| /* |
| * Copyright 2021 Google LLC |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "gm/gm.h" |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkString.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "src/core/SkCanvasPriv.h" |
| #include "src/core/SkConvertPixels.h" |
| #include "src/gpu/ganesh/GrDirectContextPriv.h" |
| #include "src/gpu/ganesh/GrPaint.h" |
| #include "src/gpu/ganesh/GrProxyProvider.h" |
| #include "src/gpu/ganesh/GrResourceProvider.h" |
| #include "src/gpu/ganesh/GrTexture.h" |
| #include "src/gpu/ganesh/SkGr.h" |
| #include "src/gpu/ganesh/SurfaceDrawContext.h" |
| #include "src/gpu/ganesh/effects/GrTextureEffect.h" |
| #include "tools/gpu/ProxyUtils.h" |
| |
| static GrSurfaceProxyView create_view(GrDirectContext* dContext, |
| const SkBitmap& src, |
| GrSurfaceOrigin origin) { |
| SkASSERT(src.colorType() == kRGBA_8888_SkColorType); |
| |
| #define USE_LAZY_PROXIES 1 // Toggle this to generate the reference images |
| |
| if (USE_LAZY_PROXIES) { |
| auto format = dContext->priv().caps()->getDefaultBackendFormat(GrColorType::kRGBA_8888, |
| GrRenderable::kNo); |
| if (!format.isValid()) { |
| return {}; |
| } |
| |
| sk_sp<GrTextureProxy> proxy = GrProxyProvider::MakeFullyLazyProxy( |
| [src](GrResourceProvider* rp, |
| const GrSurfaceProxy::LazySurfaceDesc& desc) |
| -> GrSurfaceProxy::LazyCallbackResult { |
| SkASSERT(desc.fMipmapped == GrMipmapped::kNo); |
| GrMipLevel mipLevel = {src.getPixels(), src.rowBytes(), nullptr}; |
| auto colorType = SkColorTypeToGrColorType(src.colorType()); |
| |
| return rp->createTexture(src.dimensions(), |
| desc.fFormat, |
| desc.fTextureType, |
| colorType, |
| desc.fRenderable, |
| desc.fSampleCnt, |
| desc.fBudgeted, |
| desc.fFit, |
| desc.fProtected, |
| mipLevel, |
| desc.fLabel); |
| }, |
| format, GrRenderable::kNo, 1, GrProtected::kNo, *dContext->priv().caps(), |
| GrSurfaceProxy::UseAllocator::kYes); |
| |
| if (!proxy) { |
| return {}; |
| } |
| |
| auto swizzle = dContext->priv().caps()->getReadSwizzle(proxy->backendFormat(), |
| GrColorType::kRGBA_8888); |
| return GrSurfaceProxyView(std::move(proxy), origin, swizzle); |
| } |
| |
| return sk_gpu_test::MakeTextureProxyViewFromData(dContext, |
| GrRenderable::kNo, |
| origin, |
| src.pixmap()); |
| } |
| |
| // Create an over large texture which is initialized to opaque black outside of the content |
| // rect. The inside of the content rect consists of a grey coordinate frame lacking the -Y axis. |
| // The -X and +X axes have a red and green dot at their ends (respectively). Finally, the content |
| // rect has a 1-pixel wide blue border. |
| static SkBitmap create_bitmap(SkIRect contentRect, SkISize fullSize, GrSurfaceOrigin origin) { |
| |
| const int kContentSize = contentRect.width(); |
| SkBitmap contentBM; |
| |
| { |
| SkImageInfo contentInfo = SkImageInfo::Make(kContentSize, kContentSize, |
| kRGBA_8888_SkColorType, kOpaque_SkAlphaType); |
| contentBM.allocPixels(contentInfo); |
| |
| contentBM.eraseColor(SK_ColorWHITE); |
| |
| const int halfM1 = kContentSize/2 - 1; |
| |
| // The coordinate frame |
| contentBM.eraseArea(SkIRect::MakeXYWH(halfM1, 2,2, halfM1), SK_ColorGRAY); |
| contentBM.eraseArea(SkIRect::MakeXYWH(2, halfM1, kContentSize-4, 2), SK_ColorGRAY); |
| |
| contentBM.eraseArea(SkIRect::MakeXYWH(2, halfM1, 2, 2), SK_ColorRED); |
| contentBM.eraseArea(SkIRect::MakeXYWH(kContentSize-4, halfM1, 2, 2), SK_ColorGREEN); |
| |
| // The 1-pixel wide rim around the content rect |
| contentBM.eraseArea(SkIRect::MakeXYWH(0, 0, kContentSize, 1), SK_ColorBLUE); |
| contentBM.eraseArea(SkIRect::MakeXYWH(0, 0, 1, kContentSize), SK_ColorBLUE); |
| contentBM.eraseArea(SkIRect::MakeXYWH(kContentSize-1, 0, 1, kContentSize), SK_ColorBLUE); |
| contentBM.eraseArea(SkIRect::MakeXYWH(0, kContentSize-1, kContentSize, 1), SK_ColorBLUE); |
| } |
| |
| SkBitmap bigBM; |
| |
| { |
| const int kLeft = contentRect.fLeft; |
| const int kTop = contentRect.fTop; |
| |
| SkImageInfo bigInfo = SkImageInfo::Make(fullSize.fWidth, fullSize.fHeight, |
| kRGBA_8888_SkColorType, kOpaque_SkAlphaType); |
| |
| bigBM.allocPixels(bigInfo); |
| |
| bigBM.eraseColor(SK_ColorBLACK); |
| |
| const char* src = static_cast<const char*>(contentBM.getPixels()); |
| size_t srcRB = contentBM.rowBytes(); |
| size_t dstRB = bigBM.rowBytes(); |
| |
| if (USE_LAZY_PROXIES && origin == kBottomLeft_GrSurfaceOrigin) { |
| char* dst = static_cast<char*>(bigBM.getAddr(kLeft, fullSize.height() - kTop - 1)); |
| for (int y = 0; y < contentBM.height(); ++y) { |
| memcpy(dst, src, srcRB); |
| src = src + srcRB; |
| dst = dst - dstRB; |
| } |
| } else { |
| char* dst = static_cast<char*>(bigBM.getAddr(kLeft, kTop)); |
| SkRectMemcpy(dst, dstRB, src, srcRB, |
| contentBM.rowBytes(), contentBM.height()); |
| } |
| |
| bigBM.setAlphaType(kOpaque_SkAlphaType); |
| bigBM.setImmutable(); |
| } |
| |
| return bigBM; |
| } |
| |
| static void draw_texture(const GrCaps* caps, |
| skgpu::v1::SurfaceDrawContext* sdc, |
| const GrSurfaceProxyView& src, |
| const SkIRect& srcRect, |
| const SkIRect& drawRect, |
| const SkMatrix& mat, |
| GrSamplerState::WrapMode xTileMode, |
| GrSamplerState::WrapMode yTileMode) { |
| GrSamplerState sampler(xTileMode, yTileMode, SkFilterMode::kNearest); |
| |
| auto fp = GrTextureEffect::MakeSubset(src, kOpaque_SkAlphaType, mat, |
| sampler, SkRect::Make(srcRect), *caps); |
| GrPaint paint; |
| paint.setColorFragmentProcessor(std::move(fp)); |
| |
| sdc->drawRect(nullptr, std::move(paint), GrAA::kNo, SkMatrix::I(), SkRect::Make(drawRect)); |
| } |
| |
| namespace skiagm { |
| |
| // This GM exercises all the different tile modes for a texture that cannot be normalized |
| // early (i.e., rectangle or fully-lazy). |
| // TODO: should we also test w/ mipmapping? |
| class LazyTilingGM : public GpuGM { |
| public: |
| LazyTilingGM(GrSurfaceOrigin origin) |
| : fOrigin(origin) |
| , fContentRect(SkIRect::MakeXYWH(kLeftContentOffset, kTopContentOffset, |
| kContentSize, kContentSize)) { |
| this->setBGColor(0xFFCCCCCC); |
| } |
| |
| protected: |
| |
| SkString onShortName() override { |
| return SkStringPrintf("lazytiling_%s", fOrigin == kTopLeft_GrSurfaceOrigin ? "tl" : "bl"); |
| } |
| |
| SkISize onISize() override { |
| return SkISize::Make(kTotalWidth, kTotalHeight); |
| } |
| |
| DrawResult onGpuSetup(GrDirectContext* dContext, SkString* errorMsg) override { |
| if (!dContext || dContext->abandoned()) { |
| return DrawResult::kSkip; |
| } |
| |
| auto bm = create_bitmap(fContentRect, |
| { kLeftContentOffset + kContentSize + kRightContentPadding, |
| kTopContentOffset + kContentSize + kBottomContentPadding }, |
| fOrigin); |
| |
| fView = create_view(dContext, bm, fOrigin); |
| if (!fView.proxy()) { |
| *errorMsg = "Failed to create proxy"; |
| return DrawResult::kFail; |
| } |
| |
| return DrawResult::kOk; |
| } |
| |
| DrawResult onDraw(GrRecordingContext* rContext, SkCanvas* canvas, SkString* errorMsg) override { |
| auto sdc = SkCanvasPriv::TopDeviceSurfaceDrawContext(canvas); |
| if (!sdc) { |
| *errorMsg = kErrorMsg_DrawSkippedGpuOnly; |
| return DrawResult::kSkip; |
| } |
| |
| int y = kPad; |
| for (auto yMode : { SkTileMode::kClamp, SkTileMode::kRepeat, |
| SkTileMode::kMirror, SkTileMode::kDecal }) { |
| int x = kPad; |
| for (auto xMode : { SkTileMode::kClamp, SkTileMode::kRepeat, |
| SkTileMode::kMirror, SkTileMode::kDecal }) { |
| SkIRect cellRect = SkIRect::MakeXYWH(x, y, 2*kContentSize, 2*kContentSize); |
| SkRect contentRect = SkRect::MakeXYWH(x+kContentSize/2, y+kContentSize/2, |
| kContentSize, kContentSize); |
| |
| SkMatrix texMatrix = SkMatrix::RectToRect(contentRect, SkRect::Make(fContentRect)); |
| |
| draw_texture(rContext->priv().caps(), |
| sdc, |
| fView, |
| fContentRect, |
| cellRect, |
| texMatrix, |
| SkTileModeToWrapMode(xMode), |
| SkTileModeToWrapMode(yMode)); |
| |
| x += 2*kContentSize+kPad; |
| } |
| |
| y += 2*kContentSize+kPad; |
| } |
| |
| return DrawResult::kOk; |
| } |
| |
| private: |
| inline static constexpr int kLeftContentOffset = 8; |
| inline static constexpr int kTopContentOffset = 16; |
| inline static constexpr int kRightContentPadding = 24; |
| inline static constexpr int kBottomContentPadding = 80; |
| |
| inline static constexpr int kPad = 4; // on-screen padding between cells |
| |
| inline static constexpr int kContentSize = 32; |
| |
| // Each cell in this GM's grid is a square - 2*kContentSize on a side |
| inline static constexpr int kTotalWidth = (2*kContentSize+kPad) * kSkTileModeCount + kPad; |
| inline static constexpr int kTotalHeight = (2*kContentSize+kPad) * kSkTileModeCount + kPad; |
| |
| GrSurfaceOrigin fOrigin; |
| SkIRect fContentRect; |
| GrSurfaceProxyView fView; |
| |
| using INHERITED = GM; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| DEF_GM(return new LazyTilingGM(kTopLeft_GrSurfaceOrigin);) |
| DEF_GM(return new LazyTilingGM(kBottomLeft_GrSurfaceOrigin);) |
| |
| } // namespace skiagm |