Tizen 2.0 Release
[profile/ivi/osmesa.git] / src / gallium / drivers / r300 / r300_context.c
1 /*
2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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 #include "draw/draw_context.h"
24
25 #include "util/u_memory.h"
26 #include "util/u_sampler.h"
27 #include "util/u_simple_list.h"
28 #include "util/u_upload_mgr.h"
29 #include "os/os_time.h"
30
31 #include "r300_cb.h"
32 #include "r300_context.h"
33 #include "r300_emit.h"
34 #include "r300_screen.h"
35 #include "r300_screen_buffer.h"
36
37 static void r300_update_num_contexts(struct r300_screen *r300screen,
38                                      int diff)
39 {
40     pipe_mutex_lock(r300screen->num_contexts_mutex);
41     if (diff > 0) {
42         r300screen->num_contexts++;
43
44         if (r300screen->num_contexts > 1)
45             util_slab_set_thread_safety(&r300screen->pool_buffers,
46                                         UTIL_SLAB_MULTITHREADED);
47     } else {
48         r300screen->num_contexts--;
49
50         if (r300screen->num_contexts <= 1)
51             util_slab_set_thread_safety(&r300screen->pool_buffers,
52                                         UTIL_SLAB_SINGLETHREADED);
53     }
54     pipe_mutex_unlock(r300screen->num_contexts_mutex);
55 }
56
57 static void r300_release_referenced_objects(struct r300_context *r300)
58 {
59     struct pipe_framebuffer_state *fb =
60             (struct pipe_framebuffer_state*)r300->fb_state.state;
61     struct r300_textures_state *textures =
62             (struct r300_textures_state*)r300->textures_state.state;
63     struct r300_query *query, *temp;
64     unsigned i;
65
66     /* Framebuffer state. */
67     util_unreference_framebuffer_state(fb);
68
69     /* Textures. */
70     for (i = 0; i < textures->sampler_view_count; i++)
71         pipe_sampler_view_reference(
72                 (struct pipe_sampler_view**)&textures->sampler_views[i], NULL);
73
74     /* The special dummy texture for texkill. */
75     if (r300->texkill_sampler) {
76         pipe_sampler_view_reference(
77                 (struct pipe_sampler_view**)&r300->texkill_sampler,
78                 NULL);
79     }
80
81     /* Manually-created vertex buffers. */
82     pipe_resource_reference(&r300->dummy_vb, NULL);
83     pipe_resource_reference(&r300->vbo, NULL);
84
85     /* If there are any queries pending or not destroyed, remove them now. */
86     foreach_s(query, temp, &r300->query_list) {
87         remove_from_list(query);
88         FREE(query);
89     }
90
91     r300->context.delete_depth_stencil_alpha_state(&r300->context,
92                                                    r300->dsa_decompress_zmask);
93 }
94
95 static void r300_destroy_context(struct pipe_context* context)
96 {
97     struct r300_context* r300 = r300_context(context);
98
99     if (r300->cs && r300->hyperz_enabled) {
100         r300->rws->cs_request_feature(r300->cs, RADEON_FID_HYPERZ_RAM_ACCESS, FALSE);
101     }
102
103     if (r300->blitter)
104         util_blitter_destroy(r300->blitter);
105     if (r300->draw)
106         draw_destroy(r300->draw);
107
108     if (r300->vbuf_mgr)
109         u_vbuf_destroy(r300->vbuf_mgr);
110
111     /* XXX: This function assumes r300->query_list was initialized */
112     r300_release_referenced_objects(r300);
113
114     if (r300->cs)
115         r300->rws->cs_destroy(r300->cs);
116
117     /* XXX: No way to tell if this was initialized or not? */
118     util_slab_destroy(&r300->pool_transfers);
119
120     r300_update_num_contexts(r300->screen, -1);
121
122     /* Free the structs allocated in r300_setup_atoms() */
123     if (r300->aa_state.state) {
124         FREE(r300->aa_state.state);
125         FREE(r300->blend_color_state.state);
126         FREE(r300->clip_state.state);
127         FREE(r300->fb_state.state);
128         FREE(r300->gpu_flush.state);
129         FREE(r300->hyperz_state.state);
130         FREE(r300->invariant_state.state);
131         FREE(r300->rs_block_state.state);
132         FREE(r300->scissor_state.state);
133         FREE(r300->textures_state.state);
134         FREE(r300->vap_invariant_state.state);
135         FREE(r300->viewport_state.state);
136         FREE(r300->ztop_state.state);
137         FREE(r300->fs_constants.state);
138         FREE(r300->vs_constants.state);
139         if (!r300->screen->caps.has_tcl) {
140             FREE(r300->vertex_stream_state.state);
141         }
142     }
143     FREE(r300);
144 }
145
146 static void r300_flush_callback(void *data, unsigned flags)
147 {
148     struct r300_context* const cs_context_copy = data;
149
150     r300_flush(&cs_context_copy->context, flags, NULL);
151 }
152
153 #define R300_INIT_ATOM(atomname, atomsize) \
154  do { \
155     r300->atomname.name = #atomname; \
156     r300->atomname.state = NULL; \
157     r300->atomname.size = atomsize; \
158     r300->atomname.emit = r300_emit_##atomname; \
159     r300->atomname.dirty = FALSE; \
160  } while (0)
161
162 #define R300_ALLOC_ATOM(atomname, statetype) \
163 do { \
164     r300->atomname.state = CALLOC_STRUCT(statetype); \
165     if (r300->atomname.state == NULL) \
166         return FALSE; \
167 } while (0)
168
169 static boolean r300_setup_atoms(struct r300_context* r300)
170 {
171     boolean is_rv350 = r300->screen->caps.is_rv350;
172     boolean is_r500 = r300->screen->caps.is_r500;
173     boolean has_tcl = r300->screen->caps.has_tcl;
174     boolean drm_2_6_0 = r300->rws->get_value(r300->rws, RADEON_VID_DRM_2_6_0);
175
176     /* Create the actual atom list.
177      *
178      * Some atoms never change size, others change every emit - those have
179      * the size of 0 here.
180      *
181      * NOTE: The framebuffer state is split into these atoms:
182      * - gpu_flush          (unpipelined regs)
183      * - aa_state           (unpipelined regs)
184      * - fb_state           (unpipelined regs)
185      * - hyperz_state       (unpipelined regs followed by pipelined ones)
186      * - fb_state_pipelined (pipelined regs)
187      * The motivation behind this is to be able to emit a strict
188      * subset of the regs, and to have reasonable register ordering. */
189     /* SC, GB (unpipelined), RB3D (unpipelined), ZB (unpipelined). */
190     R300_INIT_ATOM(gpu_flush, 9);
191     R300_INIT_ATOM(aa_state, 4);
192     R300_INIT_ATOM(fb_state, 0);
193     R300_INIT_ATOM(hyperz_state, is_r500 || (is_rv350 && drm_2_6_0) ? 10 : 8);
194     /* ZB (unpipelined), SC. */
195     R300_INIT_ATOM(ztop_state, 2);
196     /* ZB, FG. */
197     R300_INIT_ATOM(dsa_state, is_r500 ? (drm_2_6_0 ? 10 : 8) : 6);
198     /* RB3D. */
199     R300_INIT_ATOM(blend_state, 8);
200     R300_INIT_ATOM(blend_color_state, is_r500 ? 3 : 2);
201     /* SC. */
202     R300_INIT_ATOM(scissor_state, 3);
203     /* GB, FG, GA, SU, SC, RB3D. */
204     R300_INIT_ATOM(invariant_state, 16 + (is_rv350 ? 4 : 0) + (is_r500 ? 4 : 0));
205     /* VAP. */
206     R300_INIT_ATOM(viewport_state, 9);
207     R300_INIT_ATOM(pvs_flush, 2);
208     R300_INIT_ATOM(vap_invariant_state, is_r500 ? 11 : 9);
209     R300_INIT_ATOM(vertex_stream_state, 0);
210     R300_INIT_ATOM(vs_state, 0);
211     R300_INIT_ATOM(vs_constants, 0);
212     R300_INIT_ATOM(clip_state, has_tcl ? 5 + (6 * 4) : 2);
213     /* VAP, RS, GA, GB, SU, SC. */
214     R300_INIT_ATOM(rs_block_state, 0);
215     R300_INIT_ATOM(rs_state, 0);
216     /* SC, US. */
217     R300_INIT_ATOM(fb_state_pipelined, 8);
218     /* US. */
219     R300_INIT_ATOM(fs, 0);
220     R300_INIT_ATOM(fs_rc_constant_state, 0);
221     R300_INIT_ATOM(fs_constants, 0);
222     /* TX. */
223     R300_INIT_ATOM(texture_cache_inval, 2);
224     R300_INIT_ATOM(textures_state, 0);
225     /* HiZ Clear */
226     R300_INIT_ATOM(hiz_clear, r300->screen->caps.hiz_ram > 0 ? 4 : 0);
227     /* zmask clear */
228     R300_INIT_ATOM(zmask_clear, r300->screen->caps.zmask_ram > 0 ? 4 : 0);
229     /* ZB (unpipelined), SU. */
230     R300_INIT_ATOM(query_start, 4);
231
232     /* Replace emission functions for r500. */
233     if (is_r500) {
234         r300->fs.emit = r500_emit_fs;
235         r300->fs_rc_constant_state.emit = r500_emit_fs_rc_constant_state;
236         r300->fs_constants.emit = r500_emit_fs_constants;
237     }
238
239     /* Some non-CSO atoms need explicit space to store the state locally. */
240     R300_ALLOC_ATOM(aa_state, r300_aa_state);
241     R300_ALLOC_ATOM(blend_color_state, r300_blend_color_state);
242     R300_ALLOC_ATOM(clip_state, r300_clip_state);
243     R300_ALLOC_ATOM(hyperz_state, r300_hyperz_state);
244     R300_ALLOC_ATOM(invariant_state, r300_invariant_state);
245     R300_ALLOC_ATOM(textures_state, r300_textures_state);
246     R300_ALLOC_ATOM(vap_invariant_state, r300_vap_invariant_state);
247     R300_ALLOC_ATOM(viewport_state, r300_viewport_state);
248     R300_ALLOC_ATOM(ztop_state, r300_ztop_state);
249     R300_ALLOC_ATOM(fb_state, pipe_framebuffer_state);
250     R300_ALLOC_ATOM(gpu_flush, pipe_framebuffer_state);
251     R300_ALLOC_ATOM(scissor_state, pipe_scissor_state);
252     R300_ALLOC_ATOM(rs_block_state, r300_rs_block);
253     R300_ALLOC_ATOM(fs_constants, r300_constant_buffer);
254     R300_ALLOC_ATOM(vs_constants, r300_constant_buffer);
255     if (!r300->screen->caps.has_tcl) {
256         R300_ALLOC_ATOM(vertex_stream_state, r300_vertex_stream_state);
257     }
258
259     /* Some non-CSO atoms don't use the state pointer. */
260     r300->fb_state_pipelined.allow_null_state = TRUE;
261     r300->fs_rc_constant_state.allow_null_state = TRUE;
262     r300->pvs_flush.allow_null_state = TRUE;
263     r300->query_start.allow_null_state = TRUE;
264     r300->texture_cache_inval.allow_null_state = TRUE;
265
266     /* Some states must be marked as dirty here to properly set up
267      * hardware in the first command stream. */
268     r300_mark_atom_dirty(r300, &r300->invariant_state);
269     r300_mark_atom_dirty(r300, &r300->pvs_flush);
270     r300_mark_atom_dirty(r300, &r300->vap_invariant_state);
271     r300_mark_atom_dirty(r300, &r300->texture_cache_inval);
272     r300_mark_atom_dirty(r300, &r300->textures_state);
273
274     return TRUE;
275 }
276
277 /* Not every state tracker calls every driver function before the first draw
278  * call and we must initialize the command buffers somehow. */
279 static void r300_init_states(struct pipe_context *pipe)
280 {
281     struct r300_context *r300 = r300_context(pipe);
282     struct pipe_blend_color bc = {{0}};
283     struct pipe_clip_state cs = {{{0}}};
284     struct pipe_scissor_state ss = {0};
285     struct r300_clip_state *clip =
286             (struct r300_clip_state*)r300->clip_state.state;
287     struct r300_gpu_flush *gpuflush =
288             (struct r300_gpu_flush*)r300->gpu_flush.state;
289     struct r300_vap_invariant_state *vap_invariant =
290             (struct r300_vap_invariant_state*)r300->vap_invariant_state.state;
291     struct r300_invariant_state *invariant =
292             (struct r300_invariant_state*)r300->invariant_state.state;
293
294     CB_LOCALS;
295
296     pipe->set_blend_color(pipe, &bc);
297     pipe->set_scissor_state(pipe, &ss);
298
299     /* Initialize the clip state. */
300     if (r300->screen->caps.has_tcl) {
301         pipe->set_clip_state(pipe, &cs);
302     } else {
303         BEGIN_CB(clip->cb, 2);
304         OUT_CB_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE);
305         END_CB;
306     }
307
308     /* Initialize the GPU flush. */
309     {
310         BEGIN_CB(gpuflush->cb_flush_clean, 6);
311
312         /* Flush and free renderbuffer caches. */
313         OUT_CB_REG(R300_RB3D_DSTCACHE_CTLSTAT,
314             R300_RB3D_DSTCACHE_CTLSTAT_DC_FREE_FREE_3D_TAGS |
315             R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D);
316         OUT_CB_REG(R300_ZB_ZCACHE_CTLSTAT,
317             R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
318             R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
319
320         /* Wait until the GPU is idle.
321          * This fixes random pixels sometimes appearing probably caused
322          * by incomplete rendering. */
323         OUT_CB_REG(RADEON_WAIT_UNTIL, RADEON_WAIT_3D_IDLECLEAN);
324         END_CB;
325     }
326
327     /* Initialize the VAP invariant state. */
328     {
329         BEGIN_CB(vap_invariant->cb, r300->vap_invariant_state.size);
330         OUT_CB_REG(VAP_PVS_VTX_TIMEOUT_REG, 0xffff);
331         OUT_CB_REG_SEQ(R300_VAP_GB_VERT_CLIP_ADJ, 4);
332         OUT_CB_32F(1.0);
333         OUT_CB_32F(1.0);
334         OUT_CB_32F(1.0);
335         OUT_CB_32F(1.0);
336         OUT_CB_REG(R300_VAP_PSC_SGN_NORM_CNTL, R300_SGN_NORM_NO_ZERO);
337
338         if (r300->screen->caps.is_r500) {
339             OUT_CB_REG(R500_VAP_TEX_TO_COLOR_CNTL, 0);
340         }
341         END_CB;
342     }
343
344     /* Initialize the invariant state. */
345     {
346         BEGIN_CB(invariant->cb, r300->invariant_state.size);
347         OUT_CB_REG(R300_GB_SELECT, 0);
348         OUT_CB_REG(R300_FG_FOG_BLEND, 0);
349         OUT_CB_REG(R300_GA_OFFSET, 0);
350         OUT_CB_REG(R300_SU_TEX_WRAP, 0);
351         OUT_CB_REG(R300_SU_DEPTH_SCALE, 0x4B7FFFFF);
352         OUT_CB_REG(R300_SU_DEPTH_OFFSET, 0);
353         OUT_CB_REG(R300_SC_EDGERULE, 0x2DA49525);
354         OUT_CB_REG(R300_SC_SCREENDOOR, 0xffffff);
355
356         if (r300->screen->caps.is_rv350) {
357             OUT_CB_REG(R500_RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD, 0x01010101);
358             OUT_CB_REG(R500_RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD, 0xFEFEFEFE);
359         }
360
361         if (r300->screen->caps.is_r500) {
362             OUT_CB_REG(R500_GA_COLOR_CONTROL_PS3, 0);
363             OUT_CB_REG(R500_SU_TEX_WRAP_PS3, 0);
364         }
365         END_CB;
366     }
367
368     /* Initialize the hyperz state. */
369     {
370         struct r300_hyperz_state *hyperz =
371             (struct r300_hyperz_state*)r300->hyperz_state.state;
372         BEGIN_CB(&hyperz->cb_flush_begin, r300->hyperz_state.size);
373         OUT_CB_REG(R300_ZB_ZCACHE_CTLSTAT,
374                    R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE);
375         OUT_CB_REG(R300_ZB_BW_CNTL, 0);
376         OUT_CB_REG(R300_ZB_DEPTHCLEARVALUE, 0);
377         OUT_CB_REG(R300_SC_HYPERZ, R300_SC_HYPERZ_ADJ_2);
378
379         if (r300->screen->caps.is_r500 ||
380             (r300->screen->caps.is_rv350 &&
381              r300->rws->get_value(r300->rws, RADEON_VID_DRM_2_6_0))) {
382             OUT_CB_REG(R300_GB_Z_PEQ_CONFIG, 0);
383         }
384         END_CB;
385     }
386 }
387
388 struct pipe_context* r300_create_context(struct pipe_screen* screen,
389                                          void *priv)
390 {
391     struct r300_context* r300 = CALLOC_STRUCT(r300_context);
392     struct r300_screen* r300screen = r300_screen(screen);
393     struct radeon_winsys *rws = r300screen->rws;
394
395     if (!r300)
396         return NULL;
397
398     r300_update_num_contexts(r300screen, 1);
399
400     r300->rws = rws;
401     r300->screen = r300screen;
402
403     r300->context.winsys = (struct pipe_winsys*)rws;
404     r300->context.screen = screen;
405     r300->context.priv = priv;
406
407     r300->context.destroy = r300_destroy_context;
408
409     make_empty_list(&r300->query_list);
410
411     util_slab_create(&r300->pool_transfers,
412                      sizeof(struct pipe_transfer), 64,
413                      UTIL_SLAB_SINGLETHREADED);
414
415     r300->cs = rws->cs_create(rws);
416     if (r300->cs == NULL)
417         goto fail;
418
419     if (!r300screen->caps.has_tcl) {
420         /* Create a Draw. This is used for SW TCL. */
421         r300->draw = draw_create(&r300->context);
422         if (r300->draw == NULL)
423             goto fail;
424         /* Enable our renderer. */
425         draw_set_rasterize_stage(r300->draw, r300_draw_stage(r300));
426         /* Disable converting points/lines to triangles. */
427         draw_wide_line_threshold(r300->draw, 10000000.f);
428         draw_wide_point_threshold(r300->draw, 10000000.f);
429     }
430
431     if (!r300_setup_atoms(r300))
432         goto fail;
433
434     r300_init_blit_functions(r300);
435     r300_init_flush_functions(r300);
436     r300_init_query_functions(r300);
437     r300_init_state_functions(r300);
438     r300_init_resource_functions(r300);
439
440     r300->vbuf_mgr = u_vbuf_create(&r300->context, 1024 * 1024, 16,
441                                        PIPE_BIND_VERTEX_BUFFER |
442                                        PIPE_BIND_INDEX_BUFFER,
443                                        U_VERTEX_FETCH_DWORD_ALIGNED);
444     if (!r300->vbuf_mgr)
445         goto fail;
446
447     r300->blitter = util_blitter_create(&r300->context);
448     if (r300->blitter == NULL)
449         goto fail;
450
451     /* Render functions must be initialized after blitter. */
452     r300_init_render_functions(r300);
453     r300_init_states(&r300->context);
454
455     rws->cs_set_flush(r300->cs, r300_flush_callback, r300);
456
457     /* The KIL opcode needs the first texture unit to be enabled
458      * on r3xx-r4xx. In order to calm down the CS checker, we bind this
459      * dummy texture there. */
460     if (!r300->screen->caps.is_r500) {
461         struct pipe_resource *tex;
462         struct pipe_resource rtempl = {{0}};
463         struct pipe_sampler_view vtempl = {{0}};
464
465         rtempl.target = PIPE_TEXTURE_2D;
466         rtempl.format = PIPE_FORMAT_I8_UNORM;
467         rtempl.bind = PIPE_BIND_SAMPLER_VIEW;
468         rtempl.usage = PIPE_USAGE_IMMUTABLE;
469         rtempl.width0 = 1;
470         rtempl.height0 = 1;
471         rtempl.depth0 = 1;
472         tex = screen->resource_create(screen, &rtempl);
473
474         u_sampler_view_default_template(&vtempl, tex, tex->format);
475
476         r300->texkill_sampler = (struct r300_sampler_view*)
477             r300->context.create_sampler_view(&r300->context, tex, &vtempl);
478
479         pipe_resource_reference(&tex, NULL);
480     }
481
482     {
483         struct pipe_resource vb;
484         memset(&vb, 0, sizeof(vb));
485         vb.target = PIPE_BUFFER;
486         vb.format = PIPE_FORMAT_R8_UNORM;
487         vb.bind = PIPE_BIND_VERTEX_BUFFER;
488         vb.usage = PIPE_USAGE_IMMUTABLE;
489         vb.width0 = sizeof(float) * 16;
490         vb.height0 = 1;
491         vb.depth0 = 1;
492
493         r300->dummy_vb = screen->resource_create(screen, &vb);
494     }
495
496     {
497         struct pipe_depth_stencil_alpha_state dsa;
498         memset(&dsa, 0, sizeof(dsa));
499         dsa.depth.writemask = 1;
500
501         r300->dsa_decompress_zmask =
502             r300->context.create_depth_stencil_alpha_state(&r300->context,
503                                                            &dsa);
504     }
505
506     r300->hyperz_time_of_last_flush = os_time_get();
507
508     /* Print driver info. */
509 #ifdef DEBUG
510     {
511 #else
512     if (DBG_ON(r300, DBG_INFO)) {
513 #endif
514         fprintf(stderr,
515                 "r300: DRM version: %d.%d.%d, Name: %s, ID: 0x%04x, GB: %d, Z: %d\n"
516                 "r300: GART size: %d MB, VRAM size: %d MB\n"
517                 "r300: AA compression RAM: %s, Z compression RAM: %s, HiZ RAM: %s\n",
518                 rws->get_value(rws, RADEON_VID_DRM_MAJOR),
519                 rws->get_value(rws, RADEON_VID_DRM_MINOR),
520                 rws->get_value(rws, RADEON_VID_DRM_PATCHLEVEL),
521                 screen->get_name(screen),
522                 rws->get_value(rws, RADEON_VID_PCI_ID),
523                 rws->get_value(rws, RADEON_VID_R300_GB_PIPES),
524                 rws->get_value(rws, RADEON_VID_R300_Z_PIPES),
525                 rws->get_value(rws, RADEON_VID_GART_SIZE) >> 20,
526                 rws->get_value(rws, RADEON_VID_VRAM_SIZE) >> 20,
527                 "YES", /* XXX really? */
528                 r300->screen->caps.zmask_ram ? "YES" : "NO",
529                 r300->screen->caps.hiz_ram ? "YES" : "NO");
530     }
531
532     return &r300->context;
533
534 fail:
535     r300_destroy_context(&r300->context);
536     return NULL;
537 }