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authorLuca Barbieri <[email protected]>2010-08-21 20:05:04 +0200
committerLuca Barbieri <[email protected]>2010-08-21 20:42:15 +0200
commit847ac88671ce4315eb03fcd1d746d20ee03379af (patch)
tree4a5668d9affcef2333c993604c8facb9bcda97bc /src/gallium
parent32d2525d645e4a06a116a1c0433bda0dd3bc245f (diff)
nvfx: implement SSG in fp
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/nvfx/nvfx_fragprog.c14
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;