diff options
Diffstat (limited to 'src/gallium/drivers/panfrost/pan_context.c')
| -rw-r--r-- | src/gallium/drivers/panfrost/pan_context.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c index b37c95bcf5b..9447c1690b5 100644 --- a/src/gallium/drivers/panfrost/pan_context.c +++ b/src/gallium/drivers/panfrost/pan_context.c @@ -517,6 +517,12 @@ panfrost_emit_point_coord(union mali_attr *slot) } static void +panfrost_emit_front_face(union mali_attr *slot) +{ + slot->elements = MALI_VARYING_FRONT_FACING | MALI_ATTR_INTERNAL; +} + +static void panfrost_emit_varying_descriptor( struct panfrost_context *ctx, unsigned vertex_count) @@ -618,11 +624,20 @@ panfrost_emit_varying_descriptor( ctx->payload_tiler.primitive_size.pointer = panfrost_emit_varyings(ctx, &varyings[idx++], 2, vertex_count); + } else if (fs->reads_face) { + /* Dummy to advance index */ + ++idx; } if (fs->reads_point_coord) { /* Special descriptor */ panfrost_emit_point_coord(&varyings[idx++]); + } else if (fs->reads_face) { + ++idx; + } + + if (fs->reads_face) { + panfrost_emit_front_face(&varyings[idx++]); } mali_ptr varyings_p = panfrost_upload_transient(ctx, &varyings, idx * sizeof(union mali_attr)); |