r600g: consolidate code for setting sampler views and fix bugs in the process
[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
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
154 struct r600_pipe_sampler_view {
155         struct pipe_sampler_view        base;
156         struct r600_pipe_resource_state         state;
157 };
158
159 struct r600_pipe_rasterizer {
160         struct r600_pipe_state          rstate;
161         boolean                         flatshade;
162         boolean                         two_side;
163         unsigned                        sprite_coord_enable;
164         unsigned                        clip_plane_enable;
165         unsigned                        pa_sc_line_stipple;
166         unsigned                        pa_cl_clip_cntl;
167         float                           offset_units;
168         float                           offset_scale;
169         bool                            scissor_enable;
170 };
171
172 struct r600_pipe_blend {
173         struct r600_pipe_state          rstate;
174         unsigned                        cb_target_mask;
175         unsigned                        cb_color_control;
176         bool                            dual_src_blend;
177 };
178
179 struct r600_pipe_dsa {
180         struct r600_pipe_state          rstate;
181         unsigned                        alpha_ref;
182         ubyte                           valuemask[2];
183         ubyte                           writemask[2];
184         unsigned                        sx_alpha_test_control;
185 };
186
187 struct r600_vertex_element
188 {
189         unsigned                        count;
190         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
191         struct r600_resource            *fetch_shader;
192         unsigned                        fs_size;
193         struct r600_pipe_state          rstate;
194 };
195
196 struct r600_pipe_shader;
197
198 struct r600_pipe_shader_selector {
199         struct r600_pipe_shader *current;
200
201         struct tgsi_token       *tokens;
202         struct pipe_stream_output_info  so;
203
204         unsigned        num_shaders;
205
206         /* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
207         unsigned        type;
208
209         unsigned        nr_ps_max_color_exports;
210 };
211
212 struct r600_pipe_shader {
213         struct r600_pipe_shader_selector *selector;
214         struct r600_pipe_shader *next_variant;
215         struct r600_shader              shader;
216         struct r600_pipe_state          rstate;
217         struct r600_resource            *bo;
218         struct r600_resource            *bo_fetch;
219         struct r600_vertex_element      vertex_elements;
220         unsigned        sprite_coord_enable;
221         unsigned        flatshade;
222         unsigned        pa_cl_vs_out_cntl;
223         unsigned        nr_ps_color_outputs;
224         unsigned        key;
225         unsigned                db_shader_control;
226         unsigned                ps_depth_export;
227 };
228
229 struct r600_pipe_sampler_state {
230         struct r600_pipe_state          rstate;
231         boolean seamless_cube_map;
232 };
233
234 /* needed for blitter save */
235 #define NUM_TEX_UNITS 16
236
237 struct r600_textures_info {
238         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
239         struct r600_pipe_sampler_state  *samplers[NUM_TEX_UNITS];
240         unsigned                        n_views;
241         unsigned                        n_samplers;
242         bool                            samplers_dirty;
243         bool                            is_array_sampler[NUM_TEX_UNITS];
244 };
245
246 struct r600_fence {
247         struct pipe_reference           reference;
248         unsigned                        index; /* in the shared bo */
249         struct r600_resource            *sleep_bo;
250         struct list_head                head;
251 };
252
253 #define FENCE_BLOCK_SIZE 16
254
255 struct r600_fence_block {
256         struct r600_fence               fences[FENCE_BLOCK_SIZE];
257         struct list_head                head;
258 };
259
260 #define R600_CONSTANT_ARRAY_SIZE 256
261 #define R600_RESOURCE_ARRAY_SIZE 160
262
263 struct r600_stencil_ref
264 {
265         ubyte ref_value[2];
266         ubyte valuemask[2];
267         ubyte writemask[2];
268 };
269
270 struct r600_constbuf_state
271 {
272         struct r600_atom                atom;
273         struct pipe_constant_buffer     cb[PIPE_MAX_CONSTANT_BUFFERS];
274         uint32_t                        enabled_mask;
275         uint32_t                        dirty_mask;
276 };
277
278 struct r600_vertexbuf_state
279 {
280         struct r600_atom                atom;
281         struct pipe_vertex_buffer       vb[PIPE_MAX_ATTRIBS];
282         uint32_t                        enabled_mask; /* non-NULL buffers */
283         uint32_t                        dirty_mask;
284 };
285
286 struct r600_context {
287         struct pipe_context             context;
288         struct blitter_context          *blitter;
289         enum radeon_family              family;
290         enum chip_class                 chip_class;
291         boolean                         has_vertex_cache;
292         unsigned                        r6xx_num_clause_temp_gprs;
293         void                            *custom_dsa_flush;
294         struct r600_screen              *screen;
295         struct radeon_winsys            *ws;
296         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
297         struct r600_vertex_element      *vertex_elements;
298         struct pipe_framebuffer_state   framebuffer;
299         unsigned                        compute_cb_target_mask;
300         unsigned                        sx_alpha_test_control;
301         unsigned                        db_shader_control;
302         unsigned                        pa_sc_line_stipple;
303         unsigned                        pa_cl_clip_cntl;
304         /* for saving when using blitter */
305         struct pipe_stencil_ref         stencil_ref;
306         struct pipe_viewport_state      viewport;
307         struct pipe_clip_state          clip;
308         struct r600_pipe_shader_selector        *ps_shader;
309         struct r600_pipe_shader_selector        *vs_shader;
310         struct r600_pipe_compute        *cs_shader;
311         struct r600_pipe_rasterizer     *rasterizer;
312         struct r600_pipe_state          vgt;
313         struct r600_pipe_state          spi;
314         struct pipe_query               *current_render_cond;
315         unsigned                        current_render_cond_mode;
316         struct pipe_query               *saved_render_cond;
317         unsigned                        saved_render_cond_mode;
318         /* shader information */
319         boolean                         two_side;
320         boolean                         spi_dirty;
321         unsigned                        sprite_coord_enable;
322         boolean                         flatshade;
323         boolean                         export_16bpc;
324         unsigned                        alpha_ref;
325         boolean                         alpha_ref_dirty;
326         unsigned                        nr_cbufs;
327         struct r600_textures_info       vs_samplers;
328         struct r600_textures_info       ps_samplers;
329
330         struct u_upload_mgr             *uploader;
331         struct util_slab_mempool        pool_transfers;
332         boolean                         have_depth_texture;
333
334         unsigned default_ps_gprs, default_vs_gprs;
335
336         /* States based on r600_atom. */
337         struct list_head                dirty_states;
338         struct r600_command_buffer      start_cs_cmd; /* invariant state mostly */
339         /** Compute specific registers initializations.  The start_cs_cmd atom
340          *  must be emitted before start_compute_cs_cmd. */
341         struct r600_command_buffer      start_compute_cs_cmd;
342         struct r600_surface_sync_cmd    surface_sync_cmd;
343         struct r600_atom                r6xx_flush_and_inv_cmd;
344         struct r600_cb_misc_state       cb_misc_state;
345         struct r600_db_misc_state       db_misc_state;
346         /** Vertex buffers for fetch shaders */
347         struct r600_vertexbuf_state     vertex_buffer_state;
348         /** Vertex buffers for compute shaders */
349         struct r600_vertexbuf_state     cs_vertex_buffer_state;
350         struct r600_constbuf_state      vs_constbuf_state;
351         struct r600_constbuf_state      ps_constbuf_state;
352
353         struct radeon_winsys_cs *cs;
354
355         struct r600_range       *range;
356         unsigned                nblocks;
357         struct r600_block       **blocks;
358         struct list_head        dirty;
359         struct list_head        resource_dirty;
360         struct list_head        enable_list;
361         unsigned                pm4_dirty_cdwords;
362         unsigned                ctx_pm4_ndwords;
363
364         /* The list of active queries. Only one query of each type can be active. */
365         int                     num_occlusion_queries;
366
367         /* Manage queries in two separate groups:
368          * The timer ones and the others (streamout, occlusion).
369          *
370          * We do this because we should only suspend non-timer queries for u_blitter,
371          * and later if the non-timer queries are suspended, the context flush should
372          * only suspend and resume the timer queries. */
373         struct list_head        active_timer_queries;
374         unsigned                num_cs_dw_timer_queries_suspend;
375         struct list_head        active_nontimer_queries;
376         unsigned                num_cs_dw_nontimer_queries_suspend;
377
378         unsigned                num_cs_dw_streamout_end;
379
380         unsigned                backend_mask;
381         unsigned                max_db; /* for OQ */
382         unsigned                flags;
383         boolean                 predicate_drawing;
384         struct r600_range       ps_resources;
385         struct r600_range       vs_resources;
386         int                     num_ps_resources, num_vs_resources;
387
388         unsigned                num_so_targets;
389         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
390         boolean                 streamout_start;
391         unsigned                streamout_append_bitmask;
392
393         /* There is no scissor enable bit on r6xx, so we must use a workaround.
394          * These track the current scissor state. */
395         bool                    scissor_enable;
396         struct pipe_scissor_state scissor_state;
397
398         /* With rasterizer discard, there doesn't have to be a pixel shader.
399          * In that case, we bind this one: */
400         void                    *dummy_pixel_shader;
401
402         boolean                 dual_src_blend;
403
404         /* Index buffer. */
405         struct pipe_index_buffer index_buffer;
406 };
407
408 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
409 {
410         atom->emit(rctx, atom);
411         atom->dirty = false;
412         if (atom->head.next && atom->head.prev)
413                 LIST_DELINIT(&atom->head);
414 }
415
416 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
417 {
418         if (!state->dirty) {
419                 if (state->flags & EMIT_EARLY) {
420                         LIST_ADD(&state->head, &rctx->dirty_states);
421                 } else {
422                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
423                 }
424                 state->dirty = true;
425         }
426 }
427
428 /* evergreen_state.c */
429 void evergreen_init_state_functions(struct r600_context *rctx);
430 void evergreen_init_atom_start_cs(struct r600_context *rctx);
431 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
432 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
433 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
434 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
435 void evergreen_polygon_offset_update(struct r600_context *rctx);
436 boolean evergreen_is_format_supported(struct pipe_screen *screen,
437                                       enum pipe_format format,
438                                       enum pipe_texture_target target,
439                                       unsigned sample_count,
440                                       unsigned usage);
441 void evergreen_cb(struct r600_context *rctx, struct r600_pipe_state *rstate,
442                          const struct pipe_framebuffer_state *state, int cb);
443
444
445 void evergreen_update_dual_export_state(struct r600_context * rctx);
446
447 /* r600_blit.c */
448 void r600_init_blit_functions(struct r600_context *rctx);
449 void r600_blit_uncompress_depth(struct pipe_context *ctx,
450                 struct r600_resource_texture *texture,
451                 struct r600_resource_texture *staging,
452                 unsigned first_level, unsigned last_level,
453                 unsigned first_layer, unsigned last_layer);
454 void r600_flush_all_depth_textures(struct r600_context *rctx);
455
456 /* r600_buffer.c */
457 bool r600_init_resource(struct r600_screen *rscreen,
458                         struct r600_resource *res,
459                         unsigned size, unsigned alignment,
460                         unsigned bind, unsigned usage);
461 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
462                                          const struct pipe_resource *templ);
463
464 /* r600_pipe.c */
465 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
466                 unsigned flags);
467
468 /* r600_query.c */
469 void r600_init_query_functions(struct r600_context *rctx);
470 void r600_suspend_nontimer_queries(struct r600_context *ctx);
471 void r600_resume_nontimer_queries(struct r600_context *ctx);
472 void r600_suspend_timer_queries(struct r600_context *ctx);
473 void r600_resume_timer_queries(struct r600_context *ctx);
474
475 /* r600_resource.c */
476 void r600_init_context_resource_functions(struct r600_context *r600);
477
478 /* r600_shader.c */
479 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
480 #ifdef HAVE_OPENCL
481 int r600_compute_shader_create(struct pipe_context * ctx,
482         LLVMModuleRef mod,  struct r600_bytecode * bytecode);
483 #endif
484 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
485
486 /* r600_state.c */
487 void r600_set_scissor_state(struct r600_context *rctx,
488                             const struct pipe_scissor_state *state);
489 void r600_update_sampler_states(struct r600_context *rctx);
490 void r600_init_state_functions(struct r600_context *rctx);
491 void r600_init_atom_start_cs(struct r600_context *rctx);
492 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
493 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
494 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
495 void *r600_create_db_flush_dsa(struct r600_context *rctx);
496 void r600_polygon_offset_update(struct r600_context *rctx);
497 void r600_adjust_gprs(struct r600_context *rctx);
498 boolean r600_is_format_supported(struct pipe_screen *screen,
499                                  enum pipe_format format,
500                                  enum pipe_texture_target target,
501                                  unsigned sample_count,
502                                  unsigned usage);
503 void r600_update_dual_export_state(struct r600_context * rctx);
504
505 /* r600_texture.c */
506 void r600_init_screen_texture_functions(struct pipe_screen *screen);
507 void r600_init_surface_functions(struct r600_context *r600);
508 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
509                                   const unsigned char *swizzle_view,
510                                   uint32_t *word4_p, uint32_t *yuv_format_p);
511 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
512                                         unsigned level, unsigned layer);
513
514 /* r600_translate.c */
515 void r600_translate_index_buffer(struct r600_context *r600,
516                                  struct pipe_index_buffer *ib,
517                                  unsigned count);
518
519 /* r600_state_common.c */
520 void r600_init_atom(struct r600_atom *atom,
521                     void (*emit)(struct r600_context *ctx, struct r600_atom *state),
522                     unsigned num_dw, enum r600_atom_flags flags);
523 void r600_init_common_atoms(struct r600_context *rctx);
524 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
525 void r600_texture_barrier(struct pipe_context *ctx);
526 void r600_set_index_buffer(struct pipe_context *ctx,
527                            const struct pipe_index_buffer *ib);
528 void r600_vertex_buffers_dirty(struct r600_context *rctx);
529 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
530                              const struct pipe_vertex_buffer *input);
531 void r600_set_sampler_views(struct r600_context *rctx,
532                             struct r600_textures_info *dst,
533                             unsigned count,
534                             struct pipe_sampler_view **views,
535                             void (*set_resource)(struct r600_context*, struct r600_pipe_resource_state*, unsigned));
536 void *r600_create_vertex_elements(struct pipe_context *ctx,
537                                   unsigned count,
538                                   const struct pipe_vertex_element *elements);
539 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
540 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
541 void r600_set_blend_color(struct pipe_context *ctx,
542                           const struct pipe_blend_color *state);
543 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
544 void r600_set_max_scissor(struct r600_context *rctx);
545 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
546 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
547 void r600_sampler_view_destroy(struct pipe_context *ctx,
548                                struct pipe_sampler_view *state);
549 void r600_delete_state(struct pipe_context *ctx, void *state);
550 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
551 void *r600_create_shader_state_ps(struct pipe_context *ctx,
552                    const struct pipe_shader_state *state);
553 void *r600_create_shader_state_vs(struct pipe_context *ctx,
554                    const struct pipe_shader_state *state);
555 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
556 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
557 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
558 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
559 void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
560 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
561                               struct pipe_constant_buffer *cb);
562 struct pipe_stream_output_target *
563 r600_create_so_target(struct pipe_context *ctx,
564                       struct pipe_resource *buffer,
565                       unsigned buffer_offset,
566                       unsigned buffer_size);
567 void r600_so_target_destroy(struct pipe_context *ctx,
568                             struct pipe_stream_output_target *target);
569 void r600_set_so_targets(struct pipe_context *ctx,
570                          unsigned num_targets,
571                          struct pipe_stream_output_target **targets,
572                          unsigned append_bitmask);
573 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
574                                const struct pipe_stencil_ref *state);
575 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
576 uint32_t r600_translate_stencil_op(int s_op);
577 uint32_t r600_translate_fill(uint32_t func);
578 unsigned r600_tex_wrap(unsigned wrap);
579 unsigned r600_tex_filter(unsigned filter);
580 unsigned r600_tex_mipfilter(unsigned filter);
581 unsigned r600_tex_compare(unsigned compare);
582
583 /*
584  * Helpers for building command buffers
585  */
586
587 #define PKT3_SET_CONFIG_REG     0x68
588 #define PKT3_SET_CONTEXT_REG    0x69
589 #define PKT3_SET_CTL_CONST      0x6F
590 #define PKT3_SET_LOOP_CONST                    0x6C
591
592 #define R600_CONFIG_REG_OFFSET  0x08000
593 #define R600_CONTEXT_REG_OFFSET 0x28000
594 #define R600_CTL_CONST_OFFSET   0x3CFF0
595 #define R600_LOOP_CONST_OFFSET                 0X0003E200
596 #define EG_LOOP_CONST_OFFSET               0x0003A200
597
598 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
599 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
600 #define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
601 #define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
602 #define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
603
604 static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
605 {
606         cb->buf[cb->atom.num_dw++] = value;
607 }
608
609 static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
610 {
611         assert(reg < R600_CONTEXT_REG_OFFSET);
612         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
613         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
614         cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
615 }
616
617 /**
618  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
619  * shaders.
620  */
621 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
622 {
623         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
624         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
625         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
626         cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
627 }
628
629 /**
630  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
631  * shaders.
632  */
633 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
634 {
635         assert(reg >= R600_CTL_CONST_OFFSET);
636         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
637         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
638         cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
639 }
640
641 static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
642 {
643         assert(reg >= R600_LOOP_CONST_OFFSET);
644         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
645         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
646         cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
647 }
648
649 /**
650  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
651  * shaders.
652  */
653 static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
654 {
655         assert(reg >= EG_LOOP_CONST_OFFSET);
656         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
657         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
658         cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
659 }
660
661 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
662 {
663         r600_store_config_reg_seq(cb, reg, 1);
664         r600_store_value(cb, value);
665 }
666
667 static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
668 {
669         r600_store_context_reg_seq(cb, reg, 1);
670         r600_store_value(cb, value);
671 }
672
673 static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
674 {
675         r600_store_ctl_const_seq(cb, reg, 1);
676         r600_store_value(cb, value);
677 }
678
679 static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
680 {
681         r600_store_loop_const_seq(cb, reg, 1);
682         r600_store_value(cb, value);
683 }
684
685 static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
686 {
687         eg_store_loop_const_seq(cb, reg, 1);
688         r600_store_value(cb, value);
689 }
690
691 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
692 void r600_release_command_buffer(struct r600_command_buffer *cb);
693
694 /*
695  * Helpers for emitting state into a command stream directly.
696  */
697
698 static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
699                                              enum radeon_bo_usage usage)
700 {
701         assert(usage);
702         return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
703 }
704
705 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
706 {
707         cs->buf[cs->cdw++] = value;
708 }
709
710 static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
711 {
712         assert(reg < R600_CONTEXT_REG_OFFSET);
713         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
714         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
715         cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
716 }
717
718 static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
719 {
720         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
721         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
722         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
723         cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
724 }
725
726 static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
727 {
728         assert(reg >= R600_CTL_CONST_OFFSET);
729         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
730         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
731         cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
732 }
733
734 static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
735 {
736         r600_write_config_reg_seq(cs, reg, 1);
737         r600_write_value(cs, value);
738 }
739
740 static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
741 {
742         r600_write_context_reg_seq(cs, reg, 1);
743         r600_write_value(cs, value);
744 }
745
746 static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
747 {
748         r600_write_ctl_const_seq(cs, reg, 1);
749         r600_write_value(cs, value);
750 }
751
752 /*
753  * common helpers
754  */
755 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
756 {
757         return value * (1 << frac_bits);
758 }
759 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
760
761 static inline unsigned r600_tex_aniso_filter(unsigned filter)
762 {
763         if (filter <= 1)   return 0;
764         if (filter <= 2)   return 1;
765         if (filter <= 4)   return 2;
766         if (filter <= 8)   return 3;
767          /* else */        return 4;
768 }
769
770 /* 12.4 fixed-point */
771 static INLINE unsigned r600_pack_float_12p4(float x)
772 {
773         return x <= 0    ? 0 :
774                x >= 4096 ? 0xffff : x * 16;
775 }
776
777 static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
778 {
779         struct r600_screen *rscreen = (struct r600_screen*)screen;
780         struct r600_resource *rresource = (struct r600_resource*)resource;
781
782         return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
783 }
784
785 #endif