) {
SkPixmap pm;
bool success = image->peekPixels(&pm);
REPORTER_ASSERT(reporter, success);
return reinterpret_cast<intptr_t>(pm.addr());
};
auto getSufaceBackingStore = [reporter](SkSurface* surface) {
SkPixmap pmap;
const void* pixels = surface->getCanvas()->peekPixels(&pmap) ? pmap.addr() : nullptr;
REPORTER_ASSERT(reporter, pixels);
return reinterpret_cast<intptr_t>(pixels);
};
auto surface(create_surface());
test_unique_image_snap(reporter, surface.get(), false, getImageBackingStore,
getSufaceBackingStore);
surface = create_direct_surface();
test_unique_image_snap(reporter, surface.get(), true, getImageBackingStore,
getSufaceBackingStore);
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(UniqueImageSnapshot_Gpu, reporter, ctxInfo) {
GrContext* context = ctxInfo.fGrContext;
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
auto surface(surface_func(context, kOpaque_SkAlphaType, nullptr));
auto imageBackingStore = [reporter](SkImage* image) {
GrTexture* texture = as_IB(image)->peekTexture();
if (!texture) {
ERRORF(reporter, "Not texture backed.");
return static_cast<intptr_t>(0);
}
return static_cast<intptr_t>(texture->getUniqueID());
};
auto surfaceBackingStore = [reporter](SkSurface* surface) {
GrRenderTarget* rt =
surface->getCanvas()->internal_private_accessTopLayerRenderTarget();
if (!rt) {
ERRORF(reporter, "Not render target backed.");
return static_cast<intptr_t>(0);
}
return static_cast<intptr_t>(rt->getUniqueID());
};
test_unique_image_snap(reporter, surface.get(), false, imageBackingStore,
surfaceBackingStore);
// Test again with a "direct" render target;
GrBackendObject textureObject = context->getGpu()->createTestingOnlyBackendTexture(nullptr,
10, 10, kRGBA_8888_GrPixelConfig);
GrBackendTextureDesc desc;
desc.fConfig = kRGBA_8888_GrPixelConfig;
desc.fWidth = 10;
desc.fHeight = 10;
desc.fFlags = kRenderTarget_GrBackendTextureFlag;
desc.fTextureHandle = textureObject;
GrTexture* texture = context->textureProvider()->wrapBackendTexture(desc);
{
auto surface(SkSurface::MakeRenderTargetDirect(texture->asRenderTarget()));
test_unique_image_snap(reporter, surface.get(), true, imageBackingStore,
surfaceBackingStore);
}
texture->unref();
context->getGpu()->deleteTestingOnlyBackendTexture(textureObject);
}
}
#endif
#if SK_SUPPORT_GPU
// May we (soon) eliminate the need to keep testing this, by hiding the bloody device!
static uint32_t get_legacy_gen_id(SkSurface* surface) {
SkBaseDevice* device =
surface->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 makeImageSnapshot, as calling that
* can also incidentally bump the genID (when a new backing surface is created).
*/
static void test_backend_handle_gen_id(
skiatest::Reporter* reporter, SkSurface* surface,
GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) {
const uint32_t gen0 = get_legacy_gen_id(surface);
func(surface, SkSurface::kFlushRead_BackendHandleAccess);
const uint32_t gen1 = get_legacy_gen_id(surface);
REPORTER_ASSERT(reporter, gen0 == gen1);
func(surface, SkSurface::kFlushWrite_BackendHandleAccess);
const uint32_t gen2 = get_legacy_gen_id(surface);
REPORTER_ASSERT(reporter, gen0 != gen2);
func(surface, SkSurface::kDiscardWrite_BackendHandleAccess);
const uint32_t gen3 = get_legacy_gen_id(surface);
REPORTER_ASSERT(reporter, gen0 != gen3);
REPORTER_ASSERT(reporter, gen2 != gen3);
}
static void test_backend_handle_unique_id(
skiatest::Reporter* reporter, SkSurface* surface,
GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) {
sk_sp<SkImage> image0(surface->makeImageSnapshot());
GrBackendObject obj = func(surface, SkSurface::kFlushRead_BackendHandleAccess);
REPORTER_ASSERT(reporter, obj != 0);
sk_sp<SkImage> image1(surface->makeImageSnapshot());
// just read access should not affect the snapshot
REPORTER_ASSERT(reporter, image0->uniqueID() == image1->uniqueID());
obj = func(surface, SkSurface::kFlushWrite_BackendHandleAccess);
REPORTER_ASSERT(reporter, obj != 0);
sk_sp<SkImage> image2(surface->makeImageSnapshot());
// expect a new image, since we claimed we would write
REPORTER_ASSERT(reporter, image0->uniqueID() != image2->uniqueID());
obj = func(surface, SkSurface::kDiscardWrite_BackendHandleAccess);
REPORTER_ASSERT(reporter, obj != 0);
sk_sp<SkImage> image3(surface->makeImageSnapshot());
// 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());
}
// No CPU test.
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceBackendHandleAccessIDs_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
for (auto& test_func : { &test_backend_handle_unique_id, &test_backend_handle_gen_id }) {
for (auto& handle_access_func :
{ &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle}) {
auto surface(surface_func(ctxInfo.fGrContext, kPremul_SkAlphaType, nullptr));
test_func(reporter, surface.get(), handle_access_func);
}
}
}
}
#endif
// Verify that the right canvas commands trigger a copy on write.
static void test_copy_on_write(skiatest::Reporter* reporter, SkSurface* 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) \
{ \
sk_sp<SkImage> imageBefore = surface->makeImageSnapshot(); \
sk_sp<SkImage> aur_before(imageBefore); \
canvas-> command ; \
sk_sp<SkImage> imageAfter = surface->makeImageSnapshot(); \
sk_sp<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(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))
}
DEF_TEST(SurfaceCopyOnWrite, reporter) {
test_copy_on_write(reporter, create_surface().get());
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceCopyOnWrite_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
auto surface(surface_func(ctxInfo.fGrContext, kPremul_SkAlphaType, nullptr));
test_copy_on_write(reporter, surface.get());
}
}
#endif
static void test_writable_after_snapshot_release(skiatest::Reporter* reporter,
SkSurface* surface) {
// 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.
SkCanvas* canvas = surface->getCanvas();
canvas->clear(1);
surface->makeImageSnapshot(); // Create and destroy SkImage
canvas->clear(2); // Must not assert internally
}
DEF_TEST(SurfaceWriteableAfterSnapshotRelease, reporter) {
test_writable_after_snapshot_release(reporter, create_surface().get());
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceWriteableAfterSnapshotRelease_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
auto surface(surface_func(ctxInfo.fGrContext, kPremul_SkAlphaType, nullptr));
test_writable_after_snapshot_release(reporter, surface.get());
}
}
#endif
#if SK_SUPPORT_GPU
static void test_crbug263329(skiatest::Reporter* reporter,
SkSurface* surface1,
SkSurface* surface2) {
// 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.
SkCanvas* canvas1 = surface1->getCanvas();
SkCanvas* canvas2 = surface2->getCanvas();
canvas1->clear(1);
sk_sp<SkImage> image1(surface1->makeImageSnapshot());
// Trigger copy on write, new backing is a scratch texture
canvas1->clear(2);
sk_sp<SkImage> image2(surface1->makeImageSnapshot());
// 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);
sk_sp<SkImage> image3(surface2->makeImageSnapshot());
// 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);
sk_sp<SkImage> image4(surface2->makeImageSnapshot());
REPORTER_ASSERT(reporter, as_IB(image4)->peekTexture() != as_IB(image3)->peekTexture());
// The following assertion checks crbug.com/263329
REPORTER_ASSERT(reporter, as_IB(image4)->peekTexture() != as_IB(image2)->peekTexture());
REPORTER_ASSERT(reporter, as_IB(image4)->peekTexture() != as_IB(image1)->peekTexture());
REPORTER_ASSERT(reporter, as_IB(image3)->peekTexture() != as_IB(image2)->peekTexture());
REPORTER_ASSERT(reporter, as_IB(image3)->peekTexture() != as_IB(image1)->peekTexture());
REPORTER_ASSERT(reporter, as_IB(image2)->peekTexture() != as_IB(image1)->peekTexture());
}
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceCRBug263329_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
auto surface1(surface_func(ctxInfo.fGrContext, kPremul_SkAlphaType, nullptr));
auto surface2(surface_func(ctxInfo.fGrContext, kPremul_SkAlphaType, nullptr));
test_crbug263329(reporter, surface1.get(), surface2.get());
}
}
#endif
DEF_TEST(SurfaceGetTexture, reporter) {
auto surface(create_surface());
sk_sp<SkImage> image(surface->makeImageSnapshot());
REPORTER_ASSERT(reporter, as_IB(image)->peekTexture() == nullptr);
surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
REPORTER_ASSERT(reporter, as_IB(image)->peekTexture() == nullptr);
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfacepeekTexture_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
auto surface(surface_func(ctxInfo.fGrContext, kPremul_SkAlphaType, nullptr));
sk_sp<SkImage> image(surface->makeImageSnapshot());
GrTexture* texture = as_IB(image)->peekTexture();
REPORTER_ASSERT(reporter, texture);
REPORTER_ASSERT(reporter, 0 != texture->getTextureHandle());
surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
REPORTER_ASSERT(reporter, as_IB(image)->peekTexture() == texture);
}
}
#endif
#if SK_SUPPORT_GPU
#include "GrGpuResourcePriv.h"
#include "SkGpuDevice.h"
#include "SkImage_Gpu.h"
#include "SkSurface_Gpu.h"
static SkBudgeted is_budgeted(const sk_sp<SkSurface>& surf) {
SkSurface_Gpu* gsurf = (SkSurface_Gpu*)surf.get();
return gsurf->getDevice()->accessRenderTarget()->resourcePriv().isBudgeted();
}
static SkBudgeted is_budgeted(SkImage* image) {
return ((SkImage_Gpu*)image)->peekTexture()->resourcePriv().isBudgeted();
}
static SkBudgeted is_budgeted(const sk_sp<SkImage> image) {
return is_budgeted(image.get());
}
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceBudget, reporter, ctxInfo) {
SkImageInfo info = SkImageInfo::MakeN32Premul(8,8);
for (auto sbudgeted : { SkBudgeted::kNo, SkBudgeted::kYes }) {
for (auto ibudgeted : { SkBudgeted::kNo, SkBudgeted::kYes }) {
auto surface(SkSurface::MakeRenderTarget(ctxInfo.fGrContext, sbudgeted, info));
SkASSERT(surface);
REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(surface));
sk_sp<SkImage> image(surface->makeImageSnapshot(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 test_no_canvas1(skiatest::Reporter* reporter,
SkSurface* surface,
SkSurface::ContentChangeMode mode) {
// Test passes by not asserting
surface->notifyContentWillChange(mode);
SkDEBUGCODE(surface->validate();)
}
static void test_no_canvas2(skiatest::Reporter* reporter,
SkSurface* surface,
SkSurface::ContentChangeMode mode) {
// Verifies the robustness of SkSurface for handling use cases where calls
// are made before a canvas is created.
sk_sp<SkImage> image1 = surface->makeImageSnapshot();
sk_sp<SkImage> aur_image1(image1);
SkDEBUGCODE(image1->validate();)
SkDEBUGCODE(surface->validate();)
surface->notifyContentWillChange(mode);
SkDEBUGCODE(image1->validate();)
SkDEBUGCODE(surface->validate();)
sk_sp<SkImage> image2 = surface->makeImageSnapshot();
sk_sp<SkImage> aur_image2(image2);
SkDEBUGCODE(image2->validate();)
SkDEBUGCODE(surface->validate();)
REPORTER_ASSERT(reporter, image1 != image2);
}
DEF_TEST(SurfaceNoCanvas, reporter) {
SkSurface::ContentChangeMode modes[] =
{ SkSurface::kDiscard_ContentChangeMode, SkSurface::kRetain_ContentChangeMode};
for (auto& test_func : { &test_no_canvas1, &test_no_canvas2 }) {
for (auto& mode : modes) {
test_func(reporter, create_surface().get(), mode);
}
}
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceNoCanvas_Gpu, reporter, ctxInfo) {
SkSurface::ContentChangeMode modes[] =
{ SkSurface::kDiscard_ContentChangeMode, SkSurface::kRetain_ContentChangeMode};
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
for (auto& test_func : { &test_no_canvas1, &test_no_canvas2 }) {
for (auto& mode : modes) {
auto surface(surface_func(ctxInfo.fGrContext, kPremul_SkAlphaType, nullptr));
test_func(reporter, surface.get(), mode);
}
}
}
}
#endif
static void check_rowbytes_remain_consistent(SkSurface* surface, skiatest::Reporter* reporter) {
SkPixmap surfacePM;
REPORTER_ASSERT(reporter, surface->peekPixels(&surfacePM));
sk_sp<SkImage> image(surface->makeImageSnapshot());
SkPixmap pm;
REPORTER_ASSERT(reporter, image->peekPixels(&pm));
REPORTER_ASSERT(reporter, surfacePM.rowBytes() == pm.rowBytes());
// trigger a copy-on-write
surface->getCanvas()->drawPaint(SkPaint());
sk_sp<SkImage> image2(surface->makeImageSnapshot());
REPORTER_ASSERT(reporter, image->uniqueID() != image2->uniqueID());
SkPixmap pm2;
REPORTER_ASSERT(reporter, image2->peekPixels(&pm2));
REPORTER_ASSERT(reporter, pm2.rowBytes() == pm.rowBytes());
}
DEF_TEST(surface_rowbytes, reporter) {
const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100);
auto surf0(SkSurface::MakeRaster(info));
check_rowbytes_remain_consistent(surf0.get(), reporter);
// specify a larger rowbytes
auto surf1(SkSurface::MakeRaster(info, 500, nullptr));
check_rowbytes_remain_consistent(surf1.get(), reporter);
// Try some illegal rowByte values
auto s = SkSurface::MakeRaster(info, 396, nullptr); // needs to be at least 400
REPORTER_ASSERT(reporter, nullptr == s);
s = SkSurface::MakeRaster(info, 1 << 30, nullptr); // allocation to large
REPORTER_ASSERT(reporter, nullptr == s);
}
#if SK_SUPPORT_GPU
void test_surface_clear(skiatest::Reporter* reporter, sk_sp<SkSurface> surface,
std::function<GrSurface*(SkSurface*)> grSurfaceGetter,
uint32_t expectedValue) {
if (!surface) {
ERRORF(reporter, "Could not create GPU SkSurface.");
return;
}
int w = surface->width();
int h = surface->height();
SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[w * h]);
memset(pixels.get(), ~expectedValue, sizeof(uint32_t) * w * h);
SkAutoTUnref<GrSurface> grSurface(SkSafeRef(grSurfaceGetter(surface.get())));
if (!grSurface) {
ERRORF(reporter, "Could access render target of GPU SkSurface.");
return;
}
surface.reset();
grSurface->readPixels(0, 0, w, h, kRGBA_8888_GrPixelConfig, pixels.get());
for (int y = 0; y < h; ++y) {
for (int x = 0; x < w; ++x) {
uint32_t pixel = pixels.get()[y * w + x];
if (pixel != expectedValue) {
SkString msg;
if (expectedValue) {
msg = "SkSurface should have left render target unmodified";
} else {
msg = "SkSurface should have cleared the render target";
}
ERRORF(reporter,
"%s but read 0x%08x (instead of 0x%08x) at %x,%d", msg.c_str(), pixel,
expectedValue, x, y);
return;
}
}
}
}
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceClear_Gpu, reporter, ctxInfo) {
GrContext* context = ctxInfo.fGrContext;
std::function<GrSurface*(SkSurface*)> grSurfaceGetters[] = {
[] (SkSurface* s){ return s->getCanvas()->internal_private_accessTopLayerRenderTarget(); },
[] (SkSurface* s){
SkBaseDevice* d =
s->getCanvas()->getDevice_just_for_deprecated_compatibility_testing();
return d->accessRenderTarget(); },
[] (SkSurface* s){ sk_sp<SkImage> i(s->makeImageSnapshot());
return as_IB(i)->peekTexture(); },
};
for (auto grSurfaceGetter : grSurfaceGetters) {
for (auto& surface_func : {&create_gpu_surface, &create_gpu_scratch_surface}) {
auto surface = surface_func(context, kPremul_SkAlphaType, nullptr);
test_surface_clear(reporter, surface, grSurfaceGetter, 0x0);
}
// Wrapped RTs are *not* supposed to clear (to allow client to partially update a surface).
static const int kWidth = 10;
static const int kHeight = 10;
SkAutoTDeleteArray<uint32_t> pixels(new uint32_t[kWidth * kHeight]);
memset(pixels.get(), 0xAB, sizeof(uint32_t) * kWidth * kHeight);
GrBackendObject textureObject =
context->getGpu()->createTestingOnlyBackendTexture(pixels.get(), kWidth, kHeight,
kRGBA_8888_GrPixelConfig);
GrBackendTextureDesc desc;
desc.fConfig = kRGBA_8888_GrPixelConfig;
desc.fWidth = kWidth;
desc.fHeight = kHeight;
desc.fFlags = kRenderTarget_GrBackendTextureFlag;
desc.fTextureHandle = textureObject;
auto surface = SkSurface::MakeFromBackendTexture(context, desc, nullptr);
test_surface_clear(reporter, surface, grSurfaceGetter, 0xABABABAB);
context->getGpu()->deleteTestingOnlyBackendTexture(textureObject);
}
}
#endif