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Fixed pitch alignment when updating SDL_PIXELFORMAT_P010 textures

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This commit is contained in:
Sam Lantinga
2024-03-01 16:22:10 -08:00
parent f2cd361e25
commit 2bedd7f02e
3 changed files with 22 additions and 6 deletions
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9
src/render/direct3d11/SDL_render_d3d11.c
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@@ -1549,8 +1549,13 @@ static int D3D11_UpdateTextureInternal(D3D11_RenderData *rendererData, ID3D11Tex
stagingTextureDesc.Format == DXGI_FORMAT_P010) {
/* Copy the UV plane as well */
h = (h + 1) / 2;
length = (length + 1) & ~1;
pitch = (pitch + 1) & ~1;
if (stagingTextureDesc.Format == DXGI_FORMAT_P010) {
length = (length + 3) & ~3;
pitch = (pitch + 3) & ~3;
} else {
length = (length + 1) & ~1;
pitch = (pitch + 1) & ~1;
}
dst = (Uint8 *)textureMemory.pData + stagingTextureDesc.Height * textureMemory.RowPitch;
for (row = 0; row < h; ++row) {
SDL_memcpy(dst, src, length);