r600_pipe.h revision 2df399c34bb39122a45bdd5b430b48346542e1cb
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	bool copy_depth, copy_stencil;
84};
85
86struct r600_cb_misc_state {
87	struct r600_atom atom;
88	unsigned cb_color_control; /* this comes from blend state */
89	unsigned blend_colormask; /* 8*4 bits for 8 RGBA colorbuffers */
90	unsigned nr_cbufs;
91	unsigned nr_ps_color_outputs;
92	bool multiwrite;
93	bool dual_src_blend;
94};
95
96struct r600_alphatest_state {
97	struct r600_atom atom;
98	unsigned sx_alpha_test_control; /* this comes from dsa state */
99	unsigned sx_alpha_ref; /* this comes from dsa state */
100	bool bypass;
101	bool cb0_export_16bpc; /* from set_framebuffer_state */
102};
103
104struct r600_cs_shader_state {
105	struct r600_atom atom;
106	struct r600_pipe_compute *shader;
107};
108
109enum r600_pipe_state_id {
110	R600_PIPE_STATE_BLEND = 0,
111	R600_PIPE_STATE_BLEND_COLOR,
112	R600_PIPE_STATE_CONFIG,
113	R600_PIPE_STATE_SEAMLESS_CUBEMAP,
114	R600_PIPE_STATE_CLIP,
115	R600_PIPE_STATE_SCISSOR,
116	R600_PIPE_STATE_VIEWPORT,
117	R600_PIPE_STATE_RASTERIZER,
118	R600_PIPE_STATE_VGT,
119	R600_PIPE_STATE_FRAMEBUFFER,
120	R600_PIPE_STATE_DSA,
121	R600_PIPE_STATE_STENCIL_REF,
122	R600_PIPE_STATE_PS_SHADER,
123	R600_PIPE_STATE_VS_SHADER,
124	R600_PIPE_STATE_CONSTANT,
125	R600_PIPE_STATE_SAMPLER,
126	R600_PIPE_STATE_RESOURCE,
127	R600_PIPE_STATE_POLYGON_OFFSET,
128	R600_PIPE_STATE_FETCH_SHADER,
129	R600_PIPE_STATE_SPI,
130	R600_PIPE_NSTATES
131};
132
133struct compute_memory_pool;
134void compute_memory_pool_delete(struct compute_memory_pool* pool);
135struct compute_memory_pool* compute_memory_pool_new(
136	struct r600_screen *rscreen);
137
138struct r600_pipe_fences {
139	struct r600_resource		*bo;
140	unsigned			*data;
141	unsigned			next_index;
142	/* linked list of preallocated blocks */
143	struct list_head		blocks;
144	/* linked list of freed fences */
145	struct list_head		pool;
146	pipe_mutex			mutex;
147};
148
149struct r600_screen {
150	struct pipe_screen		screen;
151	struct radeon_winsys		*ws;
152	unsigned			family;
153	enum chip_class			chip_class;
154	struct radeon_info		info;
155	bool				has_streamout;
156	struct r600_tiling_info		tiling_info;
157	struct r600_pipe_fences		fences;
158
159	/*for compute global memory binding, we allocate stuff here, instead of
160	 * buffers.
161	 * XXX: Not sure if this is the best place for global_pool.  Also,
162	 * it's not thread safe, so it won't work with multiple contexts. */
163	struct compute_memory_pool *global_pool;
164};
165
166struct r600_pipe_sampler_view {
167	struct pipe_sampler_view	base;
168	struct r600_resource		*tex_resource;
169	uint32_t			tex_resource_words[8];
170};
171
172struct r600_pipe_rasterizer {
173	struct r600_pipe_state		rstate;
174	boolean				flatshade;
175	boolean				two_side;
176	unsigned			sprite_coord_enable;
177	unsigned                        clip_plane_enable;
178	unsigned			pa_sc_line_stipple;
179	unsigned			pa_cl_clip_cntl;
180	float				offset_units;
181	float				offset_scale;
182	bool				scissor_enable;
183};
184
185struct r600_pipe_blend {
186	struct r600_pipe_state		rstate;
187	unsigned			cb_target_mask;
188	unsigned			cb_color_control;
189	bool				dual_src_blend;
190};
191
192struct r600_pipe_dsa {
193	struct r600_pipe_state		rstate;
194	unsigned			alpha_ref;
195	ubyte				valuemask[2];
196	ubyte				writemask[2];
197	unsigned                        sx_alpha_test_control;
198};
199
200struct r600_vertex_element
201{
202	unsigned			count;
203	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
204	struct r600_resource		*fetch_shader;
205	unsigned			fs_size;
206	struct r600_pipe_state		rstate;
207};
208
209struct r600_pipe_shader;
210
211struct r600_pipe_shader_selector {
212	struct r600_pipe_shader *current;
213
214	struct tgsi_token       *tokens;
215	struct pipe_stream_output_info  so;
216
217	unsigned	num_shaders;
218
219	/* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
220	unsigned	type;
221
222	unsigned	nr_ps_max_color_exports;
223};
224
225struct r600_pipe_shader {
226	struct r600_pipe_shader_selector *selector;
227	struct r600_pipe_shader	*next_variant;
228	struct r600_shader		shader;
229	struct r600_pipe_state		rstate;
230	struct r600_resource		*bo;
231	struct r600_resource		*bo_fetch;
232	struct r600_vertex_element	vertex_elements;
233	unsigned	sprite_coord_enable;
234	unsigned	flatshade;
235	unsigned	pa_cl_vs_out_cntl;
236	unsigned	nr_ps_color_outputs;
237	unsigned	key;
238	unsigned		db_shader_control;
239	unsigned		ps_depth_export;
240};
241
242struct r600_pipe_sampler_state {
243	uint32_t			tex_sampler_words[3];
244	uint32_t			border_color[4];
245	bool				border_color_use;
246	bool				seamless_cube_map;
247};
248
249/* needed for blitter save */
250#define NUM_TEX_UNITS 16
251
252struct r600_seamless_cube_map {
253	struct r600_atom		atom;
254	bool				enabled;
255};
256
257struct r600_samplerview_state {
258	struct r600_atom		atom;
259	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
260	uint32_t			enabled_mask;
261	uint32_t			dirty_mask;
262	uint32_t			depth_texture_mask; /* which textures are depth */
263};
264
265struct r600_textures_info {
266	struct r600_samplerview_state	views;
267	struct r600_atom		atom_sampler;
268	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
269	unsigned			n_samplers;
270	bool				is_array_sampler[NUM_TEX_UNITS];
271};
272
273struct r600_fence {
274	struct pipe_reference		reference;
275	unsigned			index; /* in the shared bo */
276	struct r600_resource		*sleep_bo;
277	struct list_head		head;
278};
279
280#define FENCE_BLOCK_SIZE 16
281
282struct r600_fence_block {
283	struct r600_fence		fences[FENCE_BLOCK_SIZE];
284	struct list_head		head;
285};
286
287#define R600_CONSTANT_ARRAY_SIZE 256
288#define R600_RESOURCE_ARRAY_SIZE 160
289
290struct r600_stencil_ref
291{
292	ubyte ref_value[2];
293	ubyte valuemask[2];
294	ubyte writemask[2];
295};
296
297struct r600_constbuf_state
298{
299	struct r600_atom		atom;
300	struct pipe_constant_buffer	cb[PIPE_MAX_CONSTANT_BUFFERS];
301	uint32_t			enabled_mask;
302	uint32_t			dirty_mask;
303};
304
305struct r600_vertexbuf_state
306{
307	struct r600_atom		atom;
308	struct pipe_vertex_buffer	vb[PIPE_MAX_ATTRIBS];
309	uint32_t			enabled_mask; /* non-NULL buffers */
310	uint32_t			dirty_mask;
311};
312
313struct r600_context {
314	struct pipe_context		context;
315	struct blitter_context		*blitter;
316	enum radeon_family		family;
317	enum chip_class			chip_class;
318	boolean				has_vertex_cache;
319	unsigned			r6xx_num_clause_temp_gprs;
320	void				*custom_dsa_flush;
321	struct r600_screen		*screen;
322	struct radeon_winsys		*ws;
323	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
324	struct r600_vertex_element	*vertex_elements;
325	struct pipe_framebuffer_state	framebuffer;
326	unsigned			compute_cb_target_mask;
327	unsigned			db_shader_control;
328	unsigned			pa_sc_line_stipple;
329	unsigned			pa_cl_clip_cntl;
330	/* for saving when using blitter */
331	struct pipe_stencil_ref		stencil_ref;
332	struct pipe_viewport_state	viewport;
333	struct pipe_clip_state		clip;
334	struct r600_pipe_shader_selector 	*ps_shader;
335	struct r600_pipe_shader_selector 	*vs_shader;
336	struct r600_pipe_rasterizer	*rasterizer;
337	struct r600_pipe_state          vgt;
338	struct r600_pipe_state          spi;
339	struct pipe_query		*current_render_cond;
340	unsigned			current_render_cond_mode;
341	struct pipe_query		*saved_render_cond;
342	unsigned			saved_render_cond_mode;
343	/* shader information */
344	boolean				two_side;
345	boolean				spi_dirty;
346	unsigned			sprite_coord_enable;
347	boolean				flatshade;
348	boolean				export_16bpc;
349	unsigned			nr_cbufs;
350
351	struct u_upload_mgr	        *uploader;
352	struct util_slab_mempool	pool_transfers;
353
354	unsigned default_ps_gprs, default_vs_gprs;
355
356	/* States based on r600_atom. */
357	struct list_head		dirty_states;
358	struct r600_command_buffer	start_cs_cmd; /* invariant state mostly */
359	/** Compute specific registers initializations.  The start_cs_cmd atom
360	 *  must be emitted before start_compute_cs_cmd. */
361        struct r600_command_buffer      start_compute_cs_cmd;
362	struct r600_surface_sync_cmd	surface_sync_cmd;
363	struct r600_atom		r6xx_flush_and_inv_cmd;
364	struct r600_alphatest_state	alphatest_state;
365	struct r600_cb_misc_state	cb_misc_state;
366	struct r600_db_misc_state	db_misc_state;
367	/** Vertex buffers for fetch shaders */
368	struct r600_vertexbuf_state	vertex_buffer_state;
369	/** Vertex buffers for compute shaders */
370	struct r600_vertexbuf_state	cs_vertex_buffer_state;
371	struct r600_constbuf_state	vs_constbuf_state;
372	struct r600_constbuf_state	ps_constbuf_state;
373	struct r600_textures_info	vs_samplers;
374	struct r600_textures_info	ps_samplers;
375	struct r600_seamless_cube_map	seamless_cube_map;
376	struct r600_cs_shader_state	cs_shader_state;
377
378	struct radeon_winsys_cs	*cs;
379
380	struct r600_range	*range;
381	unsigned		nblocks;
382	struct r600_block	**blocks;
383	struct list_head	dirty;
384	struct list_head	enable_list;
385	unsigned		pm4_dirty_cdwords;
386	unsigned		ctx_pm4_ndwords;
387
388	/* The list of active queries. Only one query of each type can be active. */
389	int			num_occlusion_queries;
390
391	/* Manage queries in two separate groups:
392	 * The timer ones and the others (streamout, occlusion).
393	 *
394	 * We do this because we should only suspend non-timer queries for u_blitter,
395	 * and later if the non-timer queries are suspended, the context flush should
396	 * only suspend and resume the timer queries. */
397	struct list_head	active_timer_queries;
398	unsigned		num_cs_dw_timer_queries_suspend;
399	struct list_head	active_nontimer_queries;
400	unsigned		num_cs_dw_nontimer_queries_suspend;
401
402	unsigned		num_cs_dw_streamout_end;
403
404	unsigned		backend_mask;
405	unsigned                max_db; /* for OQ */
406	unsigned		flags;
407	boolean                 predicate_drawing;
408
409	unsigned		num_so_targets;
410	struct r600_so_target	*so_targets[PIPE_MAX_SO_BUFFERS];
411	boolean			streamout_start;
412	unsigned		streamout_append_bitmask;
413
414	/* There is no scissor enable bit on r6xx, so we must use a workaround.
415	 * These track the current scissor state. */
416	bool			scissor_enable;
417	struct pipe_scissor_state scissor_state;
418
419	/* With rasterizer discard, there doesn't have to be a pixel shader.
420	 * In that case, we bind this one: */
421	void			*dummy_pixel_shader;
422
423	boolean			dual_src_blend;
424
425	/* Index buffer. */
426	struct pipe_index_buffer index_buffer;
427};
428
429static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
430{
431	atom->emit(rctx, atom);
432	atom->dirty = false;
433	if (atom->head.next && atom->head.prev)
434		LIST_DELINIT(&atom->head);
435}
436
437static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
438{
439	if (!state->dirty) {
440		if (state->flags & EMIT_EARLY) {
441			LIST_ADD(&state->head, &rctx->dirty_states);
442		} else {
443			LIST_ADDTAIL(&state->head, &rctx->dirty_states);
444		}
445		state->dirty = true;
446	}
447}
448
449/* evergreen_state.c */
450void evergreen_init_state_functions(struct r600_context *rctx);
451void evergreen_init_atom_start_cs(struct r600_context *rctx);
452void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
453void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
454void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
455void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
456void evergreen_polygon_offset_update(struct r600_context *rctx);
457boolean evergreen_is_format_supported(struct pipe_screen *screen,
458				      enum pipe_format format,
459				      enum pipe_texture_target target,
460				      unsigned sample_count,
461				      unsigned usage);
462void evergreen_init_color_surface(struct r600_context *rctx,
463				  struct r600_surface *surf);
464void evergreen_update_dual_export_state(struct r600_context * rctx);
465
466/* r600_blit.c */
467void r600_copy_buffer(struct pipe_context *ctx, struct
468		      pipe_resource *dst, unsigned dstx,
469		      struct pipe_resource *src, const struct pipe_box *src_box);
470void r600_init_blit_functions(struct r600_context *rctx);
471void r600_blit_uncompress_depth(struct pipe_context *ctx,
472		struct r600_resource_texture *texture,
473		struct r600_resource_texture *staging,
474		unsigned first_level, unsigned last_level,
475		unsigned first_layer, unsigned last_layer);
476void r600_flush_depth_textures(struct r600_context *rctx,
477			       struct r600_samplerview_state *textures);
478/* r600_buffer.c */
479bool r600_init_resource(struct r600_screen *rscreen,
480			struct r600_resource *res,
481			unsigned size, unsigned alignment,
482			unsigned bind, unsigned usage);
483struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
484					 const struct pipe_resource *templ);
485
486/* r600_pipe.c */
487void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
488		unsigned flags);
489
490/* r600_query.c */
491void r600_init_query_functions(struct r600_context *rctx);
492void r600_suspend_nontimer_queries(struct r600_context *ctx);
493void r600_resume_nontimer_queries(struct r600_context *ctx);
494void r600_suspend_timer_queries(struct r600_context *ctx);
495void r600_resume_timer_queries(struct r600_context *ctx);
496
497/* r600_resource.c */
498void r600_init_context_resource_functions(struct r600_context *r600);
499
500/* r600_shader.c */
501int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
502#ifdef HAVE_OPENCL
503int r600_compute_shader_create(struct pipe_context * ctx,
504	LLVMModuleRef mod,  struct r600_bytecode * bytecode);
505#endif
506void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
507
508/* r600_state.c */
509void r600_set_scissor_state(struct r600_context *rctx,
510			    const struct pipe_scissor_state *state);
511void r600_init_state_functions(struct r600_context *rctx);
512void r600_init_atom_start_cs(struct r600_context *rctx);
513void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
514void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
515void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
516void *r600_create_db_flush_dsa(struct r600_context *rctx);
517void r600_polygon_offset_update(struct r600_context *rctx);
518void r600_adjust_gprs(struct r600_context *rctx);
519boolean r600_is_format_supported(struct pipe_screen *screen,
520				 enum pipe_format format,
521				 enum pipe_texture_target target,
522				 unsigned sample_count,
523				 unsigned usage);
524void r600_update_dual_export_state(struct r600_context * rctx);
525
526/* r600_texture.c */
527void r600_init_screen_texture_functions(struct pipe_screen *screen);
528void r600_init_surface_functions(struct r600_context *r600);
529uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
530				  const unsigned char *swizzle_view,
531				  uint32_t *word4_p, uint32_t *yuv_format_p);
532unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
533					unsigned level, unsigned layer);
534
535/* r600_translate.c */
536void r600_translate_index_buffer(struct r600_context *r600,
537				 struct pipe_index_buffer *ib,
538				 unsigned count);
539
540/* r600_state_common.c */
541void r600_init_atom(struct r600_atom *atom,
542		    void (*emit)(struct r600_context *ctx, struct r600_atom *state),
543		    unsigned num_dw, enum r600_atom_flags flags);
544void r600_init_common_atoms(struct r600_context *rctx);
545unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
546void r600_texture_barrier(struct pipe_context *ctx);
547void r600_set_index_buffer(struct pipe_context *ctx,
548			   const struct pipe_index_buffer *ib);
549void r600_vertex_buffers_dirty(struct r600_context *rctx);
550void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
551			     const struct pipe_vertex_buffer *input);
552void r600_sampler_views_dirty(struct r600_context *rctx,
553			      struct r600_samplerview_state *state);
554void r600_set_sampler_views(struct r600_context *rctx,
555			    struct r600_textures_info *dst,
556			    unsigned count,
557			    struct pipe_sampler_view **views);
558void r600_bind_vs_samplers(struct pipe_context *ctx, unsigned count, void **states);
559void r600_bind_ps_samplers(struct pipe_context *ctx, unsigned count, void **states);
560void *r600_create_vertex_elements(struct pipe_context *ctx,
561				  unsigned count,
562				  const struct pipe_vertex_element *elements);
563void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
564void r600_bind_blend_state(struct pipe_context *ctx, void *state);
565void r600_set_blend_color(struct pipe_context *ctx,
566			  const struct pipe_blend_color *state);
567void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
568void r600_set_max_scissor(struct r600_context *rctx);
569void r600_bind_rs_state(struct pipe_context *ctx, void *state);
570void r600_delete_rs_state(struct pipe_context *ctx, void *state);
571void r600_sampler_view_destroy(struct pipe_context *ctx,
572			       struct pipe_sampler_view *state);
573void r600_delete_sampler(struct pipe_context *ctx, void *state);
574void r600_delete_state(struct pipe_context *ctx, void *state);
575void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
576void *r600_create_shader_state_ps(struct pipe_context *ctx,
577                   const struct pipe_shader_state *state);
578void *r600_create_shader_state_vs(struct pipe_context *ctx,
579                   const struct pipe_shader_state *state);
580void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
581void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
582void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
583void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
584void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
585void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
586			      struct pipe_constant_buffer *cb);
587struct pipe_stream_output_target *
588r600_create_so_target(struct pipe_context *ctx,
589		      struct pipe_resource *buffer,
590		      unsigned buffer_offset,
591		      unsigned buffer_size);
592void r600_so_target_destroy(struct pipe_context *ctx,
593			    struct pipe_stream_output_target *target);
594void r600_set_so_targets(struct pipe_context *ctx,
595			 unsigned num_targets,
596			 struct pipe_stream_output_target **targets,
597			 unsigned append_bitmask);
598void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
599			       const struct pipe_stencil_ref *state);
600void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
601uint32_t r600_translate_stencil_op(int s_op);
602uint32_t r600_translate_fill(uint32_t func);
603unsigned r600_tex_wrap(unsigned wrap);
604unsigned r600_tex_filter(unsigned filter);
605unsigned r600_tex_mipfilter(unsigned filter);
606unsigned r600_tex_compare(unsigned compare);
607
608/*
609 * Helpers for building command buffers
610 */
611
612#define PKT3_SET_CONFIG_REG	0x68
613#define PKT3_SET_CONTEXT_REG	0x69
614#define PKT3_SET_CTL_CONST      0x6F
615#define PKT3_SET_LOOP_CONST                    0x6C
616
617#define R600_CONFIG_REG_OFFSET	0x08000
618#define R600_CONTEXT_REG_OFFSET 0x28000
619#define R600_CTL_CONST_OFFSET   0x3CFF0
620#define R600_LOOP_CONST_OFFSET                 0X0003E200
621#define EG_LOOP_CONST_OFFSET               0x0003A200
622
623#define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
624#define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
625#define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
626#define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
627#define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
628
629#define RADEON_CP_PACKET3_COMPUTE_MODE 0x00000002
630
631/*Evergreen Compute packet3*/
632#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)
633
634static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
635{
636	cb->buf[cb->atom.num_dw++] = value;
637}
638
639static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
640{
641	assert(reg < R600_CONTEXT_REG_OFFSET);
642	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
643	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
644	cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
645}
646
647/**
648 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
649 * shaders.
650 */
651static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
652{
653	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
654	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
655	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
656	cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
657}
658
659/**
660 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
661 * shaders.
662 */
663static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
664{
665	assert(reg >= R600_CTL_CONST_OFFSET);
666	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
667	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
668	cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
669}
670
671static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
672{
673	assert(reg >= R600_LOOP_CONST_OFFSET);
674	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
675	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
676	cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
677}
678
679/**
680 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
681 * shaders.
682 */
683static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
684{
685	assert(reg >= EG_LOOP_CONST_OFFSET);
686	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
687	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
688	cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
689}
690
691static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
692{
693	r600_store_config_reg_seq(cb, reg, 1);
694	r600_store_value(cb, value);
695}
696
697static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
698{
699	r600_store_context_reg_seq(cb, reg, 1);
700	r600_store_value(cb, value);
701}
702
703static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
704{
705	r600_store_ctl_const_seq(cb, reg, 1);
706	r600_store_value(cb, value);
707}
708
709static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
710{
711	r600_store_loop_const_seq(cb, reg, 1);
712	r600_store_value(cb, value);
713}
714
715static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
716{
717	eg_store_loop_const_seq(cb, reg, 1);
718	r600_store_value(cb, value);
719}
720
721void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
722void r600_release_command_buffer(struct r600_command_buffer *cb);
723
724/*
725 * Helpers for emitting state into a command stream directly.
726 */
727
728static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
729					     enum radeon_bo_usage usage)
730{
731	assert(usage);
732	return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
733}
734
735static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
736{
737	cs->buf[cs->cdw++] = value;
738}
739
740static INLINE void r600_write_array(struct radeon_winsys_cs *cs, unsigned num, unsigned *ptr)
741{
742	assert(cs->cdw+num <= RADEON_MAX_CMDBUF_DWORDS);
743	memcpy(&cs->buf[cs->cdw], ptr, num * sizeof(ptr[0]));
744	cs->cdw += num;
745}
746
747static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
748{
749	assert(reg < R600_CONTEXT_REG_OFFSET);
750	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
751	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
752	cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
753}
754
755static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
756{
757	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
758	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
759	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
760	cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
761}
762
763static INLINE void r600_write_compute_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
764{
765	r600_write_context_reg_seq(cs, reg, num);
766	/* Set the compute bit on the packet header */
767	cs->buf[cs->cdw - 2] |= RADEON_CP_PACKET3_COMPUTE_MODE;
768}
769
770static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
771{
772	assert(reg >= R600_CTL_CONST_OFFSET);
773	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
774	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
775	cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
776}
777
778static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
779{
780	r600_write_config_reg_seq(cs, reg, 1);
781	r600_write_value(cs, value);
782}
783
784static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
785{
786	r600_write_context_reg_seq(cs, reg, 1);
787	r600_write_value(cs, value);
788}
789
790static INLINE void r600_write_compute_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
791{
792	r600_write_compute_context_reg_seq(cs, reg, 1);
793	r600_write_value(cs, value);
794}
795
796static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
797{
798	r600_write_ctl_const_seq(cs, reg, 1);
799	r600_write_value(cs, value);
800}
801
802/*
803 * common helpers
804 */
805static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
806{
807	return value * (1 << frac_bits);
808}
809#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
810
811static inline unsigned r600_tex_aniso_filter(unsigned filter)
812{
813	if (filter <= 1)   return 0;
814	if (filter <= 2)   return 1;
815	if (filter <= 4)   return 2;
816	if (filter <= 8)   return 3;
817	 /* else */        return 4;
818}
819
820/* 12.4 fixed-point */
821static INLINE unsigned r600_pack_float_12p4(float x)
822{
823	return x <= 0    ? 0 :
824	       x >= 4096 ? 0xffff : x * 16;
825}
826
827static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
828{
829	struct r600_screen *rscreen = (struct r600_screen*)screen;
830	struct r600_resource *rresource = (struct r600_resource*)resource;
831
832	return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
833}
834
835#endif
836