fixing render finished semaphore based on max frame in flight issue (#155)

This commit is contained in:
kbz_8
2025-10-22 13:37:25 +02:00
committed by GitHub
2 changed files with 37 additions and 19 deletions

View File

@@ -38,8 +38,8 @@ namespace mlx
private:
Swapchain m_swapchain;
std::vector<VkSemaphore> m_render_finished_semaphores;
std::array<VkSemaphore, MAX_FRAMES_IN_FLIGHT> m_image_available_semaphores;
std::array<VkSemaphore, MAX_FRAMES_IN_FLIGHT> m_render_finished_semaphores;
std::array<VkCommandBuffer, MAX_FRAMES_IN_FLIGHT> m_cmd_buffers;
std::array<VkFence, MAX_FRAMES_IN_FLIGHT> m_cmd_fences;
NonOwningPtr<Window> p_window;

View File

@@ -20,29 +20,42 @@ namespace mlx
MLX_PROFILE_FUNCTION();
p_window = window;
m_swapchain.Init(p_window);
for(std::size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++)
{
m_image_available_semaphores[i] = kvfCreateSemaphore(RenderCore::Get().GetDevice());
DebugLog("Vulkan: image available semaphore created");
m_render_finished_semaphores[i] = kvfCreateSemaphore(RenderCore::Get().GetDevice());
DebugLog("Vulkan: render finished semaphore created");
m_cmd_buffers[i] = kvfCreateCommandBuffer(RenderCore::Get().GetDevice());
DebugLog("Vulkan: command buffer created");
m_cmd_fences[i] = kvfCreateFence(RenderCore::Get().GetDevice());
DebugLog("Vulkan: fence created");
}
Init(NonOwningPtr<Texture>{ nullptr });
}
void Renderer::Init(NonOwningPtr<Texture> render_target)
{
MLX_PROFILE_FUNCTION();
p_render_target = render_target;
std::function<void(const EventBase&)> functor = [this](const EventBase& event)
{
if(event.What() == Event::ResizeEventCode)
{
for(std::size_t i = 0; i < m_render_finished_semaphores.size(); i++)
{
kvfDestroySemaphore(RenderCore::Get().GetDevice(), m_render_finished_semaphores[i]);
DebugLog("Vulkan: render finished semaphore destroyed");
}
m_render_finished_semaphores.clear();
for(std::size_t i = 0; i < (p_window ? m_swapchain.GetImagesCount() : 1); i++)
{
m_render_finished_semaphores.push_back(kvfCreateSemaphore(RenderCore::Get().GetDevice()));
DebugLog("Vulkan: render finished semaphore created");
}
}
};
EventBus::RegisterListener({ functor, "mlx_renderer_" + std::to_string(reinterpret_cast<std::uintptr_t>(this)) });
if(render_target)
p_render_target = render_target;
for(std::size_t i = 0; i < (p_window ? m_swapchain.GetImagesCount() : 1); i++)
{
m_render_finished_semaphores.push_back(kvfCreateSemaphore(RenderCore::Get().GetDevice()));
DebugLog("Vulkan: render finished semaphore created");
}
for(std::size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++)
{
m_image_available_semaphores[i] = kvfCreateSemaphore(RenderCore::Get().GetDevice());
DebugLog("Vulkan: image available semaphore created");
m_render_finished_semaphores[i] = kvfCreateSemaphore(RenderCore::Get().GetDevice());
DebugLog("Vulkan: render finished semaphore created");
m_cmd_buffers[i] = kvfCreateCommandBuffer(RenderCore::Get().GetDevice());
DebugLog("Vulkan: command buffer created");
m_cmd_fences[i] = kvfCreateFence(RenderCore::Get().GetDevice());
@@ -66,14 +79,15 @@ namespace mlx
void Renderer::EndFrame()
{
MLX_PROFILE_FUNCTION();
std::size_t render_finished_index = (p_window ? m_swapchain.GetImageIndex() : 0);
VkPipelineStageFlags wait_stages[] = { VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT };
kvfEndCommandBuffer(m_cmd_buffers[m_current_frame_index]);
if(p_window)
kvfSubmitCommandBuffer(RenderCore::Get().GetDevice(), m_cmd_buffers[m_current_frame_index], KVF_GRAPHICS_QUEUE, m_render_finished_semaphores[m_current_frame_index], m_image_available_semaphores[m_current_frame_index], m_cmd_fences[m_current_frame_index], wait_stages);
kvfSubmitCommandBuffer(RenderCore::Get().GetDevice(), m_cmd_buffers[m_current_frame_index], KVF_GRAPHICS_QUEUE, m_render_finished_semaphores[render_finished_index], m_image_available_semaphores[m_current_frame_index], m_cmd_fences[m_current_frame_index], wait_stages);
else
kvfSubmitCommandBuffer(RenderCore::Get().GetDevice(), m_cmd_buffers[m_current_frame_index], KVF_GRAPHICS_QUEUE, VK_NULL_HANDLE, VK_NULL_HANDLE, m_cmd_fences[m_current_frame_index], wait_stages);
if(p_window)
m_swapchain.Present(m_render_finished_semaphores[m_current_frame_index]);
m_swapchain.Present(m_render_finished_semaphores[render_finished_index]);
m_current_frame_index = (m_current_frame_index + 1) % MAX_FRAMES_IN_FLIGHT;
}
@@ -81,12 +95,16 @@ namespace mlx
{
MLX_PROFILE_FUNCTION();
RenderCore::Get().WaitDeviceIdle();
for(std::size_t i = 0; i < m_render_finished_semaphores.size(); i++)
{
kvfDestroySemaphore(RenderCore::Get().GetDevice(), m_render_finished_semaphores[i]);
DebugLog("Vulkan: render finished semaphore destroyed");
}
m_render_finished_semaphores.clear();
for(std::size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++)
{
kvfDestroySemaphore(RenderCore::Get().GetDevice(), m_image_available_semaphores[i]);
DebugLog("Vulkan: image available semaphore destroyed");
kvfDestroySemaphore(RenderCore::Get().GetDevice(), m_render_finished_semaphores[i]);
DebugLog("Vulkan: render finished semaphore destroyed");
kvfDestroyCommandBuffer(RenderCore::Get().GetDevice(), m_cmd_buffers[i]);
DebugLog("Vulkan: command buffer destroyed");
kvfDestroyFence(RenderCore::Get().GetDevice(), m_cmd_fences[i]);