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
This commit is contained in:
gdkchan 2023-06-10 18:31:38 -03:00 committed by GitHub
parent 0e95a8271a
commit eb0bb36bbf
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21 changed files with 375 additions and 68 deletions

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@ -539,6 +539,14 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
engine.UpdateState();
if (instanceCount > 1)
{
// Must be called after UpdateState as it assumes the shader state
// has already been set, and that bindings have been updated already.
_channel.BufferManager.SetInstancedDrawVertexCount(count);
}
if (indexed)
{
_context.Renderer.Pipeline.DrawIndexed(count, instanceCount, firstIndex, firstVertex, firstInstance);
@ -676,6 +684,8 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
_channel.BufferManager.SetIndexBuffer(br, IndexType.UInt);
}
_channel.BufferManager.SetInstancedDrawVertexCount(_instancedIndexCount);
_context.Renderer.Pipeline.DrawIndexed(
_instancedIndexCount,
_instanceIndex + 1,
@ -685,6 +695,8 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
}
else
{
_channel.BufferManager.SetInstancedDrawVertexCount(_instancedDrawStateCount);
_context.Renderer.Pipeline.Draw(
_instancedDrawStateCount,
_instanceIndex + 1,