r600_pipe.h revision c26fadf195876271e559f844c1fc88effa6a60c1
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
95enum r600_pipe_state_id {
96	R600_PIPE_STATE_BLEND = 0,
97	R600_PIPE_STATE_BLEND_COLOR,
98	R600_PIPE_STATE_CONFIG,
99	R600_PIPE_STATE_SEAMLESS_CUBEMAP,
100	R600_PIPE_STATE_CLIP,
101	R600_PIPE_STATE_SCISSOR,
102	R600_PIPE_STATE_VIEWPORT,
103	R600_PIPE_STATE_RASTERIZER,
104	R600_PIPE_STATE_VGT,
105	R600_PIPE_STATE_FRAMEBUFFER,
106	R600_PIPE_STATE_DSA,
107	R600_PIPE_STATE_STENCIL_REF,
108	R600_PIPE_STATE_PS_SHADER,
109	R600_PIPE_STATE_VS_SHADER,
110	R600_PIPE_STATE_CONSTANT,
111	R600_PIPE_STATE_SAMPLER,
112	R600_PIPE_STATE_RESOURCE,
113	R600_PIPE_STATE_POLYGON_OFFSET,
114	R600_PIPE_STATE_FETCH_SHADER,
115	R600_PIPE_STATE_SPI,
116	R600_PIPE_NSTATES
117};
118
119struct compute_memory_pool;
120void compute_memory_pool_delete(struct compute_memory_pool* pool);
121struct compute_memory_pool* compute_memory_pool_new(
122	struct r600_screen *rscreen);
123
124struct r600_pipe_fences {
125	struct r600_resource		*bo;
126	unsigned			*data;
127	unsigned			next_index;
128	/* linked list of preallocated blocks */
129	struct list_head		blocks;
130	/* linked list of freed fences */
131	struct list_head		pool;
132	pipe_mutex			mutex;
133};
134
135struct r600_screen {
136	struct pipe_screen		screen;
137	struct radeon_winsys		*ws;
138	unsigned			family;
139	enum chip_class			chip_class;
140	struct radeon_info		info;
141	bool				has_streamout;
142	struct r600_tiling_info		tiling_info;
143	struct r600_pipe_fences		fences;
144
145	bool				use_surface_alloc;
146
147	/*for compute global memory binding, we allocate stuff here, instead of
148	 * buffers.
149	 * XXX: Not sure if this is the best place for global_pool.  Also,
150	 * it's not thread safe, so it won't work with multiple contexts. */
151	struct compute_memory_pool *global_pool;
152};
153
154struct r600_pipe_sampler_view {
155	struct pipe_sampler_view	base;
156	struct r600_resource		*tex_resource;
157	uint32_t			tex_resource_words[8];
158};
159
160struct r600_pipe_rasterizer {
161	struct r600_pipe_state		rstate;
162	boolean				flatshade;
163	boolean				two_side;
164	unsigned			sprite_coord_enable;
165	unsigned                        clip_plane_enable;
166	unsigned			pa_sc_line_stipple;
167	unsigned			pa_cl_clip_cntl;
168	float				offset_units;
169	float				offset_scale;
170	bool				scissor_enable;
171};
172
173struct r600_pipe_blend {
174	struct r600_pipe_state		rstate;
175	unsigned			cb_target_mask;
176	unsigned			cb_color_control;
177	bool				dual_src_blend;
178};
179
180struct r600_pipe_dsa {
181	struct r600_pipe_state		rstate;
182	unsigned			alpha_ref;
183	ubyte				valuemask[2];
184	ubyte				writemask[2];
185	unsigned                        sx_alpha_test_control;
186};
187
188struct r600_vertex_element
189{
190	unsigned			count;
191	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
192	struct r600_resource		*fetch_shader;
193	unsigned			fs_size;
194	struct r600_pipe_state		rstate;
195};
196
197struct r600_pipe_shader;
198
199struct r600_pipe_shader_selector {
200	struct r600_pipe_shader *current;
201
202	struct tgsi_token       *tokens;
203	struct pipe_stream_output_info  so;
204
205	unsigned	num_shaders;
206
207	/* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
208	unsigned	type;
209
210	unsigned	nr_ps_max_color_exports;
211};
212
213struct r600_pipe_shader {
214	struct r600_pipe_shader_selector *selector;
215	struct r600_pipe_shader	*next_variant;
216	struct r600_shader		shader;
217	struct r600_pipe_state		rstate;
218	struct r600_resource		*bo;
219	struct r600_resource		*bo_fetch;
220	struct r600_vertex_element	vertex_elements;
221	unsigned	sprite_coord_enable;
222	unsigned	flatshade;
223	unsigned	pa_cl_vs_out_cntl;
224	unsigned	nr_ps_color_outputs;
225	unsigned	key;
226	unsigned		db_shader_control;
227	unsigned		ps_depth_export;
228};
229
230struct r600_pipe_sampler_state {
231	struct r600_pipe_state		rstate;
232	boolean seamless_cube_map;
233};
234
235/* needed for blitter save */
236#define NUM_TEX_UNITS 16
237
238struct r600_samplerview_state
239{
240	struct r600_atom		atom;
241	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
242	uint32_t			enabled_mask;
243	uint32_t			dirty_mask;
244	uint32_t			depth_texture_mask; /* which textures are depth */
245};
246
247struct r600_textures_info {
248	struct r600_samplerview_state	views;
249
250	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
251	unsigned			n_samplers;
252	bool				samplers_dirty;
253	bool				is_array_sampler[NUM_TEX_UNITS];
254};
255
256struct r600_fence {
257	struct pipe_reference		reference;
258	unsigned			index; /* in the shared bo */
259	struct r600_resource            *sleep_bo;
260	struct list_head		head;
261};
262
263#define FENCE_BLOCK_SIZE 16
264
265struct r600_fence_block {
266	struct r600_fence		fences[FENCE_BLOCK_SIZE];
267	struct list_head		head;
268};
269
270#define R600_CONSTANT_ARRAY_SIZE 256
271#define R600_RESOURCE_ARRAY_SIZE 160
272
273struct r600_stencil_ref
274{
275	ubyte ref_value[2];
276	ubyte valuemask[2];
277	ubyte writemask[2];
278};
279
280struct r600_constbuf_state
281{
282	struct r600_atom		atom;
283	struct pipe_constant_buffer	cb[PIPE_MAX_CONSTANT_BUFFERS];
284	uint32_t			enabled_mask;
285	uint32_t			dirty_mask;
286};
287
288struct r600_vertexbuf_state
289{
290	struct r600_atom		atom;
291	struct pipe_vertex_buffer	vb[PIPE_MAX_ATTRIBS];
292	uint32_t			enabled_mask; /* non-NULL buffers */
293	uint32_t			dirty_mask;
294};
295
296struct r600_context {
297	struct pipe_context		context;
298	struct blitter_context		*blitter;
299	enum radeon_family		family;
300	enum chip_class			chip_class;
301	boolean				has_vertex_cache;
302	unsigned			r6xx_num_clause_temp_gprs;
303	void				*custom_dsa_flush;
304	struct r600_screen		*screen;
305	struct radeon_winsys		*ws;
306	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
307	struct r600_vertex_element	*vertex_elements;
308	struct pipe_framebuffer_state	framebuffer;
309	unsigned			compute_cb_target_mask;
310	unsigned			sx_alpha_test_control;
311	unsigned			db_shader_control;
312	unsigned			pa_sc_line_stipple;
313	unsigned			pa_cl_clip_cntl;
314	/* for saving when using blitter */
315	struct pipe_stencil_ref		stencil_ref;
316	struct pipe_viewport_state	viewport;
317	struct pipe_clip_state		clip;
318	struct r600_pipe_shader_selector 	*ps_shader;
319	struct r600_pipe_shader_selector 	*vs_shader;
320	struct r600_pipe_compute	*cs_shader;
321	struct r600_pipe_rasterizer	*rasterizer;
322	struct r600_pipe_state          vgt;
323	struct r600_pipe_state          spi;
324	struct pipe_query		*current_render_cond;
325	unsigned			current_render_cond_mode;
326	struct pipe_query		*saved_render_cond;
327	unsigned			saved_render_cond_mode;
328	/* shader information */
329	boolean				two_side;
330	boolean				spi_dirty;
331	unsigned			sprite_coord_enable;
332	boolean				flatshade;
333	boolean				export_16bpc;
334	unsigned			alpha_ref;
335	boolean				alpha_ref_dirty;
336	unsigned			nr_cbufs;
337
338	struct u_upload_mgr	        *uploader;
339	struct util_slab_mempool	pool_transfers;
340
341	unsigned default_ps_gprs, default_vs_gprs;
342
343	/* States based on r600_atom. */
344	struct list_head		dirty_states;
345	struct r600_command_buffer	start_cs_cmd; /* invariant state mostly */
346	/** Compute specific registers initializations.  The start_cs_cmd atom
347	 *  must be emitted before start_compute_cs_cmd. */
348        struct r600_command_buffer      start_compute_cs_cmd;
349	struct r600_surface_sync_cmd	surface_sync_cmd;
350	struct r600_atom		r6xx_flush_and_inv_cmd;
351	struct r600_cb_misc_state	cb_misc_state;
352	struct r600_db_misc_state	db_misc_state;
353	/** Vertex buffers for fetch shaders */
354	struct r600_vertexbuf_state	vertex_buffer_state;
355	/** Vertex buffers for compute shaders */
356	struct r600_vertexbuf_state	cs_vertex_buffer_state;
357	struct r600_constbuf_state	vs_constbuf_state;
358	struct r600_constbuf_state	ps_constbuf_state;
359	struct r600_textures_info	vs_samplers;
360	struct r600_textures_info	ps_samplers;
361
362	struct radeon_winsys_cs	*cs;
363
364	struct r600_range	*range;
365	unsigned		nblocks;
366	struct r600_block	**blocks;
367	struct list_head	dirty;
368	struct list_head	enable_list;
369	unsigned		pm4_dirty_cdwords;
370	unsigned		ctx_pm4_ndwords;
371
372	/* The list of active queries. Only one query of each type can be active. */
373	int			num_occlusion_queries;
374
375	/* Manage queries in two separate groups:
376	 * The timer ones and the others (streamout, occlusion).
377	 *
378	 * We do this because we should only suspend non-timer queries for u_blitter,
379	 * and later if the non-timer queries are suspended, the context flush should
380	 * only suspend and resume the timer queries. */
381	struct list_head	active_timer_queries;
382	unsigned		num_cs_dw_timer_queries_suspend;
383	struct list_head	active_nontimer_queries;
384	unsigned		num_cs_dw_nontimer_queries_suspend;
385
386	unsigned		num_cs_dw_streamout_end;
387
388	unsigned		backend_mask;
389	unsigned                max_db; /* for OQ */
390	unsigned		flags;
391	boolean                 predicate_drawing;
392
393	unsigned		num_so_targets;
394	struct r600_so_target	*so_targets[PIPE_MAX_SO_BUFFERS];
395	boolean			streamout_start;
396	unsigned		streamout_append_bitmask;
397
398	/* There is no scissor enable bit on r6xx, so we must use a workaround.
399	 * These track the current scissor state. */
400	bool			scissor_enable;
401	struct pipe_scissor_state scissor_state;
402
403	/* With rasterizer discard, there doesn't have to be a pixel shader.
404	 * In that case, we bind this one: */
405	void			*dummy_pixel_shader;
406
407	boolean			dual_src_blend;
408
409	/* Index buffer. */
410	struct pipe_index_buffer index_buffer;
411};
412
413static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
414{
415	atom->emit(rctx, atom);
416	atom->dirty = false;
417	if (atom->head.next && atom->head.prev)
418		LIST_DELINIT(&atom->head);
419}
420
421static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
422{
423	if (!state->dirty) {
424		if (state->flags & EMIT_EARLY) {
425			LIST_ADD(&state->head, &rctx->dirty_states);
426		} else {
427			LIST_ADDTAIL(&state->head, &rctx->dirty_states);
428		}
429		state->dirty = true;
430	}
431}
432
433/* evergreen_state.c */
434void evergreen_init_state_functions(struct r600_context *rctx);
435void evergreen_init_atom_start_cs(struct r600_context *rctx);
436void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
437void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
438void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
439void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
440void evergreen_polygon_offset_update(struct r600_context *rctx);
441boolean evergreen_is_format_supported(struct pipe_screen *screen,
442				      enum pipe_format format,
443				      enum pipe_texture_target target,
444				      unsigned sample_count,
445				      unsigned usage);
446void evergreen_cb(struct r600_context *rctx, struct r600_pipe_state *rstate,
447                         const struct pipe_framebuffer_state *state, int cb);
448
449
450void evergreen_update_dual_export_state(struct r600_context * rctx);
451
452/* r600_blit.c */
453void r600_init_blit_functions(struct r600_context *rctx);
454void r600_blit_uncompress_depth(struct pipe_context *ctx,
455		struct r600_resource_texture *texture,
456		struct r600_resource_texture *staging,
457		unsigned first_level, unsigned last_level,
458		unsigned first_layer, unsigned last_layer);
459void r600_flush_depth_textures(struct r600_context *rctx,
460			       struct r600_samplerview_state *textures);
461/* r600_buffer.c */
462bool r600_init_resource(struct r600_screen *rscreen,
463			struct r600_resource *res,
464			unsigned size, unsigned alignment,
465			unsigned bind, unsigned usage);
466struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
467					 const struct pipe_resource *templ);
468
469/* r600_pipe.c */
470void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
471		unsigned flags);
472
473/* r600_query.c */
474void r600_init_query_functions(struct r600_context *rctx);
475void r600_suspend_nontimer_queries(struct r600_context *ctx);
476void r600_resume_nontimer_queries(struct r600_context *ctx);
477void r600_suspend_timer_queries(struct r600_context *ctx);
478void r600_resume_timer_queries(struct r600_context *ctx);
479
480/* r600_resource.c */
481void r600_init_context_resource_functions(struct r600_context *r600);
482
483/* r600_shader.c */
484int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
485#ifdef HAVE_OPENCL
486int r600_compute_shader_create(struct pipe_context * ctx,
487	LLVMModuleRef mod,  struct r600_bytecode * bytecode);
488#endif
489void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
490
491/* r600_state.c */
492void r600_set_scissor_state(struct r600_context *rctx,
493			    const struct pipe_scissor_state *state);
494void r600_update_sampler_states(struct r600_context *rctx);
495void r600_init_state_functions(struct r600_context *rctx);
496void r600_init_atom_start_cs(struct r600_context *rctx);
497void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
498void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
499void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
500void *r600_create_db_flush_dsa(struct r600_context *rctx);
501void r600_polygon_offset_update(struct r600_context *rctx);
502void r600_adjust_gprs(struct r600_context *rctx);
503boolean r600_is_format_supported(struct pipe_screen *screen,
504				 enum pipe_format format,
505				 enum pipe_texture_target target,
506				 unsigned sample_count,
507				 unsigned usage);
508void r600_update_dual_export_state(struct r600_context * rctx);
509
510/* r600_texture.c */
511void r600_init_screen_texture_functions(struct pipe_screen *screen);
512void r600_init_surface_functions(struct r600_context *r600);
513uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
514				  const unsigned char *swizzle_view,
515				  uint32_t *word4_p, uint32_t *yuv_format_p);
516unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
517					unsigned level, unsigned layer);
518
519/* r600_translate.c */
520void r600_translate_index_buffer(struct r600_context *r600,
521				 struct pipe_index_buffer *ib,
522				 unsigned count);
523
524/* r600_state_common.c */
525void r600_init_atom(struct r600_atom *atom,
526		    void (*emit)(struct r600_context *ctx, struct r600_atom *state),
527		    unsigned num_dw, enum r600_atom_flags flags);
528void r600_init_common_atoms(struct r600_context *rctx);
529unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
530void r600_texture_barrier(struct pipe_context *ctx);
531void r600_set_index_buffer(struct pipe_context *ctx,
532			   const struct pipe_index_buffer *ib);
533void r600_vertex_buffers_dirty(struct r600_context *rctx);
534void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
535			     const struct pipe_vertex_buffer *input);
536void r600_sampler_views_dirty(struct r600_context *rctx,
537			      struct r600_samplerview_state *state);
538void r600_set_sampler_views(struct r600_context *rctx,
539			    struct r600_textures_info *dst,
540			    unsigned count,
541			    struct pipe_sampler_view **views);
542void *r600_create_vertex_elements(struct pipe_context *ctx,
543				  unsigned count,
544				  const struct pipe_vertex_element *elements);
545void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
546void r600_bind_blend_state(struct pipe_context *ctx, void *state);
547void r600_set_blend_color(struct pipe_context *ctx,
548			  const struct pipe_blend_color *state);
549void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
550void r600_set_max_scissor(struct r600_context *rctx);
551void r600_bind_rs_state(struct pipe_context *ctx, void *state);
552void r600_delete_rs_state(struct pipe_context *ctx, void *state);
553void r600_sampler_view_destroy(struct pipe_context *ctx,
554			       struct pipe_sampler_view *state);
555void r600_delete_state(struct pipe_context *ctx, void *state);
556void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
557void *r600_create_shader_state_ps(struct pipe_context *ctx,
558                   const struct pipe_shader_state *state);
559void *r600_create_shader_state_vs(struct pipe_context *ctx,
560                   const struct pipe_shader_state *state);
561void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
562void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
563void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
564void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
565void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
566void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
567			      struct pipe_constant_buffer *cb);
568struct pipe_stream_output_target *
569r600_create_so_target(struct pipe_context *ctx,
570		      struct pipe_resource *buffer,
571		      unsigned buffer_offset,
572		      unsigned buffer_size);
573void r600_so_target_destroy(struct pipe_context *ctx,
574			    struct pipe_stream_output_target *target);
575void r600_set_so_targets(struct pipe_context *ctx,
576			 unsigned num_targets,
577			 struct pipe_stream_output_target **targets,
578			 unsigned append_bitmask);
579void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
580			       const struct pipe_stencil_ref *state);
581void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
582uint32_t r600_translate_stencil_op(int s_op);
583uint32_t r600_translate_fill(uint32_t func);
584unsigned r600_tex_wrap(unsigned wrap);
585unsigned r600_tex_filter(unsigned filter);
586unsigned r600_tex_mipfilter(unsigned filter);
587unsigned r600_tex_compare(unsigned compare);
588
589/*
590 * Helpers for building command buffers
591 */
592
593#define PKT3_SET_CONFIG_REG	0x68
594#define PKT3_SET_CONTEXT_REG	0x69
595#define PKT3_SET_CTL_CONST      0x6F
596#define PKT3_SET_LOOP_CONST                    0x6C
597
598#define R600_CONFIG_REG_OFFSET	0x08000
599#define R600_CONTEXT_REG_OFFSET 0x28000
600#define R600_CTL_CONST_OFFSET   0x3CFF0
601#define R600_LOOP_CONST_OFFSET                 0X0003E200
602#define EG_LOOP_CONST_OFFSET               0x0003A200
603
604#define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
605#define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
606#define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
607#define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
608#define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
609
610static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
611{
612	cb->buf[cb->atom.num_dw++] = value;
613}
614
615static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
616{
617	assert(reg < R600_CONTEXT_REG_OFFSET);
618	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
619	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
620	cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
621}
622
623/**
624 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
625 * shaders.
626 */
627static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
628{
629	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
630	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
631	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
632	cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
633}
634
635/**
636 * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
637 * shaders.
638 */
639static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
640{
641	assert(reg >= R600_CTL_CONST_OFFSET);
642	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
643	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
644	cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
645}
646
647static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
648{
649	assert(reg >= R600_LOOP_CONST_OFFSET);
650	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
651	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
652	cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_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 eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
660{
661	assert(reg >= EG_LOOP_CONST_OFFSET);
662	assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
663	cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
664	cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
665}
666
667static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
668{
669	r600_store_config_reg_seq(cb, reg, 1);
670	r600_store_value(cb, value);
671}
672
673static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
674{
675	r600_store_context_reg_seq(cb, reg, 1);
676	r600_store_value(cb, value);
677}
678
679static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
680{
681	r600_store_ctl_const_seq(cb, reg, 1);
682	r600_store_value(cb, value);
683}
684
685static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
686{
687	r600_store_loop_const_seq(cb, reg, 1);
688	r600_store_value(cb, value);
689}
690
691static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
692{
693	eg_store_loop_const_seq(cb, reg, 1);
694	r600_store_value(cb, value);
695}
696
697void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
698void r600_release_command_buffer(struct r600_command_buffer *cb);
699
700/*
701 * Helpers for emitting state into a command stream directly.
702 */
703
704static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
705					     enum radeon_bo_usage usage)
706{
707	assert(usage);
708	return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
709}
710
711static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
712{
713	cs->buf[cs->cdw++] = value;
714}
715
716static INLINE void r600_write_array(struct radeon_winsys_cs *cs, unsigned num, unsigned *ptr)
717{
718	assert(cs->cdw+num <= RADEON_MAX_CMDBUF_DWORDS);
719	memcpy(&cs->buf[cs->cdw], ptr, num * sizeof(ptr[0]));
720	cs->cdw += num;
721}
722
723static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
724{
725	assert(reg < R600_CONTEXT_REG_OFFSET);
726	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
727	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
728	cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
729}
730
731static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
732{
733	assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
734	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
735	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
736	cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
737}
738
739static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
740{
741	assert(reg >= R600_CTL_CONST_OFFSET);
742	assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
743	cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
744	cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
745}
746
747static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
748{
749	r600_write_config_reg_seq(cs, reg, 1);
750	r600_write_value(cs, value);
751}
752
753static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
754{
755	r600_write_context_reg_seq(cs, reg, 1);
756	r600_write_value(cs, value);
757}
758
759static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
760{
761	r600_write_ctl_const_seq(cs, reg, 1);
762	r600_write_value(cs, value);
763}
764
765/*
766 * common helpers
767 */
768static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
769{
770	return value * (1 << frac_bits);
771}
772#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
773
774static inline unsigned r600_tex_aniso_filter(unsigned filter)
775{
776	if (filter <= 1)   return 0;
777	if (filter <= 2)   return 1;
778	if (filter <= 4)   return 2;
779	if (filter <= 8)   return 3;
780	 /* else */        return 4;
781}
782
783/* 12.4 fixed-point */
784static INLINE unsigned r600_pack_float_12p4(float x)
785{
786	return x <= 0    ? 0 :
787	       x >= 4096 ? 0xffff : x * 16;
788}
789
790static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
791{
792	struct r600_screen *rscreen = (struct r600_screen*)screen;
793	struct r600_resource *rresource = (struct r600_resource*)resource;
794
795	return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
796}
797
798#endif
799