mesa: initial support for ARB_geometry_shader4

laying down the foundation for everything and implementing most of the
stuff.
linking, gl_VerticesIn and multidimensional inputs are left.

3 files changed, 7 insertions, 0 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 6432cea862d..49b13f464a7 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -166,6 +166,8 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return LP_MAX_TGSI_PREDS;
    case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
       return 1;
+   case PIPE_CAP_GEOMETRY_SHADER4:
+      return 1;
    default:
       assert(0);
       return 0;
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 5bba55906c3..cad99ca8453 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -207,6 +207,8 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
             return 1; /* XXX guessed */
         case PIPE_CAP_MAX_VS_PREDS:
             return is_r500 ? 4 : 0; /* XXX guessed. */
+        case PIPE_CAP_GEOMETRY_SHADER4:
+            return 0;
 
         default:
             fprintf(stderr, "r300: Implementation error: Bad param %d\n",
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index fc57d3eb611..93af6ee5b02 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -149,6 +149,9 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
 
    case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
       return 0;
+
+   case PIPE_CAP_GEOMETRY_SHADER4:
+      return 1;
    default:
       return 0;
    }