1 /**************************************************************************
3 * Copyright 2003 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Keith Whitwell <keithw@vmware.com>
37 #include "main/mtypes.h"
38 #include "main/atifragshader.h"
39 #include "program/program.h"
40 #include "pipe/p_state.h"
41 #include "tgsi/tgsi_from_mesa.h"
42 #include "st_context.h"
43 #include "st_texture.h"
44 #include "st_glsl_to_tgsi.h"
50 #define ST_DOUBLE_ATTRIB_PLACEHOLDER 0xff
52 struct st_external_sampler_key
54 GLuint lower_nv12
; /**< bitmask of 2 plane YUV samplers */
55 GLuint lower_iyuv
; /**< bitmask of 3 plane YUV samplers */
58 static inline struct st_external_sampler_key
59 st_get_external_sampler_key(struct st_context
*st
, struct gl_program
*prog
)
61 unsigned mask
= prog
->ExternalSamplersUsed
;
62 struct st_external_sampler_key key
;
64 memset(&key
, 0, sizeof(key
));
66 while (unlikely(mask
)) {
67 unsigned unit
= u_bit_scan(&mask
);
68 struct st_texture_object
*stObj
=
69 st_get_texture_object(st
->ctx
, prog
, unit
);
71 switch (st_get_view_format(stObj
)) {
72 case PIPE_FORMAT_NV12
:
73 key
.lower_nv12
|= (1 << unit
);
75 case PIPE_FORMAT_IYUV
:
76 key
.lower_iyuv
|= (1 << unit
);
86 /** Fragment program variant key */
87 struct st_fp_variant_key
89 struct st_context
*st
; /**< variants are per-context */
92 GLuint bitmap
:1; /**< glBitmap variant? */
94 /** for glDrawPixels */
95 GLuint drawpixels
:1; /**< glDrawPixels variant */
96 GLuint scaleAndBias
:1; /**< glDrawPixels w/ scale and/or bias? */
97 GLuint pixelMaps
:1; /**< glDrawPixels w/ pixel lookup map? */
99 /** for ARB_color_buffer_float */
100 GLuint clamp_color
:1;
102 /** for ARB_sample_shading */
103 GLuint persample_shading
:1;
105 /** needed for ATI_fragment_shader */
108 /** needed for ATI_fragment_shader */
109 char texture_targets
[MAX_NUM_FRAGMENT_REGISTERS_ATI
];
111 struct st_external_sampler_key external
;
116 * Variant of a fragment program.
120 /** Parameters which generated this version of fragment program */
121 struct st_fp_variant_key key
;
123 /** Driver's compiled shader */
126 /** For glBitmap variants */
129 /** For glDrawPixels variants */
130 unsigned drawpix_sampler
;
131 unsigned pixelmap_sampler
;
133 /** next in linked list */
134 struct st_fp_variant
*next
;
139 * Derived from Mesa gl_program:
141 struct st_fragment_program
143 struct gl_program Base
;
144 struct pipe_shader_state tgsi
;
145 struct glsl_to_tgsi_visitor
* glsl_to_tgsi
;
146 struct ati_fragment_shader
*ati_fs
;
147 uint64_t affected_states
; /**< ST_NEW_* flags to mark dirty when binding */
149 /* used when bypassing glsl_to_tgsi: */
150 struct gl_shader_program
*shader_program
;
152 struct st_fp_variant
*variants
;
157 /** Vertex program variant key */
158 struct st_vp_variant_key
160 struct st_context
*st
; /**< variants are per-context */
161 boolean passthrough_edgeflags
;
163 /** for ARB_color_buffer_float */
169 * This represents a vertex program, especially translated to match
170 * the inputs of a particular fragment shader.
174 /* Parameters which generated this translated version of a vertex
177 struct st_vp_variant_key key
;
180 * TGSI tokens (to later generate a 'draw' module shader for
181 * selection/feedback/rasterpos)
183 struct pipe_shader_state tgsi
;
185 /** Driver's compiled shader */
188 /** For using our private draw module (glRasterPos) */
189 struct draw_vertex_shader
*draw_shader
;
191 /** Next in linked list */
192 struct st_vp_variant
*next
;
194 /** similar to that in st_vertex_program, but with edgeflags info too */
200 * Derived from Mesa gl_program:
202 struct st_vertex_program
204 struct gl_program Base
; /**< The Mesa vertex program */
205 struct pipe_shader_state tgsi
;
206 struct glsl_to_tgsi_visitor
* glsl_to_tgsi
;
207 uint64_t affected_states
; /**< ST_NEW_* flags to mark dirty when binding */
209 /* used when bypassing glsl_to_tgsi: */
210 struct gl_shader_program
*shader_program
;
212 /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */
213 ubyte index_to_input
[PIPE_MAX_ATTRIBS
];
216 /** Maps VARYING_SLOT_x to slot */
217 ubyte result_to_output
[VARYING_SLOT_MAX
];
219 /** List of translated variants of this vertex program.
221 struct st_vp_variant
*variants
;
223 /** SHA1 hash of linked tgsi shader program, used for on-disk cache */
224 unsigned char sha1
[20];
229 /** Key shared by all shaders except VP, FP */
230 struct st_basic_variant_key
232 struct st_context
*st
; /**< variants are per-context */
237 * Geometry program variant.
239 struct st_basic_variant
241 /* Parameters which generated this variant. */
242 struct st_basic_variant_key key
;
246 struct st_basic_variant
*next
;
251 * Derived from Mesa gl_program:
253 struct st_common_program
255 struct gl_program Base
;
256 struct pipe_shader_state tgsi
;
257 struct glsl_to_tgsi_visitor
* glsl_to_tgsi
;
258 uint64_t affected_states
; /**< ST_NEW_* flags to mark dirty when binding */
260 /* used when bypassing glsl_to_tgsi: */
261 struct gl_shader_program
*shader_program
;
263 struct st_basic_variant
*variants
;
265 /** SHA1 hash of linked tgsi shader program, used for on-disk cache */
266 unsigned char sha1
[20];
271 * Derived from Mesa gl_program:
273 struct st_compute_program
275 struct gl_program Base
; /**< The Mesa compute program */
276 struct pipe_compute_state tgsi
;
277 struct glsl_to_tgsi_visitor
* glsl_to_tgsi
;
278 uint64_t affected_states
; /**< ST_NEW_* flags to mark dirty when binding */
280 /* used when bypassing glsl_to_tgsi: */
281 struct gl_shader_program
*shader_program
;
283 struct st_basic_variant
*variants
;
285 /** SHA1 hash of linked tgsi shader program, used for on-disk cache */
286 unsigned char sha1
[20];
290 static inline struct st_fragment_program
*
291 st_fragment_program( struct gl_program
*fp
)
293 return (struct st_fragment_program
*)fp
;
297 static inline struct st_vertex_program
*
298 st_vertex_program( struct gl_program
*vp
)
300 return (struct st_vertex_program
*)vp
;
303 static inline struct st_common_program
*
304 st_common_program( struct gl_program
*gp
)
306 return (struct st_common_program
*)gp
;
309 static inline struct st_compute_program
*
310 st_compute_program( struct gl_program
*cp
)
312 return (struct st_compute_program
*)cp
;
316 st_reference_vertprog(struct st_context
*st
,
317 struct st_vertex_program
**ptr
,
318 struct st_vertex_program
*prog
)
320 _mesa_reference_program(st
->ctx
,
321 (struct gl_program
**) ptr
,
322 (struct gl_program
*) prog
);
326 st_reference_fragprog(struct st_context
*st
,
327 struct st_fragment_program
**ptr
,
328 struct st_fragment_program
*prog
)
330 _mesa_reference_program(st
->ctx
,
331 (struct gl_program
**) ptr
,
332 (struct gl_program
*) prog
);
336 st_reference_prog(struct st_context
*st
,
337 struct st_common_program
**ptr
,
338 struct st_common_program
*prog
)
340 _mesa_reference_program(st
->ctx
,
341 (struct gl_program
**) ptr
,
342 (struct gl_program
*) prog
);
346 st_reference_compprog(struct st_context
*st
,
347 struct st_compute_program
**ptr
,
348 struct st_compute_program
*prog
)
350 _mesa_reference_program(st
->ctx
,
351 (struct gl_program
**) ptr
,
352 (struct gl_program
*) prog
);
356 * This defines mapping from Mesa VARYING_SLOTs to TGSI GENERIC slots.
358 static inline unsigned
359 st_get_generic_varying_index(struct st_context
*st
, GLuint attr
)
361 return tgsi_get_generic_gl_varying_index((gl_varying_slot
)attr
,
362 st
->needs_texcoord_semantic
);
366 st_set_prog_affected_state_flags(struct gl_program
*prog
);
368 extern struct st_vp_variant
*
369 st_get_vp_variant(struct st_context
*st
,
370 struct st_vertex_program
*stvp
,
371 const struct st_vp_variant_key
*key
);
374 extern struct st_fp_variant
*
375 st_get_fp_variant(struct st_context
*st
,
376 struct st_fragment_program
*stfp
,
377 const struct st_fp_variant_key
*key
);
379 extern struct st_basic_variant
*
380 st_get_cp_variant(struct st_context
*st
,
381 struct pipe_compute_state
*tgsi
,
382 struct st_basic_variant
**variants
);
384 extern struct st_basic_variant
*
385 st_get_basic_variant(struct st_context
*st
,
386 unsigned pipe_shader
,
387 struct st_common_program
*p
);
390 st_release_vp_variants( struct st_context
*st
,
391 struct st_vertex_program
*stvp
);
394 st_release_fp_variants( struct st_context
*st
,
395 struct st_fragment_program
*stfp
);
398 st_release_cp_variants(struct st_context
*st
,
399 struct st_compute_program
*stcp
);
402 st_release_basic_variants(struct st_context
*st
, GLenum target
,
403 struct st_basic_variant
**variants
,
404 struct pipe_shader_state
*tgsi
);
407 st_destroy_program_variants(struct st_context
*st
);
410 st_translate_vertex_program(struct st_context
*st
,
411 struct st_vertex_program
*stvp
);
414 st_translate_fragment_program(struct st_context
*st
,
415 struct st_fragment_program
*stfp
);
418 st_translate_geometry_program(struct st_context
*st
,
419 struct st_common_program
*stgp
);
422 st_translate_tessctrl_program(struct st_context
*st
,
423 struct st_common_program
*sttcp
);
426 st_translate_tesseval_program(struct st_context
*st
,
427 struct st_common_program
*sttep
);
430 st_translate_compute_program(struct st_context
*st
,
431 struct st_compute_program
*stcp
);
434 st_print_current_vertex_program(void);
437 st_precompile_shader_variant(struct st_context
*st
,
438 struct gl_program
*prog
);