freedreno: rename a couple debug flags
[mesa.git] / src / gallium / drivers / freedreno / freedreno_screen.c
1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3 /*
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Authors:
26 * Rob Clark <robclark@freedesktop.org>
27 */
28
29
30 #include "pipe/p_defines.h"
31 #include "pipe/p_screen.h"
32 #include "pipe/p_state.h"
33
34 #include "util/u_memory.h"
35 #include "util/u_inlines.h"
36 #include "util/u_format.h"
37 #include "util/u_format_s3tc.h"
38 #include "util/u_string.h"
39 #include "util/u_debug.h"
40
41 #include "os/os_time.h"
42
43 #include <stdio.h>
44 #include <errno.h>
45 #include <stdlib.h>
46
47 #include "freedreno_screen.h"
48 #include "freedreno_resource.h"
49 #include "freedreno_fence.h"
50 #include "freedreno_query.h"
51 #include "freedreno_util.h"
52
53 #include "a2xx/fd2_screen.h"
54 #include "a3xx/fd3_screen.h"
55
56 /* XXX this should go away */
57 #include "state_tracker/drm_driver.h"
58
59 static const struct debug_named_value debug_options[] = {
60 {"msgs", FD_DBG_MSGS, "Print debug messages"},
61 {"disasm", FD_DBG_DISASM, "Dump TGSI and adreno shader disassembly"},
62 {"dclear", FD_DBG_DCLEAR, "Mark all state dirty after clear"},
63 {"flush", FD_DBG_FLUSH, "Force flush after every draw"},
64 {"noscis", FD_DBG_NOSCIS, "Disable scissor optimization"},
65 {"direct", FD_DBG_DIRECT, "Force inline (SS_DIRECT) state loads"},
66 {"nobypass", FD_DBG_NOBYPASS, "Disable GMEM bypass"},
67 {"fraghalf", FD_DBG_FRAGHALF, "Use half-precision in fragment shader"},
68 {"nobin", FD_DBG_NOBIN, "Disable hw binning"},
69 {"noopt", FD_DBG_NOOPT , "Disable optimization passes in compiler"},
70 {"optmsgs", FD_DBG_OPTMSGS,"Enable optimizater debug messages"},
71 {"optdump", FD_DBG_OPTDUMP,"Dump shader DAG to .dot files"},
72 {"glsl130", FD_DBG_GLSL130,"Temporary flag to enable GLSL 130 on a3xx+"},
73 {"nocp", FD_DBG_NOCP, "Disable copy-propagation"},
74 DEBUG_NAMED_VALUE_END
75 };
76
77 DEBUG_GET_ONCE_FLAGS_OPTION(fd_mesa_debug, "FD_MESA_DEBUG", debug_options, 0)
78
79 int fd_mesa_debug = 0;
80 bool fd_binning_enabled = true;
81 static bool glsl130 = false;
82
83 static const char *
84 fd_screen_get_name(struct pipe_screen *pscreen)
85 {
86 static char buffer[128];
87 util_snprintf(buffer, sizeof(buffer), "FD%03d",
88 fd_screen(pscreen)->device_id);
89 return buffer;
90 }
91
92 static const char *
93 fd_screen_get_vendor(struct pipe_screen *pscreen)
94 {
95 return "freedreno";
96 }
97
98 static uint64_t
99 fd_screen_get_timestamp(struct pipe_screen *pscreen)
100 {
101 int64_t cpu_time = os_time_get() * 1000;
102 return cpu_time + fd_screen(pscreen)->cpu_gpu_time_delta;
103 }
104
105 static void
106 fd_screen_fence_ref(struct pipe_screen *pscreen,
107 struct pipe_fence_handle **ptr,
108 struct pipe_fence_handle *pfence)
109 {
110 fd_fence_ref(fd_fence(pfence), (struct fd_fence **)ptr);
111 }
112
113 static boolean
114 fd_screen_fence_signalled(struct pipe_screen *screen,
115 struct pipe_fence_handle *pfence)
116 {
117 return fd_fence_signalled(fd_fence(pfence));
118 }
119
120 static boolean
121 fd_screen_fence_finish(struct pipe_screen *screen,
122 struct pipe_fence_handle *pfence,
123 uint64_t timeout)
124 {
125 return fd_fence_wait(fd_fence(pfence));
126 }
127
128 static void
129 fd_screen_destroy(struct pipe_screen *pscreen)
130 {
131 struct fd_screen *screen = fd_screen(pscreen);
132
133 if (screen->pipe)
134 fd_pipe_del(screen->pipe);
135
136 if (screen->dev)
137 fd_device_del(screen->dev);
138
139 free(screen);
140 }
141
142 /*
143 TODO either move caps to a2xx/a3xx specific code, or maybe have some
144 tables for things that differ if the delta is not too much..
145 */
146 static int
147 fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
148 {
149 struct fd_screen *screen = fd_screen(pscreen);
150
151 /* this is probably not totally correct.. but it's a start: */
152 switch (param) {
153 /* Supported features (boolean caps). */
154 case PIPE_CAP_NPOT_TEXTURES:
155 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
156 case PIPE_CAP_TWO_SIDED_STENCIL:
157 case PIPE_CAP_ANISOTROPIC_FILTER:
158 case PIPE_CAP_POINT_SPRITE:
159 case PIPE_CAP_TEXTURE_SHADOW_MAP:
160 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
161 case PIPE_CAP_TEXTURE_SWIZZLE:
162 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
163 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
164 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
165 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
166 case PIPE_CAP_SEAMLESS_CUBE_MAP:
167 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
168 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
169 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
170 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
171 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
172 case PIPE_CAP_USER_CONSTANT_BUFFERS:
173 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
174 return 1;
175
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_MULTISAMPLE:
181 case PIPE_CAP_TEXTURE_BARRIER:
182 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
183 case PIPE_CAP_CUBE_MAP_ARRAY:
184 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
185 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
186 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
187 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
188 case PIPE_CAP_TGSI_INSTANCEID:
189 case PIPE_CAP_START_INSTANCE:
190 case PIPE_CAP_COMPUTE:
191 return 0;
192
193 case PIPE_CAP_SM3:
194 case PIPE_CAP_PRIMITIVE_RESTART:
195 return (screen->gpu_id >= 300) ? 1 : 0;
196
197 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
198 return 256;
199
200 case PIPE_CAP_GLSL_FEATURE_LEVEL:
201 return ((screen->gpu_id >= 300) && glsl130) ? 130 : 120;
202
203 /* Unsupported features. */
204 case PIPE_CAP_INDEP_BLEND_ENABLE:
205 case PIPE_CAP_INDEP_BLEND_FUNC:
206 case PIPE_CAP_DEPTH_CLIP_DISABLE:
207 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
208 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
209 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
210 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
211 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
212 case PIPE_CAP_VERTEX_COLOR_CLAMPED:
213 case PIPE_CAP_USER_VERTEX_BUFFERS:
214 case PIPE_CAP_USER_INDEX_BUFFERS:
215 case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
216 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
217 case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
218 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
219 case PIPE_CAP_TEXTURE_GATHER_SM5:
220 case PIPE_CAP_FAKE_SW_MSAA:
221 case PIPE_CAP_TEXTURE_QUERY_LOD:
222 case PIPE_CAP_SAMPLE_SHADING:
223 case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
224 case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
225 case PIPE_CAP_DRAW_INDIRECT:
226 case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
227 case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
228 case PIPE_CAP_SAMPLER_VIEW_TARGET:
229 case PIPE_CAP_CLIP_HALFZ:
230 return 0;
231
232 case PIPE_CAP_MAX_VIEWPORTS:
233 return 1;
234
235 /* Stream output. */
236 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
237 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
238 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
239 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
240 return 0;
241
242 /* Geometry shader output, unsupported. */
243 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
244 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
245 case PIPE_CAP_MAX_VERTEX_STREAMS:
246 return 0;
247
248 case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
249 return 2048;
250
251 /* Texturing. */
252 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
253 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
254 return MAX_MIP_LEVELS;
255 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
256 return 11;
257
258 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
259 return (screen->gpu_id >= 300) ? 256 : 0;
260
261 /* Render targets. */
262 case PIPE_CAP_MAX_RENDER_TARGETS:
263 return 1;
264
265 /* Queries. */
266 case PIPE_CAP_QUERY_TIME_ELAPSED:
267 case PIPE_CAP_QUERY_TIMESTAMP:
268 return 0;
269 case PIPE_CAP_OCCLUSION_QUERY:
270 return (screen->gpu_id >= 300) ? 1 : 0;
271
272 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
273 case PIPE_CAP_MIN_TEXEL_OFFSET:
274 return -8;
275
276 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
277 case PIPE_CAP_MAX_TEXEL_OFFSET:
278 return 7;
279
280 case PIPE_CAP_ENDIANNESS:
281 return PIPE_ENDIAN_LITTLE;
282
283 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
284 return 64;
285
286 case PIPE_CAP_VENDOR_ID:
287 return 0x5143;
288 case PIPE_CAP_DEVICE_ID:
289 return 0xFFFFFFFF;
290 case PIPE_CAP_ACCELERATED:
291 return 1;
292 case PIPE_CAP_VIDEO_MEMORY:
293 DBG("FINISHME: The value returned is incorrect\n");
294 return 10;
295 case PIPE_CAP_UMA:
296 return 1;
297 }
298 debug_printf("unknown param %d\n", param);
299 return 0;
300 }
301
302 static float
303 fd_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
304 {
305 switch (param) {
306 case PIPE_CAPF_MAX_LINE_WIDTH:
307 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
308 case PIPE_CAPF_MAX_POINT_WIDTH:
309 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
310 return 8192.0f;
311 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
312 return 16.0f;
313 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
314 return 15.0f;
315 case PIPE_CAPF_GUARD_BAND_LEFT:
316 case PIPE_CAPF_GUARD_BAND_TOP:
317 case PIPE_CAPF_GUARD_BAND_RIGHT:
318 case PIPE_CAPF_GUARD_BAND_BOTTOM:
319 return 0.0f;
320 }
321 debug_printf("unknown paramf %d\n", param);
322 return 0;
323 }
324
325 static int
326 fd_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
327 enum pipe_shader_cap param)
328 {
329 struct fd_screen *screen = fd_screen(pscreen);
330
331 switch(shader)
332 {
333 case PIPE_SHADER_FRAGMENT:
334 case PIPE_SHADER_VERTEX:
335 break;
336 case PIPE_SHADER_COMPUTE:
337 case PIPE_SHADER_GEOMETRY:
338 /* maye we could emulate.. */
339 return 0;
340 default:
341 DBG("unknown shader type %d", shader);
342 return 0;
343 }
344
345 /* this is probably not totally correct.. but it's a start: */
346 switch (param) {
347 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
348 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
349 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
350 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
351 return 16384;
352 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
353 return 8; /* XXX */
354 case PIPE_SHADER_CAP_MAX_INPUTS:
355 case PIPE_SHADER_CAP_MAX_OUTPUTS:
356 return 16;
357 case PIPE_SHADER_CAP_MAX_TEMPS:
358 return 64; /* Max native temporaries. */
359 case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
360 /* NOTE: seems to be limit for a3xx is actually 512 but
361 * split between VS and FS. Use lower limit of 256 to
362 * avoid getting into impossible situations:
363 */
364 return ((screen->gpu_id >= 300) ? 256 : 64) * sizeof(float[4]);
365 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
366 return 1;
367 case PIPE_SHADER_CAP_MAX_PREDS:
368 return 0; /* nothing uses this */
369 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
370 return 1;
371 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
372 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
373 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
374 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
375 return 1;
376 case PIPE_SHADER_CAP_SUBROUTINES:
377 case PIPE_SHADER_CAP_DOUBLES:
378 return 0;
379 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
380 return 1;
381 case PIPE_SHADER_CAP_INTEGERS:
382 /* we should be able to support this on a3xx, but not
383 * implemented yet:
384 */
385 return ((screen->gpu_id >= 300) && glsl130) ? 1 : 0;
386 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
387 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
388 return 16;
389 case PIPE_SHADER_CAP_PREFERRED_IR:
390 return PIPE_SHADER_IR_TGSI;
391 }
392 debug_printf("unknown shader param %d\n", param);
393 return 0;
394 }
395
396 boolean
397 fd_screen_bo_get_handle(struct pipe_screen *pscreen,
398 struct fd_bo *bo,
399 unsigned stride,
400 struct winsys_handle *whandle)
401 {
402 whandle->stride = stride;
403
404 if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
405 return fd_bo_get_name(bo, &whandle->handle) == 0;
406 } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
407 whandle->handle = fd_bo_handle(bo);
408 return TRUE;
409 } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
410 whandle->handle = fd_bo_dmabuf(bo);
411 return TRUE;
412 } else {
413 return FALSE;
414 }
415 }
416
417 struct fd_bo *
418 fd_screen_bo_from_handle(struct pipe_screen *pscreen,
419 struct winsys_handle *whandle,
420 unsigned *out_stride)
421 {
422 struct fd_screen *screen = fd_screen(pscreen);
423 struct fd_bo *bo;
424
425 if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
426 bo = fd_bo_from_name(screen->dev, whandle->handle);
427 } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
428 bo = fd_bo_from_handle(screen->dev, whandle->handle, 0);
429 } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
430 bo = fd_bo_from_dmabuf(screen->dev, whandle->handle);
431 } else {
432 DBG("Attempt to import unsupported handle type %d", whandle->type);
433 return NULL;
434 }
435
436 if (!bo) {
437 DBG("ref name 0x%08x failed", whandle->handle);
438 return NULL;
439 }
440
441 *out_stride = whandle->stride;
442
443 return bo;
444 }
445
446 struct pipe_screen *
447 fd_screen_create(struct fd_device *dev)
448 {
449 struct fd_screen *screen = CALLOC_STRUCT(fd_screen);
450 struct pipe_screen *pscreen;
451 uint64_t val;
452
453 fd_mesa_debug = debug_get_option_fd_mesa_debug();
454
455 if (fd_mesa_debug & FD_DBG_NOBIN)
456 fd_binning_enabled = false;
457
458 glsl130 = !!(fd_mesa_debug & FD_DBG_GLSL130);
459
460 if (!screen)
461 return NULL;
462
463 pscreen = &screen->base;
464
465 screen->dev = dev;
466
467 // maybe this should be in context?
468 screen->pipe = fd_pipe_new(screen->dev, FD_PIPE_3D);
469 if (!screen->pipe) {
470 DBG("could not create 3d pipe");
471 goto fail;
472 }
473
474 if (fd_pipe_get_param(screen->pipe, FD_GMEM_SIZE, &val)) {
475 DBG("could not get GMEM size");
476 goto fail;
477 }
478 screen->gmemsize_bytes = val;
479
480 if (fd_pipe_get_param(screen->pipe, FD_DEVICE_ID, &val)) {
481 DBG("could not get device-id");
482 goto fail;
483 }
484 screen->device_id = val;
485
486 if (fd_pipe_get_param(screen->pipe, FD_GPU_ID, &val)) {
487 DBG("could not get gpu-id");
488 goto fail;
489 }
490 screen->gpu_id = val;
491
492 if (fd_pipe_get_param(screen->pipe, FD_CHIP_ID, &val)) {
493 DBG("could not get chip-id");
494 /* older kernels may not have this property: */
495 unsigned core = screen->gpu_id / 100;
496 unsigned major = (screen->gpu_id % 100) / 10;
497 unsigned minor = screen->gpu_id % 10;
498 unsigned patch = 0; /* assume the worst */
499 val = (patch & 0xff) | ((minor & 0xff) << 8) |
500 ((major & 0xff) << 16) | ((core & 0xff) << 24);
501 }
502 screen->chip_id = val;
503
504 DBG("Pipe Info:");
505 DBG(" GPU-id: %d", screen->gpu_id);
506 DBG(" Chip-id: 0x%08x", screen->chip_id);
507 DBG(" GMEM size: 0x%08x", screen->gmemsize_bytes);
508
509 /* explicitly checking for GPU revisions that are known to work. This
510 * may be overly conservative for a3xx, where spoofing the gpu_id with
511 * the blob driver seems to generate identical cmdstream dumps. But
512 * on a2xx, there seem to be small differences between the GPU revs
513 * so it is probably better to actually test first on real hardware
514 * before enabling:
515 *
516 * If you have a different adreno version, feel free to add it to one
517 * of the two cases below and see what happens. And if it works, please
518 * send a patch ;-)
519 */
520 switch (screen->gpu_id) {
521 case 220:
522 fd2_screen_init(pscreen);
523 break;
524 case 320:
525 case 330:
526 fd3_screen_init(pscreen);
527 break;
528 default:
529 debug_printf("unsupported GPU: a%03d\n", screen->gpu_id);
530 goto fail;
531 }
532
533 pscreen->destroy = fd_screen_destroy;
534 pscreen->get_param = fd_screen_get_param;
535 pscreen->get_paramf = fd_screen_get_paramf;
536 pscreen->get_shader_param = fd_screen_get_shader_param;
537
538 fd_resource_screen_init(pscreen);
539 fd_query_screen_init(pscreen);
540
541 pscreen->get_name = fd_screen_get_name;
542 pscreen->get_vendor = fd_screen_get_vendor;
543
544 pscreen->get_timestamp = fd_screen_get_timestamp;
545
546 pscreen->fence_reference = fd_screen_fence_ref;
547 pscreen->fence_signalled = fd_screen_fence_signalled;
548 pscreen->fence_finish = fd_screen_fence_finish;
549
550 util_format_s3tc_init();
551
552 return pscreen;
553
554 fail:
555 fd_screen_destroy(pscreen);
556 return NULL;
557 }