r600_pipe.h revision d3b013049126fb44d65a0a67001b04acbe778613
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	unsigned pkt_flags;
72};
73
74struct r600_surface_sync_cmd {
75	struct r600_atom atom;
76	unsigned flush_flags; /* CP_COHER_CNTL */
77};
78
79struct r600_db_misc_state {
80	struct r600_atom atom;
81	bool occlusion_query_enabled;
82	bool flush_depthstencil_through_cb;
83};
84
85struct r600_cb_misc_state {
86	struct r600_atom atom;
87	unsigned cb_color_control; /* this comes from blend state */
88	unsigned blend_colormask; /* 8*4 bits for 8 RGBA colorbuffers */
89	unsigned nr_cbufs;
90	unsigned nr_ps_color_outputs;
91	bool multiwrite;
92	bool dual_src_blend;
93};
94
95struct r600_alphatest_state {
96	struct r600_atom atom;
97	unsigned sx_alpha_test_control; /* this comes from dsa state */
98	unsigned sx_alpha_ref; /* this comes from dsa state */
99	bool bypass;
100	bool cb0_export_16bpc; /* from set_framebuffer_state */
101};
102
103struct r600_cs_shader_state {
104	struct r600_atom atom;
105	struct r600_pipe_compute *shader;
106};
107
108enum r600_pipe_state_id {
109	R600_PIPE_STATE_BLEND = 0,
110	R600_PIPE_STATE_BLEND_COLOR,
111	R600_PIPE_STATE_CONFIG,
112	R600_PIPE_STATE_SEAMLESS_CUBEMAP,
113	R600_PIPE_STATE_CLIP,
114	R600_PIPE_STATE_SCISSOR,
115	R600_PIPE_STATE_VIEWPORT,
116	R600_PIPE_STATE_RASTERIZER,
117	R600_PIPE_STATE_VGT,
118	R600_PIPE_STATE_FRAMEBUFFER,
119	R600_PIPE_STATE_DSA,
120	R600_PIPE_STATE_STENCIL_REF,
121	R600_PIPE_STATE_PS_SHADER,
122	R600_PIPE_STATE_VS_SHADER,
123	R600_PIPE_STATE_CONSTANT,
124	R600_PIPE_STATE_SAMPLER,
125	R600_PIPE_STATE_RESOURCE,
126	R600_PIPE_STATE_POLYGON_OFFSET,
127	R600_PIPE_STATE_FETCH_SHADER,
128	R600_PIPE_STATE_SPI,
129	R600_PIPE_NSTATES
130};
131
132struct compute_memory_pool;
133void compute_memory_pool_delete(struct compute_memory_pool* pool);
134struct compute_memory_pool* compute_memory_pool_new(
135	struct r600_screen *rscreen);
136
137struct r600_pipe_fences {
138	struct r600_resource		*bo;
139	unsigned			*data;
140	unsigned			next_index;
141	/* linked list of preallocated blocks */
142	struct list_head		blocks;
143	/* linked list of freed fences */
144	struct list_head		pool;
145	pipe_mutex			mutex;
146};
147
148struct r600_screen {
149	struct pipe_screen		screen;
150	struct radeon_winsys		*ws;
151	unsigned			family;
152	enum chip_class			chip_class;
153	struct radeon_info		info;
154	bool				has_streamout;
155	struct r600_tiling_info		tiling_info;
156	struct r600_pipe_fences		fences;
157
158	bool				use_surface_alloc;
159
160	/*for compute global memory binding, we allocate stuff here, instead of
161	 * buffers.
162	 * XXX: Not sure if this is the best place for global_pool.  Also,
163	 * it's not thread safe, so it won't work with multiple contexts. */
164	struct compute_memory_pool *global_pool;
165};
166
167struct r600_pipe_sampler_view {
168	struct pipe_sampler_view	base;
169	struct r600_resource		*tex_resource;
170	uint32_t			tex_resource_words[8];
171};
172
173struct r600_pipe_rasterizer {
174	struct r600_pipe_state		rstate;
175	boolean				flatshade;
176	boolean				two_side;
177	unsigned			sprite_coord_enable;
178	unsigned                        clip_plane_enable;
179	unsigned			pa_sc_line_stipple;
180	unsigned			pa_cl_clip_cntl;
181	float				offset_units;
182	float				offset_scale;
183	bool				scissor_enable;
184};
185
186struct r600_pipe_blend {
187	struct r600_pipe_state		rstate;
188	unsigned			cb_target_mask;
189	unsigned			cb_color_control;
190	bool				dual_src_blend;
191};
192
193struct r600_pipe_dsa {
194	struct r600_pipe_state		rstate;
195	unsigned			alpha_ref;
196	ubyte				valuemask[2];
197	ubyte				writemask[2];
198	unsigned                        sx_alpha_test_control;
199};
200
201struct r600_vertex_element
202{
203	unsigned			count;
204	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
205	struct r600_resource		*fetch_shader;
206	unsigned			fs_size;
207	struct r600_pipe_state		rstate;
208};
209
210struct r600_pipe_shader;
211
212struct r600_pipe_shader_selector {
213	struct r600_pipe_shader *current;
214
215	struct tgsi_token       *tokens;
216	struct pipe_stream_output_info  so;
217
218	unsigned	num_shaders;
219
220	/* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
221	unsigned	type;
222
223	unsigned	nr_ps_max_color_exports;
224};
225
226struct r600_pipe_shader {
227	struct r600_pipe_shader_selector *selector;
228	struct r600_pipe_shader	*next_variant;
229	struct r600_shader		shader;
230	struct r600_pipe_state		rstate;
231	struct r600_resource		*bo;
232	struct r600_resource		*bo_fetch;
233	struct r600_vertex_element	vertex_elements;
234	unsigned	sprite_coord_enable;
235	unsigned	flatshade;
236	unsigned	pa_cl_vs_out_cntl;
237	unsigned	nr_ps_color_outputs;
238	unsigned	key;
239	unsigned		db_shader_control;
240	unsigned		ps_depth_export;
241};
242
243struct r600_pipe_sampler_state {
244	struct r600_pipe_state		rstate;
245	boolean seamless_cube_map;
246};
247
248/* needed for blitter save */
249#define NUM_TEX_UNITS 16
250
251struct r600_samplerview_state
252{
253	struct r600_atom		atom;
254	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
255	uint32_t			enabled_mask;
256	uint32_t			dirty_mask;
257	uint32_t			depth_texture_mask; /* which textures are depth */
258};
259
260struct r600_textures_info {
261	struct r600_samplerview_state	views;
262
263	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
264	unsigned			n_samplers;
265	bool				samplers_dirty;
266	bool				is_array_sampler[NUM_TEX_UNITS];
267};
268
269struct r600_fence {
270	struct pipe_reference		reference;
271	unsigned			index; /* in the shared bo */
272	struct r600_resource            *sleep_bo;
273	struct list_head		head;
274};
275
276#define FENCE_BLOCK_SIZE 16
277
278struct r600_fence_block {
279	struct r600_fence		fences[FENCE_BLOCK_SIZE];
280	struct list_head		head;
281};
282
283#define R600_CONSTANT_ARRAY_SIZE 256
284#define R600_RESOURCE_ARRAY_SIZE 160
285
286struct r600_stencil_ref
287{
288	ubyte ref_value[2];
289	ubyte valuemask[2];
290	ubyte writemask[2];
291};
292
293struct r600_constbuf_state
294{
295	struct r600_atom		atom;
296	struct pipe_constant_buffer	cb[PIPE_MAX_CONSTANT_BUFFERS];
297	uint32_t			enabled_mask;
298	uint32_t			dirty_mask;
299};
300
301struct r600_vertexbuf_state
302{
303	struct r600_atom		atom;
304	struct pipe_vertex_buffer	vb[PIPE_MAX_ATTRIBS];
305	uint32_t			enabled_mask; /* non-NULL buffers */
306	uint32_t			dirty_mask;
307};
308
309struct r600_context {
310	struct pipe_context		context;
311	struct blitter_context		*blitter;
312	enum radeon_family		family;
313	enum chip_class			chip_class;
314	boolean				has_vertex_cache;
315	unsigned			r6xx_num_clause_temp_gprs;
316	void				*custom_dsa_flush;
317	struct r600_screen		*screen;
318	struct radeon_winsys		*ws;
319	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
320	struct r600_vertex_element	*vertex_elements;
321	struct pipe_framebuffer_state	framebuffer;
322	unsigned			compute_cb_target_mask;
323	unsigned			db_shader_control;
324	unsigned			pa_sc_line_stipple;
325	unsigned			pa_cl_clip_cntl;
326	/* for saving when using blitter */
327	struct pipe_stencil_ref		stencil_ref;
328	struct pipe_viewport_state	viewport;
329	struct pipe_clip_state		clip;
330	struct r600_pipe_shader_selector 	*ps_shader;
331	struct r600_pipe_shader_selector 	*vs_shader;
332	struct r600_pipe_rasterizer	*rasterizer;
333	struct r600_pipe_state          vgt;
334	struct r600_pipe_state          spi;
335	struct pipe_query		*current_render_cond;
336	unsigned			current_render_cond_mode;
337	struct pipe_query		*saved_render_cond;
338	unsigned			saved_render_cond_mode;
339	/* shader information */
340	boolean				two_side;
341	boolean				spi_dirty;
342	unsigned			sprite_coord_enable;
343	boolean				flatshade;
344	boolean				export_16bpc;
345	unsigned			nr_cbufs;
346
347	struct u_upload_mgr	        *uploader;
348	struct util_slab_mempool	pool_transfers;
349
350	unsigned default_ps_gprs, default_vs_gprs;
351
352	/* States based on r600_atom. */
353	struct list_head		dirty_states;
354	struct r600_command_buffer	start_cs_cmd; /* invariant state mostly */
355	/** Compute specific registers initializations.  The start_cs_cmd atom
356	 *  must be emitted before start_compute_cs_cmd. */
357        struct r600_command_buffer      start_compute_cs_cmd;
358	struct r600_surface_sync_cmd	surface_sync_cmd;
359	struct r600_atom		r6xx_flush_and_inv_cmd;
360	struct r600_alphatest_state	alphatest_state;
361	struct r600_cb_misc_state	cb_misc_state;
362	struct r600_db_misc_state	db_misc_state;
363	/** Vertex buffers for fetch shaders */
364	struct r600_vertexbuf_state	vertex_buffer_state;
365	/** Vertex buffers for compute shaders */
366	struct r600_vertexbuf_state	cs_vertex_buffer_state;
367	struct r600_constbuf_state	vs_constbuf_state;
368	struct r600_constbuf_state	ps_constbuf_state;
369	struct r600_textures_info	vs_samplers;
370	struct r600_textures_info	ps_samplers;
371	struct r600_cs_shader_state	cs_shader_state;
372
373	struct radeon_winsys_cs	*cs;
374
375	struct r600_range	*range;
376	unsigned		nblocks;
377	struct r600_block	**blocks;
378	struct list_head	dirty;
379	struct list_head	enable_list;
380	unsigned		pm4_dirty_cdwords;
381	unsigned		ctx_pm4_ndwords;
382
383	/* The list of active queries. Only one query of each type can be active. */
384	int			num_occlusion_queries;
385
386	/* Manage queries in two separate groups:
387	 * The timer ones and the others (streamout, occlusion).
388	 *
389	 * We do this because we should only suspend non-timer queries for u_blitter,
390	 * and later if the non-timer queries are suspended, the context flush should
391	 * only suspend and resume the timer queries. */
392	struct list_head	active_timer_queries;
393	unsigned		num_cs_dw_timer_queries_suspend;
394	struct list_head	active_nontimer_queries;
395	unsigned		num_cs_dw_nontimer_queries_suspend;
396
397	unsigned		num_cs_dw_streamout_end;
398
399	unsigned		backend_mask;
400	unsigned                max_db; /* for OQ */
401	unsigned		flags;
402	boolean                 predicate_drawing;
403
404	unsigned		num_so_targets;
405	struct r600_so_target	*so_targets[PIPE_MAX_SO_BUFFERS];
406	boolean			streamout_start;
407	unsigned		streamout_append_bitmask;
408
409	/* There is no scissor enable bit on r6xx, so we must use a workaround.
410	 * These track the current scissor state. */
411	bool			scissor_enable;
412	struct pipe_scissor_state scissor_state;
413
414	/* With rasterizer discard, there doesn't have to be a pixel shader.
415	 * In that case, we bind this one: */
416	void			*dummy_pixel_shader;
417
418	boolean			dual_src_blend;
419
420	/* Index buffer. */
421	struct pipe_index_buffer index_buffer;
422};
423
424static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
425{
426	atom->emit(rctx, atom);
427	atom->dirty = false;
428	if (atom->head.next && atom->head.prev)
429		LIST_DELINIT(&atom->head);
430}
431
432static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
433{
434	if (!state->dirty) {
435		if (state->flags & EMIT_EARLY) {
436			LIST_ADD(&state->head, &rctx->dirty_states);
437		} else {
438			LIST_ADDTAIL(&state->head, &rctx->dirty_states);
439		}
440		state->dirty = true;
441	}
442}
443
444/* evergreen_state.c */
445void evergreen_init_state_functions(struct r600_context *rctx);
446void evergreen_init_atom_start_cs(struct r600_context *rctx);
447void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
448void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
449void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
450void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
451void evergreen_polygon_offset_update(struct r600_context *rctx);
452boolean evergreen_is_format_supported(struct pipe_screen *screen,
453				      enum pipe_format format,
454				      enum pipe_texture_target target,
455				      unsigned sample_count,
456				      unsigned usage);
457void evergreen_cb(struct r600_context *rctx, struct r600_pipe_state *rstate,
458                         const struct pipe_framebuffer_state *state, int cb);
459
460
461void evergreen_update_dual_export_state(struct r600_context * rctx);
462
463/* r600_blit.c */
464void r600_copy_buffer(struct pipe_context *ctx, struct
465		      pipe_resource *dst, unsigned dstx,
466		      struct pipe_resource *src, const struct pipe_box *src_box);
467void r600_init_blit_functions(struct r600_context *rctx);
468void r600_blit_uncompress_depth(struct pipe_context *ctx,
469		struct r600_resource_texture *texture,
470		struct r600_resource_texture *staging,
471		unsigned first_level, unsigned last_level,
472		unsigned first_layer, unsigned last_layer);
473void r600_flush_depth_textures(struct r600_context *rctx,
474			       struct r600_samplerview_state *textures);
475/* r600_buffer.c */
476bool r600_init_resource(struct r600_screen *rscreen,
477			struct r600_resource *res,
478			unsigned size, unsigned alignment,
479			unsigned bind, unsigned usage);
480struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
481					 const struct pipe_resource *templ);
482
483/* r600_pipe.c */
484void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
485		unsigned flags);
486
487/* r600_query.c */
488void r600_init_query_functions(struct r600_context *rctx);
489void r600_suspend_nontimer_queries(struct r600_context *ctx);
490void r600_resume_nontimer_queries(struct r600_context *ctx);
491void r600_suspend_timer_queries(struct r600_context *ctx);
492void r600_resume_timer_queries(struct r600_context *ctx);
493
494/* r600_resource.c */
495void r600_init_context_resource_functions(struct r600_context *r600);
496
497/* r600_shader.c */
498int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
499#ifdef HAVE_OPENCL
500int r600_compute_shader_create(struct pipe_context * ctx,
501	LLVMModuleRef mod,  struct r600_bytecode * bytecode);
502#endif
503void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
504
505/* r600_state.c */
506void r600_set_scissor_state(struct r600_context *rctx,
507			    const struct pipe_scissor_state *state);
508void r600_update_sampler_states(struct r600_context *rctx);
509void r600_init_state_functions(struct r600_context *rctx);
510void r600_init_atom_start_cs(struct r600_context *rctx);
511void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
512void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
513void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
514void *r600_create_db_flush_dsa(struct r600_context *rctx);
515void r600_polygon_offset_update(struct r600_context *rctx);
516void r600_adjust_gprs(struct r600_context *rctx);
517boolean r600_is_format_supported(struct pipe_screen *screen,
518				 enum pipe_format format,
519				 enum pipe_texture_target target,
520				 unsigned sample_count,
521				 unsigned usage);
522void r600_update_dual_export_state(struct r600_context * rctx);
523
524/* r600_texture.c */
525void r600_init_screen_texture_functions(struct pipe_screen *screen);
526void r600_init_surface_functions(struct r600_context *r600);
527uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
528				  const unsigned char *swizzle_view,
529				  uint32_t *word4_p, uint32_t *yuv_format_p);
530unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
531					unsigned level, unsigned layer);
532
533/* r600_translate.c */
534void r600_translate_index_buffer(struct r600_context *r600,
535				 struct pipe_index_buffer *ib,
536				 unsigned count);
537
538/* r600_state_common.c */
539void r600_init_atom(struct r600_atom *atom,
540		    void (*emit)(struct r600_context *ctx, struct r600_atom *state),
541		    unsigned num_dw, enum r600_atom_flags flags);
542void r600_init_common_atoms(struct r600_context *rctx);
543unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
544void r600_texture_barrier(struct pipe_context *ctx);
545void r600_set_index_buffer(struct pipe_context *ctx,
546			   const struct pipe_index_buffer *ib);
547void r600_vertex_buffers_dirty(struct r600_context *rctx);
548void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
549			     const struct pipe_vertex_buffer *input);
550void r600_sampler_views_dirty(struct r600_context *rctx,
551			      struct r600_samplerview_state *state);
552void r600_set_sampler_views(struct r600_context *rctx,
553			    struct r600_textures_info *dst,
554			    unsigned count,
555			    struct pipe_sampler_view **views);
556void *r600_create_vertex_elements(struct pipe_context *ctx,
557				  unsigned count,
558				  const struct pipe_vertex_element *elements);
559void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
560void r600_bind_blend_state(struct pipe_context *ctx, void *state);
561void r600_set_blend_color(struct pipe_context *ctx,
562			  const struct pipe_blend_color *state);
563void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
564void r600_set_max_scissor(struct r600_context *rctx);
565void r600_bind_rs_state(struct pipe_context *ctx, void *state);
566void r600_delete_rs_state(struct pipe_context *ctx, void *state);
567void r600_sampler_view_destroy(struct pipe_context *ctx,
568			       struct pipe_sampler_view *state);
569void r600_delete_state(struct pipe_context *ctx, void *state);
570void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
571void *r600_create_shader_state_ps(struct pipe_context *ctx,
572                   const struct pipe_shader_state *state);
573void *r600_create_shader_state_vs(struct pipe_context *ctx,
574                   const struct pipe_shader_state *state);
575void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
576void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
577void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
578void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
579void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
580void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
581			      struct pipe_constant_buffer *cb);
582struct pipe_stream_output_target *
583r600_create_so_target(struct pipe_context *ctx,
584		      struct pipe_resource *buffer,
585		      unsigned buffer_offset,
586		      unsigned buffer_size);
587void r600_so_target_destroy(struct pipe_context *ctx,
588			    struct pipe_stream_output_target *target);
589void r600_set_so_targets(struct pipe_context *ctx,
590			 unsigned num_targets,
591			 struct pipe_stream_output_target **targets,
592			 unsigned append_bitmask);
593void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
594			       const struct pipe_stencil_ref *state);
595void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
596uint32_t r600_translate_stencil_op(int s_op);
597uint32_t r600_translate_fill(uint32_t func);
598unsigned r600_tex_wrap(unsigned wrap);
599unsigned r600_tex_filter(unsigned filter);
600unsigned r600_tex_mipfilter(unsigned filter);
601unsigned r600_tex_compare(unsigned compare);
602
603/*
604 * Helpers for building command buffers
605 */
606
607#define PKT3_SET_CONFIG_REG	0x68
608#define PKT3_SET_CONTEXT_REG	0x69
609#define PKT3_SET_CTL_CONST      0x6F
610#define PKT3_SET_LOOP_CONST                    0x6C
611
612#define R600_CONFIG_REG_OFFSET	0x08000
613#define R600_CONTEXT_REG_OFFSET 0x28000
614#define R600_CTL_CONST_OFFSET   0x3CFF0
615#define R600_LOOP_CONST_OFFSET                 0X0003E200
616#define EG_LOOP_CONST_OFFSET               0x0003A200
617
618#define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
619#define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
620#define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
621#define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
622#define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
623
624#define RADEON_CP_PACKET3_COMPUTE_MODE 0x00000002
625
626/*Evergreen Compute packet3*/
627#define PKT3C(op, count, predicate) (PKT_TYPE_S(3) | PKT3_IT_OPCODE_S(op) | PKT_COUNT_S(count) | PKT3_PREDICATE(predicate) | RADEON_CP_PACKET3_COMPUTE_MODE)
628
629static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
630{
631	cb->buf[cb->atom.num_dw++] = value;
632}
633
634static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
635{
636	assert(reg < R600_CONTEXT_REG_OFFSET);
637	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
638	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
639	cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
640}
641
642/**
643 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
644 * shaders.
645 */
646static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
647{
648	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
649	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
650	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
651	cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
652}
653
654/**
655 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
656 * shaders.
657 */
658static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
659{
660	assert(reg >= R600_CTL_CONST_OFFSET);
661	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
662	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
663	cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
664}
665
666static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
667{
668	assert(reg >= R600_LOOP_CONST_OFFSET);
669	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
670	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
671	cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
672}
673
674/**
675 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
676 * shaders.
677 */
678static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
679{
680	assert(reg >= EG_LOOP_CONST_OFFSET);
681	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
682	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
683	cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
684}
685
686static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
687{
688	r600_store_config_reg_seq(cb, reg, 1);
689	r600_store_value(cb, value);
690}
691
692static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
693{
694	r600_store_context_reg_seq(cb, reg, 1);
695	r600_store_value(cb, value);
696}
697
698static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
699{
700	r600_store_ctl_const_seq(cb, reg, 1);
701	r600_store_value(cb, value);
702}
703
704static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
705{
706	r600_store_loop_const_seq(cb, reg, 1);
707	r600_store_value(cb, value);
708}
709
710static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
711{
712	eg_store_loop_const_seq(cb, reg, 1);
713	r600_store_value(cb, value);
714}
715
716void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
717void r600_release_command_buffer(struct r600_command_buffer *cb);
718
719/*
720 * Helpers for emitting state into a command stream directly.
721 */
722
723static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
724					     enum radeon_bo_usage usage)
725{
726	assert(usage);
727	return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
728}
729
730static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
731{
732	cs->buf[cs->cdw++] = value;
733}
734
735static INLINE void r600_write_array(struct radeon_winsys_cs *cs, unsigned num, unsigned *ptr)
736{
737	assert(cs->cdw+num <= RADEON_MAX_CMDBUF_DWORDS);
738	memcpy(&cs->buf[cs->cdw], ptr, num * sizeof(ptr[0]));
739	cs->cdw += num;
740}
741
742static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
743{
744	assert(reg < R600_CONTEXT_REG_OFFSET);
745	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
746	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
747	cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
748}
749
750static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
751{
752	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
753	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
754	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
755	cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
756}
757
758static INLINE void r600_write_compute_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
759{
760	r600_write_context_reg_seq(cs, reg, num);
761	/* Set the compute bit on the packet header */
762	cs->buf[cs->cdw - 2] |= RADEON_CP_PACKET3_COMPUTE_MODE;
763}
764
765static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
766{
767	assert(reg >= R600_CTL_CONST_OFFSET);
768	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
769	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
770	cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
771}
772
773static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
774{
775	r600_write_config_reg_seq(cs, reg, 1);
776	r600_write_value(cs, value);
777}
778
779static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
780{
781	r600_write_context_reg_seq(cs, reg, 1);
782	r600_write_value(cs, value);
783}
784
785static INLINE void r600_write_compute_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
786{
787	r600_write_compute_context_reg_seq(cs, reg, 1);
788	r600_write_value(cs, value);
789}
790
791static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
792{
793	r600_write_ctl_const_seq(cs, reg, 1);
794	r600_write_value(cs, value);
795}
796
797/*
798 * common helpers
799 */
800static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
801{
802	return value * (1 << frac_bits);
803}
804#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
805
806static inline unsigned r600_tex_aniso_filter(unsigned filter)
807{
808	if (filter <= 1)   return 0;
809	if (filter <= 2)   return 1;
810	if (filter <= 4)   return 2;
811	if (filter <= 8)   return 3;
812	 /* else */        return 4;
813}
814
815/* 12.4 fixed-point */
816static INLINE unsigned r600_pack_float_12p4(float x)
817{
818	return x <= 0    ? 0 :
819	       x >= 4096 ? 0xffff : x * 16;
820}
821
822static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
823{
824	struct r600_screen *rscreen = (struct r600_screen*)screen;
825	struct r600_resource *rresource = (struct r600_resource*)resource;
826
827	return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
828}
829
830#endif
831