r600_pipe.h revision 34e53adc51ade8d53d74b6ae35bec90f1a6b9b29
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
128	/* for thread-safe write accessing to num_contexts */
129	pipe_mutex			mutex_num_contexts;
130};
131
132struct r600_pipe_sampler_view {
133	struct pipe_sampler_view	base;
134	struct r600_pipe_resource_state		state;
135};
136
137struct r600_pipe_rasterizer {
138	struct r600_pipe_state		rstate;
139	boolean				flatshade;
140	boolean				two_side;
141	unsigned			sprite_coord_enable;
142	unsigned                        clip_plane_enable;
143	unsigned			pa_sc_line_stipple;
144	unsigned			pa_cl_clip_cntl;
145	float				offset_units;
146	float				offset_scale;
147	bool				scissor_enable;
148};
149
150struct r600_pipe_blend {
151	struct r600_pipe_state		rstate;
152	unsigned			cb_target_mask;
153	unsigned			cb_color_control;
154};
155
156struct r600_pipe_dsa {
157	struct r600_pipe_state		rstate;
158	unsigned			alpha_ref;
159	ubyte				valuemask[2];
160	ubyte				writemask[2];
161	bool				is_flush;
162};
163
164struct r600_vertex_element
165{
166	unsigned			count;
167	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
168	struct u_vbuf_elements		*vmgr_elements;
169	struct r600_resource		*fetch_shader;
170	unsigned			fs_size;
171	struct r600_pipe_state		rstate;
172};
173
174struct r600_pipe_shader {
175	struct r600_shader		shader;
176	struct r600_pipe_state		rstate;
177	struct r600_resource		*bo;
178	struct r600_resource		*bo_fetch;
179	struct r600_vertex_element	vertex_elements;
180	struct tgsi_token		*tokens;
181	unsigned	sprite_coord_enable;
182	unsigned	flatshade;
183	unsigned	pa_cl_vs_out_cntl;
184	struct pipe_stream_output_info	so;
185};
186
187struct r600_pipe_sampler_state {
188	struct r600_pipe_state		rstate;
189	boolean seamless_cube_map;
190};
191
192/* needed for blitter save */
193#define NUM_TEX_UNITS 16
194
195struct r600_textures_info {
196	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
197	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
198	unsigned			n_views;
199	unsigned			n_samplers;
200	bool				samplers_dirty;
201	bool				is_array_sampler[NUM_TEX_UNITS];
202};
203
204struct r600_fence {
205	struct pipe_reference		reference;
206	unsigned			index; /* in the shared bo */
207	struct r600_resource            *sleep_bo;
208	struct list_head		head;
209};
210
211#define FENCE_BLOCK_SIZE 16
212
213struct r600_fence_block {
214	struct r600_fence		fences[FENCE_BLOCK_SIZE];
215	struct list_head		head;
216};
217
218#define R600_CONSTANT_ARRAY_SIZE 256
219#define R600_RESOURCE_ARRAY_SIZE 160
220
221struct r600_stencil_ref
222{
223	ubyte ref_value[2];
224	ubyte valuemask[2];
225	ubyte writemask[2];
226};
227
228struct r600_constant_buffer
229{
230	struct pipe_resource		*buffer;
231	unsigned			buffer_offset;
232	unsigned			buffer_size;
233};
234
235struct r600_constbuf_state
236{
237	struct r600_atom		atom;
238	struct r600_constant_buffer	cb[PIPE_MAX_CONSTANT_BUFFERS];
239	uint32_t			enabled_mask;
240	uint32_t			dirty_mask;
241};
242
243struct r600_context {
244	struct pipe_context		context;
245	struct blitter_context		*blitter;
246	enum radeon_family		family;
247	enum chip_class			chip_class;
248	boolean				has_vertex_cache;
249	unsigned			r6xx_num_clause_temp_gprs;
250	void				*custom_dsa_flush;
251	struct r600_screen		*screen;
252	struct radeon_winsys		*ws;
253	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
254	struct r600_vertex_element	*vertex_elements;
255	struct pipe_framebuffer_state	framebuffer;
256	unsigned			cb_target_mask;
257	unsigned			cb_color_control;
258	unsigned			pa_sc_line_stipple;
259	unsigned			pa_cl_clip_cntl;
260	/* for saving when using blitter */
261	struct pipe_stencil_ref		stencil_ref;
262	struct pipe_viewport_state	viewport;
263	struct pipe_clip_state		clip;
264	struct r600_pipe_shader 	*ps_shader;
265	struct r600_pipe_shader 	*vs_shader;
266	struct r600_pipe_rasterizer	*rasterizer;
267	struct r600_pipe_state          vgt;
268	struct r600_pipe_state          spi;
269	struct pipe_query		*current_render_cond;
270	unsigned			current_render_cond_mode;
271	struct pipe_query		*saved_render_cond;
272	unsigned			saved_render_cond_mode;
273	/* shader information */
274	boolean				two_side;
275	unsigned			sprite_coord_enable;
276	boolean				export_16bpc;
277	unsigned			alpha_ref;
278	boolean				alpha_ref_dirty;
279	unsigned			nr_cbufs;
280	struct r600_textures_info	vs_samplers;
281	struct r600_textures_info	ps_samplers;
282
283	struct u_vbuf			*vbuf_mgr;
284	struct util_slab_mempool	pool_transfers;
285	boolean				have_depth_texture, have_depth_fb;
286
287	unsigned default_ps_gprs, default_vs_gprs;
288
289	/* States based on r600_atom. */
290	struct list_head		dirty_states;
291	struct r600_command_buffer	start_cs_cmd; /* invariant state mostly */
292	struct r600_surface_sync_cmd	surface_sync_cmd;
293	struct r600_atom		r6xx_flush_and_inv_cmd;
294	struct r600_db_misc_state	db_misc_state;
295	struct r600_atom		vertex_buffer_state;
296	struct r600_constbuf_state	vs_constbuf_state;
297	struct r600_constbuf_state	ps_constbuf_state;
298
299	struct radeon_winsys_cs	*cs;
300
301	struct r600_range	*range;
302	unsigned		nblocks;
303	struct r600_block	**blocks;
304	struct list_head	dirty;
305	struct list_head	resource_dirty;
306	struct list_head	enable_list;
307	unsigned		pm4_dirty_cdwords;
308	unsigned		ctx_pm4_ndwords;
309
310	/* The list of active queries. Only one query of each type can be active. */
311	int			num_occlusion_queries;
312
313	/* Manage queries in two separate groups:
314	 * The timer ones and the others (streamout, occlusion).
315	 *
316	 * We do this because we should only suspend non-timer queries for u_blitter,
317	 * and later if the non-timer queries are suspended, the context flush should
318	 * only suspend and resume the timer queries. */
319	struct list_head	active_timer_queries;
320	unsigned		num_cs_dw_timer_queries_suspend;
321	struct list_head	active_nontimer_queries;
322	unsigned		num_cs_dw_nontimer_queries_suspend;
323
324	unsigned		num_cs_dw_streamout_end;
325
326	unsigned		backend_mask;
327	unsigned                max_db; /* for OQ */
328	unsigned		flags;
329	boolean                 predicate_drawing;
330	struct r600_range	ps_resources;
331	struct r600_range	vs_resources;
332	int			num_ps_resources, num_vs_resources;
333
334	unsigned		num_so_targets;
335	struct r600_so_target	*so_targets[PIPE_MAX_SO_BUFFERS];
336	boolean			streamout_start;
337	unsigned		streamout_append_bitmask;
338
339	/* There is no scissor enable bit on r6xx, so we must use a workaround.
340	 * These track the current scissor state. */
341	bool			scissor_enable;
342	struct pipe_scissor_state scissor_state;
343
344	/* With rasterizer discard, there doesn't have to be a pixel shader.
345	 * In that case, we bind this one: */
346	void			*dummy_pixel_shader;
347
348	bool			vertex_buffers_dirty;
349};
350
351static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
352{
353	atom->emit(rctx, atom);
354	atom->dirty = false;
355	if (atom->head.next && atom->head.prev)
356		LIST_DELINIT(&atom->head);
357}
358
359static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
360{
361	if (!state->dirty) {
362		if (state->flags & EMIT_EARLY) {
363			LIST_ADD(&state->head, &rctx->dirty_states);
364		} else {
365			LIST_ADDTAIL(&state->head, &rctx->dirty_states);
366		}
367		state->dirty = true;
368	}
369}
370
371/* evergreen_state.c */
372void evergreen_init_state_functions(struct r600_context *rctx);
373void evergreen_init_atom_start_cs(struct r600_context *rctx);
374void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
375void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
376void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
377void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
378void evergreen_polygon_offset_update(struct r600_context *rctx);
379boolean evergreen_is_format_supported(struct pipe_screen *screen,
380				      enum pipe_format format,
381				      enum pipe_texture_target target,
382				      unsigned sample_count,
383				      unsigned usage);
384
385/* r600_blit.c */
386void r600_init_blit_functions(struct r600_context *rctx);
387void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
388void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
389void r600_flush_depth_textures(struct r600_context *rctx);
390
391/* r600_buffer.c */
392bool r600_init_resource(struct r600_screen *rscreen,
393			struct r600_resource *res,
394			unsigned size, unsigned alignment,
395			unsigned bind, unsigned usage);
396struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
397					 const struct pipe_resource *templ);
398struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
399					      void *ptr, unsigned bytes,
400					      unsigned bind);
401
402/* r600_pipe.c */
403void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
404		unsigned flags);
405
406/* r600_query.c */
407void r600_init_query_functions(struct r600_context *rctx);
408void r600_suspend_nontimer_queries(struct r600_context *ctx);
409void r600_resume_nontimer_queries(struct r600_context *ctx);
410void r600_suspend_timer_queries(struct r600_context *ctx);
411void r600_resume_timer_queries(struct r600_context *ctx);
412
413/* r600_resource.c */
414void r600_init_context_resource_functions(struct r600_context *r600);
415
416/* r600_shader.c */
417int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
418void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
419int r600_find_vs_semantic_index(struct r600_shader *vs,
420				struct r600_shader *ps, int id);
421
422/* r600_state.c */
423void r600_set_scissor_state(struct r600_context *rctx,
424			    const struct pipe_scissor_state *state);
425void r600_update_sampler_states(struct r600_context *rctx);
426void r600_init_state_functions(struct r600_context *rctx);
427void r600_init_atom_start_cs(struct r600_context *rctx);
428void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
429void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
430void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
431void *r600_create_db_flush_dsa(struct r600_context *rctx);
432void r600_polygon_offset_update(struct r600_context *rctx);
433void r600_adjust_gprs(struct r600_context *rctx);
434boolean r600_is_format_supported(struct pipe_screen *screen,
435				 enum pipe_format format,
436				 enum pipe_texture_target target,
437				 unsigned sample_count,
438				 unsigned usage);
439
440/* r600_texture.c */
441void r600_init_screen_texture_functions(struct pipe_screen *screen);
442void r600_init_surface_functions(struct r600_context *r600);
443uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
444				  const unsigned char *swizzle_view,
445				  uint32_t *word4_p, uint32_t *yuv_format_p);
446unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
447					unsigned level, unsigned layer);
448
449/* r600_translate.c */
450void r600_translate_index_buffer(struct r600_context *r600,
451				 struct pipe_index_buffer *ib,
452				 unsigned count);
453
454/* r600_state_common.c */
455void r600_init_atom(struct r600_atom *atom,
456		    void (*emit)(struct r600_context *ctx, struct r600_atom *state),
457		    unsigned num_dw, enum r600_atom_flags flags);
458void r600_init_common_atoms(struct r600_context *rctx);
459unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
460void r600_texture_barrier(struct pipe_context *ctx);
461void r600_set_index_buffer(struct pipe_context *ctx,
462			   const struct pipe_index_buffer *ib);
463void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
464			     const struct pipe_vertex_buffer *buffers);
465void *r600_create_vertex_elements(struct pipe_context *ctx,
466				  unsigned count,
467				  const struct pipe_vertex_element *elements);
468void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
469void r600_bind_blend_state(struct pipe_context *ctx, void *state);
470void r600_set_blend_color(struct pipe_context *ctx,
471			  const struct pipe_blend_color *state);
472void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
473void r600_set_max_scissor(struct r600_context *rctx);
474void r600_bind_rs_state(struct pipe_context *ctx, void *state);
475void r600_delete_rs_state(struct pipe_context *ctx, void *state);
476void r600_sampler_view_destroy(struct pipe_context *ctx,
477			       struct pipe_sampler_view *state);
478void r600_delete_state(struct pipe_context *ctx, void *state);
479void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
480void *r600_create_shader_state(struct pipe_context *ctx,
481			       const struct pipe_shader_state *state);
482void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
483void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
484void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
485void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
486void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
487void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
488			      struct pipe_resource *buffer);
489struct pipe_stream_output_target *
490r600_create_so_target(struct pipe_context *ctx,
491		      struct pipe_resource *buffer,
492		      unsigned buffer_offset,
493		      unsigned buffer_size);
494void r600_so_target_destroy(struct pipe_context *ctx,
495			    struct pipe_stream_output_target *target);
496void r600_set_so_targets(struct pipe_context *ctx,
497			 unsigned num_targets,
498			 struct pipe_stream_output_target **targets,
499			 unsigned append_bitmask);
500void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
501			       const struct pipe_stencil_ref *state);
502void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
503uint32_t r600_translate_stencil_op(int s_op);
504uint32_t r600_translate_fill(uint32_t func);
505unsigned r600_tex_wrap(unsigned wrap);
506unsigned r600_tex_filter(unsigned filter);
507unsigned r600_tex_mipfilter(unsigned filter);
508unsigned r600_tex_compare(unsigned compare);
509
510/*
511 * Helpers for building command buffers
512 */
513
514#define PKT3_SET_CONFIG_REG	0x68
515#define PKT3_SET_CONTEXT_REG	0x69
516#define PKT3_SET_CTL_CONST      0x6F
517#define PKT3_SET_LOOP_CONST                    0x6C
518
519#define R600_CONFIG_REG_OFFSET	0x08000
520#define R600_CONTEXT_REG_OFFSET 0x28000
521#define R600_CTL_CONST_OFFSET   0x3CFF0
522#define R600_LOOP_CONST_OFFSET                 0X0003E200
523#define EG_LOOP_CONST_OFFSET               0x0003A200
524
525#define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
526#define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
527#define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
528#define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
529#define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
530
531static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
532{
533	cb->buf[cb->atom.num_dw++] = value;
534}
535
536static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
537{
538	assert(reg < R600_CONTEXT_REG_OFFSET);
539	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
540	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
541	cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
542}
543
544static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
545{
546	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
547	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
548	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
549	cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
550}
551
552static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
553{
554	assert(reg >= R600_CTL_CONST_OFFSET);
555	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
556	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
557	cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
558}
559
560static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
561{
562	assert(reg >= R600_LOOP_CONST_OFFSET);
563	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
564	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
565	cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
566}
567
568static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
569{
570	assert(reg >= EG_LOOP_CONST_OFFSET);
571	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
572	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
573	cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
574}
575
576static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
577{
578	r600_store_config_reg_seq(cb, reg, 1);
579	r600_store_value(cb, value);
580}
581
582static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
583{
584	r600_store_context_reg_seq(cb, reg, 1);
585	r600_store_value(cb, value);
586}
587
588static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
589{
590	r600_store_ctl_const_seq(cb, reg, 1);
591	r600_store_value(cb, value);
592}
593
594static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
595{
596	r600_store_loop_const_seq(cb, reg, 1);
597	r600_store_value(cb, value);
598}
599
600static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
601{
602	eg_store_loop_const_seq(cb, reg, 1);
603	r600_store_value(cb, value);
604}
605
606void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
607void r600_release_command_buffer(struct r600_command_buffer *cb);
608
609/*
610 * Helpers for emitting state into a command stream directly.
611 */
612
613static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
614					     enum radeon_bo_usage usage)
615{
616	assert(usage);
617	return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
618}
619
620static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
621{
622	cs->buf[cs->cdw++] = value;
623}
624
625static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
626{
627	assert(reg < R600_CONTEXT_REG_OFFSET);
628	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
629	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
630	cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
631}
632
633static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
634{
635	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
636	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
637	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
638	cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
639}
640
641static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
642{
643	assert(reg >= R600_CTL_CONST_OFFSET);
644	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
645	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
646	cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
647}
648
649static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
650{
651	r600_write_config_reg_seq(cs, reg, 1);
652	r600_write_value(cs, value);
653}
654
655static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
656{
657	r600_write_context_reg_seq(cs, reg, 1);
658	r600_write_value(cs, value);
659}
660
661static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
662{
663	r600_write_ctl_const_seq(cs, reg, 1);
664	r600_write_value(cs, value);
665}
666
667/*
668 * common helpers
669 */
670static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
671{
672	return value * (1 << frac_bits);
673}
674#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
675
676static inline unsigned r600_tex_aniso_filter(unsigned filter)
677{
678	if (filter <= 1)   return 0;
679	if (filter <= 2)   return 1;
680	if (filter <= 4)   return 2;
681	if (filter <= 8)   return 3;
682	 /* else */        return 4;
683}
684
685/* 12.4 fixed-point */
686static INLINE unsigned r600_pack_float_12p4(float x)
687{
688	return x <= 0    ? 0 :
689	       x >= 4096 ? 0xffff : x * 16;
690}
691
692static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
693{
694	struct r600_screen *rscreen = (struct r600_screen*)screen;
695	struct r600_resource *rresource = (struct r600_resource*)resource;
696
697	return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
698}
699
700#endif
701