1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 **********************************************************/
25
26 #ifndef SVGA_TGSI_H
27 #define SVGA_TGSI_H
28
29 #include "pipe/p_compiler.h"
30 #include "svga3d_reg.h"
31
32
33 #define MAX_VGPU10_ADDR_REGS 4
34
35 struct svga_compile_key;
36 struct svga_context;
37 struct svga_shader;
38 struct svga_shader_variant;
39
40
41 /* TGSI doesn't provide use with VS input semantics (they're actually
42 * pretty meaningless), so we just generate some plausible ones here.
43 * This is called both from within the TGSI translator and when
44 * building vdecls to ensure they match up.
45 *
46 * The real use of this information is matching vertex elements to
47 * fragment shader inputs in the case where vertex shader is disabled.
48 */
svga_generate_vdecl_semantics(unsigned idx,unsigned * usage,unsigned * usage_index)49 static inline void svga_generate_vdecl_semantics( unsigned idx,
50 unsigned *usage,
51 unsigned *usage_index )
52 {
53 if (idx == 0) {
54 *usage = SVGA3D_DECLUSAGE_POSITION;
55 *usage_index = 0;
56 }
57 else {
58 *usage = SVGA3D_DECLUSAGE_TEXCOORD;
59 *usage_index = idx - 1;
60 }
61 }
62
63
64
65 struct svga_shader_variant *
66 svga_tgsi_vgpu9_translate(struct svga_context *svga,
67 const struct svga_shader *shader,
68 const struct svga_compile_key *key,
69 enum pipe_shader_type unit);
70
71 struct svga_shader_variant *
72 svga_tgsi_vgpu10_translate(struct svga_context *svga,
73 const struct svga_shader *shader,
74 const struct svga_compile_key *key,
75 enum pipe_shader_type unit);
76
77 boolean svga_shader_verify(const uint32_t *tokens, unsigned nr_tokens);
78
79 #endif
80