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R6xx/r7xx: Fix specular lighting issue

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This commit is contained in:
Cooper Yuan
2009-07-14 10:39:07 +08:00
parent 37c0cde80a
commit f4646f3247
1 changed files with 23 additions and 19 deletions
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src/mesa/drivers/dri/r600/r700_assembler.c
+23 -19
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@@ -2883,14 +2883,17 @@ GLboolean assemble_LIT(r700_AssemblerBase *pAsm)
return GL_FALSE;
}
/* dst.z = log(src.y) */
/* before: dst.w = log(src.y)
* after : dst.x = log(src.y)
* why change dest register is that dst.w has been initialized as 1 before
*/
pAsm->D.dst.opcode = SQ_OP2_INST_LOG_CLAMPED;
pAsm->D.dst.math = 1;
pAsm->D.dst.rtype = dstType;
pAsm->D.dst.reg = dstReg;
pAsm->D.dst.writex = 0;
pAsm->D.dst.writex = 1;
pAsm->D.dst.writey = 0;
pAsm->D.dst.writez = 1;
pAsm->D.dst.writez = 0;
pAsm->D.dst.writew = 0;
pAsm->S[0].src.rtype = srcType;
pAsm->S[0].src.reg = srcReg;
@@ -2905,15 +2908,16 @@ GLboolean assemble_LIT(r700_AssemblerBase *pAsm)
return GL_FALSE;
}
/* dst.w = MUL_LIT(src.w, dst.z, src.x ) */
/* before: tmp.x = amd MUL_LIT(src.w, dst.w, src.x ) */
/* after : tmp.x = amd MUL_LIT(src.w, dst.x, src.x ) */
pAsm->D.dst.opcode = SQ_OP3_INST_MUL_LIT;
pAsm->D.dst.op3 = 1;
pAsm->D.dst.rtype = dstType;
pAsm->D.dst.reg = dstReg;
pAsm->D.dst.writex = 0;
pAsm->D.dst.rtype = DST_REG_TEMPORARY;
pAsm->D.dst.reg = tmp;
pAsm->D.dst.writex = 1;
pAsm->D.dst.writey = 0;
pAsm->D.dst.writez = 0;
pAsm->D.dst.writew = 1;
pAsm->D.dst.writew = 0;
pAsm->S[0].src.rtype = srcType;
pAsm->S[0].src.reg = srcReg;
@@ -2928,10 +2932,10 @@ GLboolean assemble_LIT(r700_AssemblerBase *pAsm)
pAsm->S[1].src.reg = dstReg;
setaddrmode_PVSSRC(&(pAsm->S[1].src), ADDR_ABSOLUTE);
noneg_PVSSRC(&(pAsm->S[1].src));
pAsm->S[1].src.swizzlex = SQ_SEL_Z;
pAsm->S[1].src.swizzley = SQ_SEL_Z;
pAsm->S[1].src.swizzlez = SQ_SEL_Z;
pAsm->S[1].src.swizzlew = SQ_SEL_Z;
pAsm->S[1].src.swizzlex = SQ_SEL_X;
pAsm->S[1].src.swizzley = SQ_SEL_X;
pAsm->S[1].src.swizzlez = SQ_SEL_X;
pAsm->S[1].src.swizzlew = SQ_SEL_X;
pAsm->S[2].src.rtype = srcType;
pAsm->S[2].src.reg = srcReg;
@@ -2947,7 +2951,7 @@ GLboolean assemble_LIT(r700_AssemblerBase *pAsm)
return GL_FALSE;
}
/* dst.z = exp(dst.z) */
/* dst.z = exp(tmp.x) */
pAsm->D.dst.opcode = SQ_OP2_INST_EXP_IEEE;
pAsm->D.dst.math = 1;
pAsm->D.dst.rtype = dstType;
@@ -2957,14 +2961,14 @@ GLboolean assemble_LIT(r700_AssemblerBase *pAsm)
pAsm->D.dst.writez = 1;
pAsm->D.dst.writew = 0;
pAsm->S[0].src.rtype = dstType;
pAsm->S[0].src.reg = dstReg;
pAsm->S[0].src.rtype = SRC_REG_TEMPORARY;
pAsm->S[0].src.reg = tmp;
setaddrmode_PVSSRC(&(pAsm->S[0].src), ADDR_ABSOLUTE);
noneg_PVSSRC(&(pAsm->S[0].src));
pAsm->S[0].src.swizzlex = SQ_SEL_Z;
pAsm->S[0].src.swizzley = SQ_SEL_Z;
pAsm->S[0].src.swizzlez = SQ_SEL_Z;
pAsm->S[0].src.swizzlew = SQ_SEL_Z;
pAsm->S[0].src.swizzlex = SQ_SEL_X;
pAsm->S[0].src.swizzley = SQ_SEL_X;
pAsm->S[0].src.swizzlez = SQ_SEL_X;
pAsm->S[0].src.swizzlew = SQ_SEL_X;
if( GL_FALSE == next_ins(pAsm) )
{