summaryrefslogtreecommitdiffstats
path: root/src/gallium/auxiliary/draw/draw_llvm.h
blob: d153c166ead38333f07d8cfc785a269b00ddf988 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
/**************************************************************************
 *
 * Copyright 2010 VMware, Inc.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/

#ifndef DRAW_LLVM_H
#define DRAW_LLVM_H

#include "draw/draw_private.h"

#include "draw/draw_vs.h"
#include "draw/draw_gs.h"

#include "gallivm/lp_bld_sample.h"
#include "gallivm/lp_bld_limits.h"

#include "pipe/p_context.h"
#include "util/simple_list.h"


struct draw_llvm;
struct llvm_vertex_shader;
struct llvm_geometry_shader;

struct draw_jit_texture
{
   uint32_t width;
   uint32_t height;
   uint32_t depth;
   uint32_t first_level;
   uint32_t last_level;
   const void *base;
   uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
   uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
   uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
};


struct draw_sampler_static_state
{
   /*
    * These attributes are effectively interleaved for more sane key handling.
    * However, there might be lots of null space if the amount of samplers and
    * textures isn't the same.
    */
   struct lp_static_sampler_state sampler_state;
   struct lp_static_texture_state texture_state;
};


struct draw_jit_sampler
{
   float min_lod;
   float max_lod;
   float lod_bias;
   float border_color[4];
};


enum {
   DRAW_JIT_TEXTURE_WIDTH = 0,
   DRAW_JIT_TEXTURE_HEIGHT,
   DRAW_JIT_TEXTURE_DEPTH,
   DRAW_JIT_TEXTURE_FIRST_LEVEL,
   DRAW_JIT_TEXTURE_LAST_LEVEL,
   DRAW_JIT_TEXTURE_BASE,
   DRAW_JIT_TEXTURE_ROW_STRIDE,
   DRAW_JIT_TEXTURE_IMG_STRIDE,
   DRAW_JIT_TEXTURE_MIP_OFFSETS,
   DRAW_JIT_TEXTURE_NUM_FIELDS  /* number of fields above */
};


enum {
   DRAW_JIT_SAMPLER_MIN_LOD,
   DRAW_JIT_SAMPLER_MAX_LOD,
   DRAW_JIT_SAMPLER_LOD_BIAS,
   DRAW_JIT_SAMPLER_BORDER_COLOR,
   DRAW_JIT_SAMPLER_NUM_FIELDS  /* number of fields above */
};


enum {
   DRAW_JIT_VERTEX_VERTEX_ID = 0,
   DRAW_JIT_VERTEX_CLIP,
   DRAW_JIT_VERTEX_PRE_CLIP_POS,
   DRAW_JIT_VERTEX_DATA
};

/**
 * This structure is passed directly to the generated vertex shader.
 *
 * It contains the derived state.
 *
 * Changes here must be reflected in the draw_jit_context_* macros.
 * Changes to the ordering should be avoided.
 *
 * Only use types with a clear size and padding here, in particular prefer the
 * stdint.h types to the basic integer types.
 */
struct draw_jit_context
{
   const float *vs_constants[LP_MAX_TGSI_CONST_BUFFERS];
   int num_vs_constants[LP_MAX_TGSI_CONST_BUFFERS];
   float (*planes) [DRAW_TOTAL_CLIP_PLANES][4];
   struct pipe_viewport_state *viewports;

   struct draw_jit_texture textures[PIPE_MAX_SHADER_SAMPLER_VIEWS];
   struct draw_jit_sampler samplers[PIPE_MAX_SAMPLERS];
};

enum {
   DRAW_JIT_CTX_CONSTANTS            = 0,
   DRAW_JIT_CTX_NUM_CONSTANTS        = 1,
   DRAW_JIT_CTX_PLANES               = 2,
   DRAW_JIT_CTX_VIEWPORT             = 3,
   DRAW_JIT_CTX_TEXTURES             = 4,
   DRAW_JIT_CTX_SAMPLERS             = 5,
   DRAW_JIT_CTX_NUM_FIELDS
};

#define draw_jit_context_vs_constants(_gallivm, _ptr) \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_CTX_CONSTANTS, "vs_constants")

#define draw_jit_context_num_vs_constants(_gallivm, _ptr) \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_CTX_NUM_CONSTANTS, "num_vs_constants")

#define draw_jit_context_planes(_gallivm, _ptr) \
   lp_build_struct_get(_gallivm, _ptr, DRAW_JIT_CTX_PLANES, "planes")

#define draw_jit_context_viewports(_gallivm, _ptr) \
   lp_build_struct_get(_gallivm, _ptr, DRAW_JIT_CTX_VIEWPORT, "viewports")

#define draw_jit_context_textures(_gallivm, _ptr) \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_CTX_TEXTURES, "textures")

#define draw_jit_context_samplers(_gallivm, _ptr) \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_CTX_SAMPLERS, "samplers")

#define draw_jit_header_id(_gallivm, _ptr)              \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_VERTEX_VERTEX_ID, "id")

#define draw_jit_header_clip(_gallivm, _ptr) \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_VERTEX_CLIP, "clip")

#define draw_jit_header_pre_clip_pos(_gallivm, _ptr) \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_VERTEX_PRE_CLIP_POS, "pre_clip_pos")

#define draw_jit_header_data(_gallivm, _ptr)            \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_JIT_VERTEX_DATA, "data")


#define draw_jit_vbuffer_stride(_gallivm, _ptr)         \
   lp_build_struct_get(_gallivm, _ptr, 0, "stride")

#define draw_jit_vbuffer_offset(_gallivm, _ptr)         \
   lp_build_struct_get(_gallivm, _ptr, 1, "buffer_offset")

enum {
   DRAW_JIT_DVBUFFER_MAP = 0,
   DRAW_JIT_DVBUFFER_SIZE,
   DRAW_JIT_DVBUFFER_NUM_FIELDS  /* number of fields above */
};

#define draw_jit_dvbuffer_map(_gallivm, _ptr)         \
   lp_build_struct_get(_gallivm, _ptr, DRAW_JIT_DVBUFFER_MAP, "map")

#define draw_jit_dvbuffer_size(_gallivm, _ptr)        \
   lp_build_struct_get(_gallivm, _ptr, DRAW_JIT_DVBUFFER_SIZE, "size")


/**
 * This structure is passed directly to the generated geometry shader.
 *
 * It contains the derived state.
 *
 * Changes here must be reflected in the draw_gs_jit_context_* macros.
 * Changes to the ordering should be avoided.
 *
 * Only use types with a clear size and padding here, in particular prefer the
 * stdint.h types to the basic integer types.
 */
struct draw_gs_jit_context
{
   const float *constants[LP_MAX_TGSI_CONST_BUFFERS];
   int num_constants[LP_MAX_TGSI_CONST_BUFFERS];
   float (*planes) [DRAW_TOTAL_CLIP_PLANES][4];
   struct pipe_viewport_state *viewports;

   /* There two need to be exactly at DRAW_JIT_CTX_TEXTURES and
    * DRAW_JIT_CTX_SAMPLERS positions in the struct */
   struct draw_jit_texture textures[PIPE_MAX_SHADER_SAMPLER_VIEWS];
   struct draw_jit_sampler samplers[PIPE_MAX_SAMPLERS];
   
   int **prim_lengths;
   int *emitted_vertices;
   int *emitted_prims;
};

enum {
   DRAW_GS_JIT_CTX_CONSTANTS = 0,
   DRAW_GS_JIT_CTX_NUM_CONSTANTS = 1,
   DRAW_GS_JIT_CTX_PLANES = 2,
   DRAW_GS_JIT_CTX_VIEWPORT = 3,
   /* Textures and samples are reserved for DRAW_JIT_CTX_TEXTURES
    * and DRAW_JIT_CTX_SAMPLERS, because they both need
    * to be at exactly the same locations as they are in the
    * VS ctx structure for sampling to work. */
   DRAW_GS_JIT_CTX_TEXTURES = DRAW_JIT_CTX_TEXTURES,
   DRAW_GS_JIT_CTX_SAMPLERS = DRAW_JIT_CTX_SAMPLERS,
   DRAW_GS_JIT_CTX_PRIM_LENGTHS = 6,
   DRAW_GS_JIT_CTX_EMITTED_VERTICES = 7,
   DRAW_GS_JIT_CTX_EMITTED_PRIMS = 8,
   DRAW_GS_JIT_CTX_NUM_FIELDS = 9
};

#define draw_gs_jit_context_constants(_gallivm, _ptr) \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_GS_JIT_CTX_CONSTANTS, "constants")

#define draw_gs_jit_context_num_constants(_gallivm, _ptr) \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_GS_JIT_CTX_NUM_CONSTANTS, "num_constants")

#define draw_gs_jit_context_planes(_gallivm, _ptr) \
   lp_build_struct_get(_gallivm, _ptr, DRAW_GS_JIT_CTX_PLANES, "planes")

#define draw_gs_jit_context_viewports(_gallivm, _ptr) \
   lp_build_struct_get(_gallivm, _ptr, DRAW_GS_JIT_CTX_VIEWPORT, "viewports")

#define draw_gs_jit_context_textures(_gallivm, _ptr) \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_GS_JIT_CTX_TEXTURES, "textures")

#define draw_gs_jit_context_samplers(_gallivm, _ptr) \
   lp_build_struct_get_ptr(_gallivm, _ptr, DRAW_GS_JIT_CTX_SAMPLERS, "samplers")

#define draw_gs_jit_prim_lengths(_gallivm, _ptr) \
   lp_build_struct_get(_gallivm, _ptr, DRAW_GS_JIT_CTX_PRIM_LENGTHS, "prim_lengths")

#define draw_gs_jit_emitted_vertices(_gallivm, _ptr) \
   lp_build_struct_get(_gallivm, _ptr, DRAW_GS_JIT_CTX_EMITTED_VERTICES, "emitted_vertices")

#define draw_gs_jit_emitted_prims(_gallivm, _ptr) \
   lp_build_struct_get(_gallivm, _ptr, DRAW_GS_JIT_CTX_EMITTED_PRIMS, "emitted_prims")



typedef int
(*draw_jit_vert_func)(struct draw_jit_context *context,
                      struct vertex_header *io,
                      const struct draw_vertex_buffer vbuffers[PIPE_MAX_ATTRIBS],
                      unsigned start,
                      unsigned count,
                      unsigned stride,
                      struct pipe_vertex_buffer *vertex_buffers,
                      unsigned instance_id,
                      unsigned vertex_id_offset,
                      unsigned start_instance);


typedef int
(*draw_jit_vert_func_elts)(struct draw_jit_context *context,
                           struct vertex_header *io,
                           const struct draw_vertex_buffer vbuffers[PIPE_MAX_ATTRIBS],
                           const unsigned *fetch_elts,
                           unsigned fetch_max_elt,
                           unsigned fetch_count,
                           unsigned stride,
                           struct pipe_vertex_buffer *vertex_buffers,
                           unsigned instance_id,
                           unsigned vertex_id_offset,
                           unsigned start_instance);


typedef int
(*draw_gs_jit_func)(struct draw_gs_jit_context *context,
                    float inputs[6][PIPE_MAX_SHADER_INPUTS][TGSI_NUM_CHANNELS][TGSI_NUM_CHANNELS],
                    struct vertex_header *output,
                    unsigned num_prims,
                    unsigned instance_id,
                    int *prim_ids,
                    unsigned invocation_id);

struct draw_llvm_variant_key
{
   unsigned nr_vertex_elements:8;
   unsigned nr_samplers:8;
   unsigned nr_sampler_views:8;
   unsigned clamp_vertex_color:1;
   unsigned clip_xy:1;
   unsigned clip_z:1;
   unsigned clip_user:1;
   unsigned clip_halfz:1;
   unsigned bypass_viewport:1;
   unsigned need_edgeflags:1;
   unsigned has_gs:1;
   unsigned num_outputs:8;
   /*
    * it is important there are no holes in this struct
    * (and all padding gets zeroed).
    */
   unsigned ucp_enable:PIPE_MAX_CLIP_PLANES;
   unsigned pad1:24-PIPE_MAX_CLIP_PLANES;

   /* Variable number of vertex elements:
    */
   struct pipe_vertex_element vertex_element[1];

   /* Followed by variable number of samplers:
    */
/*   struct draw_sampler_static_state sampler; */
};

struct draw_gs_llvm_variant_key
{
   unsigned nr_samplers:8;
   unsigned nr_sampler_views:8;
   unsigned num_outputs:8;

   struct draw_sampler_static_state samplers[1];
};

#define DRAW_LLVM_MAX_VARIANT_KEY_SIZE \
   (sizeof(struct draw_llvm_variant_key) +	\
    PIPE_MAX_SHADER_SAMPLER_VIEWS * sizeof(struct draw_sampler_static_state) +	\
    (PIPE_MAX_ATTRIBS-1) * sizeof(struct pipe_vertex_element))

#define DRAW_GS_LLVM_MAX_VARIANT_KEY_SIZE \
   (sizeof(struct draw_gs_llvm_variant_key) +	\
    PIPE_MAX_SHADER_SAMPLER_VIEWS * sizeof(struct draw_sampler_static_state))


static inline size_t
draw_llvm_variant_key_size(unsigned nr_vertex_elements,
                           unsigned nr_samplers)
{
   return (sizeof(struct draw_llvm_variant_key) +
           nr_samplers * sizeof(struct draw_sampler_static_state) +
           (nr_vertex_elements - 1) * sizeof(struct pipe_vertex_element));
}


static inline size_t
draw_gs_llvm_variant_key_size(unsigned nr_samplers)
{
   return (sizeof(struct draw_gs_llvm_variant_key) +
           (nr_samplers - 1) * sizeof(struct draw_sampler_static_state));
}


static inline struct draw_sampler_static_state *
draw_llvm_variant_key_samplers(struct draw_llvm_variant_key *key)
{
   return (struct draw_sampler_static_state *)
      &key->vertex_element[key->nr_vertex_elements];
}


struct draw_llvm_variant_list_item
{
   struct draw_llvm_variant *base;
   struct draw_llvm_variant_list_item *next, *prev;
};

struct draw_gs_llvm_variant_list_item
{
   struct draw_gs_llvm_variant *base;
   struct draw_gs_llvm_variant_list_item *next, *prev;
};


struct draw_llvm_variant
{
   struct gallivm_state *gallivm;

   /* LLVM JIT builder types */
   LLVMTypeRef context_ptr_type;
   LLVMTypeRef buffer_ptr_type;
   LLVMTypeRef vb_ptr_type;
   LLVMTypeRef vertex_header_ptr_type;

   LLVMValueRef function;
   LLVMValueRef function_elts;
   draw_jit_vert_func jit_func;
   draw_jit_vert_func_elts jit_func_elts;

   struct llvm_vertex_shader *shader;

   struct draw_llvm *llvm;
   struct draw_llvm_variant_list_item list_item_global;
   struct draw_llvm_variant_list_item list_item_local;

   /* key is variable-sized, must be last */
   struct draw_llvm_variant_key key;
};


struct draw_gs_llvm_variant
{
   struct gallivm_state *gallivm;

   /* LLVM JIT builder types */
   LLVMTypeRef context_ptr_type;
   LLVMTypeRef vertex_header_ptr_type;
   LLVMTypeRef input_array_type;

   LLVMValueRef context_ptr;
   LLVMValueRef io_ptr;
   LLVMValueRef num_prims;
   LLVMValueRef function;
   draw_gs_jit_func jit_func;

   struct llvm_geometry_shader *shader;

   struct draw_llvm *llvm;
   struct draw_gs_llvm_variant_list_item list_item_global;
   struct draw_gs_llvm_variant_list_item list_item_local;

   /* key is variable-sized, must be last */
   struct draw_gs_llvm_variant_key key;
};

struct llvm_vertex_shader {
   struct draw_vertex_shader base;

   unsigned variant_key_size;
   struct draw_llvm_variant_list_item variants;
   unsigned variants_created;
   unsigned variants_cached;
};

struct llvm_geometry_shader {
   struct draw_geometry_shader base;

   unsigned variant_key_size;
   struct draw_gs_llvm_variant_list_item variants;
   unsigned variants_created;
   unsigned variants_cached;
};


struct draw_llvm {
   struct draw_context *draw;

   LLVMContextRef context;
   boolean context_owned;

   struct draw_jit_context jit_context;
   struct draw_gs_jit_context gs_jit_context;

   struct draw_llvm_variant_list_item vs_variants_list;
   int nr_variants;

   struct draw_gs_llvm_variant_list_item gs_variants_list;
   int nr_gs_variants;
};


static inline struct llvm_vertex_shader *
llvm_vertex_shader(struct draw_vertex_shader *vs)
{
   return (struct llvm_vertex_shader *)vs;
}

static inline struct llvm_geometry_shader *
llvm_geometry_shader(struct draw_geometry_shader *gs)
{
   return (struct llvm_geometry_shader *)gs;
}




struct draw_llvm *
draw_llvm_create(struct draw_context *draw, LLVMContextRef llvm_context);

void
draw_llvm_destroy(struct draw_llvm *llvm);

struct draw_llvm_variant *
draw_llvm_create_variant(struct draw_llvm *llvm,
                         unsigned num_vertex_header_attribs,
                         const struct draw_llvm_variant_key *key);

void
draw_llvm_destroy_variant(struct draw_llvm_variant *variant);

struct draw_llvm_variant_key *
draw_llvm_make_variant_key(struct draw_llvm *llvm, char *store);

void
draw_llvm_dump_variant_key(struct draw_llvm_variant_key *key);


struct draw_gs_llvm_variant *
draw_gs_llvm_create_variant(struct draw_llvm *llvm,
                            unsigned num_vertex_header_attribs,
                            const struct draw_gs_llvm_variant_key *key);

void
draw_gs_llvm_destroy_variant(struct draw_gs_llvm_variant *variant);

struct draw_gs_llvm_variant_key *
draw_gs_llvm_make_variant_key(struct draw_llvm *llvm, char *store);

void
draw_gs_llvm_dump_variant_key(struct draw_gs_llvm_variant_key *key);

struct lp_build_sampler_soa *
draw_llvm_sampler_soa_create(const struct draw_sampler_static_state *static_state);

void
draw_llvm_set_sampler_state(struct draw_context *draw, unsigned shader_stage);

void
draw_llvm_set_mapped_texture(struct draw_context *draw,
                             unsigned shader_stage,
                             unsigned sview_idx,
                             uint32_t width, uint32_t height, uint32_t depth,
                             uint32_t first_level, uint32_t last_level,
                             const void *base_ptr,
                             uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS],
                             uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS],
                             uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS]);

#endif