DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_Gpu, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); SkBitmap bm = create_bm(); const GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(bm.info(), *context->caps()); sk_sp<GrTextureProxy> proxy(GrSurfaceProxy::MakeDeferred(context->resourceProvider(), desc, SkBudgeted::kNo, bm.getPixels(), bm.rowBytes())); if (!proxy) { return; } sk_sp<SkSpecialImage> fullSImg(SkSpecialImage::MakeDeferredFromGpu( context, SkIRect::MakeWH(kFullSize, kFullSize), kNeedNewImageUniqueID_SpecialImage, proxy, nullptr)); const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); { sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeDeferredFromGpu( context, subset, kNeedNewImageUniqueID_SpecialImage, std::move(proxy), nullptr)); test_image(subSImg1, reporter, context, true, kPad, kFullSize); } { sk_sp<SkSpecialImage> subSImg2(fullSImg->makeSubset(subset)); test_image(subSImg2, reporter, context, true, kPad, kFullSize); } }
// Test out the SkSpecialImage::makeTextureImage entry point DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); SkBitmap bm = create_bm(); const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); { // raster sk_sp<SkSpecialImage> rasterImage(SkSpecialImage::MakeFromRaster( SkIRect::MakeWH(kFullSize, kFullSize), bm)); { sk_sp<SkSpecialImage> fromRaster(rasterImage->makeTextureImage(context)); test_texture_backed(reporter, rasterImage, fromRaster); } { sk_sp<SkSpecialImage> subRasterImage(rasterImage->makeSubset(subset)); sk_sp<SkSpecialImage> fromSubRaster(subRasterImage->makeTextureImage(context)); test_texture_backed(reporter, subRasterImage, fromSubRaster); } } { // gpu const GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(bm.info(), *context->caps()); sk_sp<GrTextureProxy> proxy(GrSurfaceProxy::MakeDeferred(context->resourceProvider(), desc, SkBudgeted::kNo, bm.getPixels(), bm.rowBytes())); if (!proxy) { return; } sk_sp<SkSpecialImage> gpuImage(SkSpecialImage::MakeDeferredFromGpu( context, SkIRect::MakeWH(kFullSize, kFullSize), kNeedNewImageUniqueID_SpecialImage, std::move(proxy), nullptr)); { sk_sp<SkSpecialImage> fromGPU(gpuImage->makeTextureImage(context)); test_texture_backed(reporter, gpuImage, fromGPU); } { sk_sp<SkSpecialImage> subGPUImage(gpuImage->makeSubset(subset)); sk_sp<SkSpecialImage> fromSubGPU(subGPUImage->makeTextureImage(context)); test_texture_backed(reporter, subGPUImage, fromSubGPU); } } }
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_DeferredGpu, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); SkBitmap bm = create_bm(); GrSurfaceDesc desc; desc.fConfig = kSkia8888_GrPixelConfig; desc.fFlags = kNone_GrSurfaceFlags; desc.fWidth = kFullSize; desc.fHeight = kFullSize; sk_sp<GrTextureProxy> proxy(GrSurfaceProxy::MakeDeferred(context->resourceProvider(), desc, SkBudgeted::kNo, bm.getPixels(), 0)); if (!proxy) { return; } sk_sp<SkSpecialImage> fullSImg(SkSpecialImage::MakeDeferredFromGpu( context, SkIRect::MakeWH(kFullSize, kFullSize), kNeedNewImageUniqueID_SpecialImage, proxy, nullptr)); const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize); { sk_sp<SkSpecialImage> subSImg1(SkSpecialImage::MakeDeferredFromGpu( context, subset, kNeedNewImageUniqueID_SpecialImage, std::move(proxy), nullptr)); test_image(subSImg1, reporter, context, true, kPad, kFullSize); } { sk_sp<SkSpecialImage> subSImg2(fullSImg->makeSubset(subset)); test_image(subSImg2, reporter, context, true, kPad, kFullSize); } }
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadWriteAlpha, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); unsigned char alphaData[X_SIZE * Y_SIZE]; static const int kClearValue = 0x2; bool match; static const size_t kRowBytes[] = {0, X_SIZE, X_SIZE + 1, 2 * X_SIZE - 1}; { GrSurfaceDesc desc; desc.fFlags = kNone_GrSurfaceFlags; desc.fConfig = kAlpha_8_GrPixelConfig; // it is a single channel texture desc.fWidth = X_SIZE; desc.fHeight = Y_SIZE; // We are initializing the texture with zeros here memset(alphaData, 0, X_SIZE * Y_SIZE); sk_sp<GrTextureProxy> proxy(GrSurfaceProxy::MakeDeferred(context->resourceProvider(), desc, SkBudgeted::kNo, alphaData, 0)); if (!proxy) { ERRORF(reporter, "Could not create alpha texture."); return; } sk_sp<GrSurfaceContext> sContext(context->contextPriv().makeWrappedSurfaceContext( std::move(proxy), nullptr)); const SkImageInfo ii = SkImageInfo::MakeA8(X_SIZE, Y_SIZE); sk_sp<SkSurface> surf(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, ii)); // create a distinctive texture for (int y = 0; y < Y_SIZE; ++y) { for (int x = 0; x < X_SIZE; ++x) { alphaData[y * X_SIZE + x] = y*X_SIZE+x; } } for (auto rowBytes : kRowBytes) { // upload the texture (do per-rowbytes iteration because we may overwrite below). bool result = sContext->writePixels(ii, alphaData, 0, 0, 0); REPORTER_ASSERT_MESSAGE(reporter, result, "Initial A8 writePixels failed"); size_t nonZeroRowBytes = rowBytes ? rowBytes : X_SIZE; std::unique_ptr<uint8_t[]> readback(new uint8_t[nonZeroRowBytes * Y_SIZE]); // clear readback to something non-zero so we can detect readback failures memset(readback.get(), kClearValue, nonZeroRowBytes * Y_SIZE); // read the texture back result = sContext->readPixels(ii, readback.get(), rowBytes, 0, 0); REPORTER_ASSERT_MESSAGE(reporter, result, "Initial A8 readPixels failed"); // make sure the original & read back versions match SkString msg; msg.printf("rb:%d A8", SkToU32(rowBytes)); validate_alpha_data(reporter, X_SIZE, Y_SIZE, readback.get(), nonZeroRowBytes, alphaData, msg); // Now try writing to a single channel surface (if we could create one). if (surf) { SkCanvas* canvas = surf->getCanvas(); SkPaint paint; const SkRect rect = SkRect::MakeLTRB(-10, -10, X_SIZE + 10, Y_SIZE + 10); paint.setColor(SK_ColorWHITE); canvas->drawRect(rect, paint); memset(readback.get(), kClearValue, nonZeroRowBytes * Y_SIZE); result = surf->readPixels(ii, readback.get(), nonZeroRowBytes, 0, 0); REPORTER_ASSERT_MESSAGE(reporter, result, "A8 readPixels after clear failed"); match = true; for (int y = 0; y < Y_SIZE && match; ++y) { for (int x = 0; x < X_SIZE && match; ++x) { uint8_t rbValue = readback.get()[y * nonZeroRowBytes + x]; if (0xFF != rbValue) { ERRORF(reporter, "Failed alpha readback after clear. Expected: 0xFF, Got: 0x%02x" " at (%d,%d), rb:%d", rbValue, x, y, SkToU32(rowBytes)); match = false; } } } } } } static const GrPixelConfig kRGBAConfigs[] { kRGBA_8888_GrPixelConfig, kBGRA_8888_GrPixelConfig, kSRGBA_8888_GrPixelConfig }; for (int y = 0; y < Y_SIZE; ++y) { for (int x = 0; x < X_SIZE; ++x) { alphaData[y * X_SIZE + x] = y*X_SIZE+x; } } const SkImageInfo dstInfo = SkImageInfo::Make(X_SIZE, Y_SIZE, kAlpha_8_SkColorType, kPremul_SkAlphaType); // Attempt to read back just alpha from a RGBA/BGRA texture. Once with a texture-only src and // once with a render target. for (auto config : kRGBAConfigs) { for (int rt = 0; rt < 2; ++rt) { GrSurfaceDesc desc; desc.fFlags = rt ? kRenderTarget_GrSurfaceFlag : kNone_GrSurfaceFlags; desc.fConfig = config; desc.fWidth = X_SIZE; desc.fHeight = Y_SIZE; uint32_t rgbaData[X_SIZE * Y_SIZE]; // Make the alpha channel of the rgba texture come from alphaData. for (int y = 0; y < Y_SIZE; ++y) { for (int x = 0; x < X_SIZE; ++x) { rgbaData[y * X_SIZE + x] = GrColorPackRGBA(6, 7, 8, alphaData[y * X_SIZE + x]); } } sk_sp<GrTextureProxy> proxy = GrSurfaceProxy::MakeDeferred(context->resourceProvider(), desc, SkBudgeted::kNo, rgbaData, 0); if (!proxy) { // We always expect to be able to create a RGBA texture if (!rt && kRGBA_8888_GrPixelConfig == desc.fConfig) { ERRORF(reporter, "Failed to create RGBA texture."); } continue; } sk_sp<GrSurfaceContext> sContext = context->contextPriv().makeWrappedSurfaceContext( std::move(proxy), nullptr); for (auto rowBytes : kRowBytes) { size_t nonZeroRowBytes = rowBytes ? rowBytes : X_SIZE; std::unique_ptr<uint8_t[]> readback(new uint8_t[nonZeroRowBytes * Y_SIZE]); // Clear so we don't accidentally see values from previous iteration. memset(readback.get(), kClearValue, nonZeroRowBytes * Y_SIZE); // read the texture back bool result = sContext->readPixels(dstInfo, readback.get(), rowBytes, 0, 0); REPORTER_ASSERT_MESSAGE(reporter, result, "8888 readPixels failed"); // make sure the original & read back versions match SkString msg; msg.printf("rt:%d, rb:%d 8888", rt, SkToU32(rowBytes)); validate_alpha_data(reporter, X_SIZE, Y_SIZE, readback.get(), nonZeroRowBytes, alphaData, msg); } } } }