| /* |
| * 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/SkCanvas.h" |
| #include "include/core/SkSurface.h" |
| #include "include/gpu/GrBackendSurface.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "include/gpu/mtl/GrMtlBackendContext.h" |
| #include "include/gpu/mtl/GrMtlTypes.h" |
| #include "src/core/SkMathPriv.h" |
| #include "src/gpu/ganesh/GrCaps.h" |
| #include "src/gpu/ganesh/GrDirectContextPriv.h" |
| #include "src/image/SkImage_Base.h" |
| #include "tools/sk_app/MetalWindowContext.h" |
| |
| using sk_app::DisplayParams; |
| using sk_app::MetalWindowContext; |
| |
| namespace sk_app { |
| |
| MetalWindowContext::MetalWindowContext(const DisplayParams& params) |
| : WindowContext(params) |
| , fValid(false) |
| , fDrawableHandle(nil) { |
| fDisplayParams.fMSAASampleCount = GrNextPow2(fDisplayParams.fMSAASampleCount); |
| } |
| |
| NSURL* MetalWindowContext::CacheURL() { |
| NSArray *paths = [[NSFileManager defaultManager] URLsForDirectory:NSCachesDirectory |
| inDomains:NSUserDomainMask]; |
| NSURL* cachePath = [paths objectAtIndex:0]; |
| return [cachePath URLByAppendingPathComponent:@"binaryArchive.metallib"]; |
| } |
| |
| void MetalWindowContext::initializeContext() { |
| SkASSERT(!fContext); |
| |
| fDevice.reset(MTLCreateSystemDefaultDevice()); |
| fQueue.reset([*fDevice newCommandQueue]); |
| |
| if (fDisplayParams.fMSAASampleCount > 1) { |
| if (@available(macOS 10.11, iOS 9.0, *)) { |
| if (![*fDevice supportsTextureSampleCount:fDisplayParams.fMSAASampleCount]) { |
| return; |
| } |
| } else { |
| return; |
| } |
| } |
| fSampleCount = fDisplayParams.fMSAASampleCount; |
| fStencilBits = 8; |
| |
| fValid = this->onInitializeContext(); |
| |
| #if GR_METAL_SDK_VERSION >= 230 |
| if (fDisplayParams.fEnableBinaryArchive) { |
| if (@available(macOS 11.0, iOS 14.0, *)) { |
| sk_cfp<MTLBinaryArchiveDescriptor*> desc([MTLBinaryArchiveDescriptor new]); |
| (*desc).url = CacheURL(); // try to load |
| NSError* error; |
| fPipelineArchive = [*fDevice newBinaryArchiveWithDescriptor:*desc error:&error]; |
| if (!fPipelineArchive) { |
| (*desc).url = nil; // create new |
| fPipelineArchive = [*fDevice newBinaryArchiveWithDescriptor:*desc error:&error]; |
| if (!fPipelineArchive) { |
| SkDebugf("Error creating MTLBinaryArchive:\n%s\n", |
| error.debugDescription.UTF8String); |
| } |
| } |
| } |
| } else { |
| if (@available(macOS 11.0, iOS 14.0, *)) { |
| fPipelineArchive = nil; |
| } |
| } |
| #endif |
| |
| GrMtlBackendContext backendContext = {}; |
| backendContext.fDevice.retain((GrMTLHandle)fDevice.get()); |
| backendContext.fQueue.retain((GrMTLHandle)fQueue.get()); |
| #if GR_METAL_SDK_VERSION >= 230 |
| if (@available(macOS 11.0, iOS 14.0, *)) { |
| backendContext.fBinaryArchive.retain((__bridge GrMTLHandle)fPipelineArchive); |
| } |
| #endif |
| fContext = GrDirectContext::MakeMetal(backendContext, fDisplayParams.fGrContextOptions); |
| if (!fContext && fDisplayParams.fMSAASampleCount > 1) { |
| fDisplayParams.fMSAASampleCount /= 2; |
| this->initializeContext(); |
| return; |
| } |
| } |
| |
| void MetalWindowContext::destroyContext() { |
| if (fContext) { |
| // in case we have outstanding refs to this (lua?) |
| fContext->abandonContext(); |
| fContext.reset(); |
| } |
| |
| this->onDestroyContext(); |
| |
| fMetalLayer = nil; |
| fValid = false; |
| |
| #if GR_METAL_SDK_VERSION >= 230 |
| if (@available(macOS 11.0, iOS 14.0, *)) { |
| [fPipelineArchive release]; |
| } |
| #endif |
| fQueue.reset(); |
| fDevice.reset(); |
| } |
| |
| sk_sp<SkSurface> MetalWindowContext::getBackbufferSurface() { |
| sk_sp<SkSurface> surface; |
| if (fContext) { |
| if (fDisplayParams.fDelayDrawableAcquisition) { |
| surface = SkSurface::MakeFromCAMetalLayer(fContext.get(), |
| (__bridge GrMTLHandle)fMetalLayer, |
| kTopLeft_GrSurfaceOrigin, fSampleCount, |
| kBGRA_8888_SkColorType, |
| fDisplayParams.fColorSpace, |
| &fDisplayParams.fSurfaceProps, |
| &fDrawableHandle); |
| } else { |
| id<CAMetalDrawable> currentDrawable = [fMetalLayer nextDrawable]; |
| |
| GrMtlTextureInfo fbInfo; |
| fbInfo.fTexture.retain(currentDrawable.texture); |
| |
| GrBackendRenderTarget backendRT(fWidth, |
| fHeight, |
| fSampleCount, |
| fbInfo); |
| |
| surface = SkSurface::MakeFromBackendRenderTarget(fContext.get(), backendRT, |
| kTopLeft_GrSurfaceOrigin, |
| kBGRA_8888_SkColorType, |
| fDisplayParams.fColorSpace, |
| &fDisplayParams.fSurfaceProps); |
| |
| fDrawableHandle = CFRetain((GrMTLHandle) currentDrawable); |
| } |
| } |
| |
| return surface; |
| } |
| |
| void MetalWindowContext::swapBuffers() { |
| id<CAMetalDrawable> currentDrawable = (id<CAMetalDrawable>)fDrawableHandle; |
| |
| id<MTLCommandBuffer> commandBuffer([*fQueue commandBuffer]); |
| commandBuffer.label = @"Present"; |
| |
| [commandBuffer presentDrawable:currentDrawable]; |
| [commandBuffer commit]; |
| // ARC is off in sk_app, so we need to release the CF ref manually |
| CFRelease(fDrawableHandle); |
| fDrawableHandle = nil; |
| } |
| |
| void MetalWindowContext::setDisplayParams(const DisplayParams& params) { |
| this->destroyContext(); |
| fDisplayParams = params; |
| this->initializeContext(); |
| } |
| |
| void MetalWindowContext::activate(bool isActive) { |
| // serialize pipeline archive |
| if (!isActive) { |
| #if GR_METAL_SDK_VERSION >= 230 |
| if (@available(macOS 11.0, iOS 14.0, *)) { |
| if (fPipelineArchive) { |
| NSError* error; |
| [fPipelineArchive serializeToURL:CacheURL() error:&error]; |
| if (error) { |
| SkDebugf("Error storing MTLBinaryArchive:\n%s\n", |
| error.debugDescription.UTF8String); |
| } |
| } |
| } |
| #endif |
| } |
| } |
| |
| } //namespace sk_app |