compiler: Store the clip/cull distance array sizes in shader_info.

We switched from a boolean to array lengths in gl_program a while back.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>

src/compiler/shader_info.h

@@ -67,8 +67,11 @@ typedef struct shader_info {
    /* Whether or not this shader ever uses textureGather() */
    bool uses_texture_gather;
 
-   /* Whether or not this shader uses the gl_ClipDistance output */
-   bool uses_clip_distance_out;
+   /* The size of the gl_ClipDistance[] array, if declared. */
+   unsigned clip_distance_array_size;
+
+   /* The size of the gl_CullDistance[] array, if declared. */
+   unsigned cull_distance_array_size;
 
    /* Whether or not separate shader objects were used */
    bool separate_shader;