Mesa (master): r300g: reference surfaces in set_framebuffer_state

Marek Olšák mareko at kemper.freedesktop.org
Sun Jun 27 06:17:53 PDT 2010


Module: Mesa
Branch: master
Commit: 639a7daa85ccc016965a51e46298fd6fdf1ceec6
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=639a7daa85ccc016965a51e46298fd6fdf1ceec6

Author: Marek Olšák <maraeo at gmail.com>
Date:   Sun Jun 27 00:39:27 2010 +0200

r300g: reference surfaces in set_framebuffer_state

---

 src/gallium/drivers/r300/r300_state.c |   20 +++++++++++++++++++-
 1 files changed, 19 insertions(+), 1 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index 09e694f..567774c 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -659,6 +659,24 @@ static void r300_print_fb_surf_info(struct pipe_surface *surf, unsigned index,
             tex->last_level, util_format_short_name(tex->format));
 }
 
+static void copy_framebuffer_state(struct pipe_framebuffer_state *dst,
+                                   const struct pipe_framebuffer_state *src)
+{
+    unsigned i;
+
+    for (i = 0; i < src->nr_cbufs; i++) {
+        pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
+    }
+    for (; i < dst->nr_cbufs; i++) {
+        pipe_surface_reference(&dst->cbufs[i], NULL);
+    }
+    pipe_surface_reference(&dst->zsbuf, src->zsbuf);
+
+    dst->nr_cbufs = src->nr_cbufs;
+    dst->width = src->width;
+    dst->height = src->height;
+}
+
 static void
     r300_set_framebuffer_state(struct pipe_context* pipe,
                                const struct pipe_framebuffer_state* state)
@@ -703,7 +721,7 @@ static void
     /* The tiling flags are dependent on the surface miplevel, unfortunately. */
     r300_fb_set_tiling_flags(r300, r300->fb_state.state, state);
 
-    memcpy(r300->fb_state.state, state, sizeof(struct pipe_framebuffer_state));
+    copy_framebuffer_state(r300->fb_state.state, state);
 
     r300->fb_state.size =
             7 +



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