/* * 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/core/SkSurfaceCharacterization.h" #include "include/gpu/GrContext.h" #include "src/core/SkAutoPixmapStorage.h" #include "src/gpu/GrContextPriv.h" #include "src/image/SkImage_Base.h" #include "tests/Test.h" #include "tests/TestUtils.h" #include "tools/ToolUtils.h" #ifdef SK_GL #include "src/gpu/gl/GrGLCaps.h" #include "src/gpu/gl/GrGLDefines.h" #include "src/gpu/gl/GrGLGpu.h" #include "src/gpu/gl/GrGLUtil.h" #endif #ifdef SK_METAL #include "include/gpu/mtl/GrMtlTypes.h" #include "src/gpu/mtl/GrMtlCppUtil.h" #endif // Test wrapping of GrBackendObjects in SkSurfaces and SkImages (non-static since used in Mtl test) void test_wrapping(GrContext* context, skiatest::Reporter* reporter, std::function create, GrColorType grColorType, 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 grColorType %d renderable %s\n", grColorType, GrRenderable::kYes == renderable ? "yes" : "no"); return; } // Skia proper should know nothing about the new backend object REPORTER_ASSERT(reporter, initialCount == cache->getResourceCount()); SkColorType skColorType = GrColorTypeToSkColorType(grColorType); // Wrapping a backendTexture in an image requires an SkColorType if (kUnknown_SkColorType == skColorType) { context->deleteBackendTexture(backendTex); return; } if (GrRenderable::kYes == renderable && context->colorTypeSupportedAsSurface(skColorType)) { sk_sp surf = SkSurface::MakeFromBackendTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, 0, skColorType, nullptr, nullptr); if (!surf) { ERRORF(reporter, "Couldn't make surface from backendTexture for colorType %d\n", skColorType); } else { REPORTER_ASSERT(reporter, initialCount+1 == cache->getResourceCount()); } } { sk_sp img = SkImage::MakeFromTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, skColorType, kPremul_SkAlphaType, nullptr); if (!img) { ERRORF(reporter, "Couldn't make image from backendTexture for skColorType %d\n", skColorType); } 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 isBGRA(const GrBackendFormat& format) { switch (format.backend()) { case GrBackendApi::kMetal: #ifdef SK_METAL return GrMtlFormatIsBGRA(format.asMtlFormat()); #else return false; #endif case GrBackendApi::kDawn: return false; case GrBackendApi::kOpenGL: #ifdef SK_GL return format.asGLFormat() == GrGLFormat::kBGRA8; #else return false; #endif case GrBackendApi::kVulkan: { #ifdef SK_VULKAN VkFormat vkFormat; format.asVkFormat(&vkFormat); return vkFormat == VK_FORMAT_B8G8R8A8_UNORM; #else return false; #endif } case GrBackendApi::kMock: { SkImage::CompressionType compression = format.asMockCompressionType(); if (compression != SkImage::CompressionType::kNone) { return false; // No compressed formats are BGRA } return format.asMockColorType() == GrColorType::kBGRA_8888; } } SkUNREACHABLE; } static bool isRGB(const GrBackendFormat& format) { switch (format.backend()) { case GrBackendApi::kMetal: return false; // Metal doesn't even pretend to support this case GrBackendApi::kDawn: return false; case GrBackendApi::kOpenGL: #ifdef SK_GL return format.asGLFormat() == GrGLFormat::kRGB8; #else return false; #endif case GrBackendApi::kVulkan: { #ifdef SK_VULKAN VkFormat vkFormat; format.asVkFormat(&vkFormat); return vkFormat == VK_FORMAT_R8G8B8_UNORM; #else return false; #endif } case GrBackendApi::kMock: return false; // No GrColorType::kRGB_888 } SkUNREACHABLE; } static void check_solid_pixmap(skiatest::Reporter* reporter, const SkColor4f& expected, const SkPixmap& actual, SkColorType ct, const char* label1, const char* label2) { // we need 0.001f across the board just for noise // we need 0.01f across the board for 1010102 const float tols[4] = { 0.01f, 0.01f, 0.01f, 0.01f }; auto error = std::function( [reporter, ct, label1, label2](int x, int y, const float diffs[4]) { SkASSERT(x >= 0 && y >= 0); ERRORF(reporter, "%s %s %s - mismatch at %d, %d (%f, %f, %f %f)", ToolUtils::colortype_name(ct), label1, label2, x, y, diffs[0], diffs[1], diffs[2], diffs[3]); }); CheckSolidPixels(expected, actual, tols, error); } // What would raster do? static SkColor4f get_expected_color(SkColor4f orig, SkColorType ct) { SkAlphaType at = SkColorTypeIsAlwaysOpaque(ct) ? kOpaque_SkAlphaType : kPremul_SkAlphaType; SkImageInfo ii = SkImageInfo::Make(2, 2, ct, at); SkAutoPixmapStorage pm; pm.alloc(ii); pm.erase(orig); SkColor tmp = pm.getColor(0, 0); return SkColor4f::FromColor(tmp); } static void check_mipmaps(GrContext* context, const GrBackendTexture& backendTex, SkColorType skColorType, const SkColor4f expectedColors[6], skiatest::Reporter* reporter, const char* label); static void check_base_readbacks(GrContext* context, const GrBackendTexture& backendTex, SkColorType skColorType, GrRenderable renderable, const SkColor4f& color, skiatest::Reporter* reporter, const char* label) { if (isRGB(backendTex.getBackendFormat())) { // readPixels is busted for the RGB backend format (skbug.com/8862) // TODO: add a GrColorType::kRGB_888 to fix the situation return; } SkAlphaType at = SkColorTypeIsAlwaysOpaque(skColorType) ? kOpaque_SkAlphaType : kPremul_SkAlphaType; SkColor4f expectedColor = get_expected_color(color, skColorType); SkAutoPixmapStorage actual; { SkImageInfo readBackII = SkImageInfo::Make(32, 32, kRGBA_8888_SkColorType, kUnpremul_SkAlphaType); SkAssertResult(actual.tryAlloc(readBackII)); } { sk_sp img = SkImage::MakeFromTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, skColorType, at, nullptr); if (img) { actual.erase(SkColors::kTransparent); 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 { check_solid_pixmap(reporter, expectedColor, actual, skColorType, label, "SkImage::readPixels"); } } } // This will mark any mipmaps as dirty (bc that is what we do when we wrap a renderable // backend texture) so it must be done last! if (GrRenderable::kYes == renderable && context->colorTypeSupportedAsSurface(skColorType)) { sk_sp surf = SkSurface::MakeFromBackendTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, 0, skColorType, nullptr, nullptr); if (surf) { actual.erase(SkColors::kTransparent); bool result = surf->readPixels(actual, 0, 0); REPORTER_ASSERT(reporter, result); check_solid_pixmap(reporter, expectedColor, actual, skColorType, label, "SkSurface::readPixels"); } } } // Test initialization of GrBackendObjects to a specific color (non-static since used in Mtl test) void test_color_init(GrContext* context, skiatest::Reporter* reporter, std::function create, GrColorType grColorType, 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; } SkColorType skColorType = GrColorTypeToSkColorType(grColorType); // Can't wrap backend textures in images and surfaces w/o an SkColorType if (kUnknown_SkColorType == skColorType) { // TODO: burrow in and scrappily check that data was uploaded! context->deleteBackendTexture(backendTex); return; } if (mipMapped == GrMipMapped::kYes) { SkColor4f expectedColor = get_expected_color(color, skColorType); SkColor4f expectedColors[6] = { expectedColor, expectedColor, expectedColor, expectedColor, expectedColor, expectedColor }; check_mipmaps(context, backendTex, skColorType, expectedColors, reporter, "colorinit"); } // The last step in this test will dirty the mipmaps so do it last check_base_readbacks(context, backendTex, skColorType, renderable, color, reporter, "colorinit"); context->deleteBackendTexture(backendTex); } // Draw the backend texture (wrapped in an SkImage) into an RGBA surface, attempting to access // all the mipMap levels. static void check_mipmaps(GrContext* context, const GrBackendTexture& backendTex, SkColorType skColorType, const SkColor4f expectedColors[6], skiatest::Reporter* reporter, const char* label) { #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 == skColorType && kGLES_GrGLStandard == glGPU->ctxInfo().standard()) { return; } } #endif if (isRGB(backendTex.getBackendFormat())) { // readPixels is busted for the RGB backend format (skbug.com/8862) // TODO: add a GrColorType::kRGB_888 to fix the situation return; } SkAlphaType at = SkColorTypeIsAlwaysOpaque(skColorType) ? kOpaque_SkAlphaType : kPremul_SkAlphaType; sk_sp img = SkImage::MakeFromTexture(context, backendTex, kTopLeft_GrSurfaceOrigin, skColorType, at, nullptr); if (!img) { return; } SkImageInfo readbackSurfaceII = SkImageInfo::Make(32, 32, kRGBA_8888_SkColorType, kPremul_SkAlphaType); sk_sp surf = SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, readbackSurfaceII, 1, kTopLeft_GrSurfaceOrigin, nullptr); if (!surf) { return; } SkCanvas* canvas = surf->getCanvas(); SkPaint p; p.setFilterQuality(kHigh_SkFilterQuality); int numMipLevels = 6; 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); SkImageInfo readbackII = SkImageInfo::Make(rectSize, rectSize, kRGBA_8888_SkColorType, kUnpremul_SkAlphaType); SkAutoPixmapStorage actual2; SkAssertResult(actual2.tryAlloc(readbackII)); actual2.erase(SkColors::kTransparent); bool result = surf->readPixels(actual2, 0, 0); REPORTER_ASSERT(reporter, result); SkString str; str.appendf("mip-level %d", i); check_solid_pixmap(reporter, expectedColors[i], actual2, skColorType, label, str.c_str()); } } static int make_pixmaps(SkColorType skColorType, GrMipMapped mipMapped, const SkColor4f colors[6], SkAutoPixmapStorage pixmaps[6]) { int levelSize = 32; int numMipLevels = mipMapped == GrMipMapped::kYes ? 6 : 1; SkAlphaType at = SkColorTypeIsAlwaysOpaque(skColorType) ? kOpaque_SkAlphaType : kPremul_SkAlphaType; for (int level = 0; level < numMipLevels; ++level) { SkImageInfo ii = SkImageInfo::Make(levelSize, levelSize, skColorType, at); pixmaps[level].alloc(ii); pixmaps[level].erase(colors[level]); levelSize /= 2; } return numMipLevels; } // Test initialization of GrBackendObjects using SkPixmaps static void test_pixmap_init(GrContext* context, skiatest::Reporter* reporter, std::function create, SkColorType skColorType, GrMipMapped mipMapped, GrRenderable renderable) { SkAutoPixmapStorage pixmapMem[6]; SkColor4f colors[6] = { { 1.0f, 0.0f, 0.0f, 1.0f }, // R { 0.0f, 1.0f, 0.0f, 0.9f }, // G { 0.0f, 0.0f, 1.0f, 0.7f }, // B { 0.0f, 1.0f, 1.0f, 0.5f }, // C { 1.0f, 0.0f, 1.0f, 0.3f }, // M { 1.0f, 1.0f, 0.0f, 0.2f }, // Y }; int numMipLevels = make_pixmaps(skColorType, mipMapped, colors, pixmapMem); SkASSERT(numMipLevels); // TODO: this is tedious. Should we pass in an array of SkBitmaps instead? SkPixmap pixmaps[6]; for (int i = 0; i < numMipLevels; ++i) { pixmaps[i].reset(pixmapMem[i].info(), pixmapMem[i].addr(), pixmapMem[i].rowBytes()); } GrBackendTexture backendTex = create(context, pixmaps, numMipLevels, renderable); if (!backendTex.isValid()) { // errors here should be reported by the test_wrapping test return; } if (skColorType == kBGRA_8888_SkColorType && !isBGRA(backendTex.getBackendFormat())) { // When kBGRA is backed by an RGBA something goes wrong in the swizzling return; } if (mipMapped == GrMipMapped::kYes) { SkColor4f expectedColors[6] = { get_expected_color(colors[0], skColorType), get_expected_color(colors[1], skColorType), get_expected_color(colors[2], skColorType), get_expected_color(colors[3], skColorType), get_expected_color(colors[4], skColorType), get_expected_color(colors[5], skColorType), }; check_mipmaps(context, backendTex, skColorType, expectedColors, reporter, "pixmap"); } // The last step in this test will dirty the mipmaps so do it last check_base_readbacks(context, backendTex, skColorType, renderable, colors[0], reporter, "pixmap"); context->deleteBackendTexture(backendTex); } enum class VkLayout { kUndefined, kReadOnlyOptimal, kColorAttachmentOptimal }; void check_vk_layout(const GrBackendTexture& backendTex, VkLayout layout) { #if defined(SK_VULKAN) && defined(SK_DEBUG) VkImageLayout expected; switch (layout) { case VkLayout::kUndefined: expected = VK_IMAGE_LAYOUT_UNDEFINED; break; case VkLayout::kReadOnlyOptimal: expected = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; break; case VkLayout::kColorAttachmentOptimal: expected = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; break; default: SkUNREACHABLE; } GrVkImageInfo vkII; if (backendTex.getVkImageInfo(&vkII)) { SkASSERT(expected == vkII.fImageLayout); SkASSERT(VK_IMAGE_TILING_OPTIMAL == vkII.fImageTiling); } #endif } /////////////////////////////////////////////////////////////////////////////// // This test is a bit different from the others in this file. It is mainly checking that, for any // SkSurface we can create in Ganesh, we can also create a backend texture that is compatible with // its characterization and then create a new surface that wraps that backend texture. DEF_GPUTEST_FOR_RENDERING_CONTEXTS(CharacterizationBackendAllocationTest, reporter, ctxInfo) { GrContext* context = ctxInfo.grContext(); for (int ct = 0; ct <= kLastEnum_SkColorType; ++ct) { SkColorType colorType = static_cast(ct); SkImageInfo ii = SkImageInfo::Make(32, 32, colorType, kPremul_SkAlphaType); for (auto origin : { kTopLeft_GrSurfaceOrigin, kBottomLeft_GrSurfaceOrigin } ) { for (bool mipMaps : { true, false } ) { for (int sampleCount : {1, 2}) { SkSurfaceCharacterization c; // Get a characterization, if possible { sk_sp s = SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, ii, sampleCount, origin, nullptr, mipMaps); if (!s) { continue; } if (!s->characterize(&c)) { continue; } REPORTER_ASSERT(reporter, s->isCompatible(c)); } // Test out uninitialized path { GrBackendTexture backendTex = context->createBackendTexture(c); check_vk_layout(backendTex, VkLayout::kUndefined); REPORTER_ASSERT(reporter, backendTex.isValid()); REPORTER_ASSERT(reporter, c.isCompatible(backendTex)); { GrBackendFormat format = context->defaultBackendFormat( c.imageInfo().colorType(), GrRenderable::kYes); REPORTER_ASSERT(reporter, format == backendTex.getBackendFormat()); } sk_sp s2 = SkSurface::MakeFromBackendTexture(context, c, backendTex); REPORTER_ASSERT(reporter, s2); REPORTER_ASSERT(reporter, s2->isCompatible(c)); s2 = nullptr; context->deleteBackendTexture(backendTex); } // Test out color-initialized path { GrBackendTexture backendTex = context->createBackendTexture(c, SkColors::kRed); check_vk_layout(backendTex, VkLayout::kColorAttachmentOptimal); REPORTER_ASSERT(reporter, backendTex.isValid()); REPORTER_ASSERT(reporter, c.isCompatible(backendTex)); { GrBackendFormat format = context->defaultBackendFormat( c.imageInfo().colorType(), GrRenderable::kYes); REPORTER_ASSERT(reporter, format == backendTex.getBackendFormat()); } sk_sp s2 = SkSurface::MakeFromBackendTexture(context, c, backendTex); REPORTER_ASSERT(reporter, s2); REPORTER_ASSERT(reporter, s2->isCompatible(c)); s2 = nullptr; 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; SkColor4f fColor; } combinations[] = { { kAlpha_8_SkColorType, kTransCol }, { kRGB_565_SkColorType, SkColors::kRed }, { kARGB_4444_SkColorType, SkColors::kGreen }, { kRGBA_8888_SkColorType, SkColors::kBlue }, { kRGB_888x_SkColorType, SkColors::kCyan }, // TODO: readback is busted when alpha = 0.5f (perhaps premul vs. unpremul) { kBGRA_8888_SkColorType, { 1, 0, 0, 1.0f } }, // TODO: readback is busted when alpha = 0.5f (perhaps premul vs. unpremul) { kRGBA_1010102_SkColorType, { .25f, .5f, .75f, 1.0f }}, // The kRGB_101010x_SkColorType has no Ganesh correlate { kRGB_101010x_SkColorType, { 0, 0.5f, 0, 0.5f } }, { kGray_8_SkColorType, kGrayCol }, { kRGBA_F16Norm_SkColorType, SkColors::kLtGray }, { kRGBA_F16_SkColorType, SkColors::kYellow }, { kRGBA_F32_SkColorType, SkColors::kGray }, { kR8G8_unorm_SkColorType, { .25f, .75f, 0, 1 } }, { kR16G16_unorm_SkColorType, SkColors::kGreen }, { kA16_unorm_SkColorType, kTransCol }, { kA16_float_SkColorType, kTransCol }, { kR16G16_float_SkColorType, { .25f, .75f, 0, 1 } }, { kR16G16B16A16_unorm_SkColorType,{ .25f, .5f, .75f, 1 } }, }; static_assert(kLastEnum_SkColorType == SK_ARRAY_COUNT(combinations)); for (auto combo : combinations) { SkColorType colorType = combo.fColorType; 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 (!caps->getDefaultBackendFormat(SkColorTypeToGrColorType(colorType), renderable).isValid()) { continue; } if (GrRenderable::kYes == renderable) { if (kRGB_888x_SkColorType == combo.fColorType) { // Ganesh can't perform the blends correctly when rendering this format continue; } } { auto uninitCreateMtd = [colorType](GrContext* context, GrMipMapped mipMapped, GrRenderable renderable) { auto result = context->createBackendTexture(32, 32, colorType, mipMapped, renderable, GrProtected::kNo); check_vk_layout(result, VkLayout::kUndefined); #ifdef SK_DEBUG { GrBackendFormat format = context->defaultBackendFormat(colorType, renderable); SkASSERT(format == result.getBackendFormat()); } #endif return result; }; test_wrapping(context, reporter, uninitCreateMtd, SkColorTypeToGrColorType(colorType), mipMapped, renderable); } { auto createWithColorMtd = [colorType](GrContext* context, const SkColor4f& color, GrMipMapped mipMapped, GrRenderable renderable) { auto result = context->createBackendTexture(32, 32, colorType, color, mipMapped, renderable, GrProtected::kNo); check_vk_layout(result, GrRenderable::kYes == renderable ? VkLayout::kColorAttachmentOptimal : VkLayout::kReadOnlyOptimal); #ifdef SK_DEBUG { GrBackendFormat format = context->defaultBackendFormat(colorType, renderable); SkASSERT(format == result.getBackendFormat()); } #endif return result; }; // We make our comparison color using SkPixmap::erase(color) on a pixmap of // combo.fColorType and then calling SkPixmap::readPixels(). erase() will premul // the color passed to it. However, createBackendTexture() that takes a // SkColor4f is color type / alpha type unaware and will simply compute // luminance from the r, g, b, channels. SkColor4f color = combo.fColor; if (colorType == kGray_8_SkColorType) { color = {color.fR * color.fA, color.fG * color.fA, color.fB * color.fA, 1.f}; } test_color_init(context, reporter, createWithColorMtd, SkColorTypeToGrColorType(colorType), color, mipMapped, renderable); } auto createWithSrcDataMtd = [](GrContext* context, const SkPixmap srcData[], int numLevels, GrRenderable renderable) { SkASSERT(srcData && numLevels); auto result = context->createBackendTexture(srcData, numLevels, renderable, GrProtected::kNo); check_vk_layout(result, VkLayout::kReadOnlyOptimal); #ifdef SK_DEBUG { auto format = context->defaultBackendFormat(srcData[0].colorType(), renderable); SkASSERT(format == result.getBackendFormat()); } #endif return result; }; test_pixmap_init(context, reporter, createWithSrcDataMtd, colorType, mipMapped, renderable); } } } } /////////////////////////////////////////////////////////////////////////////// #ifdef SK_GL 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 { GrColorType fColorType; GrGLenum fFormat; SkColor4f fColor; } combinations[] = { { GrColorType::kRGBA_8888, GR_GL_RGBA8, SkColors::kRed }, { GrColorType::kRGBA_8888_SRGB, GR_GL_SRGB8_ALPHA8, SkColors::kRed }, { GrColorType::kRGB_888x, GR_GL_RGBA8, SkColors::kYellow }, { GrColorType::kRGB_888x, GR_GL_RGB8, SkColors::kCyan }, { GrColorType::kBGRA_8888, GR_GL_RGBA8, SkColors::kBlue }, { GrColorType::kBGRA_8888, GR_GL_BGRA8, SkColors::kBlue }, // TODO: readback is busted when alpha = 0.5f (perhaps premul vs. unpremul) { GrColorType::kRGBA_1010102, GR_GL_RGB10_A2, { 0.5f, 0, 0, 1.0f } }, { GrColorType::kBGR_565, GR_GL_RGB565, SkColors::kRed }, { GrColorType::kABGR_4444, GR_GL_RGBA4, SkColors::kGreen }, { GrColorType::kAlpha_8, GR_GL_ALPHA8, kTransCol }, { GrColorType::kAlpha_8, GR_GL_R8, kTransCol }, { GrColorType::kGray_8, GR_GL_LUMINANCE8, kGrayCol }, { GrColorType::kGray_8, GR_GL_R8, kGrayCol }, { GrColorType::kRGBA_F32, GR_GL_RGBA32F, SkColors::kRed }, { GrColorType::kRGBA_F16_Clamped, GR_GL_RGBA16F, SkColors::kLtGray }, { GrColorType::kRGBA_F16, GR_GL_RGBA16F, SkColors::kYellow }, { GrColorType::kRG_88, GR_GL_RG8, { 1, 0.5f, 0, 1 } }, { GrColorType::kAlpha_F16, GR_GL_R16F, { 1.0f, 0, 0, 0.5f } }, { GrColorType::kAlpha_F16, GR_GL_LUMINANCE16F, kGrayCol }, { GrColorType::kAlpha_16, GR_GL_R16, kTransCol }, { GrColorType::kRG_1616, GR_GL_RG16, SkColors::kYellow }, { GrColorType::kRGBA_16161616, GR_GL_RGBA16, SkColors::kLtGray }, { GrColorType::kRG_F16, GR_GL_RG16F, SkColors::kYellow }, }; for (auto combo : combinations) { GrBackendFormat format = GrBackendFormat::MakeGL(combo.fFormat, GR_GL_TEXTURE_2D); if (!glCaps->isFormatTexturable(format)) { continue; } if (GrColorType::kBGRA_8888 == combo.fColorType) { // We allow using a GL_RGBA8 texture as BGRA on desktop GL but not ES. if (GR_GL_RGBA8 == 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 (!glCaps->isFormatAsColorTypeRenderable(combo.fColorType, format)) { continue; } } { auto uninitCreateMtd = [format](GrContext* context, GrMipMapped mipMapped, GrRenderable renderable) { return context->createBackendTexture(32, 32, format, mipMapped, renderable, GrProtected::kNo); }; test_wrapping(context, reporter, uninitCreateMtd, combo.fColorType, mipMapped, renderable); } { // We're creating backend textures without specifying a color type "view" of // them at the public API level. Therefore, Ganesh will not apply any swizzles // before writing the color to the texture. However, our validation code does // rely on interpreting the texture contents via a SkColorType and therefore // swizzles may be applied during the read step. // Ideally we'd update our validation code to use a "raw" read that doesn't // impose a color type but for now we just munge the data we upload to match the // expectation. GrSwizzle swizzle; switch (combo.fColorType) { case GrColorType::kAlpha_8: swizzle = GrSwizzle("aaaa"); break; case GrColorType::kAlpha_16: swizzle = GrSwizzle("aaaa"); break; case GrColorType::kAlpha_F16: swizzle = GrSwizzle("aaaa"); break; default: break; } auto createWithColorMtd = [format, swizzle](GrContext* context, const SkColor4f& color, GrMipMapped mipMapped, GrRenderable renderable) { auto swizzledColor = swizzle.applyTo(color); return context->createBackendTexture(32, 32, format, swizzledColor, mipMapped, renderable, GrProtected::kNo); }; // We make our comparison color using SkPixmap::erase(color) on a pixmap of // combo.fColorType and then calling SkPixmap::readPixels(). erase() will premul // the color passed to it. However, createBackendTexture() that takes a // SkColor4f is color type/alpha type unaware and will simply compute luminance //from the r, g, b, channels. SkColor4f color = combo.fColor; if (combo.fColorType == GrColorType::kGray_8) { color = {color.fR * color.fA, color.fG * color.fA, color.fB * color.fA, 1.f}; } test_color_init(context, reporter, createWithColorMtd, combo.fColorType, color, 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, 1 }; struct { GrColorType fColorType; VkFormat fFormat; SkColor4f fColor; } combinations[] = { { GrColorType::kRGBA_8888, VK_FORMAT_R8G8B8A8_UNORM, SkColors::kRed }, { GrColorType::kRGBA_8888_SRGB, 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. { GrColorType::kRGB_888x, VK_FORMAT_R8G8B8A8_UNORM, SkColors::kYellow }, { GrColorType::kRGB_888x, VK_FORMAT_R8G8B8_UNORM, SkColors::kCyan }, { GrColorType::kBGRA_8888, VK_FORMAT_B8G8R8A8_UNORM, SkColors::kBlue }, { GrColorType::kRGBA_1010102, VK_FORMAT_A2B10G10R10_UNORM_PACK32, { 0.5f, 0, 0, 1.0f }}, { GrColorType::kBGR_565, VK_FORMAT_R5G6B5_UNORM_PACK16, SkColors::kRed }, { GrColorType::kABGR_4444, VK_FORMAT_R4G4B4A4_UNORM_PACK16, SkColors::kCyan }, { GrColorType::kABGR_4444, VK_FORMAT_B4G4R4A4_UNORM_PACK16, SkColors::kYellow }, { GrColorType::kAlpha_8, 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. { GrColorType::kGray_8, VK_FORMAT_R8_UNORM, kGrayCol }, { GrColorType::kRGBA_F16_Clamped, VK_FORMAT_R16G16B16A16_SFLOAT, SkColors::kLtGray }, { GrColorType::kRGBA_F16, VK_FORMAT_R16G16B16A16_SFLOAT, SkColors::kYellow }, { GrColorType::kRG_88, VK_FORMAT_R8G8_UNORM, { 1, 0.5f, 0, 1 } }, { GrColorType::kAlpha_F16, VK_FORMAT_R16_SFLOAT, { 1.0f, 0, 0, 0.5f }}, { GrColorType::kAlpha_16, VK_FORMAT_R16_UNORM, kTransCol }, { GrColorType::kRG_1616, VK_FORMAT_R16G16_UNORM, SkColors::kYellow }, { GrColorType::kRGBA_16161616, VK_FORMAT_R16G16B16A16_UNORM, SkColors::kLtGray }, { GrColorType::kRG_F16, VK_FORMAT_R16G16_SFLOAT, SkColors::kYellow }, }; for (auto combo : combinations) { if (!vkCaps->isVkFormatTexturable(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) { // We must also check whether we allow rendering to the format using the // color type. if (!vkCaps->isFormatAsColorTypeRenderable( combo.fColorType, GrBackendFormat::MakeVk(combo.fFormat), 1)) { continue; } } { auto uninitCreateMtd = [format](GrContext* context, GrMipMapped mipMapped, GrRenderable renderable) { GrBackendTexture beTex = context->createBackendTexture(32, 32, format, mipMapped, renderable, GrProtected::kNo); check_vk_layout(beTex, VkLayout::kUndefined); return beTex; }; test_wrapping(context, reporter, uninitCreateMtd, combo.fColorType, mipMapped, renderable); } { // We're creating backend textures without specifying a color type "view" of // them at the public API level. Therefore, Ganesh will not apply any swizzles // before writing the color to the texture. However, our validation code does // rely on interpreting the texture contents via a SkColorType and therefore // swizzles may be applied during the read step. // Ideally we'd update our validation code to use a "raw" read that doesn't // impose a color type but for now we just munge the data we upload to match the // expectation. GrSwizzle swizzle; switch (combo.fColorType) { case GrColorType::kAlpha_8: SkASSERT(combo.fFormat == VK_FORMAT_R8_UNORM); swizzle = GrSwizzle("aaaa"); break; case GrColorType::kAlpha_16: SkASSERT(combo.fFormat == VK_FORMAT_R16_UNORM); swizzle = GrSwizzle("aaaa"); break; case GrColorType::kAlpha_F16: SkASSERT(combo.fFormat == VK_FORMAT_R16_SFLOAT); swizzle = GrSwizzle("aaaa"); break; case GrColorType::kABGR_4444: if (combo.fFormat == VK_FORMAT_B4G4R4A4_UNORM_PACK16) { swizzle = GrSwizzle("bgra"); } break; default: swizzle = GrSwizzle("rgba"); break; } auto createWithColorMtd = [format, swizzle](GrContext* context, const SkColor4f& color, GrMipMapped mipMapped, GrRenderable renderable) { auto swizzledColor = swizzle.applyTo(color); GrBackendTexture beTex = context->createBackendTexture(32, 32, format, swizzledColor, mipMapped, renderable, GrProtected::kNo); check_vk_layout(beTex, GrRenderable::kYes == renderable ? VkLayout::kColorAttachmentOptimal : VkLayout::kReadOnlyOptimal); return beTex; }; test_color_init(context, reporter, createWithColorMtd, combo.fColorType, combo.fColor, mipMapped, renderable); } } } } } #endif