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Incomplete texture headers uploaded via FIFO are now discarded. Ski Champ sends one more 32-bit word via DMA than it should which was causing Supermodel to erroneously intepret the extra word as another texture

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gm-matthew 2022-11-20 01:27:50 +00:00 committed by trzy
parent acc7161ca5
commit 79a2414f3f
1 changed files with 2 additions and 2 deletions
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4
Src/Model3/Real3D.cpp
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@ -656,9 +656,9 @@ void CReal3D::Flush(void)
DebugLog("Real3D 88000000 written @ PC=%08X\n", ppc_get_pc()); DebugLog("Real3D 88000000 written @ PC=%08X\n", ppc_get_pc());
// Upload textures (if any) // Upload textures (if any)
if (fifoIdx > 0) if (fifoIdx > 2) // If the texture header/data aren't present, discard the texture (prevents garbage textures in Ski Champ)
{ {
for (uint32_t i = 0; i < fifoIdx; ) for (uint32_t i = 0; i < fifoIdx - 2; )
{ {
uint32_t size = 2+textureFIFO[i+0]/2; uint32_t size = 2+textureFIFO[i+0]/2;
size /= 4; size /= 4;