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nv50: correct the negation of DDY sources

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The state tracker now does the correct thing, so
interpret negation normally.
This commit is contained in:
Christoph Bumiller 2009-12-21 21:50:21 +01:00
parent 71678a7ede
commit ebbc73d1ae
1 changed files with 7 additions and 15 deletions
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22
src/gallium/drivers/nv50/nv50_program.c
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@ -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: