2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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:
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
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.
26 #include "r600_pipe.h"
28 #include "util/u_memory.h"
33 void r600_need_cs_space(struct r600_context
*ctx
, unsigned num_dw
,
34 boolean count_draw_in
)
37 if (!ctx
->b
.ws
->cs_memory_below_limit(ctx
->b
.rings
.gfx
.cs
, ctx
->b
.vram
, ctx
->b
.gtt
)) {
40 ctx
->b
.rings
.gfx
.flush(ctx
, RADEON_FLUSH_ASYNC
);
43 /* all will be accounted once relocation are emited */
47 /* The number of dwords we already used in the CS so far. */
48 num_dw
+= ctx
->b
.rings
.gfx
.cs
->cdw
;
53 /* The number of dwords all the dirty states would take. */
54 for (i
= 0; i
< R600_NUM_ATOMS
; i
++) {
55 if (ctx
->atoms
[i
] && ctx
->atoms
[i
]->dirty
) {
56 num_dw
+= ctx
->atoms
[i
]->num_dw
;
57 if (ctx
->screen
->b
.trace_bo
) {
58 num_dw
+= R600_TRACE_CS_DWORDS
;
63 /* The upper-bound of how much space a draw command would take. */
64 num_dw
+= R600_MAX_FLUSH_CS_DWORDS
+ R600_MAX_DRAW_CS_DWORDS
;
65 if (ctx
->screen
->b
.trace_bo
) {
66 num_dw
+= R600_TRACE_CS_DWORDS
;
70 /* Count in queries_suspend. */
71 num_dw
+= ctx
->b
.num_cs_dw_nontimer_queries_suspend
;
73 /* Count in streamout_end at the end of CS. */
74 if (ctx
->b
.streamout
.begin_emitted
) {
75 num_dw
+= ctx
->b
.streamout
.num_dw_for_end
;
78 /* Count in render_condition(NULL) at the end of CS. */
79 if (ctx
->b
.predicate_drawing
) {
84 if (ctx
->b
.chip_class
<= R700
) {
88 /* Count in framebuffer cache flushes at the end of CS. */
89 num_dw
+= R600_MAX_FLUSH_CS_DWORDS
;
91 /* The fence at the end of CS. */
94 /* Flush if there's not enough space. */
95 if (num_dw
> RADEON_MAX_CMDBUF_DWORDS
) {
96 ctx
->b
.rings
.gfx
.flush(ctx
, RADEON_FLUSH_ASYNC
);
100 void r600_flush_emit(struct r600_context
*rctx
)
102 struct radeon_winsys_cs
*cs
= rctx
->b
.rings
.gfx
.cs
;
103 unsigned cp_coher_cntl
= 0;
104 unsigned wait_until
= 0;
106 if (!rctx
->b
.flags
) {
110 if (rctx
->b
.flags
& R600_CONTEXT_WAIT_3D_IDLE
) {
111 wait_until
|= S_008040_WAIT_3D_IDLE(1);
113 if (rctx
->b
.flags
& R600_CONTEXT_WAIT_CP_DMA_IDLE
) {
114 wait_until
|= S_008040_WAIT_CP_DMA_IDLE(1);
118 /* Use of WAIT_UNTIL is deprecated on Cayman+ */
119 if (rctx
->b
.family
>= CHIP_CAYMAN
) {
120 /* emit a PS partial flush on Cayman/TN */
121 rctx
->b
.flags
|= R600_CONTEXT_PS_PARTIAL_FLUSH
;
125 if (rctx
->b
.flags
& R600_CONTEXT_PS_PARTIAL_FLUSH
) {
126 cs
->buf
[cs
->cdw
++] = PKT3(PKT3_EVENT_WRITE
, 0, 0);
127 cs
->buf
[cs
->cdw
++] = EVENT_TYPE(EVENT_TYPE_PS_PARTIAL_FLUSH
) | EVENT_INDEX(4);
130 if (rctx
->b
.chip_class
>= R700
&&
131 (rctx
->b
.flags
& R600_CONTEXT_FLUSH_AND_INV_CB_META
)) {
132 cs
->buf
[cs
->cdw
++] = PKT3(PKT3_EVENT_WRITE
, 0, 0);
133 cs
->buf
[cs
->cdw
++] = EVENT_TYPE(EVENT_TYPE_FLUSH_AND_INV_CB_META
) | EVENT_INDEX(0);
136 if (rctx
->b
.chip_class
>= R700
&&
137 (rctx
->b
.flags
& R600_CONTEXT_FLUSH_AND_INV_DB_META
)) {
138 cs
->buf
[cs
->cdw
++] = PKT3(PKT3_EVENT_WRITE
, 0, 0);
139 cs
->buf
[cs
->cdw
++] = EVENT_TYPE(EVENT_TYPE_FLUSH_AND_INV_DB_META
) | EVENT_INDEX(0);
141 /* Set FULL_CACHE_ENA for DB META flushes on r7xx and later.
143 * This hack predates use of FLUSH_AND_INV_DB_META, so it's
144 * unclear whether it's still needed or even whether it has
147 cp_coher_cntl
|= S_0085F0_FULL_CACHE_ENA(1);
150 if (rctx
->b
.flags
& R600_CONTEXT_FLUSH_AND_INV
) {
151 cs
->buf
[cs
->cdw
++] = PKT3(PKT3_EVENT_WRITE
, 0, 0);
152 cs
->buf
[cs
->cdw
++] = EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT
) | EVENT_INDEX(0);
155 if (rctx
->b
.flags
& R600_CONTEXT_INV_CONST_CACHE
) {
156 /* Direct constant addressing uses the shader cache.
157 * Indirect contant addressing uses the vertex cache. */
158 cp_coher_cntl
|= S_0085F0_SH_ACTION_ENA(1) |
159 (rctx
->has_vertex_cache
? S_0085F0_VC_ACTION_ENA(1)
160 : S_0085F0_TC_ACTION_ENA(1));
162 if (rctx
->b
.flags
& R600_CONTEXT_INV_VERTEX_CACHE
) {
163 cp_coher_cntl
|= rctx
->has_vertex_cache
? S_0085F0_VC_ACTION_ENA(1)
164 : S_0085F0_TC_ACTION_ENA(1);
166 if (rctx
->b
.flags
& R600_CONTEXT_INV_TEX_CACHE
) {
167 /* Textures use the texture cache.
168 * Texture buffer objects use the vertex cache. */
169 cp_coher_cntl
|= S_0085F0_TC_ACTION_ENA(1) |
170 (rctx
->has_vertex_cache
? S_0085F0_VC_ACTION_ENA(1) : 0);
173 /* Don't use the DB CP COHER logic on r6xx.
176 if (rctx
->b
.chip_class
>= R700
&&
177 (rctx
->b
.flags
& R600_CONTEXT_FLUSH_AND_INV_DB
)) {
178 cp_coher_cntl
|= S_0085F0_DB_ACTION_ENA(1) |
179 S_0085F0_DB_DEST_BASE_ENA(1) |
180 S_0085F0_SMX_ACTION_ENA(1);
183 /* Don't use the CB CP COHER logic on r6xx.
186 if (rctx
->b
.chip_class
>= R700
&&
187 (rctx
->b
.flags
& R600_CONTEXT_FLUSH_AND_INV_CB
)) {
188 cp_coher_cntl
|= S_0085F0_CB_ACTION_ENA(1) |
189 S_0085F0_CB0_DEST_BASE_ENA(1) |
190 S_0085F0_CB1_DEST_BASE_ENA(1) |
191 S_0085F0_CB2_DEST_BASE_ENA(1) |
192 S_0085F0_CB3_DEST_BASE_ENA(1) |
193 S_0085F0_CB4_DEST_BASE_ENA(1) |
194 S_0085F0_CB5_DEST_BASE_ENA(1) |
195 S_0085F0_CB6_DEST_BASE_ENA(1) |
196 S_0085F0_CB7_DEST_BASE_ENA(1) |
197 S_0085F0_SMX_ACTION_ENA(1);
198 if (rctx
->b
.chip_class
>= EVERGREEN
)
199 cp_coher_cntl
|= S_0085F0_CB8_DEST_BASE_ENA(1) |
200 S_0085F0_CB9_DEST_BASE_ENA(1) |
201 S_0085F0_CB10_DEST_BASE_ENA(1) |
202 S_0085F0_CB11_DEST_BASE_ENA(1);
205 if (rctx
->b
.flags
& R600_CONTEXT_STREAMOUT_FLUSH
) {
206 cp_coher_cntl
|= S_0085F0_SO0_DEST_BASE_ENA(1) |
207 S_0085F0_SO1_DEST_BASE_ENA(1) |
208 S_0085F0_SO2_DEST_BASE_ENA(1) |
209 S_0085F0_SO3_DEST_BASE_ENA(1) |
210 S_0085F0_SMX_ACTION_ENA(1);
214 cs
->buf
[cs
->cdw
++] = PKT3(PKT3_SURFACE_SYNC
, 3, 0);
215 cs
->buf
[cs
->cdw
++] = cp_coher_cntl
; /* CP_COHER_CNTL */
216 cs
->buf
[cs
->cdw
++] = 0xffffffff; /* CP_COHER_SIZE */
217 cs
->buf
[cs
->cdw
++] = 0; /* CP_COHER_BASE */
218 cs
->buf
[cs
->cdw
++] = 0x0000000A; /* POLL_INTERVAL */
222 /* Use of WAIT_UNTIL is deprecated on Cayman+ */
223 if (rctx
->b
.family
< CHIP_CAYMAN
) {
224 /* wait for things to settle */
225 r600_write_config_reg(cs
, R_008040_WAIT_UNTIL
, wait_until
);
229 /* everything is properly flushed */
233 void r600_context_flush(struct r600_context
*ctx
, unsigned flags
)
235 struct radeon_winsys_cs
*cs
= ctx
->b
.rings
.gfx
.cs
;
237 ctx
->b
.nontimer_queries_suspended
= false;
238 ctx
->b
.streamout
.suspended
= false;
240 /* suspend queries */
241 if (ctx
->b
.num_cs_dw_nontimer_queries_suspend
) {
242 r600_suspend_nontimer_queries(&ctx
->b
);
243 ctx
->b
.nontimer_queries_suspended
= true;
246 if (ctx
->b
.streamout
.begin_emitted
) {
247 r600_emit_streamout_end(&ctx
->b
);
248 ctx
->b
.streamout
.suspended
= true;
251 /* flush the framebuffer cache */
252 ctx
->b
.flags
|= R600_CONTEXT_FLUSH_AND_INV
|
253 R600_CONTEXT_FLUSH_AND_INV_CB
|
254 R600_CONTEXT_FLUSH_AND_INV_DB
|
255 R600_CONTEXT_FLUSH_AND_INV_CB_META
|
256 R600_CONTEXT_FLUSH_AND_INV_DB_META
|
257 R600_CONTEXT_WAIT_3D_IDLE
|
258 R600_CONTEXT_WAIT_CP_DMA_IDLE
;
260 r600_flush_emit(ctx
);
262 /* old kernels and userspace don't set SX_MISC, so we must reset it to 0 here */
263 if (ctx
->b
.chip_class
<= R700
) {
264 r600_write_context_reg(cs
, R_028350_SX_MISC
, 0);
267 /* force to keep tiling flags */
268 if (ctx
->keep_tiling_flags
) {
269 flags
|= RADEON_FLUSH_KEEP_TILING_FLAGS
;
273 ctx
->b
.ws
->cs_flush(ctx
->b
.rings
.gfx
.cs
, flags
, ctx
->screen
->b
.cs_count
++);
276 void r600_begin_new_cs(struct r600_context
*ctx
)
284 /* Begin a new CS. */
285 r600_emit_command_buffer(ctx
->b
.rings
.gfx
.cs
, &ctx
->start_cs_cmd
);
287 /* Re-emit states. */
288 ctx
->alphatest_state
.atom
.dirty
= true;
289 ctx
->blend_color
.atom
.dirty
= true;
290 ctx
->cb_misc_state
.atom
.dirty
= true;
291 ctx
->clip_misc_state
.atom
.dirty
= true;
292 ctx
->clip_state
.atom
.dirty
= true;
293 ctx
->db_misc_state
.atom
.dirty
= true;
294 ctx
->db_state
.atom
.dirty
= true;
295 ctx
->framebuffer
.atom
.dirty
= true;
296 ctx
->pixel_shader
.atom
.dirty
= true;
297 ctx
->poly_offset_state
.atom
.dirty
= true;
298 ctx
->vgt_state
.atom
.dirty
= true;
299 ctx
->sample_mask
.atom
.dirty
= true;
300 for (i
= 0; i
< 16; i
++) {
301 ctx
->scissor
[i
].atom
.dirty
= true;
302 ctx
->viewport
[i
].atom
.dirty
= true;
304 ctx
->config_state
.atom
.dirty
= true;
305 ctx
->stencil_ref
.atom
.dirty
= true;
306 ctx
->vertex_fetch_shader
.atom
.dirty
= true;
307 ctx
->export_shader
.atom
.dirty
= true;
308 if (ctx
->gs_shader
) {
309 ctx
->geometry_shader
.atom
.dirty
= true;
310 ctx
->shader_stages
.atom
.dirty
= true;
311 ctx
->gs_rings
.atom
.dirty
= true;
313 ctx
->vertex_shader
.atom
.dirty
= true;
314 ctx
->b
.streamout
.enable_atom
.dirty
= true;
316 if (ctx
->blend_state
.cso
)
317 ctx
->blend_state
.atom
.dirty
= true;
318 if (ctx
->dsa_state
.cso
)
319 ctx
->dsa_state
.atom
.dirty
= true;
320 if (ctx
->rasterizer_state
.cso
)
321 ctx
->rasterizer_state
.atom
.dirty
= true;
323 if (ctx
->b
.chip_class
<= R700
) {
324 ctx
->seamless_cube_map
.atom
.dirty
= true;
327 ctx
->vertex_buffer_state
.dirty_mask
= ctx
->vertex_buffer_state
.enabled_mask
;
328 r600_vertex_buffers_dirty(ctx
);
330 /* Re-emit shader resources. */
331 for (shader
= 0; shader
< PIPE_SHADER_TYPES
; shader
++) {
332 struct r600_constbuf_state
*constbuf
= &ctx
->constbuf_state
[shader
];
333 struct r600_textures_info
*samplers
= &ctx
->samplers
[shader
];
335 constbuf
->dirty_mask
= constbuf
->enabled_mask
;
336 samplers
->views
.dirty_mask
= samplers
->views
.enabled_mask
;
337 samplers
->states
.dirty_mask
= samplers
->states
.enabled_mask
;
339 r600_constant_buffers_dirty(ctx
, constbuf
);
340 r600_sampler_views_dirty(ctx
, &samplers
->views
);
341 r600_sampler_states_dirty(ctx
, &samplers
->states
);
344 if (ctx
->b
.streamout
.suspended
) {
345 ctx
->b
.streamout
.append_bitmask
= ctx
->b
.streamout
.enabled_mask
;
346 r600_streamout_buffers_dirty(&ctx
->b
);
350 if (ctx
->b
.nontimer_queries_suspended
) {
351 r600_resume_nontimer_queries(&ctx
->b
);
354 /* Re-emit the draw state. */
355 ctx
->last_primitive_type
= -1;
356 ctx
->last_start_instance
= -1;
358 ctx
->b
.initial_gfx_cs_size
= ctx
->b
.rings
.gfx
.cs
->cdw
;
361 /* The max number of bytes to copy per packet. */
362 #define CP_DMA_MAX_BYTE_COUNT ((1 << 21) - 8)
364 void r600_cp_dma_copy_buffer(struct r600_context
*rctx
,
365 struct pipe_resource
*dst
, uint64_t dst_offset
,
366 struct pipe_resource
*src
, uint64_t src_offset
,
369 struct radeon_winsys_cs
*cs
= rctx
->b
.rings
.gfx
.cs
;
372 assert(rctx
->screen
->b
.has_cp_dma
);
374 /* Mark the buffer range of destination as valid (initialized),
375 * so that transfer_map knows it should wait for the GPU when mapping
377 util_range_add(&r600_resource(dst
)->valid_buffer_range
, dst_offset
,
380 dst_offset
+= r600_resource_va(&rctx
->screen
->b
.b
, dst
);
381 src_offset
+= r600_resource_va(&rctx
->screen
->b
.b
, src
);
383 /* Flush the caches where the resources are bound. */
384 rctx
->b
.flags
|= R600_CONTEXT_INV_CONST_CACHE
|
385 R600_CONTEXT_INV_VERTEX_CACHE
|
386 R600_CONTEXT_INV_TEX_CACHE
|
387 R600_CONTEXT_FLUSH_AND_INV
|
388 R600_CONTEXT_FLUSH_AND_INV_CB
|
389 R600_CONTEXT_FLUSH_AND_INV_DB
|
390 R600_CONTEXT_FLUSH_AND_INV_CB_META
|
391 R600_CONTEXT_FLUSH_AND_INV_DB_META
|
392 R600_CONTEXT_STREAMOUT_FLUSH
|
393 R600_CONTEXT_WAIT_3D_IDLE
;
395 /* There are differences between R700 and EG in CP DMA,
396 * but we only use the common bits here. */
399 unsigned byte_count
= MIN2(size
, CP_DMA_MAX_BYTE_COUNT
);
400 unsigned src_reloc
, dst_reloc
;
402 r600_need_cs_space(rctx
, 10 + (rctx
->b
.flags
? R600_MAX_FLUSH_CS_DWORDS
: 0), FALSE
);
404 /* Flush the caches for the first copy only. */
406 r600_flush_emit(rctx
);
409 /* Do the synchronization after the last copy, so that all data is written to memory. */
410 if (size
== byte_count
) {
411 sync
= PKT3_CP_DMA_CP_SYNC
;
414 /* This must be done after r600_need_cs_space. */
415 src_reloc
= r600_context_bo_reloc(&rctx
->b
, &rctx
->b
.rings
.gfx
, (struct r600_resource
*)src
,
416 RADEON_USAGE_READ
, RADEON_PRIO_MIN
);
417 dst_reloc
= r600_context_bo_reloc(&rctx
->b
, &rctx
->b
.rings
.gfx
, (struct r600_resource
*)dst
,
418 RADEON_USAGE_WRITE
, RADEON_PRIO_MIN
);
420 radeon_emit(cs
, PKT3(PKT3_CP_DMA
, 4, 0));
421 radeon_emit(cs
, src_offset
); /* SRC_ADDR_LO [31:0] */
422 radeon_emit(cs
, sync
| ((src_offset
>> 32) & 0xff)); /* CP_SYNC [31] | SRC_ADDR_HI [7:0] */
423 radeon_emit(cs
, dst_offset
); /* DST_ADDR_LO [31:0] */
424 radeon_emit(cs
, (dst_offset
>> 32) & 0xff); /* DST_ADDR_HI [7:0] */
425 radeon_emit(cs
, byte_count
); /* COMMAND [29:22] | BYTE_COUNT [20:0] */
427 radeon_emit(cs
, PKT3(PKT3_NOP
, 0, 0));
428 radeon_emit(cs
, src_reloc
);
429 radeon_emit(cs
, PKT3(PKT3_NOP
, 0, 0));
430 radeon_emit(cs
, dst_reloc
);
433 src_offset
+= byte_count
;
434 dst_offset
+= byte_count
;
437 /* Invalidate the read caches. */
438 rctx
->b
.flags
|= R600_CONTEXT_INV_CONST_CACHE
|
439 R600_CONTEXT_INV_VERTEX_CACHE
|
440 R600_CONTEXT_INV_TEX_CACHE
;
443 void r600_need_dma_space(struct r600_context
*ctx
, unsigned num_dw
)
445 /* The number of dwords we already used in the DMA so far. */
446 num_dw
+= ctx
->b
.rings
.dma
.cs
->cdw
;
447 /* Flush if there's not enough space. */
448 if (num_dw
> RADEON_MAX_CMDBUF_DWORDS
) {
449 ctx
->b
.rings
.dma
.flush(ctx
, RADEON_FLUSH_ASYNC
);
453 void r600_dma_copy(struct r600_context
*rctx
,
454 struct pipe_resource
*dst
,
455 struct pipe_resource
*src
,
460 struct radeon_winsys_cs
*cs
= rctx
->b
.rings
.dma
.cs
;
461 unsigned i
, ncopy
, csize
, shift
;
462 struct r600_resource
*rdst
= (struct r600_resource
*)dst
;
463 struct r600_resource
*rsrc
= (struct r600_resource
*)src
;
465 /* Mark the buffer range of destination as valid (initialized),
466 * so that transfer_map knows it should wait for the GPU when mapping
468 util_range_add(&rdst
->valid_buffer_range
, dst_offset
,
471 /* make sure that the dma ring is only one active */
472 rctx
->b
.rings
.gfx
.flush(rctx
, RADEON_FLUSH_ASYNC
);
476 ncopy
= (size
/ 0xffff) + !!(size
% 0xffff);
478 r600_need_dma_space(rctx
, ncopy
* 5);
479 for (i
= 0; i
< ncopy
; i
++) {
480 csize
= size
< 0xffff ? size
: 0xffff;
481 /* emit reloc before writting cs so that cs is always in consistent state */
482 r600_context_bo_reloc(&rctx
->b
, &rctx
->b
.rings
.dma
, rsrc
, RADEON_USAGE_READ
,
484 r600_context_bo_reloc(&rctx
->b
, &rctx
->b
.rings
.dma
, rdst
, RADEON_USAGE_WRITE
,
486 cs
->buf
[cs
->cdw
++] = DMA_PACKET(DMA_PACKET_COPY
, 0, 0, csize
);
487 cs
->buf
[cs
->cdw
++] = dst_offset
& 0xfffffffc;
488 cs
->buf
[cs
->cdw
++] = src_offset
& 0xfffffffc;
489 cs
->buf
[cs
->cdw
++] = (dst_offset
>> 32UL) & 0xff;
490 cs
->buf
[cs
->cdw
++] = (src_offset
>> 32UL) & 0xff;
491 dst_offset
+= csize
<< shift
;
492 src_offset
+= csize
<< shift
;