r600_pipe.c revision 44f14ebd7b9ba7186342039d2602fdd6ea5077f5
1/*
2 * Copyright 2010 Jerome Glisse <glisse@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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23#include "r600_pipe.h"
24#include "r600_public.h"
25
26#include <errno.h>
27#include "pipe/p_shader_tokens.h"
28#include "util/u_blitter.h"
29#include "util/u_format_s3tc.h"
30#include "util/u_simple_shaders.h"
31#include "util/u_upload_mgr.h"
32#include "vl/vl_decoder.h"
33#include "vl/vl_video_buffer.h"
34#include "os/os_time.h"
35
36/*
37 * pipe_context
38 */
39static struct r600_fence *r600_create_fence(struct r600_context *rctx)
40{
41	struct r600_screen *rscreen = rctx->screen;
42	struct r600_fence *fence = NULL;
43
44	pipe_mutex_lock(rscreen->fences.mutex);
45
46	if (!rscreen->fences.bo) {
47		/* Create the shared buffer object */
48		rscreen->fences.bo = (struct r600_resource*)
49			pipe_buffer_create(&rscreen->screen, PIPE_BIND_CUSTOM,
50					   PIPE_USAGE_STAGING, 4096);
51		if (!rscreen->fences.bo) {
52			R600_ERR("r600: failed to create bo for fence objects\n");
53			goto out;
54		}
55		rscreen->fences.data = rctx->ws->buffer_map(rscreen->fences.bo->cs_buf,
56							   rctx->cs,
57							   PIPE_TRANSFER_READ_WRITE);
58	}
59
60	if (!LIST_IS_EMPTY(&rscreen->fences.pool)) {
61		struct r600_fence *entry;
62
63		/* Try to find a freed fence that has been signalled */
64		LIST_FOR_EACH_ENTRY(entry, &rscreen->fences.pool, head) {
65			if (rscreen->fences.data[entry->index] != 0) {
66				LIST_DELINIT(&entry->head);
67				fence = entry;
68				break;
69			}
70		}
71	}
72
73	if (!fence) {
74		/* Allocate a new fence */
75		struct r600_fence_block *block;
76		unsigned index;
77
78		if ((rscreen->fences.next_index + 1) >= 1024) {
79			R600_ERR("r600: too many concurrent fences\n");
80			goto out;
81		}
82
83		index = rscreen->fences.next_index++;
84
85		if (!(index % FENCE_BLOCK_SIZE)) {
86			/* Allocate a new block */
87			block = CALLOC_STRUCT(r600_fence_block);
88			if (block == NULL)
89				goto out;
90
91			LIST_ADD(&block->head, &rscreen->fences.blocks);
92		} else {
93			block = LIST_ENTRY(struct r600_fence_block, rscreen->fences.blocks.next, head);
94		}
95
96		fence = &block->fences[index % FENCE_BLOCK_SIZE];
97		fence->index = index;
98	}
99
100	pipe_reference_init(&fence->reference, 1);
101
102	rscreen->fences.data[fence->index] = 0;
103	r600_context_emit_fence(rctx, rscreen->fences.bo, fence->index, 1);
104
105	/* Create a dummy BO so that fence_finish without a timeout can sleep waiting for completion */
106	fence->sleep_bo = (struct r600_resource*)
107			pipe_buffer_create(&rctx->screen->screen, PIPE_BIND_CUSTOM,
108					   PIPE_USAGE_STAGING, 1);
109	/* Add the fence as a dummy relocation. */
110	r600_context_bo_reloc(rctx, fence->sleep_bo, RADEON_USAGE_READWRITE);
111
112out:
113	pipe_mutex_unlock(rscreen->fences.mutex);
114	return fence;
115}
116
117
118void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
119		unsigned flags)
120{
121	struct r600_context *rctx = (struct r600_context *)ctx;
122	struct r600_fence **rfence = (struct r600_fence**)fence;
123	struct pipe_query *render_cond = NULL;
124	unsigned render_cond_mode = 0;
125
126	if (rfence)
127		*rfence = r600_create_fence(rctx);
128
129	/* Disable render condition. */
130	if (rctx->current_render_cond) {
131		render_cond = rctx->current_render_cond;
132		render_cond_mode = rctx->current_render_cond_mode;
133		ctx->render_condition(ctx, NULL, 0);
134	}
135
136	r600_context_flush(rctx, flags);
137
138	/* Re-enable render condition. */
139	if (render_cond) {
140		ctx->render_condition(ctx, render_cond, render_cond_mode);
141	}
142}
143
144static void r600_flush_from_st(struct pipe_context *ctx,
145			       struct pipe_fence_handle **fence)
146{
147	r600_flush(ctx, fence, 0);
148}
149
150static void r600_flush_from_winsys(void *ctx, unsigned flags)
151{
152	r600_flush((struct pipe_context*)ctx, NULL, flags);
153}
154
155static void r600_destroy_context(struct pipe_context *context)
156{
157	struct r600_context *rctx = (struct r600_context *)context;
158
159	if (rctx->dummy_pixel_shader) {
160		rctx->context.delete_fs_state(&rctx->context, rctx->dummy_pixel_shader);
161	}
162	if (rctx->custom_dsa_flush) {
163		rctx->context.delete_depth_stencil_alpha_state(&rctx->context, rctx->custom_dsa_flush);
164	}
165	if (rctx->custom_blend_resolve) {
166		rctx->context.delete_blend_state(&rctx->context, rctx->custom_blend_resolve);
167	}
168	util_unreference_framebuffer_state(&rctx->framebuffer);
169
170	r600_context_fini(rctx);
171
172	if (rctx->blitter) {
173		util_blitter_destroy(rctx->blitter);
174	}
175	for (int i = 0; i < R600_PIPE_NSTATES; i++) {
176		free(rctx->states[i]);
177	}
178
179	if (rctx->uploader) {
180		u_upload_destroy(rctx->uploader);
181	}
182	util_slab_destroy(&rctx->pool_transfers);
183
184	r600_release_command_buffer(&rctx->start_cs_cmd);
185
186	if (rctx->cs) {
187		rctx->ws->cs_destroy(rctx->cs);
188	}
189
190	FREE(rctx->range);
191	FREE(rctx);
192}
193
194static struct pipe_context *r600_create_context(struct pipe_screen *screen, void *priv)
195{
196	struct r600_context *rctx = CALLOC_STRUCT(r600_context);
197	struct r600_screen* rscreen = (struct r600_screen *)screen;
198
199	if (rctx == NULL)
200		return NULL;
201
202	util_slab_create(&rctx->pool_transfers,
203			 sizeof(struct r600_transfer), 64,
204			 UTIL_SLAB_SINGLETHREADED);
205
206	rctx->context.screen = screen;
207	rctx->context.priv = priv;
208	rctx->context.destroy = r600_destroy_context;
209	rctx->context.flush = r600_flush_from_st;
210
211	/* Easy accessing of screen/winsys. */
212	rctx->screen = rscreen;
213	rctx->ws = rscreen->ws;
214	rctx->family = rscreen->family;
215	rctx->chip_class = rscreen->chip_class;
216
217	LIST_INITHEAD(&rctx->dirty_states);
218	LIST_INITHEAD(&rctx->active_timer_queries);
219	LIST_INITHEAD(&rctx->active_nontimer_queries);
220	LIST_INITHEAD(&rctx->dirty);
221	LIST_INITHEAD(&rctx->enable_list);
222
223	rctx->range = CALLOC(NUM_RANGES, sizeof(struct r600_range));
224	if (!rctx->range)
225		goto fail;
226
227	r600_init_blit_functions(rctx);
228	r600_init_query_functions(rctx);
229	r600_init_context_resource_functions(rctx);
230	r600_init_surface_functions(rctx);
231	rctx->context.draw_vbo = r600_draw_vbo;
232
233	rctx->context.create_video_decoder = vl_create_decoder;
234	rctx->context.create_video_buffer = vl_video_buffer_create;
235
236	r600_init_common_atoms(rctx);
237
238	switch (rctx->chip_class) {
239	case R600:
240	case R700:
241		r600_init_state_functions(rctx);
242		r600_init_atom_start_cs(rctx);
243		if (r600_context_init(rctx))
244			goto fail;
245		rctx->custom_dsa_flush = r600_create_db_flush_dsa(rctx);
246		rctx->has_vertex_cache = !(rctx->family == CHIP_RV610 ||
247					   rctx->family == CHIP_RV620 ||
248					   rctx->family == CHIP_RS780 ||
249					   rctx->family == CHIP_RS880 ||
250					   rctx->family == CHIP_RV710);
251		break;
252	case EVERGREEN:
253	case CAYMAN:
254		evergreen_init_state_functions(rctx);
255		evergreen_init_atom_start_cs(rctx);
256		evergreen_init_atom_start_compute_cs(rctx);
257		if (evergreen_context_init(rctx))
258			goto fail;
259		rctx->custom_dsa_flush = evergreen_create_db_flush_dsa(rctx);
260		rctx->custom_blend_resolve = evergreen_create_resolve_blend(rctx);
261		rctx->has_vertex_cache = !(rctx->family == CHIP_CEDAR ||
262					   rctx->family == CHIP_PALM ||
263					   rctx->family == CHIP_SUMO ||
264					   rctx->family == CHIP_SUMO2 ||
265					   rctx->family == CHIP_CAICOS ||
266					   rctx->family == CHIP_CAYMAN ||
267					   rctx->family == CHIP_ARUBA);
268		break;
269	default:
270		R600_ERR("Unsupported chip class %d.\n", rctx->chip_class);
271		goto fail;
272	}
273
274	rctx->cs = rctx->ws->cs_create(rctx->ws);
275	rctx->ws->cs_set_flush_callback(rctx->cs, r600_flush_from_winsys, rctx);
276	r600_emit_atom(rctx, &rctx->start_cs_cmd.atom);
277
278        rctx->uploader = u_upload_create(&rctx->context, 1024 * 1024, 256,
279                                         PIPE_BIND_INDEX_BUFFER |
280                                         PIPE_BIND_CONSTANT_BUFFER);
281        if (!rctx->uploader)
282                goto fail;
283
284	rctx->blitter = util_blitter_create(&rctx->context);
285	if (rctx->blitter == NULL)
286		goto fail;
287
288	r600_get_backend_mask(rctx); /* this emits commands and must be last */
289
290	if (rctx->chip_class == R600)
291		r600_set_max_scissor(rctx);
292
293	rctx->dummy_pixel_shader =
294		util_make_fragment_cloneinput_shader(&rctx->context, 0,
295						     TGSI_SEMANTIC_GENERIC,
296						     TGSI_INTERPOLATE_CONSTANT);
297	rctx->context.bind_fs_state(&rctx->context, rctx->dummy_pixel_shader);
298
299	return &rctx->context;
300
301fail:
302	r600_destroy_context(&rctx->context);
303	return NULL;
304}
305
306/*
307 * pipe_screen
308 */
309static const char* r600_get_vendor(struct pipe_screen* pscreen)
310{
311	return "X.Org";
312}
313
314static const char *r600_get_family_name(enum radeon_family family)
315{
316	switch(family) {
317	case CHIP_R600: return "AMD R600";
318	case CHIP_RV610: return "AMD RV610";
319	case CHIP_RV630: return "AMD RV630";
320	case CHIP_RV670: return "AMD RV670";
321	case CHIP_RV620: return "AMD RV620";
322	case CHIP_RV635: return "AMD RV635";
323	case CHIP_RS780: return "AMD RS780";
324	case CHIP_RS880: return "AMD RS880";
325	case CHIP_RV770: return "AMD RV770";
326	case CHIP_RV730: return "AMD RV730";
327	case CHIP_RV710: return "AMD RV710";
328	case CHIP_RV740: return "AMD RV740";
329	case CHIP_CEDAR: return "AMD CEDAR";
330	case CHIP_REDWOOD: return "AMD REDWOOD";
331	case CHIP_JUNIPER: return "AMD JUNIPER";
332	case CHIP_CYPRESS: return "AMD CYPRESS";
333	case CHIP_HEMLOCK: return "AMD HEMLOCK";
334	case CHIP_PALM: return "AMD PALM";
335	case CHIP_SUMO: return "AMD SUMO";
336	case CHIP_SUMO2: return "AMD SUMO2";
337	case CHIP_BARTS: return "AMD BARTS";
338	case CHIP_TURKS: return "AMD TURKS";
339	case CHIP_CAICOS: return "AMD CAICOS";
340	case CHIP_CAYMAN: return "AMD CAYMAN";
341	case CHIP_ARUBA: return "AMD ARUBA";
342	default: return "AMD unknown";
343	}
344}
345
346static const char* r600_get_name(struct pipe_screen* pscreen)
347{
348	struct r600_screen *rscreen = (struct r600_screen *)pscreen;
349
350	return r600_get_family_name(rscreen->family);
351}
352
353static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
354{
355	struct r600_screen *rscreen = (struct r600_screen *)pscreen;
356	enum radeon_family family = rscreen->family;
357
358	switch (param) {
359	/* Supported features (boolean caps). */
360	case PIPE_CAP_NPOT_TEXTURES:
361	case PIPE_CAP_TWO_SIDED_STENCIL:
362	case PIPE_CAP_ANISOTROPIC_FILTER:
363	case PIPE_CAP_POINT_SPRITE:
364	case PIPE_CAP_OCCLUSION_QUERY:
365	case PIPE_CAP_TEXTURE_SHADOW_MAP:
366	case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
367	case PIPE_CAP_BLEND_EQUATION_SEPARATE:
368	case PIPE_CAP_TEXTURE_SWIZZLE:
369	case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
370	case PIPE_CAP_DEPTH_CLIP_DISABLE:
371	case PIPE_CAP_SHADER_STENCIL_EXPORT:
372	case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
373	case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
374	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
375	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
376	case PIPE_CAP_SM3:
377	case PIPE_CAP_SEAMLESS_CUBE_MAP:
378	case PIPE_CAP_PRIMITIVE_RESTART:
379	case PIPE_CAP_CONDITIONAL_RENDER:
380	case PIPE_CAP_TEXTURE_BARRIER:
381	case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
382	case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
383	case PIPE_CAP_TGSI_INSTANCEID:
384	case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
385	case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
386	case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
387	case PIPE_CAP_USER_INDEX_BUFFERS:
388	case PIPE_CAP_USER_CONSTANT_BUFFERS:
389	case PIPE_CAP_COMPUTE:
390	case PIPE_CAP_START_INSTANCE:
391	case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
392		return 1;
393
394	case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
395		return 256;
396
397	case PIPE_CAP_GLSL_FEATURE_LEVEL:
398		return 130;
399
400	/* Supported except the original R600. */
401	case PIPE_CAP_INDEP_BLEND_ENABLE:
402	case PIPE_CAP_INDEP_BLEND_FUNC:
403		/* R600 doesn't support per-MRT blends */
404		return family == CHIP_R600 ? 0 : 1;
405
406	/* Supported on Evergreen. */
407	case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
408		return family >= CHIP_CEDAR ? 1 : 0;
409
410	/* Unsupported features. */
411	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
412	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
413	case PIPE_CAP_SCALED_RESOLVE:
414	case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
415	case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
416	case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
417	case PIPE_CAP_VERTEX_COLOR_CLAMPED:
418	case PIPE_CAP_USER_VERTEX_BUFFERS:
419		return 0;
420
421	/* Stream output. */
422	case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
423		return rscreen->has_streamout ? 4 : 0;
424	case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
425		return rscreen->has_streamout ? 1 : 0;
426	case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
427	case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
428		return 16*4;
429
430	/* Texturing. */
431	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
432	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
433	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
434		if (family >= CHIP_CEDAR)
435			return 15;
436		else
437			return 14;
438	case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
439		return rscreen->info.drm_minor >= 9 ?
440			(family >= CHIP_CEDAR ? 16384 : 8192) : 0;
441	case PIPE_CAP_MAX_COMBINED_SAMPLERS:
442		return 32;
443
444	/* Render targets. */
445	case PIPE_CAP_MAX_RENDER_TARGETS:
446		/* XXX some r6xx are buggy and can only do 4 */
447		return 8;
448
449	/* Timer queries, present when the clock frequency is non zero. */
450	case PIPE_CAP_TIMER_QUERY:
451		return rscreen->info.r600_clock_crystal_freq != 0;
452	case PIPE_CAP_QUERY_TIMESTAMP:
453		return rscreen->info.drm_minor >= 20 &&
454		       rscreen->info.r600_clock_crystal_freq != 0;
455
456	case PIPE_CAP_MIN_TEXEL_OFFSET:
457		return -8;
458
459	case PIPE_CAP_MAX_TEXEL_OFFSET:
460		return 7;
461	}
462	return 0;
463}
464
465static float r600_get_paramf(struct pipe_screen* pscreen,
466			     enum pipe_capf param)
467{
468	struct r600_screen *rscreen = (struct r600_screen *)pscreen;
469	enum radeon_family family = rscreen->family;
470
471	switch (param) {
472	case PIPE_CAPF_MAX_LINE_WIDTH:
473	case PIPE_CAPF_MAX_LINE_WIDTH_AA:
474	case PIPE_CAPF_MAX_POINT_WIDTH:
475	case PIPE_CAPF_MAX_POINT_WIDTH_AA:
476		if (family >= CHIP_CEDAR)
477			return 16384.0f;
478		else
479			return 8192.0f;
480	case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
481		return 16.0f;
482	case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
483		return 16.0f;
484	case PIPE_CAPF_GUARD_BAND_LEFT:
485	case PIPE_CAPF_GUARD_BAND_TOP:
486	case PIPE_CAPF_GUARD_BAND_RIGHT:
487	case PIPE_CAPF_GUARD_BAND_BOTTOM:
488		return 0.0f;
489	}
490	return 0.0f;
491}
492
493static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
494{
495	switch(shader)
496	{
497	case PIPE_SHADER_FRAGMENT:
498	case PIPE_SHADER_VERTEX:
499        case PIPE_SHADER_COMPUTE:
500		break;
501	case PIPE_SHADER_GEOMETRY:
502		/* XXX: support and enable geometry programs */
503		return 0;
504	default:
505		/* XXX: support tessellation on Evergreen */
506		return 0;
507	}
508
509	/* XXX: all these should be fixed, since r600 surely supports much more! */
510	switch (param) {
511	case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
512	case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
513	case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
514	case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
515		return 16384;
516	case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
517		return 8; /* XXX */
518	case PIPE_SHADER_CAP_MAX_INPUTS:
519		if(shader == PIPE_SHADER_FRAGMENT)
520			return 34;
521		else
522			return 32;
523	case PIPE_SHADER_CAP_MAX_TEMPS:
524		return 256; /* Max native temporaries. */
525	case PIPE_SHADER_CAP_MAX_ADDRS:
526		/* XXX Isn't this equal to TEMPS? */
527		return 1; /* Max native address registers */
528	case PIPE_SHADER_CAP_MAX_CONSTS:
529		return R600_MAX_CONST_BUFFER_SIZE;
530	case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
531		return R600_MAX_CONST_BUFFERS-1;
532	case PIPE_SHADER_CAP_MAX_PREDS:
533		return 0; /* nothing uses this */
534	case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
535		return 1;
536	case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
537	case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
538	case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
539	case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
540		return 1;
541	case PIPE_SHADER_CAP_SUBROUTINES:
542		return 0;
543	case PIPE_SHADER_CAP_INTEGERS:
544		return 1;
545	case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
546		return 16;
547        case PIPE_SHADER_CAP_PREFERRED_IR:
548		if (shader == PIPE_SHADER_COMPUTE) {
549			return PIPE_SHADER_IR_LLVM;
550		} else {
551			return PIPE_SHADER_IR_TGSI;
552		}
553	}
554	return 0;
555}
556
557static int r600_get_video_param(struct pipe_screen *screen,
558				enum pipe_video_profile profile,
559				enum pipe_video_cap param)
560{
561	switch (param) {
562	case PIPE_VIDEO_CAP_SUPPORTED:
563		return vl_profile_supported(screen, profile);
564	case PIPE_VIDEO_CAP_NPOT_TEXTURES:
565		return 1;
566	case PIPE_VIDEO_CAP_MAX_WIDTH:
567	case PIPE_VIDEO_CAP_MAX_HEIGHT:
568		return vl_video_buffer_max_size(screen);
569	case PIPE_VIDEO_CAP_PREFERED_FORMAT:
570		return PIPE_FORMAT_NV12;
571	case PIPE_VIDEO_CAP_PREFERS_INTERLACED:
572		return false;
573	case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
574		return false;
575	case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
576		return true;
577	default:
578		return 0;
579	}
580}
581
582static int r600_get_compute_param(struct pipe_screen *screen,
583        enum pipe_compute_cap param,
584        void *ret)
585{
586	//TODO: select these params by asic
587	switch (param) {
588	case PIPE_COMPUTE_CAP_IR_TARGET:
589		if (ret) {
590			strcpy(ret, "r600--");
591		}
592		return 7 * sizeof(char);
593
594	case PIPE_COMPUTE_CAP_GRID_DIMENSION:
595		if (ret) {
596			uint64_t * grid_dimension = ret;
597			grid_dimension[0] = 3;
598		}
599		return 1 * sizeof(uint64_t);
600
601	case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
602		if (ret) {
603			uint64_t * grid_size = ret;
604			grid_size[0] = 65535;
605			grid_size[1] = 65535;
606			grid_size[2] = 1;
607		}
608		return 3 * sizeof(uint64_t) ;
609
610	case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
611		if (ret) {
612			uint64_t * block_size = ret;
613			block_size[0] = 256;
614			block_size[1] = 256;
615			block_size[2] = 256;
616		}
617		return 3 * sizeof(uint64_t);
618
619	case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
620		if (ret) {
621			uint64_t * max_threads_per_block = ret;
622			*max_threads_per_block = 256;
623		}
624		return sizeof(uint64_t);
625
626	case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
627		if (ret) {
628			uint64_t * max_global_size = ret;
629			/* XXX: This is 64kb for now until we get the
630			 * compute memory pool working correctly.
631			 */
632			*max_global_size = 1024 * 16 * 4;
633		}
634		return sizeof(uint64_t);
635
636	case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE:
637		if (ret) {
638			uint64_t * max_input_size = ret;
639			*max_input_size = 1024;
640		}
641		return sizeof(uint64_t);
642
643	case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE:
644		if (ret) {
645			uint64_t * max_local_size = ret;
646			/* XXX: This is what the proprietary driver reports, we
647			 * may want to use a different value. */
648			*max_local_size = 32768;
649		}
650		return sizeof(uint64_t);
651
652	default:
653		fprintf(stderr, "unknown PIPE_COMPUTE_CAP %d\n", param);
654		return 0;
655	}
656}
657
658static void r600_destroy_screen(struct pipe_screen* pscreen)
659{
660	struct r600_screen *rscreen = (struct r600_screen *)pscreen;
661
662	if (rscreen == NULL)
663		return;
664
665	if (rscreen->global_pool) {
666		compute_memory_pool_delete(rscreen->global_pool);
667	}
668
669	if (rscreen->fences.bo) {
670		struct r600_fence_block *entry, *tmp;
671
672		LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, &rscreen->fences.blocks, head) {
673			LIST_DEL(&entry->head);
674			FREE(entry);
675		}
676
677		rscreen->ws->buffer_unmap(rscreen->fences.bo->cs_buf);
678		pipe_resource_reference((struct pipe_resource**)&rscreen->fences.bo, NULL);
679	}
680	pipe_mutex_destroy(rscreen->fences.mutex);
681
682	rscreen->ws->destroy(rscreen->ws);
683	FREE(rscreen);
684}
685
686static void r600_fence_reference(struct pipe_screen *pscreen,
687                                 struct pipe_fence_handle **ptr,
688                                 struct pipe_fence_handle *fence)
689{
690	struct r600_fence **oldf = (struct r600_fence**)ptr;
691	struct r600_fence *newf = (struct r600_fence*)fence;
692
693	if (pipe_reference(&(*oldf)->reference, &newf->reference)) {
694		struct r600_screen *rscreen = (struct r600_screen *)pscreen;
695		pipe_mutex_lock(rscreen->fences.mutex);
696		pipe_resource_reference((struct pipe_resource**)&(*oldf)->sleep_bo, NULL);
697		LIST_ADDTAIL(&(*oldf)->head, &rscreen->fences.pool);
698		pipe_mutex_unlock(rscreen->fences.mutex);
699	}
700
701	*ptr = fence;
702}
703
704static boolean r600_fence_signalled(struct pipe_screen *pscreen,
705                                    struct pipe_fence_handle *fence)
706{
707	struct r600_screen *rscreen = (struct r600_screen *)pscreen;
708	struct r600_fence *rfence = (struct r600_fence*)fence;
709
710	return rscreen->fences.data[rfence->index];
711}
712
713static boolean r600_fence_finish(struct pipe_screen *pscreen,
714                                 struct pipe_fence_handle *fence,
715                                 uint64_t timeout)
716{
717	struct r600_screen *rscreen = (struct r600_screen *)pscreen;
718	struct r600_fence *rfence = (struct r600_fence*)fence;
719	int64_t start_time = 0;
720	unsigned spins = 0;
721
722	if (timeout != PIPE_TIMEOUT_INFINITE) {
723		start_time = os_time_get();
724
725		/* Convert to microseconds. */
726		timeout /= 1000;
727	}
728
729	while (rscreen->fences.data[rfence->index] == 0) {
730		/* Special-case infinite timeout - wait for the dummy BO to become idle */
731		if (timeout == PIPE_TIMEOUT_INFINITE) {
732			rscreen->ws->buffer_wait(rfence->sleep_bo->buf, RADEON_USAGE_READWRITE);
733			break;
734		}
735
736		/* The dummy BO will be busy until the CS including the fence has completed, or
737		 * the GPU is reset. Don't bother continuing to spin when the BO is idle. */
738		if (!rscreen->ws->buffer_is_busy(rfence->sleep_bo->buf, RADEON_USAGE_READWRITE))
739			break;
740
741		if (++spins % 256)
742			continue;
743#ifdef PIPE_OS_UNIX
744		sched_yield();
745#else
746		os_time_sleep(10);
747#endif
748		if (timeout != PIPE_TIMEOUT_INFINITE &&
749		    os_time_get() - start_time >= timeout) {
750			break;
751		}
752	}
753
754	return rscreen->fences.data[rfence->index] != 0;
755}
756
757static int r600_interpret_tiling(struct r600_screen *rscreen, uint32_t tiling_config)
758{
759	switch ((tiling_config & 0xe) >> 1) {
760	case 0:
761		rscreen->tiling_info.num_channels = 1;
762		break;
763	case 1:
764		rscreen->tiling_info.num_channels = 2;
765		break;
766	case 2:
767		rscreen->tiling_info.num_channels = 4;
768		break;
769	case 3:
770		rscreen->tiling_info.num_channels = 8;
771		break;
772	default:
773		return -EINVAL;
774	}
775
776	switch ((tiling_config & 0x30) >> 4) {
777	case 0:
778		rscreen->tiling_info.num_banks = 4;
779		break;
780	case 1:
781		rscreen->tiling_info.num_banks = 8;
782		break;
783	default:
784		return -EINVAL;
785
786	}
787	switch ((tiling_config & 0xc0) >> 6) {
788	case 0:
789		rscreen->tiling_info.group_bytes = 256;
790		break;
791	case 1:
792		rscreen->tiling_info.group_bytes = 512;
793		break;
794	default:
795		return -EINVAL;
796	}
797	return 0;
798}
799
800static int evergreen_interpret_tiling(struct r600_screen *rscreen, uint32_t tiling_config)
801{
802	switch (tiling_config & 0xf) {
803	case 0:
804		rscreen->tiling_info.num_channels = 1;
805		break;
806	case 1:
807		rscreen->tiling_info.num_channels = 2;
808		break;
809	case 2:
810		rscreen->tiling_info.num_channels = 4;
811		break;
812	case 3:
813		rscreen->tiling_info.num_channels = 8;
814		break;
815	default:
816		return -EINVAL;
817	}
818
819	switch ((tiling_config & 0xf0) >> 4) {
820	case 0:
821		rscreen->tiling_info.num_banks = 4;
822		break;
823	case 1:
824		rscreen->tiling_info.num_banks = 8;
825		break;
826	case 2:
827		rscreen->tiling_info.num_banks = 16;
828		break;
829	default:
830		return -EINVAL;
831	}
832
833	switch ((tiling_config & 0xf00) >> 8) {
834	case 0:
835		rscreen->tiling_info.group_bytes = 256;
836		break;
837	case 1:
838		rscreen->tiling_info.group_bytes = 512;
839		break;
840	default:
841		return -EINVAL;
842	}
843	return 0;
844}
845
846static int r600_init_tiling(struct r600_screen *rscreen)
847{
848	uint32_t tiling_config = rscreen->info.r600_tiling_config;
849
850	/* set default group bytes, overridden by tiling info ioctl */
851	if (rscreen->chip_class <= R700) {
852		rscreen->tiling_info.group_bytes = 256;
853	} else {
854		rscreen->tiling_info.group_bytes = 512;
855	}
856
857	if (!tiling_config)
858		return 0;
859
860	if (rscreen->chip_class <= R700) {
861		return r600_interpret_tiling(rscreen, tiling_config);
862	} else {
863		return evergreen_interpret_tiling(rscreen, tiling_config);
864	}
865}
866
867static unsigned radeon_family_from_device(unsigned device)
868{
869	switch (device) {
870#define CHIPSET(pciid, name, family) case pciid: return CHIP_##family;
871#include "pci_ids/r600_pci_ids.h"
872#undef CHIPSET
873	default:
874		return CHIP_UNKNOWN;
875	}
876}
877
878static uint64_t r600_get_timestamp(struct pipe_screen *screen)
879{
880	struct r600_screen *rscreen = (struct r600_screen*)screen;
881
882	return 1000000 * rscreen->ws->query_timestamp(rscreen->ws) /
883			rscreen->info.r600_clock_crystal_freq;
884}
885
886struct pipe_screen *r600_screen_create(struct radeon_winsys *ws)
887{
888	struct r600_screen *rscreen = CALLOC_STRUCT(r600_screen);
889
890	if (rscreen == NULL) {
891		return NULL;
892	}
893
894	rscreen->ws = ws;
895	ws->query_info(ws, &rscreen->info);
896
897	rscreen->family = radeon_family_from_device(rscreen->info.pci_id);
898	if (rscreen->family == CHIP_UNKNOWN) {
899		fprintf(stderr, "r600: Unknown chipset 0x%04X\n", rscreen->info.pci_id);
900		FREE(rscreen);
901		return NULL;
902	}
903
904	/* setup class */
905	if (rscreen->family >= CHIP_CAYMAN) {
906		rscreen->chip_class = CAYMAN;
907	} else if (rscreen->family >= CHIP_CEDAR) {
908		rscreen->chip_class = EVERGREEN;
909	} else if (rscreen->family >= CHIP_RV770) {
910		rscreen->chip_class = R700;
911	} else {
912		rscreen->chip_class = R600;
913	}
914
915	/* Figure out streamout kernel support. */
916	switch (rscreen->chip_class) {
917	case R600:
918	case EVERGREEN:
919		rscreen->has_streamout = rscreen->info.drm_minor >= 14;
920		break;
921	case R700:
922		rscreen->has_streamout = rscreen->info.drm_minor >= 17;
923		break;
924	/* TODO: Cayman */
925	default:
926		rscreen->has_streamout = debug_get_bool_option("R600_STREAMOUT", FALSE);
927	}
928
929	if (r600_init_tiling(rscreen)) {
930		FREE(rscreen);
931		return NULL;
932	}
933
934	rscreen->screen.destroy = r600_destroy_screen;
935	rscreen->screen.get_name = r600_get_name;
936	rscreen->screen.get_vendor = r600_get_vendor;
937	rscreen->screen.get_param = r600_get_param;
938	rscreen->screen.get_shader_param = r600_get_shader_param;
939	rscreen->screen.get_paramf = r600_get_paramf;
940	rscreen->screen.get_video_param = r600_get_video_param;
941	rscreen->screen.get_compute_param = r600_get_compute_param;
942	rscreen->screen.get_timestamp = r600_get_timestamp;
943
944	if (rscreen->chip_class >= EVERGREEN) {
945		rscreen->screen.is_format_supported = evergreen_is_format_supported;
946	} else {
947		rscreen->screen.is_format_supported = r600_is_format_supported;
948	}
949	rscreen->screen.is_video_format_supported = vl_video_buffer_is_format_supported;
950	rscreen->screen.context_create = r600_create_context;
951	rscreen->screen.fence_reference = r600_fence_reference;
952	rscreen->screen.fence_signalled = r600_fence_signalled;
953	rscreen->screen.fence_finish = r600_fence_finish;
954	r600_init_screen_resource_functions(&rscreen->screen);
955
956	util_format_s3tc_init();
957
958	rscreen->fences.bo = NULL;
959	rscreen->fences.data = NULL;
960	rscreen->fences.next_index = 0;
961	LIST_INITHEAD(&rscreen->fences.pool);
962	LIST_INITHEAD(&rscreen->fences.blocks);
963	pipe_mutex_init(rscreen->fences.mutex);
964
965	rscreen->global_pool = compute_memory_pool_new(rscreen);
966
967	return &rscreen->screen;
968}
969