b516a41779
Unreviewed git-svn-id: http://skia.googlecode.com/svn/trunk@8946 2bbb7eff-a529-9590-31e7-b0007b416f81
223 lines
8.6 KiB
C++
223 lines
8.6 KiB
C++
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/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkCanvas.h"
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#include "SkRRect.h"
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#include "SkSurface.h"
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#include "Test.h"
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#if SK_SUPPORT_GPU
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#include "GrContextFactory.h"
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#else
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class GrContextFactory;
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class GrContext;
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#endif
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enum SurfaceType {
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kRaster_SurfaceType,
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kGpu_SurfaceType,
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kPicture_SurfaceType
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};
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static SkSurface* createSurface(SurfaceType surfaceType, GrContext* context) {
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static const SkImage::Info imageSpec = {
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10, // width
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10, // height
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SkImage::kPMColor_ColorType,
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SkImage::kPremul_AlphaType
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};
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switch (surfaceType) {
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case kRaster_SurfaceType:
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return SkSurface::NewRaster(imageSpec);
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case kGpu_SurfaceType:
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#if SK_SUPPORT_GPU
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SkASSERT(NULL != context);
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return SkSurface::NewRenderTarget(context, imageSpec);
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#else
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SkASSERT(0);
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#endif
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case kPicture_SurfaceType:
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return SkSurface::NewPicture(10, 10);
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}
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SkASSERT(0);
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return NULL;
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}
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static void TestSurfaceCopyOnWrite(skiatest::Reporter* reporter, SurfaceType surfaceType,
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GrContext* context) {
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// Verify that the right canvas commands trigger a copy on write
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SkSurface* surface = createSurface(surfaceType, context);
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SkAutoTUnref<SkSurface> aur_surface(surface);
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SkCanvas* canvas = surface->getCanvas();
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const SkRect testRect =
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SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
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SkIntToScalar(4), SkIntToScalar(5));
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SkMatrix testMatrix;
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testMatrix.reset();
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testMatrix.setScale(SkIntToScalar(2), SkIntToScalar(3));
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SkPath testPath;
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testPath.addRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
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SkIntToScalar(2), SkIntToScalar(1)));
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const SkIRect testIRect = SkIRect::MakeXYWH(0, 0, 2, 1);
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SkRegion testRegion;
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testRegion.setRect(testIRect);
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const SkColor testColor = 0x01020304;
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const SkPaint testPaint;
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const SkPoint testPoints[3] = {
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{SkIntToScalar(0), SkIntToScalar(0)},
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{SkIntToScalar(2), SkIntToScalar(1)},
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{SkIntToScalar(0), SkIntToScalar(2)}
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};
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const size_t testPointCount = 3;
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SkBitmap testBitmap;
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testBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
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testBitmap.allocPixels();
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SkRRect testRRect;
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testRRect.setRectXY(testRect, SK_Scalar1, SK_Scalar1);
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SkString testText("Hello World");
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const SkPoint testPoints2[] = {
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{ SkIntToScalar(0), SkIntToScalar(1) },
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{ SkIntToScalar(1), SkIntToScalar(1) },
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{ SkIntToScalar(2), SkIntToScalar(1) },
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{ SkIntToScalar(3), SkIntToScalar(1) },
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{ SkIntToScalar(4), SkIntToScalar(1) },
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{ SkIntToScalar(5), SkIntToScalar(1) },
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{ SkIntToScalar(6), SkIntToScalar(1) },
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{ SkIntToScalar(7), SkIntToScalar(1) },
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{ SkIntToScalar(8), SkIntToScalar(1) },
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{ SkIntToScalar(9), SkIntToScalar(1) },
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{ SkIntToScalar(10), SkIntToScalar(1) },
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};
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#define EXPECT_COPY_ON_WRITE(command) \
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{ \
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SkImage* imageBefore = surface->newImageSnapshot(); \
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SkAutoTUnref<SkImage> aur_before(imageBefore); \
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canvas-> command ; \
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SkImage* imageAfter = surface->newImageSnapshot(); \
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SkAutoTUnref<SkImage> aur_after(imageAfter); \
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REPORTER_ASSERT(reporter, imageBefore != imageAfter); \
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}
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EXPECT_COPY_ON_WRITE(clear(testColor))
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EXPECT_COPY_ON_WRITE(drawPaint(testPaint))
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EXPECT_COPY_ON_WRITE(drawPoints(SkCanvas::kPoints_PointMode, testPointCount, testPoints, \
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testPaint))
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EXPECT_COPY_ON_WRITE(drawOval(testRect, testPaint))
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EXPECT_COPY_ON_WRITE(drawRect(testRect, testPaint))
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EXPECT_COPY_ON_WRITE(drawRRect(testRRect, testPaint))
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EXPECT_COPY_ON_WRITE(drawPath(testPath, testPaint))
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EXPECT_COPY_ON_WRITE(drawBitmap(testBitmap, 0, 0))
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EXPECT_COPY_ON_WRITE(drawBitmapRect(testBitmap, NULL, testRect))
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EXPECT_COPY_ON_WRITE(drawBitmapMatrix(testBitmap, testMatrix, NULL))
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EXPECT_COPY_ON_WRITE(drawBitmapNine(testBitmap, testIRect, testRect, NULL))
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EXPECT_COPY_ON_WRITE(drawSprite(testBitmap, 0, 0, NULL))
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EXPECT_COPY_ON_WRITE(drawText(testText.c_str(), testText.size(), 0, 1, testPaint))
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EXPECT_COPY_ON_WRITE(drawPosText(testText.c_str(), testText.size(), testPoints2, \
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testPaint))
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EXPECT_COPY_ON_WRITE(drawTextOnPath(testText.c_str(), testText.size(), testPath, NULL, \
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testPaint))
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}
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static void TestSurfaceWritableAfterSnapshotRelease(skiatest::Reporter* reporter,
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SurfaceType surfaceType,
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GrContext* context) {
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// This test succeeds by not triggering an assertion.
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// The test verifies that the surface remains writable (usable) after
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// acquiring and releasing a snapshot without triggering a copy on write.
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SkSurface* surface = createSurface(surfaceType, context);
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SkAutoTUnref<SkSurface> aur_surface(surface);
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SkCanvas* canvas = surface->getCanvas();
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canvas->clear(1);
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surface->newImageSnapshot()->unref(); // Create and destroy SkImage
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canvas->clear(2);
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}
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#if SK_SUPPORT_GPU
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static void TestGetTexture(skiatest::Reporter* reporter,
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SurfaceType surfaceType,
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GrContext* context) {
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SkAutoTUnref<SkSurface> surface(createSurface(surfaceType, context));
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SkAutoTUnref<SkImage> image(surface->newImageSnapshot());
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GrTexture* texture = image->getTexture();
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if (surfaceType == kGpu_SurfaceType) {
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REPORTER_ASSERT(reporter, NULL != texture);
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REPORTER_ASSERT(reporter, 0 != texture->getTextureHandle());
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} else {
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REPORTER_ASSERT(reporter, NULL == texture);
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}
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surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
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REPORTER_ASSERT(reporter, image->getTexture() == texture);
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}
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#endif
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static void TestSurfaceNoCanvas(skiatest::Reporter* reporter,
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SurfaceType surfaceType,
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GrContext* context,
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SkSurface::ContentChangeMode mode) {
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// Verifies the robustness of SkSurface for handling use cases where calls
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// are made before a canvas is created.
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{
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// Test passes by not asserting
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SkSurface* surface = createSurface(surfaceType, context);
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SkAutoTUnref<SkSurface> aur_surface(surface);
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surface->notifyContentWillChange(mode);
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surface->validate();
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}
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{
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SkSurface* surface = createSurface(surfaceType, context);
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SkAutoTUnref<SkSurface> aur_surface(surface);
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SkImage* image1 = surface->newImageSnapshot();
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SkAutoTUnref<SkImage> aur_image1(image1);
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image1->validate();
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surface->validate();
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surface->notifyContentWillChange(mode);
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image1->validate();
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surface->validate();
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SkImage* image2 = surface->newImageSnapshot();
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SkAutoTUnref<SkImage> aur_image2(image2);
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image2->validate();
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surface->validate();
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REPORTER_ASSERT(reporter, image1 != image2);
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}
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}
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static void TestSurface(skiatest::Reporter* reporter, GrContextFactory* factory) {
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TestSurfaceCopyOnWrite(reporter, kRaster_SurfaceType, NULL);
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TestSurfaceCopyOnWrite(reporter, kPicture_SurfaceType, NULL);
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TestSurfaceWritableAfterSnapshotRelease(reporter, kRaster_SurfaceType, NULL);
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TestSurfaceWritableAfterSnapshotRelease(reporter, kPicture_SurfaceType, NULL);
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TestSurfaceNoCanvas(reporter, kRaster_SurfaceType, NULL, SkSurface::kDiscard_ContentChangeMode);
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TestSurfaceNoCanvas(reporter, kRaster_SurfaceType, NULL, SkSurface::kRetain_ContentChangeMode);
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#if SK_SUPPORT_GPU
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TestGetTexture(reporter, kRaster_SurfaceType, NULL);
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TestGetTexture(reporter, kPicture_SurfaceType, NULL);
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if (NULL != factory) {
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GrContext* context = factory->get(GrContextFactory::kNative_GLContextType);
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TestSurfaceCopyOnWrite(reporter, kGpu_SurfaceType, context);
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TestSurfaceWritableAfterSnapshotRelease(reporter, kGpu_SurfaceType, context);
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TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kDiscard_ContentChangeMode);
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TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kRetain_ContentChangeMode);
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TestGetTexture(reporter, kGpu_SurfaceType, context);
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}
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#endif
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}
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#include "TestClassDef.h"
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DEFINE_GPUTESTCLASS("Surface", SurfaceTestClass, TestSurface)
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