gallium: add initial support for conservative rasterization

Signed-off-by: Rhys Perry <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

1 files changed, 12 insertions, 1 deletions

diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c
index cead71b77cd..81c8049325f 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -287,7 +287,13 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
         case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
         case PIPE_CAP_CONTEXT_PRIORITY_MASK:
         case PIPE_CAP_FENCE_SIGNAL:
-	case PIPE_CAP_CONSTBUF0_FLAGS:
+        case PIPE_CAP_CONSTBUF0_FLAGS:
+        case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES:
+        case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES:
+        case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES:
+        case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES:
+        case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE:
+        case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
         case PIPE_CAP_PACKED_UNIFORMS:
                 return 0;
 
@@ -375,6 +381,11 @@ vc4_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
                 return 0.0f;
         case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
                 return 0.0f;
+
+        case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
+        case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
+        case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
+                return 0.0f;
         default:
                 fprintf(stderr, "unknown paramf %d\n", param);
                 return 0;