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-rw-r--r--src/gallium/drivers/nvc0/nvc0_program.c17
-rw-r--r--src/gallium/drivers/nvc0/nvc0_program.h4
-rw-r--r--src/gallium/drivers/nvc0/nvc0_state_validate.c12
3 files changed, 19 insertions, 14 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_program.c b/src/gallium/drivers/nvc0/nvc0_program.c
index 605bca5e6ba..5eee895fea7 100644
--- a/src/gallium/drivers/nvc0/nvc0_program.c
+++ b/src/gallium/drivers/nvc0/nvc0_program.c
@@ -59,7 +59,9 @@ nvc0_shader_input_address(unsigned sn, unsigned si, unsigned ubase)
case TGSI_SEMANTIC_FOG: return 0x270;
case TGSI_SEMANTIC_COLOR: return 0x280 + si * 0x10;
case TGSI_SEMANTIC_BCOLOR: return 0x2a0 + si * 0x10;
- case NV50_SEMANTIC_CLIPDISTANCE: return 0x2c0 + si * 0x10;
+ case NV50_SEMANTIC_CLIPDISTANCE: return 0x2c0 + si * 0x4;
+ case TGSI_SEMANTIC_CLIPDIST: return 0x2c0 + si * 0x10;
+ case TGSI_SEMANTIC_CLIPVERTEX: return 0x260;
case NV50_SEMANTIC_POINTCOORD: return 0x2e0;
case NV50_SEMANTIC_TESSCOORD: return 0x2f0;
case TGSI_SEMANTIC_INSTANCEID: return 0x2f8;
@@ -87,7 +89,9 @@ nvc0_shader_output_address(unsigned sn, unsigned si, unsigned ubase)
case TGSI_SEMANTIC_FOG: return 0x270;
case TGSI_SEMANTIC_COLOR: return 0x280 + si * 0x10;
case TGSI_SEMANTIC_BCOLOR: return 0x2a0 + si * 0x10;
- case NV50_SEMANTIC_CLIPDISTANCE: return 0x2c0 + si * 0x10;
+ case NV50_SEMANTIC_CLIPDISTANCE: return 0x2c0 + si * 0x4;
+ case TGSI_SEMANTIC_CLIPDIST: return 0x2c0 + si * 0x10;
+ case TGSI_SEMANTIC_CLIPVERTEX: return 0x260;
case NV50_SEMANTIC_TEXCOORD: return 0x300 + si * 0x10;
case TGSI_SEMANTIC_EDGEFLAG: return ~0;
default:
@@ -268,11 +272,14 @@ nvc0_vtgp_gen_header(struct nvc0_program *vp, struct nv50_ir_prog_info *info)
}
}
- vp->vp.clip_enable = (1 << info->io.clipDistanceCount) - 1;
+ vp->vp.clip_enable = info->io.clipDistanceMask;
for (i = 0; i < 8; ++i)
if (info->io.cullDistanceMask & (1 << i))
vp->vp.clip_mode |= 1 << (i * 4);
+ if (info->io.genUserClip < 0)
+ vp->vp.num_ucps = PIPE_MAX_CLIP_PLANES; /* prevent rebuilding */
+
return 0;
}
@@ -282,7 +289,7 @@ nvc0_vp_gen_header(struct nvc0_program *vp, struct nv50_ir_prog_info *info)
vp->hdr[0] = 0x20061 | (1 << 10);
vp->hdr[4] = 0xff000;
- vp->hdr[18] = (1 << info->io.clipDistanceCount) - 1;
+ vp->hdr[18] = info->io.clipDistanceMask;
return nvc0_vtgp_gen_header(vp, info);
}
@@ -549,7 +556,7 @@ nvc0_program_translate(struct nvc0_program *prog)
info->bin.sourceRep = NV50_PROGRAM_IR_TGSI;
info->bin.source = (void *)prog->pipe.tokens;
- info->io.clipDistanceCount = prog->vp.num_ucps;
+ info->io.genUserClip = prog->vp.num_ucps;
info->assignSlots = nvc0_program_assign_varying_slots;
diff --git a/src/gallium/drivers/nvc0/nvc0_program.h b/src/gallium/drivers/nvc0/nvc0_program.h
index 10eb9f724d5..c384ef534d5 100644
--- a/src/gallium/drivers/nvc0/nvc0_program.h
+++ b/src/gallium/drivers/nvc0/nvc0_program.h
@@ -36,9 +36,9 @@ struct nvc0_program {
struct {
uint32_t clip_mode; /* clip/cull selection */
- uint8_t clip_enable; /* only applies if num_ucps == 0 */
+ uint8_t clip_enable; /* mask of defined clip planes */
uint8_t edgeflag;
- uint8_t num_ucps;
+ uint8_t num_ucps; /* also set to max if ClipDistance is used */
} vp;
struct {
uint8_t early_z;
diff --git a/src/gallium/drivers/nvc0/nvc0_state_validate.c b/src/gallium/drivers/nvc0/nvc0_state_validate.c
index 472ddee5216..6307b3a3de6 100644
--- a/src/gallium/drivers/nvc0/nvc0_state_validate.c
+++ b/src/gallium/drivers/nvc0/nvc0_state_validate.c
@@ -301,7 +301,7 @@ nvc0_validate_clip(struct nvc0_context *nvc0)
{
struct nouveau_channel *chan = nvc0->screen->base.channel;
struct nvc0_program *vp;
- uint8_t clip_enable;
+ uint8_t clip_enable = nvc0->rast->pipe.clip_plane_enable;
if (nvc0->dirty & NVC0_NEW_CLIP)
nvc0_upload_uclip_planes(nvc0);
@@ -312,13 +312,11 @@ nvc0_validate_clip(struct nvc0_context *nvc0)
if (!vp)
vp = nvc0->vertprog;
}
- clip_enable = vp->vp.clip_enable;
- if (!clip_enable) {
- clip_enable = nvc0->rast->pipe.clip_plane_enable;
- if (unlikely(clip_enable))
- nvc0_check_program_ucps(nvc0, vp, clip_enable);
- }
+ if (clip_enable && vp->vp.num_ucps < PIPE_MAX_CLIP_PLANES)
+ nvc0_check_program_ucps(nvc0, vp, clip_enable);
+
+ clip_enable &= vp->vp.clip_enable;
if (nvc0->state.clip_enable != clip_enable) {
nvc0->state.clip_enable = clip_enable;