r300g/swtcl: make pipe_context uploaders use malloc'd memory as before

Discovered by Roland Scheidegger.

The resource_create code uses GPU memory for PIPE_BIND_CUSTOM, but
malloc'd memory otherwise. Vertex and index buffers should use malloc'd
memory.

Cc: 18.0 18.1 <mesa-stable@lists.freedesktop.org>

src/gallium/drivers/r300/r300_context.c

@@ -88,6 +88,8 @@ static void r300_destroy_context(struct pipe_context* context)
 
     if (r300->uploader)
         u_upload_destroy(r300->uploader);
+    if (r300->context.stream_uploader)
+        u_upload_destroy(r300->context.stream_uploader);
 
     /* XXX: This function assumes r300->query_list was initialized */
     r300_release_referenced_objects(r300);
@@ -424,10 +426,11 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen,
     r300->context.create_video_codec = vl_create_decoder;
     r300->context.create_video_buffer = vl_video_buffer_create;
 
-    r300->uploader = u_upload_create(&r300->context, 1024 * 1024,
+    r300->uploader = u_upload_create(&r300->context, 128 * 1024,
                                      PIPE_BIND_CUSTOM, PIPE_USAGE_STREAM, 0);
-    r300->context.stream_uploader = r300->uploader;
-    r300->context.const_uploader = r300->uploader;
+    r300->context.stream_uploader = u_upload_create(&r300->context, 1024 * 1024,
+                                                    0, PIPE_USAGE_STREAM, 0);
+    r300->context.const_uploader = r300->context.stream_uploader;
 
     r300->blitter = util_blitter_create(&r300->context);
     if (r300->blitter == NULL)