blob: 369a526f50d34f9ea610d84f35763868f8393953 [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 "include/core/SkCanvas.h"
#include "include/core/SkData.h"
#include "include/core/SkOverdrawCanvas.h"
#include "include/core/SkPath.h"
#include "include/core/SkRRect.h"
#include "include/core/SkRegion.h"
#include "include/core/SkSurface.h"
#include "include/gpu/GrBackendSurface.h"
#include "include/gpu/GrDirectContext.h"
#include "src/core/SkAutoPixmapStorage.h"
#include "src/core/SkDevice.h"
#include "src/core/SkUtils.h"
#include "src/gpu/GrDirectContextPriv.h"
#include "src/gpu/GrGpu.h"
#include "src/gpu/GrGpuResourcePriv.h"
#include "src/gpu/GrImageInfo.h"
#include "src/gpu/GrRenderTarget.h"
#include "src/gpu/GrResourceProvider.h"
#include "src/gpu/GrSurfaceDrawContext.h"
#include "src/gpu/SkGpuDevice.h"
#include "src/image/SkImage_Base.h"
#include "src/image/SkImage_Gpu.h"
#include "src/image/SkSurface_Gpu.h"
#include "tests/Test.h"
#include "tools/ToolUtils.h"
#include "tools/gpu/BackendSurfaceFactory.h"
#include "tools/gpu/ManagedBackendTexture.h"
#include <functional>
#include <initializer_list>
#include <vector>
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);
}
static sk_sp<SkSurface> create_gpu_surface(GrRecordingContext* rContext,
SkAlphaType at = kPremul_SkAlphaType,
SkImageInfo* requestedInfo = nullptr) {
const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
if (requestedInfo) {
*requestedInfo = info;
}
return SkSurface::MakeRenderTarget(rContext, SkBudgeted::kNo, info);
}
static sk_sp<SkSurface> create_gpu_scratch_surface(GrRecordingContext* rContext,
SkAlphaType at = kPremul_SkAlphaType,
SkImageInfo* requestedInfo = nullptr) {
const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
if (requestedInfo) {
*requestedInfo = info;
}
return SkSurface::MakeRenderTarget(rContext, SkBudgeted::kYes, info);
}
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));
}
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.directContext(), SkBudgeted::kNo, info));
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrContext_colorTypeSupportedAsSurface, reporter, ctxInfo) {
auto context = ctxInfo.directContext();
for (int ct = 0; ct < kLastEnum_SkColorType; ++ct) {
static constexpr int kSize = 10;
SkColorType colorType = static_cast<SkColorType>(ct);
auto info = SkImageInfo::Make(kSize, kSize, colorType, kOpaque_SkAlphaType, nullptr);
{
bool can = context->colorTypeSupportedAsSurface(colorType);
auto surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info, 1, nullptr);
REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d",
colorType, can, SkToBool(surf));
surf = sk_gpu_test::MakeBackendTextureSurface(context,
{kSize, kSize},
kTopLeft_GrSurfaceOrigin,
/*sample cnt*/ 1,
colorType);
REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d",
colorType, can, SkToBool(surf));
}
// The MSAA test only makes sense if the colorType is renderable to begin with.
if (context->colorTypeSupportedAsSurface(colorType)) {
static constexpr int kSampleCnt = 2;
bool can = context->maxSurfaceSampleCountForColorType(colorType) >= kSampleCnt;
auto surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info, kSampleCnt,
nullptr);
REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d",
colorType, can, SkToBool(surf));
surf = sk_gpu_test::MakeBackendTextureSurface(
context, {kSize, kSize}, kTopLeft_GrSurfaceOrigin, kSampleCnt, colorType);
REPORTER_ASSERT(reporter, can == SkToBool(surf),
"colorTypeSupportedAsSurface:%d, surf:%d, ct:%d", can, SkToBool(surf),
colorType);
// Ensure that the sample count stored on the resulting SkSurface is a valid value.
if (surf) {
auto rtc = ((SkSurface_Gpu*)(surf.get()))->getDevice()->accessRenderTargetContext();
int storedCnt = rtc->numSamples();
GrBackendFormat format = rtc->writeSurfaceView().proxy()->backendFormat();
int allowedCnt =
context->priv().caps()->getRenderTargetSampleCount(storedCnt, format);
REPORTER_ASSERT(reporter, storedCnt == allowedCnt,
"Should store an allowed sample count (%d vs %d)", allowedCnt,
storedCnt);
}
}
for (int sampleCnt : {1, 2}) {
auto surf = sk_gpu_test::MakeBackendRenderTargetSurface(context,
{16, 16},
kTopLeft_GrSurfaceOrigin,
sampleCnt,
colorType);
bool can = context->colorTypeSupportedAsSurface(colorType) &&
context->maxSurfaceSampleCountForColorType(colorType) >= sampleCnt;
if (!surf && can && colorType == kBGRA_8888_SkColorType && sampleCnt > 1 &&
context->backend() == GrBackendApi::kOpenGL) {
// This is an execeptional case. On iOS GLES we support MSAA BGRA for internally-
// created render targets by using a MSAA RGBA8 renderbuffer that resolves to a
// BGRA8 texture. However, the GL_APPLE_texture_format_BGRA8888 extension does not
// allow creation of BGRA8 renderbuffers and we don't support multisampled textures.
// So this is expected to fail. As of 10/5/2020 it actually seems to work to create
// a MSAA BGRA8 renderbuffer (at least in the simulator) but we don't want to rely
// on this undocumented behavior.
continue;
}
REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, sc: %d, can: %d, surf: %d",
colorType, sampleCnt, can, SkToBool(surf));
if (surf) {
auto rtc = ((SkSurface_Gpu*)(surf.get()))->getDevice()->accessRenderTargetContext();
auto backendFormat = rtc->asSurfaceProxy()->backendFormat();
int storedCnt = rtc->numSamples();
int allowedCnt = context->priv().caps()->getRenderTargetSampleCount(storedCnt,
backendFormat);
REPORTER_ASSERT(reporter, storedCnt == allowedCnt,
"Should store an allowed sample count (%d vs %d)", allowedCnt,
storedCnt);
}
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrContext_maxSurfaceSamplesForColorType, reporter, ctxInfo) {
auto context = ctxInfo.directContext();
static constexpr int kSize = 10;
for (int ct = 0; ct < kLastEnum_SkColorType; ++ct) {
SkColorType colorType = static_cast<SkColorType>(ct);
int maxSampleCnt = context->maxSurfaceSampleCountForColorType(colorType);
if (!maxSampleCnt) {
continue;
}
if (!context->colorTypeSupportedAsSurface(colorType)) {
continue;
}
auto info = SkImageInfo::Make(kSize, kSize, colorType, kOpaque_SkAlphaType, nullptr);
auto surf = sk_gpu_test::MakeBackendTextureSurface(
context, info, kTopLeft_GrSurfaceOrigin, maxSampleCnt);
if (!surf) {
ERRORF(reporter, "Could not make surface of color type %d.", colorType);
continue;
}
int sampleCnt = ((SkSurface_Gpu*)(surf.get()))
->getDevice()
->accessRenderTargetContext()
->numSamples();
REPORTER_ASSERT(reporter, sampleCnt == maxSampleCnt, "Exected: %d, actual: %d",
maxSampleCnt, sampleCnt);
}
}
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);
}
}
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.directContext(), kPremul_SkAlphaType, &requestInfo));
test_canvas_peek(reporter, surface, requestInfo, false);
}
}
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);
}
}
}
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.directContext(), at, nullptr));
test_snapshot_alphatype(reporter, surface, at);
}
}
}
static void test_backend_texture_access_copy_on_write(
skiatest::Reporter* reporter, SkSurface* surface, SkSurface::BackendHandleAccess access) {
GrBackendTexture tex1 = surface->getBackendTexture(access);
sk_sp<SkImage> snap1(surface->makeImageSnapshot());
GrBackendTexture tex2 = surface->getBackendTexture(access);
sk_sp<SkImage> snap2(surface->makeImageSnapshot());
// If the access mode triggers CoW, then the backend objects should reflect it.
REPORTER_ASSERT(reporter, GrBackendTexture::TestingOnly_Equals(tex1, tex2) == (snap1 == snap2));
}
static void test_backend_rendertarget_access_copy_on_write(
skiatest::Reporter* reporter, SkSurface* surface, SkSurface::BackendHandleAccess access) {
GrBackendRenderTarget rt1 = surface->getBackendRenderTarget(access);
sk_sp<SkImage> snap1(surface->makeImageSnapshot());
GrBackendRenderTarget rt2 = surface->getBackendRenderTarget(access);
sk_sp<SkImage> snap2(surface->makeImageSnapshot());
// If the access mode triggers CoW, then the backend objects should reflect it.
REPORTER_ASSERT(reporter, GrBackendRenderTarget::TestingOnly_Equals(rt1, rt2) ==
(snap1 == snap2));
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendSurfaceAccessCopyOnWrite_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& accessMode : accessModes) {
{
auto surface(surface_func(ctxInfo.directContext(), kPremul_SkAlphaType, nullptr));
test_backend_texture_access_copy_on_write(reporter, surface.get(), accessMode);
}
{
auto surface(surface_func(ctxInfo.directContext(), kPremul_SkAlphaType, nullptr));
test_backend_rendertarget_access_copy_on_write(reporter, surface.get(), accessMode);
}
}
}
}
template<typename Type, Type(SkSurface::*func)(SkSurface::BackendHandleAccess)>
static void test_backend_unique_id(skiatest::Reporter* reporter, SkSurface* surface) {
sk_sp<SkImage> image0(surface->makeImageSnapshot());
Type obj = (surface->*func)(SkSurface::kFlushRead_BackendHandleAccess);
REPORTER_ASSERT(reporter, obj.isValid());
sk_sp<SkImage> image1(surface->makeImageSnapshot());
// just read access should not affect the snapshot
REPORTER_ASSERT(reporter, image0->uniqueID() == image1->uniqueID());
obj = (surface->*func)(SkSurface::kFlushWrite_BackendHandleAccess);
REPORTER_ASSERT(reporter, obj.isValid());
sk_sp<SkImage> image2(surface->makeImageSnapshot());
// expect a new image, since we claimed we would write
REPORTER_ASSERT(reporter, image0->uniqueID() != image2->uniqueID());
obj = (surface->*func)(SkSurface::kDiscardWrite_BackendHandleAccess);
REPORTER_ASSERT(reporter, obj.isValid());
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 }) {
{
auto surface(surface_func(ctxInfo.directContext(), kPremul_SkAlphaType, nullptr));
test_backend_unique_id<GrBackendTexture, &SkSurface::getBackendTexture>(reporter,
surface.get());
}
{
auto surface(surface_func(ctxInfo.directContext(), kPremul_SkAlphaType, nullptr));
test_backend_unique_id<GrBackendRenderTarget, &SkSurface::getBackendRenderTarget>(
reporter, surface.get());
}
}
}
// 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");
#define EXPECT_COPY_ON_WRITE(command) \
{ \
sk_sp<SkImage> imageBefore = surface->makeImageSnapshot(); \
sk_sp<SkImage> aur_before(imageBefore); /*NOLINT*/ \
canvas-> command ; \
sk_sp<SkImage> imageAfter = surface->makeImageSnapshot(); \
sk_sp<SkImage> aur_after(imageAfter); /*NOLINT*/ \
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(drawString(testText, 0, 1, SkFont(), testPaint))
}
DEF_TEST(SurfaceCopyOnWrite, reporter) {
test_copy_on_write(reporter, create_surface().get());
}
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.directContext(), kPremul_SkAlphaType, nullptr));
test_copy_on_write(reporter, surface.get());
}
}
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());
}
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.directContext(), kPremul_SkAlphaType, nullptr));
test_writable_after_snapshot_release(reporter, surface.get());
}
}
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());
SkImage_GpuBase* gpuImage1 = static_cast<SkImage_GpuBase*>(as_IB(image1));
SkImage_GpuBase* gpuImage2 = static_cast<SkImage_GpuBase*>(as_IB(image2));
SkImage_GpuBase* gpuImage3 = static_cast<SkImage_GpuBase*>(as_IB(image3));
SkImage_GpuBase* gpuImage4 = static_cast<SkImage_GpuBase*>(as_IB(image4));
REPORTER_ASSERT(reporter, gpuImage4->getTexture() != gpuImage3->getTexture());
// The following assertion checks crbug.com/263329
REPORTER_ASSERT(reporter, gpuImage4->getTexture() != gpuImage2->getTexture());
REPORTER_ASSERT(reporter, gpuImage4->getTexture() != gpuImage1->getTexture());
REPORTER_ASSERT(reporter, gpuImage3->getTexture() != gpuImage2->getTexture());
REPORTER_ASSERT(reporter, gpuImage3->getTexture() != gpuImage1->getTexture());
REPORTER_ASSERT(reporter, gpuImage2->getTexture() != gpuImage1->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.directContext(), kPremul_SkAlphaType, nullptr));
auto surface2(surface_func(ctxInfo.directContext(), kPremul_SkAlphaType, nullptr));
test_crbug263329(reporter, surface1.get(), surface2.get());
}
}
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());
}
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.directContext(), kPremul_SkAlphaType, nullptr));
sk_sp<SkImage> image(surface->makeImageSnapshot());
REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked());
GrBackendTexture backendTex = image->getBackendTexture(false);
REPORTER_ASSERT(reporter, backendTex.isValid());
surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked());
GrBackendTexture backendTex2 = image->getBackendTexture(false);
REPORTER_ASSERT(reporter, GrBackendTexture::TestingOnly_Equals(backendTex, backendTex2));
}
}
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.directContext(), 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));
}
}
static void test_no_canvas1(skiatest::Reporter* reporter,
SkSurface* surface,
SkSurface::ContentChangeMode mode) {
// Test passes by not asserting
surface->notifyContentWillChange(mode);
}
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); // NOLINT(performance-unnecessary-copy-initialization)
surface->notifyContentWillChange(mode);
sk_sp<SkImage> image2 = surface->makeImageSnapshot();
sk_sp<SkImage> aur_image2(image2); // NOLINT(performance-unnecessary-copy-initialization)
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);
}
}
}
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.directContext(), kPremul_SkAlphaType, nullptr));
test_func(reporter, surface.get(), mode);
}
}
}
}
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);
}
}
}
static sk_sp<SkSurface> create_gpu_surface_backend_texture(GrDirectContext* dContext,
int sampleCnt,
const SkColor4f& color) {
// On Pixel and Pixel2XL's with Adreno 530 and 540s, setting width and height to 10s reliably
// triggers what appears to be a driver race condition where the 10x10 surface from the
// OverdrawSurface_gpu test is reused(?) for this surface created by the SurfacePartialDraw_gpu
// test.
//
// Immediately after creation of this surface, readback shows the correct initial solid color.
// However, sometime before content is rendered into the upper half of the surface, the driver
// presumably cleans up the OverdrawSurface_gpu's memory which corrupts this color buffer. The
// top half of the surface is fine after the partially-covering rectangle is drawn, but the
// untouched bottom half contains random pixel values that trigger asserts in the
// SurfacePartialDraw_gpu test for no longer matching the initial color. Running the
// SurfacePartialDraw_gpu test without the OverdrawSurface_gpu test completes successfully.
//
// Requesting a much larger backend texture size seems to prevent it from reusing the same
// memory and avoids the issue.
#if defined(SK_BUILD_FOR_SKQP)
const int kWidth = 10;
const int kHeight = 10;
#else
const int kWidth = 100;
const int kHeight = 100;
#endif
auto surf = sk_gpu_test::MakeBackendTextureSurface(dContext,
{kWidth, kHeight},
kTopLeft_GrSurfaceOrigin,
sampleCnt,
kRGBA_8888_SkColorType);
if (!surf) {
return nullptr;
}
surf->getCanvas()->clear(color);
return surf;
}
static bool supports_readpixels(const GrCaps* caps, SkSurface* surface) {
auto surfaceGpu = static_cast<SkSurface_Gpu*>(surface);
GrSurfaceDrawContext* context = surfaceGpu->getDevice()->accessRenderTargetContext();
GrRenderTarget* rt = context->accessRenderTarget();
if (!rt) {
return false;
}
return caps->surfaceSupportsReadPixels(rt) == GrCaps::SurfaceReadPixelsSupport::kSupported;
}
static sk_sp<SkSurface> create_gpu_surface_backend_render_target(GrDirectContext* dContext,
int sampleCnt,
const SkColor4f& color) {
const int kWidth = 10;
const int kHeight = 10;
auto surf = sk_gpu_test::MakeBackendRenderTargetSurface(dContext,
{kWidth, kHeight},
kTopLeft_GrSurfaceOrigin,
sampleCnt,
kRGBA_8888_SkColorType);
if (!surf) {
return nullptr;
}
surf->getCanvas()->clear(color);
return surf;
}
static void test_surface_context_clear(skiatest::Reporter* reporter,
GrDirectContext* dContext,
GrSurfaceContext* surfaceContext, uint32_t expectedValue) {
int w = surfaceContext->width();
int h = surfaceContext->height();
SkImageInfo ii = SkImageInfo::Make(w, h, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
SkAutoPixmapStorage readback;
readback.alloc(ii);
readback.erase(~expectedValue);
surfaceContext->readPixels(dContext, readback.info(), readback.writable_addr(),
readback.rowBytes(), {0, 0});
for (int y = 0; y < h; ++y) {
for (int x = 0; x < w; ++x) {
uint32_t pixel = readback.addr32()[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) {
auto dContext = ctxInfo.directContext();
// Snaps an image from a surface and then makes a GrSurfaceContext from the image's texture.
auto makeImageSurfaceContext = [dContext](SkSurface* surface) {
sk_sp<SkImage> i(surface->makeImageSnapshot());
SkImage_Gpu* gpuImage = (SkImage_Gpu*)as_IB(i);
return GrSurfaceContext::Make(dContext,
*gpuImage->view(dContext),
i->imageInfo().colorInfo());
};
// Test that non-wrapped RTs are created clear.
for (auto& surface_func : {&create_gpu_surface, &create_gpu_scratch_surface}) {
auto surface = surface_func(dContext, kPremul_SkAlphaType, nullptr);
if (!surface) {
ERRORF(reporter, "Could not create GPU SkSurface.");
return;
}
auto rtc = surface->getCanvas()->internal_private_accessTopLayerRenderTargetContext();
if (!rtc) {
ERRORF(reporter, "Could access surface context of GPU SkSurface.");
return;
}
test_surface_context_clear(reporter, dContext, rtc, 0x0);
auto imageSurfaceCtx = makeImageSurfaceContext(surface.get());
test_surface_context_clear(reporter, dContext, imageSurfaceCtx.get(), 0x0);
}
// Wrapped RTs are *not* supposed to clear (to allow client to partially update a surface).
const SkColor4f kOrigColor{.67f, .67f, .67f, 1};
for (auto& surfaceFunc :
{&create_gpu_surface_backend_texture, &create_gpu_surface_backend_render_target}) {
auto surface = surfaceFunc(dContext, 1, kOrigColor);
if (!surface) {
ERRORF(reporter, "Could not create GPU SkSurface.");
return;
}
auto rtc = surface->getCanvas()->internal_private_accessTopLayerRenderTargetContext();
if (!rtc) {
ERRORF(reporter, "Could access surface context of GPU SkSurface.");
return;
}
test_surface_context_clear(reporter, dContext, rtc, kOrigColor.toSkColor());
auto imageSurfaceCtx = makeImageSurfaceContext(surface.get());
test_surface_context_clear(reporter, dContext, imageSurfaceCtx.get(),
kOrigColor.toSkColor());
}
}
static void test_surface_draw_partially(
skiatest::Reporter* reporter, sk_sp<SkSurface> surface, SkColor 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::MakeIWH(kW, kH/2), paint);
// 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);
SkAutoPixmapStorage readback;
readback.alloc(readInfo);
readback.erase(~origColor);
REPORTER_ASSERT(reporter, surface->readPixels(readback.info(), readback.writable_addr(),
readback.rowBytes(), 0, 0));
bool stop = false;
SkPMColor origColorPM = SkPackARGB_as_RGBA(SkColorGetA(origColor),
SkColorGetR(origColor),
SkColorGetG(origColor),
SkColorGetB(origColor));
SkPMColor rectColorPM = SkPackARGB_as_RGBA(SkColorGetA(kRectColor),
SkColorGetR(kRectColor),
SkColorGetG(kRectColor),
SkColorGetB(kRectColor));
for (int y = 0; y < kH/2 && !stop; ++y) {
for (int x = 0; x < kW && !stop; ++x) {
REPORTER_ASSERT(reporter, rectColorPM == readback.addr32()[x + y * kW]);
if (rectColorPM != readback.addr32()[x + y * kW]) {
SkDebugf("--- got [%x] expected [%x], x = %d, y = %d\n",
readback.addr32()[x + y * kW], rectColorPM, x, y);
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 == readback.addr32()[x + y * kW]);
if (origColorPM != readback.addr32()[x + y * kW]) {
SkDebugf("--- got [%x] expected [%x], x = %d, y = %d\n",
readback.addr32()[x + y * kW], origColorPM, x, y);
stop = true;
}
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacePartialDraw_Gpu, reporter, ctxInfo) {
auto context = ctxInfo.directContext();
static const SkColor4f kOrigColor { 0.667f, 0.733f, 0.8f, 1 };
for (auto& surfaceFunc :
{&create_gpu_surface_backend_texture, &create_gpu_surface_backend_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.
auto surface = surfaceFunc(context, 1, kOrigColor);
if (surface && supports_readpixels(context->priv().caps(), surface.get())) {
test_surface_draw_partially(reporter, surface, kOrigColor.toSkColor());
}
}
}
struct ReleaseChecker {
ReleaseChecker() : fReleaseCount(0) {}
int fReleaseCount;
static void Release(void* self) {
static_cast<ReleaseChecker*>(self)->fReleaseCount++;
}
};
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceWrappedWithRelease_Gpu, reporter, ctxInfo) {
const int kWidth = 10;
const int kHeight = 10;
auto ctx = ctxInfo.directContext();
GrGpu* gpu = ctx->priv().getGpu();
for (bool useTexture : {false, true}) {
sk_sp<sk_gpu_test::ManagedBackendTexture> mbet;
GrBackendRenderTarget backendRT;
sk_sp<SkSurface> surface;
ReleaseChecker releaseChecker;
GrSurfaceOrigin texOrigin = kBottomLeft_GrSurfaceOrigin;
if (useTexture) {
SkImageInfo ii = SkImageInfo::Make(kWidth, kHeight, SkColorType::kRGBA_8888_SkColorType,
kPremul_SkAlphaType);
mbet = sk_gpu_test::ManagedBackendTexture::MakeFromInfo(ctx, ii, GrMipMapped::kNo,
GrRenderable::kYes);
if (!mbet) {
continue;
}
surface = SkSurface::MakeFromBackendTexture(
ctx,
mbet->texture(),
texOrigin,
/*sample count*/ 1,
kRGBA_8888_SkColorType,
/*color space*/ nullptr,
/*surface props*/ nullptr,
sk_gpu_test::ManagedBackendTexture::ReleaseProc,
mbet->releaseContext(ReleaseChecker::Release, &releaseChecker));
} else {
backendRT = gpu->createTestingOnlyBackendRenderTarget({kWidth, kHeight},
GrColorType::kRGBA_8888);
if (!backendRT.isValid()) {
continue;
}
surface = SkSurface::MakeFromBackendRenderTarget(ctx, backendRT, texOrigin,
kRGBA_8888_SkColorType,
nullptr, nullptr,
ReleaseChecker::Release,
&releaseChecker);
}
if (!surface) {
ERRORF(reporter, "Failed to create surface");
continue;
}
surface->getCanvas()->clear(SK_ColorRED);
surface->flush();
ctx->submit(true);
// Now exercise the release proc
REPORTER_ASSERT(reporter, 0 == releaseChecker.fReleaseCount);
surface.reset(nullptr); // force a release of the surface
REPORTER_ASSERT(reporter, 1 == releaseChecker.fReleaseCount);
if (!useTexture) {
gpu->deleteTestingOnlyBackendRenderTarget(backendRT);
}
}
}
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceAttachStencil_Gpu, reporter, ctxInfo) {
auto context = ctxInfo.directContext();
const GrCaps* caps = context->priv().caps();
if (caps->avoidStencilBuffers()) {
return;
}
static const SkColor4f kOrigColor { 0.667f, 0.733f, 0.8f, 1 };
auto resourceProvider = context->priv().resourceProvider();
for (auto& surfaceFunc :
{&create_gpu_surface_backend_texture, &create_gpu_surface_backend_render_target}) {
for (int sampleCnt : {1, 4, 8}) {
auto surface = surfaceFunc(context, sampleCnt, kOrigColor);
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, sampleCnt));
}
}
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReplaceSurfaceBackendTexture, reporter, ctxInfo) {
auto context = ctxInfo.directContext();
for (int sampleCnt : {1, 2}) {
auto ii = SkImageInfo::Make(10, 10, kRGBA_8888_SkColorType, kPremul_SkAlphaType, nullptr);
auto mbet1 = sk_gpu_test::ManagedBackendTexture::MakeFromInfo(
context, ii, GrMipmapped::kNo, GrRenderable::kYes);
if (!mbet1) {
continue;
}
auto mbet2 = sk_gpu_test::ManagedBackendTexture::MakeFromInfo(
context, ii, GrMipmapped::kNo, GrRenderable::kYes);
if (!mbet2) {
ERRORF(reporter, "Expected to be able to make second texture");
continue;
}
auto ii2 = ii.makeWH(8, 8);
auto mbet3 = sk_gpu_test::ManagedBackendTexture::MakeFromInfo(
context, ii2, GrMipmapped::kNo, GrRenderable::kYes);
GrBackendTexture backendTexture3;
if (!mbet3) {
ERRORF(reporter, "Couldn't create different sized texture.");
continue;
}
auto surf = SkSurface::MakeFromBackendTexture(
context, mbet1->texture(), kTopLeft_GrSurfaceOrigin, sampleCnt,
kRGBA_8888_SkColorType, ii.refColorSpace(), nullptr);
if (!surf) {
continue;
}
surf->getCanvas()->clear(SK_ColorBLUE);
// Change matrix, layer, and clip state before swapping out the backing texture.
surf->getCanvas()->translate(5, 5);
surf->getCanvas()->saveLayer(nullptr, nullptr);
surf->getCanvas()->clipRect(SkRect::MakeXYWH(0, 0, 1, 1));
// switch origin while we're at it.
bool replaced = surf->replaceBackendTexture(mbet2->texture(), kBottomLeft_GrSurfaceOrigin);
REPORTER_ASSERT(reporter, replaced);
SkPaint paint;
paint.setColor(SK_ColorRED);
surf->getCanvas()->drawRect(SkRect::MakeWH(5, 5), paint);
surf->getCanvas()->restore();
// Check that the replacement texture got the right color values.
SkAutoPixmapStorage pm;
pm.alloc(ii);
bool bad = !surf->readPixels(pm, 0, 0);
REPORTER_ASSERT(reporter, !bad, "Could not read surface.");
for (int y = 0; y < ii.height() && !bad; ++y) {
for (int x = 0; x < ii.width() && !bad; ++x) {
auto expected = (x == 5 && y == 5) ? 0xFF0000FF : 0xFFFF0000;
auto found = *pm.addr32(x, y);
if (found != expected) {
bad = true;
ERRORF(reporter, "Expected color 0x%08x, found color 0x%08x at %d, %d.",
expected, found, x, y);
}
}
}
// The original texture should still be all blue.
surf = SkSurface::MakeFromBackendTexture(
context, mbet1->texture(), kBottomLeft_GrSurfaceOrigin, sampleCnt,
kRGBA_8888_SkColorType, ii.refColorSpace(), nullptr);
if (!surf) {
ERRORF(reporter, "Could not create second surface.");
continue;
}
bad = !surf->readPixels(pm, 0, 0);
REPORTER_ASSERT(reporter, !bad, "Could not read second surface.");
for (int y = 0; y < ii.height() && !bad; ++y) {
for (int x = 0; x < ii.width() && !bad; ++x) {
auto expected = 0xFFFF0000;
auto found = *pm.addr32(x, y);
if (found != expected) {
bad = true;
ERRORF(reporter, "Expected color 0x%08x, found color 0x%08x at %d, %d.",
expected, found, x, y);
}
}
}
// Can't replace with the same texture
REPORTER_ASSERT(reporter,
!surf->replaceBackendTexture(mbet1->texture(), kTopLeft_GrSurfaceOrigin));
// Can't replace with invalid texture
REPORTER_ASSERT(reporter, !surf->replaceBackendTexture({}, kTopLeft_GrSurfaceOrigin));
// Can't replace with different size texture.
REPORTER_ASSERT(reporter,
!surf->replaceBackendTexture(mbet3->texture(), kTopLeft_GrSurfaceOrigin));
// Can't replace texture of non-wrapped SkSurface.
surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, ii, sampleCnt, nullptr);
REPORTER_ASSERT(reporter, surf);
if (surf) {
REPORTER_ASSERT(reporter, !surf->replaceBackendTexture(mbet1->texture(),
kTopLeft_GrSurfaceOrigin));
}
}
}
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);
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());
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(OverdrawSurface_Gpu, r, ctxInfo) {
auto context = ctxInfo.directContext();
sk_sp<SkSurface> surface = create_gpu_surface(context);
test_overdraw_surface(r, surface.get());
}
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);
}
// assert: if a given imageinfo is valid for a surface, then it must be valid for an image
// (so the snapshot can succeed)
DEF_TEST(surface_image_unity, reporter) {
auto do_test = [reporter](const SkImageInfo& info) {
size_t rowBytes = info.minRowBytes();
auto surf = SkSurface::MakeRaster(info, rowBytes, nullptr);
if (surf) {
auto img = surf->makeImageSnapshot();
if (!img && false) { // change to true to document the differences
SkDebugf("image failed: [%08X %08X] %14s %s\n",
info.width(),
info.height(),
ToolUtils::colortype_name(info.colorType()),
ToolUtils::alphatype_name(info.alphaType()));
return;
}
REPORTER_ASSERT(reporter, img != nullptr);
char dummyPixel = 0; // just need a valid address (not a valid size)
SkPixmap pmap = { info, &dummyPixel, rowBytes };
img = SkImage::MakeFromRaster(pmap, nullptr, nullptr);
REPORTER_ASSERT(reporter, img != nullptr);
}
};
const int32_t sizes[] = { -1, 0, 1, 1 << 18 };
for (int cti = 0; cti <= kLastEnum_SkColorType; ++cti) {
SkColorType ct = static_cast<SkColorType>(cti);
for (int ati = 0; ati <= kLastEnum_SkAlphaType; ++ati) {
SkAlphaType at = static_cast<SkAlphaType>(ati);
for (int32_t size : sizes) {
do_test(SkImageInfo::Make(1, size, ct, at));
do_test(SkImageInfo::Make(size, 1, ct, at));
}
}
}
}