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riscv: Fix skinning decode, morph and not.

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Was transposed and using the wrong matrix when morphing.
This commit is contained in:
Unknown W. Brackets 2023-07-23 14:18:38 -07:00
parent 1790964ffe
commit f1c90a6014
1 changed files with 11 additions and 4 deletions
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15
GPU/Common/VertexDecoderRiscV.cpp
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@ -1389,21 +1389,28 @@ void VertexDecoderJitCache::Jit_AnyFloatMorph(int srcoff, int dstoff) {
void VertexDecoderJitCache::Jit_WriteMatrixMul(int dstoff, bool pos) {
const RiscVReg fpDst[3] = { fpScratchReg1, fpScratchReg2, fpScratchReg3 };
// When using morph + skin, we don't keep skinMatrix in a reg.
RiscVReg skinMatrixReg = morphBaseReg;
if (dec_->morphcount > 1) {
LI(scratchReg, &skinMatrix[0]);
skinMatrixReg = scratchReg;
}
// First, take care of the 3x3 portion of the matrix.
for (int y = 0; y < 3; ++y) {
for (int x = 0; x < 3; ++x) {
FL(32, fpScratchReg4, morphBaseReg, (y * 3 + x) * 4);
FL(32, fpScratchReg4, skinMatrixReg, (y * 3 + x) * 4);
if (y == 0)
FMUL(32, fpDst[x], fpSrc[x], fpScratchReg4);
FMUL(32, fpDst[x], fpSrc[y], fpScratchReg4);
else
FMADD(32, fpDst[x], fpSrc[x], fpScratchReg4, fpDst[x]);
FMADD(32, fpDst[x], fpSrc[y], fpScratchReg4, fpDst[x]);
}
}
// For normal, z is 0 so we skip.
if (pos) {
for (int x = 0; x < 3; ++x)
FL(32, fpSrc[x], morphBaseReg, (9 + x) * 4);
FL(32, fpSrc[x], skinMatrixReg, (9 + x) * 4);
for (int x = 0; x < 3; ++x)
FADD(32, fpDst[x], fpDst[x], fpSrc[x]);
}