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GS: Prevent out of bounds copy for half_right TC target copies

This commit is contained in:
Connor McLaughlin 2022-01-05 21:14:54 +10:00 committed by refractionpcsx2
parent ec0543335e
commit 4f735d0201
1 changed files with 11 additions and 2 deletions
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13
pcsx2/GS/Renderers/HW/GSTextureCache.cpp
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@ -1549,8 +1549,17 @@ GSTextureCache::Source* GSTextureCache::CreateSource(const GIFRegTEX0& TEX0, con
// You typically hit this code in snow engine game. Dstsize is the size of of Dx/GL RT
// which is arbitrary set to 1280 (biggest RT used by GS). h/w are based on the input texture
// so the only reliable way to find the real size of the target is to use the TBW value.
float real_width = dst->m_TEX0.TBW * 64u * dst->m_texture->GetScale().x;
g_gs_device->CopyRect(sTex, dTex, GSVector4i((int)(real_width / 2.0f), 0, (int)real_width, h));
const float real_width = dst->m_TEX0.TBW * 64u * dst->m_texture->GetScale().x;
const GSVector4i real_rc((int)(real_width / 2.0f), 0, (int)real_width, h);
if (real_rc.width() > w)
{
DevCon.Error("Dropping invalid half_write copy from {%d,%d} %dx%d to %dx%d",
real_rc.x, real_rc.y, real_rc.width(), real_rc.height(), w, h);
}
else
{
g_gs_device->CopyRect(sTex, dTex, real_rc);
}
}
else
{