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authorZack Rusin <zack@tungstengraphics.com>2007-12-11 07:19:11 -0500
committerZack Rusin <zack@tungstengraphics.com>2007-12-11 07:39:06 -0500
commitc474f1fb9088528af998168717783b52e5c2f0a2 (patch)
treed403522e2ad7f2e1110bb939c2c3e498df33206f /src/mesa/pipe/i965simple/brw_vs.c
parent12363674e5aa39b780020339038186b7715bd4b2 (diff)
Port i965 driver to Gallium3D.
This is a squashed commit of i965 branch on ssh://people.freedesktop.org/~zack/mesa Because of the porting the branch often didn't compile so squashing it makes more sense. The port is still far from complete.
Diffstat (limited to 'src/mesa/pipe/i965simple/brw_vs.c')
-rw-r--r--src/mesa/pipe/i965simple/brw_vs.c130
1 files changed, 130 insertions, 0 deletions
diff --git a/src/mesa/pipe/i965simple/brw_vs.c b/src/mesa/pipe/i965simple/brw_vs.c
new file mode 100644
index 0000000000..33c6624214
--- /dev/null
+++ b/src/mesa/pipe/i965simple/brw_vs.c
@@ -0,0 +1,130 @@
+/*
+ Copyright (C) Intel Corp. 2006. All Rights Reserved.
+ Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ develop this 3D driver.
+
+ 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.
+
+ **********************************************************************/
+ /*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "brw_context.h"
+#include "brw_vs.h"
+#include "brw_util.h"
+#include "brw_state.h"
+
+
+static void do_vs_prog( struct brw_context *brw,
+ const struct brw_vertex_program *vp,
+ struct brw_vs_prog_key *key )
+{
+ unsigned program_size;
+ const unsigned *program;
+ struct brw_vs_compile c;
+
+ memset(&c, 0, sizeof(c));
+ memcpy(&c.key, key, sizeof(*key));
+
+ brw_init_compile(&c.func);
+ c.vp = vp;
+
+ c.prog_data.outputs_written = vp->program.num_outputs;
+ c.prog_data.inputs_read = vp->program.num_inputs;
+
+#if 0
+ if (c.key.copy_edgeflag) {
+ c.prog_data.outputs_written |= 1<<VERT_RESULT_EDGE;
+ c.prog_data.inputs_read |= 1<<VERT_ATTRIB_EDGEFLAG;
+ }
+#endif
+
+ /* Emit GEN4 code.
+ */
+ brw_vs_emit(&c);
+
+ /* get the program
+ */
+ program = brw_get_program(&c.func, &program_size);
+
+ /*
+ */
+ brw->vs.prog_gs_offset = brw_upload_cache( &brw->cache[BRW_VS_PROG],
+ &c.key,
+ sizeof(c.key),
+ program,
+ program_size,
+ &c.prog_data,
+ &brw->vs.prog_data);
+}
+
+
+static void brw_upload_vs_prog( struct brw_context *brw )
+{
+ struct brw_vs_prog_key key;
+ const struct brw_vertex_program *vp = brw->attribs.VertexProgram;
+
+ assert(vp);
+
+ memset(&key, 0, sizeof(key));
+
+ /* Just upload the program verbatim for now. Always send it all
+ * the inputs it asks for, whether they are varying or not.
+ */
+ key.program_string_id = vp->id;
+ key.nr_userclip = brw->attribs.Clip.nr;
+ key.copy_edgeflag = (brw->attribs.Raster->fill_cw != PIPE_POLYGON_MODE_FILL ||
+ brw->attribs.Raster->fill_ccw != PIPE_POLYGON_MODE_FILL);
+
+#if 0
+ /* BRW_NEW_METAOPS
+ */
+ if (brw->metaops.active)
+ key.know_w_is_one = 1;
+#endif
+
+ /* Make an early check for the key.
+ */
+ if (brw_search_cache(&brw->cache[BRW_VS_PROG],
+ &key, sizeof(key),
+ &brw->vs.prog_data,
+ &brw->vs.prog_gs_offset))
+ return;
+
+ do_vs_prog(brw, vp, &key);
+}
+
+
+/* See brw_vs.c:
+ */
+const struct brw_tracked_state brw_vs_prog = {
+ .dirty = {
+#if 0
+ .brw = BRW_NEW_VS | BRW_NEW_METAOPS,
+#endif
+ .brw = BRW_NEW_VS,
+ .cache = 0
+ },
+ .update = brw_upload_vs_prog
+};