r600_pipe.h revision 05ea705c7c6212d16fcc9bcf04619ffd4311bb03
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 r600_pipe_fences		fences;
123
124	bool				use_surface_alloc;
125	int 				glsl_feature_level;
126};
127
128struct r600_pipe_sampler_view {
129	struct pipe_sampler_view	base;
130	struct r600_pipe_resource_state		state;
131};
132
133struct r600_pipe_rasterizer {
134	struct r600_pipe_state		rstate;
135	boolean				flatshade;
136	boolean				two_side;
137	unsigned			sprite_coord_enable;
138	unsigned                        clip_plane_enable;
139	unsigned			pa_sc_line_stipple;
140	unsigned			pa_cl_clip_cntl;
141	float				offset_units;
142	float				offset_scale;
143	bool				scissor_enable;
144};
145
146struct r600_pipe_blend {
147	struct r600_pipe_state		rstate;
148	unsigned			cb_target_mask;
149	unsigned			cb_color_control;
150	bool				dual_src_blend;
151};
152
153struct r600_pipe_dsa {
154	struct r600_pipe_state		rstate;
155	unsigned			alpha_ref;
156	ubyte				valuemask[2];
157	ubyte				writemask[2];
158	bool				is_flush;
159	unsigned                        sx_alpha_test_control;
160};
161
162struct r600_vertex_element
163{
164	unsigned			count;
165	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
166	struct r600_resource		*fetch_shader;
167	unsigned			fs_size;
168	struct r600_pipe_state		rstate;
169};
170
171struct r600_pipe_shader {
172	struct r600_shader		shader;
173	struct r600_pipe_state		rstate;
174	struct r600_resource		*bo;
175	struct r600_resource		*bo_fetch;
176	struct r600_vertex_element	vertex_elements;
177	struct tgsi_token		*tokens;
178	unsigned	sprite_coord_enable;
179	unsigned	flatshade;
180	unsigned	pa_cl_vs_out_cntl;
181	unsigned        ps_cb_shader_mask;
182	struct pipe_stream_output_info	so;
183};
184
185struct r600_pipe_sampler_state {
186	struct r600_pipe_state		rstate;
187	boolean seamless_cube_map;
188};
189
190/* needed for blitter save */
191#define NUM_TEX_UNITS 16
192
193struct r600_textures_info {
194	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
195	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
196	unsigned			n_views;
197	unsigned			n_samplers;
198	bool				samplers_dirty;
199	bool				is_array_sampler[NUM_TEX_UNITS];
200};
201
202struct r600_fence {
203	struct pipe_reference		reference;
204	unsigned			index; /* in the shared bo */
205	struct r600_resource            *sleep_bo;
206	struct list_head		head;
207};
208
209#define FENCE_BLOCK_SIZE 16
210
211struct r600_fence_block {
212	struct r600_fence		fences[FENCE_BLOCK_SIZE];
213	struct list_head		head;
214};
215
216#define R600_CONSTANT_ARRAY_SIZE 256
217#define R600_RESOURCE_ARRAY_SIZE 160
218
219struct r600_stencil_ref
220{
221	ubyte ref_value[2];
222	ubyte valuemask[2];
223	ubyte writemask[2];
224};
225
226struct r600_constbuf_state
227{
228	struct r600_atom		atom;
229	struct pipe_constant_buffer	cb[PIPE_MAX_CONSTANT_BUFFERS];
230	uint32_t			enabled_mask;
231	uint32_t			dirty_mask;
232};
233
234struct r600_context {
235	struct pipe_context		context;
236	struct blitter_context		*blitter;
237	enum radeon_family		family;
238	enum chip_class			chip_class;
239	boolean				has_vertex_cache;
240	unsigned			r6xx_num_clause_temp_gprs;
241	void				*custom_dsa_flush;
242	struct r600_screen		*screen;
243	struct radeon_winsys		*ws;
244	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
245	struct r600_vertex_element	*vertex_elements;
246	struct pipe_framebuffer_state	framebuffer;
247	unsigned			cb_target_mask;
248	unsigned			fb_cb_shader_mask;
249	unsigned			sx_alpha_test_control;
250	unsigned			cb_shader_mask;
251	unsigned			cb_color_control;
252	unsigned			pa_sc_line_stipple;
253	unsigned			pa_cl_clip_cntl;
254	/* for saving when using blitter */
255	struct pipe_stencil_ref		stencil_ref;
256	struct pipe_viewport_state	viewport;
257	struct pipe_clip_state		clip;
258	struct r600_pipe_shader 	*ps_shader;
259	struct r600_pipe_shader 	*vs_shader;
260	struct r600_pipe_rasterizer	*rasterizer;
261	struct r600_pipe_state          vgt;
262	struct r600_pipe_state          spi;
263	struct pipe_query		*current_render_cond;
264	unsigned			current_render_cond_mode;
265	struct pipe_query		*saved_render_cond;
266	unsigned			saved_render_cond_mode;
267	/* shader information */
268	boolean				two_side;
269	unsigned			sprite_coord_enable;
270	boolean				export_16bpc;
271	unsigned			alpha_ref;
272	boolean				alpha_ref_dirty;
273	unsigned			nr_cbufs;
274	struct r600_textures_info	vs_samplers;
275	struct r600_textures_info	ps_samplers;
276
277	struct u_upload_mgr	        *uploader;
278	struct util_slab_mempool	pool_transfers;
279	boolean				have_depth_texture, have_depth_fb;
280
281	unsigned default_ps_gprs, default_vs_gprs;
282
283	/* States based on r600_atom. */
284	struct list_head		dirty_states;
285	struct r600_command_buffer	start_cs_cmd; /* invariant state mostly */
286	struct r600_surface_sync_cmd	surface_sync_cmd;
287	struct r600_atom		r6xx_flush_and_inv_cmd;
288	struct r600_db_misc_state	db_misc_state;
289	struct r600_atom		vertex_buffer_state;
290	struct r600_constbuf_state	vs_constbuf_state;
291	struct r600_constbuf_state	ps_constbuf_state;
292
293	struct radeon_winsys_cs	*cs;
294
295	struct r600_range	*range;
296	unsigned		nblocks;
297	struct r600_block	**blocks;
298	struct list_head	dirty;
299	struct list_head	resource_dirty;
300	struct list_head	enable_list;
301	unsigned		pm4_dirty_cdwords;
302	unsigned		ctx_pm4_ndwords;
303
304	/* The list of active queries. Only one query of each type can be active. */
305	int			num_occlusion_queries;
306
307	/* Manage queries in two separate groups:
308	 * The timer ones and the others (streamout, occlusion).
309	 *
310	 * We do this because we should only suspend non-timer queries for u_blitter,
311	 * and later if the non-timer queries are suspended, the context flush should
312	 * only suspend and resume the timer queries. */
313	struct list_head	active_timer_queries;
314	unsigned		num_cs_dw_timer_queries_suspend;
315	struct list_head	active_nontimer_queries;
316	unsigned		num_cs_dw_nontimer_queries_suspend;
317
318	unsigned		num_cs_dw_streamout_end;
319
320	unsigned		backend_mask;
321	unsigned                max_db; /* for OQ */
322	unsigned		flags;
323	boolean                 predicate_drawing;
324	struct r600_range	ps_resources;
325	struct r600_range	vs_resources;
326	int			num_ps_resources, num_vs_resources;
327
328	unsigned		num_so_targets;
329	struct r600_so_target	*so_targets[PIPE_MAX_SO_BUFFERS];
330	boolean			streamout_start;
331	unsigned		streamout_append_bitmask;
332
333	/* There is no scissor enable bit on r6xx, so we must use a workaround.
334	 * These track the current scissor state. */
335	bool			scissor_enable;
336	struct pipe_scissor_state scissor_state;
337
338	/* With rasterizer discard, there doesn't have to be a pixel shader.
339	 * In that case, we bind this one: */
340	void			*dummy_pixel_shader;
341
342	boolean			dual_src_blend;
343
344	/* Vertex and index buffers. */
345	bool			vertex_buffers_dirty;
346	struct pipe_index_buffer index_buffer;
347	struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
348	unsigned		nr_vertex_buffers;
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);
398
399/* r600_pipe.c */
400void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
401		unsigned flags);
402
403/* r600_query.c */
404void r600_init_query_functions(struct r600_context *rctx);
405void r600_suspend_nontimer_queries(struct r600_context *ctx);
406void r600_resume_nontimer_queries(struct r600_context *ctx);
407void r600_suspend_timer_queries(struct r600_context *ctx);
408void r600_resume_timer_queries(struct r600_context *ctx);
409
410/* r600_resource.c */
411void r600_init_context_resource_functions(struct r600_context *r600);
412
413/* r600_shader.c */
414int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
415void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
416int r600_find_vs_semantic_index(struct r600_shader *vs,
417				struct r600_shader *ps, int id);
418
419/* r600_state.c */
420void r600_set_scissor_state(struct r600_context *rctx,
421			    const struct pipe_scissor_state *state);
422void r600_update_sampler_states(struct r600_context *rctx);
423void r600_init_state_functions(struct r600_context *rctx);
424void r600_init_atom_start_cs(struct r600_context *rctx);
425void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
426void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
427void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
428void *r600_create_db_flush_dsa(struct r600_context *rctx);
429void r600_polygon_offset_update(struct r600_context *rctx);
430void r600_adjust_gprs(struct r600_context *rctx);
431boolean r600_is_format_supported(struct pipe_screen *screen,
432				 enum pipe_format format,
433				 enum pipe_texture_target target,
434				 unsigned sample_count,
435				 unsigned usage);
436
437/* r600_texture.c */
438void r600_init_screen_texture_functions(struct pipe_screen *screen);
439void r600_init_surface_functions(struct r600_context *r600);
440uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
441				  const unsigned char *swizzle_view,
442				  uint32_t *word4_p, uint32_t *yuv_format_p);
443unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
444					unsigned level, unsigned layer);
445
446/* r600_translate.c */
447void r600_translate_index_buffer(struct r600_context *r600,
448				 struct pipe_index_buffer *ib,
449				 unsigned count);
450
451/* r600_state_common.c */
452void r600_init_atom(struct r600_atom *atom,
453		    void (*emit)(struct r600_context *ctx, struct r600_atom *state),
454		    unsigned num_dw, enum r600_atom_flags flags);
455void r600_init_common_atoms(struct r600_context *rctx);
456unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
457void r600_texture_barrier(struct pipe_context *ctx);
458void r600_set_index_buffer(struct pipe_context *ctx,
459			   const struct pipe_index_buffer *ib);
460void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
461			     const struct pipe_vertex_buffer *buffers);
462void *r600_create_vertex_elements(struct pipe_context *ctx,
463				  unsigned count,
464				  const struct pipe_vertex_element *elements);
465void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
466void r600_bind_blend_state(struct pipe_context *ctx, void *state);
467void r600_set_blend_color(struct pipe_context *ctx,
468			  const struct pipe_blend_color *state);
469void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
470void r600_set_max_scissor(struct r600_context *rctx);
471void r600_bind_rs_state(struct pipe_context *ctx, void *state);
472void r600_delete_rs_state(struct pipe_context *ctx, void *state);
473void r600_sampler_view_destroy(struct pipe_context *ctx,
474			       struct pipe_sampler_view *state);
475void r600_delete_state(struct pipe_context *ctx, void *state);
476void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
477void *r600_create_shader_state(struct pipe_context *ctx,
478			       const struct pipe_shader_state *state);
479void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
480void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
481void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
482void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
483void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
484void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
485			      struct pipe_constant_buffer *cb);
486struct pipe_stream_output_target *
487r600_create_so_target(struct pipe_context *ctx,
488		      struct pipe_resource *buffer,
489		      unsigned buffer_offset,
490		      unsigned buffer_size);
491void r600_so_target_destroy(struct pipe_context *ctx,
492			    struct pipe_stream_output_target *target);
493void r600_set_so_targets(struct pipe_context *ctx,
494			 unsigned num_targets,
495			 struct pipe_stream_output_target **targets,
496			 unsigned append_bitmask);
497void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
498			       const struct pipe_stencil_ref *state);
499void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
500uint32_t r600_translate_stencil_op(int s_op);
501uint32_t r600_translate_fill(uint32_t func);
502unsigned r600_tex_wrap(unsigned wrap);
503unsigned r600_tex_filter(unsigned filter);
504unsigned r600_tex_mipfilter(unsigned filter);
505unsigned r600_tex_compare(unsigned compare);
506
507/*
508 * Helpers for building command buffers
509 */
510
511#define PKT3_SET_CONFIG_REG	0x68
512#define PKT3_SET_CONTEXT_REG	0x69
513#define PKT3_SET_CTL_CONST      0x6F
514#define PKT3_SET_LOOP_CONST                    0x6C
515
516#define R600_CONFIG_REG_OFFSET	0x08000
517#define R600_CONTEXT_REG_OFFSET 0x28000
518#define R600_CTL_CONST_OFFSET   0x3CFF0
519#define R600_LOOP_CONST_OFFSET                 0X0003E200
520#define EG_LOOP_CONST_OFFSET               0x0003A200
521
522#define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
523#define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
524#define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
525#define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
526#define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
527
528static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
529{
530	cb->buf[cb->atom.num_dw++] = value;
531}
532
533static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
534{
535	assert(reg < R600_CONTEXT_REG_OFFSET);
536	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
537	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
538	cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
539}
540
541static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
542{
543	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
544	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
545	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
546	cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
547}
548
549static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
550{
551	assert(reg >= R600_CTL_CONST_OFFSET);
552	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
553	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
554	cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
555}
556
557static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
558{
559	assert(reg >= R600_LOOP_CONST_OFFSET);
560	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
561	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
562	cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
563}
564
565static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
566{
567	assert(reg >= EG_LOOP_CONST_OFFSET);
568	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
569	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
570	cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
571}
572
573static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
574{
575	r600_store_config_reg_seq(cb, reg, 1);
576	r600_store_value(cb, value);
577}
578
579static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
580{
581	r600_store_context_reg_seq(cb, reg, 1);
582	r600_store_value(cb, value);
583}
584
585static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
586{
587	r600_store_ctl_const_seq(cb, reg, 1);
588	r600_store_value(cb, value);
589}
590
591static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
592{
593	r600_store_loop_const_seq(cb, reg, 1);
594	r600_store_value(cb, value);
595}
596
597static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
598{
599	eg_store_loop_const_seq(cb, reg, 1);
600	r600_store_value(cb, value);
601}
602
603void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
604void r600_release_command_buffer(struct r600_command_buffer *cb);
605
606/*
607 * Helpers for emitting state into a command stream directly.
608 */
609
610static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
611					     enum radeon_bo_usage usage)
612{
613	assert(usage);
614	return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
615}
616
617static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
618{
619	cs->buf[cs->cdw++] = value;
620}
621
622static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
623{
624	assert(reg < R600_CONTEXT_REG_OFFSET);
625	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
626	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
627	cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
628}
629
630static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
631{
632	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
633	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
634	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
635	cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
636}
637
638static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
639{
640	assert(reg >= R600_CTL_CONST_OFFSET);
641	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
642	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
643	cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
644}
645
646static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
647{
648	r600_write_config_reg_seq(cs, reg, 1);
649	r600_write_value(cs, value);
650}
651
652static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
653{
654	r600_write_context_reg_seq(cs, reg, 1);
655	r600_write_value(cs, value);
656}
657
658static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
659{
660	r600_write_ctl_const_seq(cs, reg, 1);
661	r600_write_value(cs, value);
662}
663
664/*
665 * common helpers
666 */
667static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
668{
669	return value * (1 << frac_bits);
670}
671#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
672
673static inline unsigned r600_tex_aniso_filter(unsigned filter)
674{
675	if (filter <= 1)   return 0;
676	if (filter <= 2)   return 1;
677	if (filter <= 4)   return 2;
678	if (filter <= 8)   return 3;
679	 /* else */        return 4;
680}
681
682/* 12.4 fixed-point */
683static INLINE unsigned r600_pack_float_12p4(float x)
684{
685	return x <= 0    ? 0 :
686	       x >= 4096 ? 0xffff : x * 16;
687}
688
689static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
690{
691	struct r600_screen *rscreen = (struct r600_screen*)screen;
692	struct r600_resource *rresource = (struct r600_resource*)resource;
693
694	return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
695}
696
697#endif
698