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vk_update_descriptor: Upload descriptor sets data directly

Browse source 
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
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4
src/video_core/renderer_vulkan/vk_rasterizer.cpp
View file

@ -1154,7 +1154,7 @@ void RasterizerVulkan::SetupTexture(const Tegra::Texture::FullTextureInfo& textu
const auto sampler = sampler_cache.GetSampler(texture.tsc);
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;
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);
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_views.push_back(ImageView{std::move(view), image_layout});
}

36
src/video_core/renderer_vulkan/vk_update_descriptor.cpp
View file

@ -24,35 +24,25 @@ void VKUpdateDescriptorQueue::TickFrame() {
}
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,
VkDescriptorSet set) {
if (payload.size() + entries.size() >= payload.max_size()) {
if (payload.size() + MIN_ENTRIES >= payload.max_size()) {
LOG_WARNING(Render_Vulkan, "Payload overflow, waiting for worker thread");
scheduler.WaitWorker();
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(
[payload_start, set, update_template, logical = &device.GetLogical()](vk::CommandBuffer) {
logical->UpdateDescriptorSet(set, update_template, payload_start);
});
void VKUpdateDescriptorQueue::Send(VkDescriptorUpdateTemplateKHR update_template,
VkDescriptorSet set) {
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);
});
}
} // namespace Vulkan

32
src/video_core/renderer_vulkan/vk_update_descriptor.h
View file

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