Implement transform feedback emulation for hardware without native support (#5080)

* Implement transform feedback emulation for hardware without native support

* Stop doing some useless buffer updates and account for non-zero base instance

* Reduce redundant updates even more

* Update descriptor init logic to account for ResourceLayout

* Fix transform feedback and storage buffers not being updated in some cases

* Shader cache version bump

* PR feedback

* SetInstancedDrawVertexCount must be always called after UpdateState

* Minor typo

1 files changed, 8 insertions, 25 deletions

diff --git a/src/Ryujinx.Graphics.Vulkan/DescriptorSetUpdater.cs b/src/Ryujinx.Graphics.Vulkan/DescriptorSetUpdater.cs
index cbac1cd4..b09a0667 100644
--- a/src/Ryujinx.Graphics.Vulkan/DescriptorSetUpdater.cs
+++ b/src/Ryujinx.Graphics.Vulkan/DescriptorSetUpdater.cs
@@ -596,36 +596,19 @@ namespace Ryujinx.Graphics.Vulkan
             }
         }
 
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         private void Initialize(CommandBufferScoped cbs, int setIndex, DescriptorSetCollection dsc)
         {
-            var dummyBuffer = _dummyBuffer?.GetBuffer().Get(cbs).Value ?? default;
+            // We don't support clearing texture descriptors currently.
+            if (setIndex != PipelineBase.UniformSetIndex && setIndex != PipelineBase.StorageSetIndex)
+            {
+                return;
+            }
 
-            uint stages = _program.Stages;
+            var dummyBuffer = _dummyBuffer?.GetBuffer().Get(cbs).Value ?? default;
 
-            while (stages != 0)
+            foreach (ResourceBindingSegment segment in _program.ClearSegments[setIndex])
             {
-                int stage = BitOperations.TrailingZeroCount(stages);
-                stages &= ~(1u << stage);
-
-                if (setIndex == PipelineBase.UniformSetIndex)
-                {
-                    dsc.InitializeBuffers(
-                        0,
-                        1 + stage * Constants.MaxUniformBuffersPerStage,
-                        Constants.MaxUniformBuffersPerStage,
-                        DescriptorType.UniformBuffer,
-                        dummyBuffer);
-                }
-                else if (setIndex == PipelineBase.StorageSetIndex)
-                {
-                    dsc.InitializeBuffers(
-                        0,
-                        stage * Constants.MaxStorageBuffersPerStage,
-                        Constants.MaxStorageBuffersPerStage,
-                        DescriptorType.StorageBuffer,
-                        dummyBuffer);
-                }
+                dsc.InitializeBuffers(0, segment.Binding, segment.Count, segment.Type.Convert(), dummyBuffer);
             }
         }