vk_update_descriptor: Upload descriptor sets data directly

Instead of copying to a temporary payload before sending the update task
to the worker thread, insert elements to the payload directly.
This commit is contained in:
ReinUsesLisp 2020-06-18 17:47:19 -03:00
parent bfa6193eb9
commit 7d763f060e
3 changed files with 30 additions and 42 deletions

View File

@ -1154,7 +1154,7 @@ void RasterizerVulkan::SetupTexture(const Tegra::Texture::FullTextureInfo& textu
const auto sampler = sampler_cache.GetSampler(texture.tsc); const auto sampler = sampler_cache.GetSampler(texture.tsc);
update_descriptor_queue.AddSampledImage(sampler, image_view); update_descriptor_queue.AddSampledImage(sampler, image_view);
const auto image_layout = update_descriptor_queue.GetLastImageLayout(); VkImageLayout* const image_layout = update_descriptor_queue.LastImageLayout();
*image_layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; *image_layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
sampled_views.push_back(ImageView{std::move(view), image_layout}); sampled_views.push_back(ImageView{std::move(view), image_layout});
} }
@ -1180,7 +1180,7 @@ void RasterizerVulkan::SetupImage(const Tegra::Texture::TICEntry& tic, const Ima
view->GetImageView(tic.x_source, tic.y_source, tic.z_source, tic.w_source); view->GetImageView(tic.x_source, tic.y_source, tic.z_source, tic.w_source);
update_descriptor_queue.AddImage(image_view); update_descriptor_queue.AddImage(image_view);
const auto image_layout = update_descriptor_queue.GetLastImageLayout(); VkImageLayout* const image_layout = update_descriptor_queue.LastImageLayout();
*image_layout = VK_IMAGE_LAYOUT_GENERAL; *image_layout = VK_IMAGE_LAYOUT_GENERAL;
image_views.push_back(ImageView{std::move(view), image_layout}); image_views.push_back(ImageView{std::move(view), image_layout});
} }

View File

@ -24,34 +24,24 @@ void VKUpdateDescriptorQueue::TickFrame() {
} }
void VKUpdateDescriptorQueue::Acquire() { void VKUpdateDescriptorQueue::Acquire() {
entries.clear(); // Minimum number of entries required.
} // This is the maximum number of entries a single draw call migth use.
static constexpr std::size_t MIN_ENTRIES = 0x400;
void VKUpdateDescriptorQueue::Send(VkDescriptorUpdateTemplateKHR update_template, if (payload.size() + MIN_ENTRIES >= payload.max_size()) {
VkDescriptorSet set) {
if (payload.size() + entries.size() >= payload.max_size()) {
LOG_WARNING(Render_Vulkan, "Payload overflow, waiting for worker thread"); LOG_WARNING(Render_Vulkan, "Payload overflow, waiting for worker thread");
scheduler.WaitWorker(); scheduler.WaitWorker();
payload.clear(); payload.clear();
} }
upload_start = &*payload.end();
// TODO(Rodrigo): Rework to write the payload directly
const auto payload_start = payload.data() + payload.size();
for (const auto& entry : entries) {
if (const auto image = std::get_if<VkDescriptorImageInfo>(&entry)) {
payload.push_back(*image);
} else if (const auto buffer = std::get_if<VkDescriptorBufferInfo>(&entry)) {
payload.push_back(*buffer);
} else if (const auto texel = std::get_if<VkBufferView>(&entry)) {
payload.push_back(*texel);
} else {
UNREACHABLE();
}
} }
scheduler.Record( void VKUpdateDescriptorQueue::Send(VkDescriptorUpdateTemplateKHR update_template,
[payload_start, set, update_template, logical = &device.GetLogical()](vk::CommandBuffer) { VkDescriptorSet set) {
logical->UpdateDescriptorSet(set, update_template, payload_start); const void* const data = upload_start;
const vk::Device* const logical = &device.GetLogical();
scheduler.Record([data, logical, set, update_template](vk::CommandBuffer) {
logical->UpdateDescriptorSet(set, update_template, data);
}); });
} }

View File

@ -15,17 +15,13 @@ namespace Vulkan {
class VKDevice; class VKDevice;
class VKScheduler; class VKScheduler;
class DescriptorUpdateEntry { struct DescriptorUpdateEntry {
public: DescriptorUpdateEntry(VkDescriptorImageInfo image_) : image{image_} {}
explicit DescriptorUpdateEntry() {}
DescriptorUpdateEntry(VkDescriptorImageInfo image) : image{image} {} DescriptorUpdateEntry(VkDescriptorBufferInfo buffer_) : buffer{buffer_} {}
DescriptorUpdateEntry(VkDescriptorBufferInfo buffer) : buffer{buffer} {} DescriptorUpdateEntry(VkBufferView texel_buffer_) : texel_buffer{texel_buffer_} {}
DescriptorUpdateEntry(VkBufferView texel_buffer) : texel_buffer{texel_buffer} {}
private:
union { union {
VkDescriptorImageInfo image; VkDescriptorImageInfo image;
VkDescriptorBufferInfo buffer; VkDescriptorBufferInfo buffer;
@ -45,32 +41,34 @@ public:
void Send(VkDescriptorUpdateTemplateKHR update_template, VkDescriptorSet set); void Send(VkDescriptorUpdateTemplateKHR update_template, VkDescriptorSet set);
void AddSampledImage(VkSampler sampler, VkImageView image_view) { void AddSampledImage(VkSampler sampler, VkImageView image_view) {
entries.emplace_back(VkDescriptorImageInfo{sampler, image_view, {}}); payload.emplace_back(VkDescriptorImageInfo{sampler, image_view, {}});
} }
void AddImage(VkImageView image_view) { void AddImage(VkImageView image_view) {
entries.emplace_back(VkDescriptorImageInfo{{}, image_view, {}}); payload.emplace_back(VkDescriptorImageInfo{{}, image_view, {}});
} }
void AddBuffer(VkBuffer buffer, u64 offset, std::size_t size) { void AddBuffer(VkBuffer buffer, u64 offset, std::size_t size) {
entries.emplace_back(VkDescriptorBufferInfo{buffer, offset, size}); payload.emplace_back(VkDescriptorBufferInfo{buffer, offset, size});
} }
void AddTexelBuffer(VkBufferView texel_buffer) { void AddTexelBuffer(VkBufferView texel_buffer) {
entries.emplace_back(texel_buffer); payload.emplace_back(texel_buffer);
} }
VkImageLayout* GetLastImageLayout() { VkImageLayout* LastImageLayout() {
return &std::get<VkDescriptorImageInfo>(entries.back()).imageLayout; return &payload.back().image.imageLayout;
}
const VkImageLayout* LastImageLayout() const {
return &payload.back().image.imageLayout;
} }
private: private:
using Variant = std::variant<VkDescriptorImageInfo, VkDescriptorBufferInfo, VkBufferView>;
const VKDevice& device; const VKDevice& device;
VKScheduler& scheduler; VKScheduler& scheduler;
boost::container::static_vector<Variant, 0x400> entries; const DescriptorUpdateEntry* upload_start = nullptr;
boost::container::static_vector<DescriptorUpdateEntry, 0x10000> payload; boost::container::static_vector<DescriptorUpdateEntry, 0x10000> payload;
}; };