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authorIlia Mirkin <imirkin@alum.mit.edu>2014-07-12 22:08:44 -0400
committerIlia Mirkin <imirkin@alum.mit.edu>2015-07-23 03:33:08 -0400
commit4b2a58a523715c28c96267286054baf511e15303 (patch)
tree8bb193106a022e18d08d2d38f14a2e0b0dd62be0 /src
parentc8e5337a9a240befcc953695c8822b0749c7a042 (diff)
nvc0: TESSCOORD comes in as a sysval, not an input
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/nouveau/codegen/nv50_ir_driver.h2
-rw-r--r--src/gallium/drivers/nouveau/nvc0/nvc0_program.c19
2 files changed, 10 insertions, 11 deletions
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_driver.h b/src/gallium/drivers/nouveau/codegen/nv50_ir_driver.h
index bacc80d001d..cd00ddc1c86 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_driver.h
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_driver.h
@@ -70,8 +70,6 @@ struct nv50_ir_varying
#endif
#define NV50_SEMANTIC_CLIPDISTANCE (TGSI_SEMANTIC_COUNT + 0)
-#define NV50_SEMANTIC_TESSFACTOR (TGSI_SEMANTIC_COUNT + 7)
-#define NV50_SEMANTIC_TESSCOORD (TGSI_SEMANTIC_COUNT + 8)
#define NV50_SEMANTIC_COUNT (TGSI_SEMANTIC_COUNT + 10)
#define NV50_PRIM_PATCHES PIPE_PRIM_MAX
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_program.c b/src/gallium/drivers/nouveau/nvc0/nvc0_program.c
index dbedb35c374..014e6815dbc 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_program.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_program.c
@@ -123,9 +123,6 @@ nvc0_sp_assign_input_slots(struct nv50_ir_prog_info *info)
if (info->in[i].patch && offset >= 0x20)
offset = 0x20 + info->in[i].si * 0x10;
- if (info->in[i].sn == NV50_SEMANTIC_TESSCOORD)
- info->in[i].mask &= 3;
-
for (c = 0; c < 4; ++c)
info->in[i].slot[c] = (offset + c * 0x4) / 4;
}
@@ -218,12 +215,8 @@ nvc0_vtgp_gen_header(struct nvc0_program *vp, struct nv50_ir_prog_info *info)
continue;
for (c = 0; c < 4; ++c) {
a = info->in[i].slot[c];
- if (info->in[i].mask & (1 << c)) {
- if (info->in[i].sn != NV50_SEMANTIC_TESSCOORD)
- vp->hdr[5 + a / 32] |= 1 << (a % 32);
- else
- nvc0_vtgp_hdr_update_oread(vp, info->in[i].slot[c]);
- }
+ if (info->in[i].mask & (1 << c))
+ vp->hdr[5 + a / 32] |= 1 << (a % 32);
}
}
@@ -252,6 +245,14 @@ nvc0_vtgp_gen_header(struct nvc0_program *vp, struct nv50_ir_prog_info *info)
case TGSI_SEMANTIC_VERTEXID:
vp->hdr[10] |= 1 << 31;
break;
+ case TGSI_SEMANTIC_TESSCOORD:
+ /* We don't have the mask, nor the slots populated. While this could
+ * be achieved, the vast majority of the time if either of the coords
+ * are read, then both will be read.
+ */
+ nvc0_vtgp_hdr_update_oread(vp, 0x2f0 / 4);
+ nvc0_vtgp_hdr_update_oread(vp, 0x2f4 / 4);
+ break;
default:
break;
}