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nvfx: implement SSG in fp

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This commit is contained in:
Luca Barbieri 2010-08-21 20:05:04 +02:00
parent 32d2525d64
commit 847ac88671
1 changed files with 13 additions and 1 deletions
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14
src/gallium/drivers/nvfx/nvfx_fragprog.c
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@ -457,7 +457,7 @@ nvfx_fragprog_parse_instruction(struct nvfx_context* nvfx, struct nvfx_fpc *fpc,
{
const struct nvfx_src none = nvfx_src(nvfx_reg(NVFXSR_NONE, 0));
struct nvfx_insn insn;
struct nvfx_src src[3], tmp;
struct nvfx_src src[3], tmp, tmp2;
struct nvfx_reg dst;
int mask, sat, unit = 0;
int ai = -1, ci = -1, ii = -1;
@ -721,6 +721,13 @@ nvfx_fragprog_parse_instruction(struct nvfx_context* nvfx, struct nvfx_fpc *fpc,
case TGSI_OPCODE_SNE:
nvfx_fp_emit(fpc, arith(sat, SNE, dst, mask, src[0], src[1], none));
break;
case TGSI_OPCODE_SSG:
tmp = nvfx_src(temp(fpc));
tmp2 = nvfx_src(temp(fpc));
nvfx_fp_emit(fpc, arith(0, SGT, tmp.reg, mask, src[0], nvfx_src(nvfx_reg(NVFXSR_CONST, 0)), none));
nvfx_fp_emit(fpc, arith(0, SLT, tmp.reg, mask, src[0], nvfx_src(nvfx_reg(NVFXSR_CONST, 0)), none));
nvfx_fp_emit(fpc, arith(sat, ADD, dst, mask, tmp, neg(tmp2), none));
break;
case TGSI_OPCODE_STR:
nvfx_fp_emit(fpc, arith(sat, STR, dst, mask, src[0], src[1], none));
break;
@ -896,6 +903,8 @@ nvfx_fragprog_prepare(struct nvfx_context* nvfx, struct nvfx_fpc *fpc)
struct tgsi_parse_context p;
int high_temp = -1, i;
struct util_semantic_set set;
float const0v[4] = {0, 0, 0, 0};
struct nvfx_reg const0;
fpc->fp->num_slots = util_semantic_set_from_program_file(&set, fpc->fp->pipe.tokens, TGSI_FILE_INPUT);
if(fpc->fp->num_slots > 8)
@ -905,6 +914,9 @@ nvfx_fragprog_prepare(struct nvfx_context* nvfx, struct nvfx_fpc *fpc)
memset(fpc->fp->slot_to_fp_input, 0xff, sizeof(fpc->fp->slot_to_fp_input));
const0 = constant(fpc, -1, const0v);
assert(const0.index == 0);
tgsi_parse_init(&p, fpc->fp->pipe.tokens);
while (!tgsi_parse_end_of_tokens(&p)) {
const union tgsi_full_token *tok = &p.FullToken;