| /* | |
| * 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 <initializer_list> | |
| #include "include/core/SkCanvas.h" | |
| #include "include/core/SkSurface.h" | |
| #include "include/effects/SkGradientShader.h" | |
| #include "include/gpu/GrContext.h" | |
| #include "include/private/SkColorData.h" | |
| #include "include/private/SkHalf.h" | |
| #include "include/private/SkImageInfoPriv.h" | |
| #include "include/utils/SkNWayCanvas.h" | |
| #include "src/core/SkAutoPixmapStorage.h" | |
| #include "src/core/SkConvertPixels.h" | |
| #include "src/core/SkMathPriv.h" | |
| #include "src/gpu/GrContextPriv.h" | |
| #include "src/gpu/GrImageInfo.h" | |
| #include "tests/Test.h" | |
| #include "tests/TestUtils.h" | |
| #include "tools/ToolUtils.h" | |
| #include "tools/gpu/GrContextFactory.h" | |
| #include "tools/gpu/ProxyUtils.h" | |
| static const int DEV_W = 100, DEV_H = 100; | |
| static const SkIRect DEV_RECT = SkIRect::MakeWH(DEV_W, DEV_H); | |
| static const SkRect DEV_RECT_S = SkRect::MakeWH(DEV_W * SK_Scalar1, | |
| DEV_H * SK_Scalar1); | |
| static SkPMColor get_src_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 = 0xff; | |
| switch ((x+y) % 5) { | |
| case 0: | |
| a = 0xff; | |
| break; | |
| case 1: | |
| a = 0x80; | |
| break; | |
| case 2: | |
| a = 0xCC; | |
| break; | |
| case 4: | |
| a = 0x01; | |
| break; | |
| case 3: | |
| a = 0x00; | |
| break; | |
| } | |
| return SkPremultiplyARGBInline(a, r, g, b); | |
| } | |
| static SkPMColor get_dst_bmp_init_color(int x, int y, int w) { | |
| int n = y * w + x; | |
| U8CPU b = n & 0xff; | |
| U8CPU g = (n >> 8) & 0xff; | |
| U8CPU r = (n >> 16) & 0xff; | |
| return SkPackARGB32(0xff, r, g , b); | |
| } | |
| // TODO: Make this consider both ATs | |
| static SkPMColor convert_to_pmcolor(SkColorType ct, SkAlphaType at, const uint32_t* addr, | |
| bool* doUnpremul) { | |
| *doUnpremul = (kUnpremul_SkAlphaType == at); | |
| const uint8_t* c = reinterpret_cast<const uint8_t*>(addr); | |
| U8CPU a,r,g,b; | |
| switch (ct) { | |
| case kBGRA_8888_SkColorType: | |
| b = static_cast<U8CPU>(c[0]); | |
| g = static_cast<U8CPU>(c[1]); | |
| r = static_cast<U8CPU>(c[2]); | |
| a = static_cast<U8CPU>(c[3]); | |
| break; | |
| case kRGB_888x_SkColorType: // fallthrough | |
| case kRGBA_8888_SkColorType: | |
| r = static_cast<U8CPU>(c[0]); | |
| g = static_cast<U8CPU>(c[1]); | |
| b = static_cast<U8CPU>(c[2]); | |
| // We set this even when for kRGB_888x because our caller will validate that it is 0xff. | |
| a = static_cast<U8CPU>(c[3]); | |
| break; | |
| default: | |
| SkDEBUGFAIL("Unexpected colortype"); | |
| return 0; | |
| } | |
| if (*doUnpremul) { | |
| r = SkMulDiv255Ceiling(r, a); | |
| g = SkMulDiv255Ceiling(g, a); | |
| b = SkMulDiv255Ceiling(b, a); | |
| } | |
| return SkPackARGB32(a, r, g, b); | |
| } | |
| static SkBitmap make_src_bitmap() { | |
| static SkBitmap bmp; | |
| if (bmp.isNull()) { | |
| bmp.allocN32Pixels(DEV_W, DEV_H); | |
| intptr_t pixels = reinterpret_cast<intptr_t>(bmp.getPixels()); | |
| for (int y = 0; y < DEV_H; ++y) { | |
| for (int x = 0; x < DEV_W; ++x) { | |
| SkPMColor* pixel = reinterpret_cast<SkPMColor*>(pixels + y * bmp.rowBytes() + x * bmp.bytesPerPixel()); | |
| *pixel = get_src_color(x, y); | |
| } | |
| } | |
| } | |
| return bmp; | |
| } | |
| static void fill_src_canvas(SkCanvas* canvas) { | |
| canvas->save(); | |
| canvas->setMatrix(SkMatrix::I()); | |
| canvas->clipRect(DEV_RECT_S, kReplace_SkClipOp); | |
| SkPaint paint; | |
| paint.setBlendMode(SkBlendMode::kSrc); | |
| canvas->drawBitmap(make_src_bitmap(), 0, 0, &paint); | |
| canvas->restore(); | |
| } | |
| static void fill_dst_bmp_with_init_data(SkBitmap* bitmap) { | |
| int w = bitmap->width(); | |
| int h = bitmap->height(); | |
| intptr_t pixels = reinterpret_cast<intptr_t>(bitmap->getPixels()); | |
| for (int y = 0; y < h; ++y) { | |
| for (int x = 0; x < w; ++x) { | |
| SkPMColor initColor = get_dst_bmp_init_color(x, y, w); | |
| if (kAlpha_8_SkColorType == bitmap->colorType()) { | |
| uint8_t* alpha = reinterpret_cast<uint8_t*>(pixels + y * bitmap->rowBytes() + x); | |
| *alpha = SkGetPackedA32(initColor); | |
| } else { | |
| SkPMColor* pixel = reinterpret_cast<SkPMColor*>(pixels + y * bitmap->rowBytes() + x * bitmap->bytesPerPixel()); | |
| *pixel = initColor; | |
| } | |
| } | |
| } | |
| } | |
| static bool check_read_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; | |
| } | |
| // checks the bitmap contains correct pixels after the readPixels | |
| // if the bitmap was prefilled with pixels it checks that these weren't | |
| // overwritten in the area outside the readPixels. | |
| static bool check_read(skiatest::Reporter* reporter, const SkBitmap& bitmap, int x, int y, | |
| bool checkSurfacePixels, bool checkBitmapPixels, | |
| SkImageInfo surfaceInfo) { | |
| SkAlphaType bmpAT = bitmap.alphaType(); | |
| SkColorType bmpCT = bitmap.colorType(); | |
| SkASSERT(!bitmap.isNull()); | |
| SkASSERT(checkSurfacePixels || checkBitmapPixels); | |
| int bw = bitmap.width(); | |
| int bh = bitmap.height(); | |
| SkIRect srcRect = SkIRect::MakeXYWH(x, y, bw, bh); | |
| SkIRect clippedSrcRect = DEV_RECT; | |
| if (!clippedSrcRect.intersect(srcRect)) { | |
| clippedSrcRect.setEmpty(); | |
| } | |
| if (kAlpha_8_SkColorType == bmpCT) { | |
| for (int by = 0; by < bh; ++by) { | |
| for (int bx = 0; bx < bw; ++bx) { | |
| int devx = bx + srcRect.fLeft; | |
| int devy = by + srcRect.fTop; | |
| const uint8_t* alpha = bitmap.getAddr8(bx, by); | |
| if (clippedSrcRect.contains(devx, devy)) { | |
| if (checkSurfacePixels) { | |
| uint8_t surfaceAlpha = (surfaceInfo.alphaType() == kOpaque_SkAlphaType) | |
| ? 0xFF | |
| : SkGetPackedA32(get_src_color(devx, devy)); | |
| if (surfaceAlpha != *alpha) { | |
| ERRORF(reporter, | |
| "Expected readback alpha (%d, %d) value 0x%02x, got 0x%02x. ", | |
| bx, by, surfaceAlpha, *alpha); | |
| return false; | |
| } | |
| } | |
| } else if (checkBitmapPixels) { | |
| uint32_t origDstAlpha = SkGetPackedA32(get_dst_bmp_init_color(bx, by, bw)); | |
| if (origDstAlpha != *alpha) { | |
| ERRORF(reporter, "Expected clipped out area of readback to be unchanged. " | |
| "Expected 0x%02x, got 0x%02x", origDstAlpha, *alpha); | |
| return false; | |
| } | |
| } | |
| } | |
| } | |
| return true; | |
| } | |
| for (int by = 0; by < bh; ++by) { | |
| for (int bx = 0; bx < bw; ++bx) { | |
| int devx = bx + srcRect.fLeft; | |
| int devy = by + srcRect.fTop; | |
| const uint32_t* pixel = bitmap.getAddr32(bx, by); | |
| if (clippedSrcRect.contains(devx, devy)) { | |
| if (checkSurfacePixels) { | |
| SkPMColor surfacePMColor = get_src_color(devx, devy); | |
| if (SkColorTypeIsAlphaOnly(surfaceInfo.colorType())) { | |
| surfacePMColor &= 0xFF000000; | |
| } | |
| if (kOpaque_SkAlphaType == surfaceInfo.alphaType() || kOpaque_SkAlphaType == bmpAT) { | |
| surfacePMColor |= 0xFF000000; | |
| } | |
| bool didPremul; | |
| SkPMColor pmPixel = convert_to_pmcolor(bmpCT, bmpAT, pixel, &didPremul); | |
| if (!check_read_pixel(pmPixel, surfacePMColor, didPremul)) { | |
| ERRORF(reporter, | |
| "Expected readback pixel (%d, %d) value 0x%08x, got 0x%08x. " | |
| "Readback was unpremul: %d", | |
| bx, by, surfacePMColor, pmPixel, didPremul); | |
| return false; | |
| } | |
| } | |
| } else if (checkBitmapPixels) { | |
| uint32_t origDstPixel = get_dst_bmp_init_color(bx, by, bw); | |
| if (origDstPixel != *pixel) { | |
| ERRORF(reporter, "Expected clipped out area of readback to be unchanged. " | |
| "Expected 0x%08x, got 0x%08x", origDstPixel, *pixel); | |
| return false; | |
| } | |
| } | |
| } | |
| } | |
| return true; | |
| } | |
| enum class TightRowBytes : bool { kNo, kYes }; | |
| static void init_bitmap(SkBitmap* bitmap, const SkIRect& rect, TightRowBytes tightRB, | |
| SkColorType ct, SkAlphaType at) { | |
| SkImageInfo info = SkImageInfo::Make(rect.size(), ct, at); | |
| size_t rowBytes = 0; | |
| if (tightRB == TightRowBytes::kNo) { | |
| rowBytes = SkAlign4((info.width() + 16) * info.bytesPerPixel()); | |
| } | |
| bitmap->allocPixels(info, rowBytes); | |
| } | |
| static const struct { | |
| SkColorType fColorType; | |
| SkAlphaType fAlphaType; | |
| } gReadPixelsConfigs[] = { | |
| {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}, | |
| {kAlpha_8_SkColorType, kPremul_SkAlphaType}, | |
| }; | |
| const SkIRect gReadPixelsTestRects[] = { | |
| // 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), | |
| }; | |
| bool read_should_succeed(const SkIRect& srcRect, const SkImageInfo& dstInfo, | |
| const SkImageInfo& srcInfo) { | |
| return SkIRect::Intersects(srcRect, DEV_RECT) && SkImageInfoValidConversion(dstInfo, srcInfo); | |
| } | |
| static void test_readpixels(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface, | |
| const SkImageInfo& surfaceInfo) { | |
| SkCanvas* canvas = surface->getCanvas(); | |
| fill_src_canvas(canvas); | |
| for (size_t rect = 0; rect < SK_ARRAY_COUNT(gReadPixelsTestRects); ++rect) { | |
| const SkIRect& srcRect = gReadPixelsTestRects[rect]; | |
| for (auto tightRB : {TightRowBytes::kYes, TightRowBytes::kNo}) { | |
| for (size_t c = 0; c < SK_ARRAY_COUNT(gReadPixelsConfigs); ++c) { | |
| SkBitmap bmp; | |
| init_bitmap(&bmp, srcRect, tightRB, gReadPixelsConfigs[c].fColorType, | |
| gReadPixelsConfigs[c].fAlphaType); | |
| // if the bitmap has pixels allocated before the readPixels, | |
| // note that and fill them with pattern | |
| bool startsWithPixels = !bmp.isNull(); | |
| if (startsWithPixels) { | |
| fill_dst_bmp_with_init_data(&bmp); | |
| } | |
| uint32_t idBefore = surface->generationID(); | |
| bool success = surface->readPixels(bmp, srcRect.fLeft, srcRect.fTop); | |
| uint32_t idAfter = surface->generationID(); | |
| // we expect to succeed when the read isn't fully clipped out and the infos are | |
| // compatible. | |
| bool expectSuccess = read_should_succeed(srcRect, bmp.info(), surfaceInfo); | |
| // determine whether we expected the read to succeed. | |
| REPORTER_ASSERT(reporter, expectSuccess == success, | |
| "Read succeed=%d unexpectedly, src ct/at: %d/%d, dst ct/at: %d/%d", | |
| success, surfaceInfo.colorType(), surfaceInfo.alphaType(), | |
| bmp.info().colorType(), bmp.info().alphaType()); | |
| // read pixels should never change the gen id | |
| REPORTER_ASSERT(reporter, idBefore == idAfter); | |
| if (success || startsWithPixels) { | |
| check_read(reporter, bmp, srcRect.fLeft, srcRect.fTop, success, | |
| startsWithPixels, surfaceInfo); | |
| } else { | |
| // if we had no pixels beforehand and the readPixels | |
| // failed then our bitmap should still not have pixels | |
| REPORTER_ASSERT(reporter, bmp.isNull()); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| DEF_TEST(ReadPixels, reporter) { | |
| const SkImageInfo info = SkImageInfo::MakeN32Premul(DEV_W, DEV_H); | |
| auto surface(SkSurface::MakeRaster(info)); | |
| test_readpixels(reporter, surface, info); | |
| } | |
| static void test_readpixels_texture(skiatest::Reporter* reporter, | |
| std::unique_ptr<GrSurfaceContext> sContext, | |
| const SkImageInfo& surfaceInfo) { | |
| for (size_t rect = 0; rect < SK_ARRAY_COUNT(gReadPixelsTestRects); ++rect) { | |
| const SkIRect& srcRect = gReadPixelsTestRects[rect]; | |
| for (auto tightRB : {TightRowBytes::kYes, TightRowBytes::kNo}) { | |
| for (size_t c = 0; c < SK_ARRAY_COUNT(gReadPixelsConfigs); ++c) { | |
| SkBitmap bmp; | |
| init_bitmap(&bmp, srcRect, tightRB, gReadPixelsConfigs[c].fColorType, | |
| gReadPixelsConfigs[c].fAlphaType); | |
| // if the bitmap has pixels allocated before the readPixels, | |
| // note that and fill them with pattern | |
| bool startsWithPixels = !bmp.isNull(); | |
| // Try doing the read directly from a non-renderable texture | |
| if (startsWithPixels) { | |
| fill_dst_bmp_with_init_data(&bmp); | |
| bool success = sContext->readPixels(bmp.info(), bmp.getPixels(), bmp.rowBytes(), | |
| {srcRect.fLeft, srcRect.fTop}); | |
| auto expectSuccess = read_should_succeed(srcRect, bmp.info(), surfaceInfo); | |
| REPORTER_ASSERT( | |
| reporter, expectSuccess == success, | |
| "Read succeed=%d unexpectedly, src ct/at: %d/%d, dst ct/at: %d/%d", | |
| success, surfaceInfo.colorType(), surfaceInfo.alphaType(), | |
| bmp.info().colorType(), bmp.info().alphaType()); | |
| if (success) { | |
| check_read(reporter, bmp, srcRect.fLeft, srcRect.fTop, success, true, | |
| surfaceInfo); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadPixels_Texture, reporter, ctxInfo) { | |
| GrContext* context = ctxInfo.grContext(); | |
| SkBitmap bmp = make_src_bitmap(); | |
| // On the GPU we will also try reading back from a non-renderable texture. | |
| for (auto origin : {kBottomLeft_GrSurfaceOrigin, kTopLeft_GrSurfaceOrigin}) { | |
| for (auto renderable : {GrRenderable::kNo, GrRenderable::kYes}) { | |
| sk_sp<GrTextureProxy> proxy = sk_gpu_test::MakeTextureProxyFromData( | |
| context, renderable, origin, bmp.info(), bmp.getPixels(), bmp.rowBytes()); | |
| auto sContext = context->priv().makeWrappedSurfaceContext( | |
| std::move(proxy), SkColorTypeToGrColorType(bmp.colorType()), | |
| kPremul_SkAlphaType); | |
| auto info = SkImageInfo::Make(DEV_W, DEV_H, kN32_SkColorType, kPremul_SkAlphaType); | |
| test_readpixels_texture(reporter, std::move(sContext), info); | |
| } | |
| } | |
| } | |
| /////////////////////////////////////////////////////////////////////////////////////////////////// | |
| static const uint32_t kNumPixels = 5; | |
| // The five reference pixels are: red, green, blue, white, black. | |
| // Five is an interesting number to test because we'll exercise a full 4-wide SIMD vector | |
| // plus a tail pixel. | |
| static const uint32_t rgba[kNumPixels] = { | |
| 0xFF0000FF, 0xFF00FF00, 0xFFFF0000, 0xFFFFFFFF, 0xFF000000 | |
| }; | |
| static const uint32_t bgra[kNumPixels] = { | |
| 0xFFFF0000, 0xFF00FF00, 0xFF0000FF, 0xFFFFFFFF, 0xFF000000 | |
| }; | |
| static const uint16_t rgb565[kNumPixels] = { | |
| SK_R16_MASK_IN_PLACE, SK_G16_MASK_IN_PLACE, SK_B16_MASK_IN_PLACE, 0xFFFF, 0x0 | |
| }; | |
| static const uint16_t rgba4444[kNumPixels] = { 0xF00F, 0x0F0F, 0x00FF, 0xFFFF, 0x000F }; | |
| static const uint64_t kRed = (uint64_t) SK_Half1 << 0; | |
| static const uint64_t kGreen = (uint64_t) SK_Half1 << 16; | |
| static const uint64_t kBlue = (uint64_t) SK_Half1 << 32; | |
| static const uint64_t kAlpha = (uint64_t) SK_Half1 << 48; | |
| static const uint64_t f16[kNumPixels] = { | |
| kAlpha | kRed, kAlpha | kGreen, kAlpha | kBlue, kAlpha | kBlue | kGreen | kRed, kAlpha | |
| }; | |
| static const uint8_t alpha8[kNumPixels] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; | |
| static const uint8_t gray8[kNumPixels] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; | |
| static const void* five_reference_pixels(SkColorType colorType) { | |
| switch (colorType) { | |
| case kUnknown_SkColorType: | |
| return nullptr; | |
| case kAlpha_8_SkColorType: | |
| return alpha8; | |
| case kRGB_565_SkColorType: | |
| return rgb565; | |
| case kARGB_4444_SkColorType: | |
| return rgba4444; | |
| case kRGBA_8888_SkColorType: | |
| return rgba; | |
| case kBGRA_8888_SkColorType: | |
| return bgra; | |
| case kGray_8_SkColorType: | |
| return gray8; | |
| case kRGBA_F16_SkColorType: | |
| return f16; | |
| default: | |
| return nullptr; | |
| } | |
| SkASSERT(false); | |
| return nullptr; | |
| } | |
| static void test_conversion(skiatest::Reporter* r, const SkImageInfo& dstInfo, | |
| const SkImageInfo& srcInfo) { | |
| if (!SkImageInfoIsValid(srcInfo)) { | |
| return; | |
| } | |
| const void* srcPixels = five_reference_pixels(srcInfo.colorType()); | |
| SkPixmap srcPixmap(srcInfo, srcPixels, srcInfo.minRowBytes()); | |
| sk_sp<SkImage> src = SkImage::MakeFromRaster(srcPixmap, nullptr, nullptr); | |
| REPORTER_ASSERT(r, src); | |
| // Enough space for 5 pixels when color type is F16, more than enough space in other cases. | |
| uint64_t dstPixels[kNumPixels]; | |
| SkPixmap dstPixmap(dstInfo, dstPixels, dstInfo.minRowBytes()); | |
| bool success = src->readPixels(dstPixmap, 0, 0); | |
| REPORTER_ASSERT(r, success == SkImageInfoValidConversion(dstInfo, srcInfo)); | |
| if (success) { | |
| if (kGray_8_SkColorType == srcInfo.colorType() && | |
| kGray_8_SkColorType != dstInfo.colorType()) { | |
| // TODO: test (r,g,b) == (gray,gray,gray)? | |
| return; | |
| } | |
| if (kGray_8_SkColorType == dstInfo.colorType() && | |
| kGray_8_SkColorType != srcInfo.colorType()) { | |
| // TODO: test gray = luminance? | |
| return; | |
| } | |
| if (kAlpha_8_SkColorType == srcInfo.colorType() && | |
| kAlpha_8_SkColorType != dstInfo.colorType()) { | |
| // TODO: test output = black with this alpha? | |
| return; | |
| } | |
| REPORTER_ASSERT(r, 0 == memcmp(dstPixels, five_reference_pixels(dstInfo.colorType()), | |
| kNumPixels * SkColorTypeBytesPerPixel(dstInfo.colorType()))); | |
| } | |
| } | |
| DEF_TEST(ReadPixels_ValidConversion, reporter) { | |
| const SkColorType kColorTypes[] = { | |
| kUnknown_SkColorType, | |
| kAlpha_8_SkColorType, | |
| kRGB_565_SkColorType, | |
| kARGB_4444_SkColorType, | |
| kRGBA_8888_SkColorType, | |
| kBGRA_8888_SkColorType, | |
| kGray_8_SkColorType, | |
| kRGBA_F16_SkColorType, | |
| }; | |
| const SkAlphaType kAlphaTypes[] = { | |
| kUnknown_SkAlphaType, | |
| kOpaque_SkAlphaType, | |
| kPremul_SkAlphaType, | |
| kUnpremul_SkAlphaType, | |
| }; | |
| const sk_sp<SkColorSpace> kColorSpaces[] = { | |
| nullptr, | |
| SkColorSpace::MakeSRGB(), | |
| }; | |
| for (SkColorType dstCT : kColorTypes) { | |
| for (SkAlphaType dstAT: kAlphaTypes) { | |
| for (sk_sp<SkColorSpace> dstCS : kColorSpaces) { | |
| for (SkColorType srcCT : kColorTypes) { | |
| for (SkAlphaType srcAT: kAlphaTypes) { | |
| for (sk_sp<SkColorSpace> srcCS : kColorSpaces) { | |
| test_conversion(reporter, | |
| SkImageInfo::Make(kNumPixels, 1, dstCT, dstAT, dstCS), | |
| SkImageInfo::Make(kNumPixels, 1, srcCT, srcAT, srcCS)); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| static constexpr int min_rgb_channel_bits(SkColorType ct) { | |
| switch (ct) { | |
| case kUnknown_SkColorType: return 0; | |
| case kAlpha_8_SkColorType: return 0; | |
| case kA16_unorm_SkColorType: return 0; | |
| case kA16_float_SkColorType: return 0; | |
| case kRGB_565_SkColorType: return 5; | |
| case kARGB_4444_SkColorType: return 4; | |
| case kR8G8_unorm_SkColorType: return 8; | |
| case kR16G16_unorm_SkColorType: return 16; | |
| case kR16G16_float_SkColorType: return 16; | |
| case kRGBA_8888_SkColorType: return 8; | |
| case kRGB_888x_SkColorType: return 8; | |
| case kBGRA_8888_SkColorType: return 8; | |
| case kRGBA_1010102_SkColorType: return 10; | |
| case kRGB_101010x_SkColorType: return 10; | |
| case kGray_8_SkColorType: return 8; // counting gray as "rgb" | |
| case kRGBA_F16Norm_SkColorType: return 10; // just counting the mantissa | |
| case kRGBA_F16_SkColorType: return 10; // just counting the mantissa | |
| case kRGBA_F32_SkColorType: return 23; // just counting the mantissa | |
| case kR16G16B16A16_unorm_SkColorType: return 16; | |
| } | |
| SkUNREACHABLE; | |
| } | |
| static constexpr int alpha_channel_bits(SkColorType ct) { | |
| switch (ct) { | |
| case kUnknown_SkColorType: return 0; | |
| case kAlpha_8_SkColorType: return 8; | |
| case kA16_unorm_SkColorType: return 16; | |
| case kA16_float_SkColorType: return 16; | |
| case kRGB_565_SkColorType: return 0; | |
| case kARGB_4444_SkColorType: return 4; | |
| case kR8G8_unorm_SkColorType: return 0; | |
| case kR16G16_unorm_SkColorType: return 0; | |
| case kR16G16_float_SkColorType: return 0; | |
| case kRGBA_8888_SkColorType: return 8; | |
| case kRGB_888x_SkColorType: return 0; | |
| case kBGRA_8888_SkColorType: return 8; | |
| case kRGBA_1010102_SkColorType: return 2; | |
| case kRGB_101010x_SkColorType: return 0; | |
| case kGray_8_SkColorType: return 0; | |
| case kRGBA_F16Norm_SkColorType: return 10; // just counting the mantissa | |
| case kRGBA_F16_SkColorType: return 10; // just counting the mantissa | |
| case kRGBA_F32_SkColorType: return 23; // just counting the mantissa | |
| case kR16G16B16A16_unorm_SkColorType: return 16; | |
| } | |
| SkUNREACHABLE; | |
| } | |
| namespace { | |
| struct GpuReadPixelTestRules { | |
| // Test unpremul sources? We could omit this and detect that creating the source of the read | |
| // failed but having it lets us skip generating reference color data. | |
| bool fAllowUnpremulSrc = true; | |
| // Expect read function to succeed for kUnpremul? | |
| bool fAllowUnpremulRead = true; | |
| // Are reads that are overlapping but not contained by the src bounds expected to succeed? | |
| bool fUncontainedRectSucceeds = true; | |
| }; | |
| // Makes a src populated with the pixmap. The src should get its image info (or equivalent) from | |
| // the pixmap. | |
| template <typename T> using GpuSrcFactory = T(SkPixmap&); | |
| // Does a read from the T into the pixmap. | |
| template <typename T> using GpuReadSrcFn = bool(const T&, const SkIVector& offset, const SkPixmap&); | |
| } // anonymous namespace | |
| template <typename T> | |
| static void gpu_read_pixels_test_driver(skiatest::Reporter* reporter, | |
| const GpuReadPixelTestRules& rules, | |
| const std::function<GpuSrcFactory<T>>& srcFactory, | |
| const std::function<GpuReadSrcFn<T>>& read) { | |
| // Separate this out just to give it some line width to breathe. Note 'srcPixels' should have | |
| // the same image info as src. We will do a converting readPixels() on it to get the data | |
| // to compare with the results of 'read'. | |
| auto runTest = [&](const T& src, const SkPixmap& srcPixels, const SkImageInfo& readInfo, | |
| const SkIVector& offset) { | |
| const bool csConversion = | |
| !SkColorSpace::Equals(readInfo.colorSpace(), srcPixels.info().colorSpace()); | |
| const auto readCT = readInfo.colorType(); | |
| const auto readAT = readInfo.alphaType(); | |
| const auto srcCT = srcPixels.info().colorType(); | |
| const auto srcAT = srcPixels.info().alphaType(); | |
| const auto rect = SkIRect::MakeWH(readInfo.width(), readInfo.height()).makeOffset(offset); | |
| const auto surfBounds = SkIRect::MakeWH(srcPixels.width(), srcPixels.height()); | |
| const size_t readBpp = SkColorTypeBytesPerPixel(readCT); | |
| // Make the row bytes in the dst be loose for extra stress. | |
| const size_t dstRB = readBpp * readInfo.width() + 10 * readBpp; | |
| // This will make the last row tight. | |
| const size_t dstSize = readInfo.computeByteSize(dstRB); | |
| std::unique_ptr<char[]> dstData(new char[dstSize]); | |
| SkPixmap dstPixels(readInfo, dstData.get(), dstRB); | |
| // Initialize with an arbitrary value for each byte. Later we will check that only the | |
| // correct part of the destination gets overwritten by 'read'. | |
| static constexpr auto kInitialByte = static_cast<char>(0x1B); | |
| std::fill_n(static_cast<char*>(dstPixels.writable_addr()), | |
| dstPixels.computeByteSize(), | |
| kInitialByte); | |
| const bool success = read(src, offset, dstPixels); | |
| if (!SkIRect::Intersects(rect, surfBounds)) { | |
| REPORTER_ASSERT(reporter, !success); | |
| } else if (readCT == kUnknown_SkColorType) { | |
| REPORTER_ASSERT(reporter, !success); | |
| } else if (readAT == kUnknown_SkAlphaType) { | |
| REPORTER_ASSERT(reporter, !success); | |
| } else if (!rules.fUncontainedRectSucceeds && !surfBounds.contains(rect)) { | |
| REPORTER_ASSERT(reporter, !success); | |
| } else if (!rules.fAllowUnpremulRead && readAT == kUnpremul_SkAlphaType) { | |
| REPORTER_ASSERT(reporter, !success); | |
| } else if (!success) { | |
| // TODO: Support kRGB_101010x at all in GPU. | |
| if (readCT != kRGB_101010x_SkColorType) { | |
| ERRORF(reporter, | |
| "Read failed. Src CT: %s, Src AT: %s Read CT: %s, Read AT: %s, " | |
| "Rect [%d, %d, %d, %d], CS conversion: %d\n", | |
| ToolUtils::colortype_name(srcCT), ToolUtils::alphatype_name(srcAT), | |
| ToolUtils::colortype_name(readCT), ToolUtils::alphatype_name(readAT), | |
| rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, csConversion); | |
| } | |
| return; | |
| } | |
| bool guardOk = true; | |
| auto guardCheck = [](char x) { return x == kInitialByte; }; | |
| // Considering the rect we tried to read and the surface bounds figure out which pixels in | |
| // both src and dst space should actually have been read and written. | |
| SkIRect srcReadRect; | |
| if (success && srcReadRect.intersect(surfBounds, rect)) { | |
| SkIRect dstWriteRect = srcReadRect.makeOffset(-rect.fLeft, -rect.fTop); | |
| const bool lumConversion = | |
| !(SkColorTypeComponentFlags(srcCT) & kGray_SkColorTypeComponentFlag) && | |
| (SkColorTypeComponentFlags(readCT) & kGray_SkColorTypeComponentFlag); | |
| // A CS or luminance conversion allows a 3 value difference and otherwise a 2 value | |
| // difference. Note that sometimes read back on GPU can be lossy even when there no | |
| // conversion at allbecause GPU->CPU read may go to a lower bit depth format and then be | |
| // promoted back to the original type. For example, GL ES cannot read to 1010102, so we | |
| // go through 8888. | |
| const float numer = (lumConversion || csConversion) ? 3.f : 2.f; | |
| int rgbBits = std::min({min_rgb_channel_bits(readCT), | |
| min_rgb_channel_bits(srcCT), | |
| 8}); | |
| float tol = numer / (1 << rgbBits); | |
| float alphaTol = 0; | |
| if (readAT != kOpaque_SkAlphaType && srcAT != kOpaque_SkAlphaType) { | |
| const int alphaBits = std::min(alpha_channel_bits(readCT), | |
| alpha_channel_bits(srcCT)); | |
| alphaTol = 2.f / (1 << alphaBits); | |
| } | |
| const float tols[4] = {tol, tol, tol, alphaTol}; | |
| auto error = std::function<ComparePixmapsErrorReporter>([&](int x, int y, | |
| const float diffs[4]) { | |
| SkASSERT(x >= 0 && y >= 0); | |
| ERRORF(reporter, | |
| "Src CT: %s, Src AT: %s, Read CT: %s, Read AT: %s, Rect [%d, %d, %d, %d]" | |
| ", CS conversion: %d\n" | |
| "Error at %d, %d. Diff in floats: (%f, %f, %f %f)", | |
| ToolUtils::colortype_name(srcCT), ToolUtils::alphatype_name(srcAT), | |
| ToolUtils::colortype_name(readCT), ToolUtils::alphatype_name(readAT), | |
| rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, csConversion, x, y, | |
| diffs[0], diffs[1], diffs[2], diffs[3]); | |
| }); | |
| SkAutoPixmapStorage ref; | |
| ref.alloc(readInfo.makeWH(dstWriteRect.width(), dstWriteRect.height())); | |
| srcPixels.readPixels(ref, srcReadRect.x(), srcReadRect.y()); | |
| // This is the part of dstPixels that should have been updated. | |
| SkPixmap actual; | |
| SkAssertResult(dstPixels.extractSubset(&actual, dstWriteRect)); | |
| ComparePixels(ref, actual, tols, error); | |
| const auto* v = dstData.get(); | |
| const auto* end = dstData.get() + dstSize; | |
| guardOk = std::all_of(v, v + dstWriteRect.top() * dstPixels.rowBytes(), guardCheck); | |
| v += dstWriteRect.top() * dstPixels.rowBytes(); | |
| for (int y = dstWriteRect.top(); y < dstWriteRect.bottom(); ++y) { | |
| guardOk |= std::all_of(v, v + dstWriteRect.left() * readBpp, guardCheck); | |
| auto pad = v + dstWriteRect.right() * readBpp; | |
| auto rowEnd = std::min(end, v + dstPixels.rowBytes()); | |
| // min protects against reading past the end of the tight last row. | |
| guardOk |= std::all_of(pad, rowEnd, guardCheck); | |
| v = rowEnd; | |
| } | |
| guardOk |= std::all_of(v, end, guardCheck); | |
| } else { | |
| guardOk = std::all_of(dstData.get(), dstData.get() + dstSize, guardCheck); | |
| } | |
| if (!guardOk) { | |
| ERRORF(reporter, | |
| "Result pixels modified result outside read rect [%d, %d, %d, %d]. " | |
| "Src CT: %s, Read CT: %s, CS conversion: %d", | |
| rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, | |
| ToolUtils::colortype_name(srcCT), ToolUtils::colortype_name(readCT), | |
| csConversion); | |
| } | |
| }; | |
| static constexpr int kW = 16; | |
| static constexpr int kH = 16; | |
| // Makes the reference data that is used to populate the src. Always F32 regardless of srcCT. | |
| auto make_ref_f32_data = [](SkAlphaType srcAT, SkColorType srcCT) { | |
| // Make src data in F32 with srcAT. We will convert it to each color type we test to | |
| // initialize the src. | |
| const auto refInfo = | |
| SkImageInfo::Make(kW, kH, kRGBA_F32_SkColorType, srcAT, SkColorSpace::MakeSRGB()); | |
| auto refSurf = SkSurface::MakeRaster(refInfo); | |
| static constexpr SkPoint kPts1[] = {{0, 0}, {kW, kH}}; | |
| static constexpr SkColor kColors1[] = {SK_ColorGREEN, SK_ColorRED}; | |
| SkPaint paint; | |
| paint.setShader( | |
| SkGradientShader::MakeLinear(kPts1, kColors1, nullptr, 2, SkTileMode::kClamp)); | |
| refSurf->getCanvas()->drawPaint(paint); | |
| static constexpr SkPoint kPts2[] = {{kW, 0}, {0, kH}}; | |
| static constexpr SkColor kColors2[] = {SK_ColorBLUE, SK_ColorBLACK}; | |
| paint.setShader( | |
| SkGradientShader::MakeLinear(kPts2, kColors2, nullptr, 2, SkTileMode::kClamp)); | |
| paint.setBlendMode(SkBlendMode::kPlus); | |
| refSurf->getCanvas()->drawPaint(paint); | |
| // Keep everything opaque if the src alpha type is opaque. Also, there is an issue with | |
| // 1010102 (the only color type where the number of alpha bits is non-zero and not the | |
| // same as r, g, and b). Because of the different precisions the draw below can create | |
| // data that isn't strictly premul (e.g. alpha is 1/3 but green is .4). SW will clamp | |
| // r, g, b to a if the dst is premul and a different color type. GPU doesn't do this. | |
| // We could but 1010102 premul is kind of dubious anyway. So for now just keep the data | |
| // opaque. | |
| if (srcAT != kOpaque_SkAlphaType && | |
| (srcAT == kPremul_SkAlphaType && srcCT != kRGBA_1010102_SkColorType)) { | |
| static constexpr SkColor kColors3[] = {SK_ColorWHITE, | |
| SK_ColorWHITE, | |
| 0x60FFFFFF, | |
| SK_ColorWHITE, | |
| SK_ColorWHITE}; | |
| static constexpr SkScalar kPos3[] = {0.f, 0.15f, 0.5f, 0.85f, 1.f}; | |
| paint.setShader(SkGradientShader::MakeRadial({kW / 2.f, kH / 2.f}, (kW + kH) / 10.f, | |
| kColors3, kPos3, 5, SkTileMode::kMirror)); | |
| paint.setBlendMode(SkBlendMode::kDstIn); | |
| refSurf->getCanvas()->drawPaint(paint); | |
| } | |
| const auto srcInfo = SkImageInfo::Make(kW, kH, srcCT, srcAT, SkColorSpace::MakeSRGB()); | |
| SkAutoPixmapStorage srcPixels; | |
| srcPixels.alloc(srcInfo); | |
| refSurf->readPixels(srcPixels, 0, 0); | |
| return std::move(srcPixels); | |
| }; | |
| for (int sat = 0; sat < kLastEnum_SkAlphaType; ++sat) { | |
| const auto srcAT = static_cast<SkAlphaType>(sat); | |
| if (srcAT == kUnknown_SkAlphaType || | |
| (srcAT == kUnpremul_SkAlphaType && !rules.fAllowUnpremulSrc)) { | |
| continue; | |
| } | |
| for (int sct = 0; sct <= kLastEnum_SkColorType; ++sct) { | |
| const auto srcCT = static_cast<SkColorType>(sct); | |
| // Note that we only currently use srcCT for a 1010102 workaround. If we remove this we | |
| // can also but the ref data setup above the srcCT loop. | |
| SkAutoPixmapStorage srcPixels = make_ref_f32_data(srcAT, srcCT); | |
| auto src = srcFactory(srcPixels); | |
| if (!src) { | |
| continue; | |
| } | |
| for (int rct = 0; rct <= kLastEnum_SkColorType; ++rct) { | |
| const auto readCT = static_cast<SkColorType>(rct); | |
| for (const sk_sp<SkColorSpace>& readCS : | |
| {SkColorSpace::MakeSRGB(), SkColorSpace::MakeSRGBLinear()}) { | |
| for (int at = 0; at <= kLastEnum_SkAlphaType; ++at) { | |
| const auto readAT = static_cast<SkAlphaType>(at); | |
| if (srcAT != kOpaque_SkAlphaType && readAT == kOpaque_SkAlphaType) { | |
| // This doesn't make sense. | |
| continue; | |
| } | |
| // Test full size, partial, empty, and too wide rects. | |
| for (const auto& rect : { | |
| // entire thing | |
| SkIRect::MakeWH(kW, kH), | |
| // larger on all sides | |
| SkIRect::MakeLTRB(-10, -10, kW + 10, kH + 10), | |
| // fully contained | |
| SkIRect::MakeLTRB(kW / 4, kH / 4, 3 * kW / 4, 3 * kH / 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, kW / 4, kH / 4), | |
| // overlapping top left and top right corners | |
| SkIRect::MakeLTRB(-10, -10, kW + 10, kH / 4), | |
| // touching entire top edge | |
| SkIRect::MakeLTRB(-10, -10, kW + 10, 0), | |
| // overlapping top right corner | |
| SkIRect::MakeLTRB(3 * kW / 4, -10, kW + 10, kH / 4), | |
| // contained in x, overlapping top edge | |
| SkIRect::MakeLTRB(kW / 4, -10, 3 * kW / 4, kH / 4), | |
| // outside top right corner | |
| SkIRect::MakeLTRB(kW + 1, -10, kW + 10, -1), | |
| // touching top right corner | |
| SkIRect::MakeLTRB(kW, -10, kW + 10, 0), | |
| // overlapping top left and bottom left corners | |
| SkIRect::MakeLTRB(-10, -10, kW / 4, kH + 10), | |
| // touching entire left edge | |
| SkIRect::MakeLTRB(-10, -10, 0, kH + 10), | |
| // overlapping bottom left corner | |
| SkIRect::MakeLTRB(-10, 3 * kH / 4, kW / 4, kH + 10), | |
| // contained in y, overlapping left edge | |
| SkIRect::MakeLTRB(-10, kH / 4, kW / 4, 3 * kH / 4), | |
| // outside bottom left corner | |
| SkIRect::MakeLTRB(-10, kH + 1, -1, kH + 10), | |
| // touching bottom left corner | |
| SkIRect::MakeLTRB(-10, kH, 0, kH + 10), | |
| // overlapping bottom left and bottom right corners | |
| SkIRect::MakeLTRB(-10, 3 * kH / 4, kW + 10, kH + 10), | |
| // touching entire left edge | |
| SkIRect::MakeLTRB(0, kH, kW, kH + 10), | |
| // overlapping bottom right corner | |
| SkIRect::MakeLTRB(3 * kW / 4, 3 * kH / 4, kW + 10, kH + 10), | |
| // overlapping top right and bottom right corners | |
| SkIRect::MakeLTRB(3 * kW / 4, -10, kW + 10, kH + 10), | |
| }) { | |
| const auto readInfo = SkImageInfo::Make(rect.width(), rect.height(), | |
| readCT, readAT, readCS); | |
| const SkIVector offset = rect.topLeft(); | |
| runTest(src, srcPixels, readInfo, offset); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| namespace { | |
| struct AsyncContext { | |
| bool fCalled = false; | |
| std::unique_ptr<const SkSurface::AsyncReadResult> fResult; | |
| }; | |
| } // anonymous namespace | |
| // Making this a lambda in the test functions caused: | |
| // "error: cannot compile this forwarded non-trivially copyable parameter yet" | |
| // on x86/Win/Clang bot, referring to 'result'. | |
| static void async_callback(void* c, std::unique_ptr<const SkSurface::AsyncReadResult> result) { | |
| auto context = static_cast<AsyncContext*>(c); | |
| context->fResult = std::move(result); | |
| context->fCalled = true; | |
| }; | |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(AsyncReadPixels, reporter, ctxInfo) { | |
| using Surface = sk_sp<SkSurface>; | |
| auto reader = std::function<GpuReadSrcFn<Surface>>([](const Surface& surface, | |
| const SkIVector& offset, | |
| const SkPixmap& pixels) { | |
| AsyncContext context; | |
| auto rect = SkIRect::MakeSize(pixels.dimensions()).makeOffset(offset); | |
| // Rescale quality and linearity don't matter since we're doing a non-scaling readback. | |
| surface->asyncRescaleAndReadPixels(pixels.info(), rect, SkSurface::RescaleGamma::kSrc, | |
| kNone_SkFilterQuality, async_callback, &context); | |
| while (!context.fCalled) { | |
| surface->getCanvas()->getGrContext()->checkAsyncWorkCompletion(); | |
| } | |
| if (!context.fResult) { | |
| return false; | |
| } | |
| SkRectMemcpy(pixels.writable_addr(), pixels.rowBytes(), context.fResult->data(0), | |
| context.fResult->rowBytes(0), pixels.info().minRowBytes(), pixels.height()); | |
| return true; | |
| }); | |
| GpuReadPixelTestRules rules; | |
| rules.fAllowUnpremulSrc = false; | |
| rules.fAllowUnpremulRead = false; | |
| rules.fUncontainedRectSucceeds = false; | |
| for (GrSurfaceOrigin origin : {kTopLeft_GrSurfaceOrigin, kBottomLeft_GrSurfaceOrigin}) { | |
| auto factory = std::function<GpuSrcFactory<Surface>>( | |
| [context = ctxInfo.grContext(), origin](const SkPixmap& src) { | |
| if (src.colorType() == kRGB_888x_SkColorType) { | |
| return Surface(); | |
| } | |
| auto surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, src.info(), | |
| 0, origin, nullptr); | |
| if (surf) { | |
| surf->writePixels(src, 0, 0); | |
| } | |
| return surf; | |
| }); | |
| gpu_read_pixels_test_driver(reporter, rules, factory, reader); | |
| } | |
| } | |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ReadPixels_Gpu, reporter, ctxInfo) { | |
| using Surface = sk_sp<SkSurface>; | |
| auto reader = std::function<GpuReadSrcFn<Surface>>( | |
| [](const Surface& surface, const SkIVector& offset, const SkPixmap& pixels) { | |
| return surface->readPixels(pixels, offset.fX, offset.fY); | |
| }); | |
| GpuReadPixelTestRules rules; | |
| rules.fAllowUnpremulSrc = false; | |
| rules.fAllowUnpremulRead = true; | |
| rules.fUncontainedRectSucceeds = true; | |
| for (GrSurfaceOrigin origin : {kTopLeft_GrSurfaceOrigin, kBottomLeft_GrSurfaceOrigin}) { | |
| auto factory = std::function<GpuSrcFactory<Surface>>( | |
| [context = ctxInfo.grContext(), origin](const SkPixmap& src) { | |
| if (src.colorType() == kRGB_888x_SkColorType) { | |
| return Surface(); | |
| } | |
| auto surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, src.info(), | |
| 0, origin, nullptr); | |
| if (surf) { | |
| surf->writePixels(src, 0, 0); | |
| } | |
| return surf; | |
| }); | |
| gpu_read_pixels_test_driver(reporter, rules, factory, reader); | |
| } | |
| } | |
| DEF_GPUTEST(AsyncReadPixelsContextShutdown, reporter, options) { | |
| const auto ii = SkImageInfo::Make(10, 10, kRGBA_8888_SkColorType, kPremul_SkAlphaType, | |
| SkColorSpace::MakeSRGB()); | |
| enum class ShutdownSequence { | |
| kFreeResult_DestroyContext, | |
| kDestroyContext_FreeResult, | |
| kFreeResult_ReleaseAndAbandon_DestroyContext, | |
| kFreeResult_Abandon_DestroyContext, | |
| kReleaseAndAbandon_FreeResult_DestroyContext, | |
| kAbandon_FreeResult_DestroyContext, | |
| kReleaseAndAbandon_DestroyContext_FreeResult, | |
| kAbandon_DestroyContext_FreeResult, | |
| }; | |
| for (int t = 0; t < sk_gpu_test::GrContextFactory::kContextTypeCnt; ++t) { | |
| auto type = static_cast<sk_gpu_test::GrContextFactory::ContextType>(t); | |
| for (auto sequence : {ShutdownSequence::kFreeResult_DestroyContext, | |
| ShutdownSequence::kDestroyContext_FreeResult, | |
| ShutdownSequence::kFreeResult_ReleaseAndAbandon_DestroyContext, | |
| ShutdownSequence::kFreeResult_Abandon_DestroyContext, | |
| ShutdownSequence::kReleaseAndAbandon_FreeResult_DestroyContext, | |
| ShutdownSequence::kAbandon_FreeResult_DestroyContext, | |
| ShutdownSequence::kReleaseAndAbandon_DestroyContext_FreeResult, | |
| ShutdownSequence::kAbandon_DestroyContext_FreeResult}) { | |
| // Vulkan context abandoning without resource release has issues outside of the scope of | |
| // this test. | |
| if (type == sk_gpu_test::GrContextFactory::kVulkan_ContextType && | |
| (sequence == ShutdownSequence::kAbandon_FreeResult_DestroyContext || | |
| sequence == ShutdownSequence::kAbandon_DestroyContext_FreeResult || | |
| sequence == ShutdownSequence::kFreeResult_Abandon_DestroyContext)) { | |
| continue; | |
| } | |
| for (bool yuv : {false, true}) { | |
| sk_gpu_test::GrContextFactory factory(options); | |
| auto context = factory.get(type); | |
| if (!context) { | |
| continue; | |
| } | |
| // This test is only meaningful for contexts that support transfer buffers. | |
| if (!context->priv().caps()->transferBufferSupport()) { | |
| continue; | |
| } | |
| auto surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, ii, 1, nullptr); | |
| if (!surf) { | |
| continue; | |
| } | |
| AsyncContext cbContext; | |
| if (yuv) { | |
| surf->asyncRescaleAndReadPixelsYUV420( | |
| kIdentity_SkYUVColorSpace, SkColorSpace::MakeSRGB(), ii.bounds(), | |
| ii.dimensions(), SkSurface::RescaleGamma::kSrc, kNone_SkFilterQuality, | |
| &async_callback, &cbContext); | |
| } else { | |
| surf->asyncRescaleAndReadPixels(ii, ii.bounds(), SkSurface::RescaleGamma::kSrc, | |
| kNone_SkFilterQuality, &async_callback, | |
| &cbContext); | |
| } | |
| while (!cbContext.fCalled) { | |
| context->checkAsyncWorkCompletion(); | |
| } | |
| if (!cbContext.fResult) { | |
| ERRORF(reporter, "Callback failed on %s. is YUV: %d", | |
| sk_gpu_test::GrContextFactory::ContextTypeName(type), yuv); | |
| continue; | |
| } | |
| // The real test is that we don't crash, get Vulkan validation errors, etc, during | |
| // this shutdown sequence. | |
| switch (sequence) { | |
| case ShutdownSequence::kFreeResult_DestroyContext: | |
| case ShutdownSequence::kFreeResult_ReleaseAndAbandon_DestroyContext: | |
| case ShutdownSequence::kFreeResult_Abandon_DestroyContext: | |
| break; | |
| case ShutdownSequence::kDestroyContext_FreeResult: | |
| factory.destroyContexts(); | |
| break; | |
| case ShutdownSequence::kReleaseAndAbandon_FreeResult_DestroyContext: | |
| factory.releaseResourcesAndAbandonContexts(); | |
| break; | |
| case ShutdownSequence::kAbandon_FreeResult_DestroyContext: | |
| factory.abandonContexts(); | |
| break; | |
| case ShutdownSequence::kReleaseAndAbandon_DestroyContext_FreeResult: | |
| factory.releaseResourcesAndAbandonContexts(); | |
| factory.destroyContexts(); | |
| break; | |
| case ShutdownSequence::kAbandon_DestroyContext_FreeResult: | |
| factory.abandonContexts(); | |
| factory.destroyContexts(); | |
| break; | |
| } | |
| cbContext.fResult.reset(); | |
| switch (sequence) { | |
| case ShutdownSequence::kFreeResult_ReleaseAndAbandon_DestroyContext: | |
| factory.releaseResourcesAndAbandonContexts(); | |
| break; | |
| case ShutdownSequence::kFreeResult_Abandon_DestroyContext: | |
| factory.abandonContexts(); | |
| break; | |
| case ShutdownSequence::kFreeResult_DestroyContext: | |
| case ShutdownSequence::kDestroyContext_FreeResult: | |
| case ShutdownSequence::kReleaseAndAbandon_FreeResult_DestroyContext: | |
| case ShutdownSequence::kAbandon_FreeResult_DestroyContext: | |
| case ShutdownSequence::kReleaseAndAbandon_DestroyContext_FreeResult: | |
| case ShutdownSequence::kAbandon_DestroyContext_FreeResult: | |
| break; | |
| } | |
| } | |
| } | |
| } | |
| } |