r600_pipe.h revision 507337864fa80caf9f26602324d2c28dd0a75d61
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_slab.h"
30#include "r600.h"
31#include "r600_shader.h"
32#include "r600_resource.h"
33
34#define R600_MAX_CONST_BUFFERS 2
35#define R600_MAX_CONST_BUFFER_SIZE 4096
36
37#ifdef PIPE_ARCH_BIG_ENDIAN
38#define R600_BIG_ENDIAN 1
39#else
40#define R600_BIG_ENDIAN 0
41#endif
42
43enum r600_atom_flags {
44	/* When set, atoms are added at the beginning of the dirty list
45	 * instead of the end. */
46	EMIT_EARLY = (1 << 0)
47};
48
49/* This encapsulates a state or an operation which can emitted into the GPU
50 * command stream. It's not limited to states only, it can be used for anything
51 * that wants to write commands into the CS (e.g. cache flushes). */
52struct r600_atom {
53	void (*emit)(struct r600_context *ctx, struct r600_atom *state);
54
55	unsigned		num_dw;
56	enum r600_atom_flags	flags;
57	bool			dirty;
58
59	struct list_head	head;
60};
61
62/* This is an atom containing GPU commands that never change.
63 * This is supposed to be copied directly into the CS. */
64struct r600_command_buffer {
65	struct r600_atom atom;
66	uint32_t *buf;
67	unsigned max_num_dw;
68};
69
70struct r600_surface_sync_cmd {
71	struct r600_atom atom;
72	unsigned flush_flags; /* CP_COHER_CNTL */
73};
74
75struct r600_db_misc_state {
76	struct r600_atom atom;
77	bool occlusion_query_enabled;
78	bool flush_depthstencil_enabled;
79};
80
81enum r600_pipe_state_id {
82	R600_PIPE_STATE_BLEND = 0,
83	R600_PIPE_STATE_BLEND_COLOR,
84	R600_PIPE_STATE_CONFIG,
85	R600_PIPE_STATE_SEAMLESS_CUBEMAP,
86	R600_PIPE_STATE_CLIP,
87	R600_PIPE_STATE_SCISSOR,
88	R600_PIPE_STATE_VIEWPORT,
89	R600_PIPE_STATE_RASTERIZER,
90	R600_PIPE_STATE_VGT,
91	R600_PIPE_STATE_FRAMEBUFFER,
92	R600_PIPE_STATE_DSA,
93	R600_PIPE_STATE_STENCIL_REF,
94	R600_PIPE_STATE_PS_SHADER,
95	R600_PIPE_STATE_VS_SHADER,
96	R600_PIPE_STATE_CONSTANT,
97	R600_PIPE_STATE_SAMPLER,
98	R600_PIPE_STATE_RESOURCE,
99	R600_PIPE_STATE_POLYGON_OFFSET,
100	R600_PIPE_STATE_FETCH_SHADER,
101	R600_PIPE_NSTATES
102};
103
104struct r600_pipe_fences {
105	struct r600_resource		*bo;
106	unsigned			*data;
107	unsigned			next_index;
108	/* linked list of preallocated blocks */
109	struct list_head		blocks;
110	/* linked list of freed fences */
111	struct list_head		pool;
112	pipe_mutex			mutex;
113};
114
115struct r600_screen {
116	struct pipe_screen		screen;
117	struct radeon_winsys		*ws;
118	unsigned			family;
119	enum chip_class			chip_class;
120	struct radeon_info		info;
121	struct r600_tiling_info		tiling_info;
122	struct util_slab_mempool	pool_buffers;
123	struct r600_pipe_fences		fences;
124
125	unsigned			num_contexts;
126	bool				use_surface_alloc;
127	int 				glsl_feature_level;
128
129	/* for thread-safe write accessing to num_contexts */
130	pipe_mutex			mutex_num_contexts;
131};
132
133struct r600_pipe_sampler_view {
134	struct pipe_sampler_view	base;
135	struct r600_pipe_resource_state		state;
136};
137
138struct r600_pipe_rasterizer {
139	struct r600_pipe_state		rstate;
140	boolean				flatshade;
141	boolean				two_side;
142	unsigned			sprite_coord_enable;
143	unsigned                        clip_plane_enable;
144	unsigned			pa_sc_line_stipple;
145	unsigned			pa_cl_clip_cntl;
146	float				offset_units;
147	float				offset_scale;
148	bool				scissor_enable;
149};
150
151struct r600_pipe_blend {
152	struct r600_pipe_state		rstate;
153	unsigned			cb_target_mask;
154	unsigned			cb_color_control;
155	bool				dual_src_blend;
156};
157
158struct r600_pipe_dsa {
159	struct r600_pipe_state		rstate;
160	unsigned			alpha_ref;
161	ubyte				valuemask[2];
162	ubyte				writemask[2];
163	bool				is_flush;
164};
165
166struct r600_vertex_element
167{
168	unsigned			count;
169	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
170	struct r600_resource		*fetch_shader;
171	unsigned			fs_size;
172	struct r600_pipe_state		rstate;
173};
174
175struct r600_pipe_shader {
176	struct r600_shader		shader;
177	struct r600_pipe_state		rstate;
178	struct r600_resource		*bo;
179	struct r600_resource		*bo_fetch;
180	struct r600_vertex_element	vertex_elements;
181	struct tgsi_token		*tokens;
182	unsigned	sprite_coord_enable;
183	unsigned	flatshade;
184	unsigned	pa_cl_vs_out_cntl;
185	unsigned        ps_cb_shader_mask;
186	struct pipe_stream_output_info	so;
187};
188
189struct r600_pipe_sampler_state {
190	struct r600_pipe_state		rstate;
191	boolean seamless_cube_map;
192};
193
194/* needed for blitter save */
195#define NUM_TEX_UNITS 16
196
197struct r600_textures_info {
198	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
199	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
200	unsigned			n_views;
201	unsigned			n_samplers;
202	bool				samplers_dirty;
203	bool				is_array_sampler[NUM_TEX_UNITS];
204};
205
206struct r600_fence {
207	struct pipe_reference		reference;
208	unsigned			index; /* in the shared bo */
209	struct r600_resource            *sleep_bo;
210	struct list_head		head;
211};
212
213#define FENCE_BLOCK_SIZE 16
214
215struct r600_fence_block {
216	struct r600_fence		fences[FENCE_BLOCK_SIZE];
217	struct list_head		head;
218};
219
220#define R600_CONSTANT_ARRAY_SIZE 256
221#define R600_RESOURCE_ARRAY_SIZE 160
222
223struct r600_stencil_ref
224{
225	ubyte ref_value[2];
226	ubyte valuemask[2];
227	ubyte writemask[2];
228};
229
230struct r600_constbuf_state
231{
232	struct r600_atom		atom;
233	struct pipe_constant_buffer	cb[PIPE_MAX_CONSTANT_BUFFERS];
234	uint32_t			enabled_mask;
235	uint32_t			dirty_mask;
236};
237
238struct r600_context {
239	struct pipe_context		context;
240	struct blitter_context		*blitter;
241	enum radeon_family		family;
242	enum chip_class			chip_class;
243	boolean				has_vertex_cache;
244	unsigned			r6xx_num_clause_temp_gprs;
245	void				*custom_dsa_flush;
246	struct r600_screen		*screen;
247	struct radeon_winsys		*ws;
248	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
249	struct r600_vertex_element	*vertex_elements;
250	struct pipe_framebuffer_state	framebuffer;
251	unsigned			cb_target_mask;
252	unsigned			fb_cb_shader_mask;
253	unsigned			cb_shader_mask;
254	unsigned			cb_color_control;
255	unsigned			pa_sc_line_stipple;
256	unsigned			pa_cl_clip_cntl;
257	/* for saving when using blitter */
258	struct pipe_stencil_ref		stencil_ref;
259	struct pipe_viewport_state	viewport;
260	struct pipe_clip_state		clip;
261	struct r600_pipe_shader 	*ps_shader;
262	struct r600_pipe_shader 	*vs_shader;
263	struct r600_pipe_rasterizer	*rasterizer;
264	struct r600_pipe_state          vgt;
265	struct r600_pipe_state          spi;
266	struct pipe_query		*current_render_cond;
267	unsigned			current_render_cond_mode;
268	struct pipe_query		*saved_render_cond;
269	unsigned			saved_render_cond_mode;
270	/* shader information */
271	boolean				two_side;
272	unsigned			sprite_coord_enable;
273	boolean				export_16bpc;
274	unsigned			alpha_ref;
275	boolean				alpha_ref_dirty;
276	unsigned			nr_cbufs;
277	struct r600_textures_info	vs_samplers;
278	struct r600_textures_info	ps_samplers;
279
280	struct u_upload_mgr	        *uploader;
281	struct util_slab_mempool	pool_transfers;
282	boolean				have_depth_texture, have_depth_fb;
283
284	unsigned default_ps_gprs, default_vs_gprs;
285
286	/* States based on r600_atom. */
287	struct list_head		dirty_states;
288	struct r600_command_buffer	start_cs_cmd; /* invariant state mostly */
289	struct r600_surface_sync_cmd	surface_sync_cmd;
290	struct r600_atom		r6xx_flush_and_inv_cmd;
291	struct r600_db_misc_state	db_misc_state;
292	struct r600_atom		vertex_buffer_state;
293	struct r600_constbuf_state	vs_constbuf_state;
294	struct r600_constbuf_state	ps_constbuf_state;
295
296	struct radeon_winsys_cs	*cs;
297
298	struct r600_range	*range;
299	unsigned		nblocks;
300	struct r600_block	**blocks;
301	struct list_head	dirty;
302	struct list_head	resource_dirty;
303	struct list_head	enable_list;
304	unsigned		pm4_dirty_cdwords;
305	unsigned		ctx_pm4_ndwords;
306
307	/* The list of active queries. Only one query of each type can be active. */
308	int			num_occlusion_queries;
309
310	/* Manage queries in two separate groups:
311	 * The timer ones and the others (streamout, occlusion).
312	 *
313	 * We do this because we should only suspend non-timer queries for u_blitter,
314	 * and later if the non-timer queries are suspended, the context flush should
315	 * only suspend and resume the timer queries. */
316	struct list_head	active_timer_queries;
317	unsigned		num_cs_dw_timer_queries_suspend;
318	struct list_head	active_nontimer_queries;
319	unsigned		num_cs_dw_nontimer_queries_suspend;
320
321	unsigned		num_cs_dw_streamout_end;
322
323	unsigned		backend_mask;
324	unsigned                max_db; /* for OQ */
325	unsigned		flags;
326	boolean                 predicate_drawing;
327	struct r600_range	ps_resources;
328	struct r600_range	vs_resources;
329	int			num_ps_resources, num_vs_resources;
330
331	unsigned		num_so_targets;
332	struct r600_so_target	*so_targets[PIPE_MAX_SO_BUFFERS];
333	boolean			streamout_start;
334	unsigned		streamout_append_bitmask;
335
336	/* There is no scissor enable bit on r6xx, so we must use a workaround.
337	 * These track the current scissor state. */
338	bool			scissor_enable;
339	struct pipe_scissor_state scissor_state;
340
341	/* With rasterizer discard, there doesn't have to be a pixel shader.
342	 * In that case, we bind this one: */
343	void			*dummy_pixel_shader;
344
345	boolean			dual_src_blend;
346	unsigned color0_format;
347
348	/* Vertex and index buffers. */
349	bool			vertex_buffers_dirty;
350	struct pipe_index_buffer index_buffer;
351	struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
352	unsigned		nr_vertex_buffers;
353};
354
355static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
356{
357	atom->emit(rctx, atom);
358	atom->dirty = false;
359	if (atom->head.next && atom->head.prev)
360		LIST_DELINIT(&atom->head);
361}
362
363static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
364{
365	if (!state->dirty) {
366		if (state->flags & EMIT_EARLY) {
367			LIST_ADD(&state->head, &rctx->dirty_states);
368		} else {
369			LIST_ADDTAIL(&state->head, &rctx->dirty_states);
370		}
371		state->dirty = true;
372	}
373}
374
375/* evergreen_state.c */
376void evergreen_init_state_functions(struct r600_context *rctx);
377void evergreen_init_atom_start_cs(struct r600_context *rctx);
378void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
379void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
380void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
381void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
382void evergreen_polygon_offset_update(struct r600_context *rctx);
383boolean evergreen_is_format_supported(struct pipe_screen *screen,
384				      enum pipe_format format,
385				      enum pipe_texture_target target,
386				      unsigned sample_count,
387				      unsigned usage);
388
389/* r600_blit.c */
390void r600_init_blit_functions(struct r600_context *rctx);
391void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
392void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
393void r600_flush_depth_textures(struct r600_context *rctx);
394
395/* r600_buffer.c */
396bool r600_init_resource(struct r600_screen *rscreen,
397			struct r600_resource *res,
398			unsigned size, unsigned alignment,
399			unsigned bind, unsigned usage);
400struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
401					 const struct pipe_resource *templ);
402struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
403					      void *ptr, unsigned bytes,
404					      unsigned bind);
405
406/* r600_pipe.c */
407void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
408		unsigned flags);
409
410/* r600_query.c */
411void r600_init_query_functions(struct r600_context *rctx);
412void r600_suspend_nontimer_queries(struct r600_context *ctx);
413void r600_resume_nontimer_queries(struct r600_context *ctx);
414void r600_suspend_timer_queries(struct r600_context *ctx);
415void r600_resume_timer_queries(struct r600_context *ctx);
416
417/* r600_resource.c */
418void r600_init_context_resource_functions(struct r600_context *r600);
419
420/* r600_shader.c */
421int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
422void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
423int r600_find_vs_semantic_index(struct r600_shader *vs,
424				struct r600_shader *ps, int id);
425
426/* r600_state.c */
427void r600_set_scissor_state(struct r600_context *rctx,
428			    const struct pipe_scissor_state *state);
429void r600_update_sampler_states(struct r600_context *rctx);
430void r600_init_state_functions(struct r600_context *rctx);
431void r600_init_atom_start_cs(struct r600_context *rctx);
432void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
433void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
434void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
435void *r600_create_db_flush_dsa(struct r600_context *rctx);
436void r600_polygon_offset_update(struct r600_context *rctx);
437void r600_adjust_gprs(struct r600_context *rctx);
438boolean r600_is_format_supported(struct pipe_screen *screen,
439				 enum pipe_format format,
440				 enum pipe_texture_target target,
441				 unsigned sample_count,
442				 unsigned usage);
443
444/* r600_texture.c */
445void r600_init_screen_texture_functions(struct pipe_screen *screen);
446void r600_init_surface_functions(struct r600_context *r600);
447uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
448				  const unsigned char *swizzle_view,
449				  uint32_t *word4_p, uint32_t *yuv_format_p);
450unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
451					unsigned level, unsigned layer);
452
453/* r600_translate.c */
454void r600_translate_index_buffer(struct r600_context *r600,
455				 struct pipe_index_buffer *ib,
456				 unsigned count);
457
458/* r600_state_common.c */
459void r600_init_atom(struct r600_atom *atom,
460		    void (*emit)(struct r600_context *ctx, struct r600_atom *state),
461		    unsigned num_dw, enum r600_atom_flags flags);
462void r600_init_common_atoms(struct r600_context *rctx);
463unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
464void r600_texture_barrier(struct pipe_context *ctx);
465void r600_set_index_buffer(struct pipe_context *ctx,
466			   const struct pipe_index_buffer *ib);
467void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
468			     const struct pipe_vertex_buffer *buffers);
469void *r600_create_vertex_elements(struct pipe_context *ctx,
470				  unsigned count,
471				  const struct pipe_vertex_element *elements);
472void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
473void r600_bind_blend_state(struct pipe_context *ctx, void *state);
474void r600_set_blend_color(struct pipe_context *ctx,
475			  const struct pipe_blend_color *state);
476void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
477void r600_set_max_scissor(struct r600_context *rctx);
478void r600_bind_rs_state(struct pipe_context *ctx, void *state);
479void r600_delete_rs_state(struct pipe_context *ctx, void *state);
480void r600_sampler_view_destroy(struct pipe_context *ctx,
481			       struct pipe_sampler_view *state);
482void r600_delete_state(struct pipe_context *ctx, void *state);
483void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
484void *r600_create_shader_state(struct pipe_context *ctx,
485			       const struct pipe_shader_state *state);
486void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
487void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
488void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
489void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
490void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
491void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
492			      struct pipe_constant_buffer *cb);
493struct pipe_stream_output_target *
494r600_create_so_target(struct pipe_context *ctx,
495		      struct pipe_resource *buffer,
496		      unsigned buffer_offset,
497		      unsigned buffer_size);
498void r600_so_target_destroy(struct pipe_context *ctx,
499			    struct pipe_stream_output_target *target);
500void r600_set_so_targets(struct pipe_context *ctx,
501			 unsigned num_targets,
502			 struct pipe_stream_output_target **targets,
503			 unsigned append_bitmask);
504void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
505			       const struct pipe_stencil_ref *state);
506void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
507uint32_t r600_translate_stencil_op(int s_op);
508uint32_t r600_translate_fill(uint32_t func);
509unsigned r600_tex_wrap(unsigned wrap);
510unsigned r600_tex_filter(unsigned filter);
511unsigned r600_tex_mipfilter(unsigned filter);
512unsigned r600_tex_compare(unsigned compare);
513
514/*
515 * Helpers for building command buffers
516 */
517
518#define PKT3_SET_CONFIG_REG	0x68
519#define PKT3_SET_CONTEXT_REG	0x69
520#define PKT3_SET_CTL_CONST      0x6F
521#define PKT3_SET_LOOP_CONST                    0x6C
522
523#define R600_CONFIG_REG_OFFSET	0x08000
524#define R600_CONTEXT_REG_OFFSET 0x28000
525#define R600_CTL_CONST_OFFSET   0x3CFF0
526#define R600_LOOP_CONST_OFFSET                 0X0003E200
527#define EG_LOOP_CONST_OFFSET               0x0003A200
528
529#define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
530#define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
531#define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
532#define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
533#define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
534
535static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
536{
537	cb->buf[cb->atom.num_dw++] = value;
538}
539
540static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
541{
542	assert(reg < R600_CONTEXT_REG_OFFSET);
543	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
544	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
545	cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
546}
547
548static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
549{
550	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
551	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
552	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
553	cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
554}
555
556static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
557{
558	assert(reg >= R600_CTL_CONST_OFFSET);
559	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
560	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
561	cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
562}
563
564static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
565{
566	assert(reg >= R600_LOOP_CONST_OFFSET);
567	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
568	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
569	cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
570}
571
572static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
573{
574	assert(reg >= EG_LOOP_CONST_OFFSET);
575	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
576	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
577	cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
578}
579
580static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
581{
582	r600_store_config_reg_seq(cb, reg, 1);
583	r600_store_value(cb, value);
584}
585
586static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
587{
588	r600_store_context_reg_seq(cb, reg, 1);
589	r600_store_value(cb, value);
590}
591
592static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
593{
594	r600_store_ctl_const_seq(cb, reg, 1);
595	r600_store_value(cb, value);
596}
597
598static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
599{
600	r600_store_loop_const_seq(cb, reg, 1);
601	r600_store_value(cb, value);
602}
603
604static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
605{
606	eg_store_loop_const_seq(cb, reg, 1);
607	r600_store_value(cb, value);
608}
609
610void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
611void r600_release_command_buffer(struct r600_command_buffer *cb);
612
613/*
614 * Helpers for emitting state into a command stream directly.
615 */
616
617static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
618					     enum radeon_bo_usage usage)
619{
620	assert(usage);
621	return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
622}
623
624static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
625{
626	cs->buf[cs->cdw++] = value;
627}
628
629static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
630{
631	assert(reg < R600_CONTEXT_REG_OFFSET);
632	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
633	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
634	cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
635}
636
637static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
638{
639	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
640	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
641	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
642	cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
643}
644
645static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
646{
647	assert(reg >= R600_CTL_CONST_OFFSET);
648	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
649	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
650	cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
651}
652
653static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
654{
655	r600_write_config_reg_seq(cs, reg, 1);
656	r600_write_value(cs, value);
657}
658
659static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
660{
661	r600_write_context_reg_seq(cs, reg, 1);
662	r600_write_value(cs, value);
663}
664
665static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
666{
667	r600_write_ctl_const_seq(cs, reg, 1);
668	r600_write_value(cs, value);
669}
670
671/*
672 * common helpers
673 */
674static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
675{
676	return value * (1 << frac_bits);
677}
678#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
679
680static inline unsigned r600_tex_aniso_filter(unsigned filter)
681{
682	if (filter <= 1)   return 0;
683	if (filter <= 2)   return 1;
684	if (filter <= 4)   return 2;
685	if (filter <= 8)   return 3;
686	 /* else */        return 4;
687}
688
689/* 12.4 fixed-point */
690static INLINE unsigned r600_pack_float_12p4(float x)
691{
692	return x <= 0    ? 0 :
693	       x >= 4096 ? 0xffff : x * 16;
694}
695
696static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
697{
698	struct r600_screen *rscreen = (struct r600_screen*)screen;
699	struct r600_resource *rresource = (struct r600_resource*)resource;
700
701	return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
702}
703
704#endif
705