diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_vs.c')
-rw-r--r-- | src/gallium/drivers/i965/brw_vs.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_vs.c b/src/gallium/drivers/i965/brw_vs.c new file mode 100644 index 0000000..e3ea5a3 --- /dev/null +++ b/src/gallium/drivers/i965/brw_vs.c @@ -0,0 +1,131 @@ +/* + 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 "tgsi/tgsi_dump.h" + +#include "brw_context.h" +#include "brw_vs.h" +#include "brw_util.h" +#include "brw_state.h" +#include "brw_pipe_rast.h" + + + +static enum pipe_error do_vs_prog( struct brw_context *brw, + struct brw_vertex_shader *vp, + struct brw_vs_prog_key *key, + struct brw_winsys_buffer **bo_out) +{ + enum pipe_error ret; + GLuint program_size; + const GLuint *program; + struct brw_vs_compile c; + + memset(&c, 0, sizeof(c)); + memcpy(&c.key, key, sizeof(*key)); + + brw_init_compile(brw, &c.func); + c.vp = vp; + + c.prog_data.nr_outputs = vp->info.num_outputs; + c.prog_data.nr_inputs = vp->info.num_inputs; + + if (1) + tgsi_dump(c.vp->tokens, 0); + + /* Emit GEN4 code. + */ + brw_vs_emit(&c); + + /* get the program + */ + ret = brw_get_program(&c.func, &program, &program_size); + if (ret) + return ret; + + ret = brw_upload_cache( &brw->cache, BRW_VS_PROG, + &c.key, brw_vs_prog_key_size(&c.key), + NULL, 0, + program, program_size, + &c.prog_data, + &brw->vs.prog_data, + bo_out); + if (ret) + return ret; + + return PIPE_OK; +} + + +static enum pipe_error brw_upload_vs_prog(struct brw_context *brw) +{ + struct brw_vs_prog_key key; + struct brw_vertex_shader *vp = brw->curr.vertex_shader; + struct brw_fs_signature *sig = &brw->curr.fragment_shader->signature; + enum pipe_error ret; + + memset(&key, 0, sizeof(key)); + + key.program_string_id = vp->id; + key.nr_userclip = brw->curr.ucp.nr; + + memcpy(&key.fs_signature, sig, brw_fs_signature_size(sig)); + + + /* Make an early check for the key. + */ + if (brw_search_cache(&brw->cache, BRW_VS_PROG, + &key, brw_vs_prog_key_size(&key), + NULL, 0, + &brw->vs.prog_data, + &brw->vs.prog_bo)) + return PIPE_OK; + + ret = do_vs_prog(brw, vp, &key, &brw->vs.prog_bo); + if (ret) + return ret; + + return PIPE_OK; +} + + +/* See brw_vs.c: + */ +const struct brw_tracked_state brw_vs_prog = { + .dirty = { + .mesa = (PIPE_NEW_CLIP | + PIPE_NEW_RAST | + PIPE_NEW_FRAGMENT_SIGNATURE), + .brw = BRW_NEW_VERTEX_PROGRAM, + .cache = 0 + }, + .prepare = brw_upload_vs_prog +}; |