| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file |
| */ |
| |
| #include "SkAutoPixmapStorage.h" |
| #include "SkBitmap.h" |
| #include "SkCanvas.h" |
| #include "SkImage.h" |
| #include "SkPixmap.h" |
| #include "SkSpecialImage.h" |
| #include "SkSpecialSurface.h" |
| #include "SkSurface.h" |
| #include "Test.h" |
| #include "TestingSpecialImageAccess.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "GrContext.h" |
| #endif |
| |
| |
| // This test creates backing resources exactly sized to [kFullSize x kFullSize]. |
| // It then wraps them in an SkSpecialImage with only the center (red) region being active. |
| // It then draws the SkSpecialImage to a full sized (all blue) canvas and checks that none |
| // of the inactive (green) region leaked out. |
| |
| static const int kSmallerSize = 10; |
| static const int kPad = 3; |
| static const int kFullSize = kSmallerSize + 2 * kPad; |
| |
| // Create a bitmap with red in the center and green around it |
| static SkBitmap create_bm() { |
| SkBitmap bm; |
| bm.allocN32Pixels(kFullSize, kFullSize, true); |
| |
| SkCanvas temp(bm); |
| |
| temp.clear(SK_ColorGREEN); |
| SkPaint p; |
| p.setColor(SK_ColorRED); |
| p.setAntiAlias(false); |
| |
| temp.drawRect(SkRect::MakeXYWH(SkIntToScalar(kPad), SkIntToScalar(kPad), |
| SkIntToScalar(kSmallerSize), SkIntToScalar(kSmallerSize)), |
| p); |
| |
| return bm; |
| } |
| |
| // Basic test of the SkSpecialImage public API (e.g., peekTexture, peekPixels & draw) |
| static void test_image(const sk_sp<SkSpecialImage>& img, skiatest::Reporter* reporter, |
| bool peekPixelsSucceeds, bool peekTextureSucceeds, |
| int offset, int size) { |
| const SkIRect subset = TestingSpecialImageAccess::Subset(img.get()); |
| REPORTER_ASSERT(reporter, offset == subset.left()); |
| REPORTER_ASSERT(reporter, offset == subset.top()); |
| REPORTER_ASSERT(reporter, kSmallerSize == subset.width()); |
| REPORTER_ASSERT(reporter, kSmallerSize == subset.height()); |
| |
| //-------------- |
| // Test that peekTexture reports the correct backing type |
| REPORTER_ASSERT(reporter, peekTextureSucceeds == |
| !!TestingSpecialImageAccess::PeekTexture(img.get())); |
| |
| //-------------- |
| // Test that peekPixels reports the correct backing type |
| SkPixmap pixmap; |
| REPORTER_ASSERT(reporter, peekPixelsSucceeds == |
| !!TestingSpecialImageAccess::PeekPixels(img.get(), &pixmap)); |
| if (peekPixelsSucceeds) { |
| REPORTER_ASSERT(reporter, size == pixmap.width()); |
| REPORTER_ASSERT(reporter, size == pixmap.height()); |
| } |
| |
| //-------------- |
| // Test that draw restricts itself to the subset |
| SkImageInfo info = SkImageInfo::MakeN32(kFullSize, kFullSize, kOpaque_SkAlphaType); |
| |
| sk_sp<SkSpecialSurface> surf(img->makeSurface(info)); |
| |
| SkCanvas* canvas = surf->getCanvas(); |
| |
| canvas->clear(SK_ColorBLUE); |
| img->draw(canvas, SkIntToScalar(kPad), SkIntToScalar(kPad), nullptr); |
| |
| SkBitmap bm; |
| bm.allocN32Pixels(kFullSize, kFullSize, true); |
| |
| bool result = canvas->readPixels(bm.info(), bm.getPixels(), bm.rowBytes(), 0, 0); |
| SkASSERT_RELEASE(result); |
| |
| // Only the center (red) portion should've been drawn into the canvas |
| REPORTER_ASSERT(reporter, SK_ColorBLUE == bm.getColor(kPad-1, kPad-1)); |
| REPORTER_ASSERT(reporter, SK_ColorRED == bm.getColor(kPad, kPad)); |
| REPORTER_ASSERT(reporter, SK_ColorRED == bm.getColor(kSmallerSize+kPad-1, |
| kSmallerSize+kPad-1)); |
| REPORTER_ASSERT(reporter, SK_ColorBLUE == bm.getColor(kSmallerSize+kPad, |
| kSmallerSize+kPad)); |
| |
| //-------------- |
| // Test that makeTightSubset & makeTightSurface return appropriately sized objects |
| // of the correct backing type |
| SkIRect newSubset = SkIRect::MakeWH(subset.width(), subset.height()); |
| { |
| sk_sp<SkImage> tightImg(img->makeTightSubset(newSubset)); |
| |
| REPORTER_ASSERT(reporter, tightImg->width() == subset.width()); |
| REPORTER_ASSERT(reporter, tightImg->height() == subset.height()); |
| REPORTER_ASSERT(reporter, peekTextureSucceeds == !!tightImg->getTexture()); |
| SkPixmap tmpPixmap; |
| REPORTER_ASSERT(reporter, peekPixelsSucceeds == !!tightImg->peekPixels(&tmpPixmap)); |
| } |
| { |
| SkImageInfo info = SkImageInfo::MakeN32(subset.width(), subset.height(), |
| kPremul_SkAlphaType); |
| sk_sp<SkSurface> tightSurf(img->makeTightSurface(info)); |
| |
| REPORTER_ASSERT(reporter, tightSurf->width() == subset.width()); |
| REPORTER_ASSERT(reporter, tightSurf->height() == subset.height()); |
| REPORTER_ASSERT(reporter, peekTextureSucceeds == |
| !!tightSurf->getTextureHandle(SkSurface::kDiscardWrite_BackendHandleAccess)); |
| SkPixmap tmpPixmap; |
| REPORTER_ASSERT(reporter, peekPixelsSucceeds == !!tightSurf->peekPixels(&tmpPixmap)); |
| } |
| } |
| |
| DEF_TEST(SpecialImage_Raster, reporter) { |
| SkBitmap bm = create_bm(); |
| |
| sk_sp<SkSpecialImage> fullSImage(SkSpecialImage::MakeFromRaster( |
| nullptr, |
| SkIRect::MakeWH(kFullSize, kFullSize), |
| bm)); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| { |
| sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromRaster(nullptr, subset, bm)); |
| test_image(subSImg1, reporter, true, false, kPad, kFullSize); |
| } |
| |
| { |
| sk_sp<SkSpecialImage> subSImg2(fullSImage->makeSubset(subset)); |
| test_image(subSImg2, reporter, true, false, 0, kSmallerSize); |
| } |
| } |
| |
| DEF_TEST(SpecialImage_Image, reporter) { |
| SkBitmap bm = create_bm(); |
| |
| sk_sp<SkImage> fullImage(SkImage::MakeFromBitmap(bm)); |
| |
| sk_sp<SkSpecialImage> fullSImage(SkSpecialImage::MakeFromImage( |
| nullptr, |
| SkIRect::MakeWH(kFullSize, kFullSize), |
| fullImage)); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| { |
| sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromImage(nullptr, subset, |
| fullImage)); |
| test_image(subSImg1, reporter, true, false, kPad, kFullSize); |
| } |
| |
| { |
| sk_sp<SkSpecialImage> subSImg2(fullSImage->makeSubset(subset)); |
| test_image(subSImg2, reporter, true, false, 0, kSmallerSize); |
| } |
| } |
| |
| DEF_TEST(SpecialImage_Pixmap, reporter) { |
| SkAutoPixmapStorage pixmap; |
| |
| const SkImageInfo info = SkImageInfo::MakeN32(kFullSize, kFullSize, kOpaque_SkAlphaType); |
| pixmap.alloc(info); |
| pixmap.erase(SK_ColorGREEN); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| pixmap.erase(SK_ColorRED, subset); |
| |
| { |
| sk_sp<SkSpecialImage> img(SkSpecialImage::MakeFromPixmap(nullptr, subset, pixmap, |
| nullptr, nullptr)); |
| test_image(img, reporter, true, false, kPad, kFullSize); |
| } |
| } |
| |
| |
| #if SK_SUPPORT_GPU |
| |
| static void test_texture_backed(skiatest::Reporter* reporter, |
| const sk_sp<SkSpecialImage>& orig, |
| const sk_sp<SkSpecialImage>& gpuBacked) { |
| REPORTER_ASSERT(reporter, gpuBacked); |
| REPORTER_ASSERT(reporter, gpuBacked->peekTexture()); |
| REPORTER_ASSERT(reporter, gpuBacked->uniqueID() == orig->uniqueID()); |
| REPORTER_ASSERT(reporter, gpuBacked->subset().width() == orig->subset().width() && |
| gpuBacked->subset().height() == orig->subset().height()); |
| } |
| |
| // Test out the SkSpecialImage::makeTextureImage entry point |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo) { |
| GrContext* context = ctxInfo.fGrContext; |
| SkBitmap bm = create_bm(); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| { |
| // raster |
| sk_sp<SkSpecialImage> rasterImage(SkSpecialImage::MakeFromRaster( |
| nullptr, |
| SkIRect::MakeWH(kFullSize, |
| kFullSize), |
| bm)); |
| |
| { |
| sk_sp<SkSpecialImage> fromRaster(rasterImage->makeTextureImage(nullptr, context)); |
| test_texture_backed(reporter, rasterImage, fromRaster); |
| } |
| |
| { |
| sk_sp<SkSpecialImage> subRasterImage(rasterImage->makeSubset(subset)); |
| |
| sk_sp<SkSpecialImage> fromSubRaster(subRasterImage->makeTextureImage(nullptr, context)); |
| test_texture_backed(reporter, subRasterImage, fromSubRaster); |
| } |
| } |
| |
| { |
| // gpu |
| GrSurfaceDesc desc; |
| desc.fConfig = kSkia8888_GrPixelConfig; |
| desc.fFlags = kNone_GrSurfaceFlags; |
| desc.fWidth = kFullSize; |
| desc.fHeight = kFullSize; |
| |
| SkAutoTUnref<GrTexture> texture(context->textureProvider()->createTexture(desc, |
| SkBudgeted::kNo, |
| bm.getPixels(), |
| 0)); |
| if (!texture) { |
| return; |
| } |
| |
| sk_sp<SkSpecialImage> gpuImage(SkSpecialImage::MakeFromGpu( |
| nullptr, |
| SkIRect::MakeWH(kFullSize, |
| kFullSize), |
| kNeedNewImageUniqueID_SpecialImage, |
| texture)); |
| |
| { |
| sk_sp<SkSpecialImage> fromGPU(gpuImage->makeTextureImage(nullptr, context)); |
| test_texture_backed(reporter, gpuImage, fromGPU); |
| } |
| |
| { |
| sk_sp<SkSpecialImage> subGPUImage(gpuImage->makeSubset(subset)); |
| |
| sk_sp<SkSpecialImage> fromSubGPU(subGPUImage->makeTextureImage(nullptr, context)); |
| test_texture_backed(reporter, subGPUImage, fromSubGPU); |
| } |
| } |
| } |
| |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu, reporter, ctxInfo) { |
| GrContext* context = ctxInfo.fGrContext; |
| SkBitmap bm = create_bm(); |
| |
| GrSurfaceDesc desc; |
| desc.fConfig = kSkia8888_GrPixelConfig; |
| desc.fFlags = kNone_GrSurfaceFlags; |
| desc.fWidth = kFullSize; |
| desc.fHeight = kFullSize; |
| |
| SkAutoTUnref<GrTexture> texture(context->textureProvider()->createTexture(desc, |
| SkBudgeted::kNo, |
| bm.getPixels(), 0)); |
| if (!texture) { |
| return; |
| } |
| |
| sk_sp<SkSpecialImage> fullSImg(SkSpecialImage::MakeFromGpu( |
| nullptr, |
| SkIRect::MakeWH(kFullSize, kFullSize), |
| kNeedNewImageUniqueID_SpecialImage, |
| texture)); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| { |
| sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromGpu( |
| nullptr, subset, |
| kNeedNewImageUniqueID_SpecialImage, |
| texture)); |
| test_image(subSImg1, reporter, false, true, kPad, kFullSize); |
| } |
| |
| { |
| sk_sp<SkSpecialImage> subSImg2(fullSImg->makeSubset(subset)); |
| test_image(subSImg2, reporter, false, true, kPad, kFullSize); |
| } |
| } |
| |
| #endif |