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draw: Implement TGSI_OPCODE_TRUNC.

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michal 2008-11-05 11:58:11 +01:00
parent 502974b345
commit 5a0299875c
1 changed files with 14 additions and 0 deletions
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14
src/gallium/auxiliary/draw/draw_vs_aos.c
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@ -1632,6 +1632,17 @@ static boolean emit_SUB( struct aos_compilation *cp, const struct tgsi_full_inst
return TRUE;
}
static boolean emit_TRUNC( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
{
struct x86_reg arg0 = fetch_src(cp, &op->FullSrcRegisters[0]);
struct x86_reg tmp0 = aos_get_xmm_reg(cp);
sse2_cvttps2dq(cp->func, tmp0, arg0);
sse2_cvtdq2ps(cp->func, tmp0, tmp0);
store_dest(cp, &op->FullDstRegisters[0], tmp0);
return TRUE;
}
static boolean emit_XPD( struct aos_compilation *cp, const struct tgsi_full_instruction *op )
{
@ -1770,6 +1781,9 @@ emit_instruction( struct aos_compilation *cp,
case TGSI_OPCODE_SIN:
return emit_SIN(cp, inst);
case TGSI_OPCODE_TRUNC:
return emit_TRUNC(cp, inst);
case TGSI_OPCODE_END:
return TRUE;