9672048bca8bb2124d40d417200611f4f82f9ab9
[mesa.git] / src / gallium / drivers / panfrost / pan_screen.c
1 /**************************************************************************
2 *
3 * Copyright 2008 VMware, Inc.
4 * Copyright 2014 Broadcom
5 * Copyright 2018 Alyssa Rosenzweig
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sub license, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
18 * of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
23 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
24 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 *
28 **************************************************************************/
29
30
31 #include "util/u_debug.h"
32 #include "util/u_memory.h"
33 #include "util/u_format.h"
34 #include "util/u_format_s3tc.h"
35 #include "util/u_video.h"
36 #include "util/u_screen.h"
37 #include "util/os_time.h"
38 #include "pipe/p_defines.h"
39 #include "pipe/p_screen.h"
40 #include "draw/draw_context.h"
41 #include <xf86drm.h>
42
43 #include <fcntl.h>
44
45 #include "drm-uapi/drm_fourcc.h"
46
47 #include "pan_screen.h"
48 #include "pan_resource.h"
49 #include "pan_public.h"
50 #include "pan_util.h"
51
52 #include "pan_context.h"
53 #include "midgard/midgard_compile.h"
54
55 static const struct debug_named_value debug_options[] = {
56 {"msgs", PAN_DBG_MSGS, "Print debug messages"},
57 {"shaders", PAN_DBG_SHADERS, "Dump shaders in NIR"},
58 DEBUG_NAMED_VALUE_END
59 };
60
61 DEBUG_GET_ONCE_FLAGS_OPTION(pan_debug, "PAN_MESA_DEBUG", debug_options, 0)
62
63 int pan_debug = 0;
64
65 struct panfrost_driver *panfrost_create_drm_driver(int fd);
66 struct panfrost_driver *panfrost_create_nondrm_driver(int fd);
67
68 const char *pan_counters_base = NULL;
69
70 static const char *
71 panfrost_get_name(struct pipe_screen *screen)
72 {
73 return "panfrost";
74 }
75
76 static const char *
77 panfrost_get_vendor(struct pipe_screen *screen)
78 {
79 return "panfrost";
80 }
81
82 static const char *
83 panfrost_get_device_vendor(struct pipe_screen *screen)
84 {
85 return "Arm";
86 }
87
88 static int
89 panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
90 {
91 switch (param) {
92 case PIPE_CAP_NPOT_TEXTURES:
93 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
94 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
95 return 1;
96
97 case PIPE_CAP_SM3:
98 case PIPE_CAP_POINT_SPRITE:
99 return 1;
100
101 case PIPE_CAP_MAX_RENDER_TARGETS:
102 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
103 return 1;
104
105 case PIPE_CAP_OCCLUSION_QUERY:
106 case PIPE_CAP_QUERY_TIME_ELAPSED:
107 case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
108 return 1; /* TODO: Queries */
109
110 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
111 case PIPE_CAP_TEXTURE_SWIZZLE:
112 return 1;
113
114 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
115 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
116 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
117 return 13;
118
119 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
120 return 1;
121
122 case PIPE_CAP_INDEP_BLEND_ENABLE:
123 return 1;
124
125 case PIPE_CAP_INDEP_BLEND_FUNC:
126 return 1;
127
128 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
129 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
130 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
131 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
132 return 1;
133
134 case PIPE_CAP_DEPTH_CLIP_DISABLE:
135 return 1;
136
137 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
138 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
139 return 16 * 4;
140
141 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
142 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
143 return 1024;
144
145 case PIPE_CAP_MAX_VERTEX_STREAMS:
146 return 1;
147
148 case PIPE_CAP_SHADER_STENCIL_EXPORT:
149 return 1;
150
151 case PIPE_CAP_SEAMLESS_CUBE_MAP:
152 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
153 return 1;
154
155 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
156 return 256; /* for GL3 */
157
158 case PIPE_CAP_CONDITIONAL_RENDER:
159 return 1;
160
161 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
162 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
163 case PIPE_CAP_VERTEX_COLOR_CLAMPED:
164 return 1;
165
166 case PIPE_CAP_GLSL_FEATURE_LEVEL:
167 return 330;
168
169 case PIPE_CAP_USER_VERTEX_BUFFERS: /* TODO */
170 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
171 return 0;
172
173 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
174 case PIPE_CAP_DOUBLES:
175 case PIPE_CAP_INT64:
176 case PIPE_CAP_INT64_DIVMOD:
177 return 1;
178
179 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
180 return 16;
181
182 case PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET:
183 return 0xffff;
184
185 case PIPE_CAP_QUERY_TIMESTAMP:
186 case PIPE_CAP_CUBE_MAP_ARRAY:
187 return 1;
188
189 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
190 return 1;
191
192 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
193 return 65536;
194
195 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
196 return 0;
197
198 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
199 return 0;
200
201 case PIPE_CAP_MAX_VIEWPORTS:
202 return PIPE_MAX_VIEWPORTS;
203
204 case PIPE_CAP_ENDIANNESS:
205 return PIPE_ENDIAN_NATIVE;
206
207 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
208 return 4;
209
210 case PIPE_CAP_TEXTURE_GATHER_SM5:
211 case PIPE_CAP_TEXTURE_QUERY_LOD:
212 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
213 case PIPE_CAP_SAMPLER_VIEW_TARGET:
214 case PIPE_CAP_FAKE_SW_MSAA:
215 return 1;
216
217 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
218 return -32;
219
220 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
221 return 31;
222
223 case PIPE_CAP_DRAW_INDIRECT:
224 return 1;
225
226 case PIPE_CAP_QUERY_SO_OVERFLOW:
227 return 1;
228
229 case PIPE_CAP_VENDOR_ID:
230 return 0xFFFFFFFF;
231
232 case PIPE_CAP_DEVICE_ID:
233 return 0xFFFFFFFF;
234
235 case PIPE_CAP_ACCELERATED:
236 return 1;
237
238 case PIPE_CAP_VIDEO_MEMORY: {
239 uint64_t system_memory;
240
241 if (!os_get_total_physical_memory(&system_memory))
242 return 0;
243
244 return (int)(system_memory >> 20);
245 }
246
247 case PIPE_CAP_UMA:
248 return 1;
249
250 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
251 case PIPE_CAP_CLIP_HALFZ:
252 case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
253 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
254 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
255 case PIPE_CAP_CULL_DISTANCE:
256 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
257 case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
258 case PIPE_CAP_CLEAR_TEXTURE:
259 return 1;
260
261 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
262 return 4;
263
264 case PIPE_CAP_MAX_VARYINGS:
265 return 16;
266
267 default:
268 return u_pipe_screen_get_param_defaults(screen, param);
269 }
270 }
271
272 static int
273 panfrost_get_shader_param(struct pipe_screen *screen,
274 enum pipe_shader_type shader,
275 enum pipe_shader_cap param)
276 {
277 if (shader != PIPE_SHADER_VERTEX &&
278 shader != PIPE_SHADER_FRAGMENT) {
279 return 0;
280 }
281
282 /* this is probably not totally correct.. but it's a start: */
283 switch (param) {
284 case PIPE_SHADER_CAP_SCALAR_ISA:
285 return 0;
286
287 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
288 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
289 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
290 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
291 return 16384;
292
293 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
294 return 1024;
295
296 case PIPE_SHADER_CAP_MAX_INPUTS:
297 return 16;
298
299 case PIPE_SHADER_CAP_MAX_OUTPUTS:
300 return shader == PIPE_SHADER_FRAGMENT ? 1 : 8;
301
302 case PIPE_SHADER_CAP_MAX_TEMPS:
303 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
304
305 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
306 return 16 * 1024 * sizeof(float);
307
308 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
309 return 1;
310
311 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
312 return 0;
313
314 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
315 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
316 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
317 return 0;
318
319 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
320 return 1;
321
322 case PIPE_SHADER_CAP_SUBROUTINES:
323 return 0;
324
325 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
326 return 0;
327
328 case PIPE_SHADER_CAP_INTEGERS:
329 return 1;
330
331 case PIPE_SHADER_CAP_INT64_ATOMICS:
332 case PIPE_SHADER_CAP_FP16:
333 case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
334 case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
335 case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
336 case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
337 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
338 return 0;
339
340 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
341 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
342 return 16; /* XXX: How many? */
343
344 case PIPE_SHADER_CAP_PREFERRED_IR:
345 return PIPE_SHADER_IR_NIR;
346
347 case PIPE_SHADER_CAP_SUPPORTED_IRS:
348 return 0;
349
350 case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
351 return 32;
352
353 case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
354 case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
355 case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
356 case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
357 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
358 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
359 return 0;
360
361 default:
362 fprintf(stderr, "unknown shader param %d\n", param);
363 return 0;
364 }
365
366 return 0;
367 }
368
369 static float
370 panfrost_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
371 {
372 switch (param) {
373 case PIPE_CAPF_MAX_LINE_WIDTH:
374
375 /* fall-through */
376 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
377 return 255.0; /* arbitrary */
378
379 case PIPE_CAPF_MAX_POINT_WIDTH:
380
381 /* fall-through */
382 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
383 return 255.0; /* arbitrary */
384
385 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
386 return 16.0;
387
388 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
389 return 16.0; /* arbitrary */
390
391 default:
392 debug_printf("Unexpected PIPE_CAPF %d query\n", param);
393 return 0.0;
394 }
395 }
396
397 /**
398 * Query format support for creating a texture, drawing surface, etc.
399 * \param format the format to test
400 * \param type one of PIPE_TEXTURE, PIPE_SURFACE
401 */
402 static boolean
403 panfrost_is_format_supported( struct pipe_screen *screen,
404 enum pipe_format format,
405 enum pipe_texture_target target,
406 unsigned sample_count,
407 unsigned storage_sample_count,
408 unsigned bind)
409 {
410 const struct util_format_description *format_desc;
411
412 assert(target == PIPE_BUFFER ||
413 target == PIPE_TEXTURE_1D ||
414 target == PIPE_TEXTURE_1D_ARRAY ||
415 target == PIPE_TEXTURE_2D ||
416 target == PIPE_TEXTURE_2D_ARRAY ||
417 target == PIPE_TEXTURE_RECT ||
418 target == PIPE_TEXTURE_3D ||
419 target == PIPE_TEXTURE_CUBE ||
420 target == PIPE_TEXTURE_CUBE_ARRAY);
421
422 format_desc = util_format_description(format);
423
424 if (!format_desc)
425 return FALSE;
426
427 if (sample_count > 1)
428 return FALSE;
429
430 /* Format wishlist */
431 if (format == PIPE_FORMAT_Z24X8_UNORM || format == PIPE_FORMAT_X8Z24_UNORM)
432 return FALSE;
433
434 if (bind & PIPE_BIND_RENDER_TARGET) {
435 /* We don't support rendering into anything but RGBA8 yet. We
436 * need more formats for spec compliance, but for now, honesty
437 * is the best policy <3 */
438
439 if (!util_format_is_rgba8_variant(format_desc))
440 return FALSE;
441
442 if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
443 return FALSE;
444
445 /*
446 * Although possible, it is unnatural to render into compressed or YUV
447 * surfaces. So disable these here to avoid going into weird paths
448 * inside the state trackers.
449 */
450 if (format_desc->block.width != 1 ||
451 format_desc->block.height != 1)
452 return FALSE;
453 }
454
455 if (bind & PIPE_BIND_DEPTH_STENCIL) {
456 if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
457 return FALSE;
458 }
459
460 if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC ||
461 format_desc->layout == UTIL_FORMAT_LAYOUT_ASTC) {
462 /* Compressed formats not yet hooked up. */
463 return FALSE;
464 }
465
466 if ((bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW)) &&
467 ((bind & PIPE_BIND_DISPLAY_TARGET) == 0) &&
468 target != PIPE_BUFFER) {
469 const struct util_format_description *desc =
470 util_format_description(format);
471
472 if (desc->nr_channels == 3 && desc->is_array) {
473 /* Don't support any 3-component formats for rendering/texturing
474 * since we don't support the corresponding 8-bit 3 channel UNORM
475 * formats. This allows us to support GL_ARB_copy_image between
476 * GL_RGB8 and GL_RGB8UI, for example. Otherwise, we may be asked to
477 * do a resource copy between PIPE_FORMAT_R8G8B8_UINT and
478 * PIPE_FORMAT_R8G8B8X8_UNORM, for example, which will not work
479 * (different bpp).
480 */
481 return FALSE;
482 }
483 }
484
485 return TRUE;
486 }
487
488
489 static void
490 panfrost_destroy_screen( struct pipe_screen *screen )
491 {
492 FREE(screen);
493 }
494
495 static void
496 panfrost_flush_frontbuffer(struct pipe_screen *_screen,
497 struct pipe_resource *resource,
498 unsigned level, unsigned layer,
499 void *context_private,
500 struct pipe_box *sub_box)
501 {
502 /* TODO: Display target integration */
503 }
504
505 static uint64_t
506 panfrost_get_timestamp(struct pipe_screen *_screen)
507 {
508 return os_time_get_nano();
509 }
510
511 static void
512 panfrost_fence_reference(struct pipe_screen *pscreen,
513 struct pipe_fence_handle **ptr,
514 struct pipe_fence_handle *fence)
515 {
516 struct panfrost_screen *screen = pan_screen(pscreen);
517 screen->driver->fence_reference(pscreen, ptr, fence);
518 }
519
520 static boolean
521 panfrost_fence_finish(struct pipe_screen *pscreen,
522 struct pipe_context *ctx,
523 struct pipe_fence_handle *fence,
524 uint64_t timeout)
525 {
526 struct panfrost_screen *screen = pan_screen(pscreen);
527 return screen->driver->fence_finish(pscreen, ctx, fence, timeout);
528 }
529
530 static const void *
531 panfrost_screen_get_compiler_options(struct pipe_screen *pscreen,
532 enum pipe_shader_ir ir,
533 enum pipe_shader_type shader)
534 {
535 return &midgard_nir_options;
536 }
537
538 struct pipe_screen *
539 panfrost_create_screen(int fd, struct renderonly *ro, bool is_drm)
540 {
541 struct panfrost_screen *screen = CALLOC_STRUCT(panfrost_screen);
542
543 pan_debug = debug_get_option_pan_debug();
544
545 if (!screen)
546 return NULL;
547
548 if (ro) {
549 screen->ro = renderonly_dup(ro);
550 if (!screen->ro) {
551 fprintf(stderr, "Failed to dup renderonly object\n");
552 free(screen);
553 return NULL;
554 }
555 }
556
557 if (is_drm) {
558 screen->driver = panfrost_create_drm_driver(fd);
559 } else {
560 #ifdef PAN_NONDRM_OVERLAY
561 screen->driver = panfrost_create_nondrm_driver(fd);
562 #else
563 fprintf(stderr, "Legacy (non-DRM) operation requires out-of-tree overlay\n");
564 return NULL;
565 #endif
566 }
567
568 /* Dump memory and/or performance counters iff asked for in the environment */
569 const char *pantrace_base = getenv("PANTRACE_BASE");
570 pan_counters_base = getenv("PANCOUNTERS_BASE");
571
572 if (pantrace_base) {
573 pantrace_initialize(pantrace_base);
574 }
575
576 if (pan_counters_base) {
577 screen->driver->allocate_slab(screen, &screen->perf_counters, 64, true, 0, 0, 0);
578 screen->driver->enable_counters(screen);
579 }
580
581 screen->base.destroy = panfrost_destroy_screen;
582
583 screen->base.get_name = panfrost_get_name;
584 screen->base.get_vendor = panfrost_get_vendor;
585 screen->base.get_device_vendor = panfrost_get_device_vendor;
586 screen->base.get_param = panfrost_get_param;
587 screen->base.get_shader_param = panfrost_get_shader_param;
588 screen->base.get_paramf = panfrost_get_paramf;
589 screen->base.get_timestamp = panfrost_get_timestamp;
590 screen->base.is_format_supported = panfrost_is_format_supported;
591 screen->base.context_create = panfrost_create_context;
592 screen->base.flush_frontbuffer = panfrost_flush_frontbuffer;
593 screen->base.get_compiler_options = panfrost_screen_get_compiler_options;
594 screen->base.fence_reference = panfrost_fence_reference;
595 screen->base.fence_finish = panfrost_fence_finish;
596
597 screen->last_fragment_id = -1;
598 screen->last_fragment_flushed = true;
599
600 panfrost_resource_screen_init(screen);
601
602 return &screen->base;
603 }