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Disable CLOD (Lod constant) state emit. The values emitted were

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possibly negative, hence clobbering the leading register-id byte.
Fixed the calculation of the values to prevent negative numbers being
emitted, but the code still doesn't implement texture LOD bias
correctly, so leave it disabled overall.
This commit is contained in:
Keith Whitwell 2005-04-14 15:53:30 +00:00
parent 99b329ca13
commit 60e2810ae4
1 changed files with 6 additions and 6 deletions
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12
src/mesa/drivers/dri/unichrome/via_state.c
View file

@ -308,7 +308,7 @@ void viaEmitState(struct via_context *vmesa)
ADVANCE_RING();
}
BEGIN_RING(15);
BEGIN_RING(14);
OUT_RING( (HC_SubA_HTXnTB << 24) | vmesa->regHTXnTB[0] );
OUT_RING( (HC_SubA_HTXnMPMD << 24) | vmesa->regHTXnMPMD[0] );
OUT_RING( (HC_SubA_HTXnTBLCsat << 24) | vmesa->regHTXnTBLCsat[0] );
@ -323,7 +323,7 @@ void viaEmitState(struct via_context *vmesa)
OUT_RING( (HC_SubA_HTXnTBLRCbias << 24) | vmesa->regHTXnTBLRCbias[0] );
OUT_RING( (HC_SubA_HTXnTBC << 24) | vmesa->regHTXnTBC[0] );
OUT_RING( (HC_SubA_HTXnTRAH << 24) | vmesa->regHTXnTRAH[0] );
OUT_RING( (HC_SubA_HTXnCLODu << 24) | vmesa->regHTXnCLOD[0] );
/* OUT_RING( (HC_SubA_HTXnCLODu << 24) | vmesa->regHTXnCLOD[0] ); */
ADVANCE_RING();
/* KW: This test never succeeds:
@ -433,7 +433,7 @@ void viaEmitState(struct via_context *vmesa)
ADVANCE_RING();
}
BEGIN_RING(15);
BEGIN_RING(14);
OUT_RING( (HC_SubA_HTXnTB << 24) | vmesa->regHTXnTB[1] );
OUT_RING( (HC_SubA_HTXnMPMD << 24) | vmesa->regHTXnMPMD[1] );
OUT_RING( (HC_SubA_HTXnTBLCsat << 24) | vmesa->regHTXnTBLCsat[1] );
@ -448,7 +448,7 @@ void viaEmitState(struct via_context *vmesa)
OUT_RING( (HC_SubA_HTXnTBLRCbias << 24) | vmesa->regHTXnTBLRCbias[1] );
OUT_RING( (HC_SubA_HTXnTBC << 24) | vmesa->regHTXnTBC[1] );
OUT_RING( (HC_SubA_HTXnTRAH << 24) | vmesa->regHTXnTRAH[1] );
OUT_RING( (HC_SubA_HTXnCLODu << 24) | vmesa->regHTXnCLOD[1] );
/* OUT_RING( (HC_SubA_HTXnCLODu << 24) | vmesa->regHTXnCLOD[1] ); */
ADVANCE_RING();
/* KW: This test never succeeds:
@ -913,7 +913,7 @@ static GLboolean viaChooseTextureState(GLcontext *ctx)
GLuint b = viaComputeLodBias(texUnit0->LodBias);
vmesa->regHTXnTB[0] &= ~HC_HTXnFLDs_MASK;
vmesa->regHTXnTB[0] |= HC_HTXnFLDs_ConstLOD;
vmesa->regHTXnCLOD[0] = b | ((~b&0x1f)<<10); /* FIXME */
vmesa->regHTXnCLOD[0] = (b&0x1f) | (((~b)&0x1f)<<10); /* FIXME */
}
if (!viaTexCombineState( vmesa, texUnit0->_CurrentCombine, 0 )) {
@ -947,7 +947,7 @@ static GLboolean viaChooseTextureState(GLcontext *ctx)
GLuint b = viaComputeLodBias(texUnit1->LodBias);
vmesa->regHTXnTB[1] &= ~HC_HTXnFLDs_MASK;
vmesa->regHTXnTB[1] |= HC_HTXnFLDs_ConstLOD;
vmesa->regHTXnCLOD[1] = b | ((~b&0x1f)<<10); /* FIXME */
vmesa->regHTXnCLOD[1] = (b&0x1f) | (((~b)&0x1f)<<10); /* FIXME */
}
if (!viaTexCombineState( vmesa, texUnit1->_CurrentCombine, 1 )) {