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skia2/tests/DeferredCanvasTest.cpp
junov@chromium.org 9becf0090f Fix crash with SkDeferredCanvas+SkSurface integration with in order draw buffer. 
The fImmediateDevice member of DeferredDevice (SkDeferredCanvas.cpp) was becoming invalid after a fork of the backingstore in SkSurface_Gpu cause the device to be substituted.

New unit test code was to exercise SkSurface copy on write with draws that are deferred in GrInOrderDrawBuffer.  The bad pointer was causing the test to crash.

TEST=skia unit test DeferredCanvas, subtest TestDeferredCanvasSurface
Review URL: https://codereview.chromium.org/14263015

git-svn-id: http://skia.googlecode.com/svn/trunk@8686 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-04-15 18:15:23 +00:00

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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "SkBitmap.h"
#include "SkBitmapProcShader.h"
#include "SkDeferredCanvas.h"
#include "SkDevice.h"
#include "SkGradientShader.h"
#include "SkShader.h"
#include "SkSurface.h"
#if SK_SUPPORT_GPU
#include "GrContextFactory.h"
#else
class GrContextFactory;
#endif
static const int gWidth = 2;
static const int gHeight = 2;
static void create(SkBitmap* bm, SkBitmap::Config config, SkColor color) {
bm->setConfig(config, gWidth, gHeight);
bm->allocPixels();
bm->eraseColor(color);
}
static void TestDeferredCanvasBitmapAccess(skiatest::Reporter* reporter) {
SkBitmap store;
create(&store, SkBitmap::kARGB_8888_Config, 0xFFFFFFFF);
SkDevice device(store);
SkDeferredCanvas canvas(&device);
canvas.clear(0x00000000);
SkAutoLockPixels alp(store);
REPORTER_ASSERT(reporter, store.getColor(0,0) == 0xFFFFFFFF); //verify that clear was deferred
SkBitmap accessed = canvas.getDevice()->accessBitmap(false);
REPORTER_ASSERT(reporter, store.getColor(0,0) == 0x00000000); //verify that clear was executed
REPORTER_ASSERT(reporter, accessed.pixelRef() == store.pixelRef());
}
static void TestDeferredCanvasFlush(skiatest::Reporter* reporter) {
SkBitmap store;
create(&store, SkBitmap::kARGB_8888_Config, 0xFFFFFFFF);
SkDevice device(store);
SkDeferredCanvas canvas(&device);
canvas.clear(0x00000000);
SkAutoLockPixels alp(store);
REPORTER_ASSERT(reporter, store.getColor(0,0) == 0xFFFFFFFF); //verify that clear was deferred
canvas.flush();
REPORTER_ASSERT(reporter, store.getColor(0,0) == 0x00000000); //verify that clear was executed
}
static void TestDeferredCanvasFreshFrame(skiatest::Reporter* reporter) {
SkBitmap store;
SkRect fullRect;
fullRect.setXYWH(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(gWidth),
SkIntToScalar(gHeight));
SkRect partialRect;
partialRect.setXYWH(SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(1), SkIntToScalar(1));
create(&store, SkBitmap::kARGB_8888_Config, 0xFFFFFFFF);
SkDevice device(store);
SkDeferredCanvas canvas(&device);
// verify that frame is intially fresh
REPORTER_ASSERT(reporter, canvas.isFreshFrame());
// no clearing op since last call to isFreshFrame -> not fresh
REPORTER_ASSERT(reporter, !canvas.isFreshFrame());
// Verify that clear triggers a fresh frame
canvas.clear(0x00000000);
REPORTER_ASSERT(reporter, canvas.isFreshFrame());
// Verify that clear with saved state triggers a fresh frame
canvas.save(SkCanvas::kMatrixClip_SaveFlag);
canvas.clear(0x00000000);
canvas.restore();
REPORTER_ASSERT(reporter, canvas.isFreshFrame());
// Verify that clear within a layer does NOT trigger a fresh frame
canvas.saveLayer(NULL, NULL, SkCanvas::kARGB_ClipLayer_SaveFlag);
canvas.clear(0x00000000);
canvas.restore();
REPORTER_ASSERT(reporter, !canvas.isFreshFrame());
// Verify that a clear with clipping triggers a fresh frame
// (clear is not affected by clipping)
canvas.save(SkCanvas::kMatrixClip_SaveFlag);
canvas.clipRect(partialRect, SkRegion::kIntersect_Op, false);
canvas.clear(0x00000000);
canvas.restore();
REPORTER_ASSERT(reporter, canvas.isFreshFrame());
// Verify that full frame rects with different forms of opaque paint
// trigger frames to be marked as fresh
{
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setAlpha(255);
canvas.drawRect(fullRect, paint);
REPORTER_ASSERT(reporter, canvas.isFreshFrame());
}
{
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setAlpha(255);
paint.setXfermodeMode(SkXfermode::kSrcIn_Mode);
canvas.drawRect(fullRect, paint);
REPORTER_ASSERT(reporter, !canvas.isFreshFrame());
}
{
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
SkBitmap bmp;
create(&bmp, SkBitmap::kARGB_8888_Config, 0xFFFFFFFF);
bmp.setIsOpaque(true);
SkShader* shader = SkShader::CreateBitmapShader(bmp,
SkShader::kClamp_TileMode, SkShader::kClamp_TileMode);
paint.setShader(shader)->unref();
canvas.drawRect(fullRect, paint);
REPORTER_ASSERT(reporter, canvas.isFreshFrame());
}
// Verify that full frame rects with different forms of non-opaque paint
// do not trigger frames to be marked as fresh
{
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setAlpha(254);
canvas.drawRect(fullRect, paint);
REPORTER_ASSERT(reporter, !canvas.isFreshFrame());
}
{
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
// Defining a cone that partially overlaps the canvas
const SkPoint pt1 = SkPoint::Make(SkIntToScalar(0), SkIntToScalar(0));
const SkScalar r1 = SkIntToScalar(1);
const SkPoint pt2 = SkPoint::Make(SkIntToScalar(10), SkIntToScalar(0));
const SkScalar r2 = SkIntToScalar(5);
const SkColor colors[2] = {SK_ColorWHITE, SK_ColorWHITE};
const SkScalar pos[2] = {0, SK_Scalar1};
SkShader* shader = SkGradientShader::CreateTwoPointConical(
pt1, r1, pt2, r2, colors, pos, 2, SkShader::kClamp_TileMode, NULL);
paint.setShader(shader)->unref();
canvas.drawRect(fullRect, paint);
REPORTER_ASSERT(reporter, !canvas.isFreshFrame());
}
{
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
SkBitmap bmp;
create(&bmp, SkBitmap::kARGB_8888_Config, 0xFFFFFFFF);
bmp.setIsOpaque(false);
SkShader* shader = SkShader::CreateBitmapShader(bmp,
SkShader::kClamp_TileMode, SkShader::kClamp_TileMode);
paint.setShader(shader)->unref();
canvas.drawRect(fullRect, paint);
REPORTER_ASSERT(reporter, !canvas.isFreshFrame());
}
// Verify that incomplete coverage does not trigger a fresh frame
{
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setAlpha(255);
canvas.drawRect(partialRect, paint);
REPORTER_ASSERT(reporter, !canvas.isFreshFrame());
}
// Verify that incomplete coverage due to clipping does not trigger a fresh
// frame
{
canvas.save(SkCanvas::kMatrixClip_SaveFlag);
canvas.clipRect(partialRect, SkRegion::kIntersect_Op, false);
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setAlpha(255);
canvas.drawRect(fullRect, paint);
canvas.restore();
REPORTER_ASSERT(reporter, !canvas.isFreshFrame());
}
{
canvas.save(SkCanvas::kMatrixClip_SaveFlag);
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setAlpha(255);
SkPath path;
path.addCircle(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(2));
canvas.clipPath(path, SkRegion::kIntersect_Op, false);
canvas.drawRect(fullRect, paint);
canvas.restore();
REPORTER_ASSERT(reporter, !canvas.isFreshFrame());
}
// Verify that stroked rect does not trigger a fresh frame
{
SkPaint paint;
paint.setStyle(SkPaint::kStroke_Style);
paint.setAlpha(255);
canvas.drawRect(fullRect, paint);
REPORTER_ASSERT(reporter, !canvas.isFreshFrame());
}
// Verify kSrcMode triggers a fresh frame even with transparent color
{
SkPaint paint;
paint.setStyle(SkPaint::kFill_Style);
paint.setAlpha(100);
paint.setXfermodeMode(SkXfermode::kSrc_Mode);
canvas.drawRect(fullRect, paint);
REPORTER_ASSERT(reporter, canvas.isFreshFrame());
}
}
class MockDevice : public SkDevice {
public:
MockDevice(const SkBitmap& bm) : SkDevice(bm) {
fDrawBitmapCallCount = 0;
}
virtual void drawBitmap(const SkDraw&, const SkBitmap&,
const SkIRect*,
const SkMatrix&, const SkPaint&) {
fDrawBitmapCallCount++;
}
int fDrawBitmapCallCount;
};
// Verifies that the deferred canvas triggers a flush when its memory
// limit is exceeded
static void TestDeferredCanvasMemoryLimit(skiatest::Reporter* reporter) {
SkBitmap store;
store.setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
store.allocPixels();
MockDevice mockDevice(store);
SkDeferredCanvas canvas(&mockDevice);
canvas.setMaxRecordingStorage(160000);
SkBitmap sourceImage;
// 100 by 100 image, takes 40,000 bytes in memory
sourceImage.setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
sourceImage.allocPixels();
for (int i = 0; i < 5; i++) {
sourceImage.notifyPixelsChanged(); // to force re-serialization
canvas.drawBitmap(sourceImage, 0, 0, NULL);
}
REPORTER_ASSERT(reporter, mockDevice.fDrawBitmapCallCount == 4);
}
class NotificationCounter : public SkDeferredCanvas::NotificationClient {
public:
NotificationCounter() {
fPrepareForDrawCount = fStorageAllocatedChangedCount =
fFlushedDrawCommandsCount = fSkippedPendingDrawCommandsCount = 0;
}
virtual void prepareForDraw() SK_OVERRIDE {
fPrepareForDrawCount++;
}
virtual void storageAllocatedForRecordingChanged(size_t) SK_OVERRIDE {
fStorageAllocatedChangedCount++;
}
virtual void flushedDrawCommands() SK_OVERRIDE {
fFlushedDrawCommandsCount++;
}
virtual void skippedPendingDrawCommands() SK_OVERRIDE {
fSkippedPendingDrawCommandsCount++;
}
int fPrepareForDrawCount;
int fStorageAllocatedChangedCount;
int fFlushedDrawCommandsCount;
int fSkippedPendingDrawCommandsCount;
private:
typedef SkDeferredCanvas::NotificationClient INHERITED;
};
static void TestDeferredCanvasBitmapCaching(skiatest::Reporter* reporter) {
SkBitmap store;
store.setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
store.allocPixels();
SkDevice device(store);
NotificationCounter notificationCounter;
SkDeferredCanvas canvas(&device);
canvas.setNotificationClient(&notificationCounter);
const int imageCount = 2;
SkBitmap sourceImages[imageCount];
for (int i = 0; i < imageCount; i++)
{
sourceImages[i].setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
sourceImages[i].allocPixels();
}
size_t bitmapSize = sourceImages[0].getSize();
canvas.drawBitmap(sourceImages[0], 0, 0, NULL);
REPORTER_ASSERT(reporter, 1 == notificationCounter.fStorageAllocatedChangedCount);
// stored bitmap + drawBitmap command
REPORTER_ASSERT(reporter, canvas.storageAllocatedForRecording() > bitmapSize);
// verify that nothing can be freed at this point
REPORTER_ASSERT(reporter, 0 == canvas.freeMemoryIfPossible(~0U));
// verify that flush leaves image in cache
REPORTER_ASSERT(reporter, 0 == notificationCounter.fFlushedDrawCommandsCount);
REPORTER_ASSERT(reporter, 0 == notificationCounter.fPrepareForDrawCount);
canvas.flush();
REPORTER_ASSERT(reporter, 1 == notificationCounter.fFlushedDrawCommandsCount);
REPORTER_ASSERT(reporter, 1 == notificationCounter.fPrepareForDrawCount);
REPORTER_ASSERT(reporter, canvas.storageAllocatedForRecording() >= bitmapSize);
// verify that after a flush, cached image can be freed
REPORTER_ASSERT(reporter, canvas.freeMemoryIfPossible(~0U) >= bitmapSize);
// Verify that caching works for avoiding multiple copies of the same bitmap
canvas.drawBitmap(sourceImages[0], 0, 0, NULL);
REPORTER_ASSERT(reporter, 2 == notificationCounter.fStorageAllocatedChangedCount);
canvas.drawBitmap(sourceImages[0], 0, 0, NULL);
REPORTER_ASSERT(reporter, 2 == notificationCounter.fStorageAllocatedChangedCount);
REPORTER_ASSERT(reporter, 1 == notificationCounter.fFlushedDrawCommandsCount);
REPORTER_ASSERT(reporter, canvas.storageAllocatedForRecording() < 2 * bitmapSize);
// Verify partial eviction based on bytesToFree
canvas.drawBitmap(sourceImages[1], 0, 0, NULL);
REPORTER_ASSERT(reporter, 1 == notificationCounter.fFlushedDrawCommandsCount);
canvas.flush();
REPORTER_ASSERT(reporter, 2 == notificationCounter.fFlushedDrawCommandsCount);
REPORTER_ASSERT(reporter, canvas.storageAllocatedForRecording() > 2 * bitmapSize);
size_t bytesFreed = canvas.freeMemoryIfPossible(1);
REPORTER_ASSERT(reporter, 2 == notificationCounter.fFlushedDrawCommandsCount);
REPORTER_ASSERT(reporter, bytesFreed >= bitmapSize);
REPORTER_ASSERT(reporter, bytesFreed < 2*bitmapSize);
// Verifiy that partial purge works, image zero is in cache but not reffed by
// a pending draw, while image 1 is locked-in.
canvas.freeMemoryIfPossible(~0U);
REPORTER_ASSERT(reporter, 2 == notificationCounter.fFlushedDrawCommandsCount);
canvas.drawBitmap(sourceImages[0], 0, 0, NULL);
canvas.flush();
canvas.drawBitmap(sourceImages[1], 0, 0, NULL);
bytesFreed = canvas.freeMemoryIfPossible(~0U);
// only one bitmap should have been freed.
REPORTER_ASSERT(reporter, bytesFreed >= bitmapSize);
REPORTER_ASSERT(reporter, bytesFreed < 2*bitmapSize);
// Clear for next test
canvas.flush();
canvas.freeMemoryIfPossible(~0U);
REPORTER_ASSERT(reporter, canvas.storageAllocatedForRecording() < bitmapSize);
// Verify the image cache is sensitive to genID bumps
canvas.drawBitmap(sourceImages[1], 0, 0, NULL);
sourceImages[1].notifyPixelsChanged();
canvas.drawBitmap(sourceImages[1], 0, 0, NULL);
REPORTER_ASSERT(reporter, canvas.storageAllocatedForRecording() > 2*bitmapSize);
// Verify that nothing in this test caused commands to be skipped
REPORTER_ASSERT(reporter, 0 == notificationCounter.fSkippedPendingDrawCommandsCount);
}
static void TestDeferredCanvasSkip(skiatest::Reporter* reporter) {
SkBitmap store;
store.setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
store.allocPixels();
SkDevice device(store);
NotificationCounter notificationCounter;
SkDeferredCanvas canvas(&device);
canvas.setNotificationClient(&notificationCounter);
canvas.clear(0x0);
REPORTER_ASSERT(reporter, 1 == notificationCounter.fSkippedPendingDrawCommandsCount);
REPORTER_ASSERT(reporter, 0 == notificationCounter.fFlushedDrawCommandsCount);
canvas.flush();
REPORTER_ASSERT(reporter, 1 == notificationCounter.fSkippedPendingDrawCommandsCount);
REPORTER_ASSERT(reporter, 1 == notificationCounter.fFlushedDrawCommandsCount);
}
static void TestDeferredCanvasBitmapShaderNoLeak(skiatest::Reporter* reporter) {
// This is a regression test for crbug.com/155875
// This test covers a code path that inserts bitmaps into the bitmap heap through the
// flattening of SkBitmapProcShaders. The refcount in the bitmap heap is maintained through
// the flattening and unflattening of the shader.
SkBitmap store;
store.setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
store.allocPixels();
SkDevice device(store);
SkDeferredCanvas canvas(&device);
// test will fail if nbIterations is not in sync with
// BITMAPS_TO_KEEP in SkGPipeWrite.cpp
const int nbIterations = 5;
size_t bytesAllocated = 0;
for(int pass = 0; pass < 2; ++pass) {
for(int i = 0; i < nbIterations; ++i) {
SkPaint paint;
SkBitmap paintPattern;
paintPattern.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
paintPattern.allocPixels();
paint.setShader(SkNEW_ARGS(SkBitmapProcShader,
(paintPattern, SkShader::kClamp_TileMode, SkShader::kClamp_TileMode)))->unref();
canvas.drawPaint(paint);
canvas.flush();
// In the first pass, memory allocation should be monotonically increasing as
// the bitmap heap slots fill up. In the second pass memory allocation should be
// stable as bitmap heap slots get recycled.
size_t newBytesAllocated = canvas.storageAllocatedForRecording();
if (pass == 0) {
REPORTER_ASSERT(reporter, newBytesAllocated > bytesAllocated);
bytesAllocated = newBytesAllocated;
} else {
REPORTER_ASSERT(reporter, newBytesAllocated == bytesAllocated);
}
}
}
// All cached resources should be evictable since last canvas call was flush()
canvas.freeMemoryIfPossible(~0U);
REPORTER_ASSERT(reporter, 0 == canvas.storageAllocatedForRecording());
}
static void TestDeferredCanvasBitmapSizeThreshold(skiatest::Reporter* reporter) {
SkBitmap store;
store.setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
store.allocPixels();
SkBitmap sourceImage;
// 100 by 100 image, takes 40,000 bytes in memory
sourceImage.setConfig(SkBitmap::kARGB_8888_Config, 100, 100);
sourceImage.allocPixels();
// 1 under : should not store the image
{
SkDevice device(store);
SkDeferredCanvas canvas(&device);
canvas.setBitmapSizeThreshold(39999);
canvas.drawBitmap(sourceImage, 0, 0, NULL);
size_t newBytesAllocated = canvas.storageAllocatedForRecording();
REPORTER_ASSERT(reporter, newBytesAllocated == 0);
}
// exact value : should store the image
{
SkDevice device(store);
SkDeferredCanvas canvas(&device);
canvas.setBitmapSizeThreshold(40000);
canvas.drawBitmap(sourceImage, 0, 0, NULL);
size_t newBytesAllocated = canvas.storageAllocatedForRecording();
REPORTER_ASSERT(reporter, newBytesAllocated > 0);
}
// 1 over : should still store the image
{
SkDevice device(store);
SkDeferredCanvas canvas(&device);
canvas.setBitmapSizeThreshold(40001);
canvas.drawBitmap(sourceImage, 0, 0, NULL);
size_t newBytesAllocated = canvas.storageAllocatedForRecording();
REPORTER_ASSERT(reporter, newBytesAllocated > 0);
}
}
typedef void* PixelPtr;
// Returns an opaque pointer which, either points to a GrTexture or RAM pixel
// buffer. Used to test pointer equality do determine whether a surface points
// to the same pixel data storage as before.
static PixelPtr getSurfacePixelPtr(SkSurface* surface, bool useGpu) {
return useGpu ? surface->getCanvas()->getDevice()->accessBitmap(false).getTexture() :
surface->getCanvas()->getDevice()->accessBitmap(false).getPixels();
}
static void TestDeferredCanvasSurface(skiatest::Reporter* reporter, GrContextFactory* factory) {
SkImage::Info imageSpec = {
10, // width
10, // height
SkImage::kPMColor_ColorType,
SkImage::kPremul_AlphaType
};
SkSurface* surface;
bool useGpu = NULL != factory;
#if SK_SUPPORT_GPU
if (useGpu) {
GrContext* context = factory->get(GrContextFactory::kNative_GLContextType);
surface = SkSurface::NewRenderTarget(context, imageSpec);
} else {
surface = SkSurface::NewRaster(imageSpec);
}
#else
SkASSERT(!useGpu);
surface = SkSurface::NewRaster(imageSpec);
#endif
SkASSERT(NULL != surface);
SkAutoTUnref<SkSurface> aur(surface);
SkDeferredCanvas canvas(surface);
SkImage* image1 = canvas.newImageSnapshot();
SkAutoTUnref<SkImage> aur_i1(image1);
PixelPtr pixels1 = getSurfacePixelPtr(surface, useGpu);
// The following clear would normally trigger a copy on write, but
// it won't because rendering is deferred.
canvas.clear(SK_ColorBLACK);
// Obtaining a snapshot directly from the surface (as opposed to the
// SkDeferredCanvas) will not trigger a flush of deferred draw operations
// and will therefore return the same image as the previous snapshot.
SkImage* image2 = surface->newImageSnapshot();
SkAutoTUnref<SkImage> aur_i2(image2);
// Images identical because of deferral
REPORTER_ASSERT(reporter, image1->uniqueID() == image2->uniqueID());
// Now we obtain a snpshot via the deferred canvas, which triggers a flush.
// Because there is a pending clear, this will generate a different image.
SkImage* image3 = canvas.newImageSnapshot();
SkAutoTUnref<SkImage> aur_i3(image3);
REPORTER_ASSERT(reporter, image1->uniqueID() != image3->uniqueID());
// Verify that backing store is now a different buffer because of copy on
// write
PixelPtr pixels2 = getSurfacePixelPtr(surface, useGpu);
REPORTER_ASSERT(reporter, pixels1 != pixels2);
// Verify copy-on write with a draw operation that gets deferred by
// the in order draw buffer.
SkPaint paint;
canvas.drawPaint(paint);
SkImage* image4 = canvas.newImageSnapshot(); // implicit flush
SkAutoTUnref<SkImage> aur_i4(image4);
REPORTER_ASSERT(reporter, image4->uniqueID() != image3->uniqueID());
PixelPtr pixels3 = getSurfacePixelPtr(surface, useGpu);
REPORTER_ASSERT(reporter, pixels2 != pixels3);
// Verify that a direct canvas flush with a pending draw does not trigger
// a copy on write when the surface is not sharing its buffer with an
// SkImage.
canvas.clear(SK_ColorWHITE);
canvas.flush();
PixelPtr pixels4 = getSurfacePixelPtr(surface, useGpu);
canvas.drawPaint(paint);
canvas.flush();
PixelPtr pixels5 = getSurfacePixelPtr(surface, useGpu);
REPORTER_ASSERT(reporter, pixels4 == pixels5);
}
static void TestDeferredCanvas(skiatest::Reporter* reporter, GrContextFactory* factory) {
TestDeferredCanvasBitmapAccess(reporter);
TestDeferredCanvasFlush(reporter);
TestDeferredCanvasFreshFrame(reporter);
TestDeferredCanvasMemoryLimit(reporter);
TestDeferredCanvasBitmapCaching(reporter);
TestDeferredCanvasSkip(reporter);
TestDeferredCanvasBitmapShaderNoLeak(reporter);
TestDeferredCanvasBitmapSizeThreshold(reporter);
TestDeferredCanvasSurface(reporter, NULL);
if (NULL != factory) {
TestDeferredCanvasSurface(reporter, factory);
}
}
#include "TestClassDef.h"
DEFINE_GPUTESTCLASS("DeferredCanvas", TestDeferredCanvasClass, TestDeferredCanvas)
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