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svga: implement CEIL opcode translation

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Reviewed-by: José Fonseca <jfonseca@vmware.com>
This commit is contained in:
Brian Paul 2012-05-09 10:31:07 -06:00
parent f7665ca4fc
commit a1c5513c17
1 changed files with 28 additions and 0 deletions
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28
src/gallium/drivers/svga/svga_tgsi_insn.c
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@ -871,6 +871,31 @@ static boolean emit_floor(struct svga_shader_emitter *emit,
}
/* Translate the following TGSI CEIL instruction.
* CEIL DST, SRC
* To the following SVGA3D instruction sequence.
* FRC TMP, -SRC
* ADD DST, SRC, TMP
*/
static boolean emit_ceil(struct svga_shader_emitter *emit,
const struct tgsi_full_instruction *insn)
{
SVGA3dShaderDestToken dst = translate_dst_register(emit, insn, 0);
const struct src_register src0 = translate_src_register(emit, &insn->Src[0]);
SVGA3dShaderDestToken temp = get_temp(emit);
/* FRC TMP, -SRC */
if (!submit_op1(emit, inst_token(SVGA3DOP_FRC), temp, negate(src0)))
return FALSE;
/* ADD DST, SRC, TMP */
if (!submit_op2(emit, inst_token(SVGA3DOP_ADD), dst, src0, src(temp)))
return FALSE;
return TRUE;
}
/* Translate the following TGSI CMP instruction.
* CMP DST, SRC0, SRC1, SRC2
* To the following SVGA3D instruction sequence.
@ -2435,6 +2460,9 @@ static boolean svga_emit_instruction( struct svga_shader_emitter *emit,
case TGSI_OPCODE_TRUNC: /* should be TRUNC, not FLR */
return emit_floor( emit, insn );
case TGSI_OPCODE_CEIL:
return emit_ceil( emit, insn );
case TGSI_OPCODE_CMP:
return emit_cmp( emit, insn );