gallium: make user vertex buffers optional
[profile/ivi/mesa.git] / src / gallium / drivers / r600 / r600_pipe.h
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_shader.h"
32 #include "r600_resource.h"
33
34 #define R600_MAX_CONST_BUFFERS 2
35 #define R600_MAX_CONST_BUFFER_SIZE 4096
36
37 #ifdef PIPE_ARCH_BIG_ENDIAN
38 #define R600_BIG_ENDIAN 1
39 #else
40 #define R600_BIG_ENDIAN 0
41 #endif
42
43 enum r600_atom_flags {
44         /* When set, atoms are added at the beginning of the dirty list
45          * instead of the end. */
46         EMIT_EARLY = (1 << 0)
47 };
48
49 /* This encapsulates a state or an operation which can emitted into the GPU
50  * command stream. It's not limited to states only, it can be used for anything
51  * that wants to write commands into the CS (e.g. cache flushes). */
52 struct r600_atom {
53         void (*emit)(struct r600_context *ctx, struct r600_atom *state);
54
55         unsigned                num_dw;
56         enum r600_atom_flags    flags;
57         bool                    dirty;
58
59         struct list_head        head;
60 };
61
62 /* This is an atom containing GPU commands that never change.
63  * This is supposed to be copied directly into the CS. */
64 struct r600_command_buffer {
65         struct r600_atom atom;
66         uint32_t *buf;
67         unsigned max_num_dw;
68 };
69
70 struct r600_surface_sync_cmd {
71         struct r600_atom atom;
72         unsigned flush_flags; /* CP_COHER_CNTL */
73 };
74
75 struct r600_db_misc_state {
76         struct r600_atom atom;
77         bool occlusion_query_enabled;
78         bool flush_depthstencil_enabled;
79 };
80
81 enum r600_pipe_state_id {
82         R600_PIPE_STATE_BLEND = 0,
83         R600_PIPE_STATE_BLEND_COLOR,
84         R600_PIPE_STATE_CONFIG,
85         R600_PIPE_STATE_SEAMLESS_CUBEMAP,
86         R600_PIPE_STATE_CLIP,
87         R600_PIPE_STATE_SCISSOR,
88         R600_PIPE_STATE_VIEWPORT,
89         R600_PIPE_STATE_RASTERIZER,
90         R600_PIPE_STATE_VGT,
91         R600_PIPE_STATE_FRAMEBUFFER,
92         R600_PIPE_STATE_DSA,
93         R600_PIPE_STATE_STENCIL_REF,
94         R600_PIPE_STATE_PS_SHADER,
95         R600_PIPE_STATE_VS_SHADER,
96         R600_PIPE_STATE_CONSTANT,
97         R600_PIPE_STATE_SAMPLER,
98         R600_PIPE_STATE_RESOURCE,
99         R600_PIPE_STATE_POLYGON_OFFSET,
100         R600_PIPE_STATE_FETCH_SHADER,
101         R600_PIPE_NSTATES
102 };
103
104 struct r600_pipe_fences {
105         struct r600_resource            *bo;
106         unsigned                        *data;
107         unsigned                        next_index;
108         /* linked list of preallocated blocks */
109         struct list_head                blocks;
110         /* linked list of freed fences */
111         struct list_head                pool;
112         pipe_mutex                      mutex;
113 };
114
115 struct r600_screen {
116         struct pipe_screen              screen;
117         struct radeon_winsys            *ws;
118         unsigned                        family;
119         enum chip_class                 chip_class;
120         struct radeon_info              info;
121         struct r600_tiling_info         tiling_info;
122         struct util_slab_mempool        pool_buffers;
123         struct r600_pipe_fences         fences;
124
125         unsigned                        num_contexts;
126         bool                            use_surface_alloc;
127         int                             glsl_feature_level;
128
129         /* for thread-safe write accessing to num_contexts */
130         pipe_mutex                      mutex_num_contexts;
131 };
132
133 struct r600_pipe_sampler_view {
134         struct pipe_sampler_view        base;
135         struct r600_pipe_resource_state         state;
136 };
137
138 struct r600_pipe_rasterizer {
139         struct r600_pipe_state          rstate;
140         boolean                         flatshade;
141         boolean                         two_side;
142         unsigned                        sprite_coord_enable;
143         unsigned                        clip_plane_enable;
144         unsigned                        pa_sc_line_stipple;
145         unsigned                        pa_cl_clip_cntl;
146         float                           offset_units;
147         float                           offset_scale;
148         bool                            scissor_enable;
149 };
150
151 struct r600_pipe_blend {
152         struct r600_pipe_state          rstate;
153         unsigned                        cb_target_mask;
154         unsigned                        cb_color_control;
155         bool                            dual_src_blend;
156 };
157
158 struct r600_pipe_dsa {
159         struct r600_pipe_state          rstate;
160         unsigned                        alpha_ref;
161         ubyte                           valuemask[2];
162         ubyte                           writemask[2];
163         bool                            is_flush;
164 };
165
166 struct r600_vertex_element
167 {
168         unsigned                        count;
169         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
170         struct r600_resource            *fetch_shader;
171         unsigned                        fs_size;
172         struct r600_pipe_state          rstate;
173 };
174
175 struct r600_pipe_shader {
176         struct r600_shader              shader;
177         struct r600_pipe_state          rstate;
178         struct r600_resource            *bo;
179         struct r600_resource            *bo_fetch;
180         struct r600_vertex_element      vertex_elements;
181         struct tgsi_token               *tokens;
182         unsigned        sprite_coord_enable;
183         unsigned        flatshade;
184         unsigned        pa_cl_vs_out_cntl;
185         unsigned        ps_cb_shader_mask;
186         struct pipe_stream_output_info  so;
187 };
188
189 struct r600_pipe_sampler_state {
190         struct r600_pipe_state          rstate;
191         boolean seamless_cube_map;
192 };
193
194 /* needed for blitter save */
195 #define NUM_TEX_UNITS 16
196
197 struct r600_textures_info {
198         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
199         struct r600_pipe_sampler_state  *samplers[NUM_TEX_UNITS];
200         unsigned                        n_views;
201         unsigned                        n_samplers;
202         bool                            samplers_dirty;
203         bool                            is_array_sampler[NUM_TEX_UNITS];
204 };
205
206 struct r600_fence {
207         struct pipe_reference           reference;
208         unsigned                        index; /* in the shared bo */
209         struct r600_resource            *sleep_bo;
210         struct list_head                head;
211 };
212
213 #define FENCE_BLOCK_SIZE 16
214
215 struct r600_fence_block {
216         struct r600_fence               fences[FENCE_BLOCK_SIZE];
217         struct list_head                head;
218 };
219
220 #define R600_CONSTANT_ARRAY_SIZE 256
221 #define R600_RESOURCE_ARRAY_SIZE 160
222
223 struct r600_stencil_ref
224 {
225         ubyte ref_value[2];
226         ubyte valuemask[2];
227         ubyte writemask[2];
228 };
229
230 struct r600_constant_buffer
231 {
232         struct pipe_resource            *buffer;
233         unsigned                        buffer_offset;
234         unsigned                        buffer_size;
235 };
236
237 struct r600_constbuf_state
238 {
239         struct r600_atom                atom;
240         struct r600_constant_buffer     cb[PIPE_MAX_CONSTANT_BUFFERS];
241         uint32_t                        enabled_mask;
242         uint32_t                        dirty_mask;
243 };
244
245 struct r600_context {
246         struct pipe_context             context;
247         struct blitter_context          *blitter;
248         enum radeon_family              family;
249         enum chip_class                 chip_class;
250         boolean                         has_vertex_cache;
251         unsigned                        r6xx_num_clause_temp_gprs;
252         void                            *custom_dsa_flush;
253         struct r600_screen              *screen;
254         struct radeon_winsys            *ws;
255         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
256         struct r600_vertex_element      *vertex_elements;
257         struct pipe_framebuffer_state   framebuffer;
258         unsigned                        cb_target_mask;
259         unsigned                        fb_cb_shader_mask;
260         unsigned                        cb_shader_mask;
261         unsigned                        cb_color_control;
262         unsigned                        pa_sc_line_stipple;
263         unsigned                        pa_cl_clip_cntl;
264         /* for saving when using blitter */
265         struct pipe_stencil_ref         stencil_ref;
266         struct pipe_viewport_state      viewport;
267         struct pipe_clip_state          clip;
268         struct r600_pipe_shader         *ps_shader;
269         struct r600_pipe_shader         *vs_shader;
270         struct r600_pipe_rasterizer     *rasterizer;
271         struct r600_pipe_state          vgt;
272         struct r600_pipe_state          spi;
273         struct pipe_query               *current_render_cond;
274         unsigned                        current_render_cond_mode;
275         struct pipe_query               *saved_render_cond;
276         unsigned                        saved_render_cond_mode;
277         /* shader information */
278         boolean                         two_side;
279         unsigned                        sprite_coord_enable;
280         boolean                         export_16bpc;
281         unsigned                        alpha_ref;
282         boolean                         alpha_ref_dirty;
283         unsigned                        nr_cbufs;
284         struct r600_textures_info       vs_samplers;
285         struct r600_textures_info       ps_samplers;
286
287         struct u_upload_mgr             *uploader;
288         struct util_slab_mempool        pool_transfers;
289         boolean                         have_depth_texture, have_depth_fb;
290
291         unsigned default_ps_gprs, default_vs_gprs;
292
293         /* States based on r600_atom. */
294         struct list_head                dirty_states;
295         struct r600_command_buffer      start_cs_cmd; /* invariant state mostly */
296         struct r600_surface_sync_cmd    surface_sync_cmd;
297         struct r600_atom                r6xx_flush_and_inv_cmd;
298         struct r600_db_misc_state       db_misc_state;
299         struct r600_atom                vertex_buffer_state;
300         struct r600_constbuf_state      vs_constbuf_state;
301         struct r600_constbuf_state      ps_constbuf_state;
302
303         struct radeon_winsys_cs *cs;
304
305         struct r600_range       *range;
306         unsigned                nblocks;
307         struct r600_block       **blocks;
308         struct list_head        dirty;
309         struct list_head        resource_dirty;
310         struct list_head        enable_list;
311         unsigned                pm4_dirty_cdwords;
312         unsigned                ctx_pm4_ndwords;
313
314         /* The list of active queries. Only one query of each type can be active. */
315         int                     num_occlusion_queries;
316
317         /* Manage queries in two separate groups:
318          * The timer ones and the others (streamout, occlusion).
319          *
320          * We do this because we should only suspend non-timer queries for u_blitter,
321          * and later if the non-timer queries are suspended, the context flush should
322          * only suspend and resume the timer queries. */
323         struct list_head        active_timer_queries;
324         unsigned                num_cs_dw_timer_queries_suspend;
325         struct list_head        active_nontimer_queries;
326         unsigned                num_cs_dw_nontimer_queries_suspend;
327
328         unsigned                num_cs_dw_streamout_end;
329
330         unsigned                backend_mask;
331         unsigned                max_db; /* for OQ */
332         unsigned                flags;
333         boolean                 predicate_drawing;
334         struct r600_range       ps_resources;
335         struct r600_range       vs_resources;
336         int                     num_ps_resources, num_vs_resources;
337
338         unsigned                num_so_targets;
339         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
340         boolean                 streamout_start;
341         unsigned                streamout_append_bitmask;
342
343         /* There is no scissor enable bit on r6xx, so we must use a workaround.
344          * These track the current scissor state. */
345         bool                    scissor_enable;
346         struct pipe_scissor_state scissor_state;
347
348         /* With rasterizer discard, there doesn't have to be a pixel shader.
349          * In that case, we bind this one: */
350         void                    *dummy_pixel_shader;
351
352         bool                    vertex_buffers_dirty;
353         boolean                 dual_src_blend;
354         unsigned color0_format;
355
356         struct pipe_index_buffer index_buffer;
357         struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
358         unsigned                nr_vertex_buffers;
359 };
360
361 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
362 {
363         atom->emit(rctx, atom);
364         atom->dirty = false;
365         if (atom->head.next && atom->head.prev)
366                 LIST_DELINIT(&atom->head);
367 }
368
369 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
370 {
371         if (!state->dirty) {
372                 if (state->flags & EMIT_EARLY) {
373                         LIST_ADD(&state->head, &rctx->dirty_states);
374                 } else {
375                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
376                 }
377                 state->dirty = true;
378         }
379 }
380
381 /* evergreen_state.c */
382 void evergreen_init_state_functions(struct r600_context *rctx);
383 void evergreen_init_atom_start_cs(struct r600_context *rctx);
384 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
385 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
386 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
387 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
388 void evergreen_polygon_offset_update(struct r600_context *rctx);
389 boolean evergreen_is_format_supported(struct pipe_screen *screen,
390                                       enum pipe_format format,
391                                       enum pipe_texture_target target,
392                                       unsigned sample_count,
393                                       unsigned usage);
394
395 /* r600_blit.c */
396 void r600_init_blit_functions(struct r600_context *rctx);
397 void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
398 void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
399 void r600_flush_depth_textures(struct r600_context *rctx);
400
401 /* r600_buffer.c */
402 bool r600_init_resource(struct r600_screen *rscreen,
403                         struct r600_resource *res,
404                         unsigned size, unsigned alignment,
405                         unsigned bind, unsigned usage);
406 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
407                                          const struct pipe_resource *templ);
408 struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
409                                               void *ptr, unsigned bytes,
410                                               unsigned bind);
411
412 /* r600_pipe.c */
413 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
414                 unsigned flags);
415
416 /* r600_query.c */
417 void r600_init_query_functions(struct r600_context *rctx);
418 void r600_suspend_nontimer_queries(struct r600_context *ctx);
419 void r600_resume_nontimer_queries(struct r600_context *ctx);
420 void r600_suspend_timer_queries(struct r600_context *ctx);
421 void r600_resume_timer_queries(struct r600_context *ctx);
422
423 /* r600_resource.c */
424 void r600_init_context_resource_functions(struct r600_context *r600);
425
426 /* r600_shader.c */
427 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
428 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
429 int r600_find_vs_semantic_index(struct r600_shader *vs,
430                                 struct r600_shader *ps, int id);
431
432 /* r600_state.c */
433 void r600_set_scissor_state(struct r600_context *rctx,
434                             const struct pipe_scissor_state *state);
435 void r600_update_sampler_states(struct r600_context *rctx);
436 void r600_init_state_functions(struct r600_context *rctx);
437 void r600_init_atom_start_cs(struct r600_context *rctx);
438 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
439 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
440 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
441 void *r600_create_db_flush_dsa(struct r600_context *rctx);
442 void r600_polygon_offset_update(struct r600_context *rctx);
443 void r600_adjust_gprs(struct r600_context *rctx);
444 boolean r600_is_format_supported(struct pipe_screen *screen,
445                                  enum pipe_format format,
446                                  enum pipe_texture_target target,
447                                  unsigned sample_count,
448                                  unsigned usage);
449
450 /* r600_texture.c */
451 void r600_init_screen_texture_functions(struct pipe_screen *screen);
452 void r600_init_surface_functions(struct r600_context *r600);
453 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
454                                   const unsigned char *swizzle_view,
455                                   uint32_t *word4_p, uint32_t *yuv_format_p);
456 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
457                                         unsigned level, unsigned layer);
458
459 /* r600_translate.c */
460 void r600_translate_index_buffer(struct r600_context *r600,
461                                  struct pipe_index_buffer *ib,
462                                  unsigned count);
463
464 /* r600_state_common.c */
465 void r600_init_atom(struct r600_atom *atom,
466                     void (*emit)(struct r600_context *ctx, struct r600_atom *state),
467                     unsigned num_dw, enum r600_atom_flags flags);
468 void r600_init_common_atoms(struct r600_context *rctx);
469 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
470 void r600_texture_barrier(struct pipe_context *ctx);
471 void r600_set_index_buffer(struct pipe_context *ctx,
472                            const struct pipe_index_buffer *ib);
473 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
474                              const struct pipe_vertex_buffer *buffers);
475 void *r600_create_vertex_elements(struct pipe_context *ctx,
476                                   unsigned count,
477                                   const struct pipe_vertex_element *elements);
478 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
479 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
480 void r600_set_blend_color(struct pipe_context *ctx,
481                           const struct pipe_blend_color *state);
482 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
483 void r600_set_max_scissor(struct r600_context *rctx);
484 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
485 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
486 void r600_sampler_view_destroy(struct pipe_context *ctx,
487                                struct pipe_sampler_view *state);
488 void r600_delete_state(struct pipe_context *ctx, void *state);
489 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
490 void *r600_create_shader_state(struct pipe_context *ctx,
491                                const struct pipe_shader_state *state);
492 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
493 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
494 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
495 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
496 void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
497 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
498                               struct pipe_resource *buffer);
499 struct pipe_stream_output_target *
500 r600_create_so_target(struct pipe_context *ctx,
501                       struct pipe_resource *buffer,
502                       unsigned buffer_offset,
503                       unsigned buffer_size);
504 void r600_so_target_destroy(struct pipe_context *ctx,
505                             struct pipe_stream_output_target *target);
506 void r600_set_so_targets(struct pipe_context *ctx,
507                          unsigned num_targets,
508                          struct pipe_stream_output_target **targets,
509                          unsigned append_bitmask);
510 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
511                                const struct pipe_stencil_ref *state);
512 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
513 uint32_t r600_translate_stencil_op(int s_op);
514 uint32_t r600_translate_fill(uint32_t func);
515 unsigned r600_tex_wrap(unsigned wrap);
516 unsigned r600_tex_filter(unsigned filter);
517 unsigned r600_tex_mipfilter(unsigned filter);
518 unsigned r600_tex_compare(unsigned compare);
519
520 /*
521  * Helpers for building command buffers
522  */
523
524 #define PKT3_SET_CONFIG_REG     0x68
525 #define PKT3_SET_CONTEXT_REG    0x69
526 #define PKT3_SET_CTL_CONST      0x6F
527 #define PKT3_SET_LOOP_CONST                    0x6C
528
529 #define R600_CONFIG_REG_OFFSET  0x08000
530 #define R600_CONTEXT_REG_OFFSET 0x28000
531 #define R600_CTL_CONST_OFFSET   0x3CFF0
532 #define R600_LOOP_CONST_OFFSET                 0X0003E200
533 #define EG_LOOP_CONST_OFFSET               0x0003A200
534
535 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
536 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
537 #define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
538 #define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
539 #define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
540
541 static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
542 {
543         cb->buf[cb->atom.num_dw++] = value;
544 }
545
546 static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
547 {
548         assert(reg < R600_CONTEXT_REG_OFFSET);
549         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
550         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
551         cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
552 }
553
554 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
555 {
556         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
557         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
558         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
559         cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
560 }
561
562 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
563 {
564         assert(reg >= R600_CTL_CONST_OFFSET);
565         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
566         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
567         cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
568 }
569
570 static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
571 {
572         assert(reg >= R600_LOOP_CONST_OFFSET);
573         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
574         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
575         cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
576 }
577
578 static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
579 {
580         assert(reg >= EG_LOOP_CONST_OFFSET);
581         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
582         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
583         cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
584 }
585
586 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
587 {
588         r600_store_config_reg_seq(cb, reg, 1);
589         r600_store_value(cb, value);
590 }
591
592 static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
593 {
594         r600_store_context_reg_seq(cb, reg, 1);
595         r600_store_value(cb, value);
596 }
597
598 static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
599 {
600         r600_store_ctl_const_seq(cb, reg, 1);
601         r600_store_value(cb, value);
602 }
603
604 static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
605 {
606         r600_store_loop_const_seq(cb, reg, 1);
607         r600_store_value(cb, value);
608 }
609
610 static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
611 {
612         eg_store_loop_const_seq(cb, reg, 1);
613         r600_store_value(cb, value);
614 }
615
616 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
617 void r600_release_command_buffer(struct r600_command_buffer *cb);
618
619 /*
620  * Helpers for emitting state into a command stream directly.
621  */
622
623 static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
624                                              enum radeon_bo_usage usage)
625 {
626         assert(usage);
627         return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
628 }
629
630 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
631 {
632         cs->buf[cs->cdw++] = value;
633 }
634
635 static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
636 {
637         assert(reg < R600_CONTEXT_REG_OFFSET);
638         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
639         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
640         cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
641 }
642
643 static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
644 {
645         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
646         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
647         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
648         cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
649 }
650
651 static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
652 {
653         assert(reg >= R600_CTL_CONST_OFFSET);
654         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
655         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
656         cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
657 }
658
659 static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
660 {
661         r600_write_config_reg_seq(cs, reg, 1);
662         r600_write_value(cs, value);
663 }
664
665 static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
666 {
667         r600_write_context_reg_seq(cs, reg, 1);
668         r600_write_value(cs, value);
669 }
670
671 static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
672 {
673         r600_write_ctl_const_seq(cs, reg, 1);
674         r600_write_value(cs, value);
675 }
676
677 /*
678  * common helpers
679  */
680 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
681 {
682         return value * (1 << frac_bits);
683 }
684 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
685
686 static inline unsigned r600_tex_aniso_filter(unsigned filter)
687 {
688         if (filter <= 1)   return 0;
689         if (filter <= 2)   return 1;
690         if (filter <= 4)   return 2;
691         if (filter <= 8)   return 3;
692          /* else */        return 4;
693 }
694
695 /* 12.4 fixed-point */
696 static INLINE unsigned r600_pack_float_12p4(float x)
697 {
698         return x <= 0    ? 0 :
699                x >= 4096 ? 0xffff : x * 16;
700 }
701
702 static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
703 {
704         struct r600_screen *rscreen = (struct r600_screen*)screen;
705         struct r600_resource *rresource = (struct r600_resource*)resource;
706
707         return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
708 }
709
710 #endif