skia2/tools/gpu/mtl/MtlTestContext.mm

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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "MtlTestContext.h"
#include "GrContext.h"
#include "GrContextOptions.h"
#import <Metal/Metal.h>
#ifdef SK_METAL
// Helper macros for autorelease pools
#define SK_BEGIN_AUTORELEASE_BLOCK @autoreleasepool {
#define SK_END_AUTORELEASE_BLOCK }
namespace {
/**
* Implements sk_gpu_test::FenceSync for Metal.
*/
// TODO
#if 0
class MtlFenceSync : public sk_gpu_test::FenceSync {
public:
MtlFenceSync(sk_sp<const GrVkInterface> vk, VkDevice device, VkQueue queue,
uint32_t queueFamilyIndex)
: fVk(std::move(vk))
, fDevice(device)
, fQueue(queue) {
SkDEBUGCODE(fUnfinishedSyncs = 0;)
VkCommandPoolCreateInfo createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
createInfo.pNext = nullptr;
createInfo.flags = 0;
createInfo.queueFamilyIndex = queueFamilyIndex;
GR_VK_CALL_ERRCHECK(fVk, CreateCommandPool(fDevice, &createInfo, nullptr, &fCommandPool));
VkCommandBufferAllocateInfo allocateInfo;
allocateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
allocateInfo.pNext = nullptr;
allocateInfo.commandBufferCount = 1;
allocateInfo.commandPool = fCommandPool;
allocateInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
GR_VK_CALL_ERRCHECK(fVk, AllocateCommandBuffers(fDevice, &allocateInfo, &fCommandBuffer));
VkCommandBufferBeginInfo beginInfo;
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
beginInfo.pNext = nullptr;
beginInfo.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
beginInfo.pInheritanceInfo = nullptr;
GR_VK_CALL_ERRCHECK(fVk, BeginCommandBuffer(fCommandBuffer, &beginInfo));
GR_VK_CALL_ERRCHECK(fVk, EndCommandBuffer(fCommandBuffer));
}
~VkFenceSync() override {
SkASSERT(!fUnfinishedSyncs);
// If the above assertion is true then the command buffer should not be in flight.
GR_VK_CALL(fVk, FreeCommandBuffers(fDevice, fCommandPool, 1, &fCommandBuffer));
GR_VK_CALL(fVk, DestroyCommandPool(fDevice, fCommandPool, nullptr));
}
sk_gpu_test::PlatformFence SK_WARN_UNUSED_RESULT insertFence() const override {
VkFence fence;
VkFenceCreateInfo info;
info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
info.pNext = nullptr;
info.flags = 0;
GR_VK_CALL_ERRCHECK(fVk, CreateFence(fDevice, &info, nullptr, &fence));
VkSubmitInfo submitInfo;
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submitInfo.pNext = nullptr;
submitInfo.waitSemaphoreCount = 0;
submitInfo.pWaitSemaphores = nullptr;
submitInfo.pWaitDstStageMask = nullptr;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &fCommandBuffer;
submitInfo.signalSemaphoreCount = 0;
submitInfo.pSignalSemaphores = nullptr;
GR_VK_CALL_ERRCHECK(fVk, QueueSubmit(fQueue, 1, &submitInfo, fence));
SkDEBUGCODE(++fUnfinishedSyncs;)
return (sk_gpu_test::PlatformFence)fence;
}
bool waitFence(sk_gpu_test::PlatformFence opaqueFence) const override {
VkFence fence = (VkFence)opaqueFence;
static constexpr uint64_t kForever = ~((uint64_t)0);
auto result = GR_VK_CALL(fVk, WaitForFences(fDevice, 1, &fence, true, kForever));
return result != VK_TIMEOUT;
}
void deleteFence(sk_gpu_test::PlatformFence opaqueFence) const override {
VkFence fence = (VkFence)opaqueFence;
GR_VK_CALL(fVk, DestroyFence(fDevice, fence, nullptr));
SkDEBUGCODE(--fUnfinishedSyncs;)
}
private:
sk_sp<const GrVkInterface> fVk;
VkDevice fDevice;
VkQueue fQueue;
VkCommandPool fCommandPool;
VkCommandBuffer fCommandBuffer;
SkDEBUGCODE(mutable int fUnfinishedSyncs;)
typedef sk_gpu_test::FenceSync INHERITED;
};
GR_STATIC_ASSERT(sizeof(VkFence) <= sizeof(sk_gpu_test::PlatformFence));
#endif
class MtlTestContext : public sk_gpu_test::TestContext {
public:
static MtlTestContext* Create(TestContext* sharedContext) {
SK_BEGIN_AUTORELEASE_BLOCK
SkASSERT(!sharedContext);
id<MTLDevice> device = MTLCreateSystemDefaultDevice();
id<MTLCommandQueue> queue = [device newCommandQueue];
return new MtlTestContext(device, queue);
SK_END_AUTORELEASE_BLOCK
}
~MtlTestContext() override { this->teardown(); }
GrBackendApi backend() override { return GrBackendApi::kMetal; }
void testAbandon() override {}
// There is really nothing to here since we don't own any unqueued command buffers here.
void submit() override {}
void finish() override {}
sk_sp<GrContext> makeGrContext(const GrContextOptions& options) override {
return GrContext::MakeMetal((__bridge_retained void*)fDevice,
(__bridge_retained void*)fQueue,
options);
}
private:
MtlTestContext(id<MTLDevice> device, id<MTLCommandQueue> queue)
: fDevice(device), fQueue(queue) {
fFenceSync.reset(nullptr);
}
void onPlatformMakeCurrent() const override {}
std::function<void()> onPlatformGetAutoContextRestore() const override { return nullptr; }
void onPlatformSwapBuffers() const override {}
id<MTLDevice> fDevice;
id<MTLCommandQueue> fQueue;
typedef sk_gpu_test::TestContext INHERITED;
};
} // anonymous namespace
namespace sk_gpu_test {
TestContext* CreatePlatformMtlTestContext(TestContext* sharedContext) {
return MtlTestContext::Create(sharedContext);
}
} // namespace sk_gpu_test
#endif