draw: fix assertion failure in draw_emit_vertex_attr

This is a regression since b3921e1f53833420e0a0fd581f7417.

The array stores VS outputs, not FS inputs.
Now llvmpipe can do 32 varyings too.

NOTE: This is a candidate for the stable branches.

Reviewed-by: Brian Paul <brianp@vmware.com>

diff --git a/src/gallium/auxiliary/draw/draw_vertex.h b/src/gallium/auxiliary/draw/draw_vertex.h
index e63cf5f4f98129824bdb7a1e6a999a8efb690de3..c87c3d84ce2a91b3199777c47db3478760f2baeb 100644 (file)
--- a/src/gallium/auxiliary/draw/draw_vertex.h
+++ b/src/gallium/auxiliary/draw/draw_vertex.h
@@ -42,6 +42,7 @@
 #include "pipe/p_compiler.h"
 #include "pipe/p_state.h"
 #include "util/u_debug.h"
+#include "util/u_memory.h"
 
 
 /**
@@ -87,7 +88,7 @@ struct vertex_info
       unsigned interp_mode:4;      /**< INTERP_x */
       unsigned emit:4;             /**< EMIT_x */
       unsigned src_index:8;          /**< map to post-xform attribs */
-   } attrib[PIPE_MAX_SHADER_INPUTS];
+   } attrib[PIPE_MAX_SHADER_OUTPUTS];
 };
 
 static INLINE size_t
@@ -127,7 +128,7 @@ draw_emit_vertex_attr(struct vertex_info *vinfo,
                       uint src_index)
 {
    const uint n = vinfo->num_attribs;
-   assert(n < PIPE_MAX_SHADER_INPUTS);
+   assert(n < Elements(vinfo->attrib));
    vinfo->attrib[n].emit = emit;
    vinfo->attrib[n].interp_mode = interp;
    vinfo->attrib[n].src_index = src_index;