broadcom/vc5: Skip emitting textures that aren't used.

Fixes crashes when ARB_fp uses texture[1] but not 0, as in piglit's fp-fragment-position.
2017-11-02 19:04:12 -07:00
parent 3d5e62dcfa
commit bd24f4890f
1 changed files with 4 additions and 2 deletions
@@ -201,8 +201,10 @@ emit_one_texture(struct vc5_context *vc5, struct vc5_texture_stateobj *stage_tex
 static void
 emit_textures(struct vc5_context *vc5, struct vc5_texture_stateobj *stage_tex)
 {
-        for (int i = 0; i < stage_tex->num_textures; i++)
-                emit_one_texture(vc5, stage_tex, i);
+        for (int i = 0; i < stage_tex->num_textures; i++) {
+                if (stage_tex->textures[i])
+                        emit_one_texture(vc5, stage_tex, i);
+        }
 }

 void