110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
/*
|
|
Created on: Oct 8, 2019
|
|
|
|
Copyright 2019 flyinghead
|
|
|
|
This file is part of Flycast.
|
|
|
|
Flycast is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Flycast is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include "vulkan_context.h"
|
|
|
|
class CommandPool
|
|
{
|
|
public:
|
|
void Init()
|
|
{
|
|
if (commandPools.size() > chainSize)
|
|
{
|
|
commandPools.resize(chainSize);
|
|
fences.resize(chainSize);
|
|
}
|
|
else
|
|
{
|
|
while (commandPools.size() < chainSize)
|
|
{
|
|
commandPools.push_back(VulkanContext::Instance()->GetDevice().createCommandPoolUnique(
|
|
vk::CommandPoolCreateInfo(vk::CommandPoolCreateFlagBits::eTransient, VulkanContext::Instance()->GetGraphicsQueueFamilyIndex())));
|
|
fences.push_back(VulkanContext::Instance()->GetDevice().createFenceUnique(vk::FenceCreateInfo(vk::FenceCreateFlagBits::eSignaled)));
|
|
}
|
|
}
|
|
if (freeBuffers.size() != chainSize)
|
|
freeBuffers.resize(chainSize);
|
|
if (inFlightBuffers.size() != chainSize)
|
|
inFlightBuffers.resize(chainSize);
|
|
}
|
|
|
|
void Term()
|
|
{
|
|
freeBuffers.clear();
|
|
inFlightBuffers.clear();
|
|
fences.clear();
|
|
commandPools.clear();
|
|
}
|
|
|
|
void EndFrame()
|
|
{
|
|
std::vector<vk::CommandBuffer> commandBuffers = vk::uniqueToRaw(inFlightBuffers[index]);
|
|
VulkanContext::Instance()->SubmitCommandBuffers(commandBuffers.size(), commandBuffers.data(), *fences[index]);
|
|
}
|
|
|
|
void BeginFrame()
|
|
{
|
|
index = (index + 1) % chainSize;
|
|
VulkanContext::Instance()->GetDevice().waitForFences(1, &fences[index].get(), true, UINT64_MAX);
|
|
VulkanContext::Instance()->GetDevice().resetFences(1, &fences[index].get());
|
|
std::vector<vk::UniqueCommandBuffer>& inFlight = inFlightBuffers[index];
|
|
std::vector<vk::UniqueCommandBuffer>& freeBuf = freeBuffers[index];
|
|
std::move(inFlight.begin(), inFlight.end(), std::back_inserter(freeBuf));
|
|
inFlight.clear();
|
|
VulkanContext::Instance()->GetDevice().resetCommandPool(*commandPools[index], vk::CommandPoolResetFlagBits::eReleaseResources);
|
|
}
|
|
|
|
vk::CommandBuffer Allocate()
|
|
{
|
|
if (freeBuffers[index].empty())
|
|
{
|
|
inFlightBuffers[index].emplace_back(std::move(
|
|
VulkanContext::Instance()->GetDevice().allocateCommandBuffersUnique(vk::CommandBufferAllocateInfo(*commandPools[index], vk::CommandBufferLevel::ePrimary, 1))
|
|
.front()));
|
|
}
|
|
else
|
|
{
|
|
inFlightBuffers[index].emplace_back(std::move(freeBuffers[index].back()));
|
|
freeBuffers[index].pop_back();
|
|
}
|
|
return *inFlightBuffers[index].back();
|
|
}
|
|
|
|
vk::Fence GetCurrentFence()
|
|
{
|
|
return *fences[index];
|
|
}
|
|
|
|
int GetIndex() const
|
|
{
|
|
return index;
|
|
}
|
|
|
|
private:
|
|
int index = 0;
|
|
std::vector<std::vector<vk::UniqueCommandBuffer>> freeBuffers;
|
|
std::vector<std::vector<vk::UniqueCommandBuffer>> inFlightBuffers;
|
|
std::vector<vk::UniqueCommandPool> commandPools;
|
|
std::vector<vk::UniqueFence> fences;
|
|
// size should be the same as used by client: 2 for renderer (texCommandPool)
|
|
static constexpr size_t chainSize = 2;
|
|
};
|