r600g: Emit vertex buffers using the same method as constant buffers
[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_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
46 enum 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). */
55 struct 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. */
67 struct r600_command_buffer {
68         struct r600_atom atom;
69         uint32_t *buf;
70         unsigned max_num_dw;
71         unsigned pkt_flags;
72 };
73
74 struct r600_surface_sync_cmd {
75         struct r600_atom atom;
76         unsigned flush_flags; /* CP_COHER_CNTL */
77 };
78
79 struct r600_db_misc_state {
80         struct r600_atom atom;
81         bool occlusion_query_enabled;
82         bool flush_depthstencil_through_cb;
83 };
84
85 struct 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
95 enum 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
119 struct compute_memory_pool;
120 void compute_memory_pool_delete(struct compute_memory_pool* pool);
121 struct compute_memory_pool* compute_memory_pool_new(
122         struct r600_screen *rscreen);
123
124 struct 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
135 struct 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         int                             glsl_feature_level;
147
148         /*for compute global memory binding, we allocate stuff here, instead of
149          * buffers.
150          * XXX: Not sure if this is the best place for global_pool.  Also,
151          * it's not thread safe, so it won't work with multiple contexts. */
152         struct compute_memory_pool *global_pool;
153 };
154
155 struct r600_pipe_sampler_view {
156         struct pipe_sampler_view        base;
157         struct r600_pipe_resource_state         state;
158 };
159
160 struct 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
173 struct 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
180 struct 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
188 struct 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
197 struct r600_pipe_shader;
198
199 struct 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
213 struct 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
230 struct 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
238 struct r600_textures_info {
239         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
240         struct r600_pipe_sampler_state  *samplers[NUM_TEX_UNITS];
241         unsigned                        n_views;
242         unsigned                        n_samplers;
243         bool                            samplers_dirty;
244         bool                            is_array_sampler[NUM_TEX_UNITS];
245 };
246
247 struct r600_fence {
248         struct pipe_reference           reference;
249         unsigned                        index; /* in the shared bo */
250         struct r600_resource            *sleep_bo;
251         struct list_head                head;
252 };
253
254 #define FENCE_BLOCK_SIZE 16
255
256 struct r600_fence_block {
257         struct r600_fence               fences[FENCE_BLOCK_SIZE];
258         struct list_head                head;
259 };
260
261 #define R600_CONSTANT_ARRAY_SIZE 256
262 #define R600_RESOURCE_ARRAY_SIZE 160
263
264 struct r600_stencil_ref
265 {
266         ubyte ref_value[2];
267         ubyte valuemask[2];
268         ubyte writemask[2];
269 };
270
271 struct r600_constbuf_state
272 {
273         struct r600_atom                atom;
274         struct pipe_constant_buffer     cb[PIPE_MAX_CONSTANT_BUFFERS];
275         uint32_t                        enabled_mask;
276         uint32_t                        dirty_mask;
277 };
278
279 struct r600_vertexbuf_state
280 {
281         struct r600_atom                atom;
282         uint32_t                        dirty_mask;
283 };
284
285 struct r600_context {
286         struct pipe_context             context;
287         struct blitter_context          *blitter;
288         enum radeon_family              family;
289         enum chip_class                 chip_class;
290         boolean                         has_vertex_cache;
291         unsigned                        r6xx_num_clause_temp_gprs;
292         void                            *custom_dsa_flush;
293         struct r600_screen              *screen;
294         struct radeon_winsys            *ws;
295         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
296         struct r600_vertex_element      *vertex_elements;
297         struct pipe_framebuffer_state   framebuffer;
298         unsigned                        compute_cb_target_mask;
299         unsigned                        sx_alpha_test_control;
300         unsigned                        db_shader_control;
301         unsigned                        pa_sc_line_stipple;
302         unsigned                        pa_cl_clip_cntl;
303         /* for saving when using blitter */
304         struct pipe_stencil_ref         stencil_ref;
305         struct pipe_viewport_state      viewport;
306         struct pipe_clip_state          clip;
307         struct r600_pipe_shader_selector        *ps_shader;
308         struct r600_pipe_shader_selector        *vs_shader;
309         struct r600_pipe_compute        *cs_shader;
310         struct r600_pipe_rasterizer     *rasterizer;
311         struct r600_pipe_state          vgt;
312         struct r600_pipe_state          spi;
313         struct pipe_query               *current_render_cond;
314         unsigned                        current_render_cond_mode;
315         struct pipe_query               *saved_render_cond;
316         unsigned                        saved_render_cond_mode;
317         /* shader information */
318         boolean                         two_side;
319         boolean                         spi_dirty;
320         unsigned                        sprite_coord_enable;
321         boolean                         flatshade;
322         boolean                         export_16bpc;
323         unsigned                        alpha_ref;
324         boolean                         alpha_ref_dirty;
325         unsigned                        nr_cbufs;
326         struct r600_textures_info       vs_samplers;
327         struct r600_textures_info       ps_samplers;
328
329         struct u_upload_mgr             *uploader;
330         struct util_slab_mempool        pool_transfers;
331         boolean                         have_depth_texture, have_depth_fb;
332
333         unsigned default_ps_gprs, default_vs_gprs;
334
335         /* States based on r600_atom. */
336         struct list_head                dirty_states;
337         struct r600_command_buffer      start_cs_cmd; /* invariant state mostly */
338         /** Compute specific registers initializations.  The start_cs_cmd atom
339          *  must be emitted before start_compute_cs_cmd. */
340         struct r600_command_buffer      start_compute_cs_cmd;
341         struct r600_surface_sync_cmd    surface_sync_cmd;
342         struct r600_atom                r6xx_flush_and_inv_cmd;
343         struct r600_cb_misc_state       cb_misc_state;
344         struct r600_db_misc_state       db_misc_state;
345         /** Vertex buffers for fetch shaders */
346         struct r600_vertexbuf_state     vertex_buffer_state;
347         /** Vertex buffers for compute shaders */
348         struct r600_vertexbuf_state     cs_vertex_buffer_state;
349         struct r600_constbuf_state      vs_constbuf_state;
350         struct r600_constbuf_state      ps_constbuf_state;
351
352         struct radeon_winsys_cs *cs;
353
354         struct r600_range       *range;
355         unsigned                nblocks;
356         struct r600_block       **blocks;
357         struct list_head        dirty;
358         struct list_head        resource_dirty;
359         struct list_head        enable_list;
360         unsigned                pm4_dirty_cdwords;
361         unsigned                ctx_pm4_ndwords;
362
363         /* The list of active queries. Only one query of each type can be active. */
364         int                     num_occlusion_queries;
365
366         /* Manage queries in two separate groups:
367          * The timer ones and the others (streamout, occlusion).
368          *
369          * We do this because we should only suspend non-timer queries for u_blitter,
370          * and later if the non-timer queries are suspended, the context flush should
371          * only suspend and resume the timer queries. */
372         struct list_head        active_timer_queries;
373         unsigned                num_cs_dw_timer_queries_suspend;
374         struct list_head        active_nontimer_queries;
375         unsigned                num_cs_dw_nontimer_queries_suspend;
376
377         unsigned                num_cs_dw_streamout_end;
378
379         unsigned                backend_mask;
380         unsigned                max_db; /* for OQ */
381         unsigned                flags;
382         boolean                 predicate_drawing;
383         struct r600_range       ps_resources;
384         struct r600_range       vs_resources;
385         int                     num_ps_resources, num_vs_resources;
386
387         unsigned                num_so_targets;
388         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
389         boolean                 streamout_start;
390         unsigned                streamout_append_bitmask;
391
392         /* There is no scissor enable bit on r6xx, so we must use a workaround.
393          * These track the current scissor state. */
394         bool                    scissor_enable;
395         struct pipe_scissor_state scissor_state;
396
397         /* With rasterizer discard, there doesn't have to be a pixel shader.
398          * In that case, we bind this one: */
399         void                    *dummy_pixel_shader;
400
401         boolean                 dual_src_blend;
402
403         /* Vertex and index buffers. */
404         bool                    vertex_buffers_dirty;
405         struct pipe_index_buffer index_buffer;
406         struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
407         unsigned                nr_vertex_buffers;
408         struct pipe_vertex_buffer cs_vertex_buffer[PIPE_MAX_ATTRIBS];
409         unsigned                nr_cs_vertex_buffers;
410 };
411
412 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
413 {
414         atom->emit(rctx, atom);
415         atom->dirty = false;
416         if (atom->head.next && atom->head.prev)
417                 LIST_DELINIT(&atom->head);
418 }
419
420 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
421 {
422         if (!state->dirty) {
423                 if (state->flags & EMIT_EARLY) {
424                         LIST_ADD(&state->head, &rctx->dirty_states);
425                 } else {
426                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
427                 }
428                 state->dirty = true;
429         }
430 }
431
432 /* evergreen_state.c */
433 void evergreen_init_state_functions(struct r600_context *rctx);
434 void evergreen_init_atom_start_cs(struct r600_context *rctx);
435 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
436 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
437 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
438 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
439 void evergreen_polygon_offset_update(struct r600_context *rctx);
440 boolean evergreen_is_format_supported(struct pipe_screen *screen,
441                                       enum pipe_format format,
442                                       enum pipe_texture_target target,
443                                       unsigned sample_count,
444                                       unsigned usage);
445 void evergreen_cb(struct r600_context *rctx, struct r600_pipe_state *rstate,
446                          const struct pipe_framebuffer_state *state, int cb);
447
448
449 void evergreen_update_dual_export_state(struct r600_context * rctx);
450
451 /* r600_blit.c */
452 void r600_init_blit_functions(struct r600_context *rctx);
453 void r600_blit_uncompress_depth(struct pipe_context *ctx,
454                 struct r600_resource_texture *texture,
455                 struct r600_resource_texture *staging,
456                 unsigned first_level, unsigned last_level,
457                 unsigned first_layer, unsigned last_layer);
458 void r600_flush_all_depth_textures(struct r600_context *rctx);
459
460 /* r600_buffer.c */
461 bool r600_init_resource(struct r600_screen *rscreen,
462                         struct r600_resource *res,
463                         unsigned size, unsigned alignment,
464                         unsigned bind, unsigned usage);
465 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
466                                          const struct pipe_resource *templ);
467
468 /* r600_pipe.c */
469 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
470                 unsigned flags);
471
472 /* r600_query.c */
473 void r600_init_query_functions(struct r600_context *rctx);
474 void r600_suspend_nontimer_queries(struct r600_context *ctx);
475 void r600_resume_nontimer_queries(struct r600_context *ctx);
476 void r600_suspend_timer_queries(struct r600_context *ctx);
477 void r600_resume_timer_queries(struct r600_context *ctx);
478
479 /* r600_resource.c */
480 void r600_init_context_resource_functions(struct r600_context *r600);
481
482 /* r600_shader.c */
483 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
484 #ifdef HAVE_OPENCL
485 int r600_compute_shader_create(struct pipe_context * ctx,
486         LLVMModuleRef mod,  struct r600_bytecode * bytecode);
487 #endif
488 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
489
490 /* r600_state.c */
491 void r600_set_scissor_state(struct r600_context *rctx,
492                             const struct pipe_scissor_state *state);
493 void r600_update_sampler_states(struct r600_context *rctx);
494 void r600_init_state_functions(struct r600_context *rctx);
495 void r600_init_atom_start_cs(struct r600_context *rctx);
496 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
497 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
498 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
499 void *r600_create_db_flush_dsa(struct r600_context *rctx);
500 void r600_polygon_offset_update(struct r600_context *rctx);
501 void r600_adjust_gprs(struct r600_context *rctx);
502 boolean r600_is_format_supported(struct pipe_screen *screen,
503                                  enum pipe_format format,
504                                  enum pipe_texture_target target,
505                                  unsigned sample_count,
506                                  unsigned usage);
507 void r600_update_dual_export_state(struct r600_context * rctx);
508
509 /* r600_texture.c */
510 void r600_init_screen_texture_functions(struct pipe_screen *screen);
511 void r600_init_surface_functions(struct r600_context *r600);
512 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
513                                   const unsigned char *swizzle_view,
514                                   uint32_t *word4_p, uint32_t *yuv_format_p);
515 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
516                                         unsigned level, unsigned layer);
517
518 /* r600_translate.c */
519 void r600_translate_index_buffer(struct r600_context *r600,
520                                  struct pipe_index_buffer *ib,
521                                  unsigned count);
522
523 /* r600_state_common.c */
524 void r600_init_atom(struct r600_atom *atom,
525                     void (*emit)(struct r600_context *ctx, struct r600_atom *state),
526                     unsigned num_dw, enum r600_atom_flags flags);
527 void r600_init_common_atoms(struct r600_context *rctx);
528 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
529 void r600_texture_barrier(struct pipe_context *ctx);
530 void r600_set_index_buffer(struct pipe_context *ctx,
531                            const struct pipe_index_buffer *ib);
532 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
533                              const struct pipe_vertex_buffer *buffers);
534 void *r600_create_vertex_elements(struct pipe_context *ctx,
535                                   unsigned count,
536                                   const struct pipe_vertex_element *elements);
537 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
538 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
539 void r600_set_blend_color(struct pipe_context *ctx,
540                           const struct pipe_blend_color *state);
541 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
542 void r600_set_max_scissor(struct r600_context *rctx);
543 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
544 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
545 void r600_sampler_view_destroy(struct pipe_context *ctx,
546                                struct pipe_sampler_view *state);
547 void r600_delete_state(struct pipe_context *ctx, void *state);
548 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
549 void *r600_create_shader_state_ps(struct pipe_context *ctx,
550                    const struct pipe_shader_state *state);
551 void *r600_create_shader_state_vs(struct pipe_context *ctx,
552                    const struct pipe_shader_state *state);
553 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
554 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
555 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
556 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
557 void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
558 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
559                               struct pipe_constant_buffer *cb);
560 struct pipe_stream_output_target *
561 r600_create_so_target(struct pipe_context *ctx,
562                       struct pipe_resource *buffer,
563                       unsigned buffer_offset,
564                       unsigned buffer_size);
565 void r600_so_target_destroy(struct pipe_context *ctx,
566                             struct pipe_stream_output_target *target);
567 void r600_set_so_targets(struct pipe_context *ctx,
568                          unsigned num_targets,
569                          struct pipe_stream_output_target **targets,
570                          unsigned append_bitmask);
571 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
572                                const struct pipe_stencil_ref *state);
573 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
574 uint32_t r600_translate_stencil_op(int s_op);
575 uint32_t r600_translate_fill(uint32_t func);
576 unsigned r600_tex_wrap(unsigned wrap);
577 unsigned r600_tex_filter(unsigned filter);
578 unsigned r600_tex_mipfilter(unsigned filter);
579 unsigned r600_tex_compare(unsigned compare);
580
581 /*
582  * Helpers for building command buffers
583  */
584
585 #define PKT3_SET_CONFIG_REG     0x68
586 #define PKT3_SET_CONTEXT_REG    0x69
587 #define PKT3_SET_CTL_CONST      0x6F
588 #define PKT3_SET_LOOP_CONST                    0x6C
589
590 #define R600_CONFIG_REG_OFFSET  0x08000
591 #define R600_CONTEXT_REG_OFFSET 0x28000
592 #define R600_CTL_CONST_OFFSET   0x3CFF0
593 #define R600_LOOP_CONST_OFFSET                 0X0003E200
594 #define EG_LOOP_CONST_OFFSET               0x0003A200
595
596 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
597 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
598 #define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
599 #define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
600 #define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
601
602 static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
603 {
604         cb->buf[cb->atom.num_dw++] = value;
605 }
606
607 static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
608 {
609         assert(reg < R600_CONTEXT_REG_OFFSET);
610         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
611         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
612         cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
613 }
614
615 /**
616  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
617  * shaders.
618  */
619 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
620 {
621         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
622         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
623         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
624         cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
625 }
626
627 /**
628  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
629  * shaders.
630  */
631 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
632 {
633         assert(reg >= R600_CTL_CONST_OFFSET);
634         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
635         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
636         cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
637 }
638
639 static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
640 {
641         assert(reg >= R600_LOOP_CONST_OFFSET);
642         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
643         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
644         cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
645 }
646
647 /**
648  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
649  * shaders.
650  */
651 static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
652 {
653         assert(reg >= EG_LOOP_CONST_OFFSET);
654         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
655         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
656         cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
657 }
658
659 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
660 {
661         r600_store_config_reg_seq(cb, reg, 1);
662         r600_store_value(cb, value);
663 }
664
665 static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
666 {
667         r600_store_context_reg_seq(cb, reg, 1);
668         r600_store_value(cb, value);
669 }
670
671 static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
672 {
673         r600_store_ctl_const_seq(cb, reg, 1);
674         r600_store_value(cb, value);
675 }
676
677 static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
678 {
679         r600_store_loop_const_seq(cb, reg, 1);
680         r600_store_value(cb, value);
681 }
682
683 static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
684 {
685         eg_store_loop_const_seq(cb, reg, 1);
686         r600_store_value(cb, value);
687 }
688
689 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
690 void r600_release_command_buffer(struct r600_command_buffer *cb);
691
692 /*
693  * Helpers for emitting state into a command stream directly.
694  */
695
696 static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
697                                              enum radeon_bo_usage usage)
698 {
699         assert(usage);
700         return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
701 }
702
703 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
704 {
705         cs->buf[cs->cdw++] = value;
706 }
707
708 static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
709 {
710         assert(reg < R600_CONTEXT_REG_OFFSET);
711         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
712         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
713         cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
714 }
715
716 static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
717 {
718         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
719         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
720         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
721         cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
722 }
723
724 static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
725 {
726         assert(reg >= R600_CTL_CONST_OFFSET);
727         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
728         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
729         cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
730 }
731
732 static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
733 {
734         r600_write_config_reg_seq(cs, reg, 1);
735         r600_write_value(cs, value);
736 }
737
738 static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
739 {
740         r600_write_context_reg_seq(cs, reg, 1);
741         r600_write_value(cs, value);
742 }
743
744 static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
745 {
746         r600_write_ctl_const_seq(cs, reg, 1);
747         r600_write_value(cs, value);
748 }
749
750 /*
751  * common helpers
752  */
753 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
754 {
755         return value * (1 << frac_bits);
756 }
757 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
758
759 static inline unsigned r600_tex_aniso_filter(unsigned filter)
760 {
761         if (filter <= 1)   return 0;
762         if (filter <= 2)   return 1;
763         if (filter <= 4)   return 2;
764         if (filter <= 8)   return 3;
765          /* else */        return 4;
766 }
767
768 /* 12.4 fixed-point */
769 static INLINE unsigned r600_pack_float_12p4(float x)
770 {
771         return x <= 0    ? 0 :
772                x >= 4096 ? 0xffff : x * 16;
773 }
774
775 static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
776 {
777         struct r600_screen *rscreen = (struct r600_screen*)screen;
778         struct r600_resource *rresource = (struct r600_resource*)resource;
779
780         return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
781 }
782
783 #endif