4  * Use of this source code is governed by a BSD-style license that can be
88     /** `CPU` tests must pass when painted to a CPU-backed surface via SkRuntimeEffect. */
93      * They aren't compatible with SkRuntimeEffect, since they use non-ES2 features.
97     /** `GPU` tests must pass when painted to a GPU-backed surface via SkRuntimeEffect. */
100     /** `GPU_ES3` tests must pass on ES3-compatible GPUs when "enforce ES2 restrictions" is off. */
134 static constexpr float kUniformTestInputs[]    = {-1.25f, 0.0f, 0.75f, 2.25f};
146 static constexpr float kUniformTestArrayNegative[] = {-1, -2, -3, -4, -5};
180     surface->getCanvas()->clear(SK_ColorBLACK);  in bitmap_from_shader()
184     surface->getCanvas()->drawRect(SkRect::MakeWH(kWidth, kHeight), paintShader);  in bitmap_from_shader()
187     REPORTER_ASSERT(r, bitmap.tryAllocPixels(surface->imageInfo()));  in bitmap_from_shader()
188     REPORTER_ASSERT(r, surface->readPixels(bitmap, /*srcX=*/0, /*srcY=*/0));  in bitmap_from_shader()
194     // The Metal shader compiler (which is also used under-the-hood for some GL/GLES contexts on  in gpu_generates_nan()
195     // these platforms) enables fast-math by default. That prevents NaN-based tests from passing:  in gpu_generates_nan()
196     // https://developer.apple.com/documentation/metal/mtlcompileoptions/1515914-fastmathenabled  in gpu_generates_nan()
200     if (!ctx->priv().caps()->shaderCaps()->fInfinitySupport) {  in gpu_generates_nan()
235     return SkString{reinterpret_cast<const char*>(shaderData->bytes()), shaderData->size()};  in load_source()
253     // TODO(b/40044139): migrate test-disable list from dm_flags into this map  in failure_is_expected()
288         // - Apple --------------------------------------------------------------------------------  in failure_is_expected()
289         // MacOS/iOS do not handle short-circuit evaluation properly in OpenGL (chromium:307751)  in failure_is_expected()
295         // ANGLE has a handful of Mac-specific bugs.  in failure_is_expected()
310         // - ARM ----------------------------------------------------------------------------------  in failure_is_expected()
319             disables[test].push_back({regex("Mali-400"), _, GPU, _});  in failure_is_expected()
322         // - Nvidia -------------------------------------------------------------------------------  in failure_is_expected()
343         // constant-fold expressions with side-effects in constructors when compiling GLSL.  in failure_is_expected()
368         // - PowerVR ------------------------------------------------------------------------------  in failure_is_expected()
374         // - Radeon -------------------------------------------------------------------------------  in failure_is_expected()
386         // The Radeon Vega 6 doesn't return zero for the derivative of a uniform.  in failure_is_expected()
393         // - Adreno -------------------------------------------------------------------------------  in failure_is_expected()
434         // Adrenos alias out-params to globals improperly (b/40044222)  in failure_is_expected()
448         // - Intel --------------------------------------------------------------------------------  in failure_is_expected()
459         // Swizzled-index store is broken across many Intel GPUs. (b/40045254)  in failure_is_expected()
514     if (const std::vector<TestDisable>* testDisables = testDisableMap->find(name)) {  in failure_is_expected()
643     // Create a raster-backed surface.  in test_cpu()
659     // If this is an ES3-only test on a GPU which doesn't support SkSL ES3, return immediately.  in test_ganesh()
663             (ctx->priv().caps()->shaderCaps()->supportedSkSLVerion() >= SkSL::Version::k300);  in test_ganesh()
675     // Create a GPU-backed Ganesh surface.  in test_ganesh()
678     std::string_view deviceName = ctx->priv().caps()->deviceName();  in test_ganesh()
700     // If this is an ES3-only test on a GPU which doesn't support SkSL ES3, return immediately.  in test_graphite()
704             (ctx->priv().caps()->shaderCaps()->supportedSkSLVerion() >= SkSL::Version::k300);  in test_graphite()
710     if (ctx->backend() == skgpu::BackendApi::kDawn) {  in test_graphite()
719     // Create a GPU-backed Graphite surface.  in test_graphite()
720     std::unique_ptr<skgpu::graphite::Recorder> recorder = ctx->makeRecorder();  in test_graphite()
726     std::string_view deviceName = ctx->priv().caps()->deviceName();  in test_graphite()
727     std::string_view backendAPI = skgpu::ContextTypeName(testCtx->contextType());  in test_graphite()
756     // Clone every expression in the program, and ensure that its clone generates the same  in test_clone()
762         bool visitExpression(const SkSL::Expression& expr) override {  in test_clone()
764             std::string cloned = expr.clone()->description();  in test_clone()
814     const SkSL::FunctionDeclaration* main = program->getFunction("main");  in test_raster_pipeline()
826     for (const SkSL::ProgramElement* elem : program->elements()) {  in test_raster_pipeline()
828         if (elem->is<SkSL::GlobalVarDeclaration>()) {  in test_raster_pipeline()
829             const SkSL::GlobalVarDeclaration& global = elem->as<SkSL::GlobalVarDeclaration>();  in test_raster_pipeline()
830             const SkSL::VarDeclaration& varDecl = global.declaration()->as<SkSL::VarDeclaration>();  in test_raster_pipeline()
867                                             *main->definition(),  in test_raster_pipeline()
876     rasterProg->appendStages(&pipeline, &alloc, /*callbacks=*/nullptr, SkSpan(uniformValues));  in test_raster_pipeline()
943  * - CPU:     this test should pass on the CPU backend
944  * - GPU:     this test should pass on the Ganesh GPU backends
945  * - GPU_ES3: this test should pass on an ES3-compatible GPU when "enforce ES2 restrictions" is off
953 // clang-format off
1178 // TODO(skia:13920): StructComparison currently exposes a bug in SPIR-V codegen.