2 * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com>
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
25 #include "r300_context.h"
26 #include "r300_tgsi_to_rc.h"
28 #include "tgsi/tgsi_dump.h"
29 #include "tgsi/tgsi_parse.h"
31 #include "radeon_compiler.h"
34 static void set_vertex_inputs_outputs(struct r300_vertex_program_compiler
* c
)
36 struct r300_vertex_shader
* vs
= c
->UserData
;
37 struct tgsi_shader_info
* info
= &vs
->info
;
38 struct tgsi_parse_context parser
;
39 struct tgsi_full_declaration
* decl
;
40 boolean pointsize
= FALSE
;
47 /* Fill in the input mapping */
48 for (i
= 0; i
< info
->num_inputs
; i
++)
49 c
->code
->inputs
[i
] = i
;
51 /* Fill in the output mapping */
52 for (i
= 0; i
< info
->num_outputs
; i
++) {
53 switch (info
->output_semantic_name
[i
]) {
54 case TGSI_SEMANTIC_PSIZE
:
57 case TGSI_SEMANTIC_COLOR
:
60 case TGSI_SEMANTIC_FOG
:
61 case TGSI_SEMANTIC_GENERIC
:
67 tgsi_parse_init(&parser
, vs
->state
.tokens
);
69 while (!tgsi_parse_end_of_tokens(&parser
)) {
70 tgsi_parse_token(&parser
);
72 if (parser
.FullToken
.Token
.Type
!= TGSI_TOKEN_TYPE_DECLARATION
)
75 decl
= &parser
.FullToken
.FullDeclaration
;
77 if (decl
->Declaration
.File
!= TGSI_FILE_OUTPUT
)
80 switch (decl
->Semantic
.SemanticName
) {
81 case TGSI_SEMANTIC_POSITION
:
82 c
->code
->outputs
[decl
->DeclarationRange
.First
] = 0;
84 case TGSI_SEMANTIC_PSIZE
:
85 c
->code
->outputs
[decl
->DeclarationRange
.First
] = 1;
87 case TGSI_SEMANTIC_COLOR
:
88 c
->code
->outputs
[decl
->DeclarationRange
.First
] = 1 +
92 case TGSI_SEMANTIC_FOG
:
93 case TGSI_SEMANTIC_GENERIC
:
94 c
->code
->outputs
[decl
->DeclarationRange
.First
] = 1 +
100 debug_printf("r300: vs: Bad semantic declaration %d\n",
101 decl
->Semantic
.SemanticName
);
106 tgsi_parse_free(&parser
);
110 void r300_translate_vertex_shader(struct r300_context
* r300
,
111 struct r300_vertex_shader
* vs
)
113 struct r300_vertex_program_compiler compiler
;
114 struct tgsi_to_rc ttr
;
116 /* Setup the compiler */
117 rc_init(&compiler
.Base
);
119 compiler
.Base
.Debug
= DBG_ON(r300
, DBG_VP
);
120 compiler
.code
= &vs
->code
;
121 compiler
.UserData
= vs
;
123 if (compiler
.Base
.Debug
) {
124 debug_printf("r300: Initial vertex program\n");
125 tgsi_dump(vs
->state
.tokens
, 0);
128 /* Translate TGSI to our internal representation */
129 ttr
.compiler
= &compiler
.Base
;
130 ttr
.info
= &vs
->info
;
132 r300_tgsi_to_rc(&ttr
, vs
->state
.tokens
);
134 compiler
.RequiredOutputs
= ~(~0 << vs
->info
.num_outputs
);
135 compiler
.SetHwInputOutput
= &set_vertex_inputs_outputs
;
137 /* Invoke the compiler */
138 r3xx_compile_vertex_program(&compiler
);
139 if (compiler
.Base
.Error
) {
140 /* Todo: Fail gracefully */
141 fprintf(stderr
, "r300 VP: Compiler error\n");
145 /* And, finally... */
146 rc_destroy(&compiler
.Base
);
147 vs
->translated
= TRUE
;