r600g: don't check the R600_GLSL130 env var
[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         uint32_t                        dirty_mask;
282 };
283
284 struct r600_context {
285         struct pipe_context             context;
286         struct blitter_context          *blitter;
287         enum radeon_family              family;
288         enum chip_class                 chip_class;
289         boolean                         has_vertex_cache;
290         unsigned                        r6xx_num_clause_temp_gprs;
291         void                            *custom_dsa_flush;
292         struct r600_screen              *screen;
293         struct radeon_winsys            *ws;
294         struct r600_pipe_state          *states[R600_PIPE_NSTATES];
295         struct r600_vertex_element      *vertex_elements;
296         struct pipe_framebuffer_state   framebuffer;
297         unsigned                        compute_cb_target_mask;
298         unsigned                        sx_alpha_test_control;
299         unsigned                        db_shader_control;
300         unsigned                        pa_sc_line_stipple;
301         unsigned                        pa_cl_clip_cntl;
302         /* for saving when using blitter */
303         struct pipe_stencil_ref         stencil_ref;
304         struct pipe_viewport_state      viewport;
305         struct pipe_clip_state          clip;
306         struct r600_pipe_shader_selector        *ps_shader;
307         struct r600_pipe_shader_selector        *vs_shader;
308         struct r600_pipe_compute        *cs_shader;
309         struct r600_pipe_rasterizer     *rasterizer;
310         struct r600_pipe_state          vgt;
311         struct r600_pipe_state          spi;
312         struct pipe_query               *current_render_cond;
313         unsigned                        current_render_cond_mode;
314         struct pipe_query               *saved_render_cond;
315         unsigned                        saved_render_cond_mode;
316         /* shader information */
317         boolean                         two_side;
318         boolean                         spi_dirty;
319         unsigned                        sprite_coord_enable;
320         boolean                         flatshade;
321         boolean                         export_16bpc;
322         unsigned                        alpha_ref;
323         boolean                         alpha_ref_dirty;
324         unsigned                        nr_cbufs;
325         struct r600_textures_info       vs_samplers;
326         struct r600_textures_info       ps_samplers;
327
328         struct u_upload_mgr             *uploader;
329         struct util_slab_mempool        pool_transfers;
330         boolean                         have_depth_texture, have_depth_fb;
331
332         unsigned default_ps_gprs, default_vs_gprs;
333
334         /* States based on r600_atom. */
335         struct list_head                dirty_states;
336         struct r600_command_buffer      start_cs_cmd; /* invariant state mostly */
337         /** Compute specific registers initializations.  The start_cs_cmd atom
338          *  must be emitted before start_compute_cs_cmd. */
339         struct r600_command_buffer      start_compute_cs_cmd;
340         struct r600_surface_sync_cmd    surface_sync_cmd;
341         struct r600_atom                r6xx_flush_and_inv_cmd;
342         struct r600_cb_misc_state       cb_misc_state;
343         struct r600_db_misc_state       db_misc_state;
344         /** Vertex buffers for fetch shaders */
345         struct r600_vertexbuf_state     vertex_buffer_state;
346         /** Vertex buffers for compute shaders */
347         struct r600_vertexbuf_state     cs_vertex_buffer_state;
348         struct r600_constbuf_state      vs_constbuf_state;
349         struct r600_constbuf_state      ps_constbuf_state;
350
351         struct radeon_winsys_cs *cs;
352
353         struct r600_range       *range;
354         unsigned                nblocks;
355         struct r600_block       **blocks;
356         struct list_head        dirty;
357         struct list_head        resource_dirty;
358         struct list_head        enable_list;
359         unsigned                pm4_dirty_cdwords;
360         unsigned                ctx_pm4_ndwords;
361
362         /* The list of active queries. Only one query of each type can be active. */
363         int                     num_occlusion_queries;
364
365         /* Manage queries in two separate groups:
366          * The timer ones and the others (streamout, occlusion).
367          *
368          * We do this because we should only suspend non-timer queries for u_blitter,
369          * and later if the non-timer queries are suspended, the context flush should
370          * only suspend and resume the timer queries. */
371         struct list_head        active_timer_queries;
372         unsigned                num_cs_dw_timer_queries_suspend;
373         struct list_head        active_nontimer_queries;
374         unsigned                num_cs_dw_nontimer_queries_suspend;
375
376         unsigned                num_cs_dw_streamout_end;
377
378         unsigned                backend_mask;
379         unsigned                max_db; /* for OQ */
380         unsigned                flags;
381         boolean                 predicate_drawing;
382         struct r600_range       ps_resources;
383         struct r600_range       vs_resources;
384         int                     num_ps_resources, num_vs_resources;
385
386         unsigned                num_so_targets;
387         struct r600_so_target   *so_targets[PIPE_MAX_SO_BUFFERS];
388         boolean                 streamout_start;
389         unsigned                streamout_append_bitmask;
390
391         /* There is no scissor enable bit on r6xx, so we must use a workaround.
392          * These track the current scissor state. */
393         bool                    scissor_enable;
394         struct pipe_scissor_state scissor_state;
395
396         /* With rasterizer discard, there doesn't have to be a pixel shader.
397          * In that case, we bind this one: */
398         void                    *dummy_pixel_shader;
399
400         boolean                 dual_src_blend;
401
402         /* Vertex and index buffers. */
403         bool                    vertex_buffers_dirty;
404         struct pipe_index_buffer index_buffer;
405         struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
406         unsigned                nr_vertex_buffers;
407         struct pipe_vertex_buffer cs_vertex_buffer[PIPE_MAX_ATTRIBS];
408         unsigned                nr_cs_vertex_buffers;
409 };
410
411 static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
412 {
413         atom->emit(rctx, atom);
414         atom->dirty = false;
415         if (atom->head.next && atom->head.prev)
416                 LIST_DELINIT(&atom->head);
417 }
418
419 static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
420 {
421         if (!state->dirty) {
422                 if (state->flags & EMIT_EARLY) {
423                         LIST_ADD(&state->head, &rctx->dirty_states);
424                 } else {
425                         LIST_ADDTAIL(&state->head, &rctx->dirty_states);
426                 }
427                 state->dirty = true;
428         }
429 }
430
431 /* evergreen_state.c */
432 void evergreen_init_state_functions(struct r600_context *rctx);
433 void evergreen_init_atom_start_cs(struct r600_context *rctx);
434 void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
435 void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
436 void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
437 void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
438 void evergreen_polygon_offset_update(struct r600_context *rctx);
439 boolean evergreen_is_format_supported(struct pipe_screen *screen,
440                                       enum pipe_format format,
441                                       enum pipe_texture_target target,
442                                       unsigned sample_count,
443                                       unsigned usage);
444 void evergreen_cb(struct r600_context *rctx, struct r600_pipe_state *rstate,
445                          const struct pipe_framebuffer_state *state, int cb);
446
447
448 void evergreen_update_dual_export_state(struct r600_context * rctx);
449
450 /* r600_blit.c */
451 void r600_init_blit_functions(struct r600_context *rctx);
452 void r600_blit_uncompress_depth(struct pipe_context *ctx,
453                 struct r600_resource_texture *texture,
454                 struct r600_resource_texture *staging,
455                 unsigned first_level, unsigned last_level,
456                 unsigned first_layer, unsigned last_layer);
457 void r600_flush_all_depth_textures(struct r600_context *rctx);
458
459 /* r600_buffer.c */
460 bool r600_init_resource(struct r600_screen *rscreen,
461                         struct r600_resource *res,
462                         unsigned size, unsigned alignment,
463                         unsigned bind, unsigned usage);
464 struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
465                                          const struct pipe_resource *templ);
466
467 /* r600_pipe.c */
468 void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
469                 unsigned flags);
470
471 /* r600_query.c */
472 void r600_init_query_functions(struct r600_context *rctx);
473 void r600_suspend_nontimer_queries(struct r600_context *ctx);
474 void r600_resume_nontimer_queries(struct r600_context *ctx);
475 void r600_suspend_timer_queries(struct r600_context *ctx);
476 void r600_resume_timer_queries(struct r600_context *ctx);
477
478 /* r600_resource.c */
479 void r600_init_context_resource_functions(struct r600_context *r600);
480
481 /* r600_shader.c */
482 int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
483 #ifdef HAVE_OPENCL
484 int r600_compute_shader_create(struct pipe_context * ctx,
485         LLVMModuleRef mod,  struct r600_bytecode * bytecode);
486 #endif
487 void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
488
489 /* r600_state.c */
490 void r600_set_scissor_state(struct r600_context *rctx,
491                             const struct pipe_scissor_state *state);
492 void r600_update_sampler_states(struct r600_context *rctx);
493 void r600_init_state_functions(struct r600_context *rctx);
494 void r600_init_atom_start_cs(struct r600_context *rctx);
495 void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
496 void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
497 void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
498 void *r600_create_db_flush_dsa(struct r600_context *rctx);
499 void r600_polygon_offset_update(struct r600_context *rctx);
500 void r600_adjust_gprs(struct r600_context *rctx);
501 boolean r600_is_format_supported(struct pipe_screen *screen,
502                                  enum pipe_format format,
503                                  enum pipe_texture_target target,
504                                  unsigned sample_count,
505                                  unsigned usage);
506 void r600_update_dual_export_state(struct r600_context * rctx);
507
508 /* r600_texture.c */
509 void r600_init_screen_texture_functions(struct pipe_screen *screen);
510 void r600_init_surface_functions(struct r600_context *r600);
511 uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
512                                   const unsigned char *swizzle_view,
513                                   uint32_t *word4_p, uint32_t *yuv_format_p);
514 unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
515                                         unsigned level, unsigned layer);
516
517 /* r600_translate.c */
518 void r600_translate_index_buffer(struct r600_context *r600,
519                                  struct pipe_index_buffer *ib,
520                                  unsigned count);
521
522 /* r600_state_common.c */
523 void r600_init_atom(struct r600_atom *atom,
524                     void (*emit)(struct r600_context *ctx, struct r600_atom *state),
525                     unsigned num_dw, enum r600_atom_flags flags);
526 void r600_init_common_atoms(struct r600_context *rctx);
527 unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
528 void r600_texture_barrier(struct pipe_context *ctx);
529 void r600_set_index_buffer(struct pipe_context *ctx,
530                            const struct pipe_index_buffer *ib);
531 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
532                              const struct pipe_vertex_buffer *buffers);
533 void *r600_create_vertex_elements(struct pipe_context *ctx,
534                                   unsigned count,
535                                   const struct pipe_vertex_element *elements);
536 void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
537 void r600_bind_blend_state(struct pipe_context *ctx, void *state);
538 void r600_set_blend_color(struct pipe_context *ctx,
539                           const struct pipe_blend_color *state);
540 void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
541 void r600_set_max_scissor(struct r600_context *rctx);
542 void r600_bind_rs_state(struct pipe_context *ctx, void *state);
543 void r600_delete_rs_state(struct pipe_context *ctx, void *state);
544 void r600_sampler_view_destroy(struct pipe_context *ctx,
545                                struct pipe_sampler_view *state);
546 void r600_delete_state(struct pipe_context *ctx, void *state);
547 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
548 void *r600_create_shader_state_ps(struct pipe_context *ctx,
549                    const struct pipe_shader_state *state);
550 void *r600_create_shader_state_vs(struct pipe_context *ctx,
551                    const struct pipe_shader_state *state);
552 void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
553 void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
554 void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
555 void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
556 void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state);
557 void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
558                               struct pipe_constant_buffer *cb);
559 struct pipe_stream_output_target *
560 r600_create_so_target(struct pipe_context *ctx,
561                       struct pipe_resource *buffer,
562                       unsigned buffer_offset,
563                       unsigned buffer_size);
564 void r600_so_target_destroy(struct pipe_context *ctx,
565                             struct pipe_stream_output_target *target);
566 void r600_set_so_targets(struct pipe_context *ctx,
567                          unsigned num_targets,
568                          struct pipe_stream_output_target **targets,
569                          unsigned append_bitmask);
570 void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
571                                const struct pipe_stencil_ref *state);
572 void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
573 uint32_t r600_translate_stencil_op(int s_op);
574 uint32_t r600_translate_fill(uint32_t func);
575 unsigned r600_tex_wrap(unsigned wrap);
576 unsigned r600_tex_filter(unsigned filter);
577 unsigned r600_tex_mipfilter(unsigned filter);
578 unsigned r600_tex_compare(unsigned compare);
579
580 /*
581  * Helpers for building command buffers
582  */
583
584 #define PKT3_SET_CONFIG_REG     0x68
585 #define PKT3_SET_CONTEXT_REG    0x69
586 #define PKT3_SET_CTL_CONST      0x6F
587 #define PKT3_SET_LOOP_CONST                    0x6C
588
589 #define R600_CONFIG_REG_OFFSET  0x08000
590 #define R600_CONTEXT_REG_OFFSET 0x28000
591 #define R600_CTL_CONST_OFFSET   0x3CFF0
592 #define R600_LOOP_CONST_OFFSET                 0X0003E200
593 #define EG_LOOP_CONST_OFFSET               0x0003A200
594
595 #define PKT_TYPE_S(x)                   (((x) & 0x3) << 30)
596 #define PKT_COUNT_S(x)                  (((x) & 0x3FFF) << 16)
597 #define PKT3_IT_OPCODE_S(x)             (((x) & 0xFF) << 8)
598 #define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
599 #define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))
600
601 static INLINE void r600_store_value(struct r600_command_buffer *cb, unsigned value)
602 {
603         cb->buf[cb->atom.num_dw++] = value;
604 }
605
606 static INLINE void r600_store_config_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
607 {
608         assert(reg < R600_CONTEXT_REG_OFFSET);
609         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
610         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
611         cb->buf[cb->atom.num_dw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
612 }
613
614 /**
615  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
616  * shaders.
617  */
618 static INLINE void r600_store_context_reg_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
619 {
620         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
621         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
622         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0) | cb->pkt_flags;
623         cb->buf[cb->atom.num_dw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
624 }
625
626 /**
627  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
628  * shaders.
629  */
630 static INLINE void r600_store_ctl_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
631 {
632         assert(reg >= R600_CTL_CONST_OFFSET);
633         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
634         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_CTL_CONST, num, 0) | cb->pkt_flags;
635         cb->buf[cb->atom.num_dw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
636 }
637
638 static INLINE void r600_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
639 {
640         assert(reg >= R600_LOOP_CONST_OFFSET);
641         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
642         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0);
643         cb->buf[cb->atom.num_dw++] = (reg - R600_LOOP_CONST_OFFSET) >> 2;
644 }
645
646 /**
647  * Needs cb->pkt_flags set to  RADEON_CP_PACKET3_COMPUTE_MODE for compute
648  * shaders.
649  */
650 static INLINE void eg_store_loop_const_seq(struct r600_command_buffer *cb, unsigned reg, unsigned num)
651 {
652         assert(reg >= EG_LOOP_CONST_OFFSET);
653         assert(cb->atom.num_dw+2+num <= cb->max_num_dw);
654         cb->buf[cb->atom.num_dw++] = PKT3(PKT3_SET_LOOP_CONST, num, 0) | cb->pkt_flags;
655         cb->buf[cb->atom.num_dw++] = (reg - EG_LOOP_CONST_OFFSET) >> 2;
656 }
657
658 static INLINE void r600_store_config_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
659 {
660         r600_store_config_reg_seq(cb, reg, 1);
661         r600_store_value(cb, value);
662 }
663
664 static INLINE void r600_store_context_reg(struct r600_command_buffer *cb, unsigned reg, unsigned value)
665 {
666         r600_store_context_reg_seq(cb, reg, 1);
667         r600_store_value(cb, value);
668 }
669
670 static INLINE void r600_store_ctl_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
671 {
672         r600_store_ctl_const_seq(cb, reg, 1);
673         r600_store_value(cb, value);
674 }
675
676 static INLINE void r600_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
677 {
678         r600_store_loop_const_seq(cb, reg, 1);
679         r600_store_value(cb, value);
680 }
681
682 static INLINE void eg_store_loop_const(struct r600_command_buffer *cb, unsigned reg, unsigned value)
683 {
684         eg_store_loop_const_seq(cb, reg, 1);
685         r600_store_value(cb, value);
686 }
687
688 void r600_init_command_buffer(struct r600_command_buffer *cb, unsigned num_dw, enum r600_atom_flags flags);
689 void r600_release_command_buffer(struct r600_command_buffer *cb);
690
691 /*
692  * Helpers for emitting state into a command stream directly.
693  */
694
695 static INLINE unsigned r600_context_bo_reloc(struct r600_context *ctx, struct r600_resource *rbo,
696                                              enum radeon_bo_usage usage)
697 {
698         assert(usage);
699         return ctx->ws->cs_add_reloc(ctx->cs, rbo->cs_buf, usage, rbo->domains) * 4;
700 }
701
702 static INLINE void r600_write_value(struct radeon_winsys_cs *cs, unsigned value)
703 {
704         cs->buf[cs->cdw++] = value;
705 }
706
707 static INLINE void r600_write_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
708 {
709         assert(reg < R600_CONTEXT_REG_OFFSET);
710         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
711         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONFIG_REG, num, 0);
712         cs->buf[cs->cdw++] = (reg - R600_CONFIG_REG_OFFSET) >> 2;
713 }
714
715 static INLINE void r600_write_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
716 {
717         assert(reg >= R600_CONTEXT_REG_OFFSET && reg < R600_CTL_CONST_OFFSET);
718         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
719         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CONTEXT_REG, num, 0);
720         cs->buf[cs->cdw++] = (reg - R600_CONTEXT_REG_OFFSET) >> 2;
721 }
722
723 static INLINE void r600_write_ctl_const_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
724 {
725         assert(reg >= R600_CTL_CONST_OFFSET);
726         assert(cs->cdw+2+num <= RADEON_MAX_CMDBUF_DWORDS);
727         cs->buf[cs->cdw++] = PKT3(PKT3_SET_CTL_CONST, num, 0);
728         cs->buf[cs->cdw++] = (reg - R600_CTL_CONST_OFFSET) >> 2;
729 }
730
731 static INLINE void r600_write_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
732 {
733         r600_write_config_reg_seq(cs, reg, 1);
734         r600_write_value(cs, value);
735 }
736
737 static INLINE void r600_write_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
738 {
739         r600_write_context_reg_seq(cs, reg, 1);
740         r600_write_value(cs, value);
741 }
742
743 static INLINE void r600_write_ctl_const(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
744 {
745         r600_write_ctl_const_seq(cs, reg, 1);
746         r600_write_value(cs, value);
747 }
748
749 /*
750  * common helpers
751  */
752 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
753 {
754         return value * (1 << frac_bits);
755 }
756 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
757
758 static inline unsigned r600_tex_aniso_filter(unsigned filter)
759 {
760         if (filter <= 1)   return 0;
761         if (filter <= 2)   return 1;
762         if (filter <= 4)   return 2;
763         if (filter <= 8)   return 3;
764          /* else */        return 4;
765 }
766
767 /* 12.4 fixed-point */
768 static INLINE unsigned r600_pack_float_12p4(float x)
769 {
770         return x <= 0    ? 0 :
771                x >= 4096 ? 0xffff : x * 16;
772 }
773
774 static INLINE uint64_t r600_resource_va(struct pipe_screen *screen, struct pipe_resource *resource)
775 {
776         struct r600_screen *rscreen = (struct r600_screen*)screen;
777         struct r600_resource *rresource = (struct r600_resource*)resource;
778
779         return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
780 }
781
782 #endif