freedreno_screen.c revision 7ec681f3
1/*
2 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Rob Clark <robclark@freedesktop.org>
25 */
26
27#include "pipe/p_defines.h"
28#include "pipe/p_screen.h"
29#include "pipe/p_state.h"
30
31#include "util/format/u_format.h"
32#include "util/format/u_format_s3tc.h"
33#include "util/u_debug.h"
34#include "util/u_inlines.h"
35#include "util/u_memory.h"
36#include "util/u_screen.h"
37#include "util/u_string.h"
38#include "util/xmlconfig.h"
39
40#include "util/os_time.h"
41
42#include <errno.h>
43#include <stdio.h>
44#include <stdlib.h>
45#include "drm-uapi/drm_fourcc.h"
46#include <sys/sysinfo.h>
47
48#include "freedreno_fence.h"
49#include "freedreno_perfetto.h"
50#include "freedreno_query.h"
51#include "freedreno_resource.h"
52#include "freedreno_screen.h"
53#include "freedreno_util.h"
54
55#include "a2xx/fd2_screen.h"
56#include "a3xx/fd3_screen.h"
57#include "a4xx/fd4_screen.h"
58#include "a5xx/fd5_screen.h"
59#include "a6xx/fd6_screen.h"
60
61/* for fd_get_driver/device_uuid() */
62#include "common/freedreno_uuid.h"
63
64#include "a2xx/ir2.h"
65#include "ir3/ir3_gallium.h"
66#include "ir3/ir3_nir.h"
67
68/* clang-format off */
69static const struct debug_named_value fd_debug_options[] = {
70   {"msgs",      FD_DBG_MSGS,     "Print debug messages"},
71   {"disasm",    FD_DBG_DISASM,   "Dump TGSI and adreno shader disassembly (a2xx only, see IR3_SHADER_DEBUG)"},
72   {"dclear",    FD_DBG_DCLEAR,   "Mark all state dirty after clear"},
73   {"ddraw",     FD_DBG_DDRAW,    "Mark all state dirty after draw"},
74   {"noscis",    FD_DBG_NOSCIS,   "Disable scissor optimization"},
75   {"direct",    FD_DBG_DIRECT,   "Force inline (SS_DIRECT) state loads"},
76   {"nobypass",  FD_DBG_NOBYPASS, "Disable GMEM bypass"},
77   {"perf",      FD_DBG_PERF,     "Enable performance warnings"},
78   {"nobin",     FD_DBG_NOBIN,    "Disable hw binning"},
79   {"nogmem",    FD_DBG_NOGMEM,   "Disable GMEM rendering (bypass only)"},
80   {"serialc",   FD_DBG_SERIALC,"Disable asynchronous shader compile"},
81   {"shaderdb",  FD_DBG_SHADERDB, "Enable shaderdb output"},
82   {"flush",     FD_DBG_FLUSH,    "Force flush after every draw"},
83   {"deqp",      FD_DBG_DEQP,     "Enable dEQP hacks"},
84   {"inorder",   FD_DBG_INORDER,  "Disable reordering for draws/blits"},
85   {"bstat",     FD_DBG_BSTAT,    "Print batch stats at context destroy"},
86   {"nogrow",    FD_DBG_NOGROW,   "Disable \"growable\" cmdstream buffers, even if kernel supports it"},
87   {"lrz",       FD_DBG_LRZ,      "Enable experimental LRZ support (a5xx)"},
88   {"noindirect",FD_DBG_NOINDR,   "Disable hw indirect draws (emulate on CPU)"},
89   {"noblit",    FD_DBG_NOBLIT,   "Disable blitter (fallback to generic blit path)"},
90   {"hiprio",    FD_DBG_HIPRIO,   "Force high-priority context"},
91   {"ttile",     FD_DBG_TTILE,    "Enable texture tiling (a2xx/a3xx/a5xx)"},
92   {"perfcntrs", FD_DBG_PERFC,    "Expose performance counters"},
93   {"noubwc",    FD_DBG_NOUBWC,   "Disable UBWC for all internal buffers"},
94   {"nolrz",     FD_DBG_NOLRZ,    "Disable LRZ (a6xx)"},
95   {"notile",    FD_DBG_NOTILE,   "Disable tiling for all internal buffers"},
96   {"layout",    FD_DBG_LAYOUT,   "Dump resource layouts"},
97   {"nofp16",    FD_DBG_NOFP16,   "Disable mediump precision lowering"},
98   {"nohw",      FD_DBG_NOHW,     "Disable submitting commands to the HW"},
99   DEBUG_NAMED_VALUE_END
100};
101/* clang-format on */
102
103DEBUG_GET_ONCE_FLAGS_OPTION(fd_mesa_debug, "FD_MESA_DEBUG", fd_debug_options, 0)
104
105int fd_mesa_debug = 0;
106bool fd_binning_enabled = true;
107
108static const char *
109fd_screen_get_name(struct pipe_screen *pscreen)
110{
111   return fd_dev_name(fd_screen(pscreen)->dev_id);
112}
113
114static const char *
115fd_screen_get_vendor(struct pipe_screen *pscreen)
116{
117   return "freedreno";
118}
119
120static const char *
121fd_screen_get_device_vendor(struct pipe_screen *pscreen)
122{
123   return "Qualcomm";
124}
125
126static uint64_t
127fd_screen_get_timestamp(struct pipe_screen *pscreen)
128{
129   struct fd_screen *screen = fd_screen(pscreen);
130
131   if (screen->has_timestamp) {
132      uint64_t n;
133      fd_pipe_get_param(screen->pipe, FD_TIMESTAMP, &n);
134      debug_assert(screen->max_freq > 0);
135      return n * 1000000000 / screen->max_freq;
136   } else {
137      int64_t cpu_time = os_time_get() * 1000;
138      return cpu_time + screen->cpu_gpu_time_delta;
139   }
140}
141
142static void
143fd_screen_destroy(struct pipe_screen *pscreen)
144{
145   struct fd_screen *screen = fd_screen(pscreen);
146
147   if (screen->pipe)
148      fd_pipe_del(screen->pipe);
149
150   if (screen->dev) {
151      fd_device_purge(screen->dev);
152      fd_device_del(screen->dev);
153   }
154
155   if (screen->ro)
156      screen->ro->destroy(screen->ro);
157
158   fd_bc_fini(&screen->batch_cache);
159   fd_gmem_screen_fini(pscreen);
160
161   slab_destroy_parent(&screen->transfer_pool);
162
163   simple_mtx_destroy(&screen->lock);
164
165   util_idalloc_mt_fini(&screen->buffer_ids);
166
167   u_transfer_helper_destroy(pscreen->transfer_helper);
168
169   if (screen->compiler)
170      ir3_screen_fini(pscreen);
171
172   free(screen->perfcntr_queries);
173   free(screen);
174}
175
176/*
177TODO either move caps to a2xx/a3xx specific code, or maybe have some
178tables for things that differ if the delta is not too much..
179 */
180static int
181fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
182{
183   struct fd_screen *screen = fd_screen(pscreen);
184
185   /* this is probably not totally correct.. but it's a start: */
186   switch (param) {
187   /* Supported features (boolean caps). */
188   case PIPE_CAP_NPOT_TEXTURES:
189   case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
190   case PIPE_CAP_ANISOTROPIC_FILTER:
191   case PIPE_CAP_POINT_SPRITE:
192   case PIPE_CAP_BLEND_EQUATION_SEPARATE:
193   case PIPE_CAP_TEXTURE_SWIZZLE:
194   case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
195   case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
196   case PIPE_CAP_SEAMLESS_CUBE_MAP:
197   case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
198   case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
199   case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
200   case PIPE_CAP_STRING_MARKER:
201   case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
202   case PIPE_CAP_TEXTURE_BARRIER:
203   case PIPE_CAP_INVALIDATE_BUFFER:
204   case PIPE_CAP_RGB_OVERRIDE_DST_ALPHA_BLEND:
205   case PIPE_CAP_GLSL_TESS_LEVELS_AS_INPUTS:
206   case PIPE_CAP_NIR_COMPACT_ARRAYS:
207      return 1;
208
209   case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
210      return is_a6xx(screen);
211
212   case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
213   case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
214   case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
215      return !is_a2xx(screen);
216
217   case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
218      return is_a2xx(screen);
219   case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
220      return !is_a2xx(screen);
221
222   case PIPE_CAP_PACKED_UNIFORMS:
223      return !is_a2xx(screen);
224
225   case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
226   case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
227      return screen->has_robustness;
228
229   case PIPE_CAP_VERTEXID_NOBASE:
230      return is_a3xx(screen) || is_a4xx(screen);
231
232   case PIPE_CAP_COMPUTE:
233      return has_compute(screen);
234
235   case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
236   case PIPE_CAP_PCI_GROUP:
237   case PIPE_CAP_PCI_BUS:
238   case PIPE_CAP_PCI_DEVICE:
239   case PIPE_CAP_PCI_FUNCTION:
240      return 0;
241
242   case PIPE_CAP_SUPPORTED_PRIM_MODES:
243   case PIPE_CAP_SUPPORTED_PRIM_MODES_WITH_RESTART:
244      return screen->primtypes_mask;
245
246   case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
247   case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
248   case PIPE_CAP_VERTEX_SHADER_SATURATE:
249   case PIPE_CAP_PRIMITIVE_RESTART:
250   case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX:
251   case PIPE_CAP_TGSI_INSTANCEID:
252   case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
253   case PIPE_CAP_INDEP_BLEND_ENABLE:
254   case PIPE_CAP_INDEP_BLEND_FUNC:
255   case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
256   case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
257   case PIPE_CAP_CONDITIONAL_RENDER:
258   case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
259   case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
260   case PIPE_CAP_CLIP_HALFZ:
261      return is_a3xx(screen) || is_a4xx(screen) || is_a5xx(screen) ||
262             is_a6xx(screen);
263
264   case PIPE_CAP_FAKE_SW_MSAA:
265      return !fd_screen_get_param(pscreen, PIPE_CAP_TEXTURE_MULTISAMPLE);
266
267   case PIPE_CAP_TEXTURE_MULTISAMPLE:
268      return is_a5xx(screen) || is_a6xx(screen);
269
270   case PIPE_CAP_SURFACE_SAMPLE_COUNT:
271      return is_a6xx(screen);
272
273   case PIPE_CAP_DEPTH_CLIP_DISABLE:
274      return is_a3xx(screen) || is_a4xx(screen) || is_a6xx(screen);
275
276   case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
277      return is_a6xx(screen);
278
279   case PIPE_CAP_POLYGON_OFFSET_CLAMP:
280      return is_a4xx(screen) || is_a5xx(screen) || is_a6xx(screen);
281
282   case PIPE_CAP_PREFER_IMM_ARRAYS_AS_CONSTBUF:
283      return 0;
284
285   case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
286      if (is_a3xx(screen))
287         return 16;
288      if (is_a4xx(screen))
289         return 32;
290      if (is_a5xx(screen) || is_a6xx(screen))
291         return 64;
292      return 0;
293   case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
294      /* We could possibly emulate more by pretending 2d/rect textures and
295       * splitting high bits of index into 2nd dimension..
296       */
297      if (is_a3xx(screen))
298         return 8192;
299      if (is_a4xx(screen))
300         return 16384;
301
302      /* Note that the Vulkan blob on a540 and 640 report a
303       * maxTexelBufferElements of just 65536 (the GLES3.2 and Vulkan
304       * minimum).
305       */
306      if (is_a5xx(screen) || is_a6xx(screen))
307         return 1 << 27;
308      return 0;
309
310   case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
311   case PIPE_CAP_CUBE_MAP_ARRAY:
312   case PIPE_CAP_SAMPLER_VIEW_TARGET:
313   case PIPE_CAP_TEXTURE_QUERY_LOD:
314      return is_a4xx(screen) || is_a5xx(screen) || is_a6xx(screen);
315
316   case PIPE_CAP_START_INSTANCE:
317      /* Note that a5xx can do this, it just can't (at least with
318       * current firmware) do draw_indirect with base_instance.
319       * Since draw_indirect is needed sooner (gles31 and gl40 vs
320       * gl42), hide base_instance on a5xx.  :-/
321       */
322      return is_a4xx(screen);
323
324   case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
325      return 64;
326
327   case PIPE_CAP_GLSL_FEATURE_LEVEL:
328   case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
329      if (is_a6xx(screen))
330         return 330;
331      else if (is_ir3(screen))
332         return 140;
333      else
334         return 120;
335
336   case PIPE_CAP_ESSL_FEATURE_LEVEL:
337      /* we can probably enable 320 for a5xx too, but need to test: */
338      if (is_a6xx(screen))
339         return 320;
340      if (is_a5xx(screen))
341         return 310;
342      if (is_ir3(screen))
343         return 300;
344      return 120;
345
346   case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
347      if (is_a6xx(screen))
348         return 64;
349      if (is_a5xx(screen))
350         return 4;
351      return 0;
352
353   case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
354      if (is_a4xx(screen) || is_a5xx(screen) || is_a6xx(screen))
355         return 4;
356      return 0;
357
358   /* TODO if we need this, do it in nir/ir3 backend to avoid breaking
359    * precompile: */
360   case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
361      return 0;
362
363   case PIPE_CAP_FBFETCH:
364      if (fd_device_version(screen->dev) >= FD_VERSION_GMEM_BASE &&
365          is_a6xx(screen))
366         return 1;
367      return 0;
368   case PIPE_CAP_SAMPLE_SHADING:
369      if (is_a6xx(screen))
370         return 1;
371      return 0;
372
373   case PIPE_CAP_CONTEXT_PRIORITY_MASK:
374      return screen->priority_mask;
375
376   case PIPE_CAP_DRAW_INDIRECT:
377      if (is_a4xx(screen) || is_a5xx(screen) || is_a6xx(screen))
378         return 1;
379      return 0;
380
381   case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
382      if (is_a4xx(screen) || is_a5xx(screen) || is_a6xx(screen))
383         return 1;
384      return 0;
385
386   case PIPE_CAP_LOAD_CONSTBUF:
387      /* name is confusing, but this turns on std430 packing */
388      if (is_ir3(screen))
389         return 1;
390      return 0;
391
392   case PIPE_CAP_NIR_IMAGES_AS_DEREF:
393      return 0;
394
395   case PIPE_CAP_MAX_VIEWPORTS:
396      return 1;
397
398   case PIPE_CAP_MAX_VARYINGS:
399      return is_a6xx(screen) ? 31 : 16;
400
401   case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
402      /* We don't really have a limit on this, it all goes into the main
403       * memory buffer. Needs to be at least 120 / 4 (minimum requirement
404       * for GL_MAX_TESS_PATCH_COMPONENTS).
405       */
406      return 128;
407
408   case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET:
409      return 64 * 1024 * 1024;
410
411   case PIPE_CAP_SHAREABLE_SHADERS:
412   case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
413      if (is_ir3(screen))
414         return 1;
415      return 0;
416
417   /* Geometry shaders.. */
418   case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
419      return 512;
420   case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
421      return 2048;
422   case PIPE_CAP_MAX_GS_INVOCATIONS:
423      return 32;
424
425   /* Only a2xx has the half-border clamp mode in HW, just have mesa/st lower
426    * it for later HW.
427    */
428   case PIPE_CAP_GL_CLAMP:
429      return is_a2xx(screen);
430
431   case PIPE_CAP_CLIP_PLANES:
432      /* On a3xx, there is HW support for GL user clip planes that
433       * occasionally has to fall back to shader key-based lowering to clip
434       * distances in the VS, and we don't support clip distances so that is
435       * always shader-based lowering in the FS.
436       *
437       * On a4xx, there is no HW support for clip planes, so they are
438       * always lowered to clip distances.  We also lack SW support for the
439       * HW's clip distances in HW, so we do shader-based lowering in the FS
440       * in the driver backend.
441       *
442       * On a5xx-a6xx, we have the HW clip distances hooked up, so we just let
443       * mesa/st lower desktop GL's clip planes to clip distances in the last
444       * vertex shader stage.
445       */
446      return !is_a5xx(screen) && !is_a6xx(screen);
447
448   /* Stream output. */
449   case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
450      if (is_ir3(screen))
451         return PIPE_MAX_SO_BUFFERS;
452      return 0;
453   case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
454   case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
455   case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
456   case PIPE_CAP_TGSI_TEXCOORD:
457      if (is_ir3(screen))
458         return 1;
459      return 0;
460   case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
461      return 1;
462   case PIPE_CAP_TGSI_FS_POINT_IS_SYSVAL:
463      return is_a2xx(screen);
464   case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
465   case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
466      if (is_ir3(screen))
467         return 16 * 4; /* should only be shader out limit? */
468      return 0;
469
470   /* Texturing. */
471   case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
472      if (is_a6xx(screen) || is_a5xx(screen) || is_a4xx(screen))
473         return 16384;
474      else
475         return 8192;
476   case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
477      if (is_a6xx(screen) || is_a5xx(screen) || is_a4xx(screen))
478         return 15;
479      else
480         return 14;
481   case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
482      return 11;
483
484   case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
485      return (is_a3xx(screen) || is_a4xx(screen) || is_a5xx(screen) ||
486              is_a6xx(screen))
487                ? 256
488                : 0;
489
490   /* Render targets. */
491   case PIPE_CAP_MAX_RENDER_TARGETS:
492      return screen->max_rts;
493   case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
494      return (is_a3xx(screen) || is_a6xx(screen)) ? 1 : 0;
495
496   /* Queries. */
497   case PIPE_CAP_OCCLUSION_QUERY:
498      return is_a3xx(screen) || is_a4xx(screen) || is_a5xx(screen) ||
499             is_a6xx(screen);
500   case PIPE_CAP_QUERY_TIMESTAMP:
501   case PIPE_CAP_QUERY_TIME_ELAPSED:
502      /* only a4xx, requires new enough kernel so we know max_freq: */
503      return (screen->max_freq > 0) &&
504             (is_a4xx(screen) || is_a5xx(screen) || is_a6xx(screen));
505
506   case PIPE_CAP_VENDOR_ID:
507      return 0x5143;
508   case PIPE_CAP_DEVICE_ID:
509      return 0xFFFFFFFF;
510   case PIPE_CAP_ACCELERATED:
511      return 1;
512   case PIPE_CAP_VIDEO_MEMORY:
513      DBG("FINISHME: The value returned is incorrect\n");
514      return 10;
515   case PIPE_CAP_UMA:
516      return 1;
517   case PIPE_CAP_MEMOBJ:
518      return fd_device_version(screen->dev) >= FD_VERSION_MEMORY_FD;
519   case PIPE_CAP_NATIVE_FENCE_FD:
520      return fd_device_version(screen->dev) >= FD_VERSION_FENCE_FD;
521   case PIPE_CAP_FENCE_SIGNAL:
522      return screen->has_syncobj;
523   case PIPE_CAP_CULL_DISTANCE:
524      return is_a6xx(screen);
525   case PIPE_CAP_SHADER_STENCIL_EXPORT:
526      return is_a6xx(screen);
527   case PIPE_CAP_TWO_SIDED_COLOR:
528      return 0;
529   default:
530      return u_pipe_screen_get_param_defaults(pscreen, param);
531   }
532}
533
534static float
535fd_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
536{
537   switch (param) {
538   case PIPE_CAPF_MAX_LINE_WIDTH:
539   case PIPE_CAPF_MAX_LINE_WIDTH_AA:
540      /* NOTE: actual value is 127.0f, but this is working around a deqp
541       * bug.. dEQP-GLES3.functional.rasterization.primitives.lines_wide
542       * uses too small of a render target size, and gets confused when
543       * the lines start going offscreen.
544       *
545       * See: https://code.google.com/p/android/issues/detail?id=206513
546       */
547      if (FD_DBG(DEQP))
548         return 48.0f;
549      return 127.0f;
550   case PIPE_CAPF_MAX_POINT_WIDTH:
551   case PIPE_CAPF_MAX_POINT_WIDTH_AA:
552      return 4092.0f;
553   case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
554      return 16.0f;
555   case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
556      return 15.0f;
557   case PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE:
558   case PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE:
559   case PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY:
560      return 0.0f;
561   }
562   mesa_loge("unknown paramf %d", param);
563   return 0;
564}
565
566static int
567fd_screen_get_shader_param(struct pipe_screen *pscreen,
568                           enum pipe_shader_type shader,
569                           enum pipe_shader_cap param)
570{
571   struct fd_screen *screen = fd_screen(pscreen);
572
573   switch (shader) {
574   case PIPE_SHADER_FRAGMENT:
575   case PIPE_SHADER_VERTEX:
576      break;
577   case PIPE_SHADER_TESS_CTRL:
578   case PIPE_SHADER_TESS_EVAL:
579   case PIPE_SHADER_GEOMETRY:
580      if (is_a6xx(screen))
581         break;
582      return 0;
583   case PIPE_SHADER_COMPUTE:
584      if (has_compute(screen))
585         break;
586      return 0;
587   default:
588      mesa_loge("unknown shader type %d", shader);
589      return 0;
590   }
591
592   /* this is probably not totally correct.. but it's a start: */
593   switch (param) {
594   case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
595   case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
596   case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
597   case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
598      return 16384;
599   case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
600      return 8; /* XXX */
601   case PIPE_SHADER_CAP_MAX_INPUTS:
602      if (shader == PIPE_SHADER_GEOMETRY && is_a6xx(screen))
603         return 16;
604      return is_a6xx(screen) ? 32 : 16;
605   case PIPE_SHADER_CAP_MAX_OUTPUTS:
606      return is_a6xx(screen) ? 32 : 16;
607   case PIPE_SHADER_CAP_MAX_TEMPS:
608      return 64; /* Max native temporaries. */
609   case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
610      /* NOTE: seems to be limit for a3xx is actually 512 but
611       * split between VS and FS.  Use lower limit of 256 to
612       * avoid getting into impossible situations:
613       */
614      return ((is_a3xx(screen) || is_a4xx(screen) || is_a5xx(screen) ||
615               is_a6xx(screen))
616                 ? 4096
617                 : 64) *
618             sizeof(float[4]);
619   case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
620      return is_ir3(screen) ? 16 : 1;
621   case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
622      return 1;
623   case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
624   case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
625   case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
626   case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
627      /* a2xx compiler doesn't handle indirect: */
628      return is_ir3(screen) ? 1 : 0;
629   case PIPE_SHADER_CAP_SUBROUTINES:
630   case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
631   case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
632   case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
633   case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
634   case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
635   case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
636   case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
637   case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
638   case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
639      return 0;
640   case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
641      return 1;
642   case PIPE_SHADER_CAP_INTEGERS:
643      return is_ir3(screen) ? 1 : 0;
644   case PIPE_SHADER_CAP_INT64_ATOMICS:
645   case PIPE_SHADER_CAP_FP16_DERIVATIVES:
646   case PIPE_SHADER_CAP_FP16_CONST_BUFFERS:
647   case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS:
648      return 0;
649   case PIPE_SHADER_CAP_INT16:
650   case PIPE_SHADER_CAP_FP16:
651      return (
652         (is_a5xx(screen) || is_a6xx(screen)) &&
653         (shader == PIPE_SHADER_COMPUTE || shader == PIPE_SHADER_FRAGMENT) &&
654         !FD_DBG(NOFP16));
655   case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
656   case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
657      return 16;
658   case PIPE_SHADER_CAP_PREFERRED_IR:
659      return PIPE_SHADER_IR_NIR;
660   case PIPE_SHADER_CAP_SUPPORTED_IRS:
661      return (1 << PIPE_SHADER_IR_NIR) | (1 << PIPE_SHADER_IR_TGSI);
662   case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
663      return 32;
664   case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
665   case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
666      if (is_a5xx(screen) || is_a6xx(screen)) {
667         /* a5xx (and a4xx for that matter) has one state-block
668          * for compute-shader SSBO's and another that is shared
669          * by VS/HS/DS/GS/FS..  so to simplify things for now
670          * just advertise SSBOs for FS and CS.  We could possibly
671          * do what blob does, and partition the space for
672          * VS/HS/DS/GS/FS.  The blob advertises:
673          *
674          *   GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS: 4
675          *   GL_MAX_GEOMETRY_SHADER_STORAGE_BLOCKS: 4
676          *   GL_MAX_TESS_CONTROL_SHADER_STORAGE_BLOCKS: 4
677          *   GL_MAX_TESS_EVALUATION_SHADER_STORAGE_BLOCKS: 4
678          *   GL_MAX_FRAGMENT_SHADER_STORAGE_BLOCKS: 4
679          *   GL_MAX_COMPUTE_SHADER_STORAGE_BLOCKS: 24
680          *   GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS: 24
681          *
682          * I think that way we could avoid having to patch shaders
683          * for actual SSBO indexes by using a static partitioning.
684          *
685          * Note same state block is used for images and buffers,
686          * but images also need texture state for read access
687          * (isam/isam.3d)
688          */
689         switch (shader) {
690         case PIPE_SHADER_FRAGMENT:
691         case PIPE_SHADER_COMPUTE:
692            return 24;
693         default:
694            return 0;
695         }
696      }
697      return 0;
698   }
699   mesa_loge("unknown shader param %d", param);
700   return 0;
701}
702
703/* TODO depending on how much the limits differ for a3xx/a4xx, maybe move this
704 * into per-generation backend?
705 */
706static int
707fd_get_compute_param(struct pipe_screen *pscreen, enum pipe_shader_ir ir_type,
708                     enum pipe_compute_cap param, void *ret)
709{
710   struct fd_screen *screen = fd_screen(pscreen);
711   const char *const ir = "ir3";
712
713   if (!has_compute(screen))
714      return 0;
715
716#define RET(x)                                                                 \
717   do {                                                                        \
718      if (ret)                                                                 \
719         memcpy(ret, x, sizeof(x));                                            \
720      return sizeof(x);                                                        \
721   } while (0)
722
723   switch (param) {
724   case PIPE_COMPUTE_CAP_ADDRESS_BITS:
725      // don't expose 64b pointer support yet, until ir3 supports 64b
726      // math, otherwise spir64 target is used and we get 64b pointer
727      // calculations that we can't do yet
728      //		if (is_a5xx(screen))
729      //			RET((uint32_t []){ 64 });
730      RET((uint32_t[]){32});
731
732   case PIPE_COMPUTE_CAP_IR_TARGET:
733      if (ret)
734         sprintf(ret, "%s", ir);
735      return strlen(ir) * sizeof(char);
736
737   case PIPE_COMPUTE_CAP_GRID_DIMENSION:
738      RET((uint64_t[]){3});
739
740   case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
741      RET(((uint64_t[]){65535, 65535, 65535}));
742
743   case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
744      RET(((uint64_t[]){1024, 1024, 64}));
745
746   case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
747      RET((uint64_t[]){1024});
748
749   case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
750      RET((uint64_t[]){screen->ram_size});
751
752   case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
753      RET((uint64_t[]){32768});
754
755   case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE:
756   case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
757      RET((uint64_t[]){4096});
758
759   case PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE:
760      RET((uint64_t[]){screen->ram_size});
761
762   case PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY:
763      RET((uint32_t[]){screen->max_freq / 1000000});
764
765   case PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS:
766      RET((uint32_t[]){9999}); // TODO
767
768   case PIPE_COMPUTE_CAP_IMAGES_SUPPORTED:
769      RET((uint32_t[]){1});
770
771   case PIPE_COMPUTE_CAP_SUBGROUP_SIZE:
772      RET((uint32_t[]){32}); // TODO
773
774   case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
775      RET((uint64_t[]){1024}); // TODO
776   }
777
778   return 0;
779}
780
781static const void *
782fd_get_compiler_options(struct pipe_screen *pscreen, enum pipe_shader_ir ir,
783                        unsigned shader)
784{
785   struct fd_screen *screen = fd_screen(pscreen);
786
787   if (is_ir3(screen))
788      return ir3_get_compiler_options(screen->compiler);
789
790   return ir2_get_compiler_options();
791}
792
793static struct disk_cache *
794fd_get_disk_shader_cache(struct pipe_screen *pscreen)
795{
796   struct fd_screen *screen = fd_screen(pscreen);
797
798   if (is_ir3(screen)) {
799      struct ir3_compiler *compiler = screen->compiler;
800      return compiler->disk_cache;
801   }
802
803   return NULL;
804}
805
806bool
807fd_screen_bo_get_handle(struct pipe_screen *pscreen, struct fd_bo *bo,
808                        struct renderonly_scanout *scanout, unsigned stride,
809                        struct winsys_handle *whandle)
810{
811   struct fd_screen *screen = fd_screen(pscreen);
812
813   whandle->stride = stride;
814
815   if (whandle->type == WINSYS_HANDLE_TYPE_SHARED) {
816      return fd_bo_get_name(bo, &whandle->handle) == 0;
817   } else if (whandle->type == WINSYS_HANDLE_TYPE_KMS) {
818      if (screen->ro) {
819         return renderonly_get_handle(scanout, whandle);
820      } else {
821         whandle->handle = fd_bo_handle(bo);
822         return true;
823      }
824   } else if (whandle->type == WINSYS_HANDLE_TYPE_FD) {
825      whandle->handle = fd_bo_dmabuf(bo);
826      return true;
827   } else {
828      return false;
829   }
830}
831
832static void
833fd_screen_query_dmabuf_modifiers(struct pipe_screen *pscreen,
834                                 enum pipe_format format, int max,
835                                 uint64_t *modifiers,
836                                 unsigned int *external_only, int *count)
837{
838   struct fd_screen *screen = fd_screen(pscreen);
839   int i, num = 0;
840
841   max = MIN2(max, screen->num_supported_modifiers);
842
843   if (!max) {
844      max = screen->num_supported_modifiers;
845      external_only = NULL;
846      modifiers = NULL;
847   }
848
849   for (i = 0; i < max; i++) {
850      if (modifiers)
851         modifiers[num] = screen->supported_modifiers[i];
852
853      if (external_only)
854         external_only[num] = 0;
855
856      num++;
857   }
858
859   *count = num;
860}
861
862static bool
863fd_screen_is_dmabuf_modifier_supported(struct pipe_screen *pscreen,
864                                       uint64_t modifier,
865                                       enum pipe_format format,
866                                       bool *external_only)
867{
868   struct fd_screen *screen = fd_screen(pscreen);
869   int i;
870
871   for (i = 0; i < screen->num_supported_modifiers; i++) {
872      if (modifier == screen->supported_modifiers[i]) {
873         if (external_only)
874            *external_only = false;
875
876         return true;
877      }
878   }
879
880   return false;
881}
882
883struct fd_bo *
884fd_screen_bo_from_handle(struct pipe_screen *pscreen,
885                         struct winsys_handle *whandle)
886{
887   struct fd_screen *screen = fd_screen(pscreen);
888   struct fd_bo *bo;
889
890   if (whandle->type == WINSYS_HANDLE_TYPE_SHARED) {
891      bo = fd_bo_from_name(screen->dev, whandle->handle);
892   } else if (whandle->type == WINSYS_HANDLE_TYPE_KMS) {
893      bo = fd_bo_from_handle(screen->dev, whandle->handle, 0);
894   } else if (whandle->type == WINSYS_HANDLE_TYPE_FD) {
895      bo = fd_bo_from_dmabuf(screen->dev, whandle->handle);
896   } else {
897      DBG("Attempt to import unsupported handle type %d", whandle->type);
898      return NULL;
899   }
900
901   if (!bo) {
902      DBG("ref name 0x%08x failed", whandle->handle);
903      return NULL;
904   }
905
906   return bo;
907}
908
909static void
910_fd_fence_ref(struct pipe_screen *pscreen, struct pipe_fence_handle **ptr,
911              struct pipe_fence_handle *pfence)
912{
913   fd_fence_ref(ptr, pfence);
914}
915
916static void
917fd_screen_get_device_uuid(struct pipe_screen *pscreen, char *uuid)
918{
919   struct fd_screen *screen = fd_screen(pscreen);
920
921   fd_get_device_uuid(uuid, screen->dev_id);
922}
923
924static void
925fd_screen_get_driver_uuid(struct pipe_screen *pscreen, char *uuid)
926{
927   fd_get_driver_uuid(uuid);
928}
929
930struct pipe_screen *
931fd_screen_create(struct fd_device *dev, struct renderonly *ro,
932                 const struct pipe_screen_config *config)
933{
934   struct fd_screen *screen = CALLOC_STRUCT(fd_screen);
935   struct pipe_screen *pscreen;
936   uint64_t val;
937
938   fd_mesa_debug = debug_get_option_fd_mesa_debug();
939
940   if (FD_DBG(NOBIN))
941      fd_binning_enabled = false;
942
943   if (!screen)
944      return NULL;
945
946#ifdef HAVE_PERFETTO
947   fd_perfetto_init();
948#endif
949
950   pscreen = &screen->base;
951
952   screen->dev = dev;
953   screen->ro = ro;
954   screen->refcnt = 1;
955
956   // maybe this should be in context?
957   screen->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
958   if (!screen->pipe) {
959      DBG("could not create 3d pipe");
960      goto fail;
961   }
962
963   if (fd_pipe_get_param(screen->pipe, FD_GMEM_SIZE, &val)) {
964      DBG("could not get GMEM size");
965      goto fail;
966   }
967   screen->gmemsize_bytes = env_var_as_unsigned("FD_MESA_GMEM", val);
968
969   if (fd_device_version(dev) >= FD_VERSION_GMEM_BASE) {
970      fd_pipe_get_param(screen->pipe, FD_GMEM_BASE, &screen->gmem_base);
971   }
972
973   if (fd_pipe_get_param(screen->pipe, FD_MAX_FREQ, &val)) {
974      DBG("could not get gpu freq");
975      /* this limits what performance related queries are
976       * supported but is not fatal
977       */
978      screen->max_freq = 0;
979   } else {
980      screen->max_freq = val;
981      if (fd_pipe_get_param(screen->pipe, FD_TIMESTAMP, &val) == 0)
982         screen->has_timestamp = true;
983   }
984
985   screen->dev_id = fd_pipe_dev_id(screen->pipe);
986
987   if (fd_pipe_get_param(screen->pipe, FD_GPU_ID, &val)) {
988      DBG("could not get gpu-id");
989      goto fail;
990   }
991   screen->gpu_id = val;
992
993   if (fd_pipe_get_param(screen->pipe, FD_CHIP_ID, &val)) {
994      DBG("could not get chip-id");
995      /* older kernels may not have this property: */
996      unsigned core = screen->gpu_id / 100;
997      unsigned major = (screen->gpu_id % 100) / 10;
998      unsigned minor = screen->gpu_id % 10;
999      unsigned patch = 0; /* assume the worst */
1000      val = (patch & 0xff) | ((minor & 0xff) << 8) | ((major & 0xff) << 16) |
1001            ((core & 0xff) << 24);
1002   }
1003   screen->chip_id = val;
1004   screen->gen = fd_dev_gen(screen->dev_id);
1005
1006   if (fd_pipe_get_param(screen->pipe, FD_NR_RINGS, &val)) {
1007      DBG("could not get # of rings");
1008      screen->priority_mask = 0;
1009   } else {
1010      /* # of rings equates to number of unique priority values: */
1011      screen->priority_mask = (1 << val) - 1;
1012   }
1013
1014   if (fd_device_version(dev) >= FD_VERSION_ROBUSTNESS)
1015      screen->has_robustness = true;
1016
1017   screen->has_syncobj = fd_has_syncobj(screen->dev);
1018
1019   /* parse driconf configuration now for device specific overrides: */
1020   driParseConfigFiles(config->options, config->options_info, 0, "msm",
1021                       NULL, fd_dev_name(screen->dev_id), NULL, 0, NULL, 0);
1022
1023   struct sysinfo si;
1024   sysinfo(&si);
1025   screen->ram_size = si.totalram;
1026
1027   DBG("Pipe Info:");
1028   DBG(" GPU-id:          %s", fd_dev_name(screen->dev_id));
1029   DBG(" Chip-id:         0x%016"PRIx64, screen->chip_id);
1030   DBG(" GMEM size:       0x%08x", screen->gmemsize_bytes);
1031
1032   const struct fd_dev_info *info = fd_dev_info(screen->dev_id);
1033   if (!info) {
1034      mesa_loge("unsupported GPU: a%03d", screen->gpu_id);
1035      goto fail;
1036   }
1037
1038   screen->info = info;
1039
1040   /* explicitly checking for GPU revisions that are known to work.  This
1041    * may be overly conservative for a3xx, where spoofing the gpu_id with
1042    * the blob driver seems to generate identical cmdstream dumps.  But
1043    * on a2xx, there seem to be small differences between the GPU revs
1044    * so it is probably better to actually test first on real hardware
1045    * before enabling:
1046    *
1047    * If you have a different adreno version, feel free to add it to one
1048    * of the cases below and see what happens.  And if it works, please
1049    * send a patch ;-)
1050    */
1051   switch (screen->gen) {
1052   case 2:
1053      fd2_screen_init(pscreen);
1054      break;
1055   case 3:
1056      fd3_screen_init(pscreen);
1057      break;
1058   case 4:
1059      fd4_screen_init(pscreen);
1060      break;
1061   case 5:
1062      fd5_screen_init(pscreen);
1063      break;
1064   case 6:
1065      fd6_screen_init(pscreen);
1066      break;
1067   default:
1068      mesa_loge("unsupported GPU generation: a%uxx", screen->gen);
1069      goto fail;
1070   }
1071
1072   /* fdN_screen_init() should set this: */
1073   assert(screen->primtypes);
1074   screen->primtypes_mask = 0;
1075   for (unsigned i = 0; i <= PIPE_PRIM_MAX; i++)
1076      if (screen->primtypes[i])
1077         screen->primtypes_mask |= (1 << i);
1078
1079   if (FD_DBG(PERFC)) {
1080      screen->perfcntr_groups =
1081         fd_perfcntrs(screen->dev_id, &screen->num_perfcntr_groups);
1082   }
1083
1084   /* NOTE: don't enable if we have too old of a kernel to support
1085    * growable cmdstream buffers, since memory requirement for cmdstream
1086    * buffers would be too much otherwise.
1087    */
1088   if (fd_device_version(dev) >= FD_VERSION_UNLIMITED_CMDS)
1089      screen->reorder = !FD_DBG(INORDER);
1090
1091   fd_bc_init(&screen->batch_cache);
1092
1093   list_inithead(&screen->context_list);
1094
1095   util_idalloc_mt_init_tc(&screen->buffer_ids);
1096
1097   (void)simple_mtx_init(&screen->lock, mtx_plain);
1098
1099   pscreen->destroy = fd_screen_destroy;
1100   pscreen->get_param = fd_screen_get_param;
1101   pscreen->get_paramf = fd_screen_get_paramf;
1102   pscreen->get_shader_param = fd_screen_get_shader_param;
1103   pscreen->get_compute_param = fd_get_compute_param;
1104   pscreen->get_compiler_options = fd_get_compiler_options;
1105   pscreen->get_disk_shader_cache = fd_get_disk_shader_cache;
1106
1107   fd_resource_screen_init(pscreen);
1108   fd_query_screen_init(pscreen);
1109   fd_gmem_screen_init(pscreen);
1110
1111   pscreen->get_name = fd_screen_get_name;
1112   pscreen->get_vendor = fd_screen_get_vendor;
1113   pscreen->get_device_vendor = fd_screen_get_device_vendor;
1114
1115   pscreen->get_timestamp = fd_screen_get_timestamp;
1116
1117   pscreen->fence_reference = _fd_fence_ref;
1118   pscreen->fence_finish = fd_fence_finish;
1119   pscreen->fence_get_fd = fd_fence_get_fd;
1120
1121   pscreen->query_dmabuf_modifiers = fd_screen_query_dmabuf_modifiers;
1122   pscreen->is_dmabuf_modifier_supported =
1123      fd_screen_is_dmabuf_modifier_supported;
1124
1125   pscreen->get_device_uuid = fd_screen_get_device_uuid;
1126   pscreen->get_driver_uuid = fd_screen_get_driver_uuid;
1127
1128   slab_create_parent(&screen->transfer_pool, sizeof(struct fd_transfer), 16);
1129
1130   return pscreen;
1131
1132fail:
1133   fd_screen_destroy(pscreen);
1134   return NULL;
1135}
1136