81b7e3df38
Bug: skia:8243 Change-Id: I609db0bf4183b3508c002f9f2d0a8a70a276edca Reviewed-on: https://skia-review.googlesource.com/c/skia/+/217942 Commit-Queue: Jim Van Verth <jvanverth@google.com> Reviewed-by: Greg Daniel <egdaniel@google.com>
133 lines
3.8 KiB
Plaintext
133 lines
3.8 KiB
Plaintext
/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "tools/gpu/mtl/MtlTestContext.h"
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#include "include/gpu/GrContext.h"
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#include "include/gpu/GrContextOptions.h"
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#include "src/gpu/mtl/GrMtlUtil.h"
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#ifdef SK_METAL
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#import <Metal/Metal.h>
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namespace {
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/**
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* Implements sk_gpu_test::FenceSync for Metal.
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*
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* Fences as MTLSharedEvents are not supported across all Metal platforms, so we do
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* the next best thing and submit an empty MTLCommandBuffer and track when it's complete.
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*/
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class MtlFenceSync : public sk_gpu_test::FenceSync {
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public:
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MtlFenceSync(id<MTLCommandQueue> queue)
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: fQueue(queue) {
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SkDEBUGCODE(fUnfinishedSyncs = 0;)
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}
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~MtlFenceSync() override {
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SkASSERT(!fUnfinishedSyncs);
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}
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sk_gpu_test::PlatformFence SK_WARN_UNUSED_RESULT insertFence() const override {
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id<MTLCommandBuffer> cmdBuffer = [fQueue commandBuffer];
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cmdBuffer.label = @"Fence";
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[cmdBuffer commit];
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SkDEBUGCODE(++fUnfinishedSyncs;)
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void* cfCmdBuffer = (__bridge_retained void*)cmdBuffer;
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return (sk_gpu_test::PlatformFence)cfCmdBuffer;
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}
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bool waitFence(sk_gpu_test::PlatformFence opaqueFence) const override {
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void* cfCmdBuffer = (void*) opaqueFence;
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id<MTLCommandBuffer> cmdBuffer = (__bridge id<MTLCommandBuffer>) cfCmdBuffer;
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[cmdBuffer waitUntilCompleted];
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return (MTLCommandBufferStatusError != cmdBuffer.status);
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}
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void deleteFence(sk_gpu_test::PlatformFence opaqueFence) const override {
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CFRelease((void*) opaqueFence);
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SkDEBUGCODE(--fUnfinishedSyncs;)
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}
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private:
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id<MTLCommandQueue> fQueue;
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SkDEBUGCODE(mutable int fUnfinishedSyncs;)
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typedef sk_gpu_test::FenceSync INHERITED;
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};
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GR_STATIC_ASSERT(sizeof(uint64_t) <= sizeof(sk_gpu_test::PlatformFence));
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class MtlTestContextImpl : public sk_gpu_test::MtlTestContext {
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public:
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static MtlTestContext* Create(MtlTestContext* sharedContext) {
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id<MTLDevice> device;
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id<MTLCommandQueue> queue;
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if (sharedContext) {
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MtlTestContextImpl* sharedContextImpl = (MtlTestContextImpl*) sharedContext;
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device = sharedContextImpl->device();
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queue = sharedContextImpl->queue();
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} else {
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device = MTLCreateSystemDefaultDevice();
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queue = [device newCommandQueue];
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}
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return new MtlTestContextImpl(device, queue);
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}
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~MtlTestContextImpl() override { this->teardown(); }
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void testAbandon() override {}
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// There is really nothing to do here since we don't own any unqueued command buffers here.
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void submit() override {}
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void finish() override {}
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sk_sp<GrContext> makeGrContext(const GrContextOptions& options) override {
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return GrContext::MakeMetal((__bridge void*)fDevice,
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(__bridge void*)fQueue,
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options);
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}
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id<MTLDevice> device() { return fDevice; }
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id<MTLCommandQueue> queue() { return fQueue; }
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private:
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MtlTestContextImpl(id<MTLDevice> device, id<MTLCommandQueue> queue)
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: INHERITED(), fDevice(device), fQueue(queue) {
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fFenceSync.reset(new MtlFenceSync(queue));
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}
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void onPlatformMakeCurrent() const override {}
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std::function<void()> onPlatformGetAutoContextRestore() const override { return nullptr; }
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void onPlatformSwapBuffers() const override {}
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id<MTLDevice> fDevice;
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id<MTLCommandQueue> fQueue;
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typedef sk_gpu_test::MtlTestContext INHERITED;
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};
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} // anonymous namespace
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namespace sk_gpu_test {
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MtlTestContext* CreatePlatformMtlTestContext(MtlTestContext* sharedContext) {
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return MtlTestContextImpl::Create(sharedContext);
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}
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} // namespace sk_gpu_test
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#endif
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