/
mojoshader_vulkan.c
831 lines (698 loc) · 24.9 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
/**
* MojoShader; generate shader programs from bytecode of compiled
* Direct3D shaders.
*
* Please see the file LICENSE.txt in the source's root directory.
*
* This file written by Ryan C. Gordon.
*/
#define __MOJOSHADER_INTERNAL__ 1
#include "mojoshader_internal.h"
#if SUPPORT_PROFILE_SPIRV
15
#include "vulkan/vulkan.h"
16
17
18
19
20
21
22
#define VULKAN_INSTANCE_FUNCTION(ret, func, params) \
typedef ret (VKAPI_CALL *vkfntype_MOJOSHADER_##func) params;
#define VULKAN_DEVICE_FUNCTION(ret, func, params) \
typedef ret (VKAPI_CALL *vkfntype_MOJOSHADER_##func) params;
#include "mojoshader_vulkan_vkfuncs.h"
23
#define UBO_BUFFER_SIZE 8000000 // 8MB
24
#define UBO_ACTUAL_SIZE (UBO_BUFFER_SIZE * 2) // Double so we can "rotate" the buffer and unblock main thread
25
26
27
28
29
30
// Internal struct defs...
typedef struct MOJOSHADER_vkShader
{
const MOJOSHADER_parseData *parseData;
31
uint16_t tag;
32
33
34
uint32_t refcount;
} MOJOSHADER_vkShader;
35
36
37
38
39
40
41
42
typedef struct MOJOSHADER_vkProgram
{
VkShaderModule vertexModule;
VkShaderModule pixelModule;
MOJOSHADER_vkShader *vertexShader;
MOJOSHADER_vkShader *pixelShader;
} MOJOSHADER_vkProgram;
43
44
45
typedef struct MOJOSHADER_vkUniformBuffer
{
VkBuffer buffer;
46
VkDeviceMemory deviceMemory;
47
48
49
VkDeviceSize bufferSize;
VkDeviceSize dynamicOffset;
VkDeviceSize currentBlockSize;
50
VkDeviceSize currentBlockIncrement;
51
uint8_t *mapPointer;
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
} MOJOSHADER_vkUniformBuffer;
// Error state...
static char error_buffer[1024] = { '\0' };
static void set_error(const char *str)
{
snprintf(error_buffer, sizeof (error_buffer), "%s", str);
} // set_error
static inline void out_of_memory(void)
{
set_error("out of memory");
} // out_of_memory
67
// Max entries for each register file type
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
#define MAX_REG_FILE_F 8192
#define MAX_REG_FILE_I 2047
#define MAX_REG_FILE_B 2047
typedef struct MOJOSHADER_vkContext
{
VkInstance *instance;
VkPhysicalDevice *physical_device;
VkDevice *logical_device;
PFN_vkGetInstanceProcAddr instance_proc_lookup;
PFN_vkGetDeviceProcAddr device_proc_lookup;
uint32_t graphics_queue_family_index;
uint32_t maxUniformBufferRange;
uint32_t minUniformBufferOffsetAlignment;
83
uint32_t frameIndex;
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
MOJOSHADER_malloc malloc_fn;
MOJOSHADER_free free_fn;
void *malloc_data;
// The constant register files...
// !!! FIXME: Man, it kills me how much memory this takes...
// !!! FIXME: ... make this dynamically allocated on demand.
float vs_reg_file_f[MAX_REG_FILE_F * 4];
int32_t vs_reg_file_i[MAX_REG_FILE_I * 4];
uint8_t vs_reg_file_b[MAX_REG_FILE_B * 4];
float ps_reg_file_f[MAX_REG_FILE_F * 4];
int32_t ps_reg_file_i[MAX_REG_FILE_I * 4];
uint8_t ps_reg_file_b[MAX_REG_FILE_B * 4];
99
100
MOJOSHADER_vkUniformBuffer *vertUboBuffer;
MOJOSHADER_vkUniformBuffer *fragUboBuffer;
101
102
103
MOJOSHADER_vkProgram *bound_program;
HashTable *linker_cache;
104
105
106
107
108
109
// Note that these may not necessarily align with bound_program!
// We need to store these so effects can have overlapping shaders.
MOJOSHADER_vkShader *bound_vshader;
MOJOSHADER_vkShader *bound_pshader;
110
111
112
113
114
115
116
117
#define VULKAN_INSTANCE_FUNCTION(ret, func, params) \
vkfntype_MOJOSHADER_##func func;
#define VULKAN_DEVICE_FUNCTION(ret, func, params) \
vkfntype_MOJOSHADER_##func func;
#include "mojoshader_vulkan_vkfuncs.h"
} MOJOSHADER_vkContext;
static MOJOSHADER_vkContext *ctx = NULL;
118
static uint16_t tagCounter = 1;
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
static uint8_t find_memory_type(
MOJOSHADER_vkContext *ctx,
uint32_t typeFilter,
VkMemoryPropertyFlags properties,
uint32_t *result
) {
uint32_t i;
VkPhysicalDeviceMemoryProperties memoryProperties;
ctx->vkGetPhysicalDeviceMemoryProperties(*ctx->physical_device, &memoryProperties);
for (i = 0; i < memoryProperties.memoryTypeCount; i++)
{
if ((typeFilter & (1 << i))
&& (memoryProperties.memoryTypes[i].propertyFlags & properties) == properties)
{
*result = i;
return 1;
} // if
} // for
return 0;
} // find_memory_type
static uint32_t next_highest_offset_alignment(uint32_t offset)
{
return (
(offset + ctx->minUniformBufferOffsetAlignment - 1) /
ctx->minUniformBufferOffsetAlignment *
ctx->minUniformBufferOffsetAlignment
);
} // next_highest_offset_alignment
152
153
154
static MOJOSHADER_vkUniformBuffer *create_ubo(MOJOSHADER_vkContext *ctx)
{
MOJOSHADER_vkUniformBuffer *result = (MOJOSHADER_vkUniformBuffer *) ctx->malloc_fn(
155
sizeof(MOJOSHADER_vkUniformBuffer),
156
ctx->malloc_data
157
158
159
160
161
);
VkBufferCreateInfo bufferCreateInfo =
{
VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO
};
162
163
164
165
166
VkMemoryRequirements memoryRequirements;
VkMemoryAllocateInfo allocateInfo =
{
VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO
};
167
168
bufferCreateInfo.flags = 0;
169
bufferCreateInfo.size = UBO_ACTUAL_SIZE;
170
171
172
173
174
175
176
177
178
179
180
181
bufferCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
bufferCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
bufferCreateInfo.queueFamilyIndexCount = 1;
bufferCreateInfo.pQueueFamilyIndices = &ctx->graphics_queue_family_index;
ctx->vkCreateBuffer(
*ctx->logical_device,
&bufferCreateInfo,
NULL,
&result->buffer
);
182
183
184
185
186
187
ctx->vkGetBufferMemoryRequirements(
*ctx->logical_device,
result->buffer,
&memoryRequirements
);
188
allocateInfo.allocationSize = UBO_ACTUAL_SIZE;
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
if (!find_memory_type(ctx,
memoryRequirements.memoryTypeBits,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
&allocateInfo.memoryTypeIndex))
{
set_error("failed to find suitable memory type for UBO memory");
return NULL;
} // if
ctx->vkAllocateMemory(*ctx->logical_device,
&allocateInfo,
NULL,
&result->deviceMemory
);
ctx->vkBindBufferMemory(*ctx->logical_device,
result->buffer,
result->deviceMemory,
0
);
ctx->vkMapMemory(*ctx->logical_device,
result->deviceMemory,
0,
214
UBO_ACTUAL_SIZE,
215
216
217
218
0,
(void**) &result->mapPointer
);
219
result->bufferSize = UBO_ACTUAL_SIZE;
220
result->currentBlockSize = 0;
221
result->currentBlockIncrement = 0;
222
223
224
225
226
227
228
229
230
result->dynamicOffset = 0;
return result;
} // create_ubo
static uint32_t uniform_data_size(MOJOSHADER_vkShader *shader)
{
int32_t i;
int32_t buflen = 0;
231
const int32_t uniformSize = 16; // Yes, even the bool registers
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
for (i = 0; i < shader->parseData->uniform_count; i++)
{
const int32_t arrayCount = shader->parseData->uniforms[i].array_count;
buflen += (arrayCount ? arrayCount : 1) * uniformSize;
} // for
return buflen;
} // uniform_data_size
static VkBuffer get_uniform_buffer(MOJOSHADER_vkShader *shader)
{
if (shader == NULL || shader->parseData->uniform_count == 0)
return VK_NULL_HANDLE;
if (shader->parseData->shader_type == MOJOSHADER_TYPE_VERTEX)
247
return ctx->vertUboBuffer->buffer;
248
else
249
return ctx->fragUboBuffer->buffer;
250
251
252
253
254
255
256
257
} // get_uniform_buffer
static VkDeviceSize get_uniform_offset(MOJOSHADER_vkShader *shader)
{
if (shader == NULL || shader->parseData->uniform_count == 0)
return 0;
if (shader->parseData->shader_type == MOJOSHADER_TYPE_VERTEX)
258
return ctx->vertUboBuffer->dynamicOffset;
259
else
260
return ctx->fragUboBuffer->dynamicOffset;
261
262
263
264
265
266
267
268
} // get_uniform_offset
static VkDeviceSize get_uniform_size(MOJOSHADER_vkShader *shader)
{
if (shader == NULL || shader->parseData->uniform_count == 0)
return 0;
if (shader->parseData->shader_type == MOJOSHADER_TYPE_VERTEX)
269
return ctx->vertUboBuffer->currentBlockSize;
270
else
271
return ctx->fragUboBuffer->currentBlockSize;
272
273
274
275
} // get_uniform_size
static void update_uniform_buffer(MOJOSHADER_vkShader *shader)
{
276
int32_t i, j;
277
278
int32_t offset;
uint8_t *contents;
279
uint32_t *contentsI;
280
281
282
283
284
285
286
287
288
289
290
291
float *regF; int *regI; uint8_t *regB;
MOJOSHADER_vkUniformBuffer *ubo;
if (shader == NULL || shader->parseData->uniform_count == 0)
return;
if (shader->parseData->shader_type == MOJOSHADER_TYPE_VERTEX)
{
regF = ctx->vs_reg_file_f;
regI = ctx->vs_reg_file_i;
regB = ctx->vs_reg_file_b;
292
ubo = ctx->vertUboBuffer;
293
294
295
296
297
298
299
} // if
else
{
regF = ctx->ps_reg_file_f;
regI = ctx->ps_reg_file_i;
regB = ctx->ps_reg_file_b;
300
ubo = ctx->fragUboBuffer;
301
302
} // else
303
ubo->dynamicOffset += ubo->currentBlockIncrement;
304
305
ubo->currentBlockSize = next_highest_offset_alignment(uniform_data_size(shader));
306
ubo->currentBlockIncrement = ubo->currentBlockSize;
307
308
if (ubo->dynamicOffset + ubo->currentBlockSize >= ubo->bufferSize * ctx->frameIndex)
309
{
310
set_error("UBO overflow!!");
311
312
} // if
313
contents = ubo->mapPointer + ubo->dynamicOffset;
314
315
316
317
318
319
320
321
322
323
324
325
offset = 0;
for (i = 0; i < shader->parseData->uniform_count; i++)
{
const int32_t index = shader->parseData->uniforms[i].index;
const int32_t arrayCount = shader->parseData->uniforms[i].array_count;
const int32_t size = arrayCount ? arrayCount : 1;
switch (shader->parseData->uniforms[i].type)
{
case MOJOSHADER_UNIFORM_FLOAT:
memcpy(
326
contents + offset,
327
328
329
330
331
332
333
®F[4 * index],
size * 16
);
break;
case MOJOSHADER_UNIFORM_INT:
memcpy(
334
contents + offset,
335
336
337
338
339
340
®I[4 * index],
size * 16
);
break;
case MOJOSHADER_UNIFORM_BOOL:
341
342
343
contentsI = (uint32_t *) (contents + offset);
for (j = 0; j < size; j++)
contentsI[j * 4] = regB[index + j];
344
345
346
347
348
349
350
351
352
353
break;
default:
set_error(
"SOMETHING VERY WRONG HAPPENED WHEN UPDATING UNIFORMS"
);
assert(0);
break;
} // switch
354
offset += size * 16;
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
} // for
} // update_uniform_buffer
static void lookup_entry_points(MOJOSHADER_vkContext *ctx)
{
#define VULKAN_INSTANCE_FUNCTION(ret, func, params) \
ctx->func = (vkfntype_MOJOSHADER_##func) ctx->instance_proc_lookup(*ctx->instance, #func);
#define VULKAN_DEVICE_FUNCTION(ret, func, params) \
ctx->func = (vkfntype_MOJOSHADER_##func) ctx->device_proc_lookup(*ctx->logical_device, #func);
#include "mojoshader_vulkan_vkfuncs.h"
} // lookup_entry_points
static int shader_bytecode_len(MOJOSHADER_vkShader *shader)
{
return shader->parseData->output_len - sizeof(SpirvPatchTable);
} // shader_bytecode_len
373
374
375
376
377
378
379
380
381
382
383
384
385
386
static VkShaderModule compile_shader(MOJOSHADER_vkShader *shader)
{
VkResult result;
VkShaderModule module;
VkShaderModuleCreateInfo shaderModuleCreateInfo =
{
VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO
};
shaderModuleCreateInfo.flags = 0;
shaderModuleCreateInfo.codeSize = shader_bytecode_len(shader);
shaderModuleCreateInfo.pCode = (uint32_t*) shader->parseData->output;
result = ctx->vkCreateShaderModule(
387
*ctx->logical_device,
388
389
390
&shaderModuleCreateInfo,
NULL,
&module
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
if (result != VK_SUCCESS)
{
// FIXME: should display VK error code
set_error("Error when creating VkShaderModule");
ctx->vkDestroyShaderModule(
*ctx->logical_device,
module,
NULL
);
return VK_NULL_HANDLE;
} // if
return module;
} // compile_shader
typedef struct
{
MOJOSHADER_vkShader *vertex;
MOJOSHADER_vkShader *fragment;
} BoundShaders;
static uint32_t hash_shaders(const void *sym, void *data)
{
(void) data;
const BoundShaders *s = (const BoundShaders *) sym;
const uint16_t v = (s->vertex) ? s->vertex->tag : 0;
const uint16_t f = (s->fragment) ? s->fragment->tag : 0;
return ((uint32_t) v << 16) | (uint32_t) f;
} // hash_shaders
static int match_shaders(const void *_a, const void *_b, void *data)
{
(void) data;
const BoundShaders *a = (const BoundShaders *) _a;
const BoundShaders *b = (const BoundShaders *) _b;
const uint16_t av = (a->vertex) ? a->vertex->tag : 0;
const uint16_t bv = (b->vertex) ? b->vertex->tag : 0;
if (av != bv)
return 0;
const uint16_t af = (a->fragment) ? a->fragment->tag : 0;
const uint16_t bf = (b->fragment) ? b->fragment->tag : 0;
if (af != bf)
return 0;
return 1;
} // match_shaders
static void nuke_shaders(const void *key, const void *value, void *data)
{
(void) data;
ctx->free_fn((void *) key, ctx->malloc_data); // this was a BoundShaders struct.
MOJOSHADER_vkDeleteProgram((MOJOSHADER_vkProgram *) value);
} // nuke_shaders
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
// Public API
MOJOSHADER_vkContext *MOJOSHADER_vkCreateContext(
VkInstance *instance,
VkPhysicalDevice *physical_device,
VkDevice *logical_device,
PFN_MOJOSHADER_vkGetInstanceProcAddr instance_lookup,
PFN_MOJOSHADER_vkGetDeviceProcAddr device_lookup,
unsigned int graphics_queue_family_index,
unsigned int max_uniform_buffer_range,
unsigned int min_uniform_buffer_offset_alignment,
MOJOSHADER_malloc m, MOJOSHADER_free f,
void *malloc_d
) {
MOJOSHADER_vkContext* resultCtx;
if (m == NULL) m = MOJOSHADER_internal_malloc;
if (f == NULL) f = MOJOSHADER_internal_free;
resultCtx = (MOJOSHADER_vkContext *) m(sizeof(MOJOSHADER_vkContext), malloc_d);
if (resultCtx == NULL)
{
out_of_memory();
goto init_fail;
473
} // if
474
475
476
477
478
479
480
481
482
483
484
memset(resultCtx, '\0', sizeof(MOJOSHADER_vkContext));
resultCtx->malloc_fn = m;
resultCtx->free_fn = f;
resultCtx->malloc_data = malloc_d;
resultCtx->instance = (VkInstance*) instance;
resultCtx->physical_device = (VkPhysicalDevice*) physical_device;
resultCtx->logical_device = (VkDevice*) logical_device;
resultCtx->instance_proc_lookup = (PFN_vkGetInstanceProcAddr) instance_lookup;
resultCtx->device_proc_lookup = (PFN_vkGetDeviceProcAddr) device_lookup;
485
resultCtx->frameIndex = 0;
486
487
488
489
490
491
resultCtx->graphics_queue_family_index = graphics_queue_family_index;
resultCtx->maxUniformBufferRange = max_uniform_buffer_range;
resultCtx->minUniformBufferOffsetAlignment = min_uniform_buffer_offset_alignment;
lookup_entry_points(resultCtx);
492
493
resultCtx->vertUboBuffer = create_ubo(resultCtx);
resultCtx->fragUboBuffer = create_ubo(resultCtx);
494
495
496
497
498
499
500
501
502
503
504
505
506
507
return resultCtx;
init_fail:
if (resultCtx != NULL)
f(resultCtx, malloc_d);
return NULL;
} // MOJOSHADER_vkCreateContext
void MOJOSHADER_vkMakeContextCurrent(MOJOSHADER_vkContext *_ctx)
{
ctx = _ctx;
} // MOJOSHADER_vkMakeContextCurrent
508
void MOJOSHADER_vkDestroyContext(MOJOSHADER_vkContext *_ctx)
509
{
510
511
512
513
514
515
516
MOJOSHADER_vkContext *current_ctx = ctx;
ctx = _ctx;
MOJOSHADER_vkBindProgram(NULL);
if (ctx->linker_cache)
hash_destroy(ctx->linker_cache);
517
518
519
ctx->vkDestroyBuffer(*ctx->logical_device,
ctx->vertUboBuffer->buffer,
NULL);
520
521
522
523
ctx->vkDestroyBuffer(*ctx->logical_device,
ctx->fragUboBuffer->buffer,
NULL);
524
525
526
527
ctx->vkFreeMemory(*ctx->logical_device,
ctx->vertUboBuffer->deviceMemory,
NULL);
528
529
530
531
ctx->vkFreeMemory(*ctx->logical_device,
ctx->fragUboBuffer->deviceMemory,
NULL);
532
533
534
ctx->free_fn(ctx->vertUboBuffer, ctx->malloc_data);
ctx->free_fn(ctx->fragUboBuffer, ctx->malloc_data);
535
536
ctx->free_fn(ctx, ctx->malloc_data);
537
538
ctx = ((current_ctx == _ctx) ? NULL : current_ctx);
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
} // MOJOSHADER_vkDestroyContext
MOJOSHADER_vkShader *MOJOSHADER_vkCompileShader(
const char *mainfn,
const unsigned char *tokenbuf,
const unsigned int bufsize,
const MOJOSHADER_swizzle *swiz,
const unsigned int swizcount,
const MOJOSHADER_samplerMap *smap,
const unsigned int smapcount
) {
MOJOSHADER_vkShader *shader;
const MOJOSHADER_parseData *pd = MOJOSHADER_parse(
"spirv", mainfn,
tokenbuf, bufsize,
swiz, swizcount,
smap, smapcount,
ctx->malloc_fn,
ctx->free_fn,
ctx->malloc_data
);
if (pd->error_count > 0)
{
set_error(pd->errors[0].error);
565
goto parse_shader_fail;
566
567
568
569
570
571
} // if
shader = (MOJOSHADER_vkShader *) ctx->malloc_fn(sizeof(MOJOSHADER_vkShader), ctx->malloc_data);
if (shader == NULL)
{
out_of_memory();
572
goto parse_shader_fail;
573
574
575
576
} // if
shader->parseData = pd;
shader->refcount = 1;
577
shader->tag = tagCounter++;
578
579
return shader;
580
parse_shader_fail:
581
582
583
584
MOJOSHADER_freeParseData(pd);
if (shader != NULL)
ctx->free_fn(shader, ctx->malloc_data);
return NULL;
585
} // MOJOSHADER_vkCompileShader
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
void MOJOSHADER_vkShaderAddRef(MOJOSHADER_vkShader *shader)
{
if (shader != NULL)
shader->refcount++;
} // MOJOShader_vkShaderAddRef
void MOJOSHADER_vkDeleteShader(MOJOSHADER_vkShader *shader)
{
if (shader != NULL)
{
if (shader->refcount > 1)
shader->refcount--;
else
{
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
// See if this was bound as an unlinked program anywhere...
if (ctx->linker_cache)
{
const void *key = NULL;
void *iter = NULL;
int morekeys = hash_iter_keys(ctx->linker_cache, &key, &iter);
while (morekeys)
{
const BoundShaders *shaders = (const BoundShaders *) key;
// Do this here so we don't confuse the iteration by removing...
morekeys = hash_iter_keys(ctx->linker_cache, &key, &iter);
if ((shaders->vertex == shader) || (shaders->fragment == shader))
{
// Deletes the linked program
hash_remove(ctx->linker_cache, shaders);
} // if
} // while
} // if
620
621
622
623
624
625
626
627
628
629
630
631
MOJOSHADER_freeParseData(shader->parseData);
ctx->free_fn(shader, ctx->malloc_data);
} // else
} // if
} // MOJOSHADER_vkDeleteShader
const MOJOSHADER_parseData *MOJOSHADER_vkGetShaderParseData(
MOJOSHADER_vkShader *shader
) {
return (shader != NULL) ? shader->parseData : NULL;
} // MOJOSHADER_vkGetShaderParseData
632
633
634
635
636
637
638
639
640
641
642
643
644
645
void MOJOSHADER_vkDeleteProgram(MOJOSHADER_vkProgram *p)
{
if (p->vertexModule != VK_NULL_HANDLE)
ctx->vkDestroyShaderModule(*ctx->logical_device, p->vertexModule, NULL);
if (p->pixelModule != VK_NULL_HANDLE)
ctx->vkDestroyShaderModule(*ctx->logical_device, p->pixelModule, NULL);
ctx->free_fn(p, ctx->malloc_data);
} // MOJOSHADER_vkDeleteProgram
MOJOSHADER_vkProgram *MOJOSHADER_vkLinkProgram(MOJOSHADER_vkShader *vshader,
MOJOSHADER_vkShader *pshader)
{
MOJOSHADER_vkProgram *result;
646
if ((vshader == NULL) || (pshader == NULL)) // Both shaders MUST exist!
647
648
return NULL;
649
650
result = (MOJOSHADER_vkProgram *) ctx->malloc_fn(sizeof (MOJOSHADER_vkProgram),
ctx->malloc_data);
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
if (result == NULL)
{
out_of_memory();
return NULL;
} // if
MOJOSHADER_spirv_link_attributes(vshader->parseData, pshader->parseData);
result->vertexModule = compile_shader(vshader);
result->pixelModule = compile_shader(pshader);
result->vertexShader = vshader;
result->pixelShader = pshader;
if (result->vertexModule == VK_NULL_HANDLE
|| result->pixelModule == VK_NULL_HANDLE)
{
MOJOSHADER_vkDeleteProgram(result);
return NULL;
}
return result;
} // MOJOSHADER_vkLinkProgram
void MOJOSHADER_vkBindProgram(MOJOSHADER_vkProgram *p)
{
ctx->bound_program = p;
} // MOJOSHADER_vkBindProgram
677
678
679
void MOJOSHADER_vkBindShaders(MOJOSHADER_vkShader *vshader,
MOJOSHADER_vkShader *pshader)
{
680
681
682
683
684
if (ctx->linker_cache == NULL)
{
ctx->linker_cache = hash_create(NULL, hash_shaders, match_shaders,
nuke_shaders, 0, ctx->malloc_fn,
ctx->free_fn, ctx->malloc_data);
685
686
687
688
689
690
691
692
693
694
695
696
697
if (ctx->linker_cache == NULL)
{
out_of_memory();
return;
} // if
} // if
MOJOSHADER_vkProgram *program = NULL;
BoundShaders shaders;
shaders.vertex = vshader;
shaders.fragment = pshader;
698
699
700
ctx->bound_vshader = vshader;
ctx->bound_pshader = pshader;
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
const void *val = NULL;
if (hash_find(ctx->linker_cache, &shaders, &val))
program = (MOJOSHADER_vkProgram *) val;
else
{
program = MOJOSHADER_vkLinkProgram(vshader, pshader);
if (program == NULL)
return;
BoundShaders *item = (BoundShaders *) ctx->malloc_fn(sizeof (BoundShaders),
ctx->malloc_data);
if (item == NULL)
{
MOJOSHADER_vkDeleteProgram(program);
return;
} // if
memcpy(item, &shaders, sizeof (BoundShaders));
if (hash_insert(ctx->linker_cache, item, program) != 1)
{
ctx->free_fn(item, ctx->malloc_data);
MOJOSHADER_vkDeleteProgram(program);
out_of_memory();
return;
} // if
} // else
assert(program != NULL);
ctx->bound_program = program;
730
731
732
733
734
} // MOJOSHADER_vkBindShaders
void MOJOSHADER_vkGetBoundShaders(MOJOSHADER_vkShader **vshader,
MOJOSHADER_vkShader **pshader)
{
735
736
737
738
739
if (vshader != NULL)
{
if (ctx->bound_program != NULL)
*vshader = ctx->bound_program->vertexShader;
else
740
*vshader = ctx->bound_vshader; // In case a pshader isn't set yet
741
742
743
744
745
746
} // if
if (pshader != NULL)
{
if (ctx->bound_program != NULL)
*pshader = ctx->bound_program->pixelShader;
else
747
*pshader = ctx->bound_pshader; // In case a vshader isn't set yet
748
} // if
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
} // MOJOSHADER_vkGetBoundShaders
void MOJOSHADER_vkMapUniformBufferMemory(float **vsf, int **vsi, unsigned char **vsb,
float **psf, int **psi, unsigned char **psb)
{
*vsf = ctx->vs_reg_file_f;
*vsi = ctx->vs_reg_file_i;
*vsb = ctx->vs_reg_file_b;
*psf = ctx->ps_reg_file_f;
*psi = ctx->ps_reg_file_i;
*psb = ctx->ps_reg_file_b;
} // MOJOSHADER_vkMapUniformBufferMemory
void MOJOSHADER_vkUnmapUniformBufferMemory()
{
764
765
if (ctx->bound_program == NULL)
return; // Ignore buffer updates until we have a real program linked
766
767
update_uniform_buffer(ctx->bound_program->vertexShader);
update_uniform_buffer(ctx->bound_program->pixelShader);
768
769
770
771
772
} // MOJOSHADER_vkUnmapUniformBufferMemory
void MOJOSHADER_vkGetUniformBuffers(VkBuffer *vbuf, unsigned long long *voff, unsigned long long *vsize,
VkBuffer *pbuf, unsigned long long *poff, unsigned long long *psize)
{
773
774
775
776
777
778
779
assert(ctx->bound_program != NULL);
*vbuf = get_uniform_buffer(ctx->bound_program->vertexShader);
*voff = get_uniform_offset(ctx->bound_program->vertexShader);
*vsize = get_uniform_size(ctx->bound_program->vertexShader);
*pbuf = get_uniform_buffer(ctx->bound_program->pixelShader);
*poff = get_uniform_offset(ctx->bound_program->pixelShader);
*psize = get_uniform_size(ctx->bound_program->pixelShader);
780
781
782
783
} // MOJOSHADER_vkGetUniformBuffers
void MOJOSHADER_vkEndFrame()
{
784
785
786
787
788
ctx->frameIndex = (ctx->frameIndex + 1) % 2;
// Reset counters
// Offset by size of buffer to simulate "rotating" the buffers
ctx->vertUboBuffer->dynamicOffset = UBO_BUFFER_SIZE * ctx->frameIndex;
789
ctx->vertUboBuffer->currentBlockIncrement = 0;
790
ctx->fragUboBuffer->dynamicOffset = UBO_BUFFER_SIZE * ctx->frameIndex;
791
ctx->fragUboBuffer->currentBlockIncrement = 0;
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
} // MOJOSHADER_VkEndFrame
int MOJOSHADER_vkGetVertexAttribLocation(MOJOSHADER_vkShader *vert,
MOJOSHADER_usage usage, int index)
{
int32_t i;
if (vert == NULL)
return -1;
for (i = 0; i < vert->parseData->attribute_count; i++)
{
if (vert->parseData->attributes[i].usage == usage &&
vert->parseData->attributes[i].index == index)
{
return i;
} // if
} // for
// failure
return -1;
} //MOJOSHADER_vkGetVertexAttribLocation
814
815
void MOJOSHADER_vkGetShaderModules(VkShaderModule *vmodule,
VkShaderModule *pmodule)
816
{
817
818
819
820
821
822
assert(ctx->bound_program != NULL);
if (vmodule != NULL)
*vmodule = ctx->bound_program->vertexModule;
if (pmodule != NULL)
*pmodule = ctx->bound_program->pixelModule;
} //MOJOSHADER_vkGetShaderModules
823
824
825
826
827
828
829
830
831
const char *MOJOSHADER_vkGetError(void)
{
return error_buffer;
} // MOJOSHADER_vkGetError
#endif /* SUPPORT_PROFILE_SPIRV */
// end of mojoshader_vulkan.c ...