| /* |
| * 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 "include/core/SkBitmap.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColorSpace.h" |
| #include "include/core/SkImage.h" |
| #include "include/core/SkPixmap.h" |
| #include "include/core/SkSurface.h" |
| #include "include/gpu/GrBackendSurface.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "src/core/SkAutoPixmapStorage.h" |
| #include "src/core/SkSpecialImage.h" |
| #include "src/core/SkSpecialSurface.h" |
| #include "src/gpu/ganesh/GrDirectContextPriv.h" |
| #include "src/gpu/ganesh/GrProxyProvider.h" |
| #include "src/gpu/ganesh/GrSurfaceProxy.h" |
| #include "src/gpu/ganesh/GrTextureProxy.h" |
| #include "src/gpu/ganesh/SkGr.h" |
| #include "tests/Test.h" |
| |
| // 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() { |
| SkImageInfo ii = SkImageInfo::Make(kFullSize, kFullSize, kRGBA_8888_SkColorType, |
| kPremul_SkAlphaType); |
| |
| SkBitmap bm; |
| bm.allocPixels(ii); |
| |
| 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); |
| |
| bm.setImmutable(); |
| 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, |
| GrRecordingContext* rContext, bool isGPUBacked) { |
| const SkIRect subset = img->subset(); |
| REPORTER_ASSERT(reporter, kPad == subset.left()); |
| REPORTER_ASSERT(reporter, kPad == subset.top()); |
| REPORTER_ASSERT(reporter, kSmallerSize == subset.width()); |
| REPORTER_ASSERT(reporter, kSmallerSize == subset.height()); |
| |
| //-------------- |
| // Test that isTextureBacked reports the correct backing type |
| REPORTER_ASSERT(reporter, isGPUBacked == img->isTextureBacked()); |
| |
| //-------------- |
| // Test view - as long as there is a context this should succeed |
| if (rContext) { |
| GrSurfaceProxyView view = img->view(rContext); |
| REPORTER_ASSERT(reporter, view.asTextureProxy()); |
| } |
| |
| //-------------- |
| // Test getROPixels - this only works for raster-backed special images |
| if (!img->isTextureBacked()) { |
| SkBitmap bitmap; |
| REPORTER_ASSERT(reporter, img->getROPixels(&bitmap)); |
| REPORTER_ASSERT(reporter, kSmallerSize == bitmap.width()); |
| REPORTER_ASSERT(reporter, kSmallerSize == bitmap.height()); |
| } |
| |
| //-------------- |
| // Test that draw restricts itself to the subset |
| sk_sp<SkSpecialSurface> surf(img->makeSurface(kN32_SkColorType, img->getColorSpace(), |
| SkISize::Make(kFullSize, kFullSize), |
| kPremul_SkAlphaType, SkSurfaceProps())); |
| |
| SkCanvas* canvas = surf->getCanvas(); |
| |
| canvas->clear(SK_ColorBLUE); |
| img->draw(canvas, SkIntToScalar(kPad), SkIntToScalar(kPad)); |
| |
| SkBitmap bm; |
| bm.allocN32Pixels(kFullSize, kFullSize, false); |
| |
| 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 asImage & makeTightSurface return appropriately sized objects |
| // of the correct backing type |
| SkIRect newSubset = SkIRect::MakeWH(subset.width(), subset.height()); |
| { |
| sk_sp<SkImage> tightImg(img->asImage(&newSubset)); |
| |
| REPORTER_ASSERT(reporter, tightImg->width() == subset.width()); |
| REPORTER_ASSERT(reporter, tightImg->height() == subset.height()); |
| REPORTER_ASSERT(reporter, isGPUBacked == tightImg->isTextureBacked()); |
| SkPixmap tmpPixmap; |
| REPORTER_ASSERT(reporter, isGPUBacked != !!tightImg->peekPixels(&tmpPixmap)); |
| } |
| { |
| sk_sp<SkSurface> tightSurf(img->makeTightSurface(kN32_SkColorType, img->getColorSpace(), |
| subset.size())); |
| |
| REPORTER_ASSERT(reporter, tightSurf->width() == subset.width()); |
| REPORTER_ASSERT(reporter, tightSurf->height() == subset.height()); |
| GrBackendTexture backendTex = tightSurf->getBackendTexture( |
| SkSurface::kDiscardWrite_BackendHandleAccess); |
| REPORTER_ASSERT(reporter, isGPUBacked == backendTex.isValid()); |
| SkPixmap tmpPixmap; |
| REPORTER_ASSERT(reporter, isGPUBacked != !!tightSurf->peekPixels(&tmpPixmap)); |
| } |
| } |
| |
| DEF_TEST(SpecialImage_Raster, reporter) { |
| SkBitmap bm = create_bm(); |
| |
| sk_sp<SkSpecialImage> fullSImage(SkSpecialImage::MakeFromRaster( |
| SkIRect::MakeWH(kFullSize, kFullSize), |
| bm, SkSurfaceProps())); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| { |
| sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromRaster(subset, bm, |
| SkSurfaceProps())); |
| test_image(subSImg1, reporter, nullptr, false); |
| } |
| |
| { |
| sk_sp<SkSpecialImage> subSImg2(fullSImage->makeSubset(subset)); |
| test_image(subSImg2, reporter, nullptr, false); |
| } |
| } |
| |
| static void test_specialimage_image(skiatest::Reporter* reporter) { |
| SkBitmap bm = create_bm(); |
| |
| sk_sp<SkImage> fullImage(bm.asImage()); |
| |
| sk_sp<SkSpecialImage> fullSImage(SkSpecialImage::MakeFromImage( |
| nullptr, |
| SkIRect::MakeWH(kFullSize, kFullSize), |
| fullImage, |
| SkSurfaceProps())); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| { |
| sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromImage(nullptr, subset, fullImage, |
| SkSurfaceProps())); |
| test_image(subSImg1, reporter, nullptr, false); |
| } |
| |
| { |
| sk_sp<SkSpecialImage> subSImg2(fullSImage->makeSubset(subset)); |
| test_image(subSImg2, reporter, nullptr, false); |
| } |
| } |
| |
| DEF_TEST(SpecialImage_Image_Legacy, reporter) { |
| test_specialimage_image(reporter); |
| } |
| |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu, reporter, ctxInfo) { |
| auto context = ctxInfo.directContext(); |
| SkBitmap bm = create_bm(); |
| auto [view, ct] = GrMakeUncachedBitmapProxyView(context, bm); |
| if (!view) { |
| return; |
| } |
| |
| sk_sp<SkSpecialImage> fullSImg = |
| SkSpecialImage::MakeDeferredFromGpu(context, |
| SkIRect::MakeWH(kFullSize, kFullSize), |
| kNeedNewImageUniqueID_SpecialImage, |
| view, |
| ct, |
| nullptr, |
| SkSurfaceProps()); |
| |
| const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); |
| |
| { |
| sk_sp<SkSpecialImage> subSImg1 = SkSpecialImage::MakeDeferredFromGpu( |
| context, |
| subset, |
| kNeedNewImageUniqueID_SpecialImage, |
| std::move(view), |
| ct, |
| nullptr, |
| SkSurfaceProps()); |
| test_image(subSImg1, reporter, context, true); |
| } |
| |
| { |
| sk_sp<SkSpecialImage> subSImg2 = fullSImg->makeSubset(subset); |
| test_image(subSImg2, reporter, context, true); |
| } |
| } |