From 8758932031ff4836652e7577ec566fd733f46e0b Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Mon, 22 May 2023 01:13:47 -0400
Subject: [PATCH] renderer_vulkan: barrier attachment feedback loops
---
.../renderer_opengl/gl_texture_cache.h | 4 +++
.../renderer_vulkan/vk_graphics_pipeline.cpp | 3 +-
.../renderer_vulkan/vk_texture_cache.cpp | 4 +++
.../renderer_vulkan/vk_texture_cache.h | 2 ++
src/video_core/texture_cache/texture_cache.h | 36 +++++++++++++++++++
.../texture_cache/texture_cache_base.h | 3 ++
6 files changed, 51 insertions(+), 1 deletion(-)
diff --git a/src/video_core/renderer_opengl/gl_texture_cache.h b/src/video_core/renderer_opengl/gl_texture_cache.h
index 1190999a8d..3e9b3302b6 100644
--- a/src/video_core/renderer_opengl/gl_texture_cache.h
+++ b/src/video_core/renderer_opengl/gl_texture_cache.h
@@ -144,6 +144,10 @@ public:
return state_tracker;
}
+ void BarrierFeedbackLoop() const noexcept {
+ // OpenGL does not require a barrier for attachment feedback loops.
+ }
+
private:
struct StagingBuffers {
explicit StagingBuffers(GLenum storage_flags_, GLenum map_flags_);
diff --git a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
index f1bcd5cd67..506b78f08e 100644
--- a/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
+++ b/src/video_core/renderer_vulkan/vk_graphics_pipeline.cpp
@@ -481,12 +481,13 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
if constexpr (Spec::enabled_stages[4]) {
prepare_stage(4);
}
+ texture_cache.UpdateRenderTargets(false);
+ texture_cache.CheckFeedbackLoop(views);
ConfigureDraw(rescaling, render_area);
}
void GraphicsPipeline::ConfigureDraw(const RescalingPushConstant& rescaling,
const RenderAreaPushConstant& render_area) {
- texture_cache.UpdateRenderTargets(false);
scheduler.RequestRenderpass(texture_cache.GetFramebuffer());
if (!is_built.load(std::memory_order::relaxed)) {
diff --git a/src/video_core/renderer_vulkan/vk_texture_cache.cpp b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
index 4d0481f2a6..da5af25eb4 100644
--- a/src/video_core/renderer_vulkan/vk_texture_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
@@ -861,6 +861,10 @@ VkBuffer TextureCacheRuntime::GetTemporaryBuffer(size_t needed_size) {
return *buffers[level];
}
+void TextureCacheRuntime::BarrierFeedbackLoop() {
+ scheduler.RequestOutsideRenderPassOperationContext();
+}
+
void TextureCacheRuntime::ReinterpretImage(Image& dst, Image& src,
std::span<const VideoCommon::ImageCopy> copies) {
std::vector<VkBufferImageCopy> vk_in_copies(copies.size());
diff --git a/src/video_core/renderer_vulkan/vk_texture_cache.h b/src/video_core/renderer_vulkan/vk_texture_cache.h
index 4166b3d201..0f7a5ffd45 100644
--- a/src/video_core/renderer_vulkan/vk_texture_cache.h
+++ b/src/video_core/renderer_vulkan/vk_texture_cache.h
@@ -103,6 +103,8 @@ public:
[[nodiscard]] VkBuffer GetTemporaryBuffer(size_t needed_size);
+ void BarrierFeedbackLoop();
+
const Device& device;
Scheduler& scheduler;
MemoryAllocator& memory_allocator;
diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h
index b24086fce5..8e62a5f78c 100644
--- a/src/video_core/texture_cache/texture_cache.h
+++ b/src/video_core/texture_cache/texture_cache.h
@@ -183,6 +183,42 @@ void TextureCache<P>::FillComputeImageViews(std::span<ImageViewInOut> views) {
views);
}
+template <class P>
+void TextureCache<P>::CheckFeedbackLoop(std::span<const ImageViewInOut> views) {
+ const bool requires_barrier = [&] {
+ for (const auto& view : views) {
+ if (!view.id) {
+ continue;
+ }
+ auto& image_view = slot_image_views[view.id];
+
+ // Check color targets
+ for (const auto& ct_view_id : render_targets.color_buffer_ids) {
+ if (ct_view_id) {
+ auto& ct_view = slot_image_views[ct_view_id];
+ if (image_view.image_id == ct_view.image_id) {
+ return true;
+ }
+ }
+ }
+
+ // Check zeta target
+ if (render_targets.depth_buffer_id) {
+ auto& zt_view = slot_image_views[render_targets.depth_buffer_id];
+ if (image_view.image_id == zt_view.image_id) {
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }();
+
+ if (requires_barrier) {
+ runtime.BarrierFeedbackLoop();
+ }
+}
+
template <class P>
typename P::Sampler* TextureCache<P>::GetGraphicsSampler(u32 index) {
if (index > channel_state->graphics_sampler_table.Limit()) {
diff --git a/src/video_core/texture_cache/texture_cache_base.h b/src/video_core/texture_cache/texture_cache_base.h
index 0720494e55..1a3308e2db 100644
--- a/src/video_core/texture_cache/texture_cache_base.h
+++ b/src/video_core/texture_cache/texture_cache_base.h
@@ -148,6 +148,9 @@ public:
/// Fill image_view_ids with the compute images in indices
void FillComputeImageViews(std::span<ImageViewInOut> views);
+ /// Handle feedback loops during draws.
+ void CheckFeedbackLoop(std::span<const ImageViewInOut> views);
+
/// Get the sampler from the graphics descriptor table in the specified index
Sampler* GetGraphicsSampler(u32 index);