r600g: implement alpha-to-one
[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         bool copy_depth, copy_stencil;
84 };
85
86 struct r600_cb_misc_state {
87         struct r600_atom atom;
88         unsigned cb_color_control; /* this comes from blend state */
89         unsigned blend_colormask; /* 8*4 bits for 8 RGBA colorbuffers */
90         unsigned nr_cbufs;
91         unsigned nr_ps_color_outputs;
92         bool multiwrite;
93         bool dual_src_blend;
94 };
95
96 struct r600_alphatest_state {
97         struct r600_atom atom;
98         unsigned sx_alpha_test_control; /* this comes from dsa state */
99         unsigned sx_alpha_ref; /* this comes from dsa state */
100         bool bypass;
101         bool cb0_export_16bpc; /* from set_framebuffer_state */
102 };
103
104 struct r600_cs_shader_state {
105         struct r600_atom atom;
106         struct r600_pipe_compute *shader;
107 };
108
109 enum r600_pipe_state_id {
110         R600_PIPE_STATE_BLEND = 0,
111         R600_PIPE_STATE_BLEND_COLOR,
112         R600_PIPE_STATE_CONFIG,
113         R600_PIPE_STATE_SEAMLESS_CUBEMAP,
114         R600_PIPE_STATE_CLIP,
115         R600_PIPE_STATE_SCISSOR,
116         R600_PIPE_STATE_VIEWPORT,
117         R600_PIPE_STATE_RASTERIZER,
118         R600_PIPE_STATE_VGT,
119         R600_PIPE_STATE_FRAMEBUFFER,
120         R600_PIPE_STATE_DSA,
121         R600_PIPE_STATE_STENCIL_REF,
122         R600_PIPE_STATE_PS_SHADER,
123         R600_PIPE_STATE_VS_SHADER,
124         R600_PIPE_STATE_CONSTANT,
125         R600_PIPE_STATE_SAMPLER,
126         R600_PIPE_STATE_RESOURCE,
127         R600_PIPE_STATE_POLYGON_OFFSET,
128         R600_PIPE_STATE_FETCH_SHADER,
129         R600_PIPE_STATE_SPI,
130         R600_PIPE_NSTATES
131 };
132
133 struct compute_memory_pool;
134 void compute_memory_pool_delete(struct compute_memory_pool* pool);
135 struct compute_memory_pool* compute_memory_pool_new(
136         struct r600_screen *rscreen);
137
138 struct r600_pipe_fences {
139         struct r600_resource            *bo;
140         unsigned                        *data;
141         unsigned                        next_index;
142         /* linked list of preallocated blocks */
143         struct list_head                blocks;
144         /* linked list of freed fences */
145         struct list_head                pool;
146         pipe_mutex                      mutex;
147 };
148
149 struct r600_screen {
150         struct pipe_screen              screen;
151         struct radeon_winsys            *ws;
152         unsigned                        family;
153         enum chip_class                 chip_class;
154         struct radeon_info              info;
155         bool                            has_streamout;
156         struct r600_tiling_info         tiling_info;
157         struct r600_pipe_fences         fences;
158
159         /*for compute global memory binding, we allocate stuff here, instead of
160          * buffers.
161          * XXX: Not sure if this is the best place for global_pool.  Also,
162          * it's not thread safe, so it won't work with multiple contexts. */
163         struct compute_memory_pool *global_pool;
164 };
165
166 struct r600_pipe_sampler_view {
167         struct pipe_sampler_view        base;
168         struct r600_resource            *tex_resource;
169         uint32_t                        tex_resource_words[8];
170 };
171
172 struct r600_pipe_rasterizer {
173         struct r600_pipe_state          rstate;
174         boolean                         flatshade;
175         boolean                         two_side;
176         unsigned                        sprite_coord_enable;
177         unsigned                        clip_plane_enable;
178         unsigned                        pa_sc_line_stipple;
179         unsigned                        pa_cl_clip_cntl;
180         float                           offset_units;
181         float                           offset_scale;
182         bool                            scissor_enable;
183         bool                            multisample_enable;
184 };
185
186 struct r600_pipe_blend {
187         struct r600_pipe_state          rstate;
188         unsigned                        cb_target_mask;
189         unsigned                        cb_color_control;
190         bool                            dual_src_blend;
191         bool                            alpha_to_one;
192 };
193
194 struct r600_pipe_dsa {
195         struct r600_pipe_state          rstate;
196         unsigned                        alpha_ref;
197         ubyte                           valuemask[2];
198         ubyte                           writemask[2];
199         unsigned                        sx_alpha_test_control;
200 };
201
202 struct r600_vertex_element
203 {
204         unsigned                        count;
205         struct pipe_vertex_element      elements[PIPE_MAX_ATTRIBS];
206         struct r600_resource            *fetch_shader;
207         unsigned                        fs_size;
208         struct r600_pipe_state          rstate;
209 };
210
211 struct r600_pipe_shader;
212
213 struct r600_pipe_shader_selector {
214         struct r600_pipe_shader *current;
215
216         struct tgsi_token       *tokens;
217         struct pipe_stream_output_info  so;
218
219         unsigned        num_shaders;
220
221         /* PIPE_SHADER_[VERTEX|FRAGMENT|...] */
222         unsigned        type;
223
224         unsigned        nr_ps_max_color_exports;
225 };
226
227 struct r600_pipe_shader {
228         struct r600_pipe_shader_selector *selector;
229         struct r600_pipe_shader *next_variant;
230         struct r600_shader              shader;
231         struct r600_pipe_state          rstate;
232         struct r600_resource            *bo;
233         struct r600_resource            *bo_fetch;
234         struct r600_vertex_element      vertex_elements;
235         unsigned        sprite_coord_enable;
236         unsigned        flatshade;
237         unsigned        pa_cl_vs_out_cntl;
238         unsigned        nr_ps_color_outputs;
239         unsigned        key;
240         unsigned                db_shader_control;
241         unsigned                ps_depth_export;
242 };
243
244 struct r600_pipe_sampler_state {
245         uint32_t                        tex_sampler_words[3];
246         uint32_t                        border_color[4];
247         bool                            border_color_use;
248         bool                            seamless_cube_map;
249 };
250
251 /* needed for blitter save */
252 #define NUM_TEX_UNITS 16
253
254 struct r600_seamless_cube_map {
255         struct r600_atom                atom;
256         bool                            enabled;
257 };
258
259 struct r600_samplerview_state {
260         struct r600_atom                atom;
261         struct r600_pipe_sampler_view   *views[NUM_TEX_UNITS];
262         uint32_t                        enabled_mask;
263         uint32_t                        dirty_mask;
264         uint32_t                        depth_texture_mask; /* which textures are depth */
265 };
266
267 struct r600_textures_info {
268         struct r600_samplerview_state   views;
269         struct r600_atom                atom_sampler;
270         struct r600_pipe_sampler_state  *samplers[NUM_TEX_UNITS];
271         unsigned                        n_samplers;
272         bool                            is_array_sampler[NUM_TEX_UNITS];
273 };
274
275 struct r600_fence {
276         struct pipe_reference           reference;
277         unsigned                        index; /* in the shared bo */
278         struct r600_resource            *sleep_bo;
279         struct list_head                head;
280 };
281
282 #define FENCE_BLOCK_SIZE 16
283
284 struct r600_fence_block {
285         struct r600_fence               fences[FENCE_BLOCK_SIZE];
286         struct list_head                head;
287 };
288
289 #define R600_CONSTANT_ARRAY_SIZE 256
290 #define R600_RESOURCE_ARRAY_SIZE 160
291
292 struct r600_stencil_ref
293 {
294         ubyte ref_value[2];
295         ubyte valuemask[2];
296         ubyte writemask[2];
297 };
298
299 struct r600_constbuf_state
300 {
301         struct r600_atom                atom;
302         struct pipe_constant_buffer     cb[PIPE_MAX_CONSTANT_BUFFERS];
303         uint32_t                        enabled_mask;
304         uint32_t                        dirty_mask;
305 };
306
307 struct r600_vertexbuf_state
308 {
309         struct r600_atom                atom;
310         struct pipe_vertex_buffer       vb[PIPE_MAX_ATTRIBS];
311         uint32_t                        enabled_mask; /* non-NULL buffers */
312         uint32_t                        dirty_mask;
313 };
314
315 struct r600_context {
316         struct pipe_context             context;
317         struct blitter_context          *blitter;
318         enum radeon_family              family;
319         enum chip_class                 chip_class;
320         boolean                         has_vertex_cache;
321         unsigned                        r6xx_num_clause_temp_gprs;
322         void                            *custom_dsa_flush;
323         struct r600_screen              *screen;
324         struct radeon_winsys            *ws;
325         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
326         struct r600_vertex_element      *vertex_elements;
327         struct pipe_framebuffer_state   framebuffer;
328         unsigned                        compute_cb_target_mask;
329         unsigned                        db_shader_control;
330         unsigned                        pa_sc_line_stipple;
331         unsigned                        pa_cl_clip_cntl;
332         /* for saving when using blitter */
333         struct pipe_stencil_ref         stencil_ref;
334         struct pipe_viewport_state      viewport;
335         struct pipe_clip_state          clip;
336         struct r600_pipe_shader_selector        *ps_shader;
337         struct r600_pipe_shader_selector        *vs_shader;
338         struct r600_pipe_rasterizer     *rasterizer;
339         struct r600_pipe_state          vgt;
340         struct r600_pipe_state          spi;
341         struct pipe_query               *current_render_cond;
342         unsigned                        current_render_cond_mode;
343         struct pipe_query               *saved_render_cond;
344         unsigned                        saved_render_cond_mode;
345         /* shader information */
346         boolean                         two_side;
347         boolean                         spi_dirty;
348         unsigned                        sprite_coord_enable;
349         boolean                         flatshade;
350         boolean                         export_16bpc;
351         unsigned                        nr_cbufs;
352         bool                            alpha_to_one;
353         bool                            multisample_enable;
354         bool                            cb0_is_integer;
355
356         struct u_upload_mgr             *uploader;
357         struct util_slab_mempool        pool_transfers;
358
359         unsigned default_ps_gprs, default_vs_gprs;
360
361         /* States based on r600_atom. */
362         struct list_head                dirty_states;
363         struct r600_command_buffer      start_cs_cmd; /* invariant state mostly */
364         /** Compute specific registers initializations.  The start_cs_cmd atom
365          *  must be emitted before start_compute_cs_cmd. */
366         struct r600_command_buffer      start_compute_cs_cmd;
367         struct r600_surface_sync_cmd    surface_sync_cmd;
368         struct r600_atom                r6xx_flush_and_inv_cmd;
369         struct r600_alphatest_state     alphatest_state;
370         struct r600_cb_misc_state       cb_misc_state;
371         struct r600_db_misc_state       db_misc_state;
372         /** Vertex buffers for fetch shaders */
373         struct r600_vertexbuf_state     vertex_buffer_state;
374         /** Vertex buffers for compute shaders */
375         struct r600_vertexbuf_state     cs_vertex_buffer_state;
376         struct r600_constbuf_state      vs_constbuf_state;
377         struct r600_constbuf_state      ps_constbuf_state;
378         struct r600_textures_info       vs_samplers;
379         struct r600_textures_info       ps_samplers;
380         struct r600_seamless_cube_map   seamless_cube_map;
381         struct r600_cs_shader_state     cs_shader_state;
382
383         struct radeon_winsys_cs *cs;
384
385         struct r600_range       *range;
386         unsigned                nblocks;
387         struct r600_block       **blocks;
388         struct list_head        dirty;
389         struct list_head        enable_list;
390         unsigned                pm4_dirty_cdwords;
391         unsigned                ctx_pm4_ndwords;
392
393         /* The list of active queries. Only one query of each type can be active. */
394         int                     num_occlusion_queries;
395
396         /* Manage queries in two separate groups:
397          * The timer ones and the others (streamout, occlusion).
398          *
399          * We do this because we should only suspend non-timer queries for u_blitter,
400          * and later if the non-timer queries are suspended, the context flush should
401          * only suspend and resume the timer queries. */
402         struct list_head        active_timer_queries;
403         unsigned                num_cs_dw_timer_queries_suspend;
404         struct list_head        active_nontimer_queries;
405         unsigned                num_cs_dw_nontimer_queries_suspend;
406
407         unsigned                num_cs_dw_streamout_end;
408
409         unsigned                backend_mask;
410         unsigned                max_db; /* for OQ */
411         unsigned                flags;
412         boolean                 predicate_drawing;
413
414         unsigned                num_so_targets;
415         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
416         boolean                 streamout_start;
417         unsigned                streamout_append_bitmask;
418
419         /* There is no scissor enable bit on r6xx, so we must use a workaround.
420          * These track the current scissor state. */
421         bool                    scissor_enable;
422         struct pipe_scissor_state scissor_state;
423
424         /* With rasterizer discard, there doesn't have to be a pixel shader.
425          * In that case, we bind this one: */
426         void                    *dummy_pixel_shader;
427
428         boolean                 dual_src_blend;
429
430         /* Index buffer. */
431         struct pipe_index_buffer index_buffer;
432 };
433
434 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
435 {
436         atom->emit(rctx, atom);
437         atom->dirty = false;
438         if (atom->head.next && atom->head.prev)
439                 LIST_DELINIT(&atom->head);
440 }
441
442 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
443 {
444         if (!state->dirty) {
445                 if (state->flags & EMIT_EARLY) {
446                         LIST_ADD(&state->head, &rctx->dirty_states);
447                 } else {
448                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
449                 }
450                 state->dirty = true;
451         }
452 }
453
454 /* evergreen_state.c */
455 void evergreen_init_state_functions(struct r600_context *rctx);
456 void evergreen_init_atom_start_cs(struct r600_context *rctx);
457 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
458 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
459 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
460 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
461 void evergreen_polygon_offset_update(struct r600_context *rctx);
462 boolean evergreen_is_format_supported(struct pipe_screen *screen,
463                                       enum pipe_format format,
464                                       enum pipe_texture_target target,
465                                       unsigned sample_count,
466                                       unsigned usage);
467 void evergreen_init_color_surface(struct r600_context *rctx,
468                                   struct r600_surface *surf);
469 void evergreen_update_dual_export_state(struct r600_context * rctx);
470
471 /* r600_blit.c */
472 void r600_copy_buffer(struct pipe_context *ctx, struct
473                       pipe_resource *dst, unsigned dstx,
474                       struct pipe_resource *src, const struct pipe_box *src_box);
475 void r600_init_blit_functions(struct r600_context *rctx);
476 void r600_blit_uncompress_depth(struct pipe_context *ctx,
477                 struct r600_resource_texture *texture,
478                 struct r600_resource_texture *staging,
479                 unsigned first_level, unsigned last_level,
480                 unsigned first_layer, unsigned last_layer);
481 void r600_flush_depth_textures(struct r600_context *rctx,
482                                struct r600_samplerview_state *textures);
483 /* r600_buffer.c */
484 bool r600_init_resource(struct r600_screen *rscreen,
485                         struct r600_resource *res,
486                         unsigned size, unsigned alignment,
487                         unsigned bind, unsigned usage);
488 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
489                                          const struct pipe_resource *templ);
490
491 /* r600_pipe.c */
492 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
493                 unsigned flags);
494
495 /* r600_query.c */
496 void r600_init_query_functions(struct r600_context *rctx);
497 void r600_suspend_nontimer_queries(struct r600_context *ctx);
498 void r600_resume_nontimer_queries(struct r600_context *ctx);
499 void r600_suspend_timer_queries(struct r600_context *ctx);
500 void r600_resume_timer_queries(struct r600_context *ctx);
501
502 /* r600_resource.c */
503 void r600_init_context_resource_functions(struct r600_context *r600);
504
505 /* r600_shader.c */
506 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
507 #ifdef HAVE_OPENCL
508 int r600_compute_shader_create(struct pipe_context * ctx,
509         LLVMModuleRef mod,  struct r600_bytecode * bytecode);
510 #endif
511 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
512
513 /* r600_state.c */
514 void r600_set_scissor_state(struct r600_context *rctx,
515                             const struct pipe_scissor_state *state);
516 void r600_init_state_functions(struct r600_context *rctx);
517 void r600_init_atom_start_cs(struct r600_context *rctx);
518 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
519 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
520 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
521 void *r600_create_db_flush_dsa(struct r600_context *rctx);
522 void r600_polygon_offset_update(struct r600_context *rctx);
523 void r600_adjust_gprs(struct r600_context *rctx);
524 boolean r600_is_format_supported(struct pipe_screen *screen,
525                                  enum pipe_format format,
526                                  enum pipe_texture_target target,
527                                  unsigned sample_count,
528                                  unsigned usage);
529 void r600_update_dual_export_state(struct r600_context * rctx);
530
531 /* r600_texture.c */
532 void r600_init_screen_texture_functions(struct pipe_screen *screen);
533 void r600_init_surface_functions(struct r600_context *r600);
534 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
535                                   const unsigned char *swizzle_view,
536                                   uint32_t *word4_p, uint32_t *yuv_format_p);
537 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
538                                         unsigned level, unsigned layer);
539
540 /* r600_translate.c */
541 void r600_translate_index_buffer(struct r600_context *r600,
542                                  struct pipe_index_buffer *ib,
543                                  unsigned count);
544
545 /* r600_state_common.c */
546 void r600_init_atom(struct r600_atom *atom,
547                     void (*emit)(struct r600_context *ctx, struct r600_atom *state),
548                     unsigned num_dw, enum r600_atom_flags flags);
549 void r600_init_common_atoms(struct r600_context *rctx);
550 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
551 void r600_texture_barrier(struct pipe_context *ctx);
552 void r600_set_index_buffer(struct pipe_context *ctx,
553                            const struct pipe_index_buffer *ib);
554 void r600_vertex_buffers_dirty(struct r600_context *rctx);
555 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
556                              const struct pipe_vertex_buffer *input);
557 void r600_sampler_views_dirty(struct r600_context *rctx,
558                               struct r600_samplerview_state *state);
559 void r600_set_sampler_views(struct r600_context *rctx,
560                             struct r600_textures_info *dst,
561                             unsigned count,
562                             struct pipe_sampler_view **views);
563 void r600_bind_vs_samplers(struct pipe_context *ctx, unsigned count, void **states);
564 void r600_bind_ps_samplers(struct pipe_context *ctx, unsigned count, void **states);
565 void *r600_create_vertex_elements(struct pipe_context *ctx,
566                                   unsigned count,
567                                   const struct pipe_vertex_element *elements);
568 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
569 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
570 void r600_set_blend_color(struct pipe_context *ctx,
571                           const struct pipe_blend_color *state);
572 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
573 void r600_set_max_scissor(struct r600_context *rctx);
574 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
575 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
576 void r600_sampler_view_destroy(struct pipe_context *ctx,
577                                struct pipe_sampler_view *state);
578 void r600_delete_sampler(struct pipe_context *ctx, void *state);
579 void r600_delete_state(struct pipe_context *ctx, void *state);
580 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
581 void *r600_create_shader_state_ps(struct pipe_context *ctx,
582                    const struct pipe_shader_state *state);
583 void *r600_create_shader_state_vs(struct pipe_context *ctx,
584                    const struct pipe_shader_state *state);
585 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
586 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
587 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
588 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
589 void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
590 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
591                               struct pipe_constant_buffer *cb);
592 struct pipe_stream_output_target *
593 r600_create_so_target(struct pipe_context *ctx,
594                       struct pipe_resource *buffer,
595                       unsigned buffer_offset,
596                       unsigned buffer_size);
597 void r600_so_target_destroy(struct pipe_context *ctx,
598                             struct pipe_stream_output_target *target);
599 void r600_set_so_targets(struct pipe_context *ctx,
600                          unsigned num_targets,
601                          struct pipe_stream_output_target **targets,
602                          unsigned append_bitmask);
603 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
604                                const struct pipe_stencil_ref *state);
605 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
606 uint32_t r600_translate_stencil_op(int s_op);
607 uint32_t r600_translate_fill(uint32_t func);
608 unsigned r600_tex_wrap(unsigned wrap);
609 unsigned r600_tex_filter(unsigned filter);
610 unsigned r600_tex_mipfilter(unsigned filter);
611 unsigned r600_tex_compare(unsigned compare);
612
613 /*
614  * Helpers for building command buffers
615  */
616
617 #define PKT3_SET_CONFIG_REG     0x68
618 #define PKT3_SET_CONTEXT_REG    0x69
619 #define PKT3_SET_CTL_CONST      0x6F
620 #define PKT3_SET_LOOP_CONST                    0x6C
621
622 #define R600_CONFIG_REG_OFFSET  0x08000
623 #define R600_CONTEXT_REG_OFFSET 0x28000
624 #define R600_CTL_CONST_OFFSET   0x3CFF0
625 #define R600_LOOP_CONST_OFFSET                 0X0003E200
626 #define EG_LOOP_CONST_OFFSET               0x0003A200
627
628 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
629 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
630 #define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
631 #define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
632 #define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
633
634 #define RADEON_CP_PACKET3_COMPUTE_MODE 0x00000002
635
636 /*Evergreen Compute packet3*/
637 #define PKT3C(op, count, predicate) (PKT_TYPE_S(3) | PKT3_IT_OPCODE_S(op) | PKT_COUNT_S(count) | PKT3_PREDICATE(predicate) | RADEON_CP_PACKET3_COMPUTE_MODE)
638
639 static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
640 {
641         cb->buf[cb->atom.num_dw++] = value;
642 }
643
644 static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
645 {
646         assert(reg < R600_CONTEXT_REG_OFFSET);
647         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
648         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
649         cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
650 }
651
652 /**
653  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
654  * shaders.
655  */
656 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
657 {
658         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
659         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
660         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
661         cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
662 }
663
664 /**
665  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
666  * shaders.
667  */
668 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
669 {
670         assert(reg >= R600_CTL_CONST_OFFSET);
671         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
672         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
673         cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
674 }
675
676 static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
677 {
678         assert(reg >= R600_LOOP_CONST_OFFSET);
679         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
680         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
681         cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
682 }
683
684 /**
685  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
686  * shaders.
687  */
688 static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
689 {
690         assert(reg >= EG_LOOP_CONST_OFFSET);
691         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
692         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
693         cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
694 }
695
696 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
697 {
698         r600_store_config_reg_seq(cb, reg, 1);
699         r600_store_value(cb, value);
700 }
701
702 static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
703 {
704         r600_store_context_reg_seq(cb, reg, 1);
705         r600_store_value(cb, value);
706 }
707
708 static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
709 {
710         r600_store_ctl_const_seq(cb, reg, 1);
711         r600_store_value(cb, value);
712 }
713
714 static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
715 {
716         r600_store_loop_const_seq(cb, reg, 1);
717         r600_store_value(cb, value);
718 }
719
720 static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
721 {
722         eg_store_loop_const_seq(cb, reg, 1);
723         r600_store_value(cb, value);
724 }
725
726 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
727 void r600_release_command_buffer(struct r600_command_buffer *cb);
728
729 /*
730  * Helpers for emitting state into a command stream directly.
731  */
732
733 static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
734                                              enum radeon_bo_usage usage)
735 {
736         assert(usage);
737         return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
738 }
739
740 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
741 {
742         cs->buf[cs->cdw++] = value;
743 }
744
745 static INLINE void r600_write_array(struct radeon_winsys_cs *cs, unsigned num, unsigned *ptr)
746 {
747         assert(cs->cdw+num <= RADEON_MAX_CMDBUF_DWORDS);
748         memcpy(&cs->buf[cs->cdw], ptr, num * sizeof(ptr[0]));
749         cs->cdw += num;
750 }
751
752 static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
753 {
754         assert(reg < R600_CONTEXT_REG_OFFSET);
755         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
756         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
757         cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
758 }
759
760 static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
761 {
762         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
763         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
764         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
765         cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
766 }
767
768 static INLINE void r600_write_compute_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
769 {
770         r600_write_context_reg_seq(cs, reg, num);
771         /* Set the compute bit on the packet header */
772         cs->buf[cs->cdw - 2] |= RADEON_CP_PACKET3_COMPUTE_MODE;
773 }
774
775 static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
776 {
777         assert(reg >= R600_CTL_CONST_OFFSET);
778         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
779         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
780         cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
781 }
782
783 static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
784 {
785         r600_write_config_reg_seq(cs, reg, 1);
786         r600_write_value(cs, value);
787 }
788
789 static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
790 {
791         r600_write_context_reg_seq(cs, reg, 1);
792         r600_write_value(cs, value);
793 }
794
795 static INLINE void r600_write_compute_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
796 {
797         r600_write_compute_context_reg_seq(cs, reg, 1);
798         r600_write_value(cs, value);
799 }
800
801 static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
802 {
803         r600_write_ctl_const_seq(cs, reg, 1);
804         r600_write_value(cs, value);
805 }
806
807 /*
808  * common helpers
809  */
810 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
811 {
812         return value * (1 << frac_bits);
813 }
814 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
815
816 static inline unsigned r600_tex_aniso_filter(unsigned filter)
817 {
818         if (filter <= 1)   return 0;
819         if (filter <= 2)   return 1;
820         if (filter <= 4)   return 2;
821         if (filter <= 8)   return 3;
822          /* else */        return 4;
823 }
824
825 /* 12.4 fixed-point */
826 static INLINE unsigned r600_pack_float_12p4(float x)
827 {
828         return x <= 0    ? 0 :
829                x >= 4096 ? 0xffff : x * 16;
830 }
831
832 static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
833 {
834         struct r600_screen *rscreen = (struct r600_screen*)screen;
835         struct r600_resource *rresource = (struct r600_resource*)resource;
836
837         return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
838 }
839
840 #endif