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[d3d9] Validate srcRect and dstPoint in UpdateSurface

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This commit is contained in:
Robin Kertels 2021-07-13 21:06:34 +02:00 committed by Joshie
parent b3b2f0921c
commit ed24c17d53
1 changed files with 24 additions and 4 deletions
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28
src/d3d9/d3d9_device.cpp
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@ -658,18 +658,38 @@ namespace dxvk {
VkExtent3D copyExtent = texLevelExtent;
if (pSourceRect != nullptr) {
const VkExtent3D extent = { uint32_t(pSourceRect->right - pSourceRect->left), uint32_t(pSourceRect->bottom - pSourceRect->top), 1 };
const bool extentAligned = extent.width % formatInfo->blockSize.width == 0
&& extent.height % formatInfo->blockSize.height == 0;
if (pSourceRect->left < 0
|| pSourceRect->top < 0
|| pSourceRect->right <= pSourceRect->left
|| pSourceRect->bottom <= pSourceRect->top
|| pSourceRect->left % formatInfo->blockSize.width != 0
|| pSourceRect->top % formatInfo->blockSize.height != 0
|| (extent != texLevelExtent && !extentAligned))
return D3DERR_INVALIDCALL;
srcBlockOffset = { pSourceRect->left / int32_t(formatInfo->blockSize.width),
pSourceRect->top / int32_t(formatInfo->blockSize.height),
0u };
copyExtent = { alignDown(uint32_t(pSourceRect->right - pSourceRect->left), formatInfo->blockSize.width),
alignDown(uint32_t(pSourceRect->bottom - pSourceRect->top), formatInfo->blockSize.height),
copyExtent = { extent.width,
extent.height,
1u };
}
if (pDestPoint != nullptr) {
dstOffset = { alignDown(pDestPoint->x, formatInfo->blockSize.width),
alignDown(pDestPoint->y, formatInfo->blockSize.height),
if (pDestPoint->x % formatInfo->blockSize.width != 0
|| pDestPoint->y % formatInfo->blockSize.height != 0
|| pDestPoint->x < 0
|| pDestPoint->y < 0)
return D3DERR_INVALIDCALL;
dstOffset = { pDestPoint->x,
pDestPoint->y,
0u };
}