1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 2007 VMware, Inc. All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * VMWARE BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN
21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 /**
26 * \file t_vp_build.c
27 * Create a vertex program to execute the current fixed function T&L pipeline.
28 * \author Keith Whitwell
29 */
30
31
32 #include "main/glheader.h"
33 #include "main/ffvertex_prog.h"
34 #include "main/mtypes.h"
35 #include "t_vp_build.h"
36
37
38 /**
39 * XXX This should go away someday, but still referenced by some drivers...
40 */
_tnl_UpdateFixedFunctionProgram(struct gl_context * ctx)41 void _tnl_UpdateFixedFunctionProgram( struct gl_context *ctx )
42 {
43 const struct gl_program *prev = ctx->VertexProgram._Current;
44
45 if (!ctx->VertexProgram._Current ||
46 ctx->VertexProgram._Current == ctx->VertexProgram._TnlProgram) {
47 ctx->VertexProgram._Current
48 = ctx->VertexProgram._TnlProgram
49 = _mesa_get_fixed_func_vertex_program(ctx);
50 }
51
52 /* Tell the driver about the change. Could define a new target for
53 * this?
54 */
55 if (ctx->VertexProgram._Current != prev && ctx->Driver.BindProgram) {
56 ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB,
57 ctx->VertexProgram._Current);
58 }
59 }
60