gallium: add a cap for VIEWPORT_SUBPIXEL_BITS (v2)

[mesa.git] / src / gallium / drivers / nouveau / nvc0 / nvc0_screen.c

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index f6816314bdc4b2bd0de98679fb4477254650c842..6d924c3544ce0f41974b17b6f99f3b874aa05602 100644 (file)
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -90,6 +90,13 @@ nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
                  PIPE_BIND_LINEAR |
                  PIPE_BIND_SHARED);
 
+   if (bindings & PIPE_BIND_SHADER_IMAGE && sample_count > 1 &&
+       nouveau_screen(pscreen)->class_3d >= GM107_3D_CLASS) {
+      /* MS images are currently unsupported on Maxwell because they have to
+       * be handled explicitly. */
+      return false;
+   }
+
    return (( nvc0_format_table[format].usage |
             nvc0_vertex_format[format].usage) & bindings) == bindings;
 }
@@ -265,6 +272,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_PCI_BUS:
    case PIPE_CAP_PCI_DEVICE:
    case PIPE_CAP_PCI_FUNCTION:
+   case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
       return 0;
 
    case PIPE_CAP_VENDOR_ID: