1 /*
2 * Copyright © 2014-2017 Broadcom
3 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 * IN THE SOFTWARE.
23 */
24
25 #include "os/os_misc.h"
26 #include "pipe/p_defines.h"
27 #include "pipe/p_screen.h"
28 #include "pipe/p_state.h"
29
30 #include "util/u_debug.h"
31 #include "util/u_memory.h"
32 #include "util/u_format.h"
33 #include "util/u_hash_table.h"
34 #include "util/ralloc.h"
35
36 #include <xf86drm.h>
37 #include "vc5_drm.h"
38 #include "vc5_screen.h"
39 #include "vc5_context.h"
40 #include "vc5_resource.h"
41 #include "compiler/v3d_compiler.h"
42
43 static const char *
vc5_screen_get_name(struct pipe_screen * pscreen)44 vc5_screen_get_name(struct pipe_screen *pscreen)
45 {
46 struct vc5_screen *screen = vc5_screen(pscreen);
47
48 if (!screen->name) {
49 screen->name = ralloc_asprintf(screen,
50 "VC5 V3D %d.%d",
51 screen->devinfo.ver / 10,
52 screen->devinfo.ver % 10);
53 }
54
55 return screen->name;
56 }
57
58 static const char *
vc5_screen_get_vendor(struct pipe_screen * pscreen)59 vc5_screen_get_vendor(struct pipe_screen *pscreen)
60 {
61 return "Broadcom";
62 }
63
64 static void
vc5_screen_destroy(struct pipe_screen * pscreen)65 vc5_screen_destroy(struct pipe_screen *pscreen)
66 {
67 struct vc5_screen *screen = vc5_screen(pscreen);
68
69 util_hash_table_destroy(screen->bo_handles);
70 vc5_bufmgr_destroy(pscreen);
71 slab_destroy_parent(&screen->transfer_pool);
72
73 if (using_vc5_simulator)
74 vc5_simulator_destroy(screen);
75
76 v3d_compiler_free(screen->compiler);
77
78 close(screen->fd);
79 ralloc_free(pscreen);
80 }
81
82 static int
vc5_screen_get_param(struct pipe_screen * pscreen,enum pipe_cap param)83 vc5_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
84 {
85 struct vc5_screen *screen = vc5_screen(pscreen);
86
87 switch (param) {
88 /* Supported features (boolean caps). */
89 case PIPE_CAP_VERTEX_COLOR_CLAMPED:
90 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
91 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
92 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
93 case PIPE_CAP_NPOT_TEXTURES:
94 case PIPE_CAP_SHAREABLE_SHADERS:
95 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
96 case PIPE_CAP_TEXTURE_MULTISAMPLE:
97 case PIPE_CAP_TEXTURE_SWIZZLE:
98 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
99 case PIPE_CAP_START_INSTANCE:
100 case PIPE_CAP_TGSI_INSTANCEID:
101 case PIPE_CAP_SM3:
102 case PIPE_CAP_TEXTURE_QUERY_LOD:
103 case PIPE_CAP_PRIMITIVE_RESTART:
104 case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
105 case PIPE_CAP_OCCLUSION_QUERY:
106 case PIPE_CAP_POINT_SPRITE:
107 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
108 case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
109 case PIPE_CAP_COMPUTE:
110 case PIPE_CAP_DRAW_INDIRECT:
111 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
112 case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
113 return 1;
114
115 case PIPE_CAP_INDEP_BLEND_ENABLE:
116 return screen->devinfo.ver >= 40;
117
118 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
119 return 256;
120
121 case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
122 return 4;
123
124 case PIPE_CAP_GLSL_FEATURE_LEVEL:
125 return 400;
126
127 case PIPE_CAP_MAX_VIEWPORTS:
128 return 1;
129
130 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
131 return 1;
132 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
133 return 0;
134 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
135 if (screen->devinfo.ver >= 40)
136 return 0;
137 else
138 return 1;
139 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
140 if (screen->devinfo.ver >= 40)
141 return 1;
142 else
143 return 0;
144
145 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
146 case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
147 return 1;
148
149
150 /* Stream output. */
151 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
152 return 4;
153 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
154 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
155 return 64;
156
157 case PIPE_CAP_MIN_TEXEL_OFFSET:
158 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
159 return -8;
160 case PIPE_CAP_MAX_TEXEL_OFFSET:
161 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
162 return 7;
163
164 /* Unsupported features. */
165 case PIPE_CAP_ANISOTROPIC_FILTER:
166 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
167 case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
168 case PIPE_CAP_CUBE_MAP_ARRAY:
169 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
170 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
171 case PIPE_CAP_SEAMLESS_CUBE_MAP:
172 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
173 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
174 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
175 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
176 case PIPE_CAP_SHADER_STENCIL_EXPORT:
177 case PIPE_CAP_TGSI_TEXCOORD:
178 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
179 case PIPE_CAP_CONDITIONAL_RENDER:
180 case PIPE_CAP_TEXTURE_BARRIER:
181 case PIPE_CAP_INDEP_BLEND_FUNC:
182 case PIPE_CAP_DEPTH_CLIP_DISABLE:
183 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
184 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
185 case PIPE_CAP_USER_VERTEX_BUFFERS:
186 case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
187 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
188 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
189 case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
190 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
191 case PIPE_CAP_TEXTURE_GATHER_SM5:
192 case PIPE_CAP_FAKE_SW_MSAA:
193 case PIPE_CAP_SAMPLE_SHADING:
194 case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
195 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
196 case PIPE_CAP_MAX_VERTEX_STREAMS:
197 case PIPE_CAP_MULTI_DRAW_INDIRECT:
198 case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
199 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
200 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
201 case PIPE_CAP_SAMPLER_VIEW_TARGET:
202 case PIPE_CAP_CLIP_HALFZ:
203 case PIPE_CAP_VERTEXID_NOBASE:
204 case PIPE_CAP_POLYGON_OFFSET_CLAMP:
205 case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
206 case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
207 case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
208 case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
209 case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
210 case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
211 case PIPE_CAP_DEPTH_BOUNDS_TEST:
212 case PIPE_CAP_TGSI_TXQS:
213 case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
214 case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
215 case PIPE_CAP_CLEAR_TEXTURE:
216 case PIPE_CAP_DRAW_PARAMETERS:
217 case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
218 case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
219 case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
220 case PIPE_CAP_INVALIDATE_BUFFER:
221 case PIPE_CAP_GENERATE_MIPMAP:
222 case PIPE_CAP_STRING_MARKER:
223 case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
224 case PIPE_CAP_QUERY_BUFFER_OBJECT:
225 case PIPE_CAP_QUERY_MEMORY_INFO:
226 case PIPE_CAP_PCI_GROUP:
227 case PIPE_CAP_PCI_BUS:
228 case PIPE_CAP_PCI_DEVICE:
229 case PIPE_CAP_PCI_FUNCTION:
230 case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
231 case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
232 case PIPE_CAP_CULL_DISTANCE:
233 case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
234 case PIPE_CAP_TGSI_VOTE:
235 case PIPE_CAP_MAX_WINDOW_RECTANGLES:
236 case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
237 case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
238 case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
239 case PIPE_CAP_TGSI_FS_FBFETCH:
240 case PIPE_CAP_INT64:
241 case PIPE_CAP_INT64_DIVMOD:
242 case PIPE_CAP_DOUBLES:
243 case PIPE_CAP_BINDLESS_TEXTURE:
244 case PIPE_CAP_POST_DEPTH_COVERAGE:
245 case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
246 case PIPE_CAP_TGSI_BALLOT:
247 case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
248 case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
249 case PIPE_CAP_TGSI_CLOCK:
250 case PIPE_CAP_TGSI_TEX_TXF_LZ:
251 case PIPE_CAP_NATIVE_FENCE_FD:
252 case PIPE_CAP_TGSI_MUL_ZERO_WINS:
253 case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
254 case PIPE_CAP_QUERY_SO_OVERFLOW:
255 case PIPE_CAP_MEMOBJ:
256 case PIPE_CAP_LOAD_CONSTBUF:
257 case PIPE_CAP_TILE_RASTER_ORDER:
258 case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
259 case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
260 case PIPE_CAP_CONTEXT_PRIORITY_MASK:
261 return 0;
262
263 /* Geometry shader output, unsupported. */
264 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
265 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
266 return 0;
267
268 /* Texturing. */
269 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
270 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
271 return VC5_MAX_MIP_LEVELS;
272 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
273 return 256;
274 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
275 return 2048;
276
277 /* Render targets. */
278 case PIPE_CAP_MAX_RENDER_TARGETS:
279 return 4;
280
281 /* Queries. */
282 case PIPE_CAP_QUERY_TIME_ELAPSED:
283 case PIPE_CAP_QUERY_TIMESTAMP:
284 return 0;
285
286 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
287 return 2048;
288
289 case PIPE_CAP_ENDIANNESS:
290 return PIPE_ENDIAN_LITTLE;
291
292 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
293 return 64;
294
295 case PIPE_CAP_VENDOR_ID:
296 return 0x14E4;
297 case PIPE_CAP_DEVICE_ID:
298 return 0xFFFFFFFF;
299 case PIPE_CAP_ACCELERATED:
300 return 1;
301 case PIPE_CAP_VIDEO_MEMORY: {
302 uint64_t system_memory;
303
304 if (!os_get_total_physical_memory(&system_memory))
305 return 0;
306
307 return (int)(system_memory >> 20);
308 }
309 case PIPE_CAP_UMA:
310 return 1;
311
312 default:
313 fprintf(stderr, "unknown param %d\n", param);
314 return 0;
315 }
316 }
317
318 static float
vc5_screen_get_paramf(struct pipe_screen * pscreen,enum pipe_capf param)319 vc5_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
320 {
321 switch (param) {
322 case PIPE_CAPF_MAX_LINE_WIDTH:
323 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
324 return 32;
325
326 case PIPE_CAPF_MAX_POINT_WIDTH:
327 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
328 return 512.0f;
329
330 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
331 return 0.0f;
332 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
333 return 16.0f;
334 case PIPE_CAPF_GUARD_BAND_LEFT:
335 case PIPE_CAPF_GUARD_BAND_TOP:
336 case PIPE_CAPF_GUARD_BAND_RIGHT:
337 case PIPE_CAPF_GUARD_BAND_BOTTOM:
338 return 0.0f;
339 default:
340 fprintf(stderr, "unknown paramf %d\n", param);
341 return 0;
342 }
343 }
344
345 static int
vc5_screen_get_shader_param(struct pipe_screen * pscreen,unsigned shader,enum pipe_shader_cap param)346 vc5_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
347 enum pipe_shader_cap param)
348 {
349 if (shader != PIPE_SHADER_VERTEX &&
350 shader != PIPE_SHADER_FRAGMENT) {
351 return 0;
352 }
353
354 /* this is probably not totally correct.. but it's a start: */
355 switch (param) {
356 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
357 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
358 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
359 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
360 return 16384;
361
362 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
363 return UINT_MAX;
364
365 case PIPE_SHADER_CAP_MAX_INPUTS:
366 if (shader == PIPE_SHADER_FRAGMENT)
367 return VC5_MAX_FS_INPUTS / 4;
368 else
369 return 16;
370 case PIPE_SHADER_CAP_MAX_OUTPUTS:
371 if (shader == PIPE_SHADER_FRAGMENT)
372 return 4;
373 else
374 return VC5_MAX_FS_INPUTS / 4;
375 case PIPE_SHADER_CAP_MAX_TEMPS:
376 return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
377 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
378 return 16 * 1024 * sizeof(float);
379 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
380 return 16;
381 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
382 return 0;
383 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
384 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
385 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
386 return 0;
387 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
388 return 1;
389 case PIPE_SHADER_CAP_SUBROUTINES:
390 return 0;
391 case PIPE_SHADER_CAP_INTEGERS:
392 return 1;
393 case PIPE_SHADER_CAP_FP16:
394 case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
395 case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
396 case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
397 case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
398 case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
399 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
400 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
401 case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
402 return 0;
403 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
404 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
405 case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
406 case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
407 return VC5_MAX_TEXTURE_SAMPLERS;
408 case PIPE_SHADER_CAP_PREFERRED_IR:
409 return PIPE_SHADER_IR_NIR;
410 case PIPE_SHADER_CAP_SUPPORTED_IRS:
411 return 0;
412 case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
413 return 32;
414 case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
415 case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
416 return 0;
417 default:
418 fprintf(stderr, "unknown shader param %d\n", param);
419 return 0;
420 }
421 return 0;
422 }
423
424 static boolean
vc5_screen_is_format_supported(struct pipe_screen * pscreen,enum pipe_format format,enum pipe_texture_target target,unsigned sample_count,unsigned usage)425 vc5_screen_is_format_supported(struct pipe_screen *pscreen,
426 enum pipe_format format,
427 enum pipe_texture_target target,
428 unsigned sample_count,
429 unsigned usage)
430 {
431 struct vc5_screen *screen = vc5_screen(pscreen);
432 unsigned retval = 0;
433
434 if (sample_count > 1 && sample_count != VC5_MAX_SAMPLES)
435 return FALSE;
436
437 if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
438 !util_format_is_supported(format, usage)) {
439 return FALSE;
440 }
441
442 if (usage & PIPE_BIND_VERTEX_BUFFER) {
443 switch (format) {
444 case PIPE_FORMAT_R32G32B32A32_FLOAT:
445 case PIPE_FORMAT_R32G32B32_FLOAT:
446 case PIPE_FORMAT_R32G32_FLOAT:
447 case PIPE_FORMAT_R32_FLOAT:
448 case PIPE_FORMAT_R32G32B32A32_SNORM:
449 case PIPE_FORMAT_R32G32B32_SNORM:
450 case PIPE_FORMAT_R32G32_SNORM:
451 case PIPE_FORMAT_R32_SNORM:
452 case PIPE_FORMAT_R32G32B32A32_SSCALED:
453 case PIPE_FORMAT_R32G32B32_SSCALED:
454 case PIPE_FORMAT_R32G32_SSCALED:
455 case PIPE_FORMAT_R32_SSCALED:
456 case PIPE_FORMAT_R16G16B16A16_UNORM:
457 case PIPE_FORMAT_R16G16B16_UNORM:
458 case PIPE_FORMAT_R16G16_UNORM:
459 case PIPE_FORMAT_R16_UNORM:
460 case PIPE_FORMAT_R16G16B16A16_SNORM:
461 case PIPE_FORMAT_R16G16B16_SNORM:
462 case PIPE_FORMAT_R16G16_SNORM:
463 case PIPE_FORMAT_R16_SNORM:
464 case PIPE_FORMAT_R16G16B16A16_USCALED:
465 case PIPE_FORMAT_R16G16B16_USCALED:
466 case PIPE_FORMAT_R16G16_USCALED:
467 case PIPE_FORMAT_R16_USCALED:
468 case PIPE_FORMAT_R16G16B16A16_SSCALED:
469 case PIPE_FORMAT_R16G16B16_SSCALED:
470 case PIPE_FORMAT_R16G16_SSCALED:
471 case PIPE_FORMAT_R16_SSCALED:
472 case PIPE_FORMAT_R8G8B8A8_UNORM:
473 case PIPE_FORMAT_R8G8B8_UNORM:
474 case PIPE_FORMAT_R8G8_UNORM:
475 case PIPE_FORMAT_R8_UNORM:
476 case PIPE_FORMAT_R8G8B8A8_SNORM:
477 case PIPE_FORMAT_R8G8B8_SNORM:
478 case PIPE_FORMAT_R8G8_SNORM:
479 case PIPE_FORMAT_R8_SNORM:
480 case PIPE_FORMAT_R8G8B8A8_USCALED:
481 case PIPE_FORMAT_R8G8B8_USCALED:
482 case PIPE_FORMAT_R8G8_USCALED:
483 case PIPE_FORMAT_R8_USCALED:
484 case PIPE_FORMAT_R8G8B8A8_SSCALED:
485 case PIPE_FORMAT_R8G8B8_SSCALED:
486 case PIPE_FORMAT_R8G8_SSCALED:
487 case PIPE_FORMAT_R8_SSCALED:
488 retval |= PIPE_BIND_VERTEX_BUFFER;
489 break;
490 default:
491 break;
492 }
493 }
494
495 if ((usage & PIPE_BIND_RENDER_TARGET) &&
496 vc5_rt_format_supported(&screen->devinfo, format)) {
497 retval |= PIPE_BIND_RENDER_TARGET;
498 }
499
500 if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
501 vc5_tex_format_supported(&screen->devinfo, format)) {
502 retval |= PIPE_BIND_SAMPLER_VIEW;
503 }
504
505 if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
506 (format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
507 format == PIPE_FORMAT_X8Z24_UNORM ||
508 format == PIPE_FORMAT_Z16_UNORM ||
509 format == PIPE_FORMAT_Z32_FLOAT ||
510 format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)) {
511 retval |= PIPE_BIND_DEPTH_STENCIL;
512 }
513
514 if ((usage & PIPE_BIND_INDEX_BUFFER) &&
515 (format == PIPE_FORMAT_I8_UINT ||
516 format == PIPE_FORMAT_I16_UINT ||
517 format == PIPE_FORMAT_I32_UINT)) {
518 retval |= PIPE_BIND_INDEX_BUFFER;
519 }
520
521 #if 0
522 if (retval != usage) {
523 fprintf(stderr,
524 "not supported: format=%s, target=%d, sample_count=%d, "
525 "usage=0x%x, retval=0x%x\n", util_format_name(format),
526 target, sample_count, usage, retval);
527 }
528 #endif
529
530 return retval == usage;
531 }
532
533 #define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
534
handle_hash(void * key)535 static unsigned handle_hash(void *key)
536 {
537 return PTR_TO_UINT(key);
538 }
539
handle_compare(void * key1,void * key2)540 static int handle_compare(void *key1, void *key2)
541 {
542 return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
543 }
544
545 static bool
vc5_get_device_info(struct vc5_screen * screen)546 vc5_get_device_info(struct vc5_screen *screen)
547 {
548 struct drm_vc5_get_param ident0 = {
549 .param = DRM_VC5_PARAM_V3D_CORE0_IDENT0,
550 };
551 struct drm_vc5_get_param ident1 = {
552 .param = DRM_VC5_PARAM_V3D_CORE0_IDENT1,
553 };
554 int ret;
555
556 ret = vc5_ioctl(screen->fd, DRM_IOCTL_VC5_GET_PARAM, &ident0);
557 if (ret != 0) {
558 fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
559 strerror(errno));
560 return false;
561 }
562 ret = vc5_ioctl(screen->fd, DRM_IOCTL_VC5_GET_PARAM, &ident1);
563 if (ret != 0) {
564 fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
565 strerror(errno));
566 return false;
567 }
568
569 uint32_t major = (ident0.value >> 24) & 0xff;
570 uint32_t minor = (ident1.value >> 0) & 0xf;
571 screen->devinfo.ver = major * 10 + minor;
572
573 if (screen->devinfo.ver != 33 && screen->devinfo.ver != 41) {
574 fprintf(stderr,
575 "V3D %d.%d not supported by this version of Mesa.\n",
576 screen->devinfo.ver / 10,
577 screen->devinfo.ver % 10);
578 return false;
579 }
580
581 return true;
582 }
583
584 static const void *
vc5_screen_get_compiler_options(struct pipe_screen * pscreen,enum pipe_shader_ir ir,unsigned shader)585 vc5_screen_get_compiler_options(struct pipe_screen *pscreen,
586 enum pipe_shader_ir ir, unsigned shader)
587 {
588 return &v3d_nir_options;
589 }
590
591 struct pipe_screen *
vc5_screen_create(int fd)592 vc5_screen_create(int fd)
593 {
594 struct vc5_screen *screen = rzalloc(NULL, struct vc5_screen);
595 struct pipe_screen *pscreen;
596
597 pscreen = &screen->base;
598
599 pscreen->destroy = vc5_screen_destroy;
600 pscreen->get_param = vc5_screen_get_param;
601 pscreen->get_paramf = vc5_screen_get_paramf;
602 pscreen->get_shader_param = vc5_screen_get_shader_param;
603 pscreen->context_create = vc5_context_create;
604 pscreen->is_format_supported = vc5_screen_is_format_supported;
605
606 screen->fd = fd;
607 list_inithead(&screen->bo_cache.time_list);
608 (void)mtx_init(&screen->bo_handles_mutex, mtx_plain);
609 screen->bo_handles = util_hash_table_create(handle_hash, handle_compare);
610
611 #if defined(USE_VC5_SIMULATOR)
612 vc5_simulator_init(screen);
613 #endif
614
615 if (!vc5_get_device_info(screen))
616 goto fail;
617
618 slab_create_parent(&screen->transfer_pool, sizeof(struct vc5_transfer), 16);
619
620 vc5_fence_init(screen);
621
622 v3d_process_debug_variable();
623
624 vc5_resource_screen_init(pscreen);
625
626 screen->compiler = v3d_compiler_init(&screen->devinfo);
627
628 pscreen->get_name = vc5_screen_get_name;
629 pscreen->get_vendor = vc5_screen_get_vendor;
630 pscreen->get_device_vendor = vc5_screen_get_vendor;
631 pscreen->get_compiler_options = vc5_screen_get_compiler_options;
632
633 return pscreen;
634
635 fail:
636 close(fd);
637 ralloc_free(pscreen);
638 return NULL;
639 }
640