| /* | |
| * Copyright 2011 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/SkAlphaType.h" | |
| #include "include/core/SkBitmap.h" | |
| #include "include/core/SkCanvas.h" | |
| #include "include/core/SkColor.h" | |
| #include "include/core/SkColorPriv.h" | |
| #include "include/core/SkColorType.h" | |
| #include "include/core/SkImageInfo.h" | |
| #include "include/core/SkMallocPixelRef.h" | |
| #include "include/core/SkPixelRef.h" | |
| #include "include/core/SkRect.h" | |
| #include "include/core/SkRefCnt.h" | |
| #include "include/core/SkSize.h" | |
| #include "include/core/SkSurface.h" | |
| #include "include/core/SkTypes.h" | |
| #include "include/gpu/GpuTypes.h" | |
| #include "include/gpu/GrBackendSurface.h" | |
| #include "include/gpu/GrDirectContext.h" | |
| #include "include/gpu/GrTypes.h" | |
| #if defined(SK_GRAPHITE) | |
| #include "include/gpu/graphite/Context.h" | |
| #include "include/gpu/graphite/Surface.h" | |
| #endif | |
| #include "include/gpu/ganesh/SkSurfaceGanesh.h" | |
| #include "include/private/SkColorData.h" | |
| #include "include/private/base/SkCPUTypes.h" | |
| #include "include/private/base/SkMalloc.h" | |
| #include "include/private/base/SkSafe32.h" | |
| #include "include/private/base/SkTo.h" | |
| #include "include/private/gpu/ganesh/GrTypesPriv.h" | |
| #include "src/base/SkMathPriv.h" | |
| #include "src/core/SkImageInfoPriv.h" | |
| #include "src/gpu/SkBackingFit.h" | |
| #include "src/gpu/ganesh/GrCaps.h" | |
| #include "src/gpu/ganesh/GrDirectContextPriv.h" | |
| #include "src/gpu/ganesh/GrProxyProvider.h" | |
| #include "src/gpu/ganesh/GrTextureProxy.h" | |
| #include "tests/CtsEnforcement.h" | |
| #include "tests/Test.h" | |
| #include "tools/gpu/BackendSurfaceFactory.h" | |
| #include <array> | |
| #include <cstdint> | |
| #include <cstring> | |
| #include <initializer_list> | |
| #include <memory> | |
| #include <utility> | |
| class GrRecordingContext; | |
| class SkImage; | |
| struct GrContextOptions; | |
| static const int DEV_W = 100, DEV_H = 100; | |
| static const SkIRect DEV_RECT = SkIRect::MakeWH(DEV_W, DEV_H); | |
| static const U8CPU DEV_PAD = 0xee; | |
| static SkPMColor get_canvas_color(int x, int y) { | |
| SkASSERT(x >= 0 && x < DEV_W); | |
| SkASSERT(y >= 0 && y < DEV_H); | |
| U8CPU r = x; | |
| U8CPU g = y; | |
| U8CPU b = 0xc; | |
| U8CPU a = 0x0; | |
| switch ((x+y) % 5) { | |
| case 0: | |
| a = 0xff; | |
| break; | |
| case 1: | |
| a = 0x80; | |
| break; | |
| case 2: | |
| a = 0xCC; | |
| break; | |
| case 3: | |
| a = 0x00; | |
| break; | |
| case 4: | |
| a = 0x01; | |
| break; | |
| } | |
| return SkPremultiplyARGBInline(a, r, g, b); | |
| } | |
| // assumes any premu/.unpremul has been applied | |
| static uint32_t pack_color_type(SkColorType ct, U8CPU a, U8CPU r, U8CPU g, U8CPU b) { | |
| uint32_t r32; | |
| uint8_t* result = reinterpret_cast<uint8_t*>(&r32); | |
| switch (ct) { | |
| case kBGRA_8888_SkColorType: | |
| result[0] = b; | |
| result[1] = g; | |
| result[2] = r; | |
| result[3] = a; | |
| break; | |
| case kRGBA_8888_SkColorType: // fallthrough | |
| case kRGB_888x_SkColorType: | |
| result[0] = r; | |
| result[1] = g; | |
| result[2] = b; | |
| result[3] = a; | |
| break; | |
| default: | |
| SkASSERT(0); | |
| return 0; | |
| } | |
| return r32; | |
| } | |
| static uint32_t get_bitmap_color(int x, int y, int w, SkColorType ct, SkAlphaType at) { | |
| int n = y * w + x; | |
| U8CPU b = n & 0xff; | |
| U8CPU g = (n >> 8) & 0xff; | |
| U8CPU r = (n >> 16) & 0xff; | |
| U8CPU a = 0; | |
| switch ((x+y) % 5) { | |
| case 4: | |
| a = 0xff; | |
| break; | |
| case 3: | |
| a = 0x80; | |
| break; | |
| case 2: | |
| a = 0xCC; | |
| break; | |
| case 1: | |
| a = 0x01; | |
| break; | |
| case 0: | |
| a = 0x00; | |
| break; | |
| } | |
| if (kPremul_SkAlphaType == at) { | |
| r = SkMulDiv255Ceiling(r, a); | |
| g = SkMulDiv255Ceiling(g, a); | |
| b = SkMulDiv255Ceiling(b, a); | |
| } | |
| return pack_color_type(ct, a, r, g , b); | |
| } | |
| static void fill_surface(SkSurface* surface) { | |
| SkBitmap bmp; | |
| bmp.allocN32Pixels(DEV_W, DEV_H); | |
| for (int y = 0; y < DEV_H; ++y) { | |
| for (int x = 0; x < DEV_W; ++x) { | |
| *bmp.getAddr32(x, y) = get_canvas_color(x, y); | |
| } | |
| } | |
| surface->writePixels(bmp, 0, 0); | |
| } | |
| /** | |
| * Lucky for us, alpha is always in the same spot (SK_A32_SHIFT), for both RGBA and BGRA. | |
| * Thus this routine doesn't need to know the exact colortype | |
| */ | |
| static uint32_t premul(uint32_t color) { | |
| unsigned a = SkGetPackedA32(color); | |
| // these next three are not necessarily r,g,b in that order, but they are r,g,b in some order. | |
| unsigned c0 = SkGetPackedR32(color); | |
| unsigned c1 = SkGetPackedG32(color); | |
| unsigned c2 = SkGetPackedB32(color); | |
| c0 = SkMulDiv255Ceiling(c0, a); | |
| c1 = SkMulDiv255Ceiling(c1, a); | |
| c2 = SkMulDiv255Ceiling(c2, a); | |
| return SkPackARGB32NoCheck(a, c0, c1, c2); | |
| } | |
| static SkPMColor convert_to_PMColor(SkColorType ct, SkAlphaType at, uint32_t color) { | |
| if (kUnpremul_SkAlphaType == at) { | |
| color = premul(color); | |
| } | |
| switch (ct) { | |
| case kRGBA_8888_SkColorType: // fallthrough | |
| case kRGB_888x_SkColorType: | |
| color = SkSwizzle_RGBA_to_PMColor(color); | |
| break; | |
| case kBGRA_8888_SkColorType: | |
| color = SkSwizzle_BGRA_to_PMColor(color); | |
| break; | |
| default: | |
| SkASSERT(0); | |
| break; | |
| } | |
| return color; | |
| } | |
| static bool check_pixel(SkPMColor a, SkPMColor b, bool didPremulConversion) { | |
| if (!didPremulConversion) { | |
| return a == b; | |
| } | |
| int32_t aA = static_cast<int32_t>(SkGetPackedA32(a)); | |
| int32_t aR = static_cast<int32_t>(SkGetPackedR32(a)); | |
| int32_t aG = static_cast<int32_t>(SkGetPackedG32(a)); | |
| int32_t aB = SkGetPackedB32(a); | |
| int32_t bA = static_cast<int32_t>(SkGetPackedA32(b)); | |
| int32_t bR = static_cast<int32_t>(SkGetPackedR32(b)); | |
| int32_t bG = static_cast<int32_t>(SkGetPackedG32(b)); | |
| int32_t bB = static_cast<int32_t>(SkGetPackedB32(b)); | |
| return aA == bA && | |
| SkAbs32(aR - bR) <= 1 && | |
| SkAbs32(aG - bG) <= 1 && | |
| SkAbs32(aB - bB) <= 1; | |
| } | |
| bool write_should_succeed(const SkImageInfo& dstInfo, const SkImageInfo& srcInfo, bool isGPU) { | |
| if (!SkImageInfoValidConversion(dstInfo, srcInfo)) { | |
| return false; | |
| } | |
| if (!isGPU) { | |
| return true; | |
| } | |
| // The GPU backend supports writing unpremul data to a premul dst but not vice versa. | |
| if (srcInfo.alphaType() == kPremul_SkAlphaType && | |
| dstInfo.alphaType() == kUnpremul_SkAlphaType) { | |
| return false; | |
| } | |
| if (!SkColorTypeIsAlwaysOpaque(srcInfo.colorType()) && | |
| SkColorTypeIsAlwaysOpaque(dstInfo.colorType())) { | |
| return false; | |
| } | |
| // The source has no alpha value and the dst is only alpha | |
| if (SkColorTypeIsAlwaysOpaque(srcInfo.colorType()) && | |
| SkColorTypeIsAlphaOnly(dstInfo.colorType())) { | |
| return false; | |
| } | |
| return true; | |
| } | |
| static bool check_write(skiatest::Reporter* reporter, SkSurface* surf, SkAlphaType surfaceAlphaType, | |
| const SkBitmap& bitmap, int writeX, int writeY) { | |
| size_t canvasRowBytes; | |
| const uint32_t* canvasPixels; | |
| // Can't use canvas->peekPixels(), as we are trying to look at GPU pixels sometimes as well. | |
| // At some point this will be unsupported, as we won't allow accessBitmap() to magically call | |
| // readPixels for the client. | |
| SkBitmap secretDevBitmap; | |
| secretDevBitmap.allocN32Pixels(surf->width(), surf->height()); | |
| if (!surf->readPixels(secretDevBitmap, 0, 0)) { | |
| return false; | |
| } | |
| canvasRowBytes = secretDevBitmap.rowBytes(); | |
| canvasPixels = static_cast<const uint32_t*>(secretDevBitmap.getPixels()); | |
| if (nullptr == canvasPixels) { | |
| return false; | |
| } | |
| if (surf->width() != DEV_W || surf->height() != DEV_H) { | |
| return false; | |
| } | |
| const SkImageInfo& bmInfo = bitmap.info(); | |
| SkIRect writeRect = SkIRect::MakeXYWH(writeX, writeY, bitmap.width(), bitmap.height()); | |
| for (int cy = 0; cy < DEV_H; ++cy) { | |
| for (int cx = 0; cx < DEV_W; ++cx) { | |
| SkPMColor canvasPixel = canvasPixels[cx]; | |
| if (writeRect.contains(cx, cy)) { | |
| int bx = cx - writeX; | |
| int by = cy - writeY; | |
| uint32_t bmpColor8888 = get_bitmap_color(bx, by, bitmap.width(), | |
| bmInfo.colorType(), bmInfo.alphaType()); | |
| bool mul = (kUnpremul_SkAlphaType == bmInfo.alphaType()); | |
| SkPMColor bmpPMColor = convert_to_PMColor(bmInfo.colorType(), bmInfo.alphaType(), | |
| bmpColor8888); | |
| if (bmInfo.alphaType() == kOpaque_SkAlphaType || | |
| surfaceAlphaType == kOpaque_SkAlphaType) { | |
| bmpPMColor |= 0xFF000000; | |
| } | |
| if (!check_pixel(bmpPMColor, canvasPixel, mul)) { | |
| ERRORF(reporter, "Expected canvas pixel at %d, %d to be 0x%08x, got 0x%08x. " | |
| "Write performed premul: %d", cx, cy, bmpPMColor, canvasPixel, mul); | |
| return false; | |
| } | |
| } else { | |
| SkPMColor testColor = get_canvas_color(cx, cy); | |
| if (canvasPixel != testColor) { | |
| ERRORF(reporter, "Canvas pixel outside write rect at %d, %d changed." | |
| " Should be 0x%08x, got 0x%08x. ", cx, cy, testColor, canvasPixel); | |
| return false; | |
| } | |
| } | |
| } | |
| if (cy != DEV_H -1) { | |
| const char* pad = reinterpret_cast<const char*>(canvasPixels + DEV_W); | |
| for (size_t px = 0; px < canvasRowBytes - 4 * DEV_W; ++px) { | |
| bool check; | |
| REPORTER_ASSERT(reporter, check = (pad[px] == static_cast<char>(DEV_PAD))); | |
| if (!check) { | |
| return false; | |
| } | |
| } | |
| } | |
| canvasPixels += canvasRowBytes/4; | |
| } | |
| return true; | |
| } | |
| // This is a tricky pattern, because we have to setConfig+rowBytes AND specify | |
| // a custom pixelRef (which also has to specify its rowBytes), so we have to be | |
| // sure that the two rowBytes match (and the infos match). | |
| // | |
| static bool alloc_row_bytes(SkBitmap* bm, const SkImageInfo& info, size_t rowBytes) { | |
| if (!bm->setInfo(info, rowBytes)) { | |
| return false; | |
| } | |
| sk_sp<SkPixelRef> pr = SkMallocPixelRef::MakeAllocate(info, rowBytes); | |
| bm->setPixelRef(std::move(pr), 0, 0); | |
| return true; | |
| } | |
| static bool setup_bitmap(SkBitmap* bm, SkColorType ct, SkAlphaType at, int w, int h, int tightRB) { | |
| size_t rowBytes = tightRB ? 0 : 4 * w + 60; | |
| SkImageInfo info = SkImageInfo::Make(w, h, ct, at); | |
| if (!alloc_row_bytes(bm, info, rowBytes)) { | |
| return false; | |
| } | |
| for (int y = 0; y < h; ++y) { | |
| for (int x = 0; x < w; ++x) { | |
| *bm->getAddr32(x, y) = get_bitmap_color(x, y, w, ct, at); | |
| } | |
| } | |
| return true; | |
| } | |
| static void call_writepixels(SkSurface* surface) { | |
| const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1); | |
| SkPMColor pixel = 0; | |
| surface->writePixels({info, &pixel, sizeof(SkPMColor)}, 0, 0); | |
| } | |
| DEF_TEST(WritePixelsSurfaceGenID, reporter) { | |
| const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100); | |
| auto surface(SkSurfaces::Raster(info)); | |
| uint32_t genID1 = surface->generationID(); | |
| call_writepixels(surface.get()); | |
| uint32_t genID2 = surface->generationID(); | |
| REPORTER_ASSERT(reporter, genID1 != genID2); | |
| } | |
| static void test_write_pixels(skiatest::Reporter* reporter, SkSurface* surface, | |
| const SkImageInfo& surfaceInfo) { | |
| const SkIRect testRects[] = { | |
| // entire thing | |
| DEV_RECT, | |
| // larger on all sides | |
| SkIRect::MakeLTRB(-10, -10, DEV_W + 10, DEV_H + 10), | |
| // fully contained | |
| SkIRect::MakeLTRB(DEV_W / 4, DEV_H / 4, 3 * DEV_W / 4, 3 * DEV_H / 4), | |
| // outside top left | |
| SkIRect::MakeLTRB(-10, -10, -1, -1), | |
| // touching top left corner | |
| SkIRect::MakeLTRB(-10, -10, 0, 0), | |
| // overlapping top left corner | |
| SkIRect::MakeLTRB(-10, -10, DEV_W / 4, DEV_H / 4), | |
| // overlapping top left and top right corners | |
| SkIRect::MakeLTRB(-10, -10, DEV_W + 10, DEV_H / 4), | |
| // touching entire top edge | |
| SkIRect::MakeLTRB(-10, -10, DEV_W + 10, 0), | |
| // overlapping top right corner | |
| SkIRect::MakeLTRB(3 * DEV_W / 4, -10, DEV_W + 10, DEV_H / 4), | |
| // contained in x, overlapping top edge | |
| SkIRect::MakeLTRB(DEV_W / 4, -10, 3 * DEV_W / 4, DEV_H / 4), | |
| // outside top right corner | |
| SkIRect::MakeLTRB(DEV_W + 1, -10, DEV_W + 10, -1), | |
| // touching top right corner | |
| SkIRect::MakeLTRB(DEV_W, -10, DEV_W + 10, 0), | |
| // overlapping top left and bottom left corners | |
| SkIRect::MakeLTRB(-10, -10, DEV_W / 4, DEV_H + 10), | |
| // touching entire left edge | |
| SkIRect::MakeLTRB(-10, -10, 0, DEV_H + 10), | |
| // overlapping bottom left corner | |
| SkIRect::MakeLTRB(-10, 3 * DEV_H / 4, DEV_W / 4, DEV_H + 10), | |
| // contained in y, overlapping left edge | |
| SkIRect::MakeLTRB(-10, DEV_H / 4, DEV_W / 4, 3 * DEV_H / 4), | |
| // outside bottom left corner | |
| SkIRect::MakeLTRB(-10, DEV_H + 1, -1, DEV_H + 10), | |
| // touching bottom left corner | |
| SkIRect::MakeLTRB(-10, DEV_H, 0, DEV_H + 10), | |
| // overlapping bottom left and bottom right corners | |
| SkIRect::MakeLTRB(-10, 3 * DEV_H / 4, DEV_W + 10, DEV_H + 10), | |
| // touching entire left edge | |
| SkIRect::MakeLTRB(0, DEV_H, DEV_W, DEV_H + 10), | |
| // overlapping bottom right corner | |
| SkIRect::MakeLTRB(3 * DEV_W / 4, 3 * DEV_H / 4, DEV_W + 10, DEV_H + 10), | |
| // overlapping top right and bottom right corners | |
| SkIRect::MakeLTRB(3 * DEV_W / 4, -10, DEV_W + 10, DEV_H + 10), | |
| }; | |
| SkCanvas* canvas = surface->getCanvas(); | |
| static const struct { | |
| SkColorType fColorType; | |
| SkAlphaType fAlphaType; | |
| } gSrcConfigs[] = { | |
| {kRGBA_8888_SkColorType, kPremul_SkAlphaType}, | |
| {kRGBA_8888_SkColorType, kUnpremul_SkAlphaType}, | |
| {kRGB_888x_SkColorType, kOpaque_SkAlphaType}, | |
| {kBGRA_8888_SkColorType, kPremul_SkAlphaType}, | |
| {kBGRA_8888_SkColorType, kUnpremul_SkAlphaType}, | |
| }; | |
| for (size_t r = 0; r < std::size(testRects); ++r) { | |
| const SkIRect& rect = testRects[r]; | |
| for (int tightBmp = 0; tightBmp < 2; ++tightBmp) { | |
| for (size_t c = 0; c < std::size(gSrcConfigs); ++c) { | |
| const SkColorType ct = gSrcConfigs[c].fColorType; | |
| const SkAlphaType at = gSrcConfigs[c].fAlphaType; | |
| bool isGPU = SkToBool(surface->getCanvas()->recordingContext()) || | |
| SkToBool(surface->getCanvas()->recorder()); | |
| fill_surface(surface); | |
| SkBitmap bmp; | |
| REPORTER_ASSERT(reporter, setup_bitmap(&bmp, ct, at, rect.width(), | |
| rect.height(), SkToBool(tightBmp))); | |
| uint32_t idBefore = surface->generationID(); | |
| surface->writePixels(bmp, rect.fLeft, rect.fTop); | |
| uint32_t idAfter = surface->generationID(); | |
| REPORTER_ASSERT(reporter, check_write(reporter, surface, surfaceInfo.alphaType(), | |
| bmp, rect.fLeft, rect.fTop)); | |
| // we should change the genID iff pixels were actually written. | |
| SkIRect canvasRect = SkIRect::MakeSize(canvas->getBaseLayerSize()); | |
| SkIRect writeRect = SkIRect::MakeXYWH(rect.fLeft, rect.fTop, | |
| bmp.width(), bmp.height()); | |
| bool expectSuccess = SkIRect::Intersects(canvasRect, writeRect) && | |
| write_should_succeed(surfaceInfo, bmp.info(), isGPU); | |
| REPORTER_ASSERT(reporter, expectSuccess == (idBefore != idAfter)); | |
| } | |
| } | |
| } | |
| } | |
| static void free_pixels(void* pixels, void* ctx) { sk_free(pixels); } | |
| DEF_TEST(WritePixels, reporter) { | |
| const SkImageInfo info = SkImageInfo::MakeN32Premul(DEV_W, DEV_H); | |
| for (auto& tightRowBytes : { true, false }) { | |
| const size_t rowBytes = tightRowBytes ? info.minRowBytes() : 4 * DEV_W + 100; | |
| const size_t size = info.computeByteSize(rowBytes); | |
| void* pixels = sk_malloc_throw(size); | |
| // if rowBytes isn't tight then set the padding to a known value | |
| if (!tightRowBytes) { | |
| memset(pixels, DEV_PAD, size); | |
| } | |
| auto surface(SkSurfaces::WrapPixels(info, pixels, rowBytes, free_pixels, nullptr)); | |
| test_write_pixels(reporter, surface.get(), info); | |
| } | |
| } | |
| static void test_write_pixels(skiatest::Reporter* reporter, | |
| GrRecordingContext* rContext, | |
| int sampleCnt) { | |
| const SkImageInfo ii = SkImageInfo::MakeN32Premul(DEV_W, DEV_H); | |
| for (auto& origin : { kTopLeft_GrSurfaceOrigin, kBottomLeft_GrSurfaceOrigin }) { | |
| sk_sp<SkSurface> surface(SkSurfaces::RenderTarget( | |
| rContext, skgpu::Budgeted::kNo, ii, sampleCnt, origin, nullptr)); | |
| if (surface) { | |
| test_write_pixels(reporter, surface.get(), ii); | |
| } | |
| } | |
| } | |
| DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(WritePixels_Gpu, | |
| reporter, | |
| ctxInfo, | |
| CtsEnforcement::kApiLevel_T) { | |
| test_write_pixels(reporter, ctxInfo.directContext(), 1); | |
| } | |
| DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(WritePixelsMSAA_Gpu, | |
| reporter, | |
| ctxInfo, | |
| CtsEnforcement::kApiLevel_T) { | |
| test_write_pixels(reporter, ctxInfo.directContext(), 1); | |
| } | |
| #if defined(SK_GRAPHITE) | |
| static void test_write_pixels(skiatest::Reporter* reporter, | |
| skgpu::graphite::Recorder* recorder, | |
| int sampleCnt) { | |
| const SkImageInfo ii = SkImageInfo::MakeN32Premul(DEV_W, DEV_H); | |
| sk_sp<SkSurface> surface = SkSurfaces::RenderTarget(recorder, ii); | |
| if (surface) { | |
| test_write_pixels(reporter, surface.get(), ii); | |
| } | |
| } | |
| DEF_GRAPHITE_TEST_FOR_RENDERING_CONTEXTS(WritePixels_Graphite, | |
| reporter, | |
| context, | |
| CtsEnforcement::kNextRelease) { | |
| std::unique_ptr<skgpu::graphite::Recorder> recorder = context->makeRecorder(); | |
| test_write_pixels(reporter, recorder.get(), 1); | |
| } | |
| #endif | |
| static void test_write_pixels_non_texture(skiatest::Reporter* reporter, | |
| GrDirectContext* dContext, | |
| int sampleCnt) { | |
| for (auto& origin : {kTopLeft_GrSurfaceOrigin, kBottomLeft_GrSurfaceOrigin}) { | |
| SkColorType colorType = kN32_SkColorType; | |
| auto surface = sk_gpu_test::MakeBackendRenderTargetSurface(dContext, | |
| {DEV_W, DEV_H}, | |
| origin, | |
| sampleCnt, | |
| colorType); | |
| if (surface) { | |
| auto ii = SkImageInfo::MakeN32Premul(DEV_W, DEV_H); | |
| test_write_pixels(reporter, surface.get(), ii); | |
| } | |
| } | |
| } | |
| DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(WritePixelsNonTexture_Gpu, | |
| reporter, | |
| ctxInfo, | |
| CtsEnforcement::kApiLevel_T) { | |
| test_write_pixels_non_texture(reporter, ctxInfo.directContext(), 1); | |
| } | |
| DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(WritePixelsNonTextureMSAA_Gpu, | |
| reporter, | |
| ctxInfo, | |
| CtsEnforcement::kApiLevel_T) { | |
| test_write_pixels_non_texture(reporter, ctxInfo.directContext(), 4); | |
| } | |
| static sk_sp<SkSurface> create_surf(GrRecordingContext* rContext, int width, int height) { | |
| const SkImageInfo ii = SkImageInfo::Make(width, height, | |
| kRGBA_8888_SkColorType, kPremul_SkAlphaType); | |
| sk_sp<SkSurface> surf = SkSurfaces::RenderTarget(rContext, skgpu::Budgeted::kYes, ii); | |
| skgpu::ganesh::FlushAndSubmit(surf); | |
| return surf; | |
| } | |
| static sk_sp<SkImage> upload(const sk_sp<SkSurface>& surf, SkColor color) { | |
| const SkImageInfo smII = SkImageInfo::Make(16, 16, kRGBA_8888_SkColorType, kPremul_SkAlphaType); | |
| SkBitmap bm; | |
| bm.allocPixels(smII); | |
| bm.eraseColor(color); | |
| surf->writePixels(bm, 0, 0); | |
| return surf->makeImageSnapshot(); | |
| } | |
| // This is tests whether the first writePixels is completed before the | |
| // second writePixels takes effect (i.e., that writePixels correctly flushes | |
| // in between uses of the shared backing resource). | |
| // The unit test fails on Nexus 6P/Android M with driver 129.0 without the | |
| // "DisallowTexSubImageForUnormConfigTexturesEverBoundToFBO" workaround enabled. | |
| // skbug.com/11834 | |
| DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(WritePixelsPendingIO, | |
| reporter, | |
| ctxInfo, | |
| CtsEnforcement::kApiLevel_T) { | |
| auto context = ctxInfo.directContext(); | |
| GrProxyProvider* proxyProvider = context->priv().proxyProvider(); | |
| const GrCaps* caps = context->priv().caps(); | |
| static const int kFullSize = 62; | |
| static const int kHalfSize = 31; | |
| static const uint32_t kLeftColor = 0xFF222222; | |
| static const uint32_t kRightColor = 0xFFAAAAAA; | |
| const SkImageInfo fullII = SkImageInfo::Make(kFullSize, kFullSize, | |
| kRGBA_8888_SkColorType, kPremul_SkAlphaType); | |
| const SkImageInfo halfII = SkImageInfo::Make(kHalfSize, kFullSize, | |
| kRGBA_8888_SkColorType, kPremul_SkAlphaType); | |
| sk_sp<SkSurface> dest = SkSurfaces::RenderTarget(context, skgpu::Budgeted::kYes, fullII); | |
| { | |
| // Seed the resource cached with a scratch texture that will be reused by writePixels | |
| static constexpr SkISize kDims = {32, 64}; | |
| const GrBackendFormat format = caps->getDefaultBackendFormat(GrColorType::kRGBA_8888, | |
| GrRenderable::kNo); | |
| sk_sp<GrTextureProxy> temp = proxyProvider->createProxy(format, | |
| kDims, | |
| GrRenderable::kNo, | |
| 1, | |
| skgpu::Mipmapped::kNo, | |
| SkBackingFit::kApprox, | |
| skgpu::Budgeted::kYes, | |
| GrProtected::kNo, | |
| /*label=*/"WritePixelsTest"); | |
| temp->instantiate(context->priv().resourceProvider()); | |
| } | |
| // Create the surfaces and flush them to ensure there is no lingering pendingIO | |
| sk_sp<SkSurface> leftSurf = create_surf(context, kHalfSize, kFullSize); | |
| sk_sp<SkSurface> rightSurf = create_surf(context, kHalfSize, kFullSize); | |
| sk_sp<SkImage> leftImg = upload(std::move(leftSurf), kLeftColor); | |
| dest->getCanvas()->drawImage(std::move(leftImg), 0, 0); | |
| sk_sp<SkImage> rightImg = upload(std::move(rightSurf), kRightColor); | |
| dest->getCanvas()->drawImage(std::move(rightImg), kHalfSize, 0); | |
| SkBitmap bm; | |
| bm.allocPixels(fullII); | |
| SkAssertResult(dest->readPixels(bm, 0, 0)); | |
| bool isCorrect = true; | |
| for (int y = 0; isCorrect && y < 16; ++y) { | |
| const uint32_t* sl = bm.getAddr32(0, y); | |
| for (int x = 0; x < 16; ++x) { | |
| if (kLeftColor != sl[x]) { | |
| isCorrect = false; | |
| break; | |
| } | |
| } | |
| for (int x = kHalfSize; x < kHalfSize+16; ++x) { | |
| if (kRightColor != sl[x]) { | |
| isCorrect = false; | |
| break; | |
| } | |
| } | |
| } | |
| REPORTER_ASSERT(reporter, isCorrect); | |
| } | |
| DEF_TEST(WritePixels_InvalidRowBytes, reporter) { | |
| auto dstII = SkImageInfo::Make({10, 10}, kRGBA_8888_SkColorType, kPremul_SkAlphaType); | |
| auto surf = SkSurfaces::Raster(dstII); | |
| for (int ct = 0; ct < kLastEnum_SkColorType + 1; ++ct) { | |
| auto colorType = static_cast<SkColorType>(ct); | |
| size_t bpp = SkColorTypeBytesPerPixel(colorType); | |
| if (bpp <= 1) { | |
| continue; | |
| } | |
| auto srcII = dstII.makeColorType(colorType); | |
| size_t badRowBytes = (surf->width() + 1)*bpp - 1; | |
| auto storage = std::make_unique<char[]>(badRowBytes*surf->height()); | |
| memset(storage.get(), 0, badRowBytes * surf->height()); | |
| // SkSurface::writePixels doesn't report bool, SkCanvas's does. | |
| REPORTER_ASSERT(reporter, | |
| !surf->getCanvas()->writePixels(srcII, storage.get(), badRowBytes, 0, 0)); | |
| } | |
| } |