1 /*
2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
3  * Copyright 2018 Advanced Micro Devices, Inc.
4  * All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * on the rights to use, copy, modify, merge, publish, distribute, sub
10  * license, and/or sell copies of the Software, and to permit persons to whom
11  * the Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the next
14  * paragraph) shall be included in all copies or substantial portions of the
15  * Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
20  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
23  * USE OR OTHER DEALINGS IN THE SOFTWARE.
24  */
25 #ifndef SI_PIPE_H
26 #define SI_PIPE_H
27 
28 #include "si_shader.h"
29 #include "si_state.h"
30 #include "util/u_dynarray.h"
31 #include "util/u_idalloc.h"
32 #include "util/u_threaded_context.h"
33 
34 #if UTIL_ARCH_BIG_ENDIAN
35 #define SI_BIG_ENDIAN 1
36 #else
37 #define SI_BIG_ENDIAN 0
38 #endif
39 
40 #define ATI_VENDOR_ID         0x1002
41 #define SI_PRIM_DISCARD_DEBUG 0
42 #define SI_NOT_QUERY          0xffffffff
43 
44 /* The base vertex and primitive restart can be any number, but we must pick
45  * one which will mean "unknown" for the purpose of state tracking and
46  * the number shouldn't be a commonly-used one. */
47 #define SI_BASE_VERTEX_UNKNOWN    INT_MIN
48 #define SI_RESTART_INDEX_UNKNOWN  INT_MIN
49 #define SI_INSTANCE_COUNT_UNKNOWN INT_MIN
50 #define SI_NUM_SMOOTH_AA_SAMPLES  8
51 #define SI_MAX_POINT_SIZE         2048
52 #define SI_GS_PER_ES              128
53 /* Alignment for optimal CP DMA performance. */
54 #define SI_CPDMA_ALIGNMENT 32
55 
56 /* Tunables for compute-based clear_buffer and copy_buffer: */
57 #define SI_COMPUTE_CLEAR_DW_PER_THREAD 4
58 #define SI_COMPUTE_COPY_DW_PER_THREAD  4
59 #define SI_COMPUTE_DST_CACHE_POLICY    L2_STREAM
60 
61 /* Pipeline & streamout query controls. */
62 #define SI_CONTEXT_START_PIPELINE_STATS  (1 << 0)
63 #define SI_CONTEXT_STOP_PIPELINE_STATS   (1 << 1)
64 #define SI_CONTEXT_FLUSH_FOR_RENDER_COND (1 << 2)
65 /* Instruction cache. */
66 #define SI_CONTEXT_INV_ICACHE (1 << 3)
67 /* Scalar cache. (GFX6-9: scalar L1; GFX10: scalar L0)
68  * GFX10: This also invalidates the L1 shader array cache. */
69 #define SI_CONTEXT_INV_SCACHE (1 << 4)
70 /* Vector cache. (GFX6-9: vector L1; GFX10: vector L0)
71  * GFX10: This also invalidates the L1 shader array cache. */
72 #define SI_CONTEXT_INV_VCACHE (1 << 5)
73 /* L2 cache + L2 metadata cache writeback & invalidate.
74  * GFX6-8: Used by shaders only. GFX9-10: Used by everything. */
75 #define SI_CONTEXT_INV_L2 (1 << 6)
76 /* L2 writeback (write dirty L2 lines to memory for non-L2 clients).
77  * Only used for coherency with non-L2 clients like CB, DB, CP on GFX6-8.
78  * GFX6-7 will do complete invalidation, because the writeback is unsupported. */
79 #define SI_CONTEXT_WB_L2 (1 << 7)
80 /* Writeback & invalidate the L2 metadata cache only. It can only be coupled with
81  * a CB or DB flush. */
82 #define SI_CONTEXT_INV_L2_METADATA (1 << 8)
83 /* Framebuffer caches. */
84 #define SI_CONTEXT_FLUSH_AND_INV_DB      (1 << 9)
85 #define SI_CONTEXT_FLUSH_AND_INV_DB_META (1 << 10)
86 #define SI_CONTEXT_FLUSH_AND_INV_CB      (1 << 11)
87 /* Engine synchronization. */
88 #define SI_CONTEXT_VS_PARTIAL_FLUSH   (1 << 12)
89 #define SI_CONTEXT_PS_PARTIAL_FLUSH   (1 << 13)
90 #define SI_CONTEXT_CS_PARTIAL_FLUSH   (1 << 14)
91 #define SI_CONTEXT_VGT_FLUSH          (1 << 15)
92 #define SI_CONTEXT_VGT_STREAMOUT_SYNC (1 << 16)
93 
94 #define SI_PREFETCH_VBO_DESCRIPTORS (1 << 0)
95 #define SI_PREFETCH_LS              (1 << 1)
96 #define SI_PREFETCH_HS              (1 << 2)
97 #define SI_PREFETCH_ES              (1 << 3)
98 #define SI_PREFETCH_GS              (1 << 4)
99 #define SI_PREFETCH_VS              (1 << 5)
100 #define SI_PREFETCH_PS              (1 << 6)
101 
102 #define SI_MAX_BORDER_COLORS              4096
103 #define SI_MAX_VIEWPORTS                  16
104 #define SIX_BITS                          0x3F
105 #define SI_MAP_BUFFER_ALIGNMENT           64
106 #define SI_MAX_VARIABLE_THREADS_PER_BLOCK 1024
107 
108 #define SI_RESOURCE_FLAG_FORCE_LINEAR      (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
109 #define SI_RESOURCE_FLAG_FLUSHED_DEPTH     (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
110 #define SI_RESOURCE_FLAG_FORCE_MSAA_TILING (PIPE_RESOURCE_FLAG_DRV_PRIV << 2)
111 #define SI_RESOURCE_FLAG_DISABLE_DCC       (PIPE_RESOURCE_FLAG_DRV_PRIV << 3)
112 #define SI_RESOURCE_FLAG_UNMAPPABLE        (PIPE_RESOURCE_FLAG_DRV_PRIV << 4)
113 #define SI_RESOURCE_FLAG_READ_ONLY         (PIPE_RESOURCE_FLAG_DRV_PRIV << 5)
114 #define SI_RESOURCE_FLAG_32BIT             (PIPE_RESOURCE_FLAG_DRV_PRIV << 6)
115 #define SI_RESOURCE_FLAG_CLEAR             (PIPE_RESOURCE_FLAG_DRV_PRIV << 7)
116 /* For const_uploader, upload data via GTT and copy to VRAM on context flush via SDMA. */
117 #define SI_RESOURCE_FLAG_UPLOAD_FLUSH_EXPLICIT_VIA_SDMA (PIPE_RESOURCE_FLAG_DRV_PRIV << 8)
118 /* Set a micro tile mode: */
119 #define SI_RESOURCE_FLAG_FORCE_MICRO_TILE_MODE (PIPE_RESOURCE_FLAG_DRV_PRIV << 9)
120 #define SI_RESOURCE_FLAG_MICRO_TILE_MODE_SHIFT (util_logbase2(PIPE_RESOURCE_FLAG_DRV_PRIV) + 10)
121 #define SI_RESOURCE_FLAG_MICRO_TILE_MODE_SET(x)                                                    \
122    (((x)&0x3) << SI_RESOURCE_FLAG_MICRO_TILE_MODE_SHIFT)
123 #define SI_RESOURCE_FLAG_MICRO_TILE_MODE_GET(x)                                                    \
124    (((x) >> SI_RESOURCE_FLAG_MICRO_TILE_MODE_SHIFT) & 0x3)
125 #define SI_RESOURCE_FLAG_UNCACHED          (PIPE_RESOURCE_FLAG_DRV_PRIV << 12)
126 
127 enum si_clear_code
128 {
129    DCC_CLEAR_COLOR_0000 = 0x00000000,
130    DCC_CLEAR_COLOR_0001 = 0x40404040,
131    DCC_CLEAR_COLOR_1110 = 0x80808080,
132    DCC_CLEAR_COLOR_1111 = 0xC0C0C0C0,
133    DCC_CLEAR_COLOR_REG = 0x20202020,
134    DCC_UNCOMPRESSED = 0xFFFFFFFF,
135 };
136 
137 #define SI_IMAGE_ACCESS_AS_BUFFER (1 << 7)
138 #define SI_IMAGE_ACCESS_DCC_OFF   (1 << 8)
139 
140 /* Debug flags. */
141 enum
142 {
143    /* Shader logging options: */
144    DBG_VS = PIPE_SHADER_VERTEX,
145    DBG_PS = PIPE_SHADER_FRAGMENT,
146    DBG_GS = PIPE_SHADER_GEOMETRY,
147    DBG_TCS = PIPE_SHADER_TESS_CTRL,
148    DBG_TES = PIPE_SHADER_TESS_EVAL,
149    DBG_CS = PIPE_SHADER_COMPUTE,
150    DBG_NO_IR,
151    DBG_NO_NIR,
152    DBG_NO_ASM,
153    DBG_PREOPT_IR,
154 
155    /* Shader compiler options the shader cache should be aware of: */
156    DBG_FS_CORRECT_DERIVS_AFTER_KILL,
157    DBG_GISEL,
158    DBG_W32_GE,
159    DBG_W32_PS,
160    DBG_W32_CS,
161    DBG_W64_GE,
162    DBG_W64_PS,
163    DBG_W64_CS,
164    DBG_KILL_PS_INF_INTERP,
165    DBG_CLAMP_DIV_BY_ZERO,
166 
167    /* Shader compiler options (with no effect on the shader cache): */
168    DBG_CHECK_IR,
169    DBG_MONOLITHIC_SHADERS,
170    DBG_NO_OPT_VARIANT,
171 
172    /* Information logging options: */
173    DBG_INFO,
174    DBG_TEX,
175    DBG_COMPUTE,
176    DBG_VM,
177    DBG_CACHE_STATS,
178 
179    /* Driver options: */
180    DBG_FORCE_SDMA,
181    DBG_NO_SDMA,
182    DBG_NO_SDMA_CLEARS,
183    DBG_NO_SDMA_COPY_IMAGE,
184    DBG_NO_WC,
185    DBG_CHECK_VM,
186    DBG_RESERVE_VMID,
187    DBG_ZERO_VRAM,
188    DBG_SHADOW_REGS,
189 
190    /* 3D engine options: */
191    DBG_NO_GFX,
192    DBG_NO_NGG,
193    DBG_ALWAYS_NGG_CULLING_ALL,
194    DBG_ALWAYS_NGG_CULLING_TESS,
195    DBG_NO_NGG_CULLING,
196    DBG_ALWAYS_PD,
197    DBG_PD,
198    DBG_NO_PD,
199    DBG_SWITCH_ON_EOP,
200    DBG_NO_OUT_OF_ORDER,
201    DBG_NO_DPBB,
202    DBG_NO_DFSM,
203    DBG_DPBB,
204    DBG_DFSM,
205    DBG_NO_HYPERZ,
206    DBG_NO_RB_PLUS,
207    DBG_NO_2D_TILING,
208    DBG_NO_TILING,
209    DBG_NO_DCC,
210    DBG_NO_DCC_CLEAR,
211    DBG_NO_DCC_FB,
212    DBG_NO_DCC_MSAA,
213    DBG_NO_FMASK,
214 
215    DBG_COUNT
216 };
217 
218 enum
219 {
220    /* Tests: */
221    DBG_TEST_DMA,
222    DBG_TEST_VMFAULT_CP,
223    DBG_TEST_VMFAULT_SDMA,
224    DBG_TEST_VMFAULT_SHADER,
225    DBG_TEST_DMA_PERF,
226    DBG_TEST_GDS,
227    DBG_TEST_GDS_MM,
228    DBG_TEST_GDS_OA_MM,
229 };
230 
231 #define DBG_ALL_SHADERS (((1 << (DBG_CS + 1)) - 1))
232 #define DBG(name)       (1ull << DBG_##name)
233 
234 enum si_cache_policy
235 {
236    L2_BYPASS,
237    L2_STREAM, /* same as SLC=1 */
238    L2_LRU,    /* same as SLC=0 */
239 };
240 
241 enum si_coherency
242 {
243    SI_COHERENCY_NONE, /* no cache flushes needed */
244    SI_COHERENCY_SHADER,
245    SI_COHERENCY_CB_META,
246    SI_COHERENCY_DB_META,
247    SI_COHERENCY_CP,
248 };
249 
250 struct si_compute;
251 struct si_shader_context;
252 struct hash_table;
253 struct u_suballocator;
254 
255 /* Only 32-bit buffer allocations are supported, gallium doesn't support more
256  * at the moment.
257  */
258 struct si_resource {
259    struct threaded_resource b;
260 
261    /* Winsys objects. */
262    struct pb_buffer *buf;
263    uint64_t gpu_address;
264    /* Memory usage if the buffer placement is optimal. */
265    uint64_t vram_usage;
266    uint64_t gart_usage;
267 
268    /* Resource properties. */
269    uint64_t bo_size;
270    unsigned bo_alignment;
271    enum radeon_bo_domain domains;
272    enum radeon_bo_flag flags;
273    unsigned bind_history;
274    int max_forced_staging_uploads;
275 
276    /* The buffer range which is initialized (with a write transfer,
277     * streamout, DMA, or as a random access target). The rest of
278     * the buffer is considered invalid and can be mapped unsynchronized.
279     *
280     * This allows unsychronized mapping of a buffer range which hasn't
281     * been used yet. It's for applications which forget to use
282     * the unsynchronized map flag and expect the driver to figure it out.
283     */
284    struct util_range valid_buffer_range;
285 
286    /* For buffers only. This indicates that a write operation has been
287     * performed by TC L2, but the cache hasn't been flushed.
288     * Any hw block which doesn't use or bypasses TC L2 should check this
289     * flag and flush the cache before using the buffer.
290     *
291     * For example, TC L2 must be flushed if a buffer which has been
292     * modified by a shader store instruction is about to be used as
293     * an index buffer. The reason is that VGT DMA index fetching doesn't
294     * use TC L2.
295     */
296    bool TC_L2_dirty;
297 
298    /* Whether this resource is referenced by bindless handles. */
299    bool texture_handle_allocated;
300    bool image_handle_allocated;
301 
302    /* Whether the resource has been exported via resource_get_handle. */
303    unsigned external_usage; /* PIPE_HANDLE_USAGE_* */
304 };
305 
306 struct si_transfer {
307    struct threaded_transfer b;
308    struct si_resource *staging;
309    unsigned offset;
310 };
311 
312 struct si_texture {
313    struct si_resource buffer;
314 
315    struct radeon_surf surface;
316    struct si_texture *flushed_depth_texture;
317 
318    /* One texture allocation can contain these buffers:
319     * - image (pixel data)
320     * - FMASK buffer (MSAA compression)
321     * - CMASK buffer (MSAA compression and/or legacy fast color clear)
322     * - HTILE buffer (Z/S compression and fast Z/S clear)
323     * - DCC buffer (color compression and new fast color clear)
324     * - displayable DCC buffer (if the DCC buffer is not displayable)
325     * - DCC retile mapping buffer (if the DCC buffer is not displayable)
326     */
327    uint64_t cmask_base_address_reg;
328    struct si_resource *cmask_buffer;
329    unsigned cb_color_info; /* fast clear enable bit */
330    unsigned color_clear_value[2];
331    unsigned last_msaa_resolve_target_micro_mode;
332    unsigned num_level0_transfers;
333    unsigned plane_index; /* other planes are different pipe_resources */
334    unsigned num_planes;
335 
336    /* Depth buffer compression and fast clear. */
337    float depth_clear_value;
338    uint16_t dirty_level_mask;         /* each bit says if that mipmap is compressed */
339    uint16_t stencil_dirty_level_mask; /* each bit says if that mipmap is compressed */
340    enum pipe_format db_render_format : 16;
341    uint8_t stencil_clear_value;
342    bool fmask_is_identity : 1;
343    bool tc_compatible_htile : 1;
344    bool enable_tc_compatible_htile_next_clear : 1;
345    bool htile_stencil_disabled : 1;
346    bool depth_cleared : 1;   /* if it was cleared at least once */
347    bool stencil_cleared : 1; /* if it was cleared at least once */
348    bool upgraded_depth : 1;  /* upgraded from unorm to Z32_FLOAT */
349    bool is_depth : 1;
350    bool db_compatible : 1;
351    bool can_sample_z : 1;
352    bool can_sample_s : 1;
353 
354    /* We need to track DCC dirtiness, because st/dri usually calls
355     * flush_resource twice per frame (not a bug) and we don't wanna
356     * decompress DCC twice. Also, the dirty tracking must be done even
357     * if DCC isn't used, because it's required by the DCC usage analysis
358     * for a possible future enablement.
359     */
360    bool separate_dcc_dirty : 1;
361    bool displayable_dcc_dirty : 1;
362 
363    /* Statistics gathering for the DCC enablement heuristic. */
364    bool dcc_gather_statistics : 1;
365    /* Counter that should be non-zero if the texture is bound to a
366     * framebuffer.
367     */
368    unsigned framebuffers_bound;
369    /* Whether the texture is a displayable back buffer and needs DCC
370     * decompression, which is expensive. Therefore, it's enabled only
371     * if statistics suggest that it will pay off and it's allocated
372     * separately. It can't be bound as a sampler by apps. Limited to
373     * target == 2D and last_level == 0. If enabled, dcc_offset contains
374     * the absolute GPUVM address, not the relative one.
375     */
376    struct si_resource *dcc_separate_buffer;
377    /* When DCC is temporarily disabled, the separate buffer is here. */
378    struct si_resource *last_dcc_separate_buffer;
379    /* Estimate of how much this color buffer is written to in units of
380     * full-screen draws: ps_invocations / (width * height)
381     * Shader kills, late Z, and blending with trivial discards make it
382     * inaccurate (we need to count CB updates, not PS invocations).
383     */
384    unsigned ps_draw_ratio;
385    /* The number of clears since the last DCC usage analysis. */
386    unsigned num_slow_clears;
387 };
388 
389 struct si_surface {
390    struct pipe_surface base;
391 
392    /* These can vary with block-compressed textures. */
393    uint16_t width0;
394    uint16_t height0;
395 
396    bool color_initialized : 1;
397    bool depth_initialized : 1;
398 
399    /* Misc. color flags. */
400    bool color_is_int8 : 1;
401    bool color_is_int10 : 1;
402    bool dcc_incompatible : 1;
403 
404    /* Color registers. */
405    unsigned cb_color_info;
406    unsigned cb_color_view;
407    unsigned cb_color_attrib;
408    unsigned cb_color_attrib2;                      /* GFX9 and later */
409    unsigned cb_color_attrib3;                      /* GFX10 and later */
410    unsigned cb_dcc_control;                        /* GFX8 and later */
411    unsigned spi_shader_col_format : 8;             /* no blending, no alpha-to-coverage. */
412    unsigned spi_shader_col_format_alpha : 8;       /* alpha-to-coverage */
413    unsigned spi_shader_col_format_blend : 8;       /* blending without alpha. */
414    unsigned spi_shader_col_format_blend_alpha : 8; /* blending with alpha. */
415 
416    /* DB registers. */
417    uint64_t db_depth_base; /* DB_Z_READ/WRITE_BASE */
418    uint64_t db_stencil_base;
419    uint64_t db_htile_data_base;
420    unsigned db_depth_info;
421    unsigned db_z_info;
422    unsigned db_z_info2; /* GFX9 only */
423    unsigned db_depth_view;
424    unsigned db_depth_size;
425    unsigned db_depth_slice;
426    unsigned db_stencil_info;
427    unsigned db_stencil_info2; /* GFX9 only */
428    unsigned db_htile_surface;
429 };
430 
431 struct si_mmio_counter {
432    unsigned busy;
433    unsigned idle;
434 };
435 
436 union si_mmio_counters {
437    struct si_mmio_counters_named {
438       /* For global GPU load including SDMA. */
439       struct si_mmio_counter gpu;
440 
441       /* GRBM_STATUS */
442       struct si_mmio_counter spi;
443       struct si_mmio_counter gui;
444       struct si_mmio_counter ta;
445       struct si_mmio_counter gds;
446       struct si_mmio_counter vgt;
447       struct si_mmio_counter ia;
448       struct si_mmio_counter sx;
449       struct si_mmio_counter wd;
450       struct si_mmio_counter bci;
451       struct si_mmio_counter sc;
452       struct si_mmio_counter pa;
453       struct si_mmio_counter db;
454       struct si_mmio_counter cp;
455       struct si_mmio_counter cb;
456 
457       /* SRBM_STATUS2 */
458       struct si_mmio_counter sdma;
459 
460       /* CP_STAT */
461       struct si_mmio_counter pfp;
462       struct si_mmio_counter meq;
463       struct si_mmio_counter me;
464       struct si_mmio_counter surf_sync;
465       struct si_mmio_counter cp_dma;
466       struct si_mmio_counter scratch_ram;
467    } named;
468 
469    unsigned array[sizeof(struct si_mmio_counters_named) / sizeof(unsigned)];
470 };
471 
472 struct si_memory_object {
473    struct pipe_memory_object b;
474    struct pb_buffer *buf;
475    uint32_t stride;
476 };
477 
478 /* Saved CS data for debugging features. */
479 struct radeon_saved_cs {
480    uint32_t *ib;
481    unsigned num_dw;
482 
483    struct radeon_bo_list_item *bo_list;
484    unsigned bo_count;
485 };
486 
487 struct si_screen {
488    struct pipe_screen b;
489    struct radeon_winsys *ws;
490    struct disk_cache *disk_shader_cache;
491 
492    struct radeon_info info;
493    uint64_t debug_flags;
494    char renderer_string[183];
495 
496    void (*make_texture_descriptor)(struct si_screen *screen, struct si_texture *tex, bool sampler,
497                                    enum pipe_texture_target target, enum pipe_format pipe_format,
498                                    const unsigned char state_swizzle[4], unsigned first_level,
499                                    unsigned last_level, unsigned first_layer, unsigned last_layer,
500                                    unsigned width, unsigned height, unsigned depth, uint32_t *state,
501                                    uint32_t *fmask_state);
502 
503    unsigned num_vbos_in_user_sgprs;
504    unsigned pa_sc_raster_config;
505    unsigned pa_sc_raster_config_1;
506    unsigned se_tile_repeat;
507    unsigned gs_table_depth;
508    unsigned tess_offchip_block_dw_size;
509    unsigned tess_offchip_ring_size;
510    unsigned tess_factor_ring_size;
511    unsigned vgt_hs_offchip_param;
512    unsigned eqaa_force_coverage_samples;
513    unsigned eqaa_force_z_samples;
514    unsigned eqaa_force_color_samples;
515    bool has_draw_indirect_multi;
516    bool has_out_of_order_rast;
517    bool assume_no_z_fights;
518    bool commutative_blend_add;
519    bool dpbb_allowed;
520    bool dfsm_allowed;
521    bool llvm_has_working_vgpr_indexing;
522    bool use_ngg;
523    bool use_ngg_culling;
524    bool always_use_ngg_culling_all;
525    bool always_use_ngg_culling_tess;
526    bool use_ngg_streamout;
527 
528    struct {
529 #define OPT_BOOL(name, dflt, description) bool name : 1;
530 #include "si_debug_options.h"
531    } options;
532 
533    /* Whether shaders are monolithic (1-part) or separate (3-part). */
534    bool use_monolithic_shaders;
535    bool record_llvm_ir;
536    bool dcc_msaa_allowed;
537 
538    struct slab_parent_pool pool_transfers;
539 
540    /* Texture filter settings. */
541    int force_aniso; /* -1 = disabled */
542 
543    /* Auxiliary context. Mainly used to initialize resources.
544     * It must be locked prior to using and flushed before unlocking. */
545    struct pipe_context *aux_context;
546    simple_mtx_t aux_context_lock;
547 
548    /* This must be in the screen, because UE4 uses one context for
549     * compilation and another one for rendering.
550     */
551    unsigned num_compilations;
552    /* Along with ST_DEBUG=precompile, this should show if applications
553     * are loading shaders on demand. This is a monotonic counter.
554     */
555    unsigned num_shaders_created;
556    unsigned num_memory_shader_cache_hits;
557    unsigned num_memory_shader_cache_misses;
558    unsigned num_disk_shader_cache_hits;
559    unsigned num_disk_shader_cache_misses;
560 
561    /* GPU load thread. */
562    simple_mtx_t gpu_load_mutex;
563    thrd_t gpu_load_thread;
564    union si_mmio_counters mmio_counters;
565    volatile unsigned gpu_load_stop_thread; /* bool */
566 
567    /* Performance counters. */
568    struct si_perfcounters *perfcounters;
569 
570    /* If pipe_screen wants to recompute and re-emit the framebuffer,
571     * sampler, and image states of all contexts, it should atomically
572     * increment this.
573     *
574     * Each context will compare this with its own last known value of
575     * the counter before drawing and re-emit the states accordingly.
576     */
577    unsigned dirty_tex_counter;
578    unsigned dirty_buf_counter;
579 
580    /* Atomically increment this counter when an existing texture's
581     * metadata is enabled or disabled in a way that requires changing
582     * contexts' compressed texture binding masks.
583     */
584    unsigned compressed_colortex_counter;
585 
586    struct {
587       /* Context flags to set so that all writes from earlier jobs
588        * in the CP are seen by L2 clients.
589        */
590       unsigned cp_to_L2;
591 
592       /* Context flags to set so that all writes from earlier jobs
593        * that end in L2 are seen by CP.
594        */
595       unsigned L2_to_cp;
596    } barrier_flags;
597 
598    simple_mtx_t shader_parts_mutex;
599    struct si_shader_part *vs_prologs;
600    struct si_shader_part *tcs_epilogs;
601    struct si_shader_part *gs_prologs;
602    struct si_shader_part *ps_prologs;
603    struct si_shader_part *ps_epilogs;
604 
605    /* Shader cache in memory.
606     *
607     * Design & limitations:
608     * - The shader cache is per screen (= per process), never saved to
609     *   disk, and skips redundant shader compilations from NIR to bytecode.
610     * - It can only be used with one-variant-per-shader support, in which
611     *   case only the main (typically middle) part of shaders is cached.
612     * - Only VS, TCS, TES, PS are cached, out of which only the hw VS
613     *   variants of VS and TES are cached, so LS and ES aren't.
614     * - GS and CS aren't cached, but it's certainly possible to cache
615     *   those as well.
616     */
617    simple_mtx_t shader_cache_mutex;
618    struct hash_table *shader_cache;
619 
620    /* Shader cache of live shaders. */
621    struct util_live_shader_cache live_shader_cache;
622 
623    /* Shader compiler queue for multithreaded compilation. */
624    struct util_queue shader_compiler_queue;
625    /* Use at most 3 normal compiler threads on quadcore and better.
626     * Hyperthreaded CPUs report the number of threads, but we want
627     * the number of cores. We only need this many threads for shader-db. */
628    struct ac_llvm_compiler compiler[24]; /* used by the queue only */
629 
630    struct util_queue shader_compiler_queue_low_priority;
631    /* Use at most 2 low priority threads on quadcore and better.
632     * We want to minimize the impact on multithreaded Mesa. */
633    struct ac_llvm_compiler compiler_lowp[10];
634 
635    unsigned compute_wave_size;
636    unsigned ps_wave_size;
637    unsigned ge_wave_size;
638 };
639 
640 struct si_blend_color {
641    struct pipe_blend_color state;
642    bool any_nonzeros;
643 };
644 
645 struct si_sampler_view {
646    struct pipe_sampler_view base;
647    /* [0..7] = image descriptor
648     * [4..7] = buffer descriptor */
649    uint32_t state[8];
650    uint32_t fmask_state[8];
651    const struct legacy_surf_level *base_level_info;
652    ubyte base_level;
653    ubyte block_width;
654    bool is_stencil_sampler;
655    bool is_integer;
656    bool dcc_incompatible;
657 };
658 
659 #define SI_SAMPLER_STATE_MAGIC 0x34f1c35a
660 
661 struct si_sampler_state {
662 #ifndef NDEBUG
663    unsigned magic;
664 #endif
665    uint32_t val[4];
666    uint32_t integer_val[4];
667    uint32_t upgraded_depth_val[4];
668 };
669 
670 struct si_cs_shader_state {
671    struct si_compute *program;
672    struct si_compute *emitted_program;
673    unsigned offset;
674    bool initialized;
675    bool uses_scratch;
676 };
677 
678 struct si_samplers {
679    struct pipe_sampler_view *views[SI_NUM_SAMPLERS];
680    struct si_sampler_state *sampler_states[SI_NUM_SAMPLERS];
681 
682    /* The i-th bit is set if that element is enabled (non-NULL resource). */
683    unsigned enabled_mask;
684    uint32_t needs_depth_decompress_mask;
685    uint32_t needs_color_decompress_mask;
686 };
687 
688 struct si_images {
689    struct pipe_image_view views[SI_NUM_IMAGES];
690    uint32_t needs_color_decompress_mask;
691    unsigned enabled_mask;
692 };
693 
694 struct si_framebuffer {
695    struct pipe_framebuffer_state state;
696    unsigned colorbuf_enabled_4bit;
697    unsigned spi_shader_col_format;
698    unsigned spi_shader_col_format_alpha;
699    unsigned spi_shader_col_format_blend;
700    unsigned spi_shader_col_format_blend_alpha;
701    ubyte nr_samples : 5;   /* at most 16xAA */
702    ubyte log_samples : 3;  /* at most 4 = 16xAA */
703    ubyte nr_color_samples; /* at most 8xAA */
704    ubyte compressed_cb_mask;
705    ubyte uncompressed_cb_mask;
706    ubyte displayable_dcc_cb_mask;
707    ubyte color_is_int8;
708    ubyte color_is_int10;
709    ubyte dirty_cbufs;
710    ubyte dcc_overwrite_combiner_watermark;
711    ubyte min_bytes_per_pixel;
712    bool dirty_zsbuf;
713    bool any_dst_linear;
714    bool CB_has_shader_readable_metadata;
715    bool DB_has_shader_readable_metadata;
716    bool all_DCC_pipe_aligned;
717    bool color_big_page;
718    bool zs_big_page;
719 };
720 
721 enum si_quant_mode
722 {
723    /* This is the list we want to support. */
724    SI_QUANT_MODE_16_8_FIXED_POINT_1_256TH,
725    SI_QUANT_MODE_14_10_FIXED_POINT_1_1024TH,
726    SI_QUANT_MODE_12_12_FIXED_POINT_1_4096TH,
727 };
728 
729 struct si_signed_scissor {
730    int minx;
731    int miny;
732    int maxx;
733    int maxy;
734    enum si_quant_mode quant_mode;
735 };
736 
737 struct si_viewports {
738    struct pipe_viewport_state states[SI_MAX_VIEWPORTS];
739    struct si_signed_scissor as_scissor[SI_MAX_VIEWPORTS];
740    bool y_inverted;
741 };
742 
743 struct si_clip_state {
744    struct pipe_clip_state state;
745    bool any_nonzeros;
746 };
747 
748 struct si_streamout_target {
749    struct pipe_stream_output_target b;
750 
751    /* The buffer where BUFFER_FILLED_SIZE is stored. */
752    struct si_resource *buf_filled_size;
753    unsigned buf_filled_size_offset;
754    bool buf_filled_size_valid;
755 
756    unsigned stride_in_dw;
757 };
758 
759 struct si_streamout {
760    bool begin_emitted;
761 
762    unsigned enabled_mask;
763    unsigned num_targets;
764    struct si_streamout_target *targets[PIPE_MAX_SO_BUFFERS];
765 
766    unsigned append_bitmask;
767    bool suspended;
768 
769    /* External state which comes from the vertex shader,
770     * it must be set explicitly when binding a shader. */
771    uint16_t *stride_in_dw;
772    unsigned enabled_stream_buffers_mask; /* stream0 buffers0-3 in 4 LSB */
773 
774    /* The state of VGT_STRMOUT_BUFFER_(CONFIG|EN). */
775    unsigned hw_enabled_mask;
776 
777    /* The state of VGT_STRMOUT_(CONFIG|EN). */
778    bool streamout_enabled;
779    bool prims_gen_query_enabled;
780    int num_prims_gen_queries;
781 };
782 
783 /* A shader state consists of the shader selector, which is a constant state
784  * object shared by multiple contexts and shouldn't be modified, and
785  * the current shader variant selected for this context.
786  */
787 struct si_shader_ctx_state {
788    struct si_shader_selector *cso;
789    struct si_shader *current;
790 };
791 
792 #define SI_NUM_VGT_PARAM_KEY_BITS 12
793 #define SI_NUM_VGT_PARAM_STATES   (1 << SI_NUM_VGT_PARAM_KEY_BITS)
794 
795 /* The IA_MULTI_VGT_PARAM key used to index the table of precomputed values.
796  * Some fields are set by state-change calls, most are set by draw_vbo.
797  */
798 union si_vgt_param_key {
799    struct {
800 #if UTIL_ARCH_LITTLE_ENDIAN
801       unsigned prim : 4;
802       unsigned uses_instancing : 1;
803       unsigned multi_instances_smaller_than_primgroup : 1;
804       unsigned primitive_restart : 1;
805       unsigned count_from_stream_output : 1;
806       unsigned line_stipple_enabled : 1;
807       unsigned uses_tess : 1;
808       unsigned tess_uses_prim_id : 1;
809       unsigned uses_gs : 1;
810       unsigned _pad : 32 - SI_NUM_VGT_PARAM_KEY_BITS;
811 #else /* UTIL_ARCH_BIG_ENDIAN */
812       unsigned _pad : 32 - SI_NUM_VGT_PARAM_KEY_BITS;
813       unsigned uses_gs : 1;
814       unsigned tess_uses_prim_id : 1;
815       unsigned uses_tess : 1;
816       unsigned line_stipple_enabled : 1;
817       unsigned count_from_stream_output : 1;
818       unsigned primitive_restart : 1;
819       unsigned multi_instances_smaller_than_primgroup : 1;
820       unsigned uses_instancing : 1;
821       unsigned prim : 4;
822 #endif
823    } u;
824    uint32_t index;
825 };
826 
827 #define SI_NUM_VGT_STAGES_KEY_BITS 6
828 #define SI_NUM_VGT_STAGES_STATES   (1 << SI_NUM_VGT_STAGES_KEY_BITS)
829 
830 /* The VGT_SHADER_STAGES key used to index the table of precomputed values.
831  * Some fields are set by state-change calls, most are set by draw_vbo.
832  */
833 union si_vgt_stages_key {
834    struct {
835 #if UTIL_ARCH_LITTLE_ENDIAN
836       unsigned tess : 1;
837       unsigned gs : 1;
838       unsigned ngg_gs_fast_launch : 1;
839       unsigned ngg_passthrough : 1;
840       unsigned ngg : 1;       /* gfx10+ */
841       unsigned streamout : 1; /* only used with NGG */
842       unsigned _pad : 32 - SI_NUM_VGT_STAGES_KEY_BITS;
843 #else /* UTIL_ARCH_BIG_ENDIAN */
844       unsigned _pad : 32 - SI_NUM_VGT_STAGES_KEY_BITS;
845       unsigned streamout : 1;
846       unsigned ngg : 1;
847       unsigned ngg_passthrough : 1;
848       unsigned ngg_gs_fast_launch : 1;
849       unsigned gs : 1;
850       unsigned tess : 1;
851 #endif
852    } u;
853    uint32_t index;
854 };
855 
856 struct si_texture_handle {
857    unsigned desc_slot;
858    bool desc_dirty;
859    struct pipe_sampler_view *view;
860    struct si_sampler_state sstate;
861 };
862 
863 struct si_image_handle {
864    unsigned desc_slot;
865    bool desc_dirty;
866    struct pipe_image_view view;
867 };
868 
869 struct si_saved_cs {
870    struct pipe_reference reference;
871    struct si_context *ctx;
872    struct radeon_saved_cs gfx;
873    struct radeon_saved_cs compute;
874    struct si_resource *trace_buf;
875    unsigned trace_id;
876 
877    unsigned gfx_last_dw;
878    unsigned compute_last_dw;
879    bool flushed;
880    int64_t time_flush;
881 };
882 
883 struct si_sdma_upload {
884    struct si_resource *dst;
885    struct si_resource *src;
886    unsigned src_offset;
887    unsigned dst_offset;
888    unsigned size;
889 };
890 
891 struct si_small_prim_cull_info {
892    float scale[2], translate[2];
893 };
894 
895 struct si_context {
896    struct pipe_context b; /* base class */
897 
898    enum radeon_family family;
899    enum chip_class chip_class;
900 
901    struct radeon_winsys *ws;
902    struct radeon_winsys_ctx *ctx;
903    struct radeon_cmdbuf *gfx_cs; /* compute IB if graphics is disabled */
904    struct radeon_cmdbuf *sdma_cs;
905    struct pipe_fence_handle *last_gfx_fence;
906    struct pipe_fence_handle *last_sdma_fence;
907    struct si_resource *eop_bug_scratch;
908    struct u_upload_mgr *cached_gtt_allocator;
909    struct threaded_context *tc;
910    struct u_suballocator *allocator_zeroed_memory;
911    struct slab_child_pool pool_transfers;
912    struct slab_child_pool pool_transfers_unsync; /* for threaded_context */
913    struct pipe_device_reset_callback device_reset_callback;
914    struct u_log_context *log;
915    void *query_result_shader;
916    void *sh_query_result_shader;
917    struct si_resource *shadowed_regs;
918 
919    void (*emit_cache_flush)(struct si_context *ctx);
920 
921    struct blitter_context *blitter;
922    void *noop_blend;
923    void *noop_dsa;
924    void *discard_rasterizer_state;
925    void *custom_dsa_flush;
926    void *custom_blend_resolve;
927    void *custom_blend_fmask_decompress;
928    void *custom_blend_eliminate_fastclear;
929    void *custom_blend_dcc_decompress;
930    void *vs_blit_pos;
931    void *vs_blit_pos_layered;
932    void *vs_blit_color;
933    void *vs_blit_color_layered;
934    void *vs_blit_texcoord;
935    void *cs_clear_buffer;
936    void *cs_copy_buffer;
937    void *cs_copy_image;
938    void *cs_copy_image_1d_array;
939    void *cs_clear_render_target;
940    void *cs_clear_render_target_1d_array;
941    void *cs_clear_12bytes_buffer;
942    void *cs_dcc_decompress;
943    void *cs_dcc_retile;
944    void *cs_fmask_expand[3][2]; /* [log2(samples)-1][is_array] */
945    struct si_screen *screen;
946    struct pipe_debug_callback debug;
947    struct ac_llvm_compiler compiler; /* only non-threaded compilation */
948    struct si_shader_ctx_state fixed_func_tcs_shader;
949    /* Offset 0: EOP flush number; Offset 4: GDS prim restart counter */
950    struct si_resource *wait_mem_scratch;
951    unsigned wait_mem_number;
952    uint16_t prefetch_L2_mask;
953 
954    bool has_graphics;
955    bool gfx_flush_in_progress : 1;
956    bool gfx_last_ib_is_busy : 1;
957    bool compute_is_busy : 1;
958 
959    unsigned num_gfx_cs_flushes;
960    unsigned initial_gfx_cs_size;
961    unsigned last_dirty_tex_counter;
962    unsigned last_dirty_buf_counter;
963    unsigned last_compressed_colortex_counter;
964    unsigned last_num_draw_calls;
965    unsigned flags; /* flush flags */
966    /* Current unaccounted memory usage. */
967    uint64_t vram;
968    uint64_t gtt;
969 
970    /* Compute-based primitive discard. */
971    unsigned prim_discard_vertex_count_threshold;
972    struct pb_buffer *gds;
973    struct pb_buffer *gds_oa;
974    struct radeon_cmdbuf *prim_discard_compute_cs;
975    unsigned compute_gds_offset;
976    struct si_shader *compute_ib_last_shader;
977    uint32_t compute_rewind_va;
978    unsigned compute_num_prims_in_batch;
979    bool preserve_prim_restart_gds_at_flush;
980    /* index_ring is divided into 2 halves for doublebuffering. */
981    struct si_resource *index_ring;
982    unsigned index_ring_base;        /* offset of a per-IB portion */
983    unsigned index_ring_offset;      /* offset within a per-IB portion */
984    unsigned index_ring_size_per_ib; /* max available size per IB */
985    bool prim_discard_compute_ib_initialized;
986    /* For tracking the last execution barrier - it can be either
987     * a WRITE_DATA packet or a fence. */
988    uint32_t *last_pkt3_write_data;
989    struct si_resource *barrier_buf;
990    unsigned barrier_buf_offset;
991    struct pipe_fence_handle *last_ib_barrier_fence;
992    struct si_resource *last_ib_barrier_buf;
993    unsigned last_ib_barrier_buf_offset;
994 
995    /* Atoms (direct states). */
996    union si_state_atoms atoms;
997    unsigned dirty_atoms; /* mask */
998    /* PM4 states (precomputed immutable states) */
999    unsigned dirty_states;
1000    union si_state queued;
1001    union si_state emitted;
1002 
1003    /* Atom declarations. */
1004    struct si_framebuffer framebuffer;
1005    unsigned sample_locs_num_samples;
1006    uint16_t sample_mask;
1007    unsigned last_cb_target_mask;
1008    struct si_blend_color blend_color;
1009    struct si_clip_state clip_state;
1010    struct si_shader_data shader_pointers;
1011    struct si_stencil_ref stencil_ref;
1012    struct pipe_scissor_state scissors[SI_MAX_VIEWPORTS];
1013    struct si_streamout streamout;
1014    struct si_viewports viewports;
1015    unsigned num_window_rectangles;
1016    bool window_rectangles_include;
1017    struct pipe_scissor_state window_rectangles[4];
1018 
1019    /* Precomputed states. */
1020    struct si_pm4_state *cs_preamble_state;
1021    struct si_pm4_state *cs_preamble_gs_rings;
1022    bool cs_preamble_has_vgt_flush;
1023    struct si_pm4_state *vgt_shader_config[SI_NUM_VGT_STAGES_STATES];
1024 
1025    /* shaders */
1026    struct si_shader_ctx_state ps_shader;
1027    struct si_shader_ctx_state gs_shader;
1028    struct si_shader_ctx_state vs_shader;
1029    struct si_shader_ctx_state tcs_shader;
1030    struct si_shader_ctx_state tes_shader;
1031    struct si_shader_ctx_state cs_prim_discard_state;
1032    struct si_cs_shader_state cs_shader_state;
1033 
1034    /* shader information */
1035    struct si_vertex_elements *vertex_elements;
1036    unsigned num_vertex_elements;
1037    unsigned sprite_coord_enable;
1038    unsigned cs_max_waves_per_sh;
1039    bool flatshade;
1040    bool do_update_shaders;
1041    bool compute_shaderbuf_sgprs_dirty;
1042    bool compute_image_sgprs_dirty;
1043 
1044    /* shader descriptors */
1045    struct si_descriptors descriptors[SI_NUM_DESCS];
1046    unsigned descriptors_dirty;
1047    unsigned shader_pointers_dirty;
1048    unsigned shader_needs_decompress_mask;
1049    struct si_buffer_resources rw_buffers;
1050    struct si_buffer_resources const_and_shader_buffers[SI_NUM_SHADERS];
1051    struct si_samplers samplers[SI_NUM_SHADERS];
1052    struct si_images images[SI_NUM_SHADERS];
1053    bool bo_list_add_all_resident_resources;
1054    bool bo_list_add_all_gfx_resources;
1055    bool bo_list_add_all_compute_resources;
1056 
1057    /* other shader resources */
1058    struct pipe_constant_buffer null_const_buf; /* used for set_constant_buffer(NULL) on GFX7 */
1059    struct pipe_resource *esgs_ring;
1060    struct pipe_resource *gsvs_ring;
1061    struct pipe_resource *tess_rings;
1062    union pipe_color_union *border_color_table; /* in CPU memory, any endian */
1063    struct si_resource *border_color_buffer;
1064    union pipe_color_union *border_color_map; /* in VRAM (slow access), little endian */
1065    unsigned border_color_count;
1066    unsigned num_vs_blit_sgprs;
1067    uint32_t vs_blit_sh_data[SI_VS_BLIT_SGPRS_POS_TEXCOORD];
1068    uint32_t cs_user_data[4];
1069 
1070    /* Vertex buffers. */
1071    bool vertex_buffers_dirty;
1072    bool vertex_buffer_pointer_dirty;
1073    bool vertex_buffer_user_sgprs_dirty;
1074    struct pipe_vertex_buffer vertex_buffer[SI_NUM_VERTEX_BUFFERS];
1075    uint16_t vertex_buffer_unaligned; /* bitmask of not dword-aligned buffers */
1076    uint32_t *vb_descriptors_gpu_list;
1077    struct si_resource *vb_descriptors_buffer;
1078    unsigned vb_descriptors_offset;
1079    unsigned vb_descriptor_user_sgprs[5 * 4];
1080 
1081    /* MSAA config state. */
1082    int ps_iter_samples;
1083    bool ps_uses_fbfetch;
1084    bool smoothing_enabled;
1085 
1086    /* DB render state. */
1087    unsigned ps_db_shader_control;
1088    unsigned dbcb_copy_sample;
1089    bool dbcb_depth_copy_enabled : 1;
1090    bool dbcb_stencil_copy_enabled : 1;
1091    bool db_flush_depth_inplace : 1;
1092    bool db_flush_stencil_inplace : 1;
1093    bool db_depth_clear : 1;
1094    bool db_depth_disable_expclear : 1;
1095    bool db_stencil_clear : 1;
1096    bool db_stencil_disable_expclear : 1;
1097    bool occlusion_queries_disabled : 1;
1098    bool generate_mipmap_for_depth : 1;
1099 
1100    /* Emitted draw state. */
1101    bool gs_tri_strip_adj_fix : 1;
1102    bool ls_vgpr_fix : 1;
1103    bool prim_discard_cs_instancing : 1;
1104    bool ngg : 1;
1105    uint8_t ngg_culling;
1106    int last_index_size;
1107    int last_base_vertex;
1108    int last_start_instance;
1109    int last_instance_count;
1110    int last_drawid;
1111    int last_sh_base_reg;
1112    int last_primitive_restart_en;
1113    int last_restart_index;
1114    int last_prim;
1115    int last_multi_vgt_param;
1116    int last_gs_out_prim;
1117    int last_binning_enabled;
1118    unsigned current_vs_state;
1119    unsigned last_vs_state;
1120    enum pipe_prim_type current_rast_prim; /* primitive type after TES, GS */
1121 
1122    struct si_small_prim_cull_info last_small_prim_cull_info;
1123    struct si_resource *small_prim_cull_info_buf;
1124    uint64_t small_prim_cull_info_address;
1125    bool small_prim_cull_info_dirty;
1126 
1127    /* Scratch buffer */
1128    struct si_resource *scratch_buffer;
1129    unsigned scratch_waves;
1130    unsigned spi_tmpring_size;
1131    unsigned max_seen_scratch_bytes_per_wave;
1132    unsigned max_seen_compute_scratch_bytes_per_wave;
1133 
1134    struct si_resource *compute_scratch_buffer;
1135 
1136    /* Emitted derived tessellation state. */
1137    /* Local shader (VS), or HS if LS-HS are merged. */
1138    struct si_shader *last_ls;
1139    struct si_shader_selector *last_tcs;
1140    int last_num_tcs_input_cp;
1141    int last_tes_sh_base;
1142    bool last_tess_uses_primid;
1143    unsigned last_num_patches;
1144    int last_ls_hs_config;
1145 
1146    /* Debug state. */
1147    bool is_debug;
1148    struct si_saved_cs *current_saved_cs;
1149    uint64_t dmesg_timestamp;
1150    unsigned apitrace_call_number;
1151 
1152    /* Other state */
1153    bool need_check_render_feedback;
1154    bool decompression_enabled;
1155    bool dpbb_force_off;
1156    bool vs_writes_viewport_index;
1157    bool vs_disables_clipping_viewport;
1158 
1159    /* Precomputed IA_MULTI_VGT_PARAM */
1160    union si_vgt_param_key ia_multi_vgt_param_key;
1161    unsigned ia_multi_vgt_param[SI_NUM_VGT_PARAM_STATES];
1162 
1163    /* Bindless descriptors. */
1164    struct si_descriptors bindless_descriptors;
1165    struct util_idalloc bindless_used_slots;
1166    unsigned num_bindless_descriptors;
1167    bool bindless_descriptors_dirty;
1168    bool graphics_bindless_pointer_dirty;
1169    bool compute_bindless_pointer_dirty;
1170 
1171    /* Allocated bindless handles */
1172    struct hash_table *tex_handles;
1173    struct hash_table *img_handles;
1174 
1175    /* Resident bindless handles */
1176    struct util_dynarray resident_tex_handles;
1177    struct util_dynarray resident_img_handles;
1178 
1179    /* Resident bindless handles which need decompression */
1180    struct util_dynarray resident_tex_needs_color_decompress;
1181    struct util_dynarray resident_img_needs_color_decompress;
1182    struct util_dynarray resident_tex_needs_depth_decompress;
1183 
1184    /* Bindless state */
1185    bool uses_bindless_samplers;
1186    bool uses_bindless_images;
1187 
1188    /* MSAA sample locations.
1189     * The first index is the sample index.
1190     * The second index is the coordinate: X, Y. */
1191    struct {
1192       float x1[1][2];
1193       float x2[2][2];
1194       float x4[4][2];
1195       float x8[8][2];
1196       float x16[16][2];
1197    } sample_positions;
1198    struct pipe_resource *sample_pos_buffer;
1199 
1200    /* Misc stats. */
1201    unsigned num_draw_calls;
1202    unsigned num_decompress_calls;
1203    unsigned num_mrt_draw_calls;
1204    unsigned num_prim_restart_calls;
1205    unsigned num_spill_draw_calls;
1206    unsigned num_compute_calls;
1207    unsigned num_spill_compute_calls;
1208    unsigned num_dma_calls;
1209    unsigned num_cp_dma_calls;
1210    unsigned num_vs_flushes;
1211    unsigned num_ps_flushes;
1212    unsigned num_cs_flushes;
1213    unsigned num_cb_cache_flushes;
1214    unsigned num_db_cache_flushes;
1215    unsigned num_L2_invalidates;
1216    unsigned num_L2_writebacks;
1217    unsigned num_resident_handles;
1218    uint64_t num_alloc_tex_transfer_bytes;
1219    unsigned last_tex_ps_draw_ratio; /* for query */
1220    unsigned compute_num_verts_accepted;
1221    unsigned compute_num_verts_rejected;
1222    unsigned compute_num_verts_ineligible; /* due to low vertex count */
1223    unsigned context_roll;
1224 
1225    /* Queries. */
1226    /* Maintain the list of active queries for pausing between IBs. */
1227    int num_occlusion_queries;
1228    int num_perfect_occlusion_queries;
1229    int num_pipeline_stat_queries;
1230    struct list_head active_queries;
1231    unsigned num_cs_dw_queries_suspend;
1232 
1233    /* Render condition. */
1234    struct pipe_query *render_cond;
1235    unsigned render_cond_mode;
1236    bool render_cond_invert;
1237    bool render_cond_force_off; /* for u_blitter */
1238 
1239    /* For uploading data via GTT and copy to VRAM on context flush via SDMA. */
1240    bool sdma_uploads_in_progress;
1241    struct si_sdma_upload *sdma_uploads;
1242    unsigned num_sdma_uploads;
1243    unsigned max_sdma_uploads;
1244 
1245    /* Shader-based queries. */
1246    struct list_head shader_query_buffers;
1247    unsigned num_active_shader_queries;
1248 
1249    /* Statistics gathering for the DCC enablement heuristic. It can't be
1250     * in si_texture because si_texture can be shared by multiple
1251     * contexts. This is for back buffers only. We shouldn't get too many
1252     * of those.
1253     *
1254     * X11 DRI3 rotates among a finite set of back buffers. They should
1255     * all fit in this array. If they don't, separate DCC might never be
1256     * enabled by DCC stat gathering.
1257     */
1258    struct {
1259       struct si_texture *tex;
1260       /* Query queue: 0 = usually active, 1 = waiting, 2 = readback. */
1261       struct pipe_query *ps_stats[3];
1262       /* If all slots are used and another slot is needed,
1263        * the least recently used slot is evicted based on this. */
1264       int64_t last_use_timestamp;
1265       bool query_active;
1266    } dcc_stats[5];
1267 
1268    /* Copy one resource to another using async DMA. */
1269    void (*dma_copy)(struct pipe_context *ctx, struct pipe_resource *dst, unsigned dst_level,
1270                     unsigned dst_x, unsigned dst_y, unsigned dst_z, struct pipe_resource *src,
1271                     unsigned src_level, const struct pipe_box *src_box);
1272 
1273    struct si_tracked_regs tracked_regs;
1274 };
1275 
1276 /* cik_sdma.c */
1277 void cik_init_sdma_functions(struct si_context *sctx);
1278 
1279 /* si_blit.c */
1280 enum si_blitter_op /* bitmask */
1281 {
1282    SI_SAVE_TEXTURES = 1,
1283    SI_SAVE_FRAMEBUFFER = 2,
1284    SI_SAVE_FRAGMENT_STATE = 4,
1285    SI_DISABLE_RENDER_COND = 8,
1286 };
1287 
1288 void si_blitter_begin(struct si_context *sctx, enum si_blitter_op op);
1289 void si_blitter_end(struct si_context *sctx);
1290 void si_init_blit_functions(struct si_context *sctx);
1291 void si_decompress_textures(struct si_context *sctx, unsigned shader_mask);
1292 void si_decompress_subresource(struct pipe_context *ctx, struct pipe_resource *tex, unsigned planes,
1293                                unsigned level, unsigned first_layer, unsigned last_layer);
1294 void si_resource_copy_region(struct pipe_context *ctx, struct pipe_resource *dst,
1295                              unsigned dst_level, unsigned dstx, unsigned dsty, unsigned dstz,
1296                              struct pipe_resource *src, unsigned src_level,
1297                              const struct pipe_box *src_box);
1298 void si_decompress_dcc(struct si_context *sctx, struct si_texture *tex);
1299 
1300 /* si_buffer.c */
1301 bool si_rings_is_buffer_referenced(struct si_context *sctx, struct pb_buffer *buf,
1302                                    enum radeon_bo_usage usage);
1303 void *si_buffer_map_sync_with_rings(struct si_context *sctx, struct si_resource *resource,
1304                                     unsigned usage);
1305 void si_init_resource_fields(struct si_screen *sscreen, struct si_resource *res, uint64_t size,
1306                              unsigned alignment);
1307 bool si_alloc_resource(struct si_screen *sscreen, struct si_resource *res);
1308 struct pipe_resource *pipe_aligned_buffer_create(struct pipe_screen *screen, unsigned flags,
1309                                                  unsigned usage, unsigned size, unsigned alignment);
1310 struct si_resource *si_aligned_buffer_create(struct pipe_screen *screen, unsigned flags,
1311                                              unsigned usage, unsigned size, unsigned alignment);
1312 void si_replace_buffer_storage(struct pipe_context *ctx, struct pipe_resource *dst,
1313                                struct pipe_resource *src);
1314 void si_init_screen_buffer_functions(struct si_screen *sscreen);
1315 void si_init_buffer_functions(struct si_context *sctx);
1316 
1317 /* si_clear.c */
1318 enum pipe_format si_simplify_cb_format(enum pipe_format format);
1319 bool vi_alpha_is_on_msb(struct si_screen *sscreen, enum pipe_format format);
1320 bool vi_dcc_clear_level(struct si_context *sctx, struct si_texture *tex, unsigned level,
1321                         unsigned clear_value);
1322 void si_init_clear_functions(struct si_context *sctx);
1323 
1324 /* si_compute_blit.c */
1325 unsigned si_get_flush_flags(struct si_context *sctx, enum si_coherency coher,
1326                             enum si_cache_policy cache_policy);
1327 void si_clear_buffer(struct si_context *sctx, struct pipe_resource *dst, uint64_t offset,
1328                      uint64_t size, uint32_t *clear_value, uint32_t clear_value_size,
1329                      enum si_coherency coher, bool force_cpdma);
1330 void si_copy_buffer(struct si_context *sctx, struct pipe_resource *dst, struct pipe_resource *src,
1331                     uint64_t dst_offset, uint64_t src_offset, unsigned size);
1332 void si_compute_copy_image(struct si_context *sctx, struct pipe_resource *dst, unsigned dst_level,
1333                            struct pipe_resource *src, unsigned src_level, unsigned dstx,
1334                            unsigned dsty, unsigned dstz, const struct pipe_box *src_box,
1335                            bool is_dcc_decompress);
1336 void si_compute_clear_render_target(struct pipe_context *ctx, struct pipe_surface *dstsurf,
1337                                     const union pipe_color_union *color, unsigned dstx,
1338                                     unsigned dsty, unsigned width, unsigned height,
1339                                     bool render_condition_enabled);
1340 void si_retile_dcc(struct si_context *sctx, struct si_texture *tex);
1341 void si_compute_expand_fmask(struct pipe_context *ctx, struct pipe_resource *tex);
1342 void si_init_compute_blit_functions(struct si_context *sctx);
1343 
1344 /* si_cp_dma.c */
1345 #define SI_CPDMA_SKIP_CHECK_CS_SPACE (1 << 0) /* don't call need_cs_space */
1346 #define SI_CPDMA_SKIP_SYNC_AFTER     (1 << 1) /* don't wait for DMA after the copy */
1347 #define SI_CPDMA_SKIP_SYNC_BEFORE    (1 << 2) /* don't wait for DMA before the copy (RAW hazards) */
1348 #define SI_CPDMA_SKIP_GFX_SYNC       (1 << 3) /* don't flush caches and don't wait for PS/CS */
1349 #define SI_CPDMA_SKIP_BO_LIST_UPDATE (1 << 4) /* don't update the BO list */
1350 #define SI_CPDMA_SKIP_TMZ            (1 << 5) /* don't update tmz state */
1351 #define SI_CPDMA_SKIP_ALL                                                                          \
1352    (SI_CPDMA_SKIP_CHECK_CS_SPACE | SI_CPDMA_SKIP_SYNC_AFTER | SI_CPDMA_SKIP_SYNC_BEFORE |          \
1353     SI_CPDMA_SKIP_GFX_SYNC | SI_CPDMA_SKIP_BO_LIST_UPDATE | SI_CPDMA_SKIP_TMZ)
1354 
1355 void si_cp_dma_wait_for_idle(struct si_context *sctx);
1356 void si_cp_dma_clear_buffer(struct si_context *sctx, struct radeon_cmdbuf *cs,
1357                             struct pipe_resource *dst, uint64_t offset, uint64_t size,
1358                             unsigned value, unsigned user_flags, enum si_coherency coher,
1359                             enum si_cache_policy cache_policy);
1360 void si_cp_dma_copy_buffer(struct si_context *sctx, struct pipe_resource *dst,
1361                            struct pipe_resource *src, uint64_t dst_offset, uint64_t src_offset,
1362                            unsigned size, unsigned user_flags, enum si_coherency coher,
1363                            enum si_cache_policy cache_policy);
1364 void cik_prefetch_TC_L2_async(struct si_context *sctx, struct pipe_resource *buf, uint64_t offset,
1365                               unsigned size);
1366 void cik_emit_prefetch_L2(struct si_context *sctx, bool vertex_stage_only);
1367 void si_test_gds(struct si_context *sctx);
1368 void si_cp_write_data(struct si_context *sctx, struct si_resource *buf, unsigned offset,
1369                       unsigned size, unsigned dst_sel, unsigned engine, const void *data);
1370 void si_cp_copy_data(struct si_context *sctx, struct radeon_cmdbuf *cs, unsigned dst_sel,
1371                      struct si_resource *dst, unsigned dst_offset, unsigned src_sel,
1372                      struct si_resource *src, unsigned src_offset);
1373 
1374 /* si_cp_reg_shadowing.c */
1375 void si_init_cp_reg_shadowing(struct si_context *sctx);
1376 
1377 /* si_debug.c */
1378 void si_save_cs(struct radeon_winsys *ws, struct radeon_cmdbuf *cs, struct radeon_saved_cs *saved,
1379                 bool get_buffer_list);
1380 void si_clear_saved_cs(struct radeon_saved_cs *saved);
1381 void si_destroy_saved_cs(struct si_saved_cs *scs);
1382 void si_auto_log_cs(void *data, struct u_log_context *log);
1383 void si_log_hw_flush(struct si_context *sctx);
1384 void si_log_draw_state(struct si_context *sctx, struct u_log_context *log);
1385 void si_log_compute_state(struct si_context *sctx, struct u_log_context *log);
1386 void si_init_debug_functions(struct si_context *sctx);
1387 void si_check_vm_faults(struct si_context *sctx, struct radeon_saved_cs *saved,
1388                         enum ring_type ring);
1389 bool si_replace_shader(unsigned num, struct si_shader_binary *binary);
1390 
1391 /* si_dma_cs.c */
1392 void si_dma_emit_timestamp(struct si_context *sctx, struct si_resource *dst, uint64_t offset);
1393 void si_sdma_clear_buffer(struct si_context *sctx, struct pipe_resource *dst, uint64_t offset,
1394                           uint64_t size, unsigned clear_value);
1395 void si_sdma_copy_buffer(struct si_context *sctx, struct pipe_resource *dst,
1396                          struct pipe_resource *src, uint64_t dst_offset, uint64_t src_offset,
1397                          uint64_t size);
1398 void si_need_dma_space(struct si_context *ctx, unsigned num_dw, struct si_resource *dst,
1399                        struct si_resource *src);
1400 void si_flush_dma_cs(struct si_context *ctx, unsigned flags, struct pipe_fence_handle **fence);
1401 void si_screen_clear_buffer(struct si_screen *sscreen, struct pipe_resource *dst, uint64_t offset,
1402                             uint64_t size, unsigned value);
1403 
1404 /* si_fence.c */
1405 void si_cp_release_mem(struct si_context *ctx, struct radeon_cmdbuf *cs, unsigned event,
1406                        unsigned event_flags, unsigned dst_sel, unsigned int_sel, unsigned data_sel,
1407                        struct si_resource *buf, uint64_t va, uint32_t new_fence,
1408                        unsigned query_type);
1409 unsigned si_cp_write_fence_dwords(struct si_screen *screen);
1410 void si_cp_wait_mem(struct si_context *ctx, struct radeon_cmdbuf *cs, uint64_t va, uint32_t ref,
1411                     uint32_t mask, unsigned flags);
1412 void si_init_fence_functions(struct si_context *ctx);
1413 void si_init_screen_fence_functions(struct si_screen *screen);
1414 struct pipe_fence_handle *si_create_fence(struct pipe_context *ctx,
1415                                           struct tc_unflushed_batch_token *tc_token);
1416 
1417 /* si_get.c */
1418 void si_init_screen_get_functions(struct si_screen *sscreen);
1419 
1420 /* si_gfx_cs.c */
1421 void si_flush_gfx_cs(struct si_context *ctx, unsigned flags, struct pipe_fence_handle **fence);
1422 void si_allocate_gds(struct si_context *ctx);
1423 void si_set_tracked_regs_to_clear_state(struct si_context *ctx);
1424 void si_begin_new_gfx_cs(struct si_context *ctx, bool first_cs);
1425 void si_need_gfx_cs_space(struct si_context *ctx);
1426 void si_unref_sdma_uploads(struct si_context *sctx);
1427 
1428 /* si_gpu_load.c */
1429 void si_gpu_load_kill_thread(struct si_screen *sscreen);
1430 uint64_t si_begin_counter(struct si_screen *sscreen, unsigned type);
1431 unsigned si_end_counter(struct si_screen *sscreen, unsigned type, uint64_t begin);
1432 
1433 /* si_compute.c */
1434 void si_emit_initial_compute_regs(struct si_context *sctx, struct radeon_cmdbuf *cs);
1435 void si_init_compute_functions(struct si_context *sctx);
1436 
1437 /* si_compute_prim_discard.c */
1438 enum si_prim_discard_outcome
1439 {
1440    SI_PRIM_DISCARD_ENABLED,
1441    SI_PRIM_DISCARD_DISABLED,
1442    SI_PRIM_DISCARD_DRAW_SPLIT,
1443 };
1444 
1445 void si_build_prim_discard_compute_shader(struct si_shader_context *ctx);
1446 enum si_prim_discard_outcome
1447 si_prepare_prim_discard_or_split_draw(struct si_context *sctx, const struct pipe_draw_info *info,
1448                                       bool primitive_restart);
1449 void si_compute_signal_gfx(struct si_context *sctx);
1450 void si_dispatch_prim_discard_cs_and_draw(struct si_context *sctx,
1451                                           const struct pipe_draw_info *info, unsigned index_size,
1452                                           unsigned base_vertex, uint64_t input_indexbuf_va,
1453                                           unsigned input_indexbuf_max_elements);
1454 void si_initialize_prim_discard_tunables(struct si_screen *sscreen, bool is_aux_context,
1455                                          unsigned *prim_discard_vertex_count_threshold,
1456                                          unsigned *index_ring_size_per_ib);
1457 
1458 /* si_pipe.c */
1459 void si_init_compiler(struct si_screen *sscreen, struct ac_llvm_compiler *compiler);
1460 
1461 /* si_perfcounters.c */
1462 void si_init_perfcounters(struct si_screen *screen);
1463 void si_destroy_perfcounters(struct si_screen *screen);
1464 
1465 /* si_query.c */
1466 void si_init_screen_query_functions(struct si_screen *sscreen);
1467 void si_init_query_functions(struct si_context *sctx);
1468 void si_suspend_queries(struct si_context *sctx);
1469 void si_resume_queries(struct si_context *sctx);
1470 
1471 /* si_shaderlib_tgsi.c */
1472 void *si_get_blitter_vs(struct si_context *sctx, enum blitter_attrib_type type,
1473                         unsigned num_layers);
1474 void *si_create_fixed_func_tcs(struct si_context *sctx);
1475 void *si_create_dma_compute_shader(struct pipe_context *ctx, unsigned num_dwords_per_thread,
1476                                    bool dst_stream_cache_policy, bool is_copy);
1477 void *si_create_copy_image_compute_shader(struct pipe_context *ctx);
1478 void *si_create_copy_image_compute_shader_1d_array(struct pipe_context *ctx);
1479 void *si_create_dcc_decompress_cs(struct pipe_context *ctx);
1480 void *si_clear_render_target_shader(struct pipe_context *ctx);
1481 void *si_clear_render_target_shader_1d_array(struct pipe_context *ctx);
1482 void *si_clear_12bytes_buffer_shader(struct pipe_context *ctx);
1483 void *si_create_dcc_retile_cs(struct pipe_context *ctx);
1484 void *si_create_fmask_expand_cs(struct pipe_context *ctx, unsigned num_samples, bool is_array);
1485 void *si_create_query_result_cs(struct si_context *sctx);
1486 void *gfx10_create_sh_query_result_cs(struct si_context *sctx);
1487 
1488 /* gfx10_query.c */
1489 void gfx10_init_query(struct si_context *sctx);
1490 void gfx10_destroy_query(struct si_context *sctx);
1491 
1492 /* si_test_dma.c */
1493 void si_test_dma(struct si_screen *sscreen);
1494 
1495 /* si_test_clearbuffer.c */
1496 void si_test_dma_perf(struct si_screen *sscreen);
1497 
1498 /* si_uvd.c */
1499 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
1500                                                const struct pipe_video_codec *templ);
1501 
1502 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
1503                                                  const struct pipe_video_buffer *tmpl);
1504 
1505 /* si_viewport.c */
1506 void si_update_ngg_small_prim_precision(struct si_context *ctx);
1507 void si_get_small_prim_cull_info(struct si_context *sctx, struct si_small_prim_cull_info *out);
1508 void si_update_vs_viewport_state(struct si_context *ctx);
1509 void si_init_viewport_functions(struct si_context *ctx);
1510 
1511 /* si_texture.c */
1512 bool si_prepare_for_dma_blit(struct si_context *sctx, struct si_texture *dst, unsigned dst_level,
1513                              unsigned dstx, unsigned dsty, unsigned dstz, struct si_texture *src,
1514                              unsigned src_level, const struct pipe_box *src_box);
1515 void si_eliminate_fast_color_clear(struct si_context *sctx, struct si_texture *tex,
1516                                    bool *ctx_flushed);
1517 void si_texture_discard_cmask(struct si_screen *sscreen, struct si_texture *tex);
1518 bool si_init_flushed_depth_texture(struct pipe_context *ctx, struct pipe_resource *texture);
1519 void si_print_texture_info(struct si_screen *sscreen, struct si_texture *tex,
1520                            struct u_log_context *log);
1521 struct pipe_resource *si_texture_create(struct pipe_screen *screen,
1522                                         const struct pipe_resource *templ);
1523 bool vi_dcc_formats_compatible(struct si_screen *sscreen, enum pipe_format format1,
1524                                enum pipe_format format2);
1525 bool vi_dcc_formats_are_incompatible(struct pipe_resource *tex, unsigned level,
1526                                      enum pipe_format view_format);
1527 void vi_disable_dcc_if_incompatible_format(struct si_context *sctx, struct pipe_resource *tex,
1528                                            unsigned level, enum pipe_format view_format);
1529 struct pipe_surface *si_create_surface_custom(struct pipe_context *pipe,
1530                                               struct pipe_resource *texture,
1531                                               const struct pipe_surface *templ, unsigned width0,
1532                                               unsigned height0, unsigned width, unsigned height);
1533 unsigned si_translate_colorswap(enum pipe_format format, bool do_endian_swap);
1534 void vi_separate_dcc_try_enable(struct si_context *sctx, struct si_texture *tex);
1535 void vi_separate_dcc_start_query(struct si_context *sctx, struct si_texture *tex);
1536 void vi_separate_dcc_stop_query(struct si_context *sctx, struct si_texture *tex);
1537 void vi_separate_dcc_process_and_reset_stats(struct pipe_context *ctx, struct si_texture *tex);
1538 bool si_texture_disable_dcc(struct si_context *sctx, struct si_texture *tex);
1539 void si_init_screen_texture_functions(struct si_screen *sscreen);
1540 void si_init_context_texture_functions(struct si_context *sctx);
1541 
1542 /*
1543  * common helpers
1544  */
1545 
si_resource(struct pipe_resource * r)1546 static inline struct si_resource *si_resource(struct pipe_resource *r)
1547 {
1548    return (struct si_resource *)r;
1549 }
1550 
si_resource_reference(struct si_resource ** ptr,struct si_resource * res)1551 static inline void si_resource_reference(struct si_resource **ptr, struct si_resource *res)
1552 {
1553    pipe_resource_reference((struct pipe_resource **)ptr, (struct pipe_resource *)res);
1554 }
1555 
si_texture_reference(struct si_texture ** ptr,struct si_texture * res)1556 static inline void si_texture_reference(struct si_texture **ptr, struct si_texture *res)
1557 {
1558    pipe_resource_reference((struct pipe_resource **)ptr, &res->buffer.b.b);
1559 }
1560 
1561 static inline void
si_shader_selector_reference(struct si_context * sctx,struct si_shader_selector ** dst,struct si_shader_selector * src)1562 si_shader_selector_reference(struct si_context *sctx, /* sctx can optionally be NULL */
1563                              struct si_shader_selector **dst, struct si_shader_selector *src)
1564 {
1565    if (*dst == src)
1566       return;
1567 
1568    struct si_screen *sscreen = src ? src->screen : (*dst)->screen;
1569    util_shader_reference(&sctx->b, &sscreen->live_shader_cache, (void **)dst, src);
1570 }
1571 
vi_dcc_enabled(struct si_texture * tex,unsigned level)1572 static inline bool vi_dcc_enabled(struct si_texture *tex, unsigned level)
1573 {
1574    return tex->surface.dcc_offset && level < tex->surface.num_dcc_levels;
1575 }
1576 
si_tile_mode_index(struct si_texture * tex,unsigned level,bool stencil)1577 static inline unsigned si_tile_mode_index(struct si_texture *tex, unsigned level, bool stencil)
1578 {
1579    if (stencil)
1580       return tex->surface.u.legacy.stencil_tiling_index[level];
1581    else
1582       return tex->surface.u.legacy.tiling_index[level];
1583 }
1584 
si_get_minimum_num_gfx_cs_dwords(struct si_context * sctx)1585 static inline unsigned si_get_minimum_num_gfx_cs_dwords(struct si_context *sctx)
1586 {
1587    /* Don't count the needed CS space exactly and just use an upper bound.
1588     *
1589     * Also reserve space for stopping queries at the end of IB, because
1590     * the number of active queries is unlimited in theory.
1591     */
1592    return 2048 + sctx->num_cs_dw_queries_suspend;
1593 }
1594 
si_context_add_resource_size(struct si_context * sctx,struct pipe_resource * r)1595 static inline void si_context_add_resource_size(struct si_context *sctx, struct pipe_resource *r)
1596 {
1597    if (r) {
1598       /* Add memory usage for need_gfx_cs_space */
1599       sctx->vram += si_resource(r)->vram_usage;
1600       sctx->gtt += si_resource(r)->gart_usage;
1601    }
1602 }
1603 
si_invalidate_draw_sh_constants(struct si_context * sctx)1604 static inline void si_invalidate_draw_sh_constants(struct si_context *sctx)
1605 {
1606    sctx->last_base_vertex = SI_BASE_VERTEX_UNKNOWN;
1607    sctx->last_instance_count = SI_INSTANCE_COUNT_UNKNOWN;
1608 }
1609 
si_get_atom_bit(struct si_context * sctx,struct si_atom * atom)1610 static inline unsigned si_get_atom_bit(struct si_context *sctx, struct si_atom *atom)
1611 {
1612    return 1 << (atom - sctx->atoms.array);
1613 }
1614 
si_set_atom_dirty(struct si_context * sctx,struct si_atom * atom,bool dirty)1615 static inline void si_set_atom_dirty(struct si_context *sctx, struct si_atom *atom, bool dirty)
1616 {
1617    unsigned bit = si_get_atom_bit(sctx, atom);
1618 
1619    if (dirty)
1620       sctx->dirty_atoms |= bit;
1621    else
1622       sctx->dirty_atoms &= ~bit;
1623 }
1624 
si_is_atom_dirty(struct si_context * sctx,struct si_atom * atom)1625 static inline bool si_is_atom_dirty(struct si_context *sctx, struct si_atom *atom)
1626 {
1627    return (sctx->dirty_atoms & si_get_atom_bit(sctx, atom)) != 0;
1628 }
1629 
si_mark_atom_dirty(struct si_context * sctx,struct si_atom * atom)1630 static inline void si_mark_atom_dirty(struct si_context *sctx, struct si_atom *atom)
1631 {
1632    si_set_atom_dirty(sctx, atom, true);
1633 }
1634 
si_get_vs(struct si_context * sctx)1635 static inline struct si_shader_ctx_state *si_get_vs(struct si_context *sctx)
1636 {
1637    if (sctx->gs_shader.cso)
1638       return &sctx->gs_shader;
1639    if (sctx->tes_shader.cso)
1640       return &sctx->tes_shader;
1641 
1642    return &sctx->vs_shader;
1643 }
1644 
si_get_vs_info(struct si_context * sctx)1645 static inline struct si_shader_info *si_get_vs_info(struct si_context *sctx)
1646 {
1647    struct si_shader_ctx_state *vs = si_get_vs(sctx);
1648 
1649    return vs->cso ? &vs->cso->info : NULL;
1650 }
1651 
si_get_vs_state(struct si_context * sctx)1652 static inline struct si_shader *si_get_vs_state(struct si_context *sctx)
1653 {
1654    if (sctx->gs_shader.cso && sctx->gs_shader.current && !sctx->gs_shader.current->key.as_ngg)
1655       return sctx->gs_shader.cso->gs_copy_shader;
1656 
1657    struct si_shader_ctx_state *vs = si_get_vs(sctx);
1658    return vs->current ? vs->current : NULL;
1659 }
1660 
si_can_dump_shader(struct si_screen * sscreen,unsigned processor)1661 static inline bool si_can_dump_shader(struct si_screen *sscreen, unsigned processor)
1662 {
1663    return sscreen->debug_flags & (1 << processor);
1664 }
1665 
si_get_strmout_en(struct si_context * sctx)1666 static inline bool si_get_strmout_en(struct si_context *sctx)
1667 {
1668    return sctx->streamout.streamout_enabled || sctx->streamout.prims_gen_query_enabled;
1669 }
1670 
si_optimal_tcc_alignment(struct si_context * sctx,unsigned upload_size)1671 static inline unsigned si_optimal_tcc_alignment(struct si_context *sctx, unsigned upload_size)
1672 {
1673    unsigned alignment, tcc_cache_line_size;
1674 
1675    /* If the upload size is less than the cache line size (e.g. 16, 32),
1676     * the whole thing will fit into a cache line if we align it to its size.
1677     * The idea is that multiple small uploads can share a cache line.
1678     * If the upload size is greater, align it to the cache line size.
1679     */
1680    alignment = util_next_power_of_two(upload_size);
1681    tcc_cache_line_size = sctx->screen->info.tcc_cache_line_size;
1682    return MIN2(alignment, tcc_cache_line_size);
1683 }
1684 
si_saved_cs_reference(struct si_saved_cs ** dst,struct si_saved_cs * src)1685 static inline void si_saved_cs_reference(struct si_saved_cs **dst, struct si_saved_cs *src)
1686 {
1687    if (pipe_reference(&(*dst)->reference, &src->reference))
1688       si_destroy_saved_cs(*dst);
1689 
1690    *dst = src;
1691 }
1692 
si_make_CB_shader_coherent(struct si_context * sctx,unsigned num_samples,bool shaders_read_metadata,bool dcc_pipe_aligned)1693 static inline void si_make_CB_shader_coherent(struct si_context *sctx, unsigned num_samples,
1694                                               bool shaders_read_metadata, bool dcc_pipe_aligned)
1695 {
1696    sctx->flags |= SI_CONTEXT_FLUSH_AND_INV_CB | SI_CONTEXT_INV_VCACHE;
1697 
1698    if (sctx->chip_class >= GFX10) {
1699       if (sctx->screen->info.tcc_harvested)
1700          sctx->flags |= SI_CONTEXT_INV_L2;
1701       else if (shaders_read_metadata)
1702          sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
1703    } else if (sctx->chip_class == GFX9) {
1704       /* Single-sample color is coherent with shaders on GFX9, but
1705        * L2 metadata must be flushed if shaders read metadata.
1706        * (DCC, CMASK).
1707        */
1708       if (num_samples >= 2 || (shaders_read_metadata && !dcc_pipe_aligned))
1709          sctx->flags |= SI_CONTEXT_INV_L2;
1710       else if (shaders_read_metadata)
1711          sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
1712    } else {
1713       /* GFX6-GFX8 */
1714       sctx->flags |= SI_CONTEXT_INV_L2;
1715    }
1716 }
1717 
si_make_DB_shader_coherent(struct si_context * sctx,unsigned num_samples,bool include_stencil,bool shaders_read_metadata)1718 static inline void si_make_DB_shader_coherent(struct si_context *sctx, unsigned num_samples,
1719                                               bool include_stencil, bool shaders_read_metadata)
1720 {
1721    sctx->flags |= SI_CONTEXT_FLUSH_AND_INV_DB | SI_CONTEXT_INV_VCACHE;
1722 
1723    if (sctx->chip_class >= GFX10) {
1724       if (sctx->screen->info.tcc_harvested)
1725          sctx->flags |= SI_CONTEXT_INV_L2;
1726       else if (shaders_read_metadata)
1727          sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
1728    } else if (sctx->chip_class == GFX9) {
1729       /* Single-sample depth (not stencil) is coherent with shaders
1730        * on GFX9, but L2 metadata must be flushed if shaders read
1731        * metadata.
1732        */
1733       if (num_samples >= 2 || include_stencil)
1734          sctx->flags |= SI_CONTEXT_INV_L2;
1735       else if (shaders_read_metadata)
1736          sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
1737    } else {
1738       /* GFX6-GFX8 */
1739       sctx->flags |= SI_CONTEXT_INV_L2;
1740    }
1741 }
1742 
si_can_sample_zs(struct si_texture * tex,bool stencil_sampler)1743 static inline bool si_can_sample_zs(struct si_texture *tex, bool stencil_sampler)
1744 {
1745    return (stencil_sampler && tex->can_sample_s) || (!stencil_sampler && tex->can_sample_z);
1746 }
1747 
si_htile_enabled(struct si_texture * tex,unsigned level,unsigned zs_mask)1748 static inline bool si_htile_enabled(struct si_texture *tex, unsigned level, unsigned zs_mask)
1749 {
1750    if (zs_mask == PIPE_MASK_S && tex->htile_stencil_disabled)
1751       return false;
1752 
1753    return tex->surface.htile_offset && level == 0;
1754 }
1755 
vi_tc_compat_htile_enabled(struct si_texture * tex,unsigned level,unsigned zs_mask)1756 static inline bool vi_tc_compat_htile_enabled(struct si_texture *tex, unsigned level,
1757                                               unsigned zs_mask)
1758 {
1759    assert(!tex->tc_compatible_htile || tex->surface.htile_offset);
1760    return tex->tc_compatible_htile && si_htile_enabled(tex, level, zs_mask);
1761 }
1762 
si_get_ps_iter_samples(struct si_context * sctx)1763 static inline unsigned si_get_ps_iter_samples(struct si_context *sctx)
1764 {
1765    if (sctx->ps_uses_fbfetch)
1766       return sctx->framebuffer.nr_color_samples;
1767 
1768    return MIN2(sctx->ps_iter_samples, sctx->framebuffer.nr_color_samples);
1769 }
1770 
si_get_total_colormask(struct si_context * sctx)1771 static inline unsigned si_get_total_colormask(struct si_context *sctx)
1772 {
1773    if (sctx->queued.named.rasterizer->rasterizer_discard)
1774       return 0;
1775 
1776    struct si_shader_selector *ps = sctx->ps_shader.cso;
1777    if (!ps)
1778       return 0;
1779 
1780    unsigned colormask =
1781       sctx->framebuffer.colorbuf_enabled_4bit & sctx->queued.named.blend->cb_target_mask;
1782 
1783    if (!ps->info.properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS])
1784       colormask &= ps->colors_written_4bit;
1785    else if (!ps->colors_written_4bit)
1786       colormask = 0; /* color0 writes all cbufs, but it's not written */
1787 
1788    return colormask;
1789 }
1790 
1791 #define UTIL_ALL_PRIM_LINE_MODES                                                                   \
1792    ((1 << PIPE_PRIM_LINES) | (1 << PIPE_PRIM_LINE_LOOP) | (1 << PIPE_PRIM_LINE_STRIP) |            \
1793     (1 << PIPE_PRIM_LINES_ADJACENCY) | (1 << PIPE_PRIM_LINE_STRIP_ADJACENCY))
1794 
util_prim_is_lines(unsigned prim)1795 static inline bool util_prim_is_lines(unsigned prim)
1796 {
1797    return ((1 << prim) & UTIL_ALL_PRIM_LINE_MODES) != 0;
1798 }
1799 
util_prim_is_points_or_lines(unsigned prim)1800 static inline bool util_prim_is_points_or_lines(unsigned prim)
1801 {
1802    return ((1 << prim) & (UTIL_ALL_PRIM_LINE_MODES | (1 << PIPE_PRIM_POINTS))) != 0;
1803 }
1804 
util_rast_prim_is_triangles(unsigned prim)1805 static inline bool util_rast_prim_is_triangles(unsigned prim)
1806 {
1807    return ((1 << prim) &
1808            ((1 << PIPE_PRIM_TRIANGLES) | (1 << PIPE_PRIM_TRIANGLE_STRIP) |
1809             (1 << PIPE_PRIM_TRIANGLE_FAN) | (1 << PIPE_PRIM_QUADS) | (1 << PIPE_PRIM_QUAD_STRIP) |
1810             (1 << PIPE_PRIM_POLYGON) | (1 << PIPE_PRIM_TRIANGLES_ADJACENCY) |
1811             (1 << PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY)));
1812 }
1813 
1814 /**
1815  * Return true if there is enough memory in VRAM and GTT for the buffers
1816  * added so far.
1817  *
1818  * \param vram      VRAM memory size not added to the buffer list yet
1819  * \param gtt       GTT memory size not added to the buffer list yet
1820  */
radeon_cs_memory_below_limit(struct si_screen * screen,struct radeon_cmdbuf * cs,uint64_t vram,uint64_t gtt)1821 static inline bool radeon_cs_memory_below_limit(struct si_screen *screen, struct radeon_cmdbuf *cs,
1822                                                 uint64_t vram, uint64_t gtt)
1823 {
1824    vram += cs->used_vram;
1825    gtt += cs->used_gart;
1826 
1827    /* Anything that goes above the VRAM size should go to GTT. */
1828    if (vram > screen->info.vram_size)
1829       gtt += vram - screen->info.vram_size;
1830 
1831    /* Now we just need to check if we have enough GTT. */
1832    return gtt < screen->info.gart_size * 0.7;
1833 }
1834 
1835 /**
1836  * Add a buffer to the buffer list for the given command stream (CS).
1837  *
1838  * All buffers used by a CS must be added to the list. This tells the kernel
1839  * driver which buffers are used by GPU commands. Other buffers can
1840  * be swapped out (not accessible) during execution.
1841  *
1842  * The buffer list becomes empty after every context flush and must be
1843  * rebuilt.
1844  */
radeon_add_to_buffer_list(struct si_context * sctx,struct radeon_cmdbuf * cs,struct si_resource * bo,enum radeon_bo_usage usage,enum radeon_bo_priority priority)1845 static inline void radeon_add_to_buffer_list(struct si_context *sctx, struct radeon_cmdbuf *cs,
1846                                              struct si_resource *bo, enum radeon_bo_usage usage,
1847                                              enum radeon_bo_priority priority)
1848 {
1849    assert(usage);
1850    sctx->ws->cs_add_buffer(cs, bo->buf, (enum radeon_bo_usage)(usage | RADEON_USAGE_SYNCHRONIZED),
1851                            bo->domains, priority);
1852 }
1853 
1854 /**
1855  * Same as above, but also checks memory usage and flushes the context
1856  * accordingly.
1857  *
1858  * When this SHOULD NOT be used:
1859  *
1860  * - if si_context_add_resource_size has been called for the buffer
1861  *   followed by *_need_cs_space for checking the memory usage
1862  *
1863  * - if si_need_dma_space has been called for the buffer
1864  *
1865  * - when emitting state packets and draw packets (because preceding packets
1866  *   can't be re-emitted at that point)
1867  *
1868  * - if shader resource "enabled_mask" is not up-to-date or there is
1869  *   a different constraint disallowing a context flush
1870  */
radeon_add_to_gfx_buffer_list_check_mem(struct si_context * sctx,struct si_resource * bo,enum radeon_bo_usage usage,enum radeon_bo_priority priority,bool check_mem)1871 static inline void radeon_add_to_gfx_buffer_list_check_mem(struct si_context *sctx,
1872                                                            struct si_resource *bo,
1873                                                            enum radeon_bo_usage usage,
1874                                                            enum radeon_bo_priority priority,
1875                                                            bool check_mem)
1876 {
1877    if (check_mem &&
1878        !radeon_cs_memory_below_limit(sctx->screen, sctx->gfx_cs, sctx->vram + bo->vram_usage,
1879                                      sctx->gtt + bo->gart_usage))
1880       si_flush_gfx_cs(sctx, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL);
1881 
1882    radeon_add_to_buffer_list(sctx, sctx->gfx_cs, bo, usage, priority);
1883 }
1884 
si_compute_prim_discard_enabled(struct si_context * sctx)1885 static inline bool si_compute_prim_discard_enabled(struct si_context *sctx)
1886 {
1887    return sctx->prim_discard_vertex_count_threshold != UINT_MAX;
1888 }
1889 
si_get_wave_size(struct si_screen * sscreen,enum pipe_shader_type shader_type,bool ngg,bool es,bool gs_fast_launch,bool prim_discard_cs)1890 static inline unsigned si_get_wave_size(struct si_screen *sscreen,
1891                                         enum pipe_shader_type shader_type, bool ngg, bool es,
1892                                         bool gs_fast_launch, bool prim_discard_cs)
1893 {
1894    if (shader_type == PIPE_SHADER_COMPUTE)
1895       return sscreen->compute_wave_size;
1896    else if (shader_type == PIPE_SHADER_FRAGMENT)
1897       return sscreen->ps_wave_size;
1898    else if (gs_fast_launch)
1899       return 32; /* GS fast launch hangs with Wave64, so always use Wave32. */
1900    else if ((shader_type == PIPE_SHADER_VERTEX && prim_discard_cs) || /* only Wave64 implemented */
1901             (shader_type == PIPE_SHADER_VERTEX && es && !ngg) ||
1902             (shader_type == PIPE_SHADER_TESS_EVAL && es && !ngg) ||
1903             (shader_type == PIPE_SHADER_GEOMETRY && !ngg)) /* legacy GS only supports Wave64 */
1904       return 64;
1905    else
1906       return sscreen->ge_wave_size;
1907 }
1908 
si_get_shader_wave_size(struct si_shader * shader)1909 static inline unsigned si_get_shader_wave_size(struct si_shader *shader)
1910 {
1911    return si_get_wave_size(shader->selector->screen, shader->selector->type, shader->key.as_ngg,
1912                            shader->key.as_es,
1913                            shader->key.opt.ngg_culling & SI_NGG_CULL_GS_FAST_LAUNCH_ALL,
1914                            shader->key.opt.vs_as_prim_discard_cs);
1915 }
1916 
1917 #define PRINT_ERR(fmt, args...)                                                                    \
1918    fprintf(stderr, "EE %s:%d %s - " fmt, __FILE__, __LINE__, __func__, ##args)
1919 
1920 #endif
1921