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  * Authors:
24  *      Jerome Glisse
25  */
26 #ifndef R600_PIPE_H
27 #define R600_PIPE_H
28 
29 #include "util/u_blitter.h"
30 #include "util/u_slab.h"
31 #include "r600.h"
32 #include "r600_llvm.h"
33 #include "r600_public.h"
34 #include "r600_shader.h"
35 #include "r600_resource.h"
36 #include "evergreen_compute.h"
37 
38 #define R600_MAX_CONST_BUFFERS 2
39 #define R600_MAX_CONST_BUFFER_SIZE 4096
40 
41 #ifdef PIPE_ARCH_BIG_ENDIAN
42 #define R600_BIG_ENDIAN 1
43 #else
44 #define R600_BIG_ENDIAN 0
45 #endif
46 
47 enum r600_atom_flags {
48 	/* When set, atoms are added at the beginning of the dirty list
49 	 * instead of the end. */
50 	EMIT_EARLY = (1 << 0)
51 };
52 
53 /* This encapsulates a state or an operation which can emitted into the GPU
54  * command stream. It's not limited to states only, it can be used for anything
55  * that wants to write commands into the CS (e.g. cache flushes). */
56 struct r600_atom {
57 	void (*emit)(struct r600_context *ctx, struct r600_atom *state);
58 
59 	unsigned		num_dw;
60 	enum r600_atom_flags	flags;
61 	bool			dirty;
62 
63 	struct list_head	head;
64 };
65 
66 /* This is an atom containing GPU commands that never change.
67  * This is supposed to be copied directly into the CS. */
68 struct r600_command_buffer {
69 	struct r600_atom atom;
70 	uint32_t *buf;
71 	unsigned max_num_dw;
72 	unsigned pkt_flags;
73 };
74 
75 struct r600_surface_sync_cmd {
76 	struct r600_atom atom;
77 	unsigned flush_flags; /* CP_COHER_CNTL */
78 };
79 
80 struct r600_db_misc_state {
81 	struct r600_atom atom;
82 	bool occlusion_query_enabled;
83 	bool flush_depthstencil_through_cb;
84 	bool copy_depth, copy_stencil;
85 	unsigned copy_sample;
86 	unsigned log_samples;
87 };
88 
89 struct r600_cb_misc_state {
90 	struct r600_atom atom;
91 	unsigned cb_color_control; /* this comes from blend state */
92 	unsigned blend_colormask; /* 8*4 bits for 8 RGBA colorbuffers */
93 	unsigned nr_cbufs;
94 	unsigned nr_ps_color_outputs;
95 	bool multiwrite;
96 	bool dual_src_blend;
97 };
98 
99 struct r600_alphatest_state {
100 	struct r600_atom atom;
101 	unsigned sx_alpha_test_control; /* this comes from dsa state */
102 	unsigned sx_alpha_ref; /* this comes from dsa state */
103 	bool bypass;
104 	bool cb0_export_16bpc; /* from set_framebuffer_state */
105 };
106 
107 struct r600_cs_shader_state {
108 	struct r600_atom atom;
109 	struct r600_pipe_compute *shader;
110 };
111 
112 struct r600_sample_mask {
113 	struct r600_atom atom;
114 	uint16_t sample_mask; /* there are only 8 bits on EG, 16 bits on Cayman */
115 };
116 
117 enum r600_pipe_state_id {
118 	R600_PIPE_STATE_BLEND = 0,
119 	R600_PIPE_STATE_BLEND_COLOR,
120 	R600_PIPE_STATE_CONFIG,
121 	R600_PIPE_STATE_SEAMLESS_CUBEMAP,
122 	R600_PIPE_STATE_CLIP,
123 	R600_PIPE_STATE_SCISSOR,
124 	R600_PIPE_STATE_VIEWPORT,
125 	R600_PIPE_STATE_RASTERIZER,
126 	R600_PIPE_STATE_VGT,
127 	R600_PIPE_STATE_FRAMEBUFFER,
128 	R600_PIPE_STATE_DSA,
129 	R600_PIPE_STATE_STENCIL_REF,
130 	R600_PIPE_STATE_PS_SHADER,
131 	R600_PIPE_STATE_VS_SHADER,
132 	R600_PIPE_STATE_CONSTANT,
133 	R600_PIPE_STATE_SAMPLER,
134 	R600_PIPE_STATE_RESOURCE,
135 	R600_PIPE_STATE_POLYGON_OFFSET,
136 	R600_PIPE_STATE_FETCH_SHADER,
137 	R600_PIPE_STATE_SPI,
138 	R600_PIPE_NSTATES
139 };
140 
141 struct compute_memory_pool;
142 void compute_memory_pool_delete(struct compute_memory_pool* pool);
143 struct compute_memory_pool* compute_memory_pool_new(
144 	struct r600_screen *rscreen);
145 
146 struct r600_pipe_fences {
147 	struct r600_resource		*bo;
148 	unsigned			*data;
149 	unsigned			next_index;
150 	/* linked list of preallocated blocks */
151 	struct list_head		blocks;
152 	/* linked list of freed fences */
153 	struct list_head		pool;
154 	pipe_mutex			mutex;
155 };
156 
157 struct r600_screen {
158 	struct pipe_screen		screen;
159 	struct radeon_winsys		*ws;
160 	unsigned			family;
161 	enum chip_class			chip_class;
162 	struct radeon_info		info;
163 	bool				has_streamout;
164 	struct r600_tiling_info		tiling_info;
165 	struct r600_pipe_fences		fences;
166 
167 	/*for compute global memory binding, we allocate stuff here, instead of
168 	 * buffers.
169 	 * XXX: Not sure if this is the best place for global_pool.  Also,
170 	 * it's not thread safe, so it won't work with multiple contexts. */
171 	struct compute_memory_pool *global_pool;
172 };
173 
174 struct r600_pipe_sampler_view {
175 	struct pipe_sampler_view	base;
176 	struct r600_resource		*tex_resource;
177 	uint32_t			tex_resource_words[8];
178 };
179 
180 struct r600_pipe_rasterizer {
181 	struct r600_pipe_state		rstate;
182 	boolean				flatshade;
183 	boolean				two_side;
184 	unsigned			sprite_coord_enable;
185 	unsigned                        clip_plane_enable;
186 	unsigned			pa_sc_line_stipple;
187 	unsigned			pa_cl_clip_cntl;
188 	float				offset_units;
189 	float				offset_scale;
190 	bool				scissor_enable;
191 	bool				multisample_enable;
192 };
193 
194 struct r600_pipe_blend {
195 	struct r600_pipe_state		rstate;
196 	unsigned			cb_target_mask;
197 	unsigned			cb_color_control;
198 	bool				dual_src_blend;
199 	bool				alpha_to_one;
200 };
201 
202 struct r600_pipe_dsa {
203 	struct r600_pipe_state		rstate;
204 	unsigned			alpha_ref;
205 	ubyte				valuemask[2];
206 	ubyte				writemask[2];
207 	unsigned                        sx_alpha_test_control;
208 };
209 
210 struct r600_vertex_element
211 {
212 	unsigned			count;
213 	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
214 	struct r600_resource		*fetch_shader;
215 	unsigned			fs_size;
216 	struct r600_pipe_state		rstate;
217 };
218 
219 struct r600_pipe_shader;
220 
221 struct r600_pipe_shader_selector {
222 	struct r600_pipe_shader *current;
223 
224 	struct tgsi_token       *tokens;
225 	struct pipe_stream_output_info  so;
226 
227 	unsigned	num_shaders;
228 
229 	/* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
230 	unsigned	type;
231 
232 	unsigned	nr_ps_max_color_exports;
233 };
234 
235 struct r600_pipe_shader {
236 	struct r600_pipe_shader_selector *selector;
237 	struct r600_pipe_shader	*next_variant;
238 	struct r600_shader		shader;
239 	struct r600_pipe_state		rstate;
240 	struct r600_resource		*bo;
241 	struct r600_resource		*bo_fetch;
242 	struct r600_vertex_element	vertex_elements;
243 	unsigned	sprite_coord_enable;
244 	unsigned	flatshade;
245 	unsigned	pa_cl_vs_out_cntl;
246 	unsigned	nr_ps_color_outputs;
247 	unsigned	key;
248 	unsigned		db_shader_control;
249 	unsigned		ps_depth_export;
250 };
251 
252 struct r600_pipe_sampler_state {
253 	uint32_t			tex_sampler_words[3];
254 	uint32_t			border_color[4];
255 	bool				border_color_use;
256 	bool				seamless_cube_map;
257 };
258 
259 /* needed for blitter save */
260 #define NUM_TEX_UNITS 16
261 
262 struct r600_seamless_cube_map {
263 	struct r600_atom		atom;
264 	bool				enabled;
265 };
266 
267 struct r600_samplerview_state {
268 	struct r600_atom		atom;
269 	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
270 	uint32_t			enabled_mask;
271 	uint32_t			dirty_mask;
272 	uint32_t			compressed_depthtex_mask; /* which textures are depth */
273 	uint32_t			compressed_colortex_mask;
274 };
275 
276 struct r600_textures_info {
277 	struct r600_samplerview_state	views;
278 	struct r600_atom		atom_sampler;
279 	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
280 	unsigned			n_samplers;
281 	bool				is_array_sampler[NUM_TEX_UNITS];
282 };
283 
284 struct r600_fence {
285 	struct pipe_reference		reference;
286 	unsigned			index; /* in the shared bo */
287 	struct r600_resource		*sleep_bo;
288 	struct list_head		head;
289 };
290 
291 #define FENCE_BLOCK_SIZE 16
292 
293 struct r600_fence_block {
294 	struct r600_fence		fences[FENCE_BLOCK_SIZE];
295 	struct list_head		head;
296 };
297 
298 #define R600_CONSTANT_ARRAY_SIZE 256
299 #define R600_RESOURCE_ARRAY_SIZE 160
300 
301 struct r600_stencil_ref
302 {
303 	ubyte ref_value[2];
304 	ubyte valuemask[2];
305 	ubyte writemask[2];
306 };
307 
308 struct r600_constbuf_state
309 {
310 	struct r600_atom		atom;
311 	struct pipe_constant_buffer	cb[PIPE_MAX_CONSTANT_BUFFERS];
312 	uint32_t			enabled_mask;
313 	uint32_t			dirty_mask;
314 };
315 
316 struct r600_vertexbuf_state
317 {
318 	struct r600_atom		atom;
319 	struct pipe_vertex_buffer	vb[PIPE_MAX_ATTRIBS];
320 	uint32_t			enabled_mask; /* non-NULL buffers */
321 	uint32_t			dirty_mask;
322 };
323 
324 struct r600_context {
325 	struct pipe_context		context;
326 	struct blitter_context		*blitter;
327 	enum radeon_family		family;
328 	enum chip_class			chip_class;
329 	boolean				has_vertex_cache;
330 	unsigned			r6xx_num_clause_temp_gprs;
331 	void				*custom_dsa_flush;
332 	void				*custom_blend_resolve;
333 	void				*custom_blend_decompress;
334 
335 	struct r600_screen		*screen;
336 	struct radeon_winsys		*ws;
337 	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
338 	struct r600_vertex_element	*vertex_elements;
339 	struct pipe_framebuffer_state	framebuffer;
340 	unsigned			compressed_cb_mask;
341 	unsigned			compute_cb_target_mask;
342 	unsigned			db_shader_control;
343 	unsigned			pa_sc_line_stipple;
344 	unsigned			pa_cl_clip_cntl;
345 	/* for saving when using blitter */
346 	struct pipe_stencil_ref		stencil_ref;
347 	struct pipe_viewport_state	viewport;
348 	struct pipe_clip_state		clip;
349 	struct r600_pipe_shader_selector 	*ps_shader;
350 	struct r600_pipe_shader_selector 	*vs_shader;
351 	struct r600_pipe_rasterizer	*rasterizer;
352 	struct r600_pipe_state          vgt;
353 	struct r600_pipe_state          spi;
354 	struct pipe_query		*current_render_cond;
355 	unsigned			current_render_cond_mode;
356 	struct pipe_query		*saved_render_cond;
357 	unsigned			saved_render_cond_mode;
358 	/* shader information */
359 	boolean				two_side;
360 	boolean				spi_dirty;
361 	unsigned			sprite_coord_enable;
362 	boolean				flatshade;
363 	boolean				export_16bpc;
364 	unsigned			nr_cbufs;
365 	bool				alpha_to_one;
366 	bool				multisample_enable;
367 	bool				cb0_is_integer;
368 
369 	struct u_upload_mgr	        *uploader;
370 	struct util_slab_mempool	pool_transfers;
371 
372 	unsigned default_ps_gprs, default_vs_gprs;
373 
374 	/* current unaccounted memory usage */
375 	uint64_t			vram;
376 	uint64_t			gtt;
377 
378 	/* States based on r600_atom. */
379 	struct list_head		dirty_states;
380 	struct r600_command_buffer	start_cs_cmd; /* invariant state mostly */
381 	/** Compute specific registers initializations.  The start_cs_cmd atom
382 	 *  must be emitted before start_compute_cs_cmd. */
383         struct r600_command_buffer      start_compute_cs_cmd;
384 	struct r600_surface_sync_cmd	surface_sync_cmd;
385 	struct r600_atom		r6xx_flush_and_inv_cmd;
386 	struct r600_alphatest_state	alphatest_state;
387 	struct r600_cb_misc_state	cb_misc_state;
388 	struct r600_db_misc_state	db_misc_state;
389 	/** Vertex buffers for fetch shaders */
390 	struct r600_vertexbuf_state	vertex_buffer_state;
391 	/** Vertex buffers for compute shaders */
392 	struct r600_vertexbuf_state	cs_vertex_buffer_state;
393 	struct r600_constbuf_state	vs_constbuf_state;
394 	struct r600_constbuf_state	ps_constbuf_state;
395 	struct r600_textures_info	vs_samplers;
396 	struct r600_textures_info	ps_samplers;
397 	struct r600_seamless_cube_map	seamless_cube_map;
398 	struct r600_cs_shader_state	cs_shader_state;
399 	struct r600_sample_mask		sample_mask;
400 
401 	/* current external blend state (from state tracker) */
402 	struct r600_pipe_blend		*blend;
403 	/* state with disabled blending - used internally with blend_override */
404 	struct r600_pipe_blend		*no_blend;
405 
406 	/* 1 - override current blend state with no_blend, 0 - use external state */
407 	unsigned	blend_override;
408 
409 	struct radeon_winsys_cs	*cs;
410 
411 	struct r600_range	*range;
412 	unsigned		nblocks;
413 	struct r600_block	**blocks;
414 	struct list_head	dirty;
415 	struct list_head	enable_list;
416 	unsigned		pm4_dirty_cdwords;
417 	unsigned		ctx_pm4_ndwords;
418 
419 	/* The list of active queries. Only one query of each type can be active. */
420 	int			num_occlusion_queries;
421 
422 	/* Manage queries in two separate groups:
423 	 * The timer ones and the others (streamout, occlusion).
424 	 *
425 	 * We do this because we should only suspend non-timer queries for u_blitter,
426 	 * and later if the non-timer queries are suspended, the context flush should
427 	 * only suspend and resume the timer queries. */
428 	struct list_head	active_timer_queries;
429 	unsigned		num_cs_dw_timer_queries_suspend;
430 	struct list_head	active_nontimer_queries;
431 	unsigned		num_cs_dw_nontimer_queries_suspend;
432 
433 	unsigned		num_cs_dw_streamout_end;
434 
435 	unsigned		backend_mask;
436 	unsigned                max_db; /* for OQ */
437 	unsigned		flags;
438 	boolean                 predicate_drawing;
439 
440 	unsigned		num_so_targets;
441 	struct r600_so_target	*so_targets[PIPE_MAX_SO_BUFFERS];
442 	boolean			streamout_start;
443 	unsigned		streamout_append_bitmask;
444 
445 	/* There is no scissor enable bit on r6xx, so we must use a workaround.
446 	 * These track the current scissor state. */
447 	bool			scissor_enable;
448 	struct pipe_scissor_state scissor_state;
449 
450 	/* With rasterizer discard, there doesn't have to be a pixel shader.
451 	 * In that case, we bind this one: */
452 	void			*dummy_pixel_shader;
453 
454 	boolean			dual_src_blend;
455 
456 	/* Index buffer. */
457 	struct pipe_index_buffer index_buffer;
458 
459 	/* Dummy CMASK and FMASK buffers used to get around the R6xx hardware
460 	 * bug where valid CMASK and FMASK are required to be present to avoid
461 	 * a hardlock in certain operations but aren't actually used
462 	 * for anything useful. */
463 	struct r600_resource *dummy_fmask;
464 	struct r600_resource *dummy_cmask;
465 };
466 
r600_emit_atom(struct r600_context * rctx,struct r600_atom * atom)467 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
468 {
469 	atom->emit(rctx, atom);
470 	atom->dirty = false;
471 	if (atom->head.next && atom->head.prev)
472 		LIST_DELINIT(&atom->head);
473 }
474 
r600_atom_dirty(struct r600_context * rctx,struct r600_atom * state)475 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
476 {
477 	if (!state->dirty) {
478 		if (state->flags & EMIT_EARLY) {
479 			LIST_ADD(&state->head, &rctx->dirty_states);
480 		} else {
481 			LIST_ADDTAIL(&state->head, &rctx->dirty_states);
482 		}
483 		state->dirty = true;
484 	}
485 }
486 
487 /* evergreen_state.c */
488 void evergreen_init_common_regs(struct r600_command_buffer *cb,
489 				enum chip_class ctx_chip_class,
490 				enum radeon_family ctx_family,
491 				int ctx_drm_minor);
492 
493 void evergreen_init_state_functions(struct r600_context *rctx);
494 void evergreen_init_atom_start_cs(struct r600_context *rctx);
495 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
496 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
497 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
498 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
499 void *evergreen_create_resolve_blend(struct r600_context *rctx);
500 void *evergreen_create_decompress_blend(struct r600_context *rctx);
501 void evergreen_polygon_offset_update(struct r600_context *rctx);
502 boolean evergreen_is_format_supported(struct pipe_screen *screen,
503 				      enum pipe_format format,
504 				      enum pipe_texture_target target,
505 				      unsigned sample_count,
506 				      unsigned usage);
507 void evergreen_init_color_surface(struct r600_context *rctx,
508 				  struct r600_surface *surf);
509 void evergreen_update_dual_export_state(struct r600_context * rctx);
510 
511 /* r600_blit.c */
512 void r600_copy_buffer(struct pipe_context *ctx, struct
513 		      pipe_resource *dst, unsigned dstx,
514 		      struct pipe_resource *src, const struct pipe_box *src_box);
515 void r600_init_blit_functions(struct r600_context *rctx);
516 void r600_blit_decompress_depth(struct pipe_context *ctx,
517 		struct r600_texture *texture,
518 		struct r600_texture *staging,
519 		unsigned first_level, unsigned last_level,
520 		unsigned first_layer, unsigned last_layer,
521 		unsigned first_sample, unsigned last_sample);
522 void r600_decompress_depth_textures(struct r600_context *rctx,
523 				    struct r600_samplerview_state *textures);
524 void r600_decompress_color_textures(struct r600_context *rctx,
525 				    struct r600_samplerview_state *textures);
526 
527 /* r600_buffer.c */
528 bool r600_init_resource(struct r600_screen *rscreen,
529 			struct r600_resource *res,
530 			unsigned size, unsigned alignment,
531 			unsigned bind, unsigned usage);
532 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
533 					 const struct pipe_resource *templ,
534 					 unsigned alignment);
535 
536 /* r600_pipe.c */
537 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
538 		unsigned flags);
539 
540 /* r600_query.c */
541 void r600_init_query_functions(struct r600_context *rctx);
542 void r600_suspend_nontimer_queries(struct r600_context *ctx);
543 void r600_resume_nontimer_queries(struct r600_context *ctx);
544 void r600_suspend_timer_queries(struct r600_context *ctx);
545 void r600_resume_timer_queries(struct r600_context *ctx);
546 
547 /* r600_resource.c */
548 void r600_init_context_resource_functions(struct r600_context *r600);
549 
550 /* r600_shader.c */
551 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
552 #ifdef HAVE_OPENCL
553 int r600_compute_shader_create(struct pipe_context * ctx,
554 	LLVMModuleRef mod,  struct r600_bytecode * bytecode);
555 #endif
556 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
557 
558 /* r600_state.c */
559 void r600_set_scissor_state(struct r600_context *rctx,
560 			    const struct pipe_scissor_state *state);
561 void r600_init_state_functions(struct r600_context *rctx);
562 void r600_init_atom_start_cs(struct r600_context *rctx);
563 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
564 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
565 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
566 void *r600_create_db_flush_dsa(struct r600_context *rctx);
567 void *r600_create_resolve_blend(struct r600_context *rctx);
568 void *r700_create_resolve_blend(struct r600_context *rctx);
569 void *r600_create_decompress_blend(struct r600_context *rctx);
570 void r600_polygon_offset_update(struct r600_context *rctx);
571 void r600_adjust_gprs(struct r600_context *rctx);
572 boolean r600_is_format_supported(struct pipe_screen *screen,
573 				 enum pipe_format format,
574 				 enum pipe_texture_target target,
575 				 unsigned sample_count,
576 				 unsigned usage);
577 void r600_update_dual_export_state(struct r600_context * rctx);
578 
579 /* r600_texture.c */
580 void r600_init_screen_texture_functions(struct pipe_screen *screen);
581 void r600_init_surface_functions(struct r600_context *r600);
582 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
583 				  const unsigned char *swizzle_view,
584 				  uint32_t *word4_p, uint32_t *yuv_format_p);
585 unsigned r600_texture_get_offset(struct r600_texture *rtex,
586 					unsigned level, unsigned layer);
587 
588 /* r600_translate.c */
589 void r600_translate_index_buffer(struct r600_context *r600,
590 				 struct pipe_index_buffer *ib,
591 				 unsigned count);
592 
593 /* r600_state_common.c */
594 void r600_init_atom(struct r600_atom *atom,
595 		    void (*emit)(struct r600_context *ctx, struct r600_atom *state),
596 		    unsigned num_dw, enum r600_atom_flags flags);
597 void r600_init_common_atoms(struct r600_context *rctx);
598 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
599 void r600_texture_barrier(struct pipe_context *ctx);
600 void r600_set_index_buffer(struct pipe_context *ctx,
601 			   const struct pipe_index_buffer *ib);
602 void r600_vertex_buffers_dirty(struct r600_context *rctx);
603 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
604 			     const struct pipe_vertex_buffer *input);
605 void r600_sampler_views_dirty(struct r600_context *rctx,
606 			      struct r600_samplerview_state *state);
607 void r600_set_sampler_views(struct pipe_context *pipe,
608                             unsigned shader,
609                             unsigned start,
610 			    unsigned count,
611 			    struct pipe_sampler_view **views);
612 void r600_bind_vs_samplers(struct pipe_context *ctx, unsigned count, void **states);
613 void r600_bind_ps_samplers(struct pipe_context *ctx, unsigned count, void **states);
614 void *r600_create_vertex_elements(struct pipe_context *ctx,
615 				  unsigned count,
616 				  const struct pipe_vertex_element *elements);
617 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
618 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
619 void r600_set_blend_color(struct pipe_context *ctx,
620 			  const struct pipe_blend_color *state);
621 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
622 void r600_set_max_scissor(struct r600_context *rctx);
623 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
624 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
625 void r600_sampler_view_destroy(struct pipe_context *ctx,
626 			       struct pipe_sampler_view *state);
627 void r600_delete_sampler(struct pipe_context *ctx, void *state);
628 void r600_delete_state(struct pipe_context *ctx, void *state);
629 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
630 void *r600_create_shader_state_ps(struct pipe_context *ctx,
631                    const struct pipe_shader_state *state);
632 void *r600_create_shader_state_vs(struct pipe_context *ctx,
633                    const struct pipe_shader_state *state);
634 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
635 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
636 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
637 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
638 void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
639 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
640 			      struct pipe_constant_buffer *cb);
641 struct pipe_stream_output_target *
642 r600_create_so_target(struct pipe_context *ctx,
643 		      struct pipe_resource *buffer,
644 		      unsigned buffer_offset,
645 		      unsigned buffer_size);
646 void r600_so_target_destroy(struct pipe_context *ctx,
647 			    struct pipe_stream_output_target *target);
648 void r600_set_so_targets(struct pipe_context *ctx,
649 			 unsigned num_targets,
650 			 struct pipe_stream_output_target **targets,
651 			 unsigned append_bitmask);
652 void r600_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask);
653 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
654 			       const struct pipe_stencil_ref *state);
655 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
656 void r600_draw_rectangle(struct blitter_context *blitter,
657 			 unsigned x1, unsigned y1, unsigned x2, unsigned y2, float depth,
658 			 enum blitter_attrib_type type, const union pipe_color_union *attrib);
659 uint32_t r600_translate_stencil_op(int s_op);
660 uint32_t r600_translate_fill(uint32_t func);
661 unsigned r600_tex_wrap(unsigned wrap);
662 unsigned r600_tex_filter(unsigned filter);
663 unsigned r600_tex_mipfilter(unsigned filter);
664 unsigned r600_tex_compare(unsigned compare);
665 
666 /*
667  * Helpers for building command buffers
668  */
669 
670 #define PKT3_SET_CONFIG_REG	0x68
671 #define PKT3_SET_CONTEXT_REG	0x69
672 #define PKT3_SET_CTL_CONST      0x6F
673 #define PKT3_SET_LOOP_CONST                    0x6C
674 
675 #define R600_CONFIG_REG_OFFSET	0x08000
676 #define R600_CONTEXT_REG_OFFSET 0x28000
677 #define R600_CTL_CONST_OFFSET   0x3CFF0
678 #define R600_LOOP_CONST_OFFSET                 0X0003E200
679 #define EG_LOOP_CONST_OFFSET               0x0003A200
680 
681 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
682 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
683 #define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
684 #define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
685 #define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
686 
687 #define RADEON_CP_PACKET3_COMPUTE_MODE 0x00000002
688 
689 /*Evergreen Compute packet3*/
690 #define PKT3C(op, count, predicate) (PKT_TYPE_S(3) | PKT3_IT_OPCODE_S(op) | PKT_COUNT_S(count) | PKT3_PREDICATE(predicate) | RADEON_CP_PACKET3_COMPUTE_MODE)
691 
r600_store_value(struct r600_command_buffer * cb,unsigned value)692 static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
693 {
694 	cb->buf[cb->atom.num_dw++] = value;
695 }
696 
r600_store_config_reg_seq(struct r600_command_buffer * cb,unsigned reg,unsigned num)697 static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
698 {
699 	assert(reg < R600_CONTEXT_REG_OFFSET);
700 	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
701 	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
702 	cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
703 }
704 
705 /**
706  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
707  * shaders.
708  */
r600_store_context_reg_seq(struct r600_command_buffer * cb,unsigned reg,unsigned num)709 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
710 {
711 	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
712 	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
713 	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
714 	cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
715 }
716 
717 /**
718  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
719  * shaders.
720  */
r600_store_ctl_const_seq(struct r600_command_buffer * cb,unsigned reg,unsigned num)721 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
722 {
723 	assert(reg >= R600_CTL_CONST_OFFSET);
724 	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
725 	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
726 	cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
727 }
728 
r600_store_loop_const_seq(struct r600_command_buffer * cb,unsigned reg,unsigned num)729 static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
730 {
731 	assert(reg >= R600_LOOP_CONST_OFFSET);
732 	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
733 	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
734 	cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
735 }
736 
737 /**
738  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
739  * shaders.
740  */
eg_store_loop_const_seq(struct r600_command_buffer * cb,unsigned reg,unsigned num)741 static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
742 {
743 	assert(reg >= EG_LOOP_CONST_OFFSET);
744 	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
745 	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
746 	cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
747 }
748 
r600_store_config_reg(struct r600_command_buffer * cb,unsigned reg,unsigned value)749 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
750 {
751 	r600_store_config_reg_seq(cb, reg, 1);
752 	r600_store_value(cb, value);
753 }
754 
r600_store_context_reg(struct r600_command_buffer * cb,unsigned reg,unsigned value)755 static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
756 {
757 	r600_store_context_reg_seq(cb, reg, 1);
758 	r600_store_value(cb, value);
759 }
760 
r600_store_ctl_const(struct r600_command_buffer * cb,unsigned reg,unsigned value)761 static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
762 {
763 	r600_store_ctl_const_seq(cb, reg, 1);
764 	r600_store_value(cb, value);
765 }
766 
r600_store_loop_const(struct r600_command_buffer * cb,unsigned reg,unsigned value)767 static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
768 {
769 	r600_store_loop_const_seq(cb, reg, 1);
770 	r600_store_value(cb, value);
771 }
772 
eg_store_loop_const(struct r600_command_buffer * cb,unsigned reg,unsigned value)773 static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
774 {
775 	eg_store_loop_const_seq(cb, reg, 1);
776 	r600_store_value(cb, value);
777 }
778 
779 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
780 void r600_release_command_buffer(struct r600_command_buffer *cb);
781 
782 /*
783  * Helpers for emitting state into a command stream directly.
784  */
785 
r600_context_bo_reloc(struct r600_context * ctx,struct r600_resource * rbo,enum radeon_bo_usage usage)786 static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
787 					     enum radeon_bo_usage usage)
788 {
789 	assert(usage);
790 	return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
791 }
792 
r600_write_value(struct radeon_winsys_cs * cs,unsigned value)793 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
794 {
795 	cs->buf[cs->cdw++] = value;
796 }
797 
r600_write_array(struct radeon_winsys_cs * cs,unsigned num,unsigned * ptr)798 static INLINE void r600_write_array(struct radeon_winsys_cs *cs, unsigned num, unsigned *ptr)
799 {
800 	assert(cs->cdw+num <= RADEON_MAX_CMDBUF_DWORDS);
801 	memcpy(&cs->buf[cs->cdw], ptr, num * sizeof(ptr[0]));
802 	cs->cdw += num;
803 }
804 
r600_write_config_reg_seq(struct radeon_winsys_cs * cs,unsigned reg,unsigned num)805 static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
806 {
807 	assert(reg < R600_CONTEXT_REG_OFFSET);
808 	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
809 	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
810 	cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
811 }
812 
r600_write_context_reg_seq(struct radeon_winsys_cs * cs,unsigned reg,unsigned num)813 static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
814 {
815 	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
816 	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
817 	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
818 	cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
819 }
820 
r600_write_compute_context_reg_seq(struct radeon_winsys_cs * cs,unsigned reg,unsigned num)821 static INLINE void r600_write_compute_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
822 {
823 	r600_write_context_reg_seq(cs, reg, num);
824 	/* Set the compute bit on the packet header */
825 	cs->buf[cs->cdw - 2] |= RADEON_CP_PACKET3_COMPUTE_MODE;
826 }
827 
r600_write_ctl_const_seq(struct radeon_winsys_cs * cs,unsigned reg,unsigned num)828 static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
829 {
830 	assert(reg >= R600_CTL_CONST_OFFSET);
831 	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
832 	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
833 	cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
834 }
835 
r600_write_config_reg(struct radeon_winsys_cs * cs,unsigned reg,unsigned value)836 static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
837 {
838 	r600_write_config_reg_seq(cs, reg, 1);
839 	r600_write_value(cs, value);
840 }
841 
r600_write_context_reg(struct radeon_winsys_cs * cs,unsigned reg,unsigned value)842 static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
843 {
844 	r600_write_context_reg_seq(cs, reg, 1);
845 	r600_write_value(cs, value);
846 }
847 
r600_write_compute_context_reg(struct radeon_winsys_cs * cs,unsigned reg,unsigned value)848 static INLINE void r600_write_compute_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
849 {
850 	r600_write_compute_context_reg_seq(cs, reg, 1);
851 	r600_write_value(cs, value);
852 }
853 
r600_write_ctl_const(struct radeon_winsys_cs * cs,unsigned reg,unsigned value)854 static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
855 {
856 	r600_write_ctl_const_seq(cs, reg, 1);
857 	r600_write_value(cs, value);
858 }
859 
860 /*
861  * common helpers
862  */
S_FIXED(float value,uint32_t frac_bits)863 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
864 {
865 	return value * (1 << frac_bits);
866 }
867 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
868 
r600_tex_aniso_filter(unsigned filter)869 static inline unsigned r600_tex_aniso_filter(unsigned filter)
870 {
871 	if (filter <= 1)   return 0;
872 	if (filter <= 2)   return 1;
873 	if (filter <= 4)   return 2;
874 	if (filter <= 8)   return 3;
875 	 /* else */        return 4;
876 }
877 
878 /* 12.4 fixed-point */
r600_pack_float_12p4(float x)879 static INLINE unsigned r600_pack_float_12p4(float x)
880 {
881 	return x <= 0    ? 0 :
882 	       x >= 4096 ? 0xffff : x * 16;
883 }
884 
r600_resource_va(struct pipe_screen * screen,struct pipe_resource * resource)885 static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
886 {
887 	struct r600_screen *rscreen = (struct r600_screen*)screen;
888 	struct r600_resource *rresource = (struct r600_resource*)resource;
889 
890 	return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
891 }
892 
r600_context_add_resource_size(struct pipe_context * ctx,struct pipe_resource * r)893 static INLINE void r600_context_add_resource_size(struct pipe_context *ctx, struct pipe_resource *r)
894 {
895 	struct r600_context *rctx = (struct r600_context *)ctx;
896 	struct r600_resource *rr = (struct r600_resource *)r;
897 
898 	if (r == NULL) {
899 		return;
900 	}
901 
902 	/*
903 	 * The idea is to compute a gross estimate of memory requirement of
904 	 * each draw call. After each draw call, memory will be precisely
905 	 * accounted. So the uncertainty is only on the current draw call.
906 	 * In practice this gave very good estimate (+/- 10% of the target
907 	 * memory limit).
908 	 */
909 	if (rr->domains & RADEON_DOMAIN_GTT) {
910 		rctx->gtt += rr->buf->size;
911 	}
912 	if (rr->domains & RADEON_DOMAIN_VRAM) {
913 		rctx->vram += rr->buf->size;
914 	}
915 }
916 
917 #endif
918