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1 /**********************************************************
2  * Copyright 2008-2022 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 void
80 svga_tgsi_scan_shader(struct svga_shader *shader);
81 
82 struct svga_shader_variant *
83 svga_tgsi_compile_shader(struct svga_context *svga,
84                          struct svga_shader *shader,
85                          const struct svga_compile_key *key);
86 #endif
87