summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/r300/r300_shader_semantics.h
diff options
context:
space:
mode:
authorJosé Fonseca <jfonseca@vmware.com>2010-01-08 15:42:57 +0000
committerJosé Fonseca <jfonseca@vmware.com>2010-01-08 15:42:57 +0000
commit080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch)
treee173767ebc5a82d81b9fc086449d915e29348976 /src/gallium/drivers/r300/r300_shader_semantics.h
parent9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff)
parenta1de400e8de06a80ab140bb0fa950e990607572d (diff)
Merge remote branch 'origin/master' into lp-binning
Conflicts: src/gallium/auxiliary/util/u_surface.c src/gallium/drivers/llvmpipe/Makefile src/gallium/drivers/llvmpipe/SConscript src/gallium/drivers/llvmpipe/lp_bld_arit.c src/gallium/drivers/llvmpipe/lp_bld_flow.c src/gallium/drivers/llvmpipe/lp_bld_interp.c src/gallium/drivers/llvmpipe/lp_clear.c src/gallium/drivers/llvmpipe/lp_context.c src/gallium/drivers/llvmpipe/lp_context.h src/gallium/drivers/llvmpipe/lp_draw_arrays.c src/gallium/drivers/llvmpipe/lp_jit.c src/gallium/drivers/llvmpipe/lp_jit.h src/gallium/drivers/llvmpipe/lp_prim_vbuf.c src/gallium/drivers/llvmpipe/lp_setup.c src/gallium/drivers/llvmpipe/lp_setup_point.c src/gallium/drivers/llvmpipe/lp_state.h src/gallium/drivers/llvmpipe/lp_state_blend.c src/gallium/drivers/llvmpipe/lp_state_derived.c src/gallium/drivers/llvmpipe/lp_state_fs.c src/gallium/drivers/llvmpipe/lp_state_sampler.c src/gallium/drivers/llvmpipe/lp_state_surface.c src/gallium/drivers/llvmpipe/lp_tex_cache.c src/gallium/drivers/llvmpipe/lp_tex_cache.h src/gallium/drivers/llvmpipe/lp_tex_sample.h src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/gallium/drivers/r300/r300_shader_semantics.h')
-rw-r--r--src/gallium/drivers/r300/r300_shader_semantics.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_shader_semantics.h b/src/gallium/drivers/r300/r300_shader_semantics.h
new file mode 100644
index 0000000000..6796841b29
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_shader_semantics.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2009 Marek Olšák <maraeo@gmail.com>
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR 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 R300_SHADER_SEMANTICS_H
+#define R300_SHADER_SEMANTICS_H
+
+#define ATTR_UNUSED (-1)
+#define ATTR_COLOR_COUNT 2
+#define ATTR_GENERIC_COUNT 16
+
+/* This structure contains information about what attributes are written by VS
+ * or read by FS. (but not both) It's much easier to work with than
+ * tgsi_shader_info.
+ *
+ * The variables contain indices to tgsi_shader_info semantics and those
+ * indices are nothing else than input/output register numbers. */
+struct r300_shader_semantics {
+ int pos;
+ int psize;
+ int color[ATTR_COLOR_COUNT];
+ int bcolor[ATTR_COLOR_COUNT];
+ int generic[ATTR_GENERIC_COUNT];
+ int fog;
+ int wpos;
+};
+
+static INLINE void r300_shader_semantics_reset(
+ struct r300_shader_semantics* info)
+{
+ int i;
+
+ info->pos = ATTR_UNUSED;
+ info->psize = ATTR_UNUSED;
+ info->fog = ATTR_UNUSED;
+ info->wpos = ATTR_UNUSED;
+
+ for (i = 0; i < ATTR_COLOR_COUNT; i++) {
+ info->color[i] = ATTR_UNUSED;
+ info->bcolor[i] = ATTR_UNUSED;
+ }
+
+ for (i = 0; i < ATTR_GENERIC_COUNT; i++) {
+ info->generic[i] = ATTR_UNUSED;
+ }
+}
+
+#endif