Fix an error related to glPolygonStipple.

As glPixelStore(GL_UNPACK) affect the bits into a stipple pattern,
hence 128 bytes used to store the pattern in a display list aren't
enough sometimes.

1 files changed, 12 insertions, 5 deletions

diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 293ee5fa349..f50c19f2ceb 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -2723,15 +2723,17 @@ static void GLAPIENTRY
 save_PolygonStipple(const GLubyte * pattern)
 {
    GET_CURRENT_CONTEXT(ctx);
+   GLvoid *image = unpack_image(2, 32, 32, 1, GL_COLOR_INDEX, GL_BITMAP,
+                                pattern, &ctx->Unpack);
    Node *n;
    ASSERT_OUTSIDE_SAVE_BEGIN_END_AND_FLUSH(ctx);
    n = ALLOC_INSTRUCTION(ctx, OPCODE_POLYGON_STIPPLE, 1);
    if (n) {
-      void *data;
-      n[1].data = _mesa_malloc(32 * 4);
-      data = n[1].data;         /* This needed for Acorn compiler */
-      MEMCPY(data, pattern, 32 * 4);
+      n[1].data = image; 
+   } else if (image) {
+       _mesa_free(image);
    }
+
    if (ctx->ExecuteFlag) {
       CALL_PolygonStipple(ctx->Exec, ((GLubyte *) pattern));
    }
@@ -6169,7 +6171,12 @@ execute_list(GLcontext *ctx, GLuint list)
             CALL_PolygonMode(ctx->Exec, (n[1].e, n[2].e));
             break;
          case OPCODE_POLYGON_STIPPLE:
-            CALL_PolygonStipple(ctx->Exec, ((GLubyte *) n[1].data));
+            {
+               const struct gl_pixelstore_attrib save = ctx->Unpack;
+               ctx->Unpack = ctx->DefaultPacking;
+               CALL_PolygonStipple(ctx->Exec, ((GLubyte *) n[1].data));
+               ctx->Unpack = save;      /* restore */
+            }
             break;
          case OPCODE_POLYGON_OFFSET:
             CALL_PolygonOffset(ctx->Exec, (n[1].f, n[2].f));