r600_pipe.h revision e2f623f1d6da9bc987582ff68d0471061ae44030
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	bool				use_surface_alloc;
160
161	/*for compute global memory binding, we allocate stuff here, instead of
162	 * buffers.
163	 * XXX: Not sure if this is the best place for global_pool.  Also,
164	 * it's not thread safe, so it won't work with multiple contexts. */
165	struct compute_memory_pool *global_pool;
166};
167
168struct r600_pipe_sampler_view {
169	struct pipe_sampler_view	base;
170	struct r600_resource		*tex_resource;
171	uint32_t			tex_resource_words[8];
172};
173
174struct r600_pipe_rasterizer {
175	struct r600_pipe_state		rstate;
176	boolean				flatshade;
177	boolean				two_side;
178	unsigned			sprite_coord_enable;
179	unsigned                        clip_plane_enable;
180	unsigned			pa_sc_line_stipple;
181	unsigned			pa_cl_clip_cntl;
182	float				offset_units;
183	float				offset_scale;
184	bool				scissor_enable;
185};
186
187struct r600_pipe_blend {
188	struct r600_pipe_state		rstate;
189	unsigned			cb_target_mask;
190	unsigned			cb_color_control;
191	bool				dual_src_blend;
192};
193
194struct r600_pipe_dsa {
195	struct r600_pipe_state		rstate;
196	unsigned			alpha_ref;
197	ubyte				valuemask[2];
198	ubyte				writemask[2];
199	unsigned                        sx_alpha_test_control;
200};
201
202struct r600_vertex_element
203{
204	unsigned			count;
205	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
206	struct r600_resource		*fetch_shader;
207	unsigned			fs_size;
208	struct r600_pipe_state		rstate;
209};
210
211struct r600_pipe_shader;
212
213struct r600_pipe_shader_selector {
214	struct r600_pipe_shader *current;
215
216	struct tgsi_token       *tokens;
217	struct pipe_stream_output_info  so;
218
219	unsigned	num_shaders;
220
221	/* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
222	unsigned	type;
223
224	unsigned	nr_ps_max_color_exports;
225};
226
227struct r600_pipe_shader {
228	struct r600_pipe_shader_selector *selector;
229	struct r600_pipe_shader	*next_variant;
230	struct r600_shader		shader;
231	struct r600_pipe_state		rstate;
232	struct r600_resource		*bo;
233	struct r600_resource		*bo_fetch;
234	struct r600_vertex_element	vertex_elements;
235	unsigned	sprite_coord_enable;
236	unsigned	flatshade;
237	unsigned	pa_cl_vs_out_cntl;
238	unsigned	nr_ps_color_outputs;
239	unsigned	key;
240	unsigned		db_shader_control;
241	unsigned		ps_depth_export;
242};
243
244struct r600_pipe_sampler_state {
245	struct r600_pipe_state		rstate;
246	boolean seamless_cube_map;
247};
248
249/* needed for blitter save */
250#define NUM_TEX_UNITS 16
251
252struct r600_samplerview_state
253{
254	struct r600_atom		atom;
255	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
256	uint32_t			enabled_mask;
257	uint32_t			dirty_mask;
258	uint32_t			depth_texture_mask; /* which textures are depth */
259};
260
261struct r600_textures_info {
262	struct r600_samplerview_state	views;
263
264	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
265	unsigned			n_samplers;
266	bool				samplers_dirty;
267	bool				is_array_sampler[NUM_TEX_UNITS];
268};
269
270struct r600_fence {
271	struct pipe_reference		reference;
272	unsigned			index; /* in the shared bo */
273	struct r600_resource            *sleep_bo;
274	struct list_head		head;
275};
276
277#define FENCE_BLOCK_SIZE 16
278
279struct r600_fence_block {
280	struct r600_fence		fences[FENCE_BLOCK_SIZE];
281	struct list_head		head;
282};
283
284#define R600_CONSTANT_ARRAY_SIZE 256
285#define R600_RESOURCE_ARRAY_SIZE 160
286
287struct r600_stencil_ref
288{
289	ubyte ref_value[2];
290	ubyte valuemask[2];
291	ubyte writemask[2];
292};
293
294struct r600_constbuf_state
295{
296	struct r600_atom		atom;
297	struct pipe_constant_buffer	cb[PIPE_MAX_CONSTANT_BUFFERS];
298	uint32_t			enabled_mask;
299	uint32_t			dirty_mask;
300};
301
302struct r600_vertexbuf_state
303{
304	struct r600_atom		atom;
305	struct pipe_vertex_buffer	vb[PIPE_MAX_ATTRIBS];
306	uint32_t			enabled_mask; /* non-NULL buffers */
307	uint32_t			dirty_mask;
308};
309
310struct r600_context {
311	struct pipe_context		context;
312	struct blitter_context		*blitter;
313	enum radeon_family		family;
314	enum chip_class			chip_class;
315	boolean				has_vertex_cache;
316	unsigned			r6xx_num_clause_temp_gprs;
317	void				*custom_dsa_flush;
318	struct r600_screen		*screen;
319	struct radeon_winsys		*ws;
320	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
321	struct r600_vertex_element	*vertex_elements;
322	struct pipe_framebuffer_state	framebuffer;
323	unsigned			compute_cb_target_mask;
324	unsigned			db_shader_control;
325	unsigned			pa_sc_line_stipple;
326	unsigned			pa_cl_clip_cntl;
327	/* for saving when using blitter */
328	struct pipe_stencil_ref		stencil_ref;
329	struct pipe_viewport_state	viewport;
330	struct pipe_clip_state		clip;
331	struct r600_pipe_shader_selector 	*ps_shader;
332	struct r600_pipe_shader_selector 	*vs_shader;
333	struct r600_pipe_rasterizer	*rasterizer;
334	struct r600_pipe_state          vgt;
335	struct r600_pipe_state          spi;
336	struct pipe_query		*current_render_cond;
337	unsigned			current_render_cond_mode;
338	struct pipe_query		*saved_render_cond;
339	unsigned			saved_render_cond_mode;
340	/* shader information */
341	boolean				two_side;
342	boolean				spi_dirty;
343	unsigned			sprite_coord_enable;
344	boolean				flatshade;
345	boolean				export_16bpc;
346	unsigned			nr_cbufs;
347
348	struct u_upload_mgr	        *uploader;
349	struct util_slab_mempool	pool_transfers;
350
351	unsigned default_ps_gprs, default_vs_gprs;
352
353	/* States based on r600_atom. */
354	struct list_head		dirty_states;
355	struct r600_command_buffer	start_cs_cmd; /* invariant state mostly */
356	/** Compute specific registers initializations.  The start_cs_cmd atom
357	 *  must be emitted before start_compute_cs_cmd. */
358        struct r600_command_buffer      start_compute_cs_cmd;
359	struct r600_surface_sync_cmd	surface_sync_cmd;
360	struct r600_atom		r6xx_flush_and_inv_cmd;
361	struct r600_alphatest_state	alphatest_state;
362	struct r600_cb_misc_state	cb_misc_state;
363	struct r600_db_misc_state	db_misc_state;
364	/** Vertex buffers for fetch shaders */
365	struct r600_vertexbuf_state	vertex_buffer_state;
366	/** Vertex buffers for compute shaders */
367	struct r600_vertexbuf_state	cs_vertex_buffer_state;
368	struct r600_constbuf_state	vs_constbuf_state;
369	struct r600_constbuf_state	ps_constbuf_state;
370	struct r600_textures_info	vs_samplers;
371	struct r600_textures_info	ps_samplers;
372	struct r600_cs_shader_state	cs_shader_state;
373
374	struct radeon_winsys_cs	*cs;
375
376	struct r600_range	*range;
377	unsigned		nblocks;
378	struct r600_block	**blocks;
379	struct list_head	dirty;
380	struct list_head	enable_list;
381	unsigned		pm4_dirty_cdwords;
382	unsigned		ctx_pm4_ndwords;
383
384	/* The list of active queries. Only one query of each type can be active. */
385	int			num_occlusion_queries;
386
387	/* Manage queries in two separate groups:
388	 * The timer ones and the others (streamout, occlusion).
389	 *
390	 * We do this because we should only suspend non-timer queries for u_blitter,
391	 * and later if the non-timer queries are suspended, the context flush should
392	 * only suspend and resume the timer queries. */
393	struct list_head	active_timer_queries;
394	unsigned		num_cs_dw_timer_queries_suspend;
395	struct list_head	active_nontimer_queries;
396	unsigned		num_cs_dw_nontimer_queries_suspend;
397
398	unsigned		num_cs_dw_streamout_end;
399
400	unsigned		backend_mask;
401	unsigned                max_db; /* for OQ */
402	unsigned		flags;
403	boolean                 predicate_drawing;
404
405	unsigned		num_so_targets;
406	struct r600_so_target	*so_targets[PIPE_MAX_SO_BUFFERS];
407	boolean			streamout_start;
408	unsigned		streamout_append_bitmask;
409
410	/* There is no scissor enable bit on r6xx, so we must use a workaround.
411	 * These track the current scissor state. */
412	bool			scissor_enable;
413	struct pipe_scissor_state scissor_state;
414
415	/* With rasterizer discard, there doesn't have to be a pixel shader.
416	 * In that case, we bind this one: */
417	void			*dummy_pixel_shader;
418
419	boolean			dual_src_blend;
420
421	/* Index buffer. */
422	struct pipe_index_buffer index_buffer;
423};
424
425static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
426{
427	atom->emit(rctx, atom);
428	atom->dirty = false;
429	if (atom->head.next && atom->head.prev)
430		LIST_DELINIT(&atom->head);
431}
432
433static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
434{
435	if (!state->dirty) {
436		if (state->flags & EMIT_EARLY) {
437			LIST_ADD(&state->head, &rctx->dirty_states);
438		} else {
439			LIST_ADDTAIL(&state->head, &rctx->dirty_states);
440		}
441		state->dirty = true;
442	}
443}
444
445/* evergreen_state.c */
446void evergreen_init_state_functions(struct r600_context *rctx);
447void evergreen_init_atom_start_cs(struct r600_context *rctx);
448void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
449void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
450void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
451void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
452void evergreen_polygon_offset_update(struct r600_context *rctx);
453boolean evergreen_is_format_supported(struct pipe_screen *screen,
454				      enum pipe_format format,
455				      enum pipe_texture_target target,
456				      unsigned sample_count,
457				      unsigned usage);
458void evergreen_cb(struct r600_context *rctx, struct r600_pipe_state *rstate,
459                         const struct pipe_framebuffer_state *state, int cb);
460
461
462void evergreen_update_dual_export_state(struct r600_context * rctx);
463
464/* r600_blit.c */
465void r600_copy_buffer(struct pipe_context *ctx, struct
466		      pipe_resource *dst, unsigned dstx,
467		      struct pipe_resource *src, const struct pipe_box *src_box);
468void r600_init_blit_functions(struct r600_context *rctx);
469void r600_blit_uncompress_depth(struct pipe_context *ctx,
470		struct r600_resource_texture *texture,
471		struct r600_resource_texture *staging,
472		unsigned first_level, unsigned last_level,
473		unsigned first_layer, unsigned last_layer);
474void r600_flush_depth_textures(struct r600_context *rctx,
475			       struct r600_samplerview_state *textures);
476/* r600_buffer.c */
477bool r600_init_resource(struct r600_screen *rscreen,
478			struct r600_resource *res,
479			unsigned size, unsigned alignment,
480			unsigned bind, unsigned usage);
481struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
482					 const struct pipe_resource *templ);
483
484/* r600_pipe.c */
485void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
486		unsigned flags);
487
488/* r600_query.c */
489void r600_init_query_functions(struct r600_context *rctx);
490void r600_suspend_nontimer_queries(struct r600_context *ctx);
491void r600_resume_nontimer_queries(struct r600_context *ctx);
492void r600_suspend_timer_queries(struct r600_context *ctx);
493void r600_resume_timer_queries(struct r600_context *ctx);
494
495/* r600_resource.c */
496void r600_init_context_resource_functions(struct r600_context *r600);
497
498/* r600_shader.c */
499int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
500#ifdef HAVE_OPENCL
501int r600_compute_shader_create(struct pipe_context * ctx,
502	LLVMModuleRef mod,  struct r600_bytecode * bytecode);
503#endif
504void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
505
506/* r600_state.c */
507void r600_set_scissor_state(struct r600_context *rctx,
508			    const struct pipe_scissor_state *state);
509void r600_update_sampler_states(struct r600_context *rctx);
510void r600_init_state_functions(struct r600_context *rctx);
511void r600_init_atom_start_cs(struct r600_context *rctx);
512void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
513void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
514void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
515void *r600_create_db_flush_dsa(struct r600_context *rctx);
516void r600_polygon_offset_update(struct r600_context *rctx);
517void r600_adjust_gprs(struct r600_context *rctx);
518boolean r600_is_format_supported(struct pipe_screen *screen,
519				 enum pipe_format format,
520				 enum pipe_texture_target target,
521				 unsigned sample_count,
522				 unsigned usage);
523void r600_update_dual_export_state(struct r600_context * rctx);
524
525/* r600_texture.c */
526void r600_init_screen_texture_functions(struct pipe_screen *screen);
527void r600_init_surface_functions(struct r600_context *r600);
528uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
529				  const unsigned char *swizzle_view,
530				  uint32_t *word4_p, uint32_t *yuv_format_p);
531unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
532					unsigned level, unsigned layer);
533
534/* r600_translate.c */
535void r600_translate_index_buffer(struct r600_context *r600,
536				 struct pipe_index_buffer *ib,
537				 unsigned count);
538
539/* r600_state_common.c */
540void r600_init_atom(struct r600_atom *atom,
541		    void (*emit)(struct r600_context *ctx, struct r600_atom *state),
542		    unsigned num_dw, enum r600_atom_flags flags);
543void r600_init_common_atoms(struct r600_context *rctx);
544unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
545void r600_texture_barrier(struct pipe_context *ctx);
546void r600_set_index_buffer(struct pipe_context *ctx,
547			   const struct pipe_index_buffer *ib);
548void r600_vertex_buffers_dirty(struct r600_context *rctx);
549void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
550			     const struct pipe_vertex_buffer *input);
551void r600_sampler_views_dirty(struct r600_context *rctx,
552			      struct r600_samplerview_state *state);
553void r600_set_sampler_views(struct r600_context *rctx,
554			    struct r600_textures_info *dst,
555			    unsigned count,
556			    struct pipe_sampler_view **views);
557void *r600_create_vertex_elements(struct pipe_context *ctx,
558				  unsigned count,
559				  const struct pipe_vertex_element *elements);
560void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
561void r600_bind_blend_state(struct pipe_context *ctx, void *state);
562void r600_set_blend_color(struct pipe_context *ctx,
563			  const struct pipe_blend_color *state);
564void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
565void r600_set_max_scissor(struct r600_context *rctx);
566void r600_bind_rs_state(struct pipe_context *ctx, void *state);
567void r600_delete_rs_state(struct pipe_context *ctx, void *state);
568void r600_sampler_view_destroy(struct pipe_context *ctx,
569			       struct pipe_sampler_view *state);
570void r600_delete_state(struct pipe_context *ctx, void *state);
571void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
572void *r600_create_shader_state_ps(struct pipe_context *ctx,
573                   const struct pipe_shader_state *state);
574void *r600_create_shader_state_vs(struct pipe_context *ctx,
575                   const struct pipe_shader_state *state);
576void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
577void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
578void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
579void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
580void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
581void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
582			      struct pipe_constant_buffer *cb);
583struct pipe_stream_output_target *
584r600_create_so_target(struct pipe_context *ctx,
585		      struct pipe_resource *buffer,
586		      unsigned buffer_offset,
587		      unsigned buffer_size);
588void r600_so_target_destroy(struct pipe_context *ctx,
589			    struct pipe_stream_output_target *target);
590void r600_set_so_targets(struct pipe_context *ctx,
591			 unsigned num_targets,
592			 struct pipe_stream_output_target **targets,
593			 unsigned append_bitmask);
594void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
595			       const struct pipe_stencil_ref *state);
596void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
597uint32_t r600_translate_stencil_op(int s_op);
598uint32_t r600_translate_fill(uint32_t func);
599unsigned r600_tex_wrap(unsigned wrap);
600unsigned r600_tex_filter(unsigned filter);
601unsigned r600_tex_mipfilter(unsigned filter);
602unsigned r600_tex_compare(unsigned compare);
603
604/*
605 * Helpers for building command buffers
606 */
607
608#define PKT3_SET_CONFIG_REG	0x68
609#define PKT3_SET_CONTEXT_REG	0x69
610#define PKT3_SET_CTL_CONST      0x6F
611#define PKT3_SET_LOOP_CONST                    0x6C
612
613#define R600_CONFIG_REG_OFFSET	0x08000
614#define R600_CONTEXT_REG_OFFSET 0x28000
615#define R600_CTL_CONST_OFFSET   0x3CFF0
616#define R600_LOOP_CONST_OFFSET                 0X0003E200
617#define EG_LOOP_CONST_OFFSET               0x0003A200
618
619#define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
620#define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
621#define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
622#define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
623#define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
624
625#define RADEON_CP_PACKET3_COMPUTE_MODE 0x00000002
626
627/*Evergreen Compute packet3*/
628#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)
629
630static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
631{
632	cb->buf[cb->atom.num_dw++] = value;
633}
634
635static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
636{
637	assert(reg < R600_CONTEXT_REG_OFFSET);
638	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
639	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
640	cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
641}
642
643/**
644 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
645 * shaders.
646 */
647static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
648{
649	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
650	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
651	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
652	cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
653}
654
655/**
656 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
657 * shaders.
658 */
659static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
660{
661	assert(reg >= R600_CTL_CONST_OFFSET);
662	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
663	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
664	cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
665}
666
667static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
668{
669	assert(reg >= R600_LOOP_CONST_OFFSET);
670	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
671	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
672	cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
673}
674
675/**
676 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
677 * shaders.
678 */
679static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
680{
681	assert(reg >= EG_LOOP_CONST_OFFSET);
682	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
683	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
684	cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
685}
686
687static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
688{
689	r600_store_config_reg_seq(cb, reg, 1);
690	r600_store_value(cb, value);
691}
692
693static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
694{
695	r600_store_context_reg_seq(cb, reg, 1);
696	r600_store_value(cb, value);
697}
698
699static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
700{
701	r600_store_ctl_const_seq(cb, reg, 1);
702	r600_store_value(cb, value);
703}
704
705static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
706{
707	r600_store_loop_const_seq(cb, reg, 1);
708	r600_store_value(cb, value);
709}
710
711static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
712{
713	eg_store_loop_const_seq(cb, reg, 1);
714	r600_store_value(cb, value);
715}
716
717void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
718void r600_release_command_buffer(struct r600_command_buffer *cb);
719
720/*
721 * Helpers for emitting state into a command stream directly.
722 */
723
724static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
725					     enum radeon_bo_usage usage)
726{
727	assert(usage);
728	return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
729}
730
731static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
732{
733	cs->buf[cs->cdw++] = value;
734}
735
736static INLINE void r600_write_array(struct radeon_winsys_cs *cs, unsigned num, unsigned *ptr)
737{
738	assert(cs->cdw+num <= RADEON_MAX_CMDBUF_DWORDS);
739	memcpy(&cs->buf[cs->cdw], ptr, num * sizeof(ptr[0]));
740	cs->cdw += num;
741}
742
743static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
744{
745	assert(reg < R600_CONTEXT_REG_OFFSET);
746	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
747	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
748	cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
749}
750
751static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
752{
753	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
754	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
755	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
756	cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
757}
758
759static INLINE void r600_write_compute_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
760{
761	r600_write_context_reg_seq(cs, reg, num);
762	/* Set the compute bit on the packet header */
763	cs->buf[cs->cdw - 2] |= RADEON_CP_PACKET3_COMPUTE_MODE;
764}
765
766static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
767{
768	assert(reg >= R600_CTL_CONST_OFFSET);
769	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
770	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
771	cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
772}
773
774static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
775{
776	r600_write_config_reg_seq(cs, reg, 1);
777	r600_write_value(cs, value);
778}
779
780static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
781{
782	r600_write_context_reg_seq(cs, reg, 1);
783	r600_write_value(cs, value);
784}
785
786static INLINE void r600_write_compute_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
787{
788	r600_write_compute_context_reg_seq(cs, reg, 1);
789	r600_write_value(cs, value);
790}
791
792static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
793{
794	r600_write_ctl_const_seq(cs, reg, 1);
795	r600_write_value(cs, value);
796}
797
798/*
799 * common helpers
800 */
801static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
802{
803	return value * (1 << frac_bits);
804}
805#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
806
807static inline unsigned r600_tex_aniso_filter(unsigned filter)
808{
809	if (filter <= 1)   return 0;
810	if (filter <= 2)   return 1;
811	if (filter <= 4)   return 2;
812	if (filter <= 8)   return 3;
813	 /* else */        return 4;
814}
815
816/* 12.4 fixed-point */
817static INLINE unsigned r600_pack_float_12p4(float x)
818{
819	return x <= 0    ? 0 :
820	       x >= 4096 ? 0xffff : x * 16;
821}
822
823static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
824{
825	struct r600_screen *rscreen = (struct r600_screen*)screen;
826	struct r600_resource *rresource = (struct r600_resource*)resource;
827
828	return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
829}
830
831#endif
832