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authorThomas Balling Sørensen <tball@tball-laptop.(none)>2010-10-05 12:04:08 +0200
committerThomas Balling Sørensen <tball@tball-laptop.(none)>2010-10-05 12:04:08 +0200
commit1218430e1200a08cd64b6555d3fd1fd0274ad9e5 (patch)
treee060fb27b8388a4bd237ca39fc20f1675c5e367c /src/gallium/auxiliary/util/u_linkage.h
parent63b1525cf0a50e3d31328c3b56355a86056e4c05 (diff)
parentbf21b7006c63c3dc47045c22d4f372dfe6c7ce67 (diff)
Merge branch 'master' into pipe-video
Conflicts: configs/linux-dri configure.ac src/gallium/drivers/nvfx/Makefile src/gallium/include/pipe/p_defines.h src/gallium/include/pipe/p_screen.h src/gallium/include/state_tracker/dri1_api.h src/gallium/include/state_tracker/drm_api.h src/gallium/tests/python/samples/tri.py src/gallium/tests/trivial/Makefile src/gallium/tests/unit/Makefile src/gallium/tests/unit/SConscript src/gallium/tests/unit/u_format_test.c src/gallium/winsys/nouveau/drm/nouveau_drm_api.c
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diff --git a/src/gallium/auxiliary/util/u_linkage.h b/src/gallium/auxiliary/util/u_linkage.h
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+/**************************************************************************
+ *
+ * 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_ */