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 boolean pointsize
= false;
45 /* Fill in the input mapping */
46 for (i
= 0; i
< info
->num_inputs
; i
++)
47 c
->code
->inputs
[i
] = i
;
49 /* Fill in the output mapping */
50 for (i
= 0; i
< info
->num_outputs
; i
++) {
51 switch (info
->output_semantic_name
[i
]) {
52 case TGSI_SEMANTIC_PSIZE
:
55 case TGSI_SEMANTIC_COLOR
:
58 case TGSI_SEMANTIC_FOG
:
59 case TGSI_SEMANTIC_GENERIC
:
65 struct tgsi_parse_context parser
;
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 struct tgsi_full_declaration
* 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
;
151 /* XXX get these to r300_reg */
152 #define R300_PVS_DST_OPCODE(x) ((x) << 0)
153 # define R300_VE_DOT_PRODUCT 1
154 # define R300_VE_MULTIPLY 2
155 # define R300_VE_ADD 3
156 # define R300_VE_MAXIMUM 7
157 # define R300_VE_SET_LESS_THAN 10
158 #define R300_PVS_DST_MATH_INST (1 << 6)
159 # define R300_ME_RECIP_DX 6
160 #define R300_PVS_DST_MACRO_INST (1 << 7)
161 # define R300_PVS_MACRO_OP_2CLK_MADD 0
162 #define R300_PVS_DST_REG_TYPE(x) ((x) << 8)
163 # define R300_PVS_DST_REG_TEMPORARY 0
164 # define R300_PVS_DST_REG_A0 1
165 # define R300_PVS_DST_REG_OUT 2
166 # define R300_PVS_DST_REG_OUT_REPL_X 3
167 # define R300_PVS_DST_REG_ALT_TEMPORARY 4
168 # define R300_PVS_DST_REG_INPUT 5
169 #define R300_PVS_DST_OFFSET(x) ((x) << 13)
170 #define R300_PVS_DST_WE(x) ((x) << 20)
171 #define R300_PVS_DST_WE_XYZW (0xf << 20)
173 #define R300_PVS_SRC_REG_TYPE(x) ((x) << 0)
174 # define R300_PVS_SRC_REG_TEMPORARY 0
175 # define R300_PVS_SRC_REG_INPUT 1
176 # define R300_PVS_SRC_REG_CONSTANT 2
177 # define R300_PVS_SRC_REG_ALT_TEMPORARY 3
178 #define R300_PVS_SRC_OFFSET(x) ((x) << 5)
179 #define R300_PVS_SRC_SWIZZLE(x) ((x) << 13)
180 # define R300_PVS_SRC_SELECT_X 0
181 # define R300_PVS_SRC_SELECT_Y 1
182 # define R300_PVS_SRC_SELECT_Z 2
183 # define R300_PVS_SRC_SELECT_W 3
184 # define R300_PVS_SRC_SELECT_FORCE_0 4
185 # define R300_PVS_SRC_SELECT_FORCE_1 5
186 # define R300_PVS_SRC_SWIZZLE_XYZW \
187 ((R300_PVS_SRC_SELECT_X | (R300_PVS_SRC_SELECT_Y << 3) | \
188 (R300_PVS_SRC_SELECT_Z << 6) | (R300_PVS_SRC_SELECT_W << 9)) << 13)
189 # define R300_PVS_SRC_SWIZZLE_ZERO \
190 ((R300_PVS_SRC_SELECT_FORCE_0 | (R300_PVS_SRC_SELECT_FORCE_0 << 3) | \
191 (R300_PVS_SRC_SELECT_FORCE_0 << 6) | \
192 (R300_PVS_SRC_SELECT_FORCE_0 << 9)) << 13)
193 # define R300_PVS_SRC_SWIZZLE_ONE \
194 ((R300_PVS_SRC_SELECT_FORCE_1 | (R300_PVS_SRC_SELECT_FORCE_1 << 3) | \
195 (R300_PVS_SRC_SELECT_FORCE_1 << 6) | \
196 (R300_PVS_SRC_SELECT_FORCE_1 << 9)) << 13)
197 #define R300_PVS_MODIFIER_X (1 << 25)
198 #define R300_PVS_MODIFIER_Y (1 << 26)
199 #define R300_PVS_MODIFIER_Z (1 << 27)
200 #define R300_PVS_MODIFIER_W (1 << 28)
201 #define R300_PVS_NEGATE_XYZW \
202 (R300_PVS_MODIFIER_X | R300_PVS_MODIFIER_Y | \
203 R300_PVS_MODIFIER_Z | R300_PVS_MODIFIER_W)
205 struct r300_vertex_program_code r300_passthrough_vertex_shader
= {
206 .length
= 8, /* two instructions */
208 /* MOV out[0], in[0] */
209 .body
.d
[0] = R300_PVS_DST_OPCODE(R300_VE_ADD
) |
210 R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT
) |
211 R300_PVS_DST_OFFSET(0) | R300_PVS_DST_WE_XYZW
,
212 .body
.d
[1] = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT
) |
213 R300_PVS_SRC_OFFSET(0) | R300_PVS_SRC_SWIZZLE_XYZW
,
214 .body
.d
[2] = R300_PVS_SRC_SWIZZLE_ZERO
,
217 /* MOV out[1], in[1] */
218 .body
.d
[4] = R300_PVS_DST_OPCODE(R300_VE_ADD
) |
219 R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT
) |
220 R300_PVS_DST_OFFSET(1) | R300_PVS_DST_WE_XYZW
,
221 .body
.d
[5] = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT
) |
222 R300_PVS_SRC_OFFSET(1) | R300_PVS_SRC_SWIZZLE_XYZW
,
223 .body
.d
[6] = R300_PVS_SRC_SWIZZLE_ZERO
,