1/*
2 * Copyright © 2016 Red Hat.
3 * Copyright © 2016 Bas Nieuwenhuizen
4 * SPDX-License-Identifier: MIT
5 *
6 * based in part on anv driver which is:
7 * Copyright © 2015 Intel Corporation
8 */
9
10#ifndef TU_CMD_BUFFER_H
11#define TU_CMD_BUFFER_H
12
13#include "tu_common.h"
14
15#include "tu_cs.h"
16#include "tu_descriptor_set.h"
17#include "tu_device.h"
18#include "tu_lrz.h"
19#include "tu_pass.h"
20#include "tu_pipeline.h"
21
22enum tu_draw_state_group_id
23{
24   TU_DRAW_STATE_PROGRAM_CONFIG,
25   TU_DRAW_STATE_PROGRAM,
26   TU_DRAW_STATE_PROGRAM_BINNING,
27   TU_DRAW_STATE_VB,
28   TU_DRAW_STATE_VI,
29   TU_DRAW_STATE_VI_BINNING,
30   TU_DRAW_STATE_RAST,
31   TU_DRAW_STATE_CONST,
32   TU_DRAW_STATE_DESC_SETS,
33   TU_DRAW_STATE_DESC_SETS_LOAD,
34   TU_DRAW_STATE_VS_PARAMS,
35   TU_DRAW_STATE_INPUT_ATTACHMENTS_GMEM,
36   TU_DRAW_STATE_INPUT_ATTACHMENTS_SYSMEM,
37   TU_DRAW_STATE_LRZ_AND_DEPTH_PLANE,
38   TU_DRAW_STATE_PRIM_MODE_GMEM,
39   TU_DRAW_STATE_PRIM_MODE_SYSMEM,
40
41   /* dynamic state related draw states */
42   TU_DRAW_STATE_DYNAMIC,
43   TU_DRAW_STATE_COUNT = TU_DRAW_STATE_DYNAMIC + TU_DYNAMIC_STATE_COUNT,
44};
45
46struct tu_descriptor_state
47{
48   struct tu_descriptor_set *sets[MAX_SETS];
49   struct tu_descriptor_set push_set;
50   uint32_t dynamic_descriptors[MAX_DYNAMIC_BUFFERS_SIZE];
51};
52
53enum tu_cmd_dirty_bits
54{
55   TU_CMD_DIRTY_VERTEX_BUFFERS = BIT(0),
56   TU_CMD_DIRTY_VB_STRIDE = BIT(1),
57   TU_CMD_DIRTY_GRAS_SU_CNTL = BIT(2),
58   TU_CMD_DIRTY_RB_DEPTH_CNTL = BIT(3),
59   TU_CMD_DIRTY_RB_STENCIL_CNTL = BIT(4),
60   TU_CMD_DIRTY_DESC_SETS_LOAD = BIT(5),
61   TU_CMD_DIRTY_COMPUTE_DESC_SETS_LOAD = BIT(6),
62   TU_CMD_DIRTY_SHADER_CONSTS = BIT(7),
63   TU_CMD_DIRTY_LRZ = BIT(8),
64   TU_CMD_DIRTY_VS_PARAMS = BIT(9),
65   TU_CMD_DIRTY_RASTERIZER_DISCARD = BIT(10),
66   TU_CMD_DIRTY_VIEWPORTS = BIT(11),
67   TU_CMD_DIRTY_BLEND = BIT(12),
68   /* all draw states were disabled and need to be re-enabled: */
69   TU_CMD_DIRTY_DRAW_STATE = BIT(13)
70};
71
72/* There are only three cache domains we have to care about: the CCU, or
73 * color cache unit, which is used for color and depth/stencil attachments
74 * and copy/blit destinations, and is split conceptually into color and depth,
75 * and the universal cache or UCHE which is used for pretty much everything
76 * else, except for the CP (uncached) and host. We need to flush whenever data
77 * crosses these boundaries.
78 */
79
80enum tu_cmd_access_mask {
81   TU_ACCESS_UCHE_READ = 1 << 0,
82   TU_ACCESS_UCHE_WRITE = 1 << 1,
83   TU_ACCESS_CCU_COLOR_READ = 1 << 2,
84   TU_ACCESS_CCU_COLOR_WRITE = 1 << 3,
85   TU_ACCESS_CCU_DEPTH_READ = 1 << 4,
86   TU_ACCESS_CCU_DEPTH_WRITE = 1 << 5,
87
88   /* Experiments have shown that while it's safe to avoid flushing the CCU
89    * after each blit/renderpass, it's not safe to assume that subsequent
90    * lookups with a different attachment state will hit unflushed cache
91    * entries. That is, the CCU needs to be flushed and possibly invalidated
92    * when accessing memory with a different attachment state. Writing to an
93    * attachment under the following conditions after clearing using the
94    * normal 2d engine path is known to have issues:
95    *
96    * - It isn't the 0'th layer.
97    * - There are more than one attachment, and this isn't the 0'th attachment
98    *   (this seems to also depend on the cpp of the attachments).
99    *
100    * Our best guess is that the layer/MRT state is used when computing
101    * the location of a cache entry in CCU, to avoid conflicts. We assume that
102    * any access in a renderpass after or before an access by a transfer needs
103    * a flush/invalidate, and use the _INCOHERENT variants to represent access
104    * by a renderpass.
105    */
106   TU_ACCESS_CCU_COLOR_INCOHERENT_READ = 1 << 6,
107   TU_ACCESS_CCU_COLOR_INCOHERENT_WRITE = 1 << 7,
108   TU_ACCESS_CCU_DEPTH_INCOHERENT_READ = 1 << 8,
109   TU_ACCESS_CCU_DEPTH_INCOHERENT_WRITE = 1 << 9,
110
111   /* Accesses which bypasses any cache. e.g. writes via the host,
112    * CP_EVENT_WRITE::BLIT, and the CP are SYSMEM_WRITE.
113    */
114   TU_ACCESS_SYSMEM_READ = 1 << 10,
115   TU_ACCESS_SYSMEM_WRITE = 1 << 11,
116
117   /* Memory writes from the CP start in-order with draws and event writes,
118    * but execute asynchronously and hence need a CP_WAIT_MEM_WRITES if read.
119    */
120   TU_ACCESS_CP_WRITE = 1 << 12,
121
122   TU_ACCESS_READ =
123      TU_ACCESS_UCHE_READ |
124      TU_ACCESS_CCU_COLOR_READ |
125      TU_ACCESS_CCU_DEPTH_READ |
126      TU_ACCESS_CCU_COLOR_INCOHERENT_READ |
127      TU_ACCESS_CCU_DEPTH_INCOHERENT_READ |
128      TU_ACCESS_SYSMEM_READ,
129
130   TU_ACCESS_WRITE =
131      TU_ACCESS_UCHE_WRITE |
132      TU_ACCESS_CCU_COLOR_WRITE |
133      TU_ACCESS_CCU_COLOR_INCOHERENT_WRITE |
134      TU_ACCESS_CCU_DEPTH_WRITE |
135      TU_ACCESS_CCU_DEPTH_INCOHERENT_WRITE |
136      TU_ACCESS_SYSMEM_WRITE |
137      TU_ACCESS_CP_WRITE,
138
139   TU_ACCESS_ALL =
140      TU_ACCESS_READ |
141      TU_ACCESS_WRITE,
142};
143
144/* Starting with a6xx, the pipeline is split into several "clusters" (really
145 * pipeline stages). Each stage has its own pair of register banks and can
146 * switch them independently, so that earlier stages can run ahead of later
147 * ones. e.g. the FS of draw N and the VS of draw N + 1 can be executing at
148 * the same time.
149 *
150 * As a result of this, we need to insert a WFI when an earlier stage depends
151 * on the result of a later stage. CP_DRAW_* and CP_BLIT will wait for any
152 * pending WFI's to complete before starting, and usually before reading
153 * indirect params even, so a WFI also acts as a full "pipeline stall".
154 *
155 * Note, the names of the stages come from CLUSTER_* in devcoredump. We
156 * include all the stages for completeness, even ones which do not read/write
157 * anything.
158 */
159
160enum tu_stage {
161   /* This doesn't correspond to a cluster, but we need it for tracking
162    * indirect draw parameter reads etc.
163    */
164   TU_STAGE_CP,
165
166   /* - Fetch index buffer
167    * - Fetch vertex attributes, dispatch VS
168    */
169   TU_STAGE_FE,
170
171   /* Execute all geometry stages (VS thru GS) */
172   TU_STAGE_SP_VS,
173
174   /* Write to VPC, do primitive assembly. */
175   TU_STAGE_PC_VS,
176
177   /* Rasterization. RB_DEPTH_BUFFER_BASE only exists in CLUSTER_PS according
178    * to devcoredump so presumably this stage stalls for TU_STAGE_PS when
179    * early depth testing is enabled before dispatching fragments? However
180    * GRAS reads and writes LRZ directly.
181    */
182   TU_STAGE_GRAS,
183
184   /* Execute FS */
185   TU_STAGE_SP_PS,
186
187   /* - Fragment tests
188    * - Write color/depth
189    * - Streamout writes (???)
190    * - Varying interpolation (???)
191    */
192   TU_STAGE_PS,
193};
194
195enum tu_cmd_flush_bits {
196   TU_CMD_FLAG_CCU_FLUSH_DEPTH = 1 << 0,
197   TU_CMD_FLAG_CCU_FLUSH_COLOR = 1 << 1,
198   TU_CMD_FLAG_CCU_INVALIDATE_DEPTH = 1 << 2,
199   TU_CMD_FLAG_CCU_INVALIDATE_COLOR = 1 << 3,
200   TU_CMD_FLAG_CACHE_FLUSH = 1 << 4,
201   TU_CMD_FLAG_CACHE_INVALIDATE = 1 << 5,
202   TU_CMD_FLAG_WAIT_MEM_WRITES = 1 << 6,
203   TU_CMD_FLAG_WAIT_FOR_IDLE = 1 << 7,
204   TU_CMD_FLAG_WAIT_FOR_ME = 1 << 8,
205
206   TU_CMD_FLAG_ALL_FLUSH =
207      TU_CMD_FLAG_CCU_FLUSH_DEPTH |
208      TU_CMD_FLAG_CCU_FLUSH_COLOR |
209      TU_CMD_FLAG_CACHE_FLUSH |
210      /* Treat the CP as a sort of "cache" which may need to be "flushed" via
211       * waiting for writes to land with WAIT_FOR_MEM_WRITES.
212       */
213      TU_CMD_FLAG_WAIT_MEM_WRITES,
214
215   TU_CMD_FLAG_ALL_INVALIDATE =
216      TU_CMD_FLAG_CCU_INVALIDATE_DEPTH |
217      TU_CMD_FLAG_CCU_INVALIDATE_COLOR |
218      TU_CMD_FLAG_CACHE_INVALIDATE |
219      /* Treat CP_WAIT_FOR_ME as a "cache" that needs to be invalidated when a
220       * a command that needs CP_WAIT_FOR_ME is executed. This means we may
221       * insert an extra WAIT_FOR_ME before an indirect command requiring it
222       * in case there was another command before the current command buffer
223       * that it needs to wait for.
224       */
225      TU_CMD_FLAG_WAIT_FOR_ME,
226};
227
228/* Changing the CCU from sysmem mode to gmem mode or vice-versa is pretty
229 * heavy, involving a CCU cache flush/invalidate and a WFI in order to change
230 * which part of the gmem is used by the CCU. Here we keep track of what the
231 * state of the CCU.
232 */
233enum tu_cmd_ccu_state {
234   TU_CMD_CCU_SYSMEM,
235   TU_CMD_CCU_GMEM,
236   TU_CMD_CCU_UNKNOWN,
237};
238
239struct tu_cache_state {
240   /* Caches which must be made available (flushed) eventually if there are
241    * any users outside that cache domain, and caches which must be
242    * invalidated eventually if there are any reads.
243    */
244   enum tu_cmd_flush_bits pending_flush_bits;
245   /* Pending flushes */
246   enum tu_cmd_flush_bits flush_bits;
247};
248
249struct tu_vs_params {
250   uint32_t vertex_offset;
251   uint32_t first_instance;
252};
253
254/* This should be for state that is set inside a renderpass and used at
255 * renderpass end time, e.g. to decide whether to use sysmem. This needs
256 * special handling for secondary cmdbufs and suspending/resuming render
257 * passes where the state may need to be combined afterwards.
258 */
259struct tu_render_pass_state
260{
261   bool xfb_used;
262   bool has_tess;
263   bool has_prim_generated_query_in_rp;
264   bool disable_gmem;
265
266   /* Track whether conditional predicate for COND_REG_EXEC is changed in draw_cs */
267   bool draw_cs_writes_to_cond_pred;
268
269   uint32_t drawcall_count;
270
271   /* A calculated "draw cost" value for renderpass, which tries to
272    * estimate the bandwidth-per-sample of all the draws according
273    * to:
274    *
275    *    foreach_draw (...) {
276    *      sum += pipeline->color_bandwidth_per_sample;
277    *      if (depth_test_enabled)
278    *        sum += pipeline->depth_cpp_per_sample;
279    *      if (depth_write_enabled)
280    *        sum += pipeline->depth_cpp_per_sample;
281    *      if (stencil_write_enabled)
282    *        sum += pipeline->stencil_cpp_per_sample * 2;
283    *    }
284    *    drawcall_bandwidth_per_sample = sum / drawcall_count;
285    *
286    * It allows us to estimate the total bandwidth of drawcalls later, by
287    * calculating (drawcall_bandwidth_per_sample * zpass_sample_count).
288    *
289    * This does ignore depth buffer traffic for samples which do not
290    * pass due to depth-test fail, and some other details.  But it is
291    * just intended to be a rough estimate that is easy to calculate.
292    */
293   uint32_t drawcall_bandwidth_per_sample_sum;
294};
295
296struct tu_cmd_state
297{
298   uint32_t dirty;
299
300   struct tu_pipeline *pipeline;
301   struct tu_pipeline *compute_pipeline;
302
303   struct tu_render_pass_state rp;
304
305   /* Vertex buffers, viewports, and scissors
306    * the states for these can be updated partially, so we need to save these
307    * to be able to emit a complete draw state
308    */
309   struct {
310      uint64_t base;
311      uint32_t size;
312      uint32_t stride;
313   } vb[MAX_VBS];
314   VkViewport viewport[MAX_VIEWPORTS];
315   VkRect2D scissor[MAX_SCISSORS];
316   uint32_t max_viewport, max_scissor;
317
318   /* for dynamic states that can't be emitted directly */
319   uint32_t dynamic_stencil_mask;
320   uint32_t dynamic_stencil_wrmask;
321   uint32_t dynamic_stencil_ref;
322
323   uint32_t gras_su_cntl, rb_depth_cntl, rb_stencil_cntl;
324   uint32_t pc_raster_cntl, vpc_unknown_9107;
325   uint32_t rb_mrt_control[MAX_RTS], rb_mrt_blend_control[MAX_RTS];
326   uint32_t rb_mrt_control_rop;
327   uint32_t rb_blend_cntl, sp_blend_cntl;
328   uint32_t pipeline_color_write_enable, pipeline_blend_enable;
329   uint32_t color_write_enable;
330   bool logic_op_enabled;
331   bool rop_reads_dst;
332   enum pc_di_primtype primtype;
333   bool primitive_restart_enable;
334
335   /* saved states to re-emit in TU_CMD_DIRTY_DRAW_STATE case */
336   struct tu_draw_state dynamic_state[TU_DYNAMIC_STATE_COUNT];
337   struct tu_draw_state vertex_buffers;
338   struct tu_draw_state shader_const;
339   struct tu_draw_state desc_sets;
340
341   struct tu_draw_state vs_params;
342
343   /* Index buffer */
344   uint64_t index_va;
345   uint32_t max_index_count;
346   uint8_t index_size;
347
348   /* because streamout base has to be 32-byte aligned
349    * there is an extra offset to deal with when it is
350    * unaligned
351    */
352   uint8_t streamout_offset[IR3_MAX_SO_BUFFERS];
353
354   /* Renderpasses are tricky, because we may need to flush differently if
355    * using sysmem vs. gmem and therefore we have to delay any flushing that
356    * happens before a renderpass. So we have to have two copies of the flush
357    * state, one for intra-renderpass flushes (i.e. renderpass dependencies)
358    * and one for outside a renderpass.
359    */
360   struct tu_cache_state cache;
361   struct tu_cache_state renderpass_cache;
362
363   enum tu_cmd_ccu_state ccu_state;
364
365   /* Decides which GMEM layout to use from the tu_pass, based on whether the CCU
366    * might get used by tu_store_gmem_attachment().
367    */
368   enum tu_gmem_layout gmem_layout;
369
370   const struct tu_render_pass *pass;
371   const struct tu_subpass *subpass;
372   const struct tu_framebuffer *framebuffer;
373   const struct tu_tiling_config *tiling;
374   VkRect2D render_area;
375
376   const struct tu_image_view **attachments;
377
378   /* State that in the dynamic case comes from VkRenderingInfo and needs to
379    * be saved/restored when suspending. This holds the state for the last
380    * suspended renderpass, which may point to this command buffer's dynamic_*
381    * or another command buffer if executed on a secondary.
382    */
383   struct {
384      const struct tu_render_pass *pass;
385      const struct tu_subpass *subpass;
386      const struct tu_framebuffer *framebuffer;
387      VkRect2D render_area;
388      enum tu_gmem_layout gmem_layout;
389
390      const struct tu_image_view **attachments;
391
392      struct tu_lrz_state lrz;
393   } suspended_pass;
394
395   bool tessfactor_addr_set;
396   bool predication_active;
397   enum a5xx_line_mode line_mode;
398   bool z_negative_one_to_one;
399
400   /* VK_QUERY_PIPELINE_STATISTIC_CLIPPING_INVOCATIONS_BIT and
401    * VK_QUERY_TYPE_PRIMITIVES_GENERATED_EXT are allowed to run simultaniously,
402    * but they use the same {START,STOP}_PRIMITIVE_CTRS control.
403    */
404   uint32_t prim_counters_running;
405
406   bool prim_generated_query_running_before_rp;
407
408   /* These are the states of the suspend/resume state machine. In addition to
409    * tracking whether we're in the middle of a chain of suspending and
410    * resuming passes that will be merged, we need to track whether the
411    * command buffer begins in the middle of such a chain, for when it gets
412    * merged with other command buffers. We call such a chain that begins
413    * before the command buffer starts a "pre-chain".
414    *
415    * Note that when this command buffer is finished, this state is untouched
416    * but it gains a different meaning. For example, if we finish in state
417    * SR_IN_CHAIN, we finished in the middle of a suspend/resume chain, so
418    * there's a suspend/resume chain that extends past the end of the command
419    * buffer. In this sense it's the "opposite" of SR_AFTER_PRE_CHAIN, which
420    * means that there's a suspend/resume chain that extends before the
421    * beginning.
422    */
423   enum {
424      /* Either there are no suspend/resume chains, or they are entirely
425       * contained in the current command buffer.
426       *
427       *   BeginCommandBuffer() <- start of current command buffer
428       *       ...
429       *       // we are here
430       */
431      SR_NONE = 0,
432
433      /* We are in the middle of a suspend/resume chain that starts before the
434       * current command buffer. This happens when the command buffer begins
435       * with a resuming render pass and all of the passes up to the current
436       * one are suspending. In this state, our part of the chain is not saved
437       * and is in the current draw_cs/state.
438       *
439       *   BeginRendering() ... EndRendering(suspending)
440       *   BeginCommandBuffer() <- start of current command buffer
441       *       BeginRendering(resuming) ... EndRendering(suspending)
442       *       BeginRendering(resuming) ... EndRendering(suspending)
443       *       ...
444       *       // we are here
445       */
446      SR_IN_PRE_CHAIN,
447
448      /* We are currently outside of any suspend/resume chains, but there is a
449       * chain starting before the current command buffer. It is saved in
450       * pre_chain.
451       *
452       *   BeginRendering() ... EndRendering(suspending)
453       *   BeginCommandBuffer() <- start of current command buffer
454       *       // This part is stashed in pre_chain
455       *       BeginRendering(resuming) ... EndRendering(suspending)
456       *       BeginRendering(resuming) ... EndRendering(suspending)
457       *       ...
458       *       BeginRendering(resuming) ... EndRendering() // end of chain
459       *       ...
460       *       // we are here
461       */
462      SR_AFTER_PRE_CHAIN,
463
464      /* We are in the middle of a suspend/resume chain and there is no chain
465       * starting before the current command buffer.
466       *
467       *   BeginCommandBuffer() <- start of current command buffer
468       *       ...
469       *       BeginRendering() ... EndRendering(suspending)
470       *       BeginRendering(resuming) ... EndRendering(suspending)
471       *       BeginRendering(resuming) ... EndRendering(suspending)
472       *       ...
473       *       // we are here
474       */
475      SR_IN_CHAIN,
476
477      /* We are in the middle of a suspend/resume chain and there is another,
478       * separate, chain starting before the current command buffer.
479       *
480       *   BeginRendering() ... EndRendering(suspending)
481       *   CommandBufferBegin() <- start of current command buffer
482       *       // This part is stashed in pre_chain
483       *       BeginRendering(resuming) ... EndRendering(suspending)
484       *       BeginRendering(resuming) ... EndRendering(suspending)
485       *       ...
486       *       BeginRendering(resuming) ... EndRendering() // end of chain
487       *       ...
488       *       BeginRendering() ... EndRendering(suspending)
489       *       BeginRendering(resuming) ... EndRendering(suspending)
490       *       BeginRendering(resuming) ... EndRendering(suspending)
491       *       ...
492       *       // we are here
493       */
494      SR_IN_CHAIN_AFTER_PRE_CHAIN,
495   } suspend_resume;
496
497   bool suspending, resuming;
498
499   struct tu_lrz_state lrz;
500
501   struct tu_draw_state lrz_and_depth_plane_state;
502
503   struct tu_vs_params last_vs_params;
504};
505
506struct tu_cmd_pool
507{
508   struct vk_command_pool vk;
509
510   struct list_head cmd_buffers;
511   struct list_head free_cmd_buffers;
512};
513VK_DEFINE_NONDISP_HANDLE_CASTS(tu_cmd_pool, vk.base, VkCommandPool,
514                               VK_OBJECT_TYPE_COMMAND_POOL)
515
516enum tu_cmd_buffer_status
517{
518   TU_CMD_BUFFER_STATUS_INVALID,
519   TU_CMD_BUFFER_STATUS_INITIAL,
520   TU_CMD_BUFFER_STATUS_RECORDING,
521   TU_CMD_BUFFER_STATUS_EXECUTABLE,
522   TU_CMD_BUFFER_STATUS_PENDING,
523};
524
525struct tu_cmd_buffer
526{
527   struct vk_command_buffer vk;
528
529   struct tu_device *device;
530
531   struct tu_cmd_pool *pool;
532   struct list_head pool_link;
533
534   struct u_trace trace;
535   struct u_trace_iterator trace_renderpass_start;
536   struct u_trace_iterator trace_renderpass_end;
537
538   struct list_head renderpass_autotune_results;
539   struct tu_autotune_results_buffer* autotune_buffer;
540
541   VkCommandBufferUsageFlags usage_flags;
542   enum tu_cmd_buffer_status status;
543
544   VkQueryPipelineStatisticFlags inherited_pipeline_statistics;
545
546   struct tu_cmd_state state;
547   uint32_t queue_family_index;
548
549   uint32_t push_constants[MAX_PUSH_CONSTANTS_SIZE / 4];
550   VkShaderStageFlags push_constant_stages;
551   struct tu_descriptor_set meta_push_descriptors;
552
553   struct tu_descriptor_state descriptors[MAX_BIND_POINTS];
554
555   struct tu_render_pass_attachment dynamic_rp_attachments[2 * (MAX_RTS + 1)];
556   struct tu_subpass_attachment dynamic_color_attachments[MAX_RTS];
557   struct tu_subpass_attachment dynamic_resolve_attachments[MAX_RTS + 1];
558   const struct tu_image_view *dynamic_attachments[2 * (MAX_RTS + 1)];
559
560   struct tu_render_pass dynamic_pass;
561   struct tu_subpass dynamic_subpass;
562   struct tu_framebuffer dynamic_framebuffer;
563
564   VkResult record_result;
565
566   struct tu_cs cs;
567   struct tu_cs draw_cs;
568   struct tu_cs tile_store_cs;
569   struct tu_cs draw_epilogue_cs;
570   struct tu_cs sub_cs;
571
572   /* If the first render pass in the command buffer is resuming, then it is
573    * part of a suspend/resume chain that starts before the current command
574    * buffer and needs to be merged later. In this case, its incomplete state
575    * is stored in pre_chain. In the symmetric case where the last render pass
576    * is suspending, we just skip ending the render pass and its state is
577    * stored in draw_cs/the current state. The first and last render pass
578    * might be part of different chains, which is why all the state may need
579    * to be saved separately here.
580    */
581   struct {
582      struct tu_cs draw_cs;
583      struct tu_cs draw_epilogue_cs;
584
585      struct u_trace_iterator trace_renderpass_start, trace_renderpass_end;
586
587      struct tu_render_pass_state state;
588   } pre_chain;
589
590   uint32_t vsc_draw_strm_pitch;
591   uint32_t vsc_prim_strm_pitch;
592};
593VK_DEFINE_HANDLE_CASTS(tu_cmd_buffer, vk.base, VkCommandBuffer,
594                       VK_OBJECT_TYPE_COMMAND_BUFFER)
595
596static inline uint32_t
597tu_attachment_gmem_offset(struct tu_cmd_buffer *cmd,
598                          const struct tu_render_pass_attachment *att)
599{
600   assert(cmd->state.gmem_layout < TU_GMEM_LAYOUT_COUNT);
601   return att->gmem_offset[cmd->state.gmem_layout];
602}
603
604static inline uint32_t
605tu_attachment_gmem_offset_stencil(struct tu_cmd_buffer *cmd,
606                                  const struct tu_render_pass_attachment *att)
607{
608   assert(cmd->state.gmem_layout < TU_GMEM_LAYOUT_COUNT);
609   return att->gmem_offset_stencil[cmd->state.gmem_layout];
610}
611
612void tu_render_pass_state_merge(struct tu_render_pass_state *dst,
613                                const struct tu_render_pass_state *src);
614
615VkResult tu_cmd_buffer_begin(struct tu_cmd_buffer *cmd_buffer,
616                             VkCommandBufferUsageFlags usage_flags);
617
618void tu_emit_cache_flush_renderpass(struct tu_cmd_buffer *cmd_buffer,
619                                    struct tu_cs *cs);
620
621void tu_emit_cache_flush_ccu(struct tu_cmd_buffer *cmd_buffer,
622                             struct tu_cs *cs,
623                             enum tu_cmd_ccu_state ccu_state);
624
625void
626tu_append_pre_chain(struct tu_cmd_buffer *cmd,
627                    struct tu_cmd_buffer *secondary);
628
629void
630tu_append_pre_post_chain(struct tu_cmd_buffer *cmd,
631                         struct tu_cmd_buffer *secondary);
632
633void
634tu_append_post_chain(struct tu_cmd_buffer *cmd,
635                     struct tu_cmd_buffer *secondary);
636
637void
638tu_restore_suspended_pass(struct tu_cmd_buffer *cmd,
639                          struct tu_cmd_buffer *suspended);
640
641void tu_cmd_render(struct tu_cmd_buffer *cmd);
642
643void
644tu6_emit_event_write(struct tu_cmd_buffer *cmd,
645                     struct tu_cs *cs,
646                     enum vgt_event_type event);
647
648static inline struct tu_descriptor_state *
649tu_get_descriptors_state(struct tu_cmd_buffer *cmd_buffer,
650                         VkPipelineBindPoint bind_point)
651{
652   return &cmd_buffer->descriptors[bind_point];
653}
654
655void tu6_emit_msaa(struct tu_cs *cs, VkSampleCountFlagBits samples,
656                   enum a5xx_line_mode line_mode);
657
658void tu6_emit_window_scissor(struct tu_cs *cs, uint32_t x1, uint32_t y1, uint32_t x2, uint32_t y2);
659
660void tu6_emit_window_offset(struct tu_cs *cs, uint32_t x1, uint32_t y1);
661
662void tu_disable_draw_states(struct tu_cmd_buffer *cmd, struct tu_cs *cs);
663
664void tu6_apply_depth_bounds_workaround(struct tu_device *device,
665                                       uint32_t *rb_depth_cntl);
666
667void
668update_stencil_mask(uint32_t *value, VkStencilFaceFlags face, uint32_t mask);
669
670#endif /* TU_CMD_BUFFER_H */
671