diff options
| author | Luca Barbieri <[email protected]> | 2010-08-21 20:05:04 +0200 |
|---|---|---|
| committer | Luca Barbieri <[email protected]> | 2010-08-21 20:42:15 +0200 |
| commit | 847ac88671ce4315eb03fcd1d746d20ee03379af (patch) | |
| tree | 4a5668d9affcef2333c993604c8facb9bcda97bc /src | |
| parent | 32d2525d645e4a06a116a1c0433bda0dd3bc245f (diff) | |
nvfx: implement SSG in fp
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/nvfx/nvfx_fragprog.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_fragprog.c b/src/gallium/drivers/nvfx/nvfx_fragprog.c index 40cd410e9b3..ebd3eb88c1c 100644 --- a/src/gallium/drivers/nvfx/nvfx_fragprog.c +++ b/src/gallium/drivers/nvfx/nvfx_fragprog.c @@ -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; |