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- validate the buffer size in HWViewpointBuffer::Set2D.

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This was causing crashes in Dragon Sector when writing past the buffer's end.
This commit is contained in:
Christoph Oelckers 2023-01-27 18:25:13 +01:00
parent 70d355cfa3
commit ec04a95929
1 changed files with 1 additions and 0 deletions
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src/common/rendering/hwrenderer/data/hw_viewpointbuffer.cpp
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@ -96,6 +96,7 @@ void HWViewpointBuffer::Set2D(FRenderState &di, int width, int height, int pll)
matrices.mProjectionMatrix.ortho(0, (float)width, (float)height, 0, -1.0f, 1.0f); matrices.mProjectionMatrix.ortho(0, (float)width, (float)height, 0, -1.0f, 1.0f);
matrices.CalcDependencies(); matrices.CalcDependencies();
CheckSize();
mBuffer->Map(); mBuffer->Map();
memcpy(((char*)mBuffer->Memory()) + mUploadIndex * mBlockAlign, &matrices, sizeof(matrices)); memcpy(((char*)mBuffer->Memory()) + mUploadIndex * mBlockAlign, &matrices, sizeof(matrices));
mBuffer->Unmap(); mBuffer->Unmap();