diff options
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 50 |
1 files changed, 36 insertions, 14 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index 64a0b571a58..bf50982dd16 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -1258,10 +1258,36 @@ emit_kil(struct nv50_pc *pc, struct nv50_reg *src) } static void +load_cube_tex_coords(struct nv50_pc *pc, struct nv50_reg *t[4], + struct nv50_reg **src, boolean proj) +{ + int mod[3] = { src[0]->mod, src[1]->mod, src[2]->mod }; + + src[0]->mod |= NV50_MOD_ABS; + src[1]->mod |= NV50_MOD_ABS; + src[2]->mod |= NV50_MOD_ABS; + + emit_minmax(pc, 4, t[2], src[0], src[1]); + emit_minmax(pc, 4, t[2], src[2], t[2]); + + src[0]->mod = mod[0]; + src[1]->mod = mod[1]; + src[2]->mod = mod[2]; + + if (proj && 0 /* looks more correct without this */) + emit_mul(pc, t[2], t[2], src[3]); + emit_flop(pc, 0, t[2], t[2]); + + emit_mul(pc, t[0], src[0], t[2]); + emit_mul(pc, t[1], src[1], t[2]); + emit_mul(pc, t[2], src[2], t[2]); +} + +static void emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, struct nv50_reg **src, unsigned unit, unsigned type, boolean proj) { - struct nv50_reg *temp, *t[4]; + struct nv50_reg *t[4]; struct nv50_program_exec *e; unsigned c, mode, dim; @@ -1290,6 +1316,9 @@ emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, /* some cards need t[0]'s hw index to be a multiple of 4 */ alloc_temp4(pc, t, 0); + if (type == TGSI_TEXTURE_CUBE) { + load_cube_tex_coords(pc, t, src, proj); + } else if (proj) { if (src[0]->type == P_TEMP && src[0]->rhw != -1) { mode = pc->interp_mode[src[0]->index]; @@ -1314,17 +1343,8 @@ emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, */ } } else { - if (type == TGSI_TEXTURE_CUBE) { - temp = temp_temp(pc); - emit_minmax(pc, 4, temp, src[0], src[1]); - emit_minmax(pc, 4, temp, temp, src[2]); - emit_flop(pc, 0, temp, temp); - for (c = 0; c < 3; c++) - emit_mul(pc, t[c], src[c], temp); - } else { - for (c = 0; c < dim; c++) - emit_mov(pc, t[c], src[c]); - } + for (c = 0; c < dim; c++) + emit_mov(pc, t[c], src[c]); } e = exec(pc); @@ -1337,14 +1357,16 @@ emit_tex(struct nv50_pc *pc, struct nv50_reg **dst, unsigned mask, if (dim == 2) e->inst[0] |= 0x00400000; else - if (dim == 3) + if (dim == 3) { e->inst[0] |= 0x00800000; + if (type == TGSI_TEXTURE_CUBE) + e->inst[0] |= 0x08000000; + } e->inst[0] |= (mask & 0x3) << 25; e->inst[1] |= (mask & 0xc) << 12; emit(pc, e); - #if 1 c = 0; if (mask & 1) emit_mov(pc, dst[0], t[c++]); |