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- add vk_submit_multithread for doing command buffer submit calls on a worker thread

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- add vk_submit_size for testing various command buffer sizes before flushing them
- add submitted command buffer count to renderstats
This commit is contained in:
Magnus Norddahl 2019-04-19 22:42:32 +02:00
parent 3957a19bd0
commit 458da39c39
4 changed files with 121 additions and 22 deletions
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6
src/rendering/hwrenderer/utility/hw_clock.cpp
View file

@ -54,7 +54,7 @@ glcycle_t twoD, Flush3D;
glcycle_t MTWait, WTTotal;
int vertexcount, flatvertices, flatprimitives;
int rendered_lines,rendered_flats,rendered_sprites,render_vertexsplit,render_texsplit,rendered_decals, rendered_portals;
int rendered_lines,rendered_flats,rendered_sprites,render_vertexsplit,render_texsplit,rendered_decals, rendered_portals, rendered_commandbuffers;
int iter_dlightf, iter_dlight, draw_dlight, draw_dlightf;
void ResetProfilingData()
@ -113,8 +113,8 @@ static void AppendRenderStats(FString &out)
{
out.AppendFormat("Walls: %d (%d splits, %d t-splits, %d vertices)\n"
"Flats: %d (%d primitives, %d vertices)\n"
"Sprites: %d, Decals=%d, Portals: %d\n",
rendered_lines, render_vertexsplit, render_texsplit, vertexcount, rendered_flats, flatprimitives, flatvertices, rendered_sprites,rendered_decals, rendered_portals );
"Sprites: %d, Decals=%d, Portals: %d, Command buffers: %d\n",
rendered_lines, render_vertexsplit, render_texsplit, vertexcount, rendered_flats, flatprimitives, flatvertices, rendered_sprites,rendered_decals, rendered_portals, rendered_commandbuffers );
}
static void AppendLightStats(FString &out)

4
src/rendering/vulkan/renderer/vk_renderstate.cpp
View file

@ -17,6 +17,8 @@
#include "hwrenderer/data/hw_viewpointbuffer.h"
#include "hwrenderer/data/shaderuniforms.h"
CVAR(Int, vk_submit_size, 1000, 0);
VkRenderState::VkRenderState()
{
mIdentityMatrix.loadIdentity();
@ -161,7 +163,7 @@ void VkRenderState::EnableLineSmooth(bool on)
void VkRenderState::Apply(int dt)
{
mApplyCount++;
if (mApplyCount == 1000)
if (mApplyCount >= vk_submit_size)
{
EndRenderPass();
GetVulkanFrameBuffer()->FlushCommands();

118
src/rendering/vulkan/system/vk_framebuffer.cpp
View file

@ -68,7 +68,11 @@ EXTERN_CVAR(Int, screenblocks)
EXTERN_CVAR(Bool, cl_capfps)
EXTERN_CVAR(Bool, gl_no_skyclear)
CVAR(Bool, vk_submit_multithread, false, 0)
extern bool NoInterpolateView;
extern int rendered_commandbuffers;
int current_rendered_commandbuffers;
VulkanFrameBuffer::VulkanFrameBuffer(void *hMonitor, bool fullscreen, VulkanDevice *dev) :
Super(hMonitor, fullscreen)
@ -91,6 +95,8 @@ VulkanFrameBuffer::VulkanFrameBuffer(void *hMonitor, bool fullscreen, VulkanDevi
VulkanFrameBuffer::~VulkanFrameBuffer()
{
StopSubmitThread();
// All descriptors must be destroyed before the descriptor pool in renderpass manager is destroyed
for (VkHardwareTexture *cur = VkHardwareTexture::First; cur; cur = cur->Next)
cur->Reset();
@ -189,42 +195,112 @@ void VulkanFrameBuffer::DeleteFrameObjects()
FrameDeleteList.CommandBuffers.clear();
}
void VulkanFrameBuffer::StartSubmitThread()
{
if (!mSubmitThread.joinable())
{
mSubmitThread = std::thread([this] { SubmitThreadMain(); });
}
}
void VulkanFrameBuffer::StopSubmitThread()
{
if (mSubmitThread.joinable())
{
std::unique_lock<std::mutex> lock(mSubmitMutex);
mSubmitExitFlag = true;
lock.unlock();
mSubmitCondVar.notify_all();
mSubmitThread.join();
mSubmitThread = {};
lock.lock();
mSubmitExitFlag = false;
}
}
void VulkanFrameBuffer::SubmitThreadMain()
{
while (true)
{
std::unique_lock<std::mutex> lock(mSubmitMutex);
mSubmitCondVar.wait(lock, [&]() { return mSubmitExitFlag || !mSubmitQueue.empty(); });
std::vector<VulkanCommandBuffer*> commands;
commands.swap(mSubmitQueue);
mSubmitItemsActive = commands.size();
lock.unlock();
FlushCommands(commands.data(), commands.size());
lock.lock();
mSubmitItemsActive = 0;
if (mSubmitQueue.empty())
mSubmitDone.notify_all();
if (mSubmitExitFlag)
break;
}
}
void VulkanFrameBuffer::FlushCommands(VulkanCommandBuffer **commands, size_t count)
{
int currentIndex = nextSubmitQueue % submitQueueSize;
if (nextSubmitQueue >= submitQueueSize)
{
vkWaitForFences(device->device, 1, &mSubmitFence[currentIndex]->fence, VK_TRUE, std::numeric_limits<uint64_t>::max());
vkResetFences(device->device, 1, &mSubmitFence[currentIndex]->fence);
}
QueueSubmit submit;
for (size_t i = 0; i < count; i++)
submit.addCommandBuffer(commands[i]);
if (nextSubmitQueue > 0)
submit.addWait(VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, mSubmitSemaphore[(nextSubmitQueue - 1) % submitQueueSize].get());
submit.addSignal(mSubmitSemaphore[currentIndex].get());
submit.execute(device, device->graphicsQueue, mSubmitFence[currentIndex].get());
nextSubmitQueue++;
}
void VulkanFrameBuffer::FlushCommands()
{
if (mDrawCommands || mTransferCommands)
{
int currentIndex = nextSubmitQueue % submitQueueSize;
if (nextSubmitQueue >= submitQueueSize)
{
vkWaitForFences(device->device, 1, &mSubmitFence[currentIndex]->fence, VK_TRUE, std::numeric_limits<uint64_t>::max());
vkResetFences(device->device, 1, &mSubmitFence[currentIndex]->fence);
}
QueueSubmit submit;
VulkanCommandBuffer *commands[2];
size_t count = 0;
if (mTransferCommands)
{
mTransferCommands->end();
submit.addCommandBuffer(mTransferCommands.get());
commands[count++] = mTransferCommands.get();
FrameDeleteList.CommandBuffers.push_back(std::move(mTransferCommands));
}
if (mDrawCommands)
{
mDrawCommands->end();
submit.addCommandBuffer(mDrawCommands.get());
commands[count++] = mDrawCommands.get();
FrameDeleteList.CommandBuffers.push_back(std::move(mDrawCommands));
}
if (nextSubmitQueue > 0)
submit.addWait(VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, mSubmitSemaphore[(nextSubmitQueue - 1) % submitQueueSize].get());
current_rendered_commandbuffers += (int)count;
submit.addSignal(mSubmitSemaphore[currentIndex].get());
submit.execute(device, device->graphicsQueue, mSubmitFence[currentIndex].get());
nextSubmitQueue++;
if (vk_submit_multithread)
{
StartSubmitThread();
std::unique_lock<std::mutex> lock(mSubmitMutex);
for (size_t i = 0; i < count; i++)
mSubmitQueue.push_back(commands[i]);
lock.unlock();
mSubmitCondVar.notify_all();
}
else
{
StopSubmitThread();
FlushCommands(commands, count);
}
}
}
@ -242,6 +318,10 @@ void VulkanFrameBuffer::WaitForCommands(bool finish)
FlushCommands();
std::unique_lock<std::mutex> lock(mSubmitMutex);
mSubmitDone.wait(lock, [&]() { return mSubmitQueue.empty() && mSubmitItemsActive == 0; });
lock.unlock();
QueueSubmit submit;
if (nextSubmitQueue > 0)
@ -280,6 +360,8 @@ void VulkanFrameBuffer::WaitForCommands(bool finish)
if (finish)
{
Finish.Unclock();
rendered_commandbuffers = current_rendered_commandbuffers;
current_rendered_commandbuffers = 0;
}
}

15
src/rendering/vulkan/system/vk_framebuffer.h
View file

@ -3,6 +3,9 @@
#include "gl_sysfb.h"
#include "vk_device.h"
#include "vk_objects.h"
#include <thread>
#include <mutex>
#include <condition_variable>
struct FRenderViewpoint;
class VkSamplerManager;
@ -111,6 +114,10 @@ private:
void CopyScreenToBuffer(int w, int h, void *data);
void UpdateShadowMap();
void DeleteFrameObjects();
void StartSubmitThread();
void StopSubmitThread();
void SubmitThreadMain();
void FlushCommands(VulkanCommandBuffer **commands, size_t count);
std::unique_ptr<VkShaderManager> mShaderManager;
std::unique_ptr<VkSamplerManager> mSamplerManager;
@ -134,6 +141,14 @@ private:
std::unique_ptr<VulkanFence> mRenderFinishedFence;
VkRenderBuffers *mActiveRenderBuffers = nullptr;
std::thread mSubmitThread;
std::condition_variable mSubmitCondVar;
std::condition_variable mSubmitDone;
std::mutex mSubmitMutex;
std::vector<VulkanCommandBuffer*> mSubmitQueue;
size_t mSubmitItemsActive = 0;
bool mSubmitExitFlag = false;
};
inline VulkanFrameBuffer *GetVulkanFrameBuffer() { return static_cast<VulkanFrameBuffer*>(screen); }