diff options
| author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2009-12-21 21:50:21 +0100 |
|---|---|---|
| committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2009-12-22 10:14:45 +0100 |
| commit | ebbc73d1aed283c9bc4aa2b37bed4374bbaec5b5 (patch) | |
| tree | 1411130a578453825536a27af5b12270c8cc0c1a /src/gallium/drivers/nv50 | |
| parent | 71678a7ede11062b62e8786daf4ba451f5e4fe87 (diff) | |
nv50: correct the negation of DDY sources
The state tracker now does the correct thing, so
interpret negation normally.
Diffstat (limited to 'src/gallium/drivers/nv50')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 04b345bcf3..679c28ce4b 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -1702,8 +1702,8 @@ emit_ddx(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) assert(src->type == P_TEMP); - e->inst[0] = 0xc0140000; - e->inst[1] = 0x89800000; + e->inst[0] = (src->mod & NV50_MOD_NEG) ? 0xc0240000 : 0xc0140000; + e->inst[1] = (src->mod & NV50_MOD_NEG) ? 0x86400000 : 0x89800000; set_long(pc, e); set_dst(pc, dst, e); set_src_0(pc, src, e); @@ -1715,25 +1715,16 @@ emit_ddx(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) static void emit_ddy(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) { - struct nv50_reg *r = src; struct nv50_program_exec *e = exec(pc); assert(src->type == P_TEMP); - if (!(src->mod & NV50_MOD_NEG)) { /* ! double negation */ - r = alloc_temp(pc, NULL); - emit_neg(pc, r, src); - } - - e->inst[0] = 0xc0150000; - e->inst[1] = 0x8a400000; + e->inst[0] = (src->mod & NV50_MOD_NEG) ? 0xc0250000 : 0xc0150000; + e->inst[1] = (src->mod & NV50_MOD_NEG) ? 0x85800000 : 0x8a400000; set_long(pc, e); set_dst(pc, dst, e); - set_src_0(pc, r, e); - set_src_2(pc, r, e); - - if (r != src) - free_temp(pc, r); + set_src_0(pc, src, e); + set_src_2(pc, src, e); emit(pc, e); } @@ -1791,6 +1782,7 @@ static boolean negate_supported(const struct tgsi_full_instruction *insn, int i) { switch (insn->Instruction.Opcode) { + case TGSI_OPCODE_DDX: case TGSI_OPCODE_DDY: case TGSI_OPCODE_DP3: case TGSI_OPCODE_DP4: |