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Vulkan: Optimization for begin/end command buffer.

This commit is contained in:
Attila Uygun 2021-02-10 23:22:02 +01:00
parent 03776c643e
commit 580ff678ec
1 changed files with 28 additions and 16 deletions
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42
src/engine/renderer/vulkan/renderer_vulkan.cc
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@ -388,7 +388,7 @@ void RendererVulkan::DestroyTexture(std::shared_ptr<void> impl_data) {
void RendererVulkan::ActivateTexture(std::shared_ptr<void> impl_data) { void RendererVulkan::ActivateTexture(std::shared_ptr<void> impl_data) {
auto texture = reinterpret_cast<TextureVulkan*>(impl_data.get()); auto texture = reinterpret_cast<TextureVulkan*>(impl_data.get());
// Keep as pengind and bind later in ActivateShader. // Keep as pengind and bind later in ActivateShader.
penging_descriptor_sets_[/*TODO*/0] = std::get<0>(texture->desc_set); penging_descriptor_sets_[/*TODO*/ 0] = std::get<0>(texture->desc_set);
} }
void RendererVulkan::CreateShader(std::shared_ptr<void> impl_data, void RendererVulkan::CreateShader(std::shared_ptr<void> impl_data,
@ -723,9 +723,6 @@ bool RendererVulkan::InitializeInternal() {
} }
} }
// Begin the first command buffer for the first frame.
BeginFrame();
// In this simple engine we use only one descriptor set layout that is for // In this simple engine we use only one descriptor set layout that is for
// textures. We use push contants for everything else. // textures. We use push contants for everything else.
VkDescriptorSetLayoutBinding ds_layout_binding; VkDescriptorSetLayoutBinding ds_layout_binding;
@ -792,6 +789,9 @@ bool RendererVulkan::InitializeInternal() {
setup_thread_ = setup_thread_ =
std::thread(&RendererVulkan::SetupThreadMain, this, frame_count); std::thread(&RendererVulkan::SetupThreadMain, this, frame_count);
// Begin the first command buffer for the first frame.
BeginFrame();
if (context_lost_cb_) { if (context_lost_cb_) {
LOG << "Context lost."; LOG << "Context lost.";
context_lost_cb_(); context_lost_cb_();
@ -800,6 +800,9 @@ bool RendererVulkan::InitializeInternal() {
} }
void RendererVulkan::Shutdown() { void RendererVulkan::Shutdown() {
if (device_ == VK_NULL_HANDLE)
return;
LOG << "Shutting down renderer."; LOG << "Shutting down renderer.";
InvalidateAllResources(); InvalidateAllResources();
@ -838,7 +841,26 @@ void RendererVulkan::Shutdown() {
void RendererVulkan::BeginFrame() { void RendererVulkan::BeginFrame() {
FreePendingResources(current_frame_); FreePendingResources(current_frame_);
context_.AppendCommandBuffer(frames_[current_frame_].setup_command_buffer);
context_.AppendCommandBuffer(frames_[current_frame_].draw_command_buffer);
task_runner_.PostTask(HERE, [&]() {
vkResetCommandPool(device_, frames_[current_frame_].setup_command_pool, 0); vkResetCommandPool(device_, frames_[current_frame_].setup_command_pool, 0);
VkCommandBufferBeginInfo cmdbuf_begin;
cmdbuf_begin.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
cmdbuf_begin.pNext = nullptr;
cmdbuf_begin.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
cmdbuf_begin.pInheritanceInfo = nullptr;
VkResult err = vkBeginCommandBuffer(
frames_[current_frame_].setup_command_buffer, &cmdbuf_begin);
if (err) {
DLOG << "vkBeginCommandBuffer failed with error " << std::to_string(err);
return;
}
});
semaphore_.Release();
vkResetCommandPool(device_, frames_[current_frame_].draw_command_pool, 0); vkResetCommandPool(device_, frames_[current_frame_].draw_command_pool, 0);
VkCommandBufferBeginInfo cmdbuf_begin; VkCommandBufferBeginInfo cmdbuf_begin;
@ -846,22 +868,12 @@ void RendererVulkan::BeginFrame() {
cmdbuf_begin.pNext = nullptr; cmdbuf_begin.pNext = nullptr;
cmdbuf_begin.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; cmdbuf_begin.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
cmdbuf_begin.pInheritanceInfo = nullptr; cmdbuf_begin.pInheritanceInfo = nullptr;
VkResult err = vkBeginCommandBuffer( VkResult err = vkBeginCommandBuffer(
frames_[current_frame_].setup_command_buffer, &cmdbuf_begin); frames_[current_frame_].draw_command_buffer, &cmdbuf_begin);
if (err) { if (err) {
DLOG << "vkBeginCommandBuffer failed with error " << std::to_string(err); DLOG << "vkBeginCommandBuffer failed with error " << std::to_string(err);
return; return;
} }
context_.AppendCommandBuffer(frames_[current_frame_].setup_command_buffer);
err = vkBeginCommandBuffer(frames_[current_frame_].draw_command_buffer,
&cmdbuf_begin);
if (err) {
DLOG << "vkBeginCommandBuffer failed with error " << std::to_string(err);
return;
}
context_.AppendCommandBuffer(frames_[current_frame_].draw_command_buffer);
// Advance current frame. // Advance current frame.
frames_drawn_++; frames_drawn_++;