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GE Debugger: Fix crash stepping with large tex.

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Some math was overflowing in allocations, and it would allocate zero
bytes.  Let's just refuse textures more actively.
This commit is contained in:
Unknown W. Brackets 2022-09-10 19:31:53 -07:00
parent a2ca85bc87
commit 18c9a4d9c9
1 changed files with 5 additions and 1 deletions
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6
GPU/Software/Rasterizer.cpp
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@ -1401,7 +1401,11 @@ bool GetCurrentTexture(GPUDebugBuffer &buffer, int level)
int w = gstate.getTextureWidth(level);
int h = gstate.getTextureHeight(level);
if (!texaddr || !Memory::IsValidRange(texaddr, (textureBitsPerPixel[texfmt] * texbufw * h) / 8))
u32 sizeInBits = textureBitsPerPixel[texfmt] * (texbufw * (h - 1) + w);
if (!texaddr || !Memory::IsValidRange(texaddr, sizeInBits / 8))
return false;
// We'll break trying to allocate this much.
if (w >= 0x8000 && h >= 0x8000)
return false;
buffer.Allocate(w, h, GE_FORMAT_8888, false);