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1 /*
2  * Copyright 2013 Advanced Micro Devices, Inc.
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: Marek Olšák <maraeo@gmail.com>
24  *
25  */
26 
27 /**
28  * This file contains common screen and context structures and functions
29  * for r600g and radeonsi.
30  */
31 
32 #ifndef R600_PIPE_COMMON_H
33 #define R600_PIPE_COMMON_H
34 
35 #include <stdio.h>
36 
37 #include "radeon/radeon_winsys.h"
38 
39 #include "util/disk_cache.h"
40 #include "util/u_blitter.h"
41 #include "util/list.h"
42 #include "util/u_range.h"
43 #include "util/slab.h"
44 #include "util/u_suballoc.h"
45 #include "util/u_transfer.h"
46 #include "util/u_threaded_context.h"
47 
48 #include "compiler/nir/nir.h"
49 
50 struct u_log_context;
51 #define ATI_VENDOR_ID 0x1002
52 
53 #define R600_RESOURCE_FLAG_TRANSFER		(PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
54 #define R600_RESOURCE_FLAG_FLUSHED_DEPTH	(PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
55 #define R600_RESOURCE_FLAG_FORCE_TILING		(PIPE_RESOURCE_FLAG_DRV_PRIV << 2)
56 #define R600_RESOURCE_FLAG_UNMAPPABLE		(PIPE_RESOURCE_FLAG_DRV_PRIV << 4)
57 
58 #define R600_CONTEXT_STREAMOUT_FLUSH		(1u << 0)
59 /* Pipeline & streamout query controls. */
60 #define R600_CONTEXT_START_PIPELINE_STATS	(1u << 1)
61 #define R600_CONTEXT_STOP_PIPELINE_STATS	(1u << 2)
62 #define R600_CONTEXT_FLUSH_FOR_RENDER_COND	(1u << 3)
63 #define R600_CONTEXT_PRIVATE_FLAG		(1u << 4)
64 
65 /* special primitive types */
66 #define R600_PRIM_RECTANGLE_LIST	PIPE_PRIM_MAX
67 
68 #define R600_NOT_QUERY		0xffffffff
69 
70 /* Debug flags. */
71 #define DBG_VS			(1 << PIPE_SHADER_VERTEX)
72 #define DBG_PS			(1 << PIPE_SHADER_FRAGMENT)
73 #define DBG_GS			(1 << PIPE_SHADER_GEOMETRY)
74 #define DBG_TCS			(1 << PIPE_SHADER_TESS_CTRL)
75 #define DBG_TES			(1 << PIPE_SHADER_TESS_EVAL)
76 #define DBG_CS			(1 << PIPE_SHADER_COMPUTE)
77 #define DBG_ALL_SHADERS		(DBG_FS - 1)
78 #define DBG_FS			(1 << 6) /* fetch shader */
79 #define DBG_TEX			(1 << 7)
80 #define DBG_NIR			(1 << 8)
81 #define DBG_COMPUTE		(1 << 9)
82 /* gap */
83 #define DBG_VM			(1 << 11)
84 #define DBG_NO_IR		(1 << 12)
85 #define DBG_NO_TGSI		(1 << 13)
86 #define DBG_NO_ASM		(1 << 14)
87 #define DBG_PREOPT_IR		(1 << 15)
88 #define DBG_CHECK_IR		(1 << 16)
89 #define DBG_NO_OPT_VARIANT	(1 << 17)
90 #define DBG_FS_CORRECT_DERIVS_AFTER_KILL (1 << 18)
91 /* gaps */
92 #define DBG_TEST_DMA		(1 << 20)
93 /* Bits 21-31 are reserved for the r600g driver. */
94 /* features */
95 #define DBG_NO_ASYNC_DMA	(1ull << 32)
96 #define DBG_NO_HYPERZ		(1ull << 33)
97 #define DBG_NO_DISCARD_RANGE	(1ull << 34)
98 #define DBG_NO_2D_TILING	(1ull << 35)
99 #define DBG_NO_TILING		(1ull << 36)
100 #define DBG_SWITCH_ON_EOP	(1ull << 37)
101 #define DBG_FORCE_DMA		(1ull << 38)
102 #define DBG_PRECOMPILE		(1ull << 39)
103 #define DBG_INFO		(1ull << 40)
104 #define DBG_NO_WC		(1ull << 41)
105 #define DBG_CHECK_VM		(1ull << 42)
106 /* gap */
107 #define DBG_UNSAFE_MATH		(1ull << 49)
108 #define DBG_TEST_VMFAULT_CP	(1ull << 51)
109 #define DBG_TEST_VMFAULT_SDMA	(1ull << 52)
110 #define DBG_TEST_VMFAULT_SHADER	(1ull << 53)
111 
112 #define R600_MAP_BUFFER_ALIGNMENT 64
113 #define R600_MAX_VIEWPORTS        16
114 
115 #define SI_MAX_VARIABLE_THREADS_PER_BLOCK 1024
116 
117 enum r600_coherency {
118 	R600_COHERENCY_NONE, /* no cache flushes needed */
119 	R600_COHERENCY_SHADER,
120 	R600_COHERENCY_CB_META,
121 };
122 
123 #if UTIL_ARCH_BIG_ENDIAN
124 #define R600_BIG_ENDIAN 1
125 #else
126 #define R600_BIG_ENDIAN 0
127 #endif
128 
129 struct r600_common_context;
130 struct r600_perfcounters;
131 struct tgsi_shader_info;
132 struct r600_qbo_state;
133 
134 /* Only 32-bit buffer allocations are supported, gallium doesn't support more
135  * at the moment.
136  */
137 struct r600_resource {
138 	struct threaded_resource	b;
139 
140 	/* Winsys objects. */
141 	struct pb_buffer		*buf;
142 	uint64_t			gpu_address;
143 	/* Memory usage if the buffer placement is optimal. */
144 	uint64_t			vram_usage;
145 	uint64_t			gart_usage;
146 
147 	/* Resource properties. */
148 	uint64_t			bo_size;
149 	unsigned			bo_alignment;
150 	enum radeon_bo_domain		domains;
151 	enum radeon_bo_flag		flags;
152 	unsigned			bind_history;
153 
154 	/* The buffer range which is initialized (with a write transfer,
155 	 * streamout, DMA, or as a random access target). The rest of
156 	 * the buffer is considered invalid and can be mapped unsynchronized.
157 	 *
158 	 * This allows unsychronized mapping of a buffer range which hasn't
159 	 * been used yet. It's for applications which forget to use
160 	 * the unsynchronized map flag and expect the driver to figure it out.
161          */
162 	struct util_range		valid_buffer_range;
163 
164 	/* Whether the resource has been exported via resource_get_handle. */
165 	unsigned			external_usage; /* PIPE_HANDLE_USAGE_* */
166 
167 	/* Whether this resource is referenced by bindless handles. */
168 	bool				texture_handle_allocated;
169 	bool				image_handle_allocated;
170 	bool                            compute_global_bo;
171 
172 	/*
173 	 * EG/Cayman only - for RAT operations hw need an immediate buffer
174 	 * to store results in.
175 	 */
176 	struct r600_resource            *immed_buffer;
177 };
178 
179 struct r600_transfer {
180 	struct threaded_transfer	b;
181 	struct r600_resource		*staging;
182 };
183 
184 struct r600_fmask_info {
185 	uint64_t offset;
186 	uint64_t size;
187 	unsigned alignment;
188 	unsigned pitch_in_pixels;
189 	unsigned bank_height;
190 	unsigned slice_tile_max;
191 	unsigned tile_mode_index;
192 	unsigned tile_swizzle;
193 };
194 
195 struct r600_cmask_info {
196 	uint64_t offset;
197 	uint64_t size;
198 	unsigned alignment;
199 	unsigned slice_tile_max;
200 	uint64_t base_address_reg;
201 };
202 
203 struct r600_texture {
204 	struct r600_resource		resource;
205 
206 	uint64_t			size;
207 	unsigned			num_level0_transfers;
208 	enum pipe_format		db_render_format;
209 	bool				is_depth;
210 	bool				db_compatible;
211 	bool				can_sample_z;
212 	bool				can_sample_s;
213 	unsigned			dirty_level_mask; /* each bit says if that mipmap is compressed */
214 	unsigned			stencil_dirty_level_mask; /* each bit says if that mipmap is compressed */
215 	struct r600_texture		*flushed_depth_texture;
216 	struct radeon_surf		surface;
217 
218 	/* Colorbuffer compression and fast clear. */
219 	struct r600_fmask_info		fmask;
220 	struct r600_cmask_info		cmask;
221 	struct r600_resource		*cmask_buffer;
222 	unsigned			cb_color_info; /* fast clear enable bit */
223 	unsigned			color_clear_value[2];
224 	unsigned			last_msaa_resolve_target_micro_mode;
225 
226 	/* Depth buffer compression and fast clear. */
227 	uint64_t			htile_offset;
228 	bool				depth_cleared; /* if it was cleared at least once */
229 	float				depth_clear_value;
230 	bool				stencil_cleared; /* if it was cleared at least once */
231 	uint8_t				stencil_clear_value;
232 
233 	bool				non_disp_tiling; /* R600-Cayman only */
234 
235 	/* Counter that should be non-zero if the texture is bound to a
236 	 * framebuffer. Implemented in radeonsi only.
237 	 */
238 	uint32_t			framebuffers_bound;
239 };
240 
241 struct r600_surface {
242 	struct pipe_surface		base;
243 
244 	/* These can vary with block-compressed textures. */
245 	unsigned width0;
246 	unsigned height0;
247 
248 	bool color_initialized;
249 	bool depth_initialized;
250 
251 	/* Misc. color flags. */
252 	bool alphatest_bypass;
253 	bool export_16bpc;
254 	bool color_is_int8;
255 	bool color_is_int10;
256 
257 	/* Color registers. */
258 	unsigned cb_color_info;
259 	unsigned cb_color_base;
260 	unsigned cb_color_view;
261 	unsigned cb_color_size;		/* R600 only */
262 	unsigned cb_color_dim;		/* EG only */
263 	unsigned cb_color_pitch;	/* EG and later */
264 	unsigned cb_color_slice;	/* EG and later */
265 	unsigned cb_color_attrib;	/* EG and later */
266 	unsigned cb_color_fmask;	/* CB_COLORn_FMASK (EG and later) or CB_COLORn_FRAG (r600) */
267 	unsigned cb_color_fmask_slice;	/* EG and later */
268 	unsigned cb_color_cmask;	/* CB_COLORn_TILE (r600 only) */
269 	unsigned cb_color_mask;		/* R600 only */
270 	struct r600_resource *cb_buffer_fmask; /* Used for FMASK relocations. R600 only */
271 	struct r600_resource *cb_buffer_cmask; /* Used for CMASK relocations. R600 only */
272 
273 	/* DB registers. */
274 	uint64_t db_depth_base;		/* DB_Z_READ/WRITE_BASE (EG and later) or DB_DEPTH_BASE (r600) */
275 	uint64_t db_stencil_base;	/* EG and later */
276 	uint64_t db_htile_data_base;
277 	unsigned db_depth_info;		/* R600 only, then SI and later */
278 	unsigned db_z_info;		/* EG and later */
279 	unsigned db_depth_view;
280 	unsigned db_depth_size;
281 	unsigned db_depth_slice;	/* EG and later */
282 	unsigned db_stencil_info;	/* EG and later */
283 	unsigned db_prefetch_limit;	/* R600 only */
284 	unsigned db_htile_surface;
285 	unsigned db_preload_control;	/* EG and later */
286 };
287 
288 struct r600_mmio_counter {
289 	unsigned busy;
290 	unsigned idle;
291 };
292 
293 union r600_mmio_counters {
294 	struct r600_mmio_counters_named {
295 		/* For global GPU load including SDMA. */
296 		struct r600_mmio_counter gpu;
297 
298 		/* GRBM_STATUS */
299 		struct r600_mmio_counter spi;
300 		struct r600_mmio_counter gui;
301 		struct r600_mmio_counter ta;
302 		struct r600_mmio_counter gds;
303 		struct r600_mmio_counter vgt;
304 		struct r600_mmio_counter ia;
305 		struct r600_mmio_counter sx;
306 		struct r600_mmio_counter wd;
307 		struct r600_mmio_counter bci;
308 		struct r600_mmio_counter sc;
309 		struct r600_mmio_counter pa;
310 		struct r600_mmio_counter db;
311 		struct r600_mmio_counter cp;
312 		struct r600_mmio_counter cb;
313 
314 		/* SRBM_STATUS2 */
315 		struct r600_mmio_counter sdma;
316 
317 		/* CP_STAT */
318 		struct r600_mmio_counter pfp;
319 		struct r600_mmio_counter meq;
320 		struct r600_mmio_counter me;
321 		struct r600_mmio_counter surf_sync;
322 		struct r600_mmio_counter cp_dma;
323 		struct r600_mmio_counter scratch_ram;
324 	} named;
325 	unsigned array[sizeof(struct r600_mmio_counters_named) / sizeof(unsigned)];
326 };
327 
328 struct r600_memory_object {
329 	struct pipe_memory_object	b;
330 	struct pb_buffer		*buf;
331 	uint32_t			stride;
332 	uint32_t			offset;
333 };
334 
335 struct r600_common_screen {
336 	struct pipe_screen		b;
337 	struct radeon_winsys		*ws;
338 	enum radeon_family		family;
339 	enum chip_class			chip_class;
340 	struct radeon_info		info;
341 	uint64_t			debug_flags;
342 	bool				has_cp_dma;
343 	bool				has_streamout;
344 
345 	struct disk_cache		*disk_shader_cache;
346 
347 	struct slab_parent_pool		pool_transfers;
348 
349 	/* Texture filter settings. */
350 	int				force_aniso; /* -1 = disabled */
351 
352 	/* Auxiliary context. Mainly used to initialize resources.
353 	 * It must be locked prior to using and flushed before unlocking. */
354 	struct pipe_context		*aux_context;
355 	mtx_t				aux_context_lock;
356 
357 	/* This must be in the screen, because UE4 uses one context for
358 	 * compilation and another one for rendering.
359 	 */
360 	unsigned			num_compilations;
361 	/* Along with ST_DEBUG=precompile, this should show if applications
362 	 * are loading shaders on demand. This is a monotonic counter.
363 	 */
364 	unsigned			num_shaders_created;
365 	unsigned			num_shader_cache_hits;
366 
367 	/* GPU load thread. */
368 	mtx_t				gpu_load_mutex;
369 	thrd_t				gpu_load_thread;
370 	union r600_mmio_counters	mmio_counters;
371 	volatile unsigned		gpu_load_stop_thread; /* bool */
372 
373 	char				renderer_string[100];
374 
375 	/* Performance counters. */
376 	struct r600_perfcounters	*perfcounters;
377 
378 	/* If pipe_screen wants to recompute and re-emit the framebuffer,
379 	 * sampler, and image states of all contexts, it should atomically
380 	 * increment this.
381 	 *
382 	 * Each context will compare this with its own last known value of
383 	 * the counter before drawing and re-emit the states accordingly.
384 	 */
385 	unsigned			dirty_tex_counter;
386 
387 	/* Atomically increment this counter when an existing texture's
388 	 * metadata is enabled or disabled in a way that requires changing
389 	 * contexts' compressed texture binding masks.
390 	 */
391 	unsigned			compressed_colortex_counter;
392 
393 	struct {
394 		/* Context flags to set so that all writes from earlier jobs
395 		 * in the CP are seen by L2 clients.
396 		 */
397 		unsigned cp_to_L2;
398 
399 		/* Context flags to set so that all writes from earlier jobs
400 		 * that end in L2 are seen by CP.
401 		 */
402 		unsigned L2_to_cp;
403 
404 		/* Context flags to set so that all writes from earlier
405 		 * compute jobs are seen by L2 clients.
406 		 */
407 		unsigned compute_to_L2;
408 	} barrier_flags;
409 
410         struct nir_shader_compiler_options nir_options;
411 };
412 
413 /* This encapsulates a state or an operation which can emitted into the GPU
414  * command stream. */
415 struct r600_atom {
416 	void (*emit)(struct r600_common_context *ctx, struct r600_atom *state);
417 	unsigned		num_dw;
418 	unsigned short		id;
419 };
420 
421 struct r600_so_target {
422 	struct pipe_stream_output_target b;
423 
424 	/* The buffer where BUFFER_FILLED_SIZE is stored. */
425 	struct r600_resource	*buf_filled_size;
426 	unsigned		buf_filled_size_offset;
427 	bool			buf_filled_size_valid;
428 
429 	unsigned		stride_in_dw;
430 };
431 
432 struct r600_streamout {
433 	struct r600_atom		begin_atom;
434 	bool				begin_emitted;
435 	unsigned			num_dw_for_end;
436 
437 	unsigned			enabled_mask;
438 	unsigned			num_targets;
439 	struct r600_so_target		*targets[PIPE_MAX_SO_BUFFERS];
440 
441 	unsigned			append_bitmask;
442 	bool				suspended;
443 
444 	/* External state which comes from the vertex shader,
445 	 * it must be set explicitly when binding a shader. */
446 	uint16_t			*stride_in_dw;
447 	unsigned			enabled_stream_buffers_mask; /* stream0 buffers0-3 in 4 LSB */
448 
449 	/* The state of VGT_STRMOUT_BUFFER_(CONFIG|EN). */
450 	unsigned			hw_enabled_mask;
451 
452 	/* The state of VGT_STRMOUT_(CONFIG|EN). */
453 	struct r600_atom		enable_atom;
454 	bool				streamout_enabled;
455 	bool				prims_gen_query_enabled;
456 	int				num_prims_gen_queries;
457 };
458 
459 struct r600_signed_scissor {
460 	int minx;
461 	int miny;
462 	int maxx;
463 	int maxy;
464 };
465 
466 struct r600_scissors {
467 	struct r600_atom		atom;
468 	unsigned			dirty_mask;
469 	struct pipe_scissor_state	states[R600_MAX_VIEWPORTS];
470 };
471 
472 struct r600_viewports {
473 	struct r600_atom		atom;
474 	unsigned			dirty_mask;
475 	unsigned			depth_range_dirty_mask;
476 	struct pipe_viewport_state	states[R600_MAX_VIEWPORTS];
477 	struct r600_signed_scissor	as_scissor[R600_MAX_VIEWPORTS];
478 };
479 
480 struct r600_ring {
481 	struct radeon_cmdbuf		cs;
482 	void (*flush)(void *ctx, unsigned flags,
483 		      struct pipe_fence_handle **fence);
484 };
485 
486 /* Saved CS data for debugging features. */
487 struct radeon_saved_cs {
488 	uint32_t			*ib;
489 	unsigned			num_dw;
490 
491 	struct radeon_bo_list_item	*bo_list;
492 	unsigned			bo_count;
493 };
494 
495 struct r600_common_context {
496 	struct pipe_context b; /* base class */
497 
498 	struct r600_common_screen	*screen;
499 	struct radeon_winsys		*ws;
500 	struct radeon_winsys_ctx	*ctx;
501 	enum radeon_family		family;
502 	enum chip_class			chip_class;
503 	struct r600_ring		gfx;
504 	struct r600_ring		dma;
505 	struct pipe_fence_handle	*last_gfx_fence;
506 	struct pipe_fence_handle	*last_sdma_fence;
507 	struct r600_resource		*eop_bug_scratch;
508 	unsigned			num_gfx_cs_flushes;
509 	unsigned			initial_gfx_cs_size;
510 	unsigned			last_dirty_tex_counter;
511 	unsigned			last_compressed_colortex_counter;
512 	unsigned			last_num_draw_calls;
513 
514 	struct threaded_context		*tc;
515 	struct u_suballocator		allocator_zeroed_memory;
516 	struct slab_child_pool		pool_transfers;
517 	struct slab_child_pool		pool_transfers_unsync; /* for threaded_context */
518 
519 	/* Current unaccounted memory usage. */
520 	uint64_t			vram;
521 	uint64_t			gtt;
522 
523 	/* States. */
524 	struct r600_streamout		streamout;
525 	struct r600_scissors		scissors;
526 	struct r600_viewports		viewports;
527 	bool				scissor_enabled;
528 	bool				clip_halfz;
529 	bool				vs_writes_viewport_index;
530 	bool				vs_disables_clipping_viewport;
531 
532 	/* Additional context states. */
533 	unsigned flags; /* flush flags */
534 
535 	/* Queries. */
536 	/* Maintain the list of active queries for pausing between IBs. */
537 	int				num_occlusion_queries;
538 	int				num_perfect_occlusion_queries;
539 	struct list_head		active_queries;
540 	unsigned			num_cs_dw_queries_suspend;
541 	/* Misc stats. */
542 	unsigned			num_draw_calls;
543 	unsigned			num_decompress_calls;
544 	unsigned			num_mrt_draw_calls;
545 	unsigned			num_prim_restart_calls;
546 	unsigned			num_spill_draw_calls;
547 	unsigned			num_compute_calls;
548 	unsigned			num_spill_compute_calls;
549 	unsigned			num_dma_calls;
550 	unsigned			num_cp_dma_calls;
551 	unsigned			num_vs_flushes;
552 	unsigned			num_ps_flushes;
553 	unsigned			num_cs_flushes;
554 	unsigned			num_cb_cache_flushes;
555 	unsigned			num_db_cache_flushes;
556 	unsigned			num_resident_handles;
557 	uint64_t			num_alloc_tex_transfer_bytes;
558 
559 	/* Render condition. */
560 	struct r600_atom		render_cond_atom;
561 	struct pipe_query		*render_cond;
562 	unsigned			render_cond_mode;
563 	bool				render_cond_invert;
564 	bool				render_cond_force_off; /* for u_blitter */
565 
566 	/* MSAA sample locations.
567 	 * The first index is the sample index.
568 	 * The second index is the coordinate: X, Y. */
569 	float				sample_locations_1x[1][2];
570 	float				sample_locations_2x[2][2];
571 	float				sample_locations_4x[4][2];
572 	float				sample_locations_8x[8][2];
573 	float				sample_locations_16x[16][2];
574 
575 	struct pipe_debug_callback	debug;
576 	struct pipe_device_reset_callback device_reset_callback;
577 	struct u_log_context		*log;
578 
579 	void				*query_result_shader;
580 
581 	/* Copy one resource to another using async DMA. */
582 	void (*dma_copy)(struct pipe_context *ctx,
583 			 struct pipe_resource *dst,
584 			 unsigned dst_level,
585 			 unsigned dst_x, unsigned dst_y, unsigned dst_z,
586 			 struct pipe_resource *src,
587 			 unsigned src_level,
588 			 const struct pipe_box *src_box);
589 
590 	void (*dma_clear_buffer)(struct pipe_context *ctx, struct pipe_resource *dst,
591 				 uint64_t offset, uint64_t size, unsigned value);
592 
593 	void (*clear_buffer)(struct pipe_context *ctx, struct pipe_resource *dst,
594 			     uint64_t offset, uint64_t size, unsigned value,
595 			     enum r600_coherency coher);
596 
597 	void (*blit_decompress_depth)(struct pipe_context *ctx,
598 				      struct r600_texture *texture,
599 				      struct r600_texture *staging,
600 				      unsigned first_level, unsigned last_level,
601 				      unsigned first_layer, unsigned last_layer,
602 				      unsigned first_sample, unsigned last_sample);
603 
604 	/* Reallocate the buffer and update all resource bindings where
605 	 * the buffer is bound, including all resource descriptors. */
606 	void (*invalidate_buffer)(struct pipe_context *ctx, struct pipe_resource *buf);
607 
608 	/* Update all resource bindings where the buffer is bound, including
609 	 * all resource descriptors. This is invalidate_buffer without
610 	 * the invalidation. */
611 	void (*rebind_buffer)(struct pipe_context *ctx, struct pipe_resource *buf,
612 			      uint64_t old_gpu_address);
613 
614 	void (*save_qbo_state)(struct pipe_context *ctx, struct r600_qbo_state *st);
615 
616 	/* This ensures there is enough space in the command stream. */
617 	void (*need_gfx_cs_space)(struct pipe_context *ctx, unsigned num_dw,
618 				  bool include_draw_vbo);
619 
620 	void (*set_atom_dirty)(struct r600_common_context *ctx,
621 			       struct r600_atom *atom, bool dirty);
622 
623 	void (*check_vm_faults)(struct r600_common_context *ctx,
624 				struct radeon_saved_cs *saved,
625 				enum ring_type ring);
626 };
627 
628 /* r600_buffer_common.c */
629 bool r600_rings_is_buffer_referenced(struct r600_common_context *ctx,
630 				     struct pb_buffer *buf,
631 				     enum radeon_bo_usage usage);
632 void *r600_buffer_map_sync_with_rings(struct r600_common_context *ctx,
633                                       struct r600_resource *resource,
634                                       unsigned usage);
635 void r600_buffer_subdata(struct pipe_context *ctx,
636 			 struct pipe_resource *buffer,
637 			 unsigned usage, unsigned offset,
638 			 unsigned size, const void *data);
639 void r600_init_resource_fields(struct r600_common_screen *rscreen,
640 			       struct r600_resource *res,
641 			       uint64_t size, unsigned alignment);
642 bool r600_alloc_resource(struct r600_common_screen *rscreen,
643 			 struct r600_resource *res);
644 void r600_buffer_destroy(struct pipe_screen *screen, struct pipe_resource *buf);
645 void r600_buffer_flush_region(struct pipe_context *ctx,
646 			      struct pipe_transfer *transfer,
647 			      const struct pipe_box *rel_box);
648 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
649 					 const struct pipe_resource *templ,
650 					 unsigned alignment);
651 struct pipe_resource * r600_aligned_buffer_create(struct pipe_screen *screen,
652 						  unsigned flags,
653 						  unsigned usage,
654 						  unsigned size,
655 						  unsigned alignment);
656 struct pipe_resource *
657 r600_buffer_from_user_memory(struct pipe_screen *screen,
658 			     const struct pipe_resource *templ,
659 			     void *user_memory);
660 void
661 r600_invalidate_resource(struct pipe_context *ctx,
662 			 struct pipe_resource *resource);
663 void r600_replace_buffer_storage(struct pipe_context *ctx,
664 				 struct pipe_resource *dst,
665 				 struct pipe_resource *src);
666 void *r600_buffer_transfer_map(struct pipe_context *ctx,
667                                struct pipe_resource *resource,
668                                unsigned level,
669                                unsigned usage,
670                                const struct pipe_box *box,
671                                struct pipe_transfer **ptransfer);
672 void r600_buffer_transfer_unmap(struct pipe_context *ctx,
673 				struct pipe_transfer *transfer);
674 
675 /* r600_common_pipe.c */
676 void r600_gfx_write_event_eop(struct r600_common_context *ctx,
677 			      unsigned event, unsigned event_flags,
678 			      unsigned data_sel,
679 			      struct r600_resource *buf, uint64_t va,
680 			      uint32_t new_fence, unsigned query_type);
681 unsigned r600_gfx_write_fence_dwords(struct r600_common_screen *screen);
682 void r600_gfx_wait_fence(struct r600_common_context *ctx,
683 			 struct r600_resource *buf,
684 			 uint64_t va, uint32_t ref, uint32_t mask);
685 void r600_draw_rectangle(struct blitter_context *blitter,
686 			 void *vertex_elements_cso,
687 			 blitter_get_vs_func get_vs,
688 			 int x1, int y1, int x2, int y2,
689 			 float depth, unsigned num_instances,
690 			 enum blitter_attrib_type type,
691 			 const union blitter_attrib *attrib);
692 bool r600_common_screen_init(struct r600_common_screen *rscreen,
693 			     struct radeon_winsys *ws);
694 void r600_destroy_common_screen(struct r600_common_screen *rscreen);
695 void r600_preflush_suspend_features(struct r600_common_context *ctx);
696 void r600_postflush_resume_features(struct r600_common_context *ctx);
697 bool r600_common_context_init(struct r600_common_context *rctx,
698 			      struct r600_common_screen *rscreen,
699 			      unsigned context_flags);
700 void r600_common_context_cleanup(struct r600_common_context *rctx);
701 bool r600_can_dump_shader(struct r600_common_screen *rscreen,
702 			  unsigned processor);
703 bool r600_extra_shader_checks(struct r600_common_screen *rscreen,
704 			      unsigned processor);
705 void r600_screen_clear_buffer(struct r600_common_screen *rscreen, struct pipe_resource *dst,
706 			      uint64_t offset, uint64_t size, unsigned value);
707 struct pipe_resource *r600_resource_create_common(struct pipe_screen *screen,
708 						  const struct pipe_resource *templ);
709 const char *r600_get_llvm_processor_name(enum radeon_family family);
710 void r600_need_dma_space(struct r600_common_context *ctx, unsigned num_dw,
711 			 struct r600_resource *dst, struct r600_resource *src);
712 void radeon_save_cs(struct radeon_winsys *ws, struct radeon_cmdbuf *cs,
713 		    struct radeon_saved_cs *saved, bool get_buffer_list);
714 void radeon_clear_saved_cs(struct radeon_saved_cs *saved);
715 bool r600_check_device_reset(struct r600_common_context *rctx);
716 
717 /* r600_gpu_load.c */
718 void r600_gpu_load_kill_thread(struct r600_common_screen *rscreen);
719 uint64_t r600_begin_counter(struct r600_common_screen *rscreen, unsigned type);
720 unsigned r600_end_counter(struct r600_common_screen *rscreen, unsigned type,
721 			  uint64_t begin);
722 
723 /* r600_perfcounters.c */
724 void r600_perfcounters_destroy(struct r600_common_screen *rscreen);
725 
726 /* r600_query.c */
727 void r600_init_screen_query_functions(struct r600_common_screen *rscreen);
728 void r600_query_init(struct r600_common_context *rctx);
729 void r600_suspend_queries(struct r600_common_context *ctx);
730 void r600_resume_queries(struct r600_common_context *ctx);
731 void r600_query_fix_enabled_rb_mask(struct r600_common_screen *rscreen);
732 
733 /* r600_streamout.c */
734 void r600_streamout_buffers_dirty(struct r600_common_context *rctx);
735 void r600_set_streamout_targets(struct pipe_context *ctx,
736 				unsigned num_targets,
737 				struct pipe_stream_output_target **targets,
738 				const unsigned *offset);
739 void r600_emit_streamout_end(struct r600_common_context *rctx);
740 void r600_update_prims_generated_query_state(struct r600_common_context *rctx,
741 					     unsigned type, int diff);
742 void r600_streamout_init(struct r600_common_context *rctx);
743 
744 /* r600_test_dma.c */
745 void r600_test_dma(struct r600_common_screen *rscreen);
746 
747 /* r600_texture.c */
748 bool r600_prepare_for_dma_blit(struct r600_common_context *rctx,
749 				struct r600_texture *rdst,
750 				unsigned dst_level, unsigned dstx,
751 				unsigned dsty, unsigned dstz,
752 				struct r600_texture *rsrc,
753 				unsigned src_level,
754 				const struct pipe_box *src_box);
755 void r600_texture_destroy(struct pipe_screen *screen, struct pipe_resource *ptex);
756 void r600_texture_get_fmask_info(struct r600_common_screen *rscreen,
757 				 struct r600_texture *rtex,
758 				 unsigned nr_samples,
759 				 struct r600_fmask_info *out);
760 void r600_texture_get_cmask_info(struct r600_common_screen *rscreen,
761 				 struct r600_texture *rtex,
762 				 struct r600_cmask_info *out);
763 bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
764 				     struct pipe_resource *texture,
765 				     struct r600_texture **staging);
766 void r600_print_texture_info(struct r600_common_screen *rscreen,
767 			     struct r600_texture *rtex, struct u_log_context *log);
768 struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
769 					const struct pipe_resource *templ);
770 struct pipe_surface *r600_create_surface_custom(struct pipe_context *pipe,
771 						struct pipe_resource *texture,
772 						const struct pipe_surface *templ,
773 						unsigned width0, unsigned height0,
774 						unsigned width, unsigned height);
775 unsigned r600_translate_colorswap(enum pipe_format format, bool do_endian_swap);
776 void evergreen_do_fast_color_clear(struct r600_common_context *rctx,
777 				   struct pipe_framebuffer_state *fb,
778 				   struct r600_atom *fb_state,
779 				   unsigned *buffers, ubyte *dirty_cbufs,
780 				   const union pipe_color_union *color);
781 void r600_init_screen_texture_functions(struct r600_common_screen *rscreen);
782 void r600_init_context_texture_functions(struct r600_common_context *rctx);
783 void eg_resource_alloc_immed(struct r600_common_screen *rscreen,
784 			     struct r600_resource *res,
785 			     unsigned immed_size);
786 void *r600_texture_transfer_map(struct pipe_context *ctx,
787 			       struct pipe_resource *texture,
788 			       unsigned level,
789 			       unsigned usage,
790 			       const struct pipe_box *box,
791 			       struct pipe_transfer **ptransfer);
792 void r600_texture_transfer_unmap(struct pipe_context *ctx,
793 				struct pipe_transfer* transfer);
794 
795 /* r600_viewport.c */
796 void evergreen_apply_scissor_bug_workaround(struct r600_common_context *rctx,
797 					    struct pipe_scissor_state *scissor);
798 void r600_viewport_set_rast_deps(struct r600_common_context *rctx,
799 				 bool scissor_enable, bool clip_halfz);
800 void r600_update_vs_writes_viewport_index(struct r600_common_context *rctx,
801 					  struct tgsi_shader_info *info);
802 void r600_init_viewport_functions(struct r600_common_context *rctx);
803 
804 /* cayman_msaa.c */
805 extern const uint32_t eg_sample_locs_2x[4];
806 extern const unsigned eg_max_dist_2x;
807 extern const uint32_t eg_sample_locs_4x[4];
808 extern const unsigned eg_max_dist_4x;
809 void cayman_get_sample_position(struct pipe_context *ctx, unsigned sample_count,
810 				unsigned sample_index, float *out_value);
811 void cayman_init_msaa(struct pipe_context *ctx);
812 void cayman_emit_msaa_state(struct radeon_cmdbuf *cs, int nr_samples,
813 			    int ps_iter_samples, int overrast_samples);
814 
815 
816 /* Inline helpers. */
817 
r600_resource(struct pipe_resource * r)818 static inline struct r600_resource *r600_resource(struct pipe_resource *r)
819 {
820 	return (struct r600_resource*)r;
821 }
822 
823 static inline void
r600_resource_reference(struct r600_resource ** ptr,struct r600_resource * res)824 r600_resource_reference(struct r600_resource **ptr, struct r600_resource *res)
825 {
826 	pipe_resource_reference((struct pipe_resource **)ptr,
827 				(struct pipe_resource *)res);
828 }
829 
830 static inline void
r600_texture_reference(struct r600_texture ** ptr,struct r600_texture * res)831 r600_texture_reference(struct r600_texture **ptr, struct r600_texture *res)
832 {
833 	pipe_resource_reference((struct pipe_resource **)ptr, &res->resource.b.b);
834 }
835 
836 static inline void
r600_context_add_resource_size(struct pipe_context * ctx,struct pipe_resource * r)837 r600_context_add_resource_size(struct pipe_context *ctx, struct pipe_resource *r)
838 {
839 	struct r600_common_context *rctx = (struct r600_common_context *)ctx;
840 	struct r600_resource *res = (struct r600_resource *)r;
841 
842 	if (res) {
843 		/* Add memory usage for need_gfx_cs_space */
844 		rctx->vram += res->vram_usage;
845 		rctx->gtt += res->gart_usage;
846 	}
847 }
848 
r600_get_strmout_en(struct r600_common_context * rctx)849 static inline bool r600_get_strmout_en(struct r600_common_context *rctx)
850 {
851 	return rctx->streamout.streamout_enabled ||
852 	       rctx->streamout.prims_gen_query_enabled;
853 }
854 
855 #define     SQ_TEX_XY_FILTER_POINT                         0x00
856 #define     SQ_TEX_XY_FILTER_BILINEAR                      0x01
857 #define     SQ_TEX_XY_FILTER_ANISO_POINT                   0x02
858 #define     SQ_TEX_XY_FILTER_ANISO_BILINEAR                0x03
859 
eg_tex_filter(unsigned filter,unsigned max_aniso)860 static inline unsigned eg_tex_filter(unsigned filter, unsigned max_aniso)
861 {
862 	if (filter == PIPE_TEX_FILTER_LINEAR)
863 		return max_aniso > 1 ? SQ_TEX_XY_FILTER_ANISO_BILINEAR
864 				     : SQ_TEX_XY_FILTER_BILINEAR;
865 	else
866 		return max_aniso > 1 ? SQ_TEX_XY_FILTER_ANISO_POINT
867 				     : SQ_TEX_XY_FILTER_POINT;
868 }
869 
r600_tex_aniso_filter(unsigned filter)870 static inline unsigned r600_tex_aniso_filter(unsigned filter)
871 {
872 	if (filter < 2)
873 		return 0;
874 	if (filter < 4)
875 		return 1;
876 	if (filter < 8)
877 		return 2;
878 	if (filter < 16)
879 		return 3;
880 	return 4;
881 }
882 
r600_wavefront_size(enum radeon_family family)883 static inline unsigned r600_wavefront_size(enum radeon_family family)
884 {
885 	switch (family) {
886 	case CHIP_RV610:
887 	case CHIP_RS780:
888 	case CHIP_RV620:
889 	case CHIP_RS880:
890 		return 16;
891 	case CHIP_RV630:
892 	case CHIP_RV635:
893 	case CHIP_RV730:
894 	case CHIP_RV710:
895 	case CHIP_PALM:
896 	case CHIP_CEDAR:
897 		return 32;
898 	default:
899 		return 64;
900 	}
901 }
902 
903 static inline enum radeon_bo_priority
r600_get_sampler_view_priority(struct r600_resource * res)904 r600_get_sampler_view_priority(struct r600_resource *res)
905 {
906 	if (res->b.b.target == PIPE_BUFFER)
907 		return RADEON_PRIO_SAMPLER_BUFFER;
908 
909 	if (res->b.b.nr_samples > 1)
910 		return RADEON_PRIO_SAMPLER_TEXTURE_MSAA;
911 
912 	return RADEON_PRIO_SAMPLER_TEXTURE;
913 }
914 
915 static inline bool
r600_can_sample_zs(struct r600_texture * tex,bool stencil_sampler)916 r600_can_sample_zs(struct r600_texture *tex, bool stencil_sampler)
917 {
918 	return (stencil_sampler && tex->can_sample_s) ||
919 	       (!stencil_sampler && tex->can_sample_z);
920 }
921 
922 static inline bool
r600_htile_enabled(struct r600_texture * tex,unsigned level)923 r600_htile_enabled(struct r600_texture *tex, unsigned level)
924 {
925 	return tex->htile_offset && level == 0;
926 }
927 
928 #define COMPUTE_DBG(rscreen, fmt, args...) \
929 	do { \
930 		if ((rscreen->b.debug_flags & DBG_COMPUTE)) fprintf(stderr, fmt, ##args); \
931 	} while (0);
932 
933 #define R600_ERR(fmt, args...) \
934 	fprintf(stderr, "EE %s:%d %s - " fmt, __FILE__, __LINE__, __func__, ##args)
935 
936 /* For MSAA sample positions. */
937 #define FILL_SREG(s0x, s0y, s1x, s1y, s2x, s2y, s3x, s3y)  \
938 	(((s0x) & 0xf) | (((unsigned)(s0y) & 0xf) << 4) |		   \
939 	(((unsigned)(s1x) & 0xf) << 8) | (((unsigned)(s1y) & 0xf) << 12) |	   \
940 	(((unsigned)(s2x) & 0xf) << 16) | (((unsigned)(s2y) & 0xf) << 20) |	   \
941 	 (((unsigned)(s3x) & 0xf) << 24) | (((unsigned)(s3y) & 0xf) << 28))
942 
S_FIXED(float value,unsigned frac_bits)943 static inline int S_FIXED(float value, unsigned frac_bits)
944 {
945 	return value * (1 << frac_bits);
946 }
947 
948 #endif
949