/* * Copyright 2021 Google LLC * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "include/core/SkStream.h" #include "include/gpu/ShaderErrorHandler.h" #include "include/gpu/graphite/Context.h" #include "include/gpu/graphite/mtl/MtlBackendContext.h" #include "src/core/SkTraceEvent.h" #include "src/gpu/graphite/ContextPriv.h" #include "src/gpu/graphite/TextureFormat.h" #include "src/gpu/graphite/mtl/MtlGraphiteUtils.h" #include "src/gpu/graphite/mtl/MtlQueueManager.h" #include "src/gpu/graphite/mtl/MtlSharedContext.h" #include "src/gpu/mtl/MtlUtilsPriv.h" #import namespace skgpu::graphite { namespace ContextFactory { std::unique_ptr MakeMetal(const MtlBackendContext& backendContext, const ContextOptions& options) { sk_sp sharedContext = MtlSharedContext::Make(backendContext, options); if (!sharedContext) { return nullptr; } sk_cfp> queue = sk_ret_cfp((id)(backendContext.fQueue.get())); auto queueManager = std::make_unique(std::move(queue), sharedContext.get()); if (!queueManager) { return nullptr; } return ContextCtorAccessor::MakeContext(std::move(sharedContext), std::move(queueManager), options); } } // namespace ContextFactory sk_cfp> MtlCompileShaderLibrary(const MtlSharedContext* sharedContext, std::string_view label, std::string_view msl, ShaderErrorHandler* errorHandler) { TRACE_EVENT0("skia.shaders", "driver_compile_shader"); NSString* nsSource = [[NSString alloc] initWithBytesNoCopy:const_cast(msl.data()) length:msl.size() encoding:NSUTF8StringEncoding freeWhenDone:NO]; if (!nsSource) { return nil; } MTLCompileOptions* options = [[MTLCompileOptions alloc] init]; // Framebuffer fetch is supported in MSL 2.3 in MacOS 11+. if (@available(macOS 11.0, iOS 14.0, tvOS 14.0, *)) { options.languageVersion = MTLLanguageVersion2_3; // array<> is supported in MSL 2.0 on MacOS 10.13+ and iOS 11+, // and in MSL 1.2 on iOS 10+ (but not MacOS). } else if (@available(macOS 10.13, iOS 11.0, tvOS 11.0, *)) { options.languageVersion = MTLLanguageVersion2_0; #if defined(SK_BUILD_FOR_IOS) } else if (@available(macOS 10.12, iOS 10.0, tvOS 10.0, *)) { options.languageVersion = MTLLanguageVersion1_2; #endif } NSError* error = nil; // TODO: do we need a version with a timeout? sk_cfp> compiledLibrary( [sharedContext->device() newLibraryWithSource:(NSString* _Nonnull)nsSource options:options error:&error]); if (!compiledLibrary) { std::string mslStr(msl); errorHandler->compileError( mslStr.c_str(), error.debugDescription.UTF8String, /*shaderWasCached=*/false); return nil; } NSString* nsLabel = [[NSString alloc] initWithBytesNoCopy:const_cast(label.data()) length:label.size() encoding:NSUTF8StringEncoding freeWhenDone:NO]; compiledLibrary.get().label = nsLabel; return compiledLibrary; } // Most formats in MTL_FORMAT_MAPPING for TextureFormat are always available for Graphite's // supported Mac and iOS versions. These formats are not. To simplify the mapping, these constants // are extracted from Frameworks/Metal/MTLPixelFormat.h to avoid guarding with an @available check, // although MtlCaps must still do so when enabling a particular format. // Either unsupported on iOS or high min iOS, so considered "mac-only" static constexpr MTLPixelFormat MTLPixelFormatBC1_RGBA_{130}; static constexpr MTLPixelFormat MTLPixelFormatBC1_RGBA_sRGB_{131}; static constexpr MTLPixelFormat MTLPixelFormatDepth24Unorm_Stencil8_{255}; // Requires Mac 11.0+, while we support 10.15+. All meet Graphite's minimum supported iOS version static constexpr MTLPixelFormat MTLPixelFormatB5G6R5Unorm_{40}; static constexpr MTLPixelFormat MTLPixelFormatABGR4Unorm_{42}; static constexpr MTLPixelFormat MTLPixelFormatBGR10_XR_{554}; static constexpr MTLPixelFormat MTLPixelFormatBGRA10_XR_{552}; static constexpr MTLPixelFormat MTLPixelFormatETC2_RGB8_{180}; static constexpr MTLPixelFormat MTLPixelFormatETC2_RGB8_sRGB_{181}; static void validate_mtl_pixelformats() { #if defined(SK_BUILD_FOR_MAC) SkASSERT(MTLPixelFormatBC1_RGBA_ == MTLPixelFormatBC1_RGBA); SkASSERT(MTLPixelFormatBC1_RGBA_sRGB_ == MTLPixelFormatBC1_RGBA_sRGB); SkASSERT(MTLPixelFormatDepth24Unorm_Stencil8_ == MTLPixelFormatDepth24Unorm_Stencil8); #endif if (@available(macOS 11.0, iOS 10.0, *)) { SkASSERT(MTLPixelFormatB5G6R5Unorm_ == MTLPixelFormatB5G6R5Unorm); SkASSERT(MTLPixelFormatABGR4Unorm_ == MTLPixelFormatABGR4Unorm); SkASSERT(MTLPixelFormatBGR10_XR_ == MTLPixelFormatBGR10_XR); SkASSERT(MTLPixelFormatBGRA10_XR_ == MTLPixelFormatBGRA10_XR); SkASSERT(MTLPixelFormatETC2_RGB8_ == MTLPixelFormatETC2_RGB8); SkASSERT(MTLPixelFormatETC2_RGB8_sRGB_ == MTLPixelFormatETC2_RGB8_sRGB); } } #define MTL_FORMAT_MAPPING(M) \ M(TextureFormat::kR8, MTLPixelFormatR8Unorm) \ M(TextureFormat::kR16, MTLPixelFormatR16Unorm) \ M(TextureFormat::kR16F, MTLPixelFormatR16Float) \ M(TextureFormat::kR32F, MTLPixelFormatR32Float) \ M(TextureFormat::kA8, MTLPixelFormatA8Unorm) \ M(TextureFormat::kRG8, MTLPixelFormatRG8Unorm) \ M(TextureFormat::kRG16, MTLPixelFormatRG16Unorm) \ M(TextureFormat::kRG16F, MTLPixelFormatRG16Float) \ M(TextureFormat::kRG32F, MTLPixelFormatRG32Float) \ /*TextureFormat::kRGB8, unsupported */ \ /*TextureFormat::kBGR8, unsupported */ \ M(TextureFormat::kB5_G6_R5, MTLPixelFormatB5G6R5Unorm_) \ /*TextureFormat::kR5_G6_B5, unsupported */ \ /*TextureFormat::kRGB16, unsupported */ \ /*TextureFormat::kRGB16F, unsupported */ \ /*TextureFormat::kRGB32F, unsupported */ \ /*TextureFormat::kRGB8_sRGB, unsupported */ \ M(TextureFormat::kBGR10_XR, MTLPixelFormatBGR10_XR_) \ M(TextureFormat::kRGBA8, MTLPixelFormatRGBA8Unorm) \ M(TextureFormat::kRGBA16, MTLPixelFormatRGBA16Unorm) \ M(TextureFormat::kRGBA16F, MTLPixelFormatRGBA16Float) \ M(TextureFormat::kRGBA32F, MTLPixelFormatRGBA32Float) \ M(TextureFormat::kRGB10_A2, MTLPixelFormatRGB10A2Unorm) \ M(TextureFormat::kRGBA8_sRGB, MTLPixelFormatRGBA8Unorm_sRGB) \ M(TextureFormat::kBGRA8, MTLPixelFormatBGRA8Unorm) \ M(TextureFormat::kBGR10_A2, MTLPixelFormatBGR10A2Unorm) \ M(TextureFormat::kBGRA8_sRGB, MTLPixelFormatBGRA8Unorm_sRGB) \ M(TextureFormat::kABGR4, MTLPixelFormatABGR4Unorm_) \ /*TextureFormat::kARGB4, unsupported */ \ M(TextureFormat::kBGRA10x6_XR, MTLPixelFormatBGRA10_XR_) \ M(TextureFormat::kRGB8_ETC2, MTLPixelFormatETC2_RGB8_) \ M(TextureFormat::kRGB8_ETC2_sRGB, MTLPixelFormatETC2_RGB8_sRGB_) \ /*TextureFormat::kRGB8_BC1, unsupported */ \ M(TextureFormat::kRGBA8_BC1, MTLPixelFormatBC1_RGBA_) \ M(TextureFormat::kRGBA8_BC1_sRGB, MTLPixelFormatBC1_RGBA_sRGB_) \ /*TextureFormat::kYUV8_P2_420, unsupported */ \ /*TextureFormat::kYUV8_P3_420, unsupported */ \ /*TextureFormat::kYUV10x6_P2_420, unsupported */ \ /*TextureFormat::kExternal, unsupported */ \ M(TextureFormat::kS8, MTLPixelFormatStencil8) \ M(TextureFormat::kD16, MTLPixelFormatDepth16Unorm) \ M(TextureFormat::kD32F, MTLPixelFormatDepth32Float) \ M(TextureFormat::kD24_S8, MTLPixelFormatDepth24Unorm_Stencil8_) \ M(TextureFormat::kD32F_S8, MTLPixelFormatDepth32Float_Stencil8) TextureFormat MTLPixelFormatToTextureFormat(MTLPixelFormat format) { #define M(TF, MTL) case MTL: return TF; switch(format) { MTL_FORMAT_MAPPING(M) default: return TextureFormat::kUnsupported; } #undef M } MTLPixelFormat TextureFormatToMTLPixelFormat(TextureFormat format) { // Validate constants that can't be statically validated due to @available validate_mtl_pixelformats(); #define M(TF, MTL) case TF: return MTL; switch(format) { MTL_FORMAT_MAPPING(M) default: return MTLPixelFormatInvalid; } #undef M } } // namespace skgpu::graphite