blob: 8b2c7e9347ac2c03d8e637c0d30c067d21bf6817 [file] [log] [blame]
/*
* Copyright 2021 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "include/gpu/graphite/mtl/MtlGraphiteUtils.h"
#include "src/gpu/graphite/mtl/MtlGraphiteUtilsPriv.h"
#include "include/gpu/ShaderErrorHandler.h"
#include "include/gpu/graphite/Context.h"
#include "src/core/SkTraceEvent.h"
#include "src/gpu/graphite/ContextPriv.h"
#include "src/gpu/graphite/mtl/MtlQueueManager.h"
#include "src/gpu/graphite/mtl/MtlSharedContext.h"
#include "src/gpu/mtl/MtlUtilsPriv.h"
namespace skgpu::graphite {
namespace ContextFactory {
std::unique_ptr<Context> MakeMetal(const MtlBackendContext& backendContext,
const ContextOptions& options) {
sk_sp<SharedContext> sharedContext = MtlSharedContext::Make(backendContext, options);
if (!sharedContext) {
return nullptr;
}
sk_cfp<id<MTLCommandQueue>> queue =
sk_ret_cfp((id<MTLCommandQueue>)(backendContext.fQueue.get()));
auto queueManager = std::make_unique<MtlQueueManager>(std::move(queue), sharedContext.get());
if (!queueManager) {
return nullptr;
}
return ContextCtorAccessor::MakeContext(std::move(sharedContext),
std::move(queueManager),
options);
}
} // namespace ContextFactory
sk_cfp<id<MTLLibrary>> 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<char*>(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<id<MTLLibrary>> 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<char*>(label.data())
length:label.size()
encoding:NSUTF8StringEncoding
freeWhenDone:NO];
compiledLibrary.get().label = nsLabel;
return compiledLibrary;
}
size_t MtlFormatBytesPerBlock(MtlPixelFormat format) {
return skgpu::MtlFormatBytesPerBlock((MTLPixelFormat) format);
}
SkTextureCompressionType MtlFormatToCompressionType(MtlPixelFormat format) {
return skgpu::MtlFormatToCompressionType((MTLPixelFormat) format);
}
} // namespace skgpu::graphite