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| author | marha <marha@users.sourceforge.net> | 2011-04-30 15:25:48 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-04-30 15:25:48 +0000 |
| commit | 0402d388cb9803652c0f9a52ba7dcb6029fdd0b9 (patch) | |
| tree | afd1b68edb9a74d5c87e63ea72d04b8301705d82 /mesalib/src/gallium/auxiliary/util/u_surfaces.c | |
| parent | c4ae0bb951bfb6061e7f0c492ba03de330137515 (diff) | |
| download | vcxsrv-0402d388cb9803652c0f9a52ba7dcb6029fdd0b9.tar.gz vcxsrv-0402d388cb9803652c0f9a52ba7dcb6029fdd0b9.tar.bz2 vcxsrv-0402d388cb9803652c0f9a52ba7dcb6029fdd0b9.zip | |
Added extra needed files
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_surfaces.c')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_surfaces.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_surfaces.c b/mesalib/src/gallium/auxiliary/util/u_surfaces.c new file mode 100644 index 000000000..9a42c9d29 --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_surfaces.c @@ -0,0 +1,124 @@ +/**************************************************************************
+ *
+ * Copyright 2010 Luca Barbieri
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "u_surfaces.h"
+#include "util/u_hash_table.h"
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
+
+boolean
+util_surfaces_do_get(struct util_surfaces *us, unsigned surface_struct_size,
+ struct pipe_context *ctx, struct pipe_resource *pt,
+ unsigned level, unsigned layer, unsigned flags,
+ struct pipe_surface **res)
+{
+ struct pipe_surface *ps;
+
+ if(pt->target == PIPE_TEXTURE_3D || pt->target == PIPE_TEXTURE_CUBE)
+ { /* or 2D array */
+ if(!us->u.hash)
+ us->u.hash = cso_hash_create();
+
+ ps = cso_hash_iter_data(cso_hash_find(us->u.hash, (layer << 8) | level));
+ }
+ else
+ {
+ if(!us->u.array)
+ us->u.array = CALLOC(pt->last_level + 1, sizeof(struct pipe_surface *));
+ ps = us->u.array[level];
+ }
+
+ if(ps && ps->context == ctx)
+ {
+ p_atomic_inc(&ps->reference.count);
+ *res = ps;
+ return FALSE;
+ }
+
+ ps = (struct pipe_surface *)CALLOC(1, surface_struct_size);
+ if(!ps)
+ {
+ *res = NULL;
+ return FALSE;
+ }
+
+ pipe_surface_init(ctx, ps, pt, level, layer, flags);
+
+ if(pt->target == PIPE_TEXTURE_3D || pt->target == PIPE_TEXTURE_CUBE)
+ cso_hash_insert(us->u.hash, (layer << 8) | level, ps);
+ else
+ us->u.array[level] = ps;
+
+ *res = ps;
+ return TRUE;
+}
+
+void
+util_surfaces_do_detach(struct util_surfaces *us, struct pipe_surface *ps)
+{
+ struct pipe_resource *pt = ps->texture;
+ if(pt->target == PIPE_TEXTURE_3D || pt->target == PIPE_TEXTURE_CUBE)
+ { /* or 2D array */
+ cso_hash_erase(us->u.hash, cso_hash_find(us->u.hash, (ps->u.tex.first_layer << 8) | ps->u.tex.level));
+ }
+ else
+ us->u.array[ps->u.tex.level] = 0;
+}
+
+void
+util_surfaces_destroy(struct util_surfaces *us, struct pipe_resource *pt, void (*destroy_surface) (struct pipe_surface *))
+{
+ if(pt->target == PIPE_TEXTURE_3D || pt->target == PIPE_TEXTURE_CUBE)
+ { /* or 2D array */
+ if(us->u.hash)
+ {
+ struct cso_hash_iter iter;
+ iter = cso_hash_first_node(us->u.hash);
+ while (!cso_hash_iter_is_null(iter)) {
+ destroy_surface(cso_hash_iter_data(iter));
+ iter = cso_hash_iter_next(iter);
+ }
+
+ cso_hash_delete(us->u.hash);
+ us->u.hash = NULL;
+ }
+ }
+ else
+ {
+ if(us->u.array)
+ {
+ unsigned i;
+ for(i = 0; i <= pt->last_level; ++i)
+ {
+ struct pipe_surface *ps = us->u.array[i];
+ if(ps)
+ destroy_surface(ps);
+ }
+ FREE(us->u.array);
+ us->u.array = NULL;
+ }
+ }
+}
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