r600_pipe.h revision 470d00c0e270c6079232d0d5ab10bf3219768faf
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_llvm.h"
32#include "r600_public.h"
33#include "r600_shader.h"
34#include "r600_resource.h"
35#include "evergreen_compute.h"
36
37#define R600_MAX_CONST_BUFFERS 2
38#define R600_MAX_CONST_BUFFER_SIZE 4096
39
40#ifdef PIPE_ARCH_BIG_ENDIAN
41#define R600_BIG_ENDIAN 1
42#else
43#define R600_BIG_ENDIAN 0
44#endif
45
46enum r600_atom_flags {
47	/* When set, atoms are added at the beginning of the dirty list
48	 * instead of the end. */
49	EMIT_EARLY = (1 << 0)
50};
51
52/* This encapsulates a state or an operation which can emitted into the GPU
53 * command stream. It's not limited to states only, it can be used for anything
54 * that wants to write commands into the CS (e.g. cache flushes). */
55struct r600_atom {
56	void (*emit)(struct r600_context *ctx, struct r600_atom *state);
57
58	unsigned		num_dw;
59	enum r600_atom_flags	flags;
60	bool			dirty;
61
62	struct list_head	head;
63};
64
65/* This is an atom containing GPU commands that never change.
66 * This is supposed to be copied directly into the CS. */
67struct r600_command_buffer {
68	struct r600_atom atom;
69	uint32_t *buf;
70	unsigned max_num_dw;
71};
72
73struct r600_surface_sync_cmd {
74	struct r600_atom atom;
75	unsigned flush_flags; /* CP_COHER_CNTL */
76};
77
78struct r600_db_misc_state {
79	struct r600_atom atom;
80	bool occlusion_query_enabled;
81	bool flush_depthstencil_enabled;
82};
83
84enum r600_pipe_state_id {
85	R600_PIPE_STATE_BLEND = 0,
86	R600_PIPE_STATE_BLEND_COLOR,
87	R600_PIPE_STATE_CONFIG,
88	R600_PIPE_STATE_SEAMLESS_CUBEMAP,
89	R600_PIPE_STATE_CLIP,
90	R600_PIPE_STATE_SCISSOR,
91	R600_PIPE_STATE_VIEWPORT,
92	R600_PIPE_STATE_RASTERIZER,
93	R600_PIPE_STATE_VGT,
94	R600_PIPE_STATE_FRAMEBUFFER,
95	R600_PIPE_STATE_DSA,
96	R600_PIPE_STATE_STENCIL_REF,
97	R600_PIPE_STATE_PS_SHADER,
98	R600_PIPE_STATE_VS_SHADER,
99	R600_PIPE_STATE_CONSTANT,
100	R600_PIPE_STATE_SAMPLER,
101	R600_PIPE_STATE_RESOURCE,
102	R600_PIPE_STATE_POLYGON_OFFSET,
103	R600_PIPE_STATE_FETCH_SHADER,
104	R600_PIPE_STATE_SPI,
105	R600_PIPE_NSTATES
106};
107
108struct compute_memory_pool;
109void compute_memory_pool_delete(struct compute_memory_pool* pool);
110struct compute_memory_pool* compute_memory_pool_new(
111	int64_t initial_size_in_dw,
112	struct r600_screen *rscreen);
113
114struct r600_pipe_fences {
115	struct r600_resource		*bo;
116	unsigned			*data;
117	unsigned			next_index;
118	/* linked list of preallocated blocks */
119	struct list_head		blocks;
120	/* linked list of freed fences */
121	struct list_head		pool;
122	pipe_mutex			mutex;
123};
124
125struct r600_screen {
126	struct pipe_screen		screen;
127	struct radeon_winsys		*ws;
128	unsigned			family;
129	enum chip_class			chip_class;
130	struct radeon_info		info;
131	bool				has_streamout;
132	struct r600_tiling_info		tiling_info;
133	struct r600_pipe_fences		fences;
134
135	bool				use_surface_alloc;
136	int 				glsl_feature_level;
137
138	/*for compute global memory binding, we allocate stuff here, instead of
139	 * buffers.
140	 * XXX: Not sure if this is the best place for global_pool.  Also,
141	 * it's not thread safe, so it won't work with multiple contexts. */
142	struct compute_memory_pool *global_pool;
143};
144
145struct r600_pipe_sampler_view {
146	struct pipe_sampler_view	base;
147	struct r600_pipe_resource_state		state;
148};
149
150struct r600_pipe_rasterizer {
151	struct r600_pipe_state		rstate;
152	boolean				flatshade;
153	boolean				two_side;
154	unsigned			sprite_coord_enable;
155	unsigned                        clip_plane_enable;
156	unsigned			pa_sc_line_stipple;
157	unsigned			pa_cl_clip_cntl;
158	float				offset_units;
159	float				offset_scale;
160	bool				scissor_enable;
161};
162
163struct r600_pipe_blend {
164	struct r600_pipe_state		rstate;
165	unsigned			cb_target_mask;
166	unsigned			cb_color_control;
167	bool				dual_src_blend;
168};
169
170struct r600_pipe_dsa {
171	struct r600_pipe_state		rstate;
172	unsigned			alpha_ref;
173	ubyte				valuemask[2];
174	ubyte				writemask[2];
175	bool				is_flush;
176	unsigned                        sx_alpha_test_control;
177};
178
179struct r600_vertex_element
180{
181	unsigned			count;
182	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
183	struct r600_resource		*fetch_shader;
184	unsigned			fs_size;
185	struct r600_pipe_state		rstate;
186};
187
188struct r600_pipe_shader;
189
190struct r600_pipe_shader_selector {
191	struct r600_pipe_shader *current;
192
193	struct tgsi_token       *tokens;
194	struct pipe_stream_output_info  so;
195
196	unsigned	num_shaders;
197
198	/* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
199	unsigned	type;
200
201	unsigned	nr_ps_max_color_exports;
202};
203
204struct r600_pipe_shader {
205	struct r600_pipe_shader_selector *selector;
206	struct r600_pipe_shader	*next_variant;
207	struct r600_shader		shader;
208	struct r600_pipe_state		rstate;
209	struct r600_resource		*bo;
210	struct r600_resource		*bo_fetch;
211	struct r600_vertex_element	vertex_elements;
212	unsigned	sprite_coord_enable;
213	unsigned	flatshade;
214	unsigned	pa_cl_vs_out_cntl;
215	unsigned	ps_cb_shader_mask;
216	unsigned	key;
217	unsigned		db_shader_control;
218	unsigned		ps_depth_export;
219};
220
221struct r600_pipe_sampler_state {
222	struct r600_pipe_state		rstate;
223	boolean seamless_cube_map;
224};
225
226/* needed for blitter save */
227#define NUM_TEX_UNITS 16
228
229struct r600_textures_info {
230	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
231	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
232	unsigned			n_views;
233	unsigned			n_samplers;
234	bool				samplers_dirty;
235	bool				is_array_sampler[NUM_TEX_UNITS];
236};
237
238struct r600_fence {
239	struct pipe_reference		reference;
240	unsigned			index; /* in the shared bo */
241	struct r600_resource            *sleep_bo;
242	struct list_head		head;
243};
244
245#define FENCE_BLOCK_SIZE 16
246
247struct r600_fence_block {
248	struct r600_fence		fences[FENCE_BLOCK_SIZE];
249	struct list_head		head;
250};
251
252#define R600_CONSTANT_ARRAY_SIZE 256
253#define R600_RESOURCE_ARRAY_SIZE 160
254
255struct r600_stencil_ref
256{
257	ubyte ref_value[2];
258	ubyte valuemask[2];
259	ubyte writemask[2];
260};
261
262struct r600_constbuf_state
263{
264	struct r600_atom		atom;
265	struct pipe_constant_buffer	cb[PIPE_MAX_CONSTANT_BUFFERS];
266	uint32_t			enabled_mask;
267	uint32_t			dirty_mask;
268};
269
270struct r600_context {
271	struct pipe_context		context;
272	struct blitter_context		*blitter;
273	enum radeon_family		family;
274	enum chip_class			chip_class;
275	boolean				has_vertex_cache;
276	unsigned			r6xx_num_clause_temp_gprs;
277	void				*custom_dsa_flush;
278	struct r600_screen		*screen;
279	struct radeon_winsys		*ws;
280	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
281	struct r600_vertex_element	*vertex_elements;
282	struct pipe_framebuffer_state	framebuffer;
283	unsigned			cb_target_mask;
284	unsigned			fb_cb_shader_mask;
285	unsigned			sx_alpha_test_control;
286	unsigned			cb_shader_mask;
287	unsigned			db_shader_control;
288	unsigned			cb_color_control;
289	unsigned			pa_sc_line_stipple;
290	unsigned			pa_cl_clip_cntl;
291	/* for saving when using blitter */
292	struct pipe_stencil_ref		stencil_ref;
293	struct pipe_viewport_state	viewport;
294	struct pipe_clip_state		clip;
295	struct r600_pipe_shader_selector 	*ps_shader;
296	struct r600_pipe_shader_selector 	*vs_shader;
297	struct r600_pipe_compute	*cs_shader;
298	struct r600_pipe_rasterizer	*rasterizer;
299	struct r600_pipe_state          vgt;
300	struct r600_pipe_state          spi;
301	struct pipe_query		*current_render_cond;
302	unsigned			current_render_cond_mode;
303	struct pipe_query		*saved_render_cond;
304	unsigned			saved_render_cond_mode;
305	/* shader information */
306	boolean				two_side;
307	boolean				spi_dirty;
308	unsigned			sprite_coord_enable;
309	boolean				flatshade;
310	boolean				export_16bpc;
311	unsigned			alpha_ref;
312	boolean				alpha_ref_dirty;
313	unsigned			nr_cbufs;
314	struct r600_textures_info	vs_samplers;
315	struct r600_textures_info	ps_samplers;
316
317	struct u_upload_mgr	        *uploader;
318	struct util_slab_mempool	pool_transfers;
319	boolean				have_depth_texture, have_depth_fb;
320
321	unsigned default_ps_gprs, default_vs_gprs;
322
323	/* States based on r600_atom. */
324	struct list_head		dirty_states;
325	struct r600_command_buffer	start_cs_cmd; /* invariant state mostly */
326	struct r600_surface_sync_cmd	surface_sync_cmd;
327	struct r600_atom		r6xx_flush_and_inv_cmd;
328	struct r600_db_misc_state	db_misc_state;
329	struct r600_atom		vertex_buffer_state;
330	struct r600_constbuf_state	vs_constbuf_state;
331	struct r600_constbuf_state	ps_constbuf_state;
332
333	struct radeon_winsys_cs	*cs;
334
335	struct r600_range	*range;
336	unsigned		nblocks;
337	struct r600_block	**blocks;
338	struct list_head	dirty;
339	struct list_head	resource_dirty;
340	struct list_head	enable_list;
341	unsigned		pm4_dirty_cdwords;
342	unsigned		ctx_pm4_ndwords;
343
344	/* The list of active queries. Only one query of each type can be active. */
345	int			num_occlusion_queries;
346
347	/* Manage queries in two separate groups:
348	 * The timer ones and the others (streamout, occlusion).
349	 *
350	 * We do this because we should only suspend non-timer queries for u_blitter,
351	 * and later if the non-timer queries are suspended, the context flush should
352	 * only suspend and resume the timer queries. */
353	struct list_head	active_timer_queries;
354	unsigned		num_cs_dw_timer_queries_suspend;
355	struct list_head	active_nontimer_queries;
356	unsigned		num_cs_dw_nontimer_queries_suspend;
357
358	unsigned		num_cs_dw_streamout_end;
359
360	unsigned		backend_mask;
361	unsigned                max_db; /* for OQ */
362	unsigned		flags;
363	boolean                 predicate_drawing;
364	struct r600_range	ps_resources;
365	struct r600_range	vs_resources;
366	int			num_ps_resources, num_vs_resources;
367
368	unsigned		num_so_targets;
369	struct r600_so_target	*so_targets[PIPE_MAX_SO_BUFFERS];
370	boolean			streamout_start;
371	unsigned		streamout_append_bitmask;
372
373	/* There is no scissor enable bit on r6xx, so we must use a workaround.
374	 * These track the current scissor state. */
375	bool			scissor_enable;
376	struct pipe_scissor_state scissor_state;
377
378	/* With rasterizer discard, there doesn't have to be a pixel shader.
379	 * In that case, we bind this one: */
380	void			*dummy_pixel_shader;
381
382	boolean			dual_src_blend;
383
384	/* Vertex and index buffers. */
385	bool			vertex_buffers_dirty;
386	struct pipe_index_buffer index_buffer;
387	struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
388	unsigned		nr_vertex_buffers;
389};
390
391static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
392{
393	atom->emit(rctx, atom);
394	atom->dirty = false;
395	if (atom->head.next && atom->head.prev)
396		LIST_DELINIT(&atom->head);
397}
398
399static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
400{
401	if (!state->dirty) {
402		if (state->flags & EMIT_EARLY) {
403			LIST_ADD(&state->head, &rctx->dirty_states);
404		} else {
405			LIST_ADDTAIL(&state->head, &rctx->dirty_states);
406		}
407		state->dirty = true;
408	}
409}
410
411/* evergreen_state.c */
412void evergreen_init_state_functions(struct r600_context *rctx);
413void evergreen_init_atom_start_cs(struct r600_context *rctx);
414void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
415void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
416void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
417void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
418void evergreen_polygon_offset_update(struct r600_context *rctx);
419boolean evergreen_is_format_supported(struct pipe_screen *screen,
420				      enum pipe_format format,
421				      enum pipe_texture_target target,
422				      unsigned sample_count,
423				      unsigned usage);
424
425void evergreen_update_dual_export_state(struct r600_context * rctx);
426
427/* r600_blit.c */
428void r600_init_blit_functions(struct r600_context *rctx);
429void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
430void r600_flush_depth_textures(struct r600_context *rctx);
431
432/* r600_buffer.c */
433bool r600_init_resource(struct r600_screen *rscreen,
434			struct r600_resource *res,
435			unsigned size, unsigned alignment,
436			unsigned bind, unsigned usage);
437struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
438					 const struct pipe_resource *templ);
439
440/* r600_pipe.c */
441void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
442		unsigned flags);
443
444/* r600_query.c */
445void r600_init_query_functions(struct r600_context *rctx);
446void r600_suspend_nontimer_queries(struct r600_context *ctx);
447void r600_resume_nontimer_queries(struct r600_context *ctx);
448void r600_suspend_timer_queries(struct r600_context *ctx);
449void r600_resume_timer_queries(struct r600_context *ctx);
450
451/* r600_resource.c */
452void r600_init_context_resource_functions(struct r600_context *r600);
453
454/* r600_shader.c */
455int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
456#ifdef HAVE_OPENCL
457int r600_compute_shader_create(struct pipe_context * ctx,
458	LLVMModuleRef mod,  struct r600_bytecode * bytecode);
459#endif
460void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
461
462/* r600_state.c */
463void r600_set_scissor_state(struct r600_context *rctx,
464			    const struct pipe_scissor_state *state);
465void r600_update_sampler_states(struct r600_context *rctx);
466void r600_init_state_functions(struct r600_context *rctx);
467void r600_init_atom_start_cs(struct r600_context *rctx);
468void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
469void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
470void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
471void *r600_create_db_flush_dsa(struct r600_context *rctx);
472void r600_polygon_offset_update(struct r600_context *rctx);
473void r600_adjust_gprs(struct r600_context *rctx);
474boolean r600_is_format_supported(struct pipe_screen *screen,
475				 enum pipe_format format,
476				 enum pipe_texture_target target,
477				 unsigned sample_count,
478				 unsigned usage);
479
480/* r600_texture.c */
481void r600_init_screen_texture_functions(struct pipe_screen *screen);
482void r600_init_surface_functions(struct r600_context *r600);
483uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
484				  const unsigned char *swizzle_view,
485				  uint32_t *word4_p, uint32_t *yuv_format_p);
486unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
487					unsigned level, unsigned layer);
488
489/* r600_translate.c */
490void r600_translate_index_buffer(struct r600_context *r600,
491				 struct pipe_index_buffer *ib,
492				 unsigned count);
493
494/* r600_state_common.c */
495void r600_init_atom(struct r600_atom *atom,
496		    void (*emit)(struct r600_context *ctx, struct r600_atom *state),
497		    unsigned num_dw, enum r600_atom_flags flags);
498void r600_init_common_atoms(struct r600_context *rctx);
499unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
500void r600_texture_barrier(struct pipe_context *ctx);
501void r600_set_index_buffer(struct pipe_context *ctx,
502			   const struct pipe_index_buffer *ib);
503void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
504			     const struct pipe_vertex_buffer *buffers);
505void *r600_create_vertex_elements(struct pipe_context *ctx,
506				  unsigned count,
507				  const struct pipe_vertex_element *elements);
508void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
509void r600_bind_blend_state(struct pipe_context *ctx, void *state);
510void r600_set_blend_color(struct pipe_context *ctx,
511			  const struct pipe_blend_color *state);
512void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
513void r600_set_max_scissor(struct r600_context *rctx);
514void r600_bind_rs_state(struct pipe_context *ctx, void *state);
515void r600_delete_rs_state(struct pipe_context *ctx, void *state);
516void r600_sampler_view_destroy(struct pipe_context *ctx,
517			       struct pipe_sampler_view *state);
518void r600_delete_state(struct pipe_context *ctx, void *state);
519void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
520void *r600_create_shader_state_ps(struct pipe_context *ctx,
521                   const struct pipe_shader_state *state);
522void *r600_create_shader_state_vs(struct pipe_context *ctx,
523                   const struct pipe_shader_state *state);
524void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
525void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
526void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
527void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
528void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
529void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
530			      struct pipe_constant_buffer *cb);
531struct pipe_stream_output_target *
532r600_create_so_target(struct pipe_context *ctx,
533		      struct pipe_resource *buffer,
534		      unsigned buffer_offset,
535		      unsigned buffer_size);
536void r600_so_target_destroy(struct pipe_context *ctx,
537			    struct pipe_stream_output_target *target);
538void r600_set_so_targets(struct pipe_context *ctx,
539			 unsigned num_targets,
540			 struct pipe_stream_output_target **targets,
541			 unsigned append_bitmask);
542void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
543			       const struct pipe_stencil_ref *state);
544void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
545uint32_t r600_translate_stencil_op(int s_op);
546uint32_t r600_translate_fill(uint32_t func);
547unsigned r600_tex_wrap(unsigned wrap);
548unsigned r600_tex_filter(unsigned filter);
549unsigned r600_tex_mipfilter(unsigned filter);
550unsigned r600_tex_compare(unsigned compare);
551
552/*
553 * Helpers for building command buffers
554 */
555
556#define PKT3_SET_CONFIG_REG	0x68
557#define PKT3_SET_CONTEXT_REG	0x69
558#define PKT3_SET_CTL_CONST      0x6F
559#define PKT3_SET_LOOP_CONST                    0x6C
560
561#define R600_CONFIG_REG_OFFSET	0x08000
562#define R600_CONTEXT_REG_OFFSET 0x28000
563#define R600_CTL_CONST_OFFSET   0x3CFF0
564#define R600_LOOP_CONST_OFFSET                 0X0003E200
565#define EG_LOOP_CONST_OFFSET               0x0003A200
566
567#define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
568#define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
569#define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
570#define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
571#define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
572
573static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
574{
575	cb->buf[cb->atom.num_dw++] = value;
576}
577
578static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
579{
580	assert(reg < R600_CONTEXT_REG_OFFSET);
581	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
582	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
583	cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
584}
585
586static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
587{
588	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
589	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
590	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
591	cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
592}
593
594static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
595{
596	assert(reg >= R600_CTL_CONST_OFFSET);
597	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
598	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
599	cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
600}
601
602static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
603{
604	assert(reg >= R600_LOOP_CONST_OFFSET);
605	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
606	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
607	cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
608}
609
610static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
611{
612	assert(reg >= EG_LOOP_CONST_OFFSET);
613	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
614	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
615	cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
616}
617
618static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
619{
620	r600_store_config_reg_seq(cb, reg, 1);
621	r600_store_value(cb, value);
622}
623
624static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
625{
626	r600_store_context_reg_seq(cb, reg, 1);
627	r600_store_value(cb, value);
628}
629
630static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
631{
632	r600_store_ctl_const_seq(cb, reg, 1);
633	r600_store_value(cb, value);
634}
635
636static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
637{
638	r600_store_loop_const_seq(cb, reg, 1);
639	r600_store_value(cb, value);
640}
641
642static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
643{
644	eg_store_loop_const_seq(cb, reg, 1);
645	r600_store_value(cb, value);
646}
647
648void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
649void r600_release_command_buffer(struct r600_command_buffer *cb);
650
651/*
652 * Helpers for emitting state into a command stream directly.
653 */
654
655static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
656					     enum radeon_bo_usage usage)
657{
658	assert(usage);
659	return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
660}
661
662static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
663{
664	cs->buf[cs->cdw++] = value;
665}
666
667static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
668{
669	assert(reg < R600_CONTEXT_REG_OFFSET);
670	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
671	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
672	cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
673}
674
675static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
676{
677	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
678	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
679	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
680	cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
681}
682
683static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
684{
685	assert(reg >= R600_CTL_CONST_OFFSET);
686	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
687	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
688	cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
689}
690
691static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
692{
693	r600_write_config_reg_seq(cs, reg, 1);
694	r600_write_value(cs, value);
695}
696
697static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
698{
699	r600_write_context_reg_seq(cs, reg, 1);
700	r600_write_value(cs, value);
701}
702
703static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
704{
705	r600_write_ctl_const_seq(cs, reg, 1);
706	r600_write_value(cs, value);
707}
708
709/*
710 * common helpers
711 */
712static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
713{
714	return value * (1 << frac_bits);
715}
716#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
717
718static inline unsigned r600_tex_aniso_filter(unsigned filter)
719{
720	if (filter <= 1)   return 0;
721	if (filter <= 2)   return 1;
722	if (filter <= 4)   return 2;
723	if (filter <= 8)   return 3;
724	 /* else */        return 4;
725}
726
727/* 12.4 fixed-point */
728static INLINE unsigned r600_pack_float_12p4(float x)
729{
730	return x <= 0    ? 0 :
731	       x >= 4096 ? 0xffff : x * 16;
732}
733
734static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
735{
736	struct r600_screen *rscreen = (struct r600_screen*)screen;
737	struct r600_resource *rresource = (struct r600_resource*)resource;
738
739	return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
740}
741
742#endif
743