/*
* 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 "SkOverdrawCanvas.h"
#include "SkPath.h"
#include "SkRegion.h"
#include "SkRRect.h"
#include "SkSurface.h"
#include "SkUtils.h"
#include "Test.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#include "GrContextPriv.h"
#include "GrRenderTargetContext.h"
#include "GrGpu.h"
#include "GrResourceProvider.h"
#include "GrTest.h"
#include <vector>
#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.computeByteSize(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);
}
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);
}
#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_RENDERING_CONTEXTS(SurfaceEmpty_Gpu, reporter, ctxInfo) {
const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType);
REPORTER_ASSERT(reporter, nullptr ==
SkSurface::MakeRenderTarget(ctxInfo.grContext(), SkBudgeted::kNo, info));
}
#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_RENDERING_CONTEXTS(SurfaceCanvasPeek_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
SkImageInfo requestInfo;
auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, &requestInfo));
test_canvas_peek(reporter, surface, requestInfo, false);
}
}
#endif
static void test_snapshot_alphatype(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface,
SkAlphaType expectedAlphaType) {
REPORTER_ASSERT(reporter, surface);
if (surface) {
sk_sp<SkImage> image(surface->makeImageSnapshot());
REPORTER_ASSERT(reporter, image);
if (image) {
REPORTER_ASSERT(reporter, image->alphaType() == expectedAlphaType);
}
}
}
DEF_TEST(SurfaceSnapshotAlphaType, reporter) {
for (auto& surface_func : { &create_surface, &create_direct_surface }) {
for (auto& at: { kOpaque_SkAlphaType, kPremul_SkAlphaType, kUnpremul_SkAlphaType }) {
auto surface(surface_func(at, nullptr));
test_snapshot_alphatype(reporter, surface, at);
}
}
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceSnapshotAlphaType_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
// GPU doesn't support creating unpremul surfaces, so only test opaque + premul
for (auto& at : { kOpaque_SkAlphaType, kPremul_SkAlphaType }) {
auto surface(surface_func(ctxInfo.grContext(), at, nullptr));
test_snapshot_alphatype(reporter, surface, at);
}
}
}
#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_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.grContext(), kPremul_SkAlphaType, nullptr));
test_backend_handle_access_copy_on_write(reporter, surface.get(), accessMode,
handle_access_func);
}
}
}
}
#endif
#if SK_SUPPORT_GPU
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_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 }) {
for (auto& handle_access_func :
{ &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle}) {
auto surface(surface_func(ctxInfo.grContext(), 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(drawString(testText, 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_RENDERING_CONTEXTS(SurfaceCopyOnWrite_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
auto surface(surface_func(ctxInfo.grContext(), 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_RENDERING_CONTEXTS(SurfaceWriteableAfterSnapshotRelease_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
auto surface(surface_func(ctxInfo.grContext(), 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)->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());
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCRBug263329_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
auto surface1(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
auto surface2(surface_func(ctxInfo.grContext(), 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)->isTextureBacked());
surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
REPORTER_ASSERT(reporter, !as_IB(image)->isTextureBacked());
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacepeekTexture_Gpu, reporter, ctxInfo) {
for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
sk_sp<SkImage> image(surface->makeImageSnapshot());
REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked());
GrBackendObject textureHandle = image->getTextureHandle(false);
REPORTER_ASSERT(reporter, 0 != textureHandle);
surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked());
REPORTER_ASSERT(reporter, textureHandle == image->getTextureHandle(false));
}
}
#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();
GrRenderTargetProxy* proxy = gsurf->getDevice()->accessRenderTargetContext()
->asRenderTargetProxy();
return proxy->isBudgeted();
}
static SkBudgeted is_budgeted(SkImage* image) {
return ((SkImage_Gpu*)image)->peekProxy()->isBudgeted();
}
static SkBudgeted is_budgeted(const sk_sp<SkImage> image) {
return is_budgeted(image.get());
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBudget, reporter, ctxInfo) {
SkImageInfo info = SkImageInfo::MakeN32Premul(8,8);
for (auto budgeted : { SkBudgeted::kNo, SkBudgeted::kYes }) {
auto surface(SkSurface::MakeRenderTarget(ctxInfo.grContext(), budgeted, info));
SkASSERT(surface);
REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface));
sk_sp<SkImage> image(surface->makeImageSnapshot());
// Initially the image shares a texture with the surface, and the
// the budgets should always match.
REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface));
REPORTER_ASSERT(reporter, budgeted == is_budgeted(image));
// Now trigger copy-on-write
surface->getCanvas()->clear(SK_ColorBLUE);
// They don't share a texture anymore but the budgets should still match.
REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface));
REPORTER_ASSERT(reporter, budgeted == 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_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.grContext(), 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, std::numeric_limits<size_t>::max(), nullptr);
REPORTER_ASSERT(reporter, nullptr == s);
}
DEF_TEST(surface_raster_zeroinitialized, reporter) {
sk_sp<SkSurface> s(SkSurface::MakeRasterN32Premul(100, 100));
SkPixmap pixmap;
REPORTER_ASSERT(reporter, s->peekPixels(&pixmap));
for (int i = 0; i < pixmap.info().width(); ++i) {
for (int j = 0; j < pixmap.info().height(); ++j) {
REPORTER_ASSERT(reporter, *pixmap.addr32(i, j) == 0);
}
}
}
#if SK_SUPPORT_GPU
static sk_sp<SkSurface> create_gpu_surface_backend_texture(
GrContext* context, int sampleCnt, uint32_t color, GrBackendTexture* outTexture) {
GrGpu* gpu = context->contextPriv().getGpu();
const int kWidth = 10;
const int kHeight = 10;
std::unique_ptr<uint32_t[]> pixels(new uint32_t[kWidth * kHeight]);
sk_memset32(pixels.get(), color, kWidth * kHeight);
*outTexture = gpu->createTestingOnlyBackendTexture(
pixels.get(), kWidth, kHeight, kRGBA_8888_GrPixelConfig, true, GrMipMapped::kNo);
if (!outTexture->isValid() || !gpu->isTestingOnlyBackendTexture(*outTexture)) {
return nullptr;
}
sk_sp<SkSurface> surface = SkSurface::MakeFromBackendTexture(context, *outTexture,
kTopLeft_GrSurfaceOrigin, sampleCnt,
kRGBA_8888_SkColorType,
nullptr, nullptr);
if (!surface) {
gpu->deleteTestingOnlyBackendTexture(outTexture);
return nullptr;
}
return surface;
}
static sk_sp<SkSurface> create_gpu_surface_backend_texture_as_render_target(
GrContext* context, int sampleCnt, uint32_t color, GrBackendTexture* outTexture) {
GrGpu* gpu = context->contextPriv().getGpu();
const int kWidth = 10;
const int kHeight = 10;
std::unique_ptr<uint32_t[]> pixels(new uint32_t[kWidth * kHeight]);
sk_memset32(pixels.get(), color, kWidth * kHeight);
*outTexture = gpu->createTestingOnlyBackendTexture(
pixels.get(), kWidth, kHeight, kRGBA_8888_GrPixelConfig, true, GrMipMapped::kNo);
if (!outTexture->isValid() || !gpu->isTestingOnlyBackendTexture(*outTexture)) {
return nullptr;
}
sk_sp<SkSurface> surface = SkSurface::MakeFromBackendTextureAsRenderTarget(
context, *outTexture, kTopLeft_GrSurfaceOrigin, sampleCnt, kRGBA_8888_SkColorType,
nullptr, nullptr);
if (!surface) {
gpu->deleteTestingOnlyBackendTexture(outTexture);
return nullptr;
}
return surface;
}
static void test_surface_clear(skiatest::Reporter* reporter, sk_sp<SkSurface> surface,
std::function<sk_sp<GrSurfaceContext>(SkSurface*)> grSurfaceGetter,
uint32_t expectedValue) {
if (!surface) {
ERRORF(reporter, "Could not create GPU SkSurface.");
return;
}
int w = surface->width();
int h = surface->height();
std::unique_ptr<uint32_t[]> pixels(new uint32_t[w * h]);
sk_memset32(pixels.get(), ~expectedValue, w * h);
sk_sp<GrSurfaceContext> grSurfaceContext(grSurfaceGetter(surface.get()));
if (!grSurfaceContext) {
ERRORF(reporter, "Could access render target of GPU SkSurface.");
return;
}
surface.reset();
SkImageInfo ii = SkImageInfo::Make(w, h, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
grSurfaceContext->readPixels(ii, pixels.get(), 0, 0, 0);
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.grContext();
GrGpu* gpu = context->contextPriv().getGpu();
std::function<sk_sp<GrSurfaceContext>(SkSurface*)> grSurfaceContextGetters[] = {
[] (SkSurface* s){
return sk_ref_sp(s->getCanvas()->internal_private_accessTopLayerRenderTargetContext());
},
[] (SkSurface* s){
sk_sp<SkImage> i(s->makeImageSnapshot());
SkImage_Gpu* gpuImage = (SkImage_Gpu *) as_IB(i);
sk_sp<GrTextureProxy> proxy = gpuImage->asTextureProxyRef();
GrContext* context = gpuImage->context();
return context->contextPriv().makeWrappedSurfaceContext(std::move(proxy),
gpuImage->refColorSpace());
}
};
for (auto grSurfaceGetter : grSurfaceContextGetters) {
// Test that non-wrapped RTs are created clear.
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).
const uint32_t kOrigColor = 0xABABABAB;
for (auto& surfaceFunc : {&create_gpu_surface_backend_texture,
&create_gpu_surface_backend_texture_as_render_target}) {
GrBackendTexture backendTex;
auto surface = surfaceFunc(context, 1, kOrigColor, &backendTex);
test_surface_clear(reporter, surface, grSurfaceGetter, kOrigColor);
surface.reset();
gpu->deleteTestingOnlyBackendTexture(&backendTex);
}
}
}
static void test_surface_draw_partially(
skiatest::Reporter* reporter, sk_sp<SkSurface> surface, uint32_t origColor) {
const int kW = surface->width();
const int kH = surface->height();
SkPaint paint;
const SkColor kRectColor = ~origColor | 0xFF000000;
paint.setColor(kRectColor);
surface->getCanvas()->drawRect(SkRect::MakeWH(SkIntToScalar(kW), SkIntToScalar(kH)/2),
paint);
std::unique_ptr<uint32_t[]> pixels(new uint32_t[kW * kH]);
sk_memset32(pixels.get(), ~origColor, kW * kH);
// Read back RGBA to avoid format conversions that may not be supported on all platforms.
SkImageInfo readInfo = SkImageInfo::Make(kW, kH, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
SkAssertResult(surface->readPixels(readInfo, pixels.get(), kW * sizeof(uint32_t), 0, 0));
bool stop = false;
SkPMColor origColorPM = SkPackARGB_as_RGBA((origColor >> 24 & 0xFF),
(origColor >> 0 & 0xFF),
(origColor >> 8 & 0xFF),
(origColor >> 16 & 0xFF));
SkPMColor rectColorPM = SkPackARGB_as_RGBA((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;
}
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacePartialDraw_Gpu, reporter, ctxInfo) {
GrGpu* gpu = ctxInfo.grContext()->contextPriv().getGpu();
if (!gpu) {
return;
}
static const uint32_t kOrigColor = 0xFFAABBCC;
for (auto& surfaceFunc : {&create_gpu_surface_backend_texture,
&create_gpu_surface_backend_texture_as_render_target}) {
// 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.
// This works only for non-multisampled case.
GrBackendTexture backendTex;
auto surface = surfaceFunc(ctxInfo.grContext(), 1, kOrigColor, &backendTex);
if (surface) {
test_surface_draw_partially(reporter, surface, kOrigColor);
surface.reset();
gpu->deleteTestingOnlyBackendTexture(&backendTex);
}
}
}
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceAttachStencil_Gpu, reporter, ctxInfo) {
GrGpu* gpu = ctxInfo.grContext()->contextPriv().getGpu();
if (!gpu) {
return;
}
if (gpu->caps()->avoidStencilBuffers()) {
return;
}
static const uint32_t kOrigColor = 0xFFAABBCC;
auto resourceProvider = ctxInfo.grContext()->contextPriv().resourceProvider();
for (auto& surfaceFunc : {&create_gpu_surface_backend_texture,
&create_gpu_surface_backend_texture_as_render_target}) {
for (int sampleCnt : {1, 4, 8}) {
GrBackendTexture backendTex;
auto surface = surfaceFunc(ctxInfo.grContext(), sampleCnt, kOrigColor, &backendTex);
if (!surface && sampleCnt > 1) {
// Certain platforms don't support MSAA, skip these.
continue;
}
// Validate that we can attach a stencil buffer to an SkSurface created by either of
// our surface functions.
GrRenderTarget* rt = surface->getCanvas()
->internal_private_accessTopLayerRenderTargetContext()->accessRenderTarget();
REPORTER_ASSERT(reporter, resourceProvider->attachStencilAttachment(rt));
gpu->deleteTestingOnlyBackendTexture(&backendTex);
}
}
}
#endif
static void test_surface_creation_and_snapshot_with_color_space(
skiatest::Reporter* reporter,
const char* prefix,
bool f16Support,
std::function<sk_sp<SkSurface>(const SkImageInfo&)> surfaceMaker) {
auto srgbColorSpace = SkColorSpace::MakeSRGB();
const SkMatrix44* srgbMatrix = srgbColorSpace->toXYZD50();
SkASSERT(srgbMatrix);
SkColorSpaceTransferFn oddGamma;
oddGamma.fA = 1.0f;
oddGamma.fB = oddGamma.fC = oddGamma.fD = oddGamma.fE = oddGamma.fF = 0.0f;
oddGamma.fG = 4.0f;
auto oddColorSpace = SkColorSpace::MakeRGB(oddGamma, *srgbMatrix);
auto linearColorSpace = SkColorSpace::MakeSRGBLinear();
const struct {
SkColorType fColorType;
sk_sp<SkColorSpace> fColorSpace;
bool fShouldWork;
const char* fDescription;
} testConfigs[] = {
{ kN32_SkColorType, nullptr, true, "N32-nullptr" },
{ kN32_SkColorType, linearColorSpace, false, "N32-linear" },
{ kN32_SkColorType, srgbColorSpace, true, "N32-srgb" },
{ kN32_SkColorType, oddColorSpace, false, "N32-odd" },
{ kRGBA_F16_SkColorType, nullptr, true, "F16-nullptr" },
{ kRGBA_F16_SkColorType, linearColorSpace, true, "F16-linear" },
{ kRGBA_F16_SkColorType, srgbColorSpace, false, "F16-srgb" },
{ kRGBA_F16_SkColorType, oddColorSpace, false, "F16-odd" },
{ kRGB_565_SkColorType, srgbColorSpace, false, "565-srgb" },
{ kAlpha_8_SkColorType, srgbColorSpace, false, "A8-srgb" },
};
for (auto& testConfig : testConfigs) {
SkString fullTestName = SkStringPrintf("%s-%s", prefix, testConfig.fDescription);
SkImageInfo info = SkImageInfo::Make(10, 10, testConfig.fColorType, kPremul_SkAlphaType,
testConfig.fColorSpace);
// For some GPU contexts (eg ANGLE), we don't have f16 support, so we should fail to create
// any surface of that type:
bool shouldWork = testConfig.fShouldWork &&
(f16Support || kRGBA_F16_SkColorType != testConfig.fColorType);
auto surface(surfaceMaker(info));
REPORTER_ASSERT(reporter, SkToBool(surface) == shouldWork, fullTestName.c_str());
if (shouldWork && surface) {
sk_sp<SkImage> image(surface->makeImageSnapshot());
REPORTER_ASSERT(reporter, image, testConfig.fDescription);
SkColorSpace* imageColorSpace = as_IB(image)->onImageInfo().colorSpace();
REPORTER_ASSERT(reporter, imageColorSpace == testConfig.fColorSpace.get(),
fullTestName.c_str());
}
}
}
DEF_TEST(SurfaceCreationWithColorSpace, reporter) {
auto surfaceMaker = [](const SkImageInfo& info) {
return SkSurface::MakeRaster(info);
};
test_surface_creation_and_snapshot_with_color_space(reporter, "raster", true, surfaceMaker);
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCreationWithColorSpace_Gpu, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
bool f16Support = context->caps()->isConfigRenderable(kRGBA_half_GrPixelConfig, false);
auto surfaceMaker = [context](const SkImageInfo& info) {
return SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info);
};
test_surface_creation_and_snapshot_with_color_space(reporter, "gpu", f16Support, surfaceMaker);
std::vector<GrBackendTexture> backendTextures;
auto wrappedSurfaceMaker = [ context, &backendTextures ](const SkImageInfo& info) {
GrGpu* gpu = context->contextPriv().getGpu();
static const int kSize = 10;
GrPixelConfig config = SkImageInfo2GrPixelConfig(info, *context->caps());
GrBackendTexture backendTex = gpu->createTestingOnlyBackendTexture(
nullptr, kSize, kSize, config, true, GrMipMapped::kNo);
if (!backendTex.isValid() ||
!gpu->isTestingOnlyBackendTexture(backendTex)) {
return sk_sp<SkSurface>(nullptr);
}
backendTextures.push_back(backendTex);
return SkSurface::MakeFromBackendTexture(context, backendTex,
kTopLeft_GrSurfaceOrigin, 0,
info.colorType(),
sk_ref_sp(info.colorSpace()), nullptr);
};
test_surface_creation_and_snapshot_with_color_space(reporter, "wrapped", f16Support,
wrappedSurfaceMaker);
context->flush();
GrGpu* gpu = context->contextPriv().getGpu();
for (auto backendTex : backendTextures) {
gpu->deleteTestingOnlyBackendTexture(&backendTex);
}
}
#endif
static void test_overdraw_surface(skiatest::Reporter* r, SkSurface* surface) {
SkOverdrawCanvas canvas(surface->getCanvas());
canvas.drawPaint(SkPaint());
sk_sp<SkImage> image = surface->makeImageSnapshot();
SkBitmap bitmap;
image->asLegacyBitmap(&bitmap, SkImage::kRO_LegacyBitmapMode);
for (int y = 0; y < 10; y++) {
for (int x = 0; x < 10; x++) {
REPORTER_ASSERT(r, 1 == SkGetPackedA32(*bitmap.getAddr32(x, y)));
}
}
}
DEF_TEST(OverdrawSurface_Raster, r) {
sk_sp<SkSurface> surface = create_surface();
test_overdraw_surface(r, surface.get());
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(OverdrawSurface_Gpu, r, ctxInfo) {
GrContext* context = ctxInfo.grContext();
sk_sp<SkSurface> surface = create_gpu_surface(context);
test_overdraw_surface(r, surface.get());
}
#endif
DEF_TEST(Surface_null, r) {
REPORTER_ASSERT(r, SkSurface::MakeNull(0, 0) == nullptr);
const int w = 37;
const int h = 1000;
auto surf = SkSurface::MakeNull(w, h);
auto canvas = surf->getCanvas();
canvas->drawPaint(SkPaint()); // should not crash, but don't expect anything to draw
REPORTER_ASSERT(r, surf->makeImageSnapshot() == nullptr);
}