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nv50: DPH, XPD, some TODOs

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This commit is contained in:
Ben Skeggs 2008-06-05 23:48:23 +10:00
parent fbf4027dd9
commit 21e18e2b74
1 changed files with 61 additions and 0 deletions
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61
src/gallium/drivers/nv50/nv50_program.c
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@ -12,6 +12,25 @@
#define NV50_SU_MAX_TEMP 64
/* ABS
* ARL
* DST - const(1.0)
* FLR
* FRC
* LIT
* POW
* SGE - cvt
* SLT - cvt
* SWZ
*
* MSB - Like MAD, but MUL+SUB
* - Fuck it off, introduce a way to negate args for ops that
* support it.
*
* Need ability to specifiy driver IMMD values, like nv40 constant()
*
* Look into inlining IMMD for ops other than MOV
*/
struct nv50_reg {
enum {
P_TEMP,
@ -512,6 +531,25 @@ emit_mad(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
emit(pc, inst);
}
static void
emit_msb(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src0,
struct nv50_reg *src1, struct nv50_reg *src2)
{
unsigned inst[2] = { 0, 0 };
inst[0] |= 0xe0000000;
set_long(pc, inst);
inst[1] |= 0x08000000; /* src0 * src1 - src2 */
check_swap_src_0_1(pc, &src0, &src1);
set_dst(pc, dst, inst);
set_src_0(pc, src0, inst);
set_src_1(pc, src1, inst);
set_src_2(pc, src2, inst);
emit(pc, inst);
}
static void
emit_flop(struct nv50_pc *pc, unsigned sub,
struct nv50_reg *dst, struct nv50_reg *src)
@ -594,6 +632,19 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
}
free_temp(pc, temp);
break;
case TGSI_OPCODE_DPH:
temp = alloc_temp(pc, NULL);
emit_mul(pc, temp, src[0][0], src[1][0]);
emit_mad(pc, temp, src[0][1], src[1][1], temp);
emit_mad(pc, temp, src[0][2], src[1][2], temp);
emit_add(pc, temp, src[1][3], temp);
for (c = 0; c < 4; c++) {
if (!(mask & (1 << c)))
continue;
emit_mov(pc, dst[c], temp);
}
free_temp(pc, temp);
break;
case TGSI_OPCODE_EX2:
temp = alloc_temp(pc, NULL);
for (c = 0; c < 4; c++) {
@ -682,6 +733,16 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
emit_sub(pc, dst[c], src[0][c], src[1][c]);
}
break;
case TGSI_OPCODE_XPD:
temp = alloc_temp(pc, NULL);
emit_mul(pc, temp, src[0][2], src[1][1]);
emit_msb(pc, dst[0], src[0][1], src[1][2], temp);
emit_mul(pc, temp, src[0][0], src[1][2]);
emit_msb(pc, dst[1], src[0][2], src[1][0], temp);
emit_mul(pc, temp, src[0][1], src[1][0]);
emit_msb(pc, dst[2], src[0][0], src[1][1], temp);
free_temp(pc, temp);
break;
case TGSI_OPCODE_END:
break;
default: