rbug: remove set-but-unused variables
[mesa.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
30 #include "r300_cb.h"
31 #include "r300_context.h"
32 #include "r300_emit.h"
33 #include "r300_screen.h"
34 #include "r300_screen_buffer.h"
35
36 static void r300_update_num_contexts(struct r300_screen *r300screen,
37 int diff)
38 {
39 pipe_mutex_lock(r300screen->num_contexts_mutex);
40 if (diff > 0) {
41 r300screen->num_contexts++;
42
43 if (r300screen->num_contexts > 1)
44 util_slab_set_thread_safety(&r300screen->pool_buffers,
45 UTIL_SLAB_MULTITHREADED);
46 } else {
47 r300screen->num_contexts--;
48
49 if (r300screen->num_contexts <= 1)
50 util_slab_set_thread_safety(&r300screen->pool_buffers,
51 UTIL_SLAB_SINGLETHREADED);
52 }
53 pipe_mutex_unlock(r300screen->num_contexts_mutex);
54 }
55
56 static void r300_release_referenced_objects(struct r300_context *r300)
57 {
58 struct pipe_framebuffer_state *fb =
59 (struct pipe_framebuffer_state*)r300->fb_state.state;
60 struct r300_textures_state *textures =
61 (struct r300_textures_state*)r300->textures_state.state;
62 struct r300_query *query, *temp;
63 unsigned i;
64
65 /* Framebuffer state. */
66 util_unreference_framebuffer_state(fb);
67
68 /* Textures. */
69 for (i = 0; i < textures->sampler_view_count; i++)
70 pipe_sampler_view_reference(
71 (struct pipe_sampler_view**)&textures->sampler_views[i], NULL);
72
73 /* The special dummy texture for texkill. */
74 if (r300->texkill_sampler) {
75 pipe_sampler_view_reference(
76 (struct pipe_sampler_view**)&r300->texkill_sampler,
77 NULL);
78 }
79
80 /* Manually-created vertex buffers. */
81 pipe_resource_reference(&r300->dummy_vb, NULL);
82 pipe_resource_reference(&r300->vbo, NULL);
83
84 /* If there are any queries pending or not destroyed, remove them now. */
85 foreach_s(query, temp, &r300->query_list) {
86 remove_from_list(query);
87 FREE(query);
88 }
89
90 r300->context.delete_depth_stencil_alpha_state(&r300->context,
91 r300->dsa_decompress_zmask);
92 }
93
94 static void r300_destroy_context(struct pipe_context* context)
95 {
96 struct r300_context* r300 = r300_context(context);
97
98 if (r300->blitter)
99 util_blitter_destroy(r300->blitter);
100 if (r300->draw)
101 draw_destroy(r300->draw);
102
103 if (r300->vbuf_mgr)
104 u_vbuf_mgr_destroy(r300->vbuf_mgr);
105
106 /* XXX: This function assumes r300->query_list was initialized */
107 r300_release_referenced_objects(r300);
108
109 if (r300->cs)
110 r300->rws->cs_destroy(r300->cs);
111
112 /* XXX: No way to tell if this was initialized or not? */
113 util_slab_destroy(&r300->pool_transfers);
114
115 r300_update_num_contexts(r300->screen, -1);
116
117 /* Free the structs allocated in r300_setup_atoms() */
118 if (r300->aa_state.state) {
119 FREE(r300->aa_state.state);
120 FREE(r300->blend_color_state.state);
121 FREE(r300->clip_state.state);
122 FREE(r300->fb_state.state);
123 FREE(r300->gpu_flush.state);
124 FREE(r300->hyperz_state.state);
125 FREE(r300->invariant_state.state);
126 FREE(r300->rs_block_state.state);
127 FREE(r300->scissor_state.state);
128 FREE(r300->textures_state.state);
129 FREE(r300->vap_invariant_state.state);
130 FREE(r300->viewport_state.state);
131 FREE(r300->ztop_state.state);
132 FREE(r300->fs_constants.state);
133 FREE(r300->vs_constants.state);
134 if (!r300->screen->caps.has_tcl) {
135 FREE(r300->vertex_stream_state.state);
136 }
137 }
138 FREE(r300);
139 }
140
141 static void r300_flush_callback(void *data, unsigned flags)
142 {
143 struct r300_context* const cs_context_copy = data;
144
145 r300_flush(&cs_context_copy->context, flags, NULL);
146 }
147
148 #define R300_INIT_ATOM(atomname, atomsize) \
149 do { \
150 r300->atomname.name = #atomname; \
151 r300->atomname.state = NULL; \
152 r300->atomname.size = atomsize; \
153 r300->atomname.emit = r300_emit_##atomname; \
154 r300->atomname.dirty = FALSE; \
155 } while (0)
156
157 #define R300_ALLOC_ATOM(atomname, statetype) \
158 do { \
159 r300->atomname.state = CALLOC_STRUCT(statetype); \
160 if (r300->atomname.state == NULL) \
161 return FALSE; \
162 } while (0)
163
164 static boolean r300_setup_atoms(struct r300_context* r300)
165 {
166 boolean is_rv350 = r300->screen->caps.is_rv350;
167 boolean is_r500 = r300->screen->caps.is_r500;
168 boolean has_tcl = r300->screen->caps.has_tcl;
169 boolean drm_2_6_0 = r300->rws->get_value(r300->rws, RADEON_VID_DRM_2_6_0);
170 boolean can_hyperz = r300->rws->get_value(r300->rws, RADEON_VID_CAN_HYPERZ);
171 boolean has_hiz_ram = r300->screen->caps.hiz_ram > 0;
172
173 /* Create the actual atom list.
174 *
175 * Some atoms never change size, others change every emit - those have
176 * the size of 0 here.
177 *
178 * NOTE: The framebuffer state is split into these atoms:
179 * - gpu_flush (unpipelined regs)
180 * - aa_state (unpipelined regs)
181 * - fb_state (unpipelined regs)
182 * - hyperz_state (unpipelined regs followed by pipelined ones)
183 * - fb_state_pipelined (pipelined regs)
184 * The motivation behind this is to be able to emit a strict
185 * subset of the regs, and to have reasonable register ordering. */
186 /* SC, GB (unpipelined), RB3D (unpipelined), ZB (unpipelined). */
187 R300_INIT_ATOM(gpu_flush, 9);
188 R300_INIT_ATOM(aa_state, 4);
189 R300_INIT_ATOM(fb_state, 0);
190 R300_INIT_ATOM(hyperz_state, is_r500 || (is_rv350 && drm_2_6_0) ? 10 : 8);
191 /* ZB (unpipelined), SC. */
192 R300_INIT_ATOM(ztop_state, 2);
193 /* ZB, FG. */
194 R300_INIT_ATOM(dsa_state, is_r500 ? (drm_2_6_0 ? 10 : 8) : 6);
195 /* RB3D. */
196 R300_INIT_ATOM(blend_state, 8);
197 R300_INIT_ATOM(blend_color_state, is_r500 ? 3 : 2);
198 /* SC. */
199 R300_INIT_ATOM(scissor_state, 3);
200 /* GB, FG, GA, SU, SC, RB3D. */
201 R300_INIT_ATOM(invariant_state, 16 + (is_rv350 ? 4 : 0) + (is_r500 ? 4 : 0));
202 /* VAP. */
203 R300_INIT_ATOM(viewport_state, 9);
204 R300_INIT_ATOM(pvs_flush, 2);
205 R300_INIT_ATOM(vap_invariant_state, is_r500 ? 11 : 9);
206 R300_INIT_ATOM(vertex_stream_state, 0);
207 R300_INIT_ATOM(vs_state, 0);
208 R300_INIT_ATOM(vs_constants, 0);
209 R300_INIT_ATOM(clip_state, has_tcl ? 5 + (6 * 4) : 2);
210 /* VAP, RS, GA, GB, SU, SC. */
211 R300_INIT_ATOM(rs_block_state, 0);
212 R300_INIT_ATOM(rs_state, 0);
213 /* SC, US. */
214 R300_INIT_ATOM(fb_state_pipelined, 8);
215 /* US. */
216 R300_INIT_ATOM(fs, 0);
217 R300_INIT_ATOM(fs_rc_constant_state, 0);
218 R300_INIT_ATOM(fs_constants, 0);
219 /* TX. */
220 R300_INIT_ATOM(texture_cache_inval, 2);
221 R300_INIT_ATOM(textures_state, 0);
222 if (can_hyperz) {
223 /* HiZ Clear */
224 if (has_hiz_ram)
225 R300_INIT_ATOM(hiz_clear, 4);
226 /* zmask clear */
227 R300_INIT_ATOM(zmask_clear, 4);
228 }
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_mgr_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 /* Print driver info. */
507 #ifdef DEBUG
508 {
509 #else
510 if (DBG_ON(r300, DBG_INFO)) {
511 #endif
512 fprintf(stderr,
513 "r300: DRM version: %d.%d.%d, Name: %s, ID: 0x%04x, GB: %d, Z: %d\n"
514 "r300: GART size: %d MB, VRAM size: %d MB\n"
515 "r300: AA compression: %s, Z compression: %s, HiZ: %s\n",
516 rws->get_value(rws, RADEON_VID_DRM_MAJOR),
517 rws->get_value(rws, RADEON_VID_DRM_MINOR),
518 rws->get_value(rws, RADEON_VID_DRM_PATCHLEVEL),
519 screen->get_name(screen),
520 rws->get_value(rws, RADEON_VID_PCI_ID),
521 rws->get_value(rws, RADEON_VID_R300_GB_PIPES),
522 rws->get_value(rws, RADEON_VID_R300_Z_PIPES),
523 rws->get_value(rws, RADEON_VID_GART_SIZE) >> 20,
524 rws->get_value(rws, RADEON_VID_VRAM_SIZE) >> 20,
525 rws->get_value(rws, RADEON_VID_CAN_AACOMPRESS) ? "YES" : "NO",
526 rws->get_value(rws, RADEON_VID_CAN_HYPERZ) &&
527 r300->screen->caps.zmask_ram ? "YES" : "NO",
528 rws->get_value(rws, RADEON_VID_CAN_HYPERZ) &&
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 }