diff options
| author | marha <marha@users.sourceforge.net> | 2011-04-30 16:21:56 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2011-04-30 16:21:56 +0000 |
| commit | e4dd9264ee8d4a20eef0eec8c8bf8cff2473b46f (patch) | |
| tree | 1804d7456ba8f200c7e329d4e6aa67ce4fb1649f /mesalib/src/gallium/auxiliary/util/u_linkage.h | |
| parent | 88a78ebea08af461224f815a8380ea5c54186f43 (diff) | |
| parent | 0402d388cb9803652c0f9a52ba7dcb6029fdd0b9 (diff) | |
| download | vcxsrv-e4dd9264ee8d4a20eef0eec8c8bf8cff2473b46f.tar.gz vcxsrv-e4dd9264ee8d4a20eef0eec8c8bf8cff2473b46f.tar.bz2 vcxsrv-e4dd9264ee8d4a20eef0eec8c8bf8cff2473b46f.zip | |
svn merge ^/branches/released .
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_linkage.h')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_linkage.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_linkage.h b/mesalib/src/gallium/auxiliary/util/u_linkage.h new file mode 100644 index 000000000..bca4d3b4a --- /dev/null +++ b/mesalib/src/gallium/auxiliary/util/u_linkage.h @@ -0,0 +1,66 @@ +/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#ifndef U_LINKAGE_H_
+#define U_LINKAGE_H_
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_shader_tokens.h"
+
+struct util_semantic_set
+{
+ unsigned long masks[256 / 8 / sizeof(unsigned long)];
+};
+
+static INLINE bool
+util_semantic_set_contains(struct util_semantic_set *set, unsigned char value)
+{
+ return !!(set->masks[value / (sizeof(long) * 8)] & (1 << (value / (sizeof(long) * 8))));
+}
+
+unsigned util_semantic_set_from_program_file(struct util_semantic_set *set, const struct tgsi_token *tokens, enum tgsi_file_type file);
+
+/* efficient_slots is the number of slots such that hardware performance is
+ * the same for using that amount, with holes, or less slots but with less
+ * holes.
+ *
+ * num_slots is the size of the layout array and hardware limit instead.
+ *
+ * efficient_slots == 0 or efficient_solts == num_slots are typical settings.
+ */
+void util_semantic_layout_from_set(unsigned char *layout, const struct util_semantic_set *set, unsigned efficient_slots, unsigned num_slots);
+
+static INLINE void
+util_semantic_table_from_layout(unsigned char *table, unsigned char *layout, unsigned char first_slot_value, unsigned char num_slots)
+{
+ int i;
+ memset(table, 0xff, sizeof(table));
+
+ for(i = 0; i < num_slots; ++i)
+ table[layout[i]] = first_slot_value + i;
+}
+
+#endif /* U_LINKAGE_H_ */
|