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authorJosé Fonseca <jfonseca@vmware.com>2010-02-05 13:48:35 +0000
committerJosé Fonseca <jfonseca@vmware.com>2010-02-05 13:48:35 +0000
commita1af8eec66c5f7ec421e8011b41c1a7c36319f9f (patch)
treebc76a431699807cf60cf8ba82ff6b3b1ff34f309 /src/gallium/auxiliary/util/u_surface.c
parentc036d13d7d2cc905226fe53ebd86a18da808963f (diff)
parentbee9964b29b2428ee75e2d1efc0e1d2c2518a417 (diff)
Merge remote branch 'origin/lp-binning'
Conflicts: src/gallium/auxiliary/util/u_dl.c src/gallium/auxiliary/util/u_time.h src/gallium/drivers/llvmpipe/lp_state_derived.c src/gallium/drivers/llvmpipe/lp_state_surface.c src/gallium/drivers/llvmpipe/lp_tex_cache.c src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/gallium/auxiliary/util/u_surface.c')
-rw-r--r--src/gallium/auxiliary/util/u_surface.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_surface.c b/src/gallium/auxiliary/util/u_surface.c
index 6053c111e3..c9f1c9c210 100644
--- a/src/gallium/auxiliary/util/u_surface.c
+++ b/src/gallium/auxiliary/util/u_surface.c
@@ -37,6 +37,7 @@
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
+#include "util/u_memory.h"
#include "util/u_surface.h"
@@ -111,3 +112,73 @@ util_destroy_rgba_surface(struct pipe_texture *texture,
pipe_texture_reference(&texture, NULL);
}
+
+
+/**
+ * Compare pipe_framebuffer_state objects.
+ * \return TRUE if same, FALSE if different
+ */
+boolean
+util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
+ const struct pipe_framebuffer_state *src)
+{
+ unsigned i;
+
+ if (dst->width != src->width ||
+ dst->height != src->height)
+ return FALSE;
+
+ for (i = 0; i < Elements(src->cbufs); i++) {
+ if (dst->cbufs[i] != src->cbufs[i]) {
+ return FALSE;
+ }
+ }
+
+ if (dst->nr_cbufs != src->nr_cbufs) {
+ return FALSE;
+ }
+
+ if (dst->zsbuf != src->zsbuf) {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
+/**
+ * Copy framebuffer state from src to dst, updating refcounts.
+ */
+void
+util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
+ const struct pipe_framebuffer_state *src)
+{
+ unsigned i;
+
+ dst->width = src->width;
+ dst->height = src->height;
+
+ for (i = 0; i < Elements(src->cbufs); i++) {
+ pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
+ }
+
+ dst->nr_cbufs = src->nr_cbufs;
+
+ pipe_surface_reference(&dst->zsbuf, src->zsbuf);
+}
+
+
+void
+util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb)
+{
+ unsigned i;
+
+ for (i = 0; i < fb->nr_cbufs; i++) {
+ pipe_surface_reference(&fb->cbufs[i], NULL);
+ }
+
+ pipe_surface_reference(&fb->zsbuf, NULL);
+
+ fb->width = fb->height = 0;
+ fb->nr_cbufs = 0;
+}