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328 lines
13 KiB
328 lines
13 KiB
/*
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* Copyright 2016 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 "SkAutoPixmapStorage.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkImage.h"
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#include "SkPixmap.h"
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#include "SkSpecialImage.h"
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#include "SkSpecialSurface.h"
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#include "SkSurface.h"
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#include "Test.h"
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#include "GrBackendSurface.h"
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#include "GrContext.h"
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#include "GrContextPriv.h"
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#include "GrProxyProvider.h"
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#include "GrSurfaceProxy.h"
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#include "GrTextureProxy.h"
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#include "SkGr.h"
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// This test creates backing resources exactly sized to [kFullSize x kFullSize].
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// It then wraps them in an SkSpecialImage with only the center (red) region being active.
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// It then draws the SkSpecialImage to a full sized (all blue) canvas and checks that none
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// of the inactive (green) region leaked out.
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static const int kSmallerSize = 10;
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static const int kPad = 3;
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static const int kFullSize = kSmallerSize + 2 * kPad;
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// Create a bitmap with red in the center and green around it
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static SkBitmap create_bm() {
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SkBitmap bm;
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bm.allocN32Pixels(kFullSize, kFullSize, true);
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SkCanvas temp(bm);
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temp.clear(SK_ColorGREEN);
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SkPaint p;
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p.setColor(SK_ColorRED);
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p.setAntiAlias(false);
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temp.drawRect(SkRect::MakeXYWH(SkIntToScalar(kPad), SkIntToScalar(kPad),
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SkIntToScalar(kSmallerSize), SkIntToScalar(kSmallerSize)),
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p);
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return bm;
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}
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// Basic test of the SkSpecialImage public API (e.g., peekTexture, peekPixels & draw)
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static void test_image(const sk_sp<SkSpecialImage>& img, skiatest::Reporter* reporter,
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GrContext* context, bool isGPUBacked,
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int offset, int size) {
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const SkIRect subset = img->subset();
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REPORTER_ASSERT(reporter, offset == subset.left());
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REPORTER_ASSERT(reporter, offset == subset.top());
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REPORTER_ASSERT(reporter, kSmallerSize == subset.width());
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REPORTER_ASSERT(reporter, kSmallerSize == subset.height());
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//--------------
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// Test that isTextureBacked reports the correct backing type
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REPORTER_ASSERT(reporter, isGPUBacked == img->isTextureBacked());
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//--------------
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// Test asTextureProxyRef - as long as there is a context this should succeed
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if (context) {
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sk_sp<GrTextureProxy> proxy(img->asTextureProxyRef(context));
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REPORTER_ASSERT(reporter, proxy);
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}
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//--------------
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// Test getROPixels - this should always succeed regardless of backing store
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SkBitmap bitmap;
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REPORTER_ASSERT(reporter, img->getROPixels(&bitmap));
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if (context) {
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REPORTER_ASSERT(reporter, kSmallerSize == bitmap.width());
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REPORTER_ASSERT(reporter, kSmallerSize == bitmap.height());
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} else {
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REPORTER_ASSERT(reporter, size == bitmap.width());
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REPORTER_ASSERT(reporter, size == bitmap.height());
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}
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//--------------
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// Test that draw restricts itself to the subset
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SkImageFilter::OutputProperties outProps(kN32_SkColorType, img->getColorSpace());
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sk_sp<SkSpecialSurface> surf(img->makeSurface(outProps, SkISize::Make(kFullSize, kFullSize),
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kPremul_SkAlphaType));
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SkCanvas* canvas = surf->getCanvas();
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canvas->clear(SK_ColorBLUE);
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img->draw(canvas, SkIntToScalar(kPad), SkIntToScalar(kPad), nullptr);
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SkBitmap bm;
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bm.allocN32Pixels(kFullSize, kFullSize, false);
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bool result = canvas->readPixels(bm.info(), bm.getPixels(), bm.rowBytes(), 0, 0);
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SkASSERT_RELEASE(result);
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// Only the center (red) portion should've been drawn into the canvas
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REPORTER_ASSERT(reporter, SK_ColorBLUE == bm.getColor(kPad-1, kPad-1));
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REPORTER_ASSERT(reporter, SK_ColorRED == bm.getColor(kPad, kPad));
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REPORTER_ASSERT(reporter, SK_ColorRED == bm.getColor(kSmallerSize+kPad-1,
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kSmallerSize+kPad-1));
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REPORTER_ASSERT(reporter, SK_ColorBLUE == bm.getColor(kSmallerSize+kPad,
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kSmallerSize+kPad));
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//--------------
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// Test that asImage & makeTightSurface return appropriately sized objects
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// of the correct backing type
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SkIRect newSubset = SkIRect::MakeWH(subset.width(), subset.height());
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{
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sk_sp<SkImage> tightImg(img->asImage(&newSubset));
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REPORTER_ASSERT(reporter, tightImg->width() == subset.width());
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REPORTER_ASSERT(reporter, tightImg->height() == subset.height());
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REPORTER_ASSERT(reporter, isGPUBacked == tightImg->isTextureBacked());
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SkPixmap tmpPixmap;
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REPORTER_ASSERT(reporter, isGPUBacked != !!tightImg->peekPixels(&tmpPixmap));
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}
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{
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SkImageFilter::OutputProperties outProps(kN32_SkColorType, img->getColorSpace());
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sk_sp<SkSurface> tightSurf(img->makeTightSurface(outProps, subset.size()));
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REPORTER_ASSERT(reporter, tightSurf->width() == subset.width());
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REPORTER_ASSERT(reporter, tightSurf->height() == subset.height());
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GrBackendTexture backendTex = tightSurf->getBackendTexture(
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SkSurface::kDiscardWrite_BackendHandleAccess);
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REPORTER_ASSERT(reporter, isGPUBacked == backendTex.isValid());
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SkPixmap tmpPixmap;
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REPORTER_ASSERT(reporter, isGPUBacked != !!tightSurf->peekPixels(&tmpPixmap));
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}
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}
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DEF_TEST(SpecialImage_Raster, reporter) {
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SkBitmap bm = create_bm();
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sk_sp<SkSpecialImage> fullSImage(SkSpecialImage::MakeFromRaster(
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SkIRect::MakeWH(kFullSize, kFullSize),
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bm));
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const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
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{
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sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromRaster(subset, bm));
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test_image(subSImg1, reporter, nullptr, false, kPad, kFullSize);
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}
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{
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sk_sp<SkSpecialImage> subSImg2(fullSImage->makeSubset(subset));
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test_image(subSImg2, reporter, nullptr, false, 0, kSmallerSize);
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}
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}
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static void test_specialimage_image(skiatest::Reporter* reporter) {
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SkBitmap bm = create_bm();
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sk_sp<SkImage> fullImage(SkImage::MakeFromBitmap(bm));
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sk_sp<SkSpecialImage> fullSImage(SkSpecialImage::MakeFromImage(
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nullptr,
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SkIRect::MakeWH(kFullSize, kFullSize),
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fullImage));
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const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
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{
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sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeFromImage(nullptr, subset, fullImage));
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test_image(subSImg1, reporter, nullptr, false, kPad, kFullSize);
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}
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{
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sk_sp<SkSpecialImage> subSImg2(fullSImage->makeSubset(subset));
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test_image(subSImg2, reporter, nullptr, false, 0, kSmallerSize);
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}
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}
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DEF_TEST(SpecialImage_Image_Legacy, reporter) {
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test_specialimage_image(reporter);
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}
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static void test_texture_backed(skiatest::Reporter* reporter,
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const sk_sp<SkSpecialImage>& orig,
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const sk_sp<SkSpecialImage>& gpuBacked) {
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REPORTER_ASSERT(reporter, gpuBacked);
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REPORTER_ASSERT(reporter, gpuBacked->isTextureBacked());
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REPORTER_ASSERT(reporter, gpuBacked->uniqueID() == orig->uniqueID());
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REPORTER_ASSERT(reporter, gpuBacked->subset().width() == orig->subset().width() &&
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gpuBacked->subset().height() == orig->subset().height());
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REPORTER_ASSERT(reporter, gpuBacked->getColorSpace() == orig->getColorSpace());
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}
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// Test out the SkSpecialImage::makeTextureImage entry point
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
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SkBitmap bm = create_bm();
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const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
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{
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// raster
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sk_sp<SkSpecialImage> rasterImage(SkSpecialImage::MakeFromRaster(
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SkIRect::MakeWH(kFullSize,
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kFullSize),
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bm));
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{
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sk_sp<SkSpecialImage> fromRaster(rasterImage->makeTextureImage(context));
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test_texture_backed(reporter, rasterImage, fromRaster);
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}
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{
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sk_sp<SkSpecialImage> subRasterImage(rasterImage->makeSubset(subset));
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sk_sp<SkSpecialImage> fromSubRaster(subRasterImage->makeTextureImage(context));
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test_texture_backed(reporter, subRasterImage, fromSubRaster);
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}
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}
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{
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// gpu
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sk_sp<SkImage> rasterImage = SkImage::MakeFromBitmap(bm);
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sk_sp<GrTextureProxy> proxy =
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proxyProvider->createTextureProxy(rasterImage, kNone_GrSurfaceFlags, 1,
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SkBudgeted::kNo, SkBackingFit::kExact);
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if (!proxy) {
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return;
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}
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sk_sp<SkSpecialImage> gpuImage(SkSpecialImage::MakeDeferredFromGpu(
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context,
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SkIRect::MakeWH(kFullSize, kFullSize),
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kNeedNewImageUniqueID_SpecialImage,
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std::move(proxy), nullptr));
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{
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sk_sp<SkSpecialImage> fromGPU(gpuImage->makeTextureImage(context));
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test_texture_backed(reporter, gpuImage, fromGPU);
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}
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{
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sk_sp<SkSpecialImage> subGPUImage(gpuImage->makeSubset(subset));
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sk_sp<SkSpecialImage> fromSubGPU(subGPUImage->makeTextureImage(context));
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test_texture_backed(reporter, subGPUImage, fromSubGPU);
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}
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}
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}
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider();
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SkBitmap bm = create_bm();
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sk_sp<SkImage> rasterImage = SkImage::MakeFromBitmap(bm);
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sk_sp<GrTextureProxy> proxy =
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proxyProvider->createTextureProxy(rasterImage, kNone_GrSurfaceFlags, 1,
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SkBudgeted::kNo, SkBackingFit::kExact);
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if (!proxy) {
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return;
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}
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sk_sp<SkSpecialImage> fullSImg(SkSpecialImage::MakeDeferredFromGpu(
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context,
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SkIRect::MakeWH(kFullSize, kFullSize),
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kNeedNewImageUniqueID_SpecialImage,
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proxy, nullptr));
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const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);
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{
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sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeDeferredFromGpu(
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context, subset,
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kNeedNewImageUniqueID_SpecialImage,
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std::move(proxy), nullptr));
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test_image(subSImg1, reporter, context, true, kPad, kFullSize);
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}
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{
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sk_sp<SkSpecialImage> subSImg2(fullSImg->makeSubset(subset));
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test_image(subSImg2, reporter, context, true, kPad, kFullSize);
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}
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}
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DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_ReadbackAndCachingSubsets_Gpu, reporter, ctxInfo) {
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GrContext* context = ctxInfo.grContext();
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SkImageInfo ii = SkImageInfo::Make(50, 50, kN32_SkColorType, kPremul_SkAlphaType);
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auto surface = SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, ii);
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// Fill out our surface:
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// Green | Blue
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// Red | Green
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{
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surface->getCanvas()->clear(SK_ColorGREEN);
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SkPaint p;
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p.setColor(SK_ColorRED);
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surface->getCanvas()->drawRect(SkRect::MakeXYWH(0, 25, 25, 25), p);
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p.setColor(SK_ColorBLUE);
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surface->getCanvas()->drawRect(SkRect::MakeXYWH(25, 0, 25, 25), p);
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}
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auto image = surface->makeImageSnapshot();
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auto redImg = SkSpecialImage::MakeFromImage(context, SkIRect::MakeXYWH(10, 30, 10, 10), image);
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auto blueImg = SkSpecialImage::MakeFromImage(context, SkIRect::MakeXYWH(30, 10, 10, 10), image);
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// This isn't necessary, but if it ever becomes false, then the cache collision bug that we're
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// checking below is irrelevant.
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REPORTER_ASSERT(reporter, redImg->uniqueID() == blueImg->uniqueID());
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SkBitmap redBM, blueBM;
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SkAssertResult(redImg->getROPixels(&redBM));
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SkAssertResult(blueImg->getROPixels(&blueBM));
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// Each image should read from the correct sub-rect. Past bugs (skbug.com/8448) have included:
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// - Always reading back from (0, 0), producing green
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// - Incorrectly hitting the cache on the 2nd read-back, causing blueBM to be red
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REPORTER_ASSERT(reporter, redBM.getColor(0, 0) == SK_ColorRED,
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"0x%08x != 0x%08x", redBM.getColor(0, 0), SK_ColorRED);
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REPORTER_ASSERT(reporter, blueBM.getColor(0, 0) == SK_ColorBLUE,
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"0x%08x != 0x%08x", blueBM.getColor(0, 0), SK_ColorBLUE);
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}
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