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Fill only dirt rects #12

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Fill only dirt rects #12

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6ea9a19
Fill only dirt rects
Pospelove Nov 1, 2022
ac84534
Update OverlayRenderHandlerD3D11.cpp
Pospelove Nov 1, 2022
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18 changes: 16 additions & 2 deletions Code/ui/src/OverlayRenderHandlerD3D11.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -138,10 +138,24 @@ namespace TiltedPhoques
D3D11_MAPPED_SUBRESOURCE mappedResource;
const auto result = m_pContext->Map(m_pTexture.Get(), 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);

if(SUCCEEDED(result))
if (SUCCEEDED(result))
{
const auto pDest = static_cast<uint8_t*>(mappedResource.pData);
std::memcpy(pDest, buffer, width * height * 4);
for (auto& rect : dirtyRects) {
int x = rect.x;
int y = rect.y;
int w = rect.width;
int h = rect.height;
int srcStride = width * 4;
int dstStride = mappedResource.RowPitch;
const uint8_t* src = static_cast<const uint8_t*>(buffer) + y * srcStride + x * 4;
uint8_t* dst = pDest + y * dstStride + x * 4;
for (int i = 0; i < h; i++) {
std::memcpy(dst, src, w * 4);
src += srcStride;
dst += dstStride;
}
}
m_pContext->Unmap(m_pTexture.Get(), 0);
}
else
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