/* * Copyright 2019 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/SkSurface.h" #include "include/gpu/GrContext.h" #include "src/gpu/GrContextPriv.h" #include "include/core/SkSurface.h" #include "src/core/SkAutoPixmapStorage.h" #include "src/image/SkImage_Base.h" #include "tests/Test.h" #ifdef SK_GL #include "src/gpu/gl/GrGLGpu.h" #include "src/gpu/gl/GrGLUtil.h" #endif // Test wrapping of GrBackendObjects in SkSurfaces and SkImages void test_wrapping(GrContext* context, skiatest::Reporter* reporter, std::function create, SkColorType colorType, GrMipMapped mipMapped, GrRenderable renderable) { GrResourceCache* cache = context->priv().getResourceCache(); const int initialCount = cache->getResourceCount(); GrBackendTexture backendTex = create(context, mipMapped, renderable); if (!backendTex.isValid()) { ERRORF(reporter, "Couldn't create backendTexture for colorType %d renderable %s\n", colorType, GrRenderable::kYes == renderable ? "yes" : "no"); return; } // Skia proper should know nothing about the new backend object REPORTER_ASSERT(reporter, initialCount == cache->getResourceCount()); if (kUnknown_SkColorType == colorType) { context->deleteBackendTexture(backendTex); return; } if (GrRenderable::kYes == renderable) { sk_sp surf = SkSurface::MakeFromBackendTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, 0, colorType, nullptr, nullptr); if (!surf) { ERRORF(reporter, "Couldn't make surface from backendTexture for colorType %d\n", colorType); } else { REPORTER_ASSERT(reporter, initialCount+1 == cache->getResourceCount()); } } { sk_sp img = SkImage::MakeFromTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, colorType, kPremul_SkAlphaType, nullptr); if (!img) { ERRORF(reporter, "Couldn't make image from backendTexture for colorType %d\n", colorType); } else { SkImage_Base* ib = as_IB(img); GrTextureProxy* proxy = ib->peekProxy(); REPORTER_ASSERT(reporter, proxy); REPORTER_ASSERT(reporter, mipMapped == proxy->proxyMipMapped()); REPORTER_ASSERT(reporter, proxy->isInstantiated()); REPORTER_ASSERT(reporter, mipMapped == proxy->mipMapped()); REPORTER_ASSERT(reporter, initialCount+1 == cache->getResourceCount()); } } REPORTER_ASSERT(reporter, initialCount == cache->getResourceCount()); context->deleteBackendTexture(backendTex); } static bool colors_eq(SkColor colA, SkColor colB, int tol) { int maxDiff = 0; for (int i = 0; i < 4; ++i) { int diff = SkTAbs((0xFF & (colA >> i*8)) - (0xFF & (colB >> i*8))); if (maxDiff < diff) { maxDiff = diff; } } return maxDiff <= tol; } static void compare_pixmaps(const SkPixmap& expected, const SkPixmap& actual, SkColorType colorType, skiatest::Reporter* reporter) { SkASSERT(expected.info() == actual.info()); for (int y = 0; y < expected.height(); ++y) { for (int x = 0; x < expected.width(); ++x) { SkColor expectedCol = expected.getColor(x, y); SkColor actualCol = actual.getColor(x, y); // GPU and raster differ a bit on kGray_8_SkColorType and kRGBA_1010102_SkColorType if (colors_eq(actualCol, expectedCol, 12)) { continue; } ERRORF(reporter, "Mismatched pixels at %d %d ct: %d expected: 0x%x actual: 0x%x\n", x, y, colorType, expectedCol, actualCol); return; } } } // Test initialization of GrBackendObjects to a specific color void test_color_init(GrContext* context, skiatest::Reporter* reporter, std::function create, SkColorType colorType, const SkColor4f& color, GrMipMapped mipMapped, GrRenderable renderable) { GrBackendTexture backendTex = create(context, color, mipMapped, renderable); if (!backendTex.isValid()) { // errors here should be reported by the test_wrapping test return; } if (kUnknown_SkColorType == colorType) { // TODO: burrow in and scrappily check that data was uploaded! context->deleteBackendTexture(backendTex); return; } SkAlphaType at = SkColorTypeIsAlwaysOpaque(colorType) ? kOpaque_SkAlphaType : kPremul_SkAlphaType; SkImageInfo ii = SkImageInfo::Make(32, 32, colorType, at); SkColor4f rasterColor = color; if (kGray_8_SkColorType == colorType) { // For the GPU backends, gray implies a single channel which is opaque. rasterColor.fR = color.fA; rasterColor.fG = color.fA; rasterColor.fB = color.fA; rasterColor.fA = 1.0f; } else if (kAlpha_8_SkColorType == colorType) { // For the GPU backends, alpha implies a single alpha channel. rasterColor.fR = 0; rasterColor.fG = 0; rasterColor.fB = 0; rasterColor.fA = color.fA; } SkAutoPixmapStorage expected; SkAssertResult(expected.tryAlloc(ii)); expected.erase(rasterColor); SkAutoPixmapStorage actual; SkAssertResult(actual.tryAlloc(ii)); actual.erase(SkColors::kTransparent); if (GrRenderable::kYes == renderable) { sk_sp surf = SkSurface::MakeFromBackendTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, 0, colorType, nullptr, nullptr); if (surf) { bool result = surf->readPixels(actual, 0, 0); REPORTER_ASSERT(reporter, result); compare_pixmaps(expected, actual, colorType, reporter); actual.erase(SkColors::kTransparent); } } { sk_sp img = SkImage::MakeFromTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, colorType, at, nullptr); if (img) { // If possible, read back the pixels and check that they're correct { bool result = img->readPixels(actual, 0, 0); if (!result) { // TODO: we need a better way to tell a priori if readPixels will work for an // arbitrary colorType #if 0 ERRORF(reporter, "Couldn't readback from SkImage for colorType: %d\n", colorType); #endif } else { compare_pixmaps(expected, actual, colorType, reporter); } } // Draw the wrapped image into an RGBA surface attempting to access all the // mipMap levels. { #ifdef SK_GL // skbug.com/9141 (RGBA_F32 mipmaps appear to be broken on some Mali devices) if (GrBackendApi::kOpenGL == context->backend()) { GrGLGpu* glGPU = static_cast(context->priv().getGpu()); if (kRGBA_F32_SkColorType == colorType && GrMipMapped::kYes == mipMapped && kGLES_GrGLStandard == glGPU->ctxInfo().standard()) { context->deleteBackendTexture(backendTex); return; } } #endif SkImageInfo newII = SkImageInfo::Make(32, 32, kRGBA_8888_SkColorType, kPremul_SkAlphaType); SkAutoPixmapStorage actual2; SkAssertResult(actual2.tryAlloc(newII)); actual2.erase(SkColors::kTransparent); sk_sp surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, newII, 1, kTopLeft_GrSurfaceOrigin, nullptr); if (!surf) { context->deleteBackendTexture(backendTex); return; } SkCanvas* canvas = surf->getCanvas(); SkPaint p; p.setFilterQuality(kHigh_SkFilterQuality); int numMipLevels = (GrMipMapped::kYes == mipMapped) ? 6 : 1; for (int i = 0, rectSize = 32; i < numMipLevels; ++i, rectSize /= 2) { SkASSERT(rectSize >= 1); SkRect r = SkRect::MakeWH(rectSize, rectSize); canvas->clear(SK_ColorTRANSPARENT); canvas->drawImageRect(img, r, &p); bool result = surf->readPixels(actual2, 0, 0); REPORTER_ASSERT(reporter, result); SkColor actualColor = actual2.getColor(0, 0); if (!colors_eq(actualColor, rasterColor.toSkColor(), 1)) { ERRORF(reporter, "Pixel mismatch colorType %d: level: %d e: 0x%x a: 0x%x\n", colorType, i, rasterColor.toSkColor(), actualColor); } } } } } context->deleteBackendTexture(backendTex); } /////////////////////////////////////////////////////////////////////////////// DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ColorTypeBackendAllocationTest, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); const GrCaps* caps = context->priv().caps(); constexpr SkColor4f kTransCol { 0, 0.25f, 0.75f, 0.5f }; constexpr SkColor4f kGrayCol { 0.75f, 0.75f, 0.75f, 0.75f }; struct { SkColorType fColorType; GrPixelConfig fConfig; SkColor4f fColor; } combinations[] = { { kAlpha_8_SkColorType, kAlpha_8_GrPixelConfig, kTransCol }, { kRGB_565_SkColorType, kRGB_565_GrPixelConfig, SkColors::kRed }, { kARGB_4444_SkColorType, kRGBA_4444_GrPixelConfig, SkColors::kGreen }, { kRGBA_8888_SkColorType, kRGBA_8888_GrPixelConfig, SkColors::kBlue }, { kRGB_888x_SkColorType, kRGB_888_GrPixelConfig, SkColors::kCyan }, // TODO: readback is busted when alpha = 0.5f (perhaps premul vs. unpremul) { kBGRA_8888_SkColorType, kBGRA_8888_GrPixelConfig, { 1, 0, 0, 1.0f } }, // TODO: readback is busted when alpha = 0.5f (perhaps premul vs. unpremul) { kRGBA_1010102_SkColorType, kRGBA_1010102_GrPixelConfig, { 0.5f, 0, 0, 1.0f }}, // The kRGB_101010x_SkColorType has no Ganesh correlate { kRGB_101010x_SkColorType, kUnknown_GrPixelConfig, { 0, 0.5f, 0, 0.5f }}, { kGray_8_SkColorType, kGray_8_GrPixelConfig, kGrayCol }, { kRGBA_F16Norm_SkColorType, kRGBA_half_Clamped_GrPixelConfig, SkColors::kLtGray }, { kRGBA_F16_SkColorType, kRGBA_half_GrPixelConfig, SkColors::kYellow }, { kRGBA_F32_SkColorType, kRGBA_float_GrPixelConfig, SkColors::kGray }, }; SkASSERT(kLastEnum_SkColorType == SK_ARRAY_COUNT(combinations)); for (auto combo : combinations) { SkColorType colorType = combo.fColorType; if (!caps->isConfigTexturable(combo.fConfig)) { continue; } if (GrBackendApi::kMetal == context->backend()) { // skbug.com/9086 (Metal caps may not be handling RGBA32 correctly) if (kRGBA_F32_SkColorType == combo.fColorType) { continue; } } for (auto mipMapped : { GrMipMapped::kNo, GrMipMapped::kYes }) { if (GrMipMapped::kYes == mipMapped && !caps->mipMapSupport()) { continue; } for (auto renderable : { GrRenderable::kNo, GrRenderable::kYes }) { if (GrRenderable::kYes == renderable) { if (kRGB_888x_SkColorType == combo.fColorType) { // Ganesh can't perform the blends correctly when rendering this format continue; } if (!caps->isConfigRenderable(combo.fConfig)) { continue; } } { auto uninitCreateMtd = [colorType](GrContext* context, GrMipMapped mipMapped, GrRenderable renderable) { return context->createBackendTexture(32, 32, colorType, mipMapped, renderable); }; test_wrapping(context, reporter, uninitCreateMtd, colorType, mipMapped, renderable); } { // GL has difficulties reading back from these combinations. In particular, // reading back kGray_8 is a mess. if (GrBackendApi::kOpenGL == context->backend()) { if (kAlpha_8_SkColorType == combo.fColorType || kGray_8_SkColorType == combo.fColorType) { continue; } } else if (GrBackendApi::kMetal == context->backend()) { // Not yet implemented for Metal continue; } auto createWithColorMtd = [colorType](GrContext* context, const SkColor4f& color, GrMipMapped mipMapped, GrRenderable renderable) { return context->createBackendTexture(32, 32, colorType, color, mipMapped, renderable); }; test_color_init(context, reporter, createWithColorMtd, colorType, combo.fColor, mipMapped, renderable); } } } } } /////////////////////////////////////////////////////////////////////////////// #ifdef SK_GL #include "src/gpu/gl/GrGLCaps.h" #include "src/gpu/gl/GrGLDefines.h" DEF_GPUTEST_FOR_ALL_GL_CONTEXTS(GLBackendAllocationTest, reporter, ctxInfo) { sk_gpu_test::GLTestContext* glCtx = ctxInfo.glContext(); GrGLStandard standard = glCtx->gl()->fStandard; GrContext* context = ctxInfo.grContext(); const GrGLCaps* glCaps = static_cast(context->priv().caps()); constexpr SkColor4f kTransCol { 0, 0.25f, 0.75f, 0.5f }; constexpr SkColor4f kGrayCol { 0.75f, 0.75f, 0.75f, 0.75f }; struct { SkColorType fColorType; GrGLenum fFormat; // TODO: remove 'fConfig' and directly use 'fFormat' in GrGLCaps::isFormatTexturable GrPixelConfig fConfig; SkColor4f fColor; } combinations[] = { { kRGBA_8888_SkColorType, GR_GL_RGBA8, kRGBA_8888_GrPixelConfig, SkColors::kRed }, { kRGBA_8888_SkColorType, GR_GL_SRGB8_ALPHA8, kSRGBA_8888_GrPixelConfig, SkColors::kRed }, { kRGB_888x_SkColorType, GR_GL_RGBA8, kRGBA_8888_GrPixelConfig, SkColors::kYellow }, { kRGB_888x_SkColorType, GR_GL_RGB8, kRGB_888_GrPixelConfig, SkColors::kCyan }, { kBGRA_8888_SkColorType, GR_GL_RGBA8, kRGBA_8888_GrPixelConfig, SkColors::kBlue }, { kBGRA_8888_SkColorType, GR_GL_BGRA8, kBGRA_8888_GrPixelConfig, SkColors::kBlue }, { kBGRA_8888_SkColorType, GR_GL_SRGB8_ALPHA8, kSBGRA_8888_GrPixelConfig, SkColors::kCyan }, { kRGBA_1010102_SkColorType, GR_GL_RGB10_A2, // TODO: readback is busted when alpha = 0.5f (perhaps premul vs. unpremul) kRGBA_1010102_GrPixelConfig, { 0.5f, 0, 0, 1.0f }}, { kRGB_565_SkColorType, GR_GL_RGB565, kRGB_565_GrPixelConfig, SkColors::kRed }, { kARGB_4444_SkColorType, GR_GL_RGBA4, kRGBA_4444_GrPixelConfig, SkColors::kGreen }, { kAlpha_8_SkColorType, GR_GL_ALPHA8, kAlpha_8_as_Alpha_GrPixelConfig, kTransCol }, { kAlpha_8_SkColorType, GR_GL_R8, kAlpha_8_as_Red_GrPixelConfig, kTransCol }, { kGray_8_SkColorType, GR_GL_LUMINANCE8, kGray_8_as_Lum_GrPixelConfig, kGrayCol }, { kGray_8_SkColorType, GR_GL_R8, kGray_8_as_Red_GrPixelConfig, kGrayCol }, { kRGBA_F32_SkColorType, GR_GL_RGBA32F, kRGBA_float_GrPixelConfig, SkColors::kRed }, { kRGBA_F16Norm_SkColorType, GR_GL_RGBA16F, kRGBA_half_Clamped_GrPixelConfig, SkColors::kLtGray }, { kRGBA_F16_SkColorType, GR_GL_RGBA16F, kRGBA_half_GrPixelConfig, SkColors::kYellow }, // These backend formats don't have SkColorType equivalents { kUnknown_SkColorType, GR_GL_RG32F, kRG_float_GrPixelConfig, { 0.7f, 0.7f, 0, 0 }}, { kUnknown_SkColorType, GR_GL_RG8, kRG_88_GrPixelConfig, { 0.5f, 0.5f, 0, 0 }}, { kUnknown_SkColorType, GR_GL_R16F, kAlpha_half_as_Red_GrPixelConfig, { 1.0f, 0, 0, 0.5f }}, { kUnknown_SkColorType, GR_GL_COMPRESSED_RGB8_ETC2, kRGB_ETC1_GrPixelConfig, SkColors::kRed }, { kUnknown_SkColorType, GR_GL_COMPRESSED_ETC1_RGB8, kRGB_ETC1_GrPixelConfig, SkColors::kRed }, }; for (auto combo : combinations) { if (kRGB_ETC1_GrPixelConfig == combo.fConfig) { // RGB8_ETC2/ETC1_RGB8 is an either/or situation GrGLenum supportedETC1Format = glCaps->configSizedInternalFormat(combo.fConfig); if (supportedETC1Format != combo.fFormat) { continue; } } GrBackendFormat format = GrBackendFormat::MakeGL(combo.fFormat, GR_GL_TEXTURE_2D); if (GR_GL_COMPRESSED_RGB8_ETC2 == combo.fFormat || GR_GL_COMPRESSED_ETC1_RGB8 == combo.fFormat) { // We current disallow uninitialized ETC1 textures in the GL backend continue; } if (!glCaps->isConfigTexturable(combo.fConfig)) { continue; } if (kBGRA_8888_SkColorType == combo.fColorType) { if (GR_GL_RGBA8 == combo.fFormat && kGL_GrGLStandard != standard) { continue; } if (GR_GL_BGRA8 == combo.fFormat && kGL_GrGLStandard == standard) { continue; } } for (auto mipMapped : { GrMipMapped::kNo, GrMipMapped::kYes }) { if (GrMipMapped::kYes == mipMapped && !glCaps->mipMapSupport()) { continue; } for (auto renderable : { GrRenderable::kNo, GrRenderable::kYes }) { if (GrRenderable::kYes == renderable) { if (kRGB_888x_SkColorType == combo.fColorType) { // Ganesh can't perform the blends correctly when rendering this format continue; } if (!glCaps->isConfigRenderable(combo.fConfig)) { continue; } } { auto uninitCreateMtd = [format](GrContext* context, GrMipMapped mipMapped, GrRenderable renderable) { return context->createBackendTexture(32, 32, format, mipMapped, renderable); }; test_wrapping(context, reporter, uninitCreateMtd, combo.fColorType, mipMapped, renderable); } { // GL has difficulties reading back from these combinations if (kAlpha_8_SkColorType == combo.fColorType) { continue; } if (GrRenderable::kYes != renderable) { continue; } auto createWithColorMtd = [format](GrContext* context, const SkColor4f& color, GrMipMapped mipMapped, GrRenderable renderable) { return context->createBackendTexture(32, 32, format, color, mipMapped, renderable); }; test_color_init(context, reporter, createWithColorMtd, combo.fColorType, combo.fColor, mipMapped, renderable); } } } } } #endif /////////////////////////////////////////////////////////////////////////////// #ifdef SK_VULKAN #include "src/gpu/vk/GrVkCaps.h" DEF_GPUTEST_FOR_VULKAN_CONTEXT(VkBackendAllocationTest, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); const GrVkCaps* vkCaps = static_cast(context->priv().caps()); constexpr SkColor4f kTransCol { 0, 0.25f, 0.75f, 0.5f }; constexpr SkColor4f kGrayCol { 0.75f, 0.75f, 0.75f, 0.75f }; struct { SkColorType fColorType; VkFormat fFormat; SkColor4f fColor; } combinations[] = { { kRGBA_8888_SkColorType, VK_FORMAT_R8G8B8A8_UNORM, SkColors::kRed }, { kRGBA_8888_SkColorType, VK_FORMAT_R8G8B8A8_SRGB, SkColors::kRed }, // In this configuration (i.e., an RGB_888x colortype with an RGBA8 backing format), // there is nothing to tell Skia to make the provided color opaque. Clients will need // to provide an opaque initialization color in this case. { kRGB_888x_SkColorType, VK_FORMAT_R8G8B8A8_UNORM, SkColors::kYellow }, { kRGB_888x_SkColorType, VK_FORMAT_R8G8B8_UNORM, SkColors::kCyan }, { kBGRA_8888_SkColorType, VK_FORMAT_B8G8R8A8_UNORM, SkColors::kBlue }, { kBGRA_8888_SkColorType, VK_FORMAT_B8G8R8A8_SRGB, SkColors::kCyan }, { kRGBA_1010102_SkColorType, VK_FORMAT_A2B10G10R10_UNORM_PACK32, { 0.5f, 0, 0, 1.0f } }, { kRGB_565_SkColorType, VK_FORMAT_R5G6B5_UNORM_PACK16, SkColors::kRed }, { kARGB_4444_SkColorType, VK_FORMAT_R4G4B4A4_UNORM_PACK16, SkColors::kGreen }, { kARGB_4444_SkColorType, VK_FORMAT_B4G4R4A4_UNORM_PACK16, SkColors::kYellow }, { kAlpha_8_SkColorType, VK_FORMAT_R8_UNORM, kTransCol }, // In this config (i.e., a Gray8 color type with an R8 backing format), there is nothing // to tell Skia this isn't an Alpha8 color type (so it will initialize the texture with // the alpha channel of the color). Clients should, in general, fill all the channels // of the provided color with the same value in such cases. { kGray_8_SkColorType, VK_FORMAT_R8_UNORM, kGrayCol }, { kRGBA_F32_SkColorType, VK_FORMAT_R32G32B32A32_SFLOAT, SkColors::kRed }, { kRGBA_F16Norm_SkColorType, VK_FORMAT_R16G16B16A16_SFLOAT, SkColors::kLtGray }, { kRGBA_F16_SkColorType, VK_FORMAT_R16G16B16A16_SFLOAT, SkColors::kYellow }, // These backend formats don't have SkColorType equivalents { kUnknown_SkColorType, VK_FORMAT_R32G32_SFLOAT, { 0.7f, 0.7f, 0, 0 } }, { kUnknown_SkColorType, VK_FORMAT_R8G8_UNORM, { 0.5f, 0.5f, 0, 0 } }, { kUnknown_SkColorType, VK_FORMAT_R16_SFLOAT, { 1.0f, 0, 0, 0.5f } }, { kUnknown_SkColorType, VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, SkColors::kRed }, }; for (auto combo : combinations) { if (!vkCaps->isFormatTexturable(combo.fFormat)) { continue; } GrBackendFormat format = GrBackendFormat::MakeVk(combo.fFormat); for (auto mipMapped : { GrMipMapped::kNo, GrMipMapped::kYes }) { if (GrMipMapped::kYes == mipMapped && !vkCaps->mipMapSupport()) { continue; } for (auto renderable : { GrRenderable::kNo, GrRenderable::kYes }) { if (GrRenderable::kYes == renderable) { if (kRGB_888x_SkColorType == combo.fColorType) { // Ganesh can't perform the blends correctly when rendering this format continue; } if (!vkCaps->isFormatRenderable(combo.fFormat)) { continue; } } { auto uninitCreateMtd = [format](GrContext* context, GrMipMapped mipMapped, GrRenderable renderable) { return context->createBackendTexture(32, 32, format, mipMapped, renderable); }; test_wrapping(context, reporter, uninitCreateMtd, combo.fColorType, mipMapped, renderable); } { auto createWithColorMtd = [format](GrContext* context, const SkColor4f& color, GrMipMapped mipMapped, GrRenderable renderable) { return context->createBackendTexture(32, 32, format, color, mipMapped, renderable); }; test_color_init(context, reporter, createWithColorMtd, combo.fColorType, combo.fColor, mipMapped, renderable); } } } } } #endif