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, 13 insertions, 0 deletions

diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index f5f07fa75eb..82d7c98b685 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -167,6 +167,13 @@ svga_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
       return 15.0;
 
+   case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
+      /* fall-through */
+   case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
+      /* fall-through */
+   case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
+      return 0.0f;
+
    }
 
    debug_printf("Unexpected PIPE_CAPF_ query %u\n", param);
@@ -373,6 +380,12 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
    case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
+   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:
       return 0;
    case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
       return 64;