skia2/tests/SurfaceTest.cpp

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