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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "VkTestContext.h"
#ifdef SK_VULKAN
#include "GrContext.h"
#include "VkTestUtils.h"
#include "vk/GrVkInterface.h"
#include "vk/GrVkUtil.h"
namespace {
#define ACQUIRE_VK_PROC(name, device) \
f##name = reinterpret_cast<PFN_vk##name>(getProc("vk" #name, nullptr, device)); \
SkASSERT(f##name);
/**
* Implements sk_gpu_test::FenceSync for Vulkan. It creates a single command
* buffer with USAGE_SIMULTANEOUS with no content . On every insertFence request
* it submits the command buffer with a new fence.
*/
class VkFenceSync : public sk_gpu_test::FenceSync {
public:
VkFenceSync(GrVkGetProc getProc, VkDevice device, VkQueue queue,
uint32_t queueFamilyIndex)
: fDevice(device)
, fQueue(queue) {
ACQUIRE_VK_PROC(CreateCommandPool, device);
ACQUIRE_VK_PROC(DestroyCommandPool, device);
ACQUIRE_VK_PROC(AllocateCommandBuffers, device);
ACQUIRE_VK_PROC(FreeCommandBuffers, device);
ACQUIRE_VK_PROC(BeginCommandBuffer, device);
ACQUIRE_VK_PROC(EndCommandBuffer, device);
ACQUIRE_VK_PROC(CreateFence, device);
ACQUIRE_VK_PROC(DestroyFence, device);
ACQUIRE_VK_PROC(WaitForFences, device);
ACQUIRE_VK_PROC(QueueSubmit, device);
VkResult result;
SkDEBUGCODE(fUnfinishedSyncs = 0;)
VkCommandPoolCreateInfo createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
createInfo.pNext = nullptr;
createInfo.flags = 0;
createInfo.queueFamilyIndex = queueFamilyIndex;
result = fCreateCommandPool(fDevice, &createInfo, nullptr, &fCommandPool);
SkASSERT(VK_SUCCESS == result);
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;
result = fAllocateCommandBuffers(fDevice, &allocateInfo, &fCommandBuffer);
SkASSERT(VK_SUCCESS == result);
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;
result = fBeginCommandBuffer(fCommandBuffer, &beginInfo);
SkASSERT(VK_SUCCESS == result);
result = fEndCommandBuffer(fCommandBuffer);
SkASSERT(VK_SUCCESS == result);
}
~VkFenceSync() override {
SkASSERT(!fUnfinishedSyncs);
// If the above assertion is true then the command buffer should not be in flight.
fFreeCommandBuffers(fDevice, fCommandPool, 1, &fCommandBuffer);
fDestroyCommandPool(fDevice, fCommandPool, nullptr);
}
sk_gpu_test::PlatformFence SK_WARN_UNUSED_RESULT insertFence() const override {
VkResult result;
VkFence fence;
VkFenceCreateInfo info;
info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
info.pNext = nullptr;
info.flags = 0;
result = fCreateFence(fDevice, &info, nullptr, &fence);
SkASSERT(VK_SUCCESS == result);
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;
result = fQueueSubmit(fQueue, 1, &submitInfo, fence);
SkASSERT(VK_SUCCESS == result);
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 = fWaitForFences(fDevice, 1, &fence, true, kForever);
return result != VK_TIMEOUT;
}
void deleteFence(sk_gpu_test::PlatformFence opaqueFence) const override {
VkFence fence = (VkFence)opaqueFence;
fDestroyFence(fDevice, fence, nullptr);
SkDEBUGCODE(--fUnfinishedSyncs;)
}
private:
VkDevice fDevice;
VkQueue fQueue;
VkCommandPool fCommandPool;
VkCommandBuffer fCommandBuffer;
PFN_vkCreateCommandPool fCreateCommandPool = nullptr;
PFN_vkDestroyCommandPool fDestroyCommandPool = nullptr;
PFN_vkAllocateCommandBuffers fAllocateCommandBuffers = nullptr;
PFN_vkFreeCommandBuffers fFreeCommandBuffers = nullptr;
PFN_vkBeginCommandBuffer fBeginCommandBuffer = nullptr;
PFN_vkEndCommandBuffer fEndCommandBuffer = nullptr;
PFN_vkCreateFence fCreateFence = nullptr;
PFN_vkDestroyFence fDestroyFence = nullptr;
PFN_vkWaitForFences fWaitForFences = nullptr;
PFN_vkQueueSubmit fQueueSubmit = nullptr;
SkDEBUGCODE(mutable int fUnfinishedSyncs;)
typedef sk_gpu_test::FenceSync INHERITED;
};
GR_STATIC_ASSERT(sizeof(VkFence) <= sizeof(sk_gpu_test::PlatformFence));
// TODO: Implement swap buffers and finish
class VkTestContextImpl : public sk_gpu_test::VkTestContext {
public:
static VkTestContext* Create(VkTestContext* sharedContext) {
GrVkBackendContext backendContext;
bool ownsContext = true;
VkDebugReportCallbackEXT debugCallback = VK_NULL_HANDLE;
if (sharedContext) {
backendContext = sharedContext->getVkBackendContext();
// We always delete the parent context last so make sure the child does not think they
// own the vulkan context.
ownsContext = false;
} else {
PFN_vkGetInstanceProcAddr instProc;
PFN_vkGetDeviceProcAddr devProc;
if (!sk_gpu_test::LoadVkLibraryAndGetProcAddrFuncs(&instProc, &devProc)) {
return nullptr;
}
if (!sk_gpu_test::CreateVkBackendContext(instProc, devProc, &backendContext,
&debugCallback)) {
return nullptr;
}
}
return new VkTestContextImpl(backendContext, ownsContext, debugCallback);
}
~VkTestContextImpl() override { this->teardown(); }
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::MakeVulkan(fVk, options);
}
protected:
#define ACQUIRE_VK_PROC_LOCAL(name, inst) \
PFN_vk##name grVk##name = \
reinterpret_cast<PFN_vk##name>(fVk.fGetProc("vk" #name, inst, nullptr)); \
if (grVk##name == nullptr) { \
SkDebugf("Function ptr for vk%s could not be acquired\n", #name); \
return; \
}
void teardown() override {
INHERITED::teardown();
fVk.fMemoryAllocator.reset();
if (fOwnsContext) {
ACQUIRE_VK_PROC_LOCAL(DeviceWaitIdle, fVk.fInstance);
ACQUIRE_VK_PROC_LOCAL(DestroyDevice, fVk.fInstance);
ACQUIRE_VK_PROC_LOCAL(DestroyInstance, fVk.fInstance);
grVkDeviceWaitIdle(fVk.fDevice);
grVkDestroyDevice(fVk.fDevice, nullptr);
#ifdef SK_ENABLE_VK_LAYERS
if (fDebugCallback != VK_NULL_HANDLE) {
ACQUIRE_VK_PROC_LOCAL(DestroyDebugReportCallbackEXT, fVk.fInstance);
grVkDestroyDebugReportCallbackEXT(fVk.fInstance, fDebugCallback, nullptr);
}
#endif
grVkDestroyInstance(fVk.fInstance, nullptr);
}
}
private:
VkTestContextImpl(const GrVkBackendContext& backendContext, bool ownsContext,
VkDebugReportCallbackEXT debugCallback)
: VkTestContext(backendContext, ownsContext, debugCallback) {
fFenceSync.reset(new VkFenceSync(fVk.fGetProc, fVk.fDevice, fVk.fQueue,
fVk.fGraphicsQueueIndex));
}
void onPlatformMakeCurrent() const override {}
std::function<void()> onPlatformGetAutoContextRestore() const override { return nullptr; }
void onPlatformSwapBuffers() const override {}
typedef sk_gpu_test::VkTestContext INHERITED;
};
} // anonymous namespace
namespace sk_gpu_test {
VkTestContext* CreatePlatformVkTestContext(VkTestContext* sharedContext) {
return VkTestContextImpl::Create(sharedContext);
}
} // namespace sk_gpu_test
#endif
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