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Diffstat (limited to 'src/gallium/drivers/nv50/nv50_program.c')
-rw-r--r--src/gallium/drivers/nv50/nv50_program.c55
1 files changed, 54 insertions, 1 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c
index 58df4a08dc9..80a32f58cb7 100644
--- a/src/gallium/drivers/nv50/nv50_program.c
+++ b/src/gallium/drivers/nv50/nv50_program.c
@@ -2704,6 +2704,52 @@ nv50_fragprog_validate(struct nv50_context *nv50)
so_ref(NULL, &so);
}
+static void
+nv50_pntc_replace(struct nv50_context *nv50, uint32_t pntc[8], unsigned base)
+{
+ struct nv50_program *fp = nv50->fragprog;
+ struct nv50_program *vp = nv50->vertprog;
+ unsigned i, c, m = base;
+
+ /* XXX: This can't work correctly in all cases yet, we either
+ * have to create TGSI_SEMANTIC_PNTC or sprite_coord_mode has
+ * to be per FP input instead of per VP output
+ */
+ memset(pntc, 0, 8 * sizeof(uint32_t));
+
+ for (i = 0; i < fp->cfg.io_nr; i++) {
+ uint8_t sn, si;
+ uint8_t j = fp->cfg.io[i].id_vp, k = fp->cfg.io[i].id_fp;
+ unsigned n = popcnt4(fp->cfg.io[i].mask);
+
+ if (fp->info.input_semantic_name[k] != TGSI_SEMANTIC_GENERIC) {
+ m += n;
+ continue;
+ }
+
+ sn = vp->info.input_semantic_name[j];
+ si = vp->info.input_semantic_index[j];
+
+ if (j < fp->cfg.io_nr && sn == TGSI_SEMANTIC_GENERIC) {
+ ubyte mode =
+ nv50->rasterizer->pipe.sprite_coord_mode[si];
+
+ if (mode == PIPE_SPRITE_COORD_NONE) {
+ m += n;
+ continue;
+ }
+ }
+
+ /* this is either PointCoord or replaced by sprite coords */
+ for (c = 0; c < 4; c++) {
+ if (!(fp->cfg.io[i].mask & (1 << c)))
+ continue;
+ pntc[m / 8] |= (c + 1) << ((m % 8) * 4);
+ ++m;
+ }
+ }
+}
+
static int
nv50_sreg4_map(uint32_t *p_map, int mid, uint32_t lin[4],
struct nv50_sreg4 *fpi, struct nv50_sreg4 *vpo)
@@ -2736,7 +2782,7 @@ nv50_linkage_validate(struct nv50_context *nv50)
struct nouveau_stateobj *so;
struct nv50_sreg4 dummy, *vpo;
int i, n, c, m = 0;
- uint32_t map[16], lin[4], reg[5];
+ uint32_t map[16], lin[4], reg[5], pcrd[8];
memset(map, 0, sizeof(map));
memset(lin, 0, sizeof(lin));
@@ -2813,6 +2859,13 @@ nv50_linkage_validate(struct nv50_context *nv50)
so_method(so, tesla, 0x1540, 4);
so_datap (so, lin, 4);
+ if (nv50->rasterizer->pipe.point_sprite) {
+ nv50_pntc_replace(nv50, pcrd, (reg[4] >> 8) & 0xff);
+
+ so_method(so, tesla, NV50TCL_POINT_COORD_REPLACE_MAP(0), 8);
+ so_datap (so, pcrd, 8);
+ }
+
so_ref(so, &nv50->state.programs);
so_ref(NULL, &so);
}