Attachment 39788 Details for Bug 31128 – patch to avoid recreating renderbuffer

[patch] patch to avoid recreating renderbuffer

osmesa.c.patch (text/plain), 1.07 KB, created by Brian Paul on 2010-10-26 08:29:49 UTC

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Creator: Brian Paul

Created: 2010-10-26 08:29:49 UTC

Size: 1.07 KB

patch

obsolete

>diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c
>index 37dc35c..10ba6b7 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()

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