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direct3d11: Always set vertex buffers when updating them (thanks, Konrad!). 

Fixes Bugzilla #4913.
This commit is contained in:
Ryan C. Gordon 2019-12-22 20:48:43 -05:00
parent 982f8a83ec
commit 131e13a773
1 changed files with 10 additions and 10 deletions
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20
src/render/direct3d11/SDL_render_d3d11.c
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@ -1835,6 +1835,8 @@ D3D11_UpdateVertexBuffer(SDL_Renderer *renderer,
D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata; D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
HRESULT result = S_OK; HRESULT result = S_OK;
const int vbidx = rendererData->currentVertexBuffer; const int vbidx = rendererData->currentVertexBuffer;
const UINT stride = sizeof(VertexPositionColor);
const UINT offset = 0;
if (dataSizeInBytes == 0) { if (dataSizeInBytes == 0) {
return 0; /* nothing to do. */ return 0; /* nothing to do. */
@ -1858,8 +1860,6 @@ D3D11_UpdateVertexBuffer(SDL_Renderer *renderer,
} else { } else {
D3D11_BUFFER_DESC vertexBufferDesc; D3D11_BUFFER_DESC vertexBufferDesc;
D3D11_SUBRESOURCE_DATA vertexBufferData; D3D11_SUBRESOURCE_DATA vertexBufferData;
const UINT stride = sizeof(VertexPositionColor);
const UINT offset = 0;
SAFE_RELEASE(rendererData->vertexBuffers[vbidx]); SAFE_RELEASE(rendererData->vertexBuffers[vbidx]);
@ -1885,16 +1885,16 @@ D3D11_UpdateVertexBuffer(SDL_Renderer *renderer,
} }
rendererData->vertexBufferSizes[vbidx] = dataSizeInBytes; rendererData->vertexBufferSizes[vbidx] = dataSizeInBytes;
ID3D11DeviceContext_IASetVertexBuffers(rendererData->d3dContext,
0,
1,
&rendererData->vertexBuffers[vbidx],
&stride,
&offset
);
} }
ID3D11DeviceContext_IASetVertexBuffers(rendererData->d3dContext,
0,
1,
&rendererData->vertexBuffers[vbidx],
&stride,
&offset
);
rendererData->currentVertexBuffer++; rendererData->currentVertexBuffer++;
if (rendererData->currentVertexBuffer >= SDL_arraysize(rendererData->vertexBuffers)) { if (rendererData->currentVertexBuffer >= SDL_arraysize(rendererData->vertexBuffers)) {
rendererData->currentVertexBuffer = 0; rendererData->currentVertexBuffer = 0;