gallium/util: make util_copy_framebuffer_state(src=NULL) work
Be more consistent with the other u_inlines util_copy_xyz_state()
helpers and support NULL src.
Signed-off-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
diff --git a/src/gallium/auxiliary/util/u_framebuffer.c b/src/gallium/auxiliary/util/u_framebuffer.c
index f2108a1..c2948a5 100644
--- a/src/gallium/auxiliary/util/u_framebuffer.c
+++ b/src/gallium/auxiliary/util/u_framebuffer.c
@@ -86,22 +86,37 @@
{
unsigned i;
- dst->width = src->width;
- dst->height = src->height;
+ if (src) {
+ dst->width = src->width;
+ dst->height = src->height;
- dst->samples = src->samples;
- dst->layers = src->layers;
+ dst->samples = src->samples;
+ dst->layers = src->layers;
- for (i = 0; i < src->nr_cbufs; i++)
- pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
+ for (i = 0; i < src->nr_cbufs; i++)
+ pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
- /* Set remaining dest cbuf pointers to NULL */
- for ( ; i < ARRAY_SIZE(dst->cbufs); i++)
- pipe_surface_reference(&dst->cbufs[i], NULL);
+ /* Set remaining dest cbuf pointers to NULL */
+ for ( ; i < ARRAY_SIZE(dst->cbufs); i++)
+ pipe_surface_reference(&dst->cbufs[i], NULL);
- dst->nr_cbufs = src->nr_cbufs;
+ dst->nr_cbufs = src->nr_cbufs;
- pipe_surface_reference(&dst->zsbuf, src->zsbuf);
+ pipe_surface_reference(&dst->zsbuf, src->zsbuf);
+ } else {
+ dst->width = 0;
+ dst->height = 0;
+
+ dst->samples = 0;
+ dst->layers = 0;
+
+ for (i = 0 ; i < ARRAY_SIZE(dst->cbufs); i++)
+ pipe_surface_reference(&dst->cbufs[i], NULL);
+
+ dst->nr_cbufs = 0;
+
+ pipe_surface_reference(&dst->zsbuf, NULL);
+ }
}