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-rw-r--r--src/gallium/drivers/i965/brw_vs.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_vs.c b/src/gallium/drivers/i965/brw_vs.c
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+++ b/src/gallium/drivers/i965/brw_vs.c
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+/*
+ 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 <[email protected]>
+ */
+
+#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;
+
+ /* XXX: we want edgeflag handling to be integrated to the vertex
+ * shader, but are currently faking the edgeflag output:
+ */
+ if (c.key.copy_edgeflag) {
+ c.prog_data.output_edgeflag = c.prog_data.nr_outputs;
+ c.prog_data.nr_outputs++;
+ }
+ else {
+ c.prog_data.output_edgeflag = ~0;
+ }
+
+
+ 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;
+ key.copy_edgeflag = (brw->curr.rast->templ.fill_ccw != PIPE_POLYGON_MODE_FILL ||
+ brw->curr.rast->templ.fill_cw != PIPE_POLYGON_MODE_FILL);
+
+ 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
+};