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Fix Dx11Renderer order of operations

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This commit is contained in:
Soreepeong 2025-08-09 08:51:57 +09:00
parent 7705aa800b
commit 130eb7e574
1 changed files with 26 additions and 28 deletions
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54
Dalamud/Interface/ImGuiBackend/Renderers/Dx11Renderer.cs
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@ -223,15 +223,15 @@ internal unsafe partial class Dx11Renderer : IImGuiRenderer
ImDrawDataPtr drawData,
bool clearRenderTarget)
{
// Do nothing when there's nothing to draw
if (drawData.IsNull || !drawData.Valid)
return;
// Avoid rendering when minimized
if (drawData.DisplaySize.X <= 0 || drawData.DisplaySize.Y <= 0)
return;
using var oldState = new D3D11DeviceContextStateBackup(this.featureLevel, this.context.Get());
// Setup desired DX state
this.SetupRenderState(drawData);
// Set up render target
this.context.Get()->OMSetRenderTargets(1, &renderTargetView, null);
if (clearRenderTarget)
{
@ -239,17 +239,17 @@ internal unsafe partial class Dx11Renderer : IImGuiRenderer
this.context.Get()->ClearRenderTargetView(renderTargetView, (float*)&color);
}
if (!drawData.Valid || drawData.CmdListsCount == 0)
return;
// Stop if there's nothing to draw
var cmdLists = new Span<ImDrawListPtr>(drawData.Handle->CmdLists, drawData.Handle->CmdListsCount);
if (cmdLists.IsEmpty)
return;
// Create and grow vertex/index buffers if needed
if (this.vertexBufferSize < drawData.TotalVtxCount)
this.vertexBuffer.Dispose();
if (this.vertexBuffer.Get() is null)
{
this.vertexBufferSize = drawData.TotalVtxCount + 5000;
this.vertexBufferSize = drawData.TotalVtxCount + 8192;
var desc = new D3D11_BUFFER_DESC(
(uint)(sizeof(ImDrawVert) * this.vertexBufferSize),
(uint)D3D11_BIND_FLAG.D3D11_BIND_VERTEX_BUFFER,
@ -264,7 +264,7 @@ internal unsafe partial class Dx11Renderer : IImGuiRenderer
this.indexBuffer.Dispose();
if (this.indexBuffer.Get() is null)
{
this.indexBufferSize = drawData.TotalIdxCount + 5000;
this.indexBufferSize = drawData.TotalIdxCount + 16384;
var desc = new D3D11_BUFFER_DESC(
(uint)(sizeof(ushort) * this.indexBufferSize),
(uint)D3D11_BIND_FLAG.D3D11_BIND_INDEX_BUFFER,
@ -275,9 +275,14 @@ internal unsafe partial class Dx11Renderer : IImGuiRenderer
this.indexBuffer.Attach(buffer);
}
// Upload vertex/index data into a single contiguous GPU buffer
using var oldState = new D3D11DeviceContextStateBackup(this.featureLevel, this.context.Get());
// Setup desired DX state
this.SetupRenderState(drawData);
try
{
// Upload vertex/index data into a single contiguous GPU buffer.
var vertexData = default(D3D11_MAPPED_SUBRESOURCE);
var indexData = default(D3D11_MAPPED_SUBRESOURCE);
this.context.Get()->Map(
@ -306,26 +311,18 @@ internal unsafe partial class Dx11Renderer : IImGuiRenderer
targetVertices = targetVertices[vertices.Length..];
targetIndices = targetIndices[indices.Length..];
}
}
finally
{
this.context.Get()->Unmap((ID3D11Resource*)this.vertexBuffer.Get(), 0);
this.context.Get()->Unmap((ID3D11Resource*)this.indexBuffer.Get(), 0);
}
// Setup orthographic projection matrix into our constant buffer.
// Our visible imgui space lies from DisplayPos (LT) to DisplayPos+DisplaySize (RB).
// DisplayPos is (0,0) for single viewport apps.
try
{
var data = default(D3D11_MAPPED_SUBRESOURCE);
// Setup orthographic projection matrix into our constant buffer.
// Our visible imgui space lies from DisplayPos (LT) to DisplayPos+DisplaySize (RB).
// DisplayPos is (0,0) for single viewport apps.
var constantBufferData = default(D3D11_MAPPED_SUBRESOURCE);
this.context.Get()->Map(
(ID3D11Resource*)this.vertexConstantBuffer.Get(),
0,
D3D11_MAP.D3D11_MAP_WRITE_DISCARD,
0,
&data).ThrowOnError();
*(Matrix4x4*)data.pData = Matrix4x4.CreateOrthographicOffCenter(
&constantBufferData).ThrowOnError();
*(Matrix4x4*)constantBufferData.pData = Matrix4x4.CreateOrthographicOffCenter(
drawData.DisplayPos.X,
drawData.DisplayPos.X + drawData.DisplaySize.X,
drawData.DisplayPos.Y + drawData.DisplaySize.Y,
@ -335,6 +332,8 @@ internal unsafe partial class Dx11Renderer : IImGuiRenderer
}
finally
{
this.context.Get()->Unmap((ID3D11Resource*)this.vertexBuffer.Get(), 0);
this.context.Get()->Unmap((ID3D11Resource*)this.indexBuffer.Get(), 0);
this.context.Get()->Unmap((ID3D11Resource*)this.vertexConstantBuffer.Get(), 0);
}
@ -343,8 +342,6 @@ internal unsafe partial class Dx11Renderer : IImGuiRenderer
var vertexOffset = 0;
var indexOffset = 0;
var clipOff = new Vector4(drawData.DisplayPos, drawData.DisplayPos.X, drawData.DisplayPos.Y);
this.context.Get()->PSSetShader(this.pixelShader, null, 0);
this.context.Get()->PSSetSamplers(0, 1, this.sampler.GetAddressOf());
foreach (ref var cmdList in cmdLists)
{
var cmds = new ImVectorWrapper<ImDrawCmd>(cmdList.Handle->CmdBuffer.ToUntyped());
@ -467,7 +464,8 @@ internal unsafe partial class Dx11Renderer : IImGuiRenderer
buffer = this.vertexConstantBuffer.Get();
ctx->VSSetConstantBuffers(0, 1, &buffer);
// PS handled later
ctx->PSSetShader(this.pixelShader, null, 0);
ctx->PSSetSamplers(0, 1, this.sampler.GetAddressOf());
ctx->GSSetShader(null, null, 0);
ctx->HSSetShader(null, null, 0);