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-rw-r--r--src/mesa/drivers/osmesa/osmesa.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c
index 37dc35cbedd..10ba6b79314 100644
--- a/src/mesa/drivers/osmesa/osmesa.c
+++ b/src/mesa/drivers/osmesa/osmesa.c
@@ -1327,10 +1327,12 @@ OSMesaMakeCurrent( OSMesaContext osmesa, void *buffer, GLenum type,
* that converts rendering from CHAN_BITS to the user-requested channel
* size.
*/
- osmesa->rb = new_osmesa_renderbuffer(&osmesa->mesa, osmesa->format, type);
- _mesa_remove_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT);
- _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT, osmesa->rb);
- assert(osmesa->rb->RefCount == 2);
+ if (!osmesa->rb) {
+ osmesa->rb = new_osmesa_renderbuffer(&osmesa->mesa, osmesa->format, type);
+ _mesa_remove_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT);
+ _mesa_add_renderbuffer(osmesa->gl_buffer, BUFFER_FRONT_LEFT, osmesa->rb);
+ assert(osmesa->rb->RefCount == 2);
+ }
/* Set renderbuffer fields. Set width/height = 0 to force
* osmesa_renderbuffer_storage() being called by _mesa_resize_framebuffer()