1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
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:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
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
24 **********************************************************/
26 #ifndef SVGA_TGSI_EMIT_H
27 #define SVGA_TGSI_EMIT_H
29 #include "tgsi/tgsi_scan.h"
30 #include "svga_hw_reg.h"
31 #include "svga_tgsi.h"
32 #include "svga3d_shaderdefs.h"
36 SVGA3dShaderSrcToken base
;
37 SVGA3dShaderSrcToken indirect
;
41 struct svga_arl_consts
{
48 /* Internal functions:
51 struct svga_shader_emitter
59 union svga_compile_key key
;
60 struct tgsi_shader_info info
;
70 int internal_temp_count
;
71 int internal_imm_count
;
73 int internal_color_idx
[2]; /* diffuse, specular */
74 int internal_color_count
;
76 boolean emitted_vface
;
77 boolean emit_frontface
;
78 int internal_frontface_idx
;
84 boolean created_zero_immediate
;
85 int zero_immediate_idx
;
87 boolean created_loop_const
;
90 boolean created_sincos_consts
;
91 int sincos_consts_idx
;
96 struct src_register input_map
[PIPE_MAX_ATTRIBS
];
97 SVGA3dShaderDestToken output_map
[PIPE_MAX_ATTRIBS
];
99 struct src_register imm_0055
;
100 SVGA3dShaderDestToken temp_pos
;
101 SVGA3dShaderDestToken true_pos
;
103 SVGA3dShaderDestToken temp_col
[PIPE_MAX_COLOR_BUFS
];
104 SVGA3dShaderDestToken true_col
[PIPE_MAX_COLOR_BUFS
];
106 SVGA3dShaderDestToken temp_psiz
;
107 SVGA3dShaderDestToken true_psiz
;
109 struct svga_arl_consts arl_consts
[12];
115 boolean
svga_shader_emit_dword( struct svga_shader_emitter
*emit
,
118 boolean
svga_shader_emit_dwords( struct svga_shader_emitter
*emit
,
119 const unsigned *dwords
,
122 boolean
svga_shader_emit_opcode( struct svga_shader_emitter
*emit
,
125 boolean
svga_shader_emit_instructions( struct svga_shader_emitter
*emit
,
126 const struct tgsi_token
*tokens
);
128 boolean
svga_translate_decl_sm20( struct svga_shader_emitter
*emit
,
129 const struct tgsi_full_declaration
*decl
);
131 boolean
svga_translate_decl_sm30( struct svga_shader_emitter
*emit
,
132 const struct tgsi_full_declaration
*decl
);
135 static INLINE boolean
emit_dst( struct svga_shader_emitter
*emit
,
136 SVGA3dShaderDestToken dest
)
138 assert(dest
.reserved0
);
139 return svga_shader_emit_dword( emit
, dest
.value
);
142 static INLINE boolean
emit_src( struct svga_shader_emitter
*emit
,
143 const struct src_register src
)
145 if (src
.base
.relAddr
) {
146 assert(src
.base
.reserved0
);
147 assert(src
.indirect
.reserved0
);
148 return (svga_shader_emit_dword( emit
, src
.base
.value
) &&
149 svga_shader_emit_dword( emit
, src
.indirect
.value
));
152 assert(src
.base
.reserved0
);
153 return svga_shader_emit_dword( emit
, src
.base
.value
);
158 static INLINE boolean
emit_instruction( struct svga_shader_emitter
*emit
,
159 SVGA3dShaderInstToken opcode
)
161 return svga_shader_emit_opcode( emit
, opcode
.value
);
165 static INLINE boolean
emit_op1( struct svga_shader_emitter
*emit
,
166 SVGA3dShaderInstToken inst
,
167 SVGA3dShaderDestToken dest
,
168 struct src_register src0
)
170 return (emit_instruction( emit
, inst
) &&
171 emit_dst( emit
, dest
) &&
172 emit_src( emit
, src0
));
175 static INLINE boolean
emit_op2( struct svga_shader_emitter
*emit
,
176 SVGA3dShaderInstToken inst
,
177 SVGA3dShaderDestToken dest
,
178 struct src_register src0
,
179 struct src_register src1
)
181 return (emit_instruction( emit
, inst
) &&
182 emit_dst( emit
, dest
) &&
183 emit_src( emit
, src0
) &&
184 emit_src( emit
, src1
));
187 static INLINE boolean
emit_op3( struct svga_shader_emitter
*emit
,
188 SVGA3dShaderInstToken inst
,
189 SVGA3dShaderDestToken dest
,
190 struct src_register src0
,
191 struct src_register src1
,
192 struct src_register src2
)
194 return (emit_instruction( emit
, inst
) &&
195 emit_dst( emit
, dest
) &&
196 emit_src( emit
, src0
) &&
197 emit_src( emit
, src1
) &&
198 emit_src( emit
, src2
));
202 #define TRANSLATE_SWIZZLE(x,y,z,w) ((x) | ((y) << 2) | ((z) << 4) | ((w) << 6))
203 #define SWIZZLE_XYZW \
204 TRANSLATE_SWIZZLE(TGSI_SWIZZLE_X,TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Z,TGSI_SWIZZLE_W)
205 #define SWIZZLE_XXXX \
206 TRANSLATE_SWIZZLE(TGSI_SWIZZLE_X,TGSI_SWIZZLE_X,TGSI_SWIZZLE_X,TGSI_SWIZZLE_X)
207 #define SWIZZLE_YYYY \
208 TRANSLATE_SWIZZLE(TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Y)
209 #define SWIZZLE_ZZZZ \
210 TRANSLATE_SWIZZLE(TGSI_SWIZZLE_Z,TGSI_SWIZZLE_Z,TGSI_SWIZZLE_Z,TGSI_SWIZZLE_Z)
211 #define SWIZZLE_WWWW \
212 TRANSLATE_SWIZZLE(TGSI_SWIZZLE_W,TGSI_SWIZZLE_W,TGSI_SWIZZLE_W,TGSI_SWIZZLE_W)
216 static INLINE SVGA3dShaderInstToken
217 inst_token( unsigned opcode
)
219 SVGA3dShaderInstToken inst
;
227 static INLINE SVGA3dShaderDestToken
228 dst_register( unsigned file
,
231 SVGA3dShaderDestToken dest
;
235 dest
.type_upper
= file
>> 3;
241 dest
.type_lower
= file
& 0x7;
242 dest
.reserved0
= 1; /* is_reg */
247 static INLINE SVGA3dShaderDestToken
248 writemask( SVGA3dShaderDestToken dest
,
256 static INLINE SVGA3dShaderSrcToken
257 src_token( unsigned file
, int number
)
259 SVGA3dShaderSrcToken src
;
263 src
.type_upper
= file
>> 3;
266 src
.swizzle
= SWIZZLE_XYZW
;
268 src
.type_lower
= file
& 0x7;
269 src
.reserved0
= 1; /* is_reg */
275 static INLINE
struct src_register
276 absolute( struct src_register src
)
278 src
.base
.srcMod
= SVGA3DSRCMOD_ABS
;
284 static INLINE
struct src_register
285 negate( struct src_register src
)
287 switch (src
.base
.srcMod
) {
288 case SVGA3DSRCMOD_ABS
:
289 src
.base
.srcMod
= SVGA3DSRCMOD_ABSNEG
;
291 case SVGA3DSRCMOD_ABSNEG
:
292 src
.base
.srcMod
= SVGA3DSRCMOD_ABS
;
294 case SVGA3DSRCMOD_NEG
:
295 src
.base
.srcMod
= SVGA3DSRCMOD_NONE
;
297 case SVGA3DSRCMOD_NONE
:
298 src
.base
.srcMod
= SVGA3DSRCMOD_NEG
;
305 static INLINE
struct src_register
306 src_register( unsigned file
, int number
)
308 struct src_register src
;
310 src
.base
= src_token( file
, number
);
311 src
.indirect
.value
= 0;
316 static INLINE SVGA3dShaderDestToken
dst( struct src_register src
)
318 return dst_register( SVGA3dShaderGetRegType( src
.base
.value
),
322 static INLINE
struct src_register
src( SVGA3dShaderDestToken dst
)
324 return src_register( SVGA3dShaderGetRegType( dst
.value
),
328 static INLINE ubyte
svga_tgsi_sampler_type( struct svga_shader_emitter
*emit
,
331 switch (emit
->key
.fkey
.tex
[idx
].texture_target
) {
332 case PIPE_TEXTURE_1D
:
333 return SVGA3DSAMP_2D
;
334 case PIPE_TEXTURE_2D
:
335 return SVGA3DSAMP_2D
;
336 case PIPE_TEXTURE_3D
:
337 return SVGA3DSAMP_VOLUME
;
338 case PIPE_TEXTURE_CUBE
:
339 return SVGA3DSAMP_CUBE
;
342 return SVGA3DSAMP_UNKNOWN
;