swrast: remove MAX_WIDTH arrays in stencil code

Use some per-context temporary arrays instead.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/mesa/swrast/s_context.h b/src/mesa/swrast/s_context.h
index 9388c356928..26b97f78dec 100644
--- a/src/mesa/swrast/s_context.h
+++ b/src/mesa/swrast/s_context.h
@@ -306,6 +306,13 @@ typedef struct
    /** State used during execution of fragment programs */
    struct gl_program_machine FragProgMachine;
 
+   /** Temporary arrays for stencil operations.  To avoid large stack
+    * allocations.
+    */
+   struct {
+      GLubyte *buf1, *buf2, *buf3, *buf4;
+   } stencil_temp;
+
 } SWcontext;