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 #define SI_RESOURCE_FLAG_DRIVER_INTERNAL   (PIPE_RESOURCE_FLAG_DRV_PRIV << 13)
127 
128 enum si_clear_code
129 {
130    DCC_CLEAR_COLOR_0000 = 0x00000000,
131    DCC_CLEAR_COLOR_0001 = 0x40404040,
132    DCC_CLEAR_COLOR_1110 = 0x80808080,
133    DCC_CLEAR_COLOR_1111 = 0xC0C0C0C0,
134    DCC_CLEAR_COLOR_REG = 0x20202020,
135    DCC_UNCOMPRESSED = 0xFFFFFFFF,
136 };
137 
138 #define SI_IMAGE_ACCESS_AS_BUFFER (1 << 7)
139 #define SI_IMAGE_ACCESS_DCC_OFF   (1 << 8)
140 
141 /* Debug flags. */
142 enum
143 {
144    /* Shader logging options: */
145    DBG_VS = MESA_SHADER_VERTEX,
146    DBG_TCS = MESA_SHADER_TESS_CTRL,
147    DBG_TES = MESA_SHADER_TESS_EVAL,
148    DBG_GS = MESA_SHADER_GEOMETRY,
149    DBG_PS = MESA_SHADER_FRAGMENT,
150    DBG_CS = MESA_SHADER_COMPUTE,
151    DBG_NO_IR,
152    DBG_NO_NIR,
153    DBG_NO_ASM,
154    DBG_PREOPT_IR,
155 
156    /* Shader compiler options the shader cache should be aware of: */
157    DBG_FS_CORRECT_DERIVS_AFTER_KILL,
158    DBG_GISEL,
159    DBG_W32_GE,
160    DBG_W32_PS,
161    DBG_W32_CS,
162    DBG_W64_GE,
163    DBG_W64_PS,
164    DBG_W64_CS,
165 
166    /* Shader compiler options (with no effect on the shader cache): */
167    DBG_CHECK_IR,
168    DBG_MONOLITHIC_SHADERS,
169    DBG_NO_OPT_VARIANT,
170 
171    /* Information logging options: */
172    DBG_INFO,
173    DBG_TEX,
174    DBG_COMPUTE,
175    DBG_VM,
176    DBG_CACHE_STATS,
177 
178    /* Driver options: */
179    DBG_FORCE_SDMA,
180    DBG_NO_SDMA,
181    DBG_NO_SDMA_CLEARS,
182    DBG_NO_SDMA_COPY_IMAGE,
183    DBG_NO_WC,
184    DBG_CHECK_VM,
185    DBG_RESERVE_VMID,
186    DBG_ZERO_VRAM,
187    DBG_SHADOW_REGS,
188 
189    /* 3D engine options: */
190    DBG_NO_GFX,
191    DBG_NO_NGG,
192    DBG_ALWAYS_NGG_CULLING_ALL,
193    DBG_ALWAYS_NGG_CULLING_TESS,
194    DBG_NO_NGG_CULLING,
195    DBG_ALWAYS_PD,
196    DBG_PD,
197    DBG_NO_PD,
198    DBG_SWITCH_ON_EOP,
199    DBG_NO_OUT_OF_ORDER,
200    DBG_NO_DPBB,
201    DBG_NO_DFSM,
202    DBG_DPBB,
203    DBG_DFSM,
204    DBG_NO_HYPERZ,
205    DBG_NO_RB_PLUS,
206    DBG_NO_2D_TILING,
207    DBG_NO_TILING,
208    DBG_NO_DCC,
209    DBG_NO_DCC_CLEAR,
210    DBG_NO_DCC_FB,
211    DBG_NO_DCC_MSAA,
212    DBG_NO_FMASK,
213 
214    DBG_TMZ,
215 
216    DBG_COUNT
217 };
218 
219 enum
220 {
221    /* Tests: */
222    DBG_TEST_DMA,
223    DBG_TEST_VMFAULT_CP,
224    DBG_TEST_VMFAULT_SDMA,
225    DBG_TEST_VMFAULT_SHADER,
226    DBG_TEST_DMA_PERF,
227    DBG_TEST_GDS,
228    DBG_TEST_GDS_MM,
229    DBG_TEST_GDS_OA_MM,
230 };
231 
232 #define DBG_ALL_SHADERS (((1 << (DBG_CS + 1)) - 1))
233 #define DBG(name)       (1ull << DBG_##name)
234 
235 enum si_cache_policy
236 {
237    L2_BYPASS,
238    L2_STREAM, /* same as SLC=1 */
239    L2_LRU,    /* same as SLC=0 */
240 };
241 
242 enum si_coherency
243 {
244    SI_COHERENCY_NONE, /* no cache flushes needed */
245    SI_COHERENCY_SHADER,
246    SI_COHERENCY_CB_META,
247    SI_COHERENCY_DB_META,
248    SI_COHERENCY_CP,
249 };
250 
251 struct si_compute;
252 struct si_shader_context;
253 struct hash_table;
254 struct u_suballocator;
255 
256 /* Only 32-bit buffer allocations are supported, gallium doesn't support more
257  * at the moment.
258  */
259 struct si_resource {
260    struct threaded_resource b;
261 
262    /* Winsys objects. */
263    struct pb_buffer *buf;
264    uint64_t gpu_address;
265    /* Memory usage if the buffer placement is optimal. */
266    uint64_t vram_usage;
267    uint64_t gart_usage;
268 
269    /* Resource properties. */
270    uint64_t bo_size;
271    unsigned bo_alignment;
272    enum radeon_bo_domain domains;
273    enum radeon_bo_flag flags;
274    unsigned bind_history;
275    int max_forced_staging_uploads;
276 
277    /* The buffer range which is initialized (with a write transfer,
278     * streamout, DMA, or as a random access target). The rest of
279     * the buffer is considered invalid and can be mapped unsynchronized.
280     *
281     * This allows unsychronized mapping of a buffer range which hasn't
282     * been used yet. It's for applications which forget to use
283     * the unsynchronized map flag and expect the driver to figure it out.
284     */
285    struct util_range valid_buffer_range;
286 
287    /* For buffers only. This indicates that a write operation has been
288     * performed by TC L2, but the cache hasn't been flushed.
289     * Any hw block which doesn't use or bypasses TC L2 should check this
290     * flag and flush the cache before using the buffer.
291     *
292     * For example, TC L2 must be flushed if a buffer which has been
293     * modified by a shader store instruction is about to be used as
294     * an index buffer. The reason is that VGT DMA index fetching doesn't
295     * use TC L2.
296     */
297    bool TC_L2_dirty;
298 
299    /* Whether this resource is referenced by bindless handles. */
300    bool texture_handle_allocated;
301    bool image_handle_allocated;
302 
303    /* Whether the resource has been exported via resource_get_handle. */
304    unsigned external_usage; /* PIPE_HANDLE_USAGE_* */
305 };
306 
307 struct si_transfer {
308    struct threaded_transfer b;
309    struct si_resource *staging;
310    unsigned offset;
311 };
312 
313 struct si_texture {
314    struct si_resource buffer;
315 
316    struct radeon_surf surface;
317    struct si_texture *flushed_depth_texture;
318 
319    /* One texture allocation can contain these buffers:
320     * - image (pixel data)
321     * - FMASK buffer (MSAA compression)
322     * - CMASK buffer (MSAA compression and/or legacy fast color clear)
323     * - HTILE buffer (Z/S compression and fast Z/S clear)
324     * - DCC buffer (color compression and new fast color clear)
325     * - displayable DCC buffer (if the DCC buffer is not displayable)
326     * - DCC retile mapping buffer (if the DCC buffer is not displayable)
327     */
328    uint64_t cmask_base_address_reg;
329    struct si_resource *cmask_buffer;
330    unsigned cb_color_info; /* fast clear enable bit */
331    unsigned color_clear_value[2];
332    unsigned last_msaa_resolve_target_micro_mode;
333    unsigned num_level0_transfers;
334    unsigned plane_index; /* other planes are different pipe_resources */
335    unsigned num_planes;
336 
337    /* Depth buffer compression and fast clear. */
338    float depth_clear_value;
339    uint16_t dirty_level_mask;         /* each bit says if that mipmap is compressed */
340    uint16_t stencil_dirty_level_mask; /* each bit says if that mipmap is compressed */
341    enum pipe_format db_render_format : 16;
342    uint8_t stencil_clear_value;
343    bool fmask_is_identity : 1;
344    bool tc_compatible_htile : 1;
345    bool enable_tc_compatible_htile_next_clear : 1;
346    bool htile_stencil_disabled : 1;
347    bool depth_cleared : 1;   /* if it was cleared at least once */
348    bool stencil_cleared : 1; /* if it was cleared at least once */
349    bool upgraded_depth : 1;  /* upgraded from unorm to Z32_FLOAT */
350    bool is_depth : 1;
351    bool db_compatible : 1;
352    bool can_sample_z : 1;
353    bool can_sample_s : 1;
354 
355    /* We need to track DCC dirtiness, because st/dri usually calls
356     * flush_resource twice per frame (not a bug) and we don't wanna
357     * decompress DCC twice. Also, the dirty tracking must be done even
358     * if DCC isn't used, because it's required by the DCC usage analysis
359     * for a possible future enablement.
360     */
361    bool separate_dcc_dirty : 1;
362    bool displayable_dcc_dirty : 1;
363 
364    /* Statistics gathering for the DCC enablement heuristic. */
365    bool dcc_gather_statistics : 1;
366    /* Counter that should be non-zero if the texture is bound to a
367     * framebuffer.
368     */
369    unsigned framebuffers_bound;
370    /* Whether the texture is a displayable back buffer and needs DCC
371     * decompression, which is expensive. Therefore, it's enabled only
372     * if statistics suggest that it will pay off and it's allocated
373     * separately. It can't be bound as a sampler by apps. Limited to
374     * target == 2D and last_level == 0. If enabled, dcc_offset contains
375     * the absolute GPUVM address, not the relative one.
376     */
377    struct si_resource *dcc_separate_buffer;
378    /* When DCC is temporarily disabled, the separate buffer is here. */
379    struct si_resource *last_dcc_separate_buffer;
380    /* Estimate of how much this color buffer is written to in units of
381     * full-screen draws: ps_invocations / (width * height)
382     * Shader kills, late Z, and blending with trivial discards make it
383     * inaccurate (we need to count CB updates, not PS invocations).
384     */
385    unsigned ps_draw_ratio;
386    /* The number of clears since the last DCC usage analysis. */
387    unsigned num_slow_clears;
388 
389    struct si_resource *dcc_retile_buffer;
390 };
391 
392 struct si_surface {
393    struct pipe_surface base;
394 
395    /* These can vary with block-compressed textures. */
396    uint16_t width0;
397    uint16_t height0;
398 
399    bool color_initialized : 1;
400    bool depth_initialized : 1;
401 
402    /* Misc. color flags. */
403    bool color_is_int8 : 1;
404    bool color_is_int10 : 1;
405    bool dcc_incompatible : 1;
406 
407    /* Color registers. */
408    unsigned cb_color_info;
409    unsigned cb_color_view;
410    unsigned cb_color_attrib;
411    unsigned cb_color_attrib2;                      /* GFX9 and later */
412    unsigned cb_color_attrib3;                      /* GFX10 and later */
413    unsigned cb_dcc_control;                        /* GFX8 and later */
414    unsigned spi_shader_col_format : 8;             /* no blending, no alpha-to-coverage. */
415    unsigned spi_shader_col_format_alpha : 8;       /* alpha-to-coverage */
416    unsigned spi_shader_col_format_blend : 8;       /* blending without alpha. */
417    unsigned spi_shader_col_format_blend_alpha : 8; /* blending with alpha. */
418 
419    /* DB registers. */
420    uint64_t db_depth_base; /* DB_Z_READ/WRITE_BASE */
421    uint64_t db_stencil_base;
422    uint64_t db_htile_data_base;
423    unsigned db_depth_info;
424    unsigned db_z_info;
425    unsigned db_z_info2; /* GFX9 only */
426    unsigned db_depth_view;
427    unsigned db_depth_size;
428    unsigned db_depth_slice;
429    unsigned db_stencil_info;
430    unsigned db_stencil_info2; /* GFX9 only */
431    unsigned db_htile_surface;
432 };
433 
434 struct si_mmio_counter {
435    unsigned busy;
436    unsigned idle;
437 };
438 
439 union si_mmio_counters {
440    struct si_mmio_counters_named {
441       /* For global GPU load including SDMA. */
442       struct si_mmio_counter gpu;
443 
444       /* GRBM_STATUS */
445       struct si_mmio_counter spi;
446       struct si_mmio_counter gui;
447       struct si_mmio_counter ta;
448       struct si_mmio_counter gds;
449       struct si_mmio_counter vgt;
450       struct si_mmio_counter ia;
451       struct si_mmio_counter sx;
452       struct si_mmio_counter wd;
453       struct si_mmio_counter bci;
454       struct si_mmio_counter sc;
455       struct si_mmio_counter pa;
456       struct si_mmio_counter db;
457       struct si_mmio_counter cp;
458       struct si_mmio_counter cb;
459 
460       /* SRBM_STATUS2 */
461       struct si_mmio_counter sdma;
462 
463       /* CP_STAT */
464       struct si_mmio_counter pfp;
465       struct si_mmio_counter meq;
466       struct si_mmio_counter me;
467       struct si_mmio_counter surf_sync;
468       struct si_mmio_counter cp_dma;
469       struct si_mmio_counter scratch_ram;
470    } named;
471 
472    unsigned array[sizeof(struct si_mmio_counters_named) / sizeof(unsigned)];
473 };
474 
475 struct si_memory_object {
476    struct pipe_memory_object b;
477    struct pb_buffer *buf;
478    uint32_t stride;
479 };
480 
481 /* Saved CS data for debugging features. */
482 struct radeon_saved_cs {
483    uint32_t *ib;
484    unsigned num_dw;
485 
486    struct radeon_bo_list_item *bo_list;
487    unsigned bo_count;
488 };
489 
490 struct si_screen {
491    struct pipe_screen b;
492    struct radeon_winsys *ws;
493    struct disk_cache *disk_shader_cache;
494 
495    struct radeon_info info;
496    struct nir_shader_compiler_options nir_options;
497    uint64_t debug_flags;
498    char renderer_string[183];
499 
500    void (*make_texture_descriptor)(struct si_screen *screen, struct si_texture *tex, bool sampler,
501                                    enum pipe_texture_target target, enum pipe_format pipe_format,
502                                    const unsigned char state_swizzle[4], unsigned first_level,
503                                    unsigned last_level, unsigned first_layer, unsigned last_layer,
504                                    unsigned width, unsigned height, unsigned depth, uint32_t *state,
505                                    uint32_t *fmask_state);
506 
507    unsigned num_vbos_in_user_sgprs;
508    unsigned pa_sc_raster_config;
509    unsigned pa_sc_raster_config_1;
510    unsigned se_tile_repeat;
511    unsigned gs_table_depth;
512    unsigned tess_offchip_block_dw_size;
513    unsigned tess_offchip_ring_size;
514    unsigned tess_factor_ring_size;
515    unsigned vgt_hs_offchip_param;
516    unsigned eqaa_force_coverage_samples;
517    unsigned eqaa_force_z_samples;
518    unsigned eqaa_force_color_samples;
519    unsigned pbb_context_states_per_bin;
520    unsigned pbb_persistent_states_per_bin;
521    bool has_draw_indirect_multi;
522    bool has_out_of_order_rast;
523    bool assume_no_z_fights;
524    bool commutative_blend_add;
525    bool dpbb_allowed;
526    bool dfsm_allowed;
527    bool llvm_has_working_vgpr_indexing;
528    bool use_ngg;
529    bool use_ngg_culling;
530    bool use_ngg_streamout;
531 
532    struct {
533 #define OPT_BOOL(name, dflt, description) bool name : 1;
534 #include "si_debug_options.h"
535    } options;
536 
537    /* Whether shaders are monolithic (1-part) or separate (3-part). */
538    bool use_monolithic_shaders;
539    bool record_llvm_ir;
540    bool dcc_msaa_allowed;
541 
542    struct slab_parent_pool pool_transfers;
543 
544    /* Texture filter settings. */
545    int force_aniso; /* -1 = disabled */
546 
547    /* Auxiliary context. Mainly used to initialize resources.
548     * It must be locked prior to using and flushed before unlocking. */
549    struct pipe_context *aux_context;
550    simple_mtx_t aux_context_lock;
551 
552    /* This must be in the screen, because UE4 uses one context for
553     * compilation and another one for rendering.
554     */
555    unsigned num_compilations;
556    /* Along with ST_DEBUG=precompile, this should show if applications
557     * are loading shaders on demand. This is a monotonic counter.
558     */
559    unsigned num_shaders_created;
560    unsigned num_memory_shader_cache_hits;
561    unsigned num_memory_shader_cache_misses;
562    unsigned num_disk_shader_cache_hits;
563    unsigned num_disk_shader_cache_misses;
564 
565    /* GPU load thread. */
566    simple_mtx_t gpu_load_mutex;
567    thrd_t gpu_load_thread;
568    union si_mmio_counters mmio_counters;
569    volatile unsigned gpu_load_stop_thread; /* bool */
570 
571    /* Performance counters. */
572    struct si_perfcounters *perfcounters;
573 
574    /* If pipe_screen wants to recompute and re-emit the framebuffer,
575     * sampler, and image states of all contexts, it should atomically
576     * increment this.
577     *
578     * Each context will compare this with its own last known value of
579     * the counter before drawing and re-emit the states accordingly.
580     */
581    unsigned dirty_tex_counter;
582    unsigned dirty_buf_counter;
583 
584    /* Atomically increment this counter when an existing texture's
585     * metadata is enabled or disabled in a way that requires changing
586     * contexts' compressed texture binding masks.
587     */
588    unsigned compressed_colortex_counter;
589 
590    struct {
591       /* Context flags to set so that all writes from earlier jobs
592        * in the CP are seen by L2 clients.
593        */
594       unsigned cp_to_L2;
595 
596       /* Context flags to set so that all writes from earlier jobs
597        * that end in L2 are seen by CP.
598        */
599       unsigned L2_to_cp;
600    } barrier_flags;
601 
602    simple_mtx_t shader_parts_mutex;
603    struct si_shader_part *vs_prologs;
604    struct si_shader_part *tcs_epilogs;
605    struct si_shader_part *gs_prologs;
606    struct si_shader_part *ps_prologs;
607    struct si_shader_part *ps_epilogs;
608 
609    /* Shader cache in memory.
610     *
611     * Design & limitations:
612     * - The shader cache is per screen (= per process), never saved to
613     *   disk, and skips redundant shader compilations from NIR to bytecode.
614     * - It can only be used with one-variant-per-shader support, in which
615     *   case only the main (typically middle) part of shaders is cached.
616     * - Only VS, TCS, TES, PS are cached, out of which only the hw VS
617     *   variants of VS and TES are cached, so LS and ES aren't.
618     * - GS and CS aren't cached, but it's certainly possible to cache
619     *   those as well.
620     */
621    simple_mtx_t shader_cache_mutex;
622    struct hash_table *shader_cache;
623 
624    /* Shader cache of live shaders. */
625    struct util_live_shader_cache live_shader_cache;
626 
627    /* Shader compiler queue for multithreaded compilation. */
628    struct util_queue shader_compiler_queue;
629    /* Use at most 3 normal compiler threads on quadcore and better.
630     * Hyperthreaded CPUs report the number of threads, but we want
631     * the number of cores. We only need this many threads for shader-db. */
632    struct ac_llvm_compiler compiler[24]; /* used by the queue only */
633 
634    struct util_queue shader_compiler_queue_low_priority;
635    /* Use at most 2 low priority threads on quadcore and better.
636     * We want to minimize the impact on multithreaded Mesa. */
637    struct ac_llvm_compiler compiler_lowp[10];
638 
639    unsigned compute_wave_size;
640    unsigned ps_wave_size;
641    unsigned ge_wave_size;
642 };
643 
644 struct si_blend_color {
645    struct pipe_blend_color state;
646    bool any_nonzeros;
647 };
648 
649 struct si_sampler_view {
650    struct pipe_sampler_view base;
651    /* [0..7] = image descriptor
652     * [4..7] = buffer descriptor */
653    uint32_t state[8];
654    uint32_t fmask_state[8];
655    const struct legacy_surf_level *base_level_info;
656    ubyte base_level;
657    ubyte block_width;
658    bool is_stencil_sampler;
659    bool is_integer;
660    bool dcc_incompatible;
661 };
662 
663 #define SI_SAMPLER_STATE_MAGIC 0x34f1c35a
664 
665 struct si_sampler_state {
666 #ifndef NDEBUG
667    unsigned magic;
668 #endif
669    uint32_t val[4];
670    uint32_t integer_val[4];
671    uint32_t upgraded_depth_val[4];
672 };
673 
674 struct si_cs_shader_state {
675    struct si_compute *program;
676    struct si_compute *emitted_program;
677    unsigned offset;
678    bool initialized;
679    bool uses_scratch;
680 };
681 
682 struct si_samplers {
683    struct pipe_sampler_view *views[SI_NUM_SAMPLERS];
684    struct si_sampler_state *sampler_states[SI_NUM_SAMPLERS];
685 
686    /* The i-th bit is set if that element is enabled (non-NULL resource). */
687    unsigned enabled_mask;
688    uint32_t needs_depth_decompress_mask;
689    uint32_t needs_color_decompress_mask;
690 };
691 
692 struct si_images {
693    struct pipe_image_view views[SI_NUM_IMAGES];
694    uint32_t needs_color_decompress_mask;
695    unsigned enabled_mask;
696 };
697 
698 struct si_framebuffer {
699    struct pipe_framebuffer_state state;
700    unsigned colorbuf_enabled_4bit;
701    unsigned spi_shader_col_format;
702    unsigned spi_shader_col_format_alpha;
703    unsigned spi_shader_col_format_blend;
704    unsigned spi_shader_col_format_blend_alpha;
705    ubyte nr_samples : 5;   /* at most 16xAA */
706    ubyte log_samples : 3;  /* at most 4 = 16xAA */
707    ubyte nr_color_samples; /* at most 8xAA */
708    ubyte compressed_cb_mask;
709    ubyte uncompressed_cb_mask;
710    ubyte color_is_int8;
711    ubyte color_is_int10;
712    ubyte dirty_cbufs;
713    ubyte dcc_overwrite_combiner_watermark;
714    ubyte min_bytes_per_pixel;
715    bool dirty_zsbuf;
716    bool any_dst_linear;
717    bool CB_has_shader_readable_metadata;
718    bool DB_has_shader_readable_metadata;
719    bool all_DCC_pipe_aligned;
720 };
721 
722 enum si_quant_mode
723 {
724    /* This is the list we want to support. */
725    SI_QUANT_MODE_16_8_FIXED_POINT_1_256TH,
726    SI_QUANT_MODE_14_10_FIXED_POINT_1_1024TH,
727    SI_QUANT_MODE_12_12_FIXED_POINT_1_4096TH,
728 };
729 
730 struct si_signed_scissor {
731    int minx;
732    int miny;
733    int maxx;
734    int maxy;
735    enum si_quant_mode quant_mode;
736 };
737 
738 struct si_viewports {
739    struct pipe_viewport_state states[SI_MAX_VIEWPORTS];
740    struct si_signed_scissor as_scissor[SI_MAX_VIEWPORTS];
741    bool y_inverted;
742 };
743 
744 struct si_clip_state {
745    struct pipe_clip_state state;
746    bool any_nonzeros;
747 };
748 
749 struct si_streamout_target {
750    struct pipe_stream_output_target b;
751 
752    /* The buffer where BUFFER_FILLED_SIZE is stored. */
753    struct si_resource *buf_filled_size;
754    unsigned buf_filled_size_offset;
755    bool buf_filled_size_valid;
756 
757    unsigned stride_in_dw;
758 };
759 
760 struct si_streamout {
761    bool begin_emitted;
762 
763    unsigned enabled_mask;
764    unsigned num_targets;
765    struct si_streamout_target *targets[PIPE_MAX_SO_BUFFERS];
766 
767    unsigned append_bitmask;
768    bool suspended;
769 
770    /* External state which comes from the vertex shader,
771     * it must be set explicitly when binding a shader. */
772    uint16_t *stride_in_dw;
773    unsigned enabled_stream_buffers_mask; /* stream0 buffers0-3 in 4 LSB */
774 
775    /* The state of VGT_STRMOUT_BUFFER_(CONFIG|EN). */
776    unsigned hw_enabled_mask;
777 
778    /* The state of VGT_STRMOUT_(CONFIG|EN). */
779    bool streamout_enabled;
780    bool prims_gen_query_enabled;
781    int num_prims_gen_queries;
782 };
783 
784 /* A shader state consists of the shader selector, which is a constant state
785  * object shared by multiple contexts and shouldn't be modified, and
786  * the current shader variant selected for this context.
787  */
788 struct si_shader_ctx_state {
789    struct si_shader_selector *cso;
790    struct si_shader *current;
791 };
792 
793 #define SI_NUM_VGT_PARAM_KEY_BITS 12
794 #define SI_NUM_VGT_PARAM_STATES   (1 << SI_NUM_VGT_PARAM_KEY_BITS)
795 
796 /* The IA_MULTI_VGT_PARAM key used to index the table of precomputed values.
797  * Some fields are set by state-change calls, most are set by draw_vbo.
798  */
799 union si_vgt_param_key {
800    struct {
801 #if UTIL_ARCH_LITTLE_ENDIAN
802       unsigned prim : 4;
803       unsigned uses_instancing : 1;
804       unsigned multi_instances_smaller_than_primgroup : 1;
805       unsigned primitive_restart : 1;
806       unsigned count_from_stream_output : 1;
807       unsigned line_stipple_enabled : 1;
808       unsigned uses_tess : 1;
809       unsigned tess_uses_prim_id : 1;
810       unsigned uses_gs : 1;
811       unsigned _pad : 32 - SI_NUM_VGT_PARAM_KEY_BITS;
812 #else /* UTIL_ARCH_BIG_ENDIAN */
813       unsigned _pad : 32 - SI_NUM_VGT_PARAM_KEY_BITS;
814       unsigned uses_gs : 1;
815       unsigned tess_uses_prim_id : 1;
816       unsigned uses_tess : 1;
817       unsigned line_stipple_enabled : 1;
818       unsigned count_from_stream_output : 1;
819       unsigned primitive_restart : 1;
820       unsigned multi_instances_smaller_than_primgroup : 1;
821       unsigned uses_instancing : 1;
822       unsigned prim : 4;
823 #endif
824    } u;
825    uint32_t index;
826 };
827 
828 #define SI_NUM_VGT_STAGES_KEY_BITS 6
829 #define SI_NUM_VGT_STAGES_STATES   (1 << SI_NUM_VGT_STAGES_KEY_BITS)
830 
831 /* The VGT_SHADER_STAGES key used to index the table of precomputed values.
832  * Some fields are set by state-change calls, most are set by draw_vbo.
833  */
834 union si_vgt_stages_key {
835    struct {
836 #if UTIL_ARCH_LITTLE_ENDIAN
837       unsigned tess : 1;
838       unsigned gs : 1;
839       unsigned ngg_gs_fast_launch : 1;
840       unsigned ngg_passthrough : 1;
841       unsigned ngg : 1;       /* gfx10+ */
842       unsigned streamout : 1; /* only used with NGG */
843       unsigned _pad : 32 - SI_NUM_VGT_STAGES_KEY_BITS;
844 #else /* UTIL_ARCH_BIG_ENDIAN */
845       unsigned _pad : 32 - SI_NUM_VGT_STAGES_KEY_BITS;
846       unsigned streamout : 1;
847       unsigned ngg : 1;
848       unsigned ngg_passthrough : 1;
849       unsigned ngg_gs_fast_launch : 1;
850       unsigned gs : 1;
851       unsigned tess : 1;
852 #endif
853    } u;
854    uint32_t index;
855 };
856 
857 struct si_texture_handle {
858    unsigned desc_slot;
859    bool desc_dirty;
860    struct pipe_sampler_view *view;
861    struct si_sampler_state sstate;
862 };
863 
864 struct si_image_handle {
865    unsigned desc_slot;
866    bool desc_dirty;
867    struct pipe_image_view view;
868 };
869 
870 struct si_saved_cs {
871    struct pipe_reference reference;
872    struct si_context *ctx;
873    struct radeon_saved_cs gfx;
874    struct radeon_saved_cs compute;
875    struct si_resource *trace_buf;
876    unsigned trace_id;
877 
878    unsigned gfx_last_dw;
879    unsigned compute_last_dw;
880    bool flushed;
881    int64_t time_flush;
882 };
883 
884 struct si_sdma_upload {
885    struct si_resource *dst;
886    struct si_resource *src;
887    unsigned src_offset;
888    unsigned dst_offset;
889    unsigned size;
890 };
891 
892 struct si_small_prim_cull_info {
893    float scale[2], translate[2];
894    float small_prim_precision;
895 };
896 
897 struct si_context {
898    struct pipe_context b; /* base class */
899 
900    enum radeon_family family;
901    enum chip_class chip_class;
902 
903    struct radeon_winsys *ws;
904    struct radeon_winsys_ctx *ctx;
905    struct radeon_cmdbuf *gfx_cs; /* compute IB if graphics is disabled */
906    struct radeon_cmdbuf *sdma_cs;
907    struct pipe_fence_handle *last_gfx_fence;
908    struct pipe_fence_handle *last_sdma_fence;
909    struct si_resource *eop_bug_scratch;
910    struct si_resource *eop_bug_scratch_tmz;
911    struct u_upload_mgr *cached_gtt_allocator;
912    struct threaded_context *tc;
913    struct u_suballocator *allocator_zeroed_memory;
914    struct slab_child_pool pool_transfers;
915    struct slab_child_pool pool_transfers_unsync; /* for threaded_context */
916    struct pipe_device_reset_callback device_reset_callback;
917    struct u_log_context *log;
918    void *query_result_shader;
919    void *sh_query_result_shader;
920    struct si_resource *shadowed_regs;
921 
922    void (*emit_cache_flush)(struct si_context *ctx);
923 
924    struct blitter_context *blitter;
925    void *noop_blend;
926    void *noop_dsa;
927    void *discard_rasterizer_state;
928    void *custom_dsa_flush;
929    void *custom_blend_resolve;
930    void *custom_blend_fmask_decompress;
931    void *custom_blend_eliminate_fastclear;
932    void *custom_blend_dcc_decompress;
933    void *vs_blit_pos;
934    void *vs_blit_pos_layered;
935    void *vs_blit_color;
936    void *vs_blit_color_layered;
937    void *vs_blit_texcoord;
938    void *cs_clear_buffer;
939    void *cs_copy_buffer;
940    void *cs_copy_image;
941    void *cs_copy_image_1d_array;
942    void *cs_clear_render_target;
943    void *cs_clear_render_target_1d_array;
944    void *cs_clear_12bytes_buffer;
945    void *cs_dcc_decompress;
946    void *cs_dcc_retile;
947    void *cs_fmask_expand[3][2]; /* [log2(samples)-1][is_array] */
948    struct si_screen *screen;
949    struct pipe_debug_callback debug;
950    struct ac_llvm_compiler compiler; /* only non-threaded compilation */
951    struct si_shader_ctx_state fixed_func_tcs_shader;
952    /* Offset 0: EOP flush number; Offset 4: GDS prim restart counter */
953    struct si_resource *wait_mem_scratch;
954    struct si_resource *wait_mem_scratch_tmz;
955    unsigned wait_mem_number;
956    uint16_t prefetch_L2_mask;
957 
958    bool is_noop;
959    bool has_graphics;
960    bool gfx_flush_in_progress : 1;
961    bool gfx_last_ib_is_busy : 1;
962    bool compute_is_busy : 1;
963 
964    unsigned num_gfx_cs_flushes;
965    unsigned initial_gfx_cs_size;
966    unsigned last_dirty_tex_counter;
967    unsigned last_dirty_buf_counter;
968    unsigned last_compressed_colortex_counter;
969    unsigned last_num_draw_calls;
970    unsigned flags; /* flush flags */
971    /* Current unaccounted memory usage. */
972    uint64_t vram;
973    uint64_t gtt;
974 
975    /* Compute-based primitive discard. */
976    unsigned prim_discard_vertex_count_threshold;
977    struct pb_buffer *gds;
978    struct pb_buffer *gds_oa;
979    struct radeon_cmdbuf *prim_discard_compute_cs;
980    unsigned compute_gds_offset;
981    struct si_shader *compute_ib_last_shader;
982    uint32_t compute_rewind_va;
983    unsigned compute_num_prims_in_batch;
984    bool preserve_prim_restart_gds_at_flush;
985    /* index_ring is divided into 2 halves for doublebuffering. */
986    struct si_resource *index_ring;
987    unsigned index_ring_base;        /* offset of a per-IB portion */
988    unsigned index_ring_offset;      /* offset within a per-IB portion */
989    unsigned index_ring_size_per_ib; /* max available size per IB */
990    bool prim_discard_compute_ib_initialized;
991    /* For tracking the last execution barrier - it can be either
992     * a WRITE_DATA packet or a fence. */
993    uint32_t *last_pkt3_write_data;
994    struct si_resource *barrier_buf;
995    unsigned barrier_buf_offset;
996    struct pipe_fence_handle *last_ib_barrier_fence;
997    struct si_resource *last_ib_barrier_buf;
998    unsigned last_ib_barrier_buf_offset;
999 
1000    /* Atoms (direct states). */
1001    union si_state_atoms atoms;
1002    unsigned dirty_atoms; /* mask */
1003    /* PM4 states (precomputed immutable states) */
1004    unsigned dirty_states;
1005    union si_state queued;
1006    union si_state emitted;
1007 
1008    /* Atom declarations. */
1009    struct si_framebuffer framebuffer;
1010    unsigned sample_locs_num_samples;
1011    uint16_t sample_mask;
1012    unsigned last_cb_target_mask;
1013    struct si_blend_color blend_color;
1014    struct si_clip_state clip_state;
1015    struct si_shader_data shader_pointers;
1016    struct si_stencil_ref stencil_ref;
1017    struct pipe_scissor_state scissors[SI_MAX_VIEWPORTS];
1018    struct si_streamout streamout;
1019    struct si_viewports viewports;
1020    unsigned num_window_rectangles;
1021    bool window_rectangles_include;
1022    struct pipe_scissor_state window_rectangles[4];
1023 
1024    /* Precomputed states. */
1025    struct si_pm4_state *cs_preamble_state;
1026    struct si_pm4_state *cs_preamble_tess_rings;
1027    struct si_pm4_state *cs_preamble_tess_rings_tmz;
1028    struct si_pm4_state *cs_preamble_gs_rings;
1029    bool cs_preamble_has_vgt_flush;
1030    struct si_pm4_state *vgt_shader_config[SI_NUM_VGT_STAGES_STATES];
1031 
1032    /* shaders */
1033    struct si_shader_ctx_state ps_shader;
1034    struct si_shader_ctx_state gs_shader;
1035    struct si_shader_ctx_state vs_shader;
1036    struct si_shader_ctx_state tcs_shader;
1037    struct si_shader_ctx_state tes_shader;
1038    struct si_shader_ctx_state cs_prim_discard_state;
1039    struct si_cs_shader_state cs_shader_state;
1040 
1041    /* shader information */
1042    struct si_vertex_elements *vertex_elements;
1043    unsigned num_vertex_elements;
1044    unsigned sprite_coord_enable;
1045    unsigned cs_max_waves_per_sh;
1046    bool flatshade;
1047    bool do_update_shaders;
1048    bool compute_shaderbuf_sgprs_dirty;
1049    bool compute_image_sgprs_dirty;
1050 
1051    /* shader descriptors */
1052    struct si_descriptors descriptors[SI_NUM_DESCS];
1053    unsigned descriptors_dirty;
1054    unsigned shader_pointers_dirty;
1055    unsigned shader_needs_decompress_mask;
1056    unsigned shader_has_inlinable_uniforms_mask;
1057    unsigned inlinable_uniforms_dirty_mask;
1058    unsigned inlinable_uniforms_valid_mask;
1059    uint32_t inlinable_uniforms[SI_NUM_SHADERS][MAX_INLINABLE_UNIFORMS];
1060    struct si_buffer_resources rw_buffers;
1061    struct si_buffer_resources const_and_shader_buffers[SI_NUM_SHADERS];
1062    struct si_samplers samplers[SI_NUM_SHADERS];
1063    struct si_images images[SI_NUM_SHADERS];
1064    bool bo_list_add_all_resident_resources;
1065    bool bo_list_add_all_gfx_resources;
1066    bool bo_list_add_all_compute_resources;
1067 
1068    /* other shader resources */
1069    struct pipe_constant_buffer null_const_buf; /* used for set_constant_buffer(NULL) on GFX7 */
1070    struct pipe_resource *esgs_ring;
1071    struct pipe_resource *gsvs_ring;
1072    struct pipe_resource *tess_rings;
1073    struct pipe_resource *tess_rings_tmz;
1074    union pipe_color_union *border_color_table; /* in CPU memory, any endian */
1075    struct si_resource *border_color_buffer;
1076    union pipe_color_union *border_color_map; /* in VRAM (slow access), little endian */
1077    unsigned border_color_count;
1078    unsigned num_vs_blit_sgprs;
1079    uint32_t vs_blit_sh_data[SI_VS_BLIT_SGPRS_POS_TEXCOORD];
1080    uint32_t cs_user_data[4];
1081 
1082    /* Vertex buffers. */
1083    bool vertex_buffers_dirty;
1084    bool vertex_buffer_pointer_dirty;
1085    bool vertex_buffer_user_sgprs_dirty;
1086    struct pipe_vertex_buffer vertex_buffer[SI_NUM_VERTEX_BUFFERS];
1087    uint16_t vertex_buffer_unaligned; /* bitmask of not dword-aligned buffers */
1088    uint32_t *vb_descriptors_gpu_list;
1089    struct si_resource *vb_descriptors_buffer;
1090    unsigned vb_descriptors_offset;
1091    unsigned vb_descriptor_user_sgprs[5 * 4];
1092 
1093    /* MSAA config state. */
1094    int ps_iter_samples;
1095    bool ps_uses_fbfetch;
1096    bool smoothing_enabled;
1097 
1098    /* DB render state. */
1099    unsigned ps_db_shader_control;
1100    unsigned dbcb_copy_sample;
1101    bool dbcb_depth_copy_enabled : 1;
1102    bool dbcb_stencil_copy_enabled : 1;
1103    bool db_flush_depth_inplace : 1;
1104    bool db_flush_stencil_inplace : 1;
1105    bool db_depth_clear : 1;
1106    bool db_depth_disable_expclear : 1;
1107    bool db_stencil_clear : 1;
1108    bool db_stencil_disable_expclear : 1;
1109    bool occlusion_queries_disabled : 1;
1110    bool generate_mipmap_for_depth : 1;
1111 
1112    /* Emitted draw state. */
1113    bool gs_tri_strip_adj_fix : 1;
1114    bool ls_vgpr_fix : 1;
1115    bool prim_discard_cs_instancing : 1;
1116    bool ngg : 1;
1117    uint8_t ngg_culling;
1118    int last_index_size;
1119    int last_base_vertex;
1120    int last_start_instance;
1121    int last_instance_count;
1122    int last_drawid;
1123    int last_sh_base_reg;
1124    int last_primitive_restart_en;
1125    int last_restart_index;
1126    int last_prim;
1127    int last_multi_vgt_param;
1128    int last_gs_out_prim;
1129    int last_binning_enabled;
1130    unsigned current_vs_state;
1131    unsigned last_vs_state;
1132    enum pipe_prim_type current_rast_prim; /* primitive type after TES, GS */
1133 
1134    struct si_small_prim_cull_info last_small_prim_cull_info;
1135    struct si_resource *small_prim_cull_info_buf;
1136    uint64_t small_prim_cull_info_address;
1137 
1138    /* Scratch buffer */
1139    struct si_resource *scratch_buffer;
1140    unsigned scratch_waves;
1141    unsigned spi_tmpring_size;
1142    unsigned max_seen_scratch_bytes_per_wave;
1143    unsigned max_seen_compute_scratch_bytes_per_wave;
1144 
1145    struct si_resource *compute_scratch_buffer;
1146 
1147    /* Emitted derived tessellation state. */
1148    /* Local shader (VS), or HS if LS-HS are merged. */
1149    struct si_shader *last_ls;
1150    struct si_shader_selector *last_tcs;
1151    int last_num_tcs_input_cp;
1152    int last_tes_sh_base;
1153    bool last_tess_uses_primid;
1154    unsigned last_num_patches;
1155    int last_ls_hs_config;
1156 
1157    /* Debug state. */
1158    bool is_debug;
1159    struct si_saved_cs *current_saved_cs;
1160    uint64_t dmesg_timestamp;
1161    unsigned apitrace_call_number;
1162 
1163    /* Other state */
1164    bool need_check_render_feedback;
1165    bool decompression_enabled;
1166    bool dpbb_force_off;
1167    bool vs_writes_viewport_index;
1168    bool vs_disables_clipping_viewport;
1169 
1170    /* Precomputed IA_MULTI_VGT_PARAM */
1171    union si_vgt_param_key ia_multi_vgt_param_key;
1172    unsigned ia_multi_vgt_param[SI_NUM_VGT_PARAM_STATES];
1173 
1174    /* Bindless descriptors. */
1175    struct si_descriptors bindless_descriptors;
1176    struct util_idalloc bindless_used_slots;
1177    unsigned num_bindless_descriptors;
1178    bool bindless_descriptors_dirty;
1179    bool graphics_bindless_pointer_dirty;
1180    bool compute_bindless_pointer_dirty;
1181 
1182    /* Allocated bindless handles */
1183    struct hash_table *tex_handles;
1184    struct hash_table *img_handles;
1185 
1186    /* Resident bindless handles */
1187    struct util_dynarray resident_tex_handles;
1188    struct util_dynarray resident_img_handles;
1189 
1190    /* Resident bindless handles which need decompression */
1191    struct util_dynarray resident_tex_needs_color_decompress;
1192    struct util_dynarray resident_img_needs_color_decompress;
1193    struct util_dynarray resident_tex_needs_depth_decompress;
1194 
1195    /* Bindless state */
1196    bool uses_bindless_samplers;
1197    bool uses_bindless_images;
1198 
1199    /* MSAA sample locations.
1200     * The first index is the sample index.
1201     * The second index is the coordinate: X, Y. */
1202    struct {
1203       float x1[1][2];
1204       float x2[2][2];
1205       float x4[4][2];
1206       float x8[8][2];
1207       float x16[16][2];
1208    } sample_positions;
1209    struct pipe_resource *sample_pos_buffer;
1210 
1211    /* Misc stats. */
1212    unsigned num_draw_calls;
1213    unsigned num_decompress_calls;
1214    unsigned num_mrt_draw_calls;
1215    unsigned num_prim_restart_calls;
1216    unsigned num_spill_draw_calls;
1217    unsigned num_compute_calls;
1218    unsigned num_spill_compute_calls;
1219    unsigned num_dma_calls;
1220    unsigned num_cp_dma_calls;
1221    unsigned num_vs_flushes;
1222    unsigned num_ps_flushes;
1223    unsigned num_cs_flushes;
1224    unsigned num_cb_cache_flushes;
1225    unsigned num_db_cache_flushes;
1226    unsigned num_L2_invalidates;
1227    unsigned num_L2_writebacks;
1228    unsigned num_resident_handles;
1229    uint64_t num_alloc_tex_transfer_bytes;
1230    unsigned last_tex_ps_draw_ratio; /* for query */
1231    unsigned compute_num_verts_accepted;
1232    unsigned compute_num_verts_rejected;
1233    unsigned compute_num_verts_ineligible; /* due to low vertex count */
1234    unsigned context_roll;
1235 
1236    /* Queries. */
1237    /* Maintain the list of active queries for pausing between IBs. */
1238    int num_occlusion_queries;
1239    int num_perfect_occlusion_queries;
1240    int num_pipeline_stat_queries;
1241    struct list_head active_queries;
1242    unsigned num_cs_dw_queries_suspend;
1243 
1244    /* Render condition. */
1245    struct pipe_query *render_cond;
1246    unsigned render_cond_mode;
1247    bool render_cond_invert;
1248    bool render_cond_force_off; /* for u_blitter */
1249 
1250    /* For uploading data via GTT and copy to VRAM on context flush via SDMA. */
1251    bool sdma_uploads_in_progress;
1252    struct si_sdma_upload *sdma_uploads;
1253    unsigned num_sdma_uploads;
1254    unsigned max_sdma_uploads;
1255 
1256    /* Shader-based queries. */
1257    struct list_head shader_query_buffers;
1258    unsigned num_active_shader_queries;
1259 
1260    /* Statistics gathering for the DCC enablement heuristic. It can't be
1261     * in si_texture because si_texture can be shared by multiple
1262     * contexts. This is for back buffers only. We shouldn't get too many
1263     * of those.
1264     *
1265     * X11 DRI3 rotates among a finite set of back buffers. They should
1266     * all fit in this array. If they don't, separate DCC might never be
1267     * enabled by DCC stat gathering.
1268     */
1269    struct {
1270       struct si_texture *tex;
1271       /* Query queue: 0 = usually active, 1 = waiting, 2 = readback. */
1272       struct pipe_query *ps_stats[3];
1273       /* If all slots are used and another slot is needed,
1274        * the least recently used slot is evicted based on this. */
1275       int64_t last_use_timestamp;
1276       bool query_active;
1277    } dcc_stats[5];
1278 
1279    /* Copy one resource to another using async DMA. */
1280    void (*dma_copy)(struct pipe_context *ctx, struct pipe_resource *dst, unsigned dst_level,
1281                     unsigned dst_x, unsigned dst_y, unsigned dst_z, struct pipe_resource *src,
1282                     unsigned src_level, const struct pipe_box *src_box);
1283 
1284    struct si_tracked_regs tracked_regs;
1285 };
1286 
1287 /* cik_sdma.c */
1288 void cik_init_sdma_functions(struct si_context *sctx);
1289 
1290 /* si_blit.c */
1291 enum si_blitter_op /* bitmask */
1292 {
1293    SI_SAVE_TEXTURES = 1,
1294    SI_SAVE_FRAMEBUFFER = 2,
1295    SI_SAVE_FRAGMENT_STATE = 4,
1296    SI_DISABLE_RENDER_COND = 8,
1297 };
1298 
1299 void si_blitter_begin(struct si_context *sctx, enum si_blitter_op op);
1300 void si_blitter_end(struct si_context *sctx);
1301 void si_init_blit_functions(struct si_context *sctx);
1302 void si_decompress_textures(struct si_context *sctx, unsigned shader_mask);
1303 void si_decompress_subresource(struct pipe_context *ctx, struct pipe_resource *tex, unsigned planes,
1304                                unsigned level, unsigned first_layer, unsigned last_layer);
1305 void si_resource_copy_region(struct pipe_context *ctx, struct pipe_resource *dst,
1306                              unsigned dst_level, unsigned dstx, unsigned dsty, unsigned dstz,
1307                              struct pipe_resource *src, unsigned src_level,
1308                              const struct pipe_box *src_box);
1309 void si_decompress_dcc(struct si_context *sctx, struct si_texture *tex);
1310 
1311 /* si_buffer.c */
1312 bool si_rings_is_buffer_referenced(struct si_context *sctx, struct pb_buffer *buf,
1313                                    enum radeon_bo_usage usage);
1314 void *si_buffer_map_sync_with_rings(struct si_context *sctx, struct si_resource *resource,
1315                                     unsigned usage);
1316 void si_init_resource_fields(struct si_screen *sscreen, struct si_resource *res, uint64_t size,
1317                              unsigned alignment);
1318 bool si_alloc_resource(struct si_screen *sscreen, struct si_resource *res);
1319 struct pipe_resource *pipe_aligned_buffer_create(struct pipe_screen *screen, unsigned flags,
1320                                                  unsigned usage, unsigned size, unsigned alignment);
1321 struct si_resource *si_aligned_buffer_create(struct pipe_screen *screen, unsigned flags,
1322                                              unsigned usage, unsigned size, unsigned alignment);
1323 void si_replace_buffer_storage(struct pipe_context *ctx, struct pipe_resource *dst,
1324                                struct pipe_resource *src);
1325 void si_init_screen_buffer_functions(struct si_screen *sscreen);
1326 void si_init_buffer_functions(struct si_context *sctx);
1327 
1328 /* si_clear.c */
1329 enum pipe_format si_simplify_cb_format(enum pipe_format format);
1330 bool vi_alpha_is_on_msb(struct si_screen *sscreen, enum pipe_format format);
1331 bool vi_dcc_clear_level(struct si_context *sctx, struct si_texture *tex, unsigned level,
1332                         unsigned clear_value);
1333 void si_init_clear_functions(struct si_context *sctx);
1334 
1335 /* si_compute_blit.c */
1336 unsigned si_get_flush_flags(struct si_context *sctx, enum si_coherency coher,
1337                             enum si_cache_policy cache_policy);
1338 void si_clear_buffer(struct si_context *sctx, struct pipe_resource *dst, uint64_t offset,
1339                      uint64_t size, uint32_t *clear_value, uint32_t clear_value_size,
1340                      enum si_coherency coher, bool force_cpdma);
1341 void si_copy_buffer(struct si_context *sctx, struct pipe_resource *dst, struct pipe_resource *src,
1342                     uint64_t dst_offset, uint64_t src_offset, unsigned size);
1343 void si_compute_copy_image(struct si_context *sctx, struct pipe_resource *dst, unsigned dst_level,
1344                            struct pipe_resource *src, unsigned src_level, unsigned dstx,
1345                            unsigned dsty, unsigned dstz, const struct pipe_box *src_box,
1346                            bool is_dcc_decompress);
1347 void si_compute_clear_render_target(struct pipe_context *ctx, struct pipe_surface *dstsurf,
1348                                     const union pipe_color_union *color, unsigned dstx,
1349                                     unsigned dsty, unsigned width, unsigned height,
1350                                     bool render_condition_enabled);
1351 void si_retile_dcc(struct si_context *sctx, struct si_texture *tex);
1352 void si_compute_expand_fmask(struct pipe_context *ctx, struct pipe_resource *tex);
1353 void si_init_compute_blit_functions(struct si_context *sctx);
1354 
1355 /* si_cp_dma.c */
1356 #define SI_CPDMA_SKIP_CHECK_CS_SPACE (1 << 0) /* don't call need_cs_space */
1357 #define SI_CPDMA_SKIP_SYNC_AFTER     (1 << 1) /* don't wait for DMA after the copy */
1358 #define SI_CPDMA_SKIP_SYNC_BEFORE    (1 << 2) /* don't wait for DMA before the copy (RAW hazards) */
1359 #define SI_CPDMA_SKIP_GFX_SYNC       (1 << 3) /* don't flush caches and don't wait for PS/CS */
1360 #define SI_CPDMA_SKIP_BO_LIST_UPDATE (1 << 4) /* don't update the BO list */
1361 #define SI_CPDMA_SKIP_TMZ            (1 << 5) /* don't update tmz state */
1362 #define SI_CPDMA_SKIP_ALL                                                                          \
1363    (SI_CPDMA_SKIP_CHECK_CS_SPACE | SI_CPDMA_SKIP_SYNC_AFTER | SI_CPDMA_SKIP_SYNC_BEFORE |          \
1364     SI_CPDMA_SKIP_GFX_SYNC | SI_CPDMA_SKIP_BO_LIST_UPDATE | SI_CPDMA_SKIP_TMZ)
1365 
1366 void si_cp_dma_wait_for_idle(struct si_context *sctx);
1367 void si_cp_dma_clear_buffer(struct si_context *sctx, struct radeon_cmdbuf *cs,
1368                             struct pipe_resource *dst, uint64_t offset, uint64_t size,
1369                             unsigned value, unsigned user_flags, enum si_coherency coher,
1370                             enum si_cache_policy cache_policy);
1371 void si_cp_dma_copy_buffer(struct si_context *sctx, struct pipe_resource *dst,
1372                            struct pipe_resource *src, uint64_t dst_offset, uint64_t src_offset,
1373                            unsigned size, unsigned user_flags, enum si_coherency coher,
1374                            enum si_cache_policy cache_policy);
1375 void cik_prefetch_TC_L2_async(struct si_context *sctx, struct pipe_resource *buf, uint64_t offset,
1376                               unsigned size);
1377 void cik_emit_prefetch_L2(struct si_context *sctx, bool vertex_stage_only);
1378 void si_test_gds(struct si_context *sctx);
1379 void si_cp_write_data(struct si_context *sctx, struct si_resource *buf, unsigned offset,
1380                       unsigned size, unsigned dst_sel, unsigned engine, const void *data);
1381 void si_cp_copy_data(struct si_context *sctx, struct radeon_cmdbuf *cs, unsigned dst_sel,
1382                      struct si_resource *dst, unsigned dst_offset, unsigned src_sel,
1383                      struct si_resource *src, unsigned src_offset);
1384 
1385 /* si_cp_reg_shadowing.c */
1386 void si_init_cp_reg_shadowing(struct si_context *sctx);
1387 
1388 /* si_debug.c */
1389 void si_save_cs(struct radeon_winsys *ws, struct radeon_cmdbuf *cs, struct radeon_saved_cs *saved,
1390                 bool get_buffer_list);
1391 void si_clear_saved_cs(struct radeon_saved_cs *saved);
1392 void si_destroy_saved_cs(struct si_saved_cs *scs);
1393 void si_auto_log_cs(void *data, struct u_log_context *log);
1394 void si_log_hw_flush(struct si_context *sctx);
1395 void si_log_draw_state(struct si_context *sctx, struct u_log_context *log);
1396 void si_log_compute_state(struct si_context *sctx, struct u_log_context *log);
1397 void si_init_debug_functions(struct si_context *sctx);
1398 void si_check_vm_faults(struct si_context *sctx, struct radeon_saved_cs *saved,
1399                         enum ring_type ring);
1400 bool si_replace_shader(unsigned num, struct si_shader_binary *binary);
1401 
1402 /* si_dma_cs.c */
1403 void si_dma_emit_timestamp(struct si_context *sctx, struct si_resource *dst, uint64_t offset);
1404 void si_sdma_clear_buffer(struct si_context *sctx, struct pipe_resource *dst, uint64_t offset,
1405                           uint64_t size, unsigned clear_value);
1406 void si_sdma_copy_buffer(struct si_context *sctx, struct pipe_resource *dst,
1407                          struct pipe_resource *src, uint64_t dst_offset, uint64_t src_offset,
1408                          uint64_t size);
1409 void si_need_dma_space(struct si_context *ctx, unsigned num_dw, struct si_resource *dst,
1410                        struct si_resource *src);
1411 void si_flush_dma_cs(struct si_context *ctx, unsigned flags, struct pipe_fence_handle **fence);
1412 void si_screen_clear_buffer(struct si_screen *sscreen, struct pipe_resource *dst, uint64_t offset,
1413                             uint64_t size, unsigned value);
1414 
1415 /* si_fence.c */
1416 void si_cp_release_mem(struct si_context *ctx, struct radeon_cmdbuf *cs, unsigned event,
1417                        unsigned event_flags, unsigned dst_sel, unsigned int_sel, unsigned data_sel,
1418                        struct si_resource *buf, uint64_t va, uint32_t new_fence,
1419                        unsigned query_type);
1420 unsigned si_cp_write_fence_dwords(struct si_screen *screen);
1421 void si_cp_wait_mem(struct si_context *ctx, struct radeon_cmdbuf *cs, uint64_t va, uint32_t ref,
1422                     uint32_t mask, unsigned flags);
1423 void si_init_fence_functions(struct si_context *ctx);
1424 void si_init_screen_fence_functions(struct si_screen *screen);
1425 struct pipe_fence_handle *si_create_fence(struct pipe_context *ctx,
1426                                           struct tc_unflushed_batch_token *tc_token);
1427 
1428 /* si_get.c */
1429 void si_init_screen_get_functions(struct si_screen *sscreen);
1430 
1431 /* si_gfx_cs.c */
1432 void si_flush_gfx_cs(struct si_context *ctx, unsigned flags, struct pipe_fence_handle **fence);
1433 void si_allocate_gds(struct si_context *ctx);
1434 void si_set_tracked_regs_to_clear_state(struct si_context *ctx);
1435 void si_begin_new_gfx_cs(struct si_context *ctx, bool first_cs);
1436 void si_need_gfx_cs_space(struct si_context *ctx, unsigned num_draws);
1437 void si_unref_sdma_uploads(struct si_context *sctx);
1438 
1439 /* si_gpu_load.c */
1440 void si_gpu_load_kill_thread(struct si_screen *sscreen);
1441 uint64_t si_begin_counter(struct si_screen *sscreen, unsigned type);
1442 unsigned si_end_counter(struct si_screen *sscreen, unsigned type, uint64_t begin);
1443 
1444 /* si_compute.c */
1445 void si_emit_initial_compute_regs(struct si_context *sctx, struct radeon_cmdbuf *cs);
1446 void si_init_compute_functions(struct si_context *sctx);
1447 
1448 /* si_compute_prim_discard.c */
1449 enum si_prim_discard_outcome
1450 {
1451    SI_PRIM_DISCARD_ENABLED,
1452    SI_PRIM_DISCARD_DISABLED,
1453    SI_PRIM_DISCARD_DRAW_SPLIT,
1454    SI_PRIM_DISCARD_MULTI_DRAW_SPLIT,
1455 };
1456 
1457 void si_build_prim_discard_compute_shader(struct si_shader_context *ctx);
1458 enum si_prim_discard_outcome
1459 si_prepare_prim_discard_or_split_draw(struct si_context *sctx, const struct pipe_draw_info *info,
1460                                       const struct pipe_draw_start_count *draws,
1461                                       unsigned num_draws, bool primitive_restart,
1462                                       unsigned total_count);
1463 void si_compute_signal_gfx(struct si_context *sctx);
1464 void si_dispatch_prim_discard_cs_and_draw(struct si_context *sctx,
1465                                           const struct pipe_draw_info *info,
1466                                           unsigned count, unsigned index_size,
1467                                           unsigned base_vertex, uint64_t input_indexbuf_va,
1468                                           unsigned input_indexbuf_max_elements);
1469 void si_initialize_prim_discard_tunables(struct si_screen *sscreen, bool is_aux_context,
1470                                          unsigned *prim_discard_vertex_count_threshold,
1471                                          unsigned *index_ring_size_per_ib);
1472 
1473 /* si_pipe.c */
1474 void si_init_compiler(struct si_screen *sscreen, struct ac_llvm_compiler *compiler);
1475 
1476 /* si_perfcounters.c */
1477 void si_init_perfcounters(struct si_screen *screen);
1478 void si_destroy_perfcounters(struct si_screen *screen);
1479 
1480 /* si_query.c */
1481 void si_init_screen_query_functions(struct si_screen *sscreen);
1482 void si_init_query_functions(struct si_context *sctx);
1483 void si_suspend_queries(struct si_context *sctx);
1484 void si_resume_queries(struct si_context *sctx);
1485 
1486 /* si_shaderlib_tgsi.c */
1487 void *si_get_blitter_vs(struct si_context *sctx, enum blitter_attrib_type type,
1488                         unsigned num_layers);
1489 void *si_create_fixed_func_tcs(struct si_context *sctx);
1490 void *si_create_dma_compute_shader(struct pipe_context *ctx, unsigned num_dwords_per_thread,
1491                                    bool dst_stream_cache_policy, bool is_copy);
1492 void *si_create_copy_image_compute_shader(struct pipe_context *ctx);
1493 void *si_create_copy_image_compute_shader_1d_array(struct pipe_context *ctx);
1494 void *si_create_dcc_decompress_cs(struct pipe_context *ctx);
1495 void *si_clear_render_target_shader(struct pipe_context *ctx);
1496 void *si_clear_render_target_shader_1d_array(struct pipe_context *ctx);
1497 void *si_clear_12bytes_buffer_shader(struct pipe_context *ctx);
1498 void *si_create_dcc_retile_cs(struct pipe_context *ctx);
1499 void *si_create_fmask_expand_cs(struct pipe_context *ctx, unsigned num_samples, bool is_array);
1500 void *si_create_query_result_cs(struct si_context *sctx);
1501 void *gfx10_create_sh_query_result_cs(struct si_context *sctx);
1502 
1503 /* gfx10_query.c */
1504 void gfx10_init_query(struct si_context *sctx);
1505 void gfx10_destroy_query(struct si_context *sctx);
1506 
1507 /* si_test_dma.c */
1508 void si_test_dma(struct si_screen *sscreen);
1509 
1510 /* si_test_clearbuffer.c */
1511 void si_test_dma_perf(struct si_screen *sscreen);
1512 
1513 /* si_uvd.c */
1514 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
1515                                                const struct pipe_video_codec *templ);
1516 
1517 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
1518                                                  const struct pipe_video_buffer *tmpl);
1519 
1520 /* si_viewport.c */
1521 void si_get_small_prim_cull_info(struct si_context *sctx, struct si_small_prim_cull_info *out);
1522 void si_update_vs_viewport_state(struct si_context *ctx);
1523 void si_init_viewport_functions(struct si_context *ctx);
1524 
1525 /* si_texture.c */
1526 bool si_prepare_for_dma_blit(struct si_context *sctx, struct si_texture *dst, unsigned dst_level,
1527                              unsigned dstx, unsigned dsty, unsigned dstz, struct si_texture *src,
1528                              unsigned src_level, const struct pipe_box *src_box);
1529 void si_eliminate_fast_color_clear(struct si_context *sctx, struct si_texture *tex,
1530                                    bool *ctx_flushed);
1531 void si_texture_discard_cmask(struct si_screen *sscreen, struct si_texture *tex);
1532 bool si_init_flushed_depth_texture(struct pipe_context *ctx, struct pipe_resource *texture);
1533 void si_print_texture_info(struct si_screen *sscreen, struct si_texture *tex,
1534                            struct u_log_context *log);
1535 struct pipe_resource *si_texture_create(struct pipe_screen *screen,
1536                                         const struct pipe_resource *templ);
1537 bool vi_dcc_formats_compatible(struct si_screen *sscreen, enum pipe_format format1,
1538                                enum pipe_format format2);
1539 bool vi_dcc_formats_are_incompatible(struct pipe_resource *tex, unsigned level,
1540                                      enum pipe_format view_format);
1541 void vi_disable_dcc_if_incompatible_format(struct si_context *sctx, struct pipe_resource *tex,
1542                                            unsigned level, enum pipe_format view_format);
1543 struct pipe_surface *si_create_surface_custom(struct pipe_context *pipe,
1544                                               struct pipe_resource *texture,
1545                                               const struct pipe_surface *templ, unsigned width0,
1546                                               unsigned height0, unsigned width, unsigned height);
1547 unsigned si_translate_colorswap(enum pipe_format format, bool do_endian_swap);
1548 void vi_separate_dcc_try_enable(struct si_context *sctx, struct si_texture *tex);
1549 void vi_separate_dcc_start_query(struct si_context *sctx, struct si_texture *tex);
1550 void vi_separate_dcc_stop_query(struct si_context *sctx, struct si_texture *tex);
1551 void vi_separate_dcc_process_and_reset_stats(struct pipe_context *ctx, struct si_texture *tex);
1552 bool si_texture_disable_dcc(struct si_context *sctx, struct si_texture *tex);
1553 void si_init_screen_texture_functions(struct si_screen *sscreen);
1554 void si_init_context_texture_functions(struct si_context *sctx);
1555 
1556 /*
1557  * common helpers
1558  */
1559 
si_resource(struct pipe_resource * r)1560 static inline struct si_resource *si_resource(struct pipe_resource *r)
1561 {
1562    return (struct si_resource *)r;
1563 }
1564 
si_resource_reference(struct si_resource ** ptr,struct si_resource * res)1565 static inline void si_resource_reference(struct si_resource **ptr, struct si_resource *res)
1566 {
1567    pipe_resource_reference((struct pipe_resource **)ptr, (struct pipe_resource *)res);
1568 }
1569 
si_texture_reference(struct si_texture ** ptr,struct si_texture * res)1570 static inline void si_texture_reference(struct si_texture **ptr, struct si_texture *res)
1571 {
1572    pipe_resource_reference((struct pipe_resource **)ptr, &res->buffer.b.b);
1573 }
1574 
1575 static inline void
si_shader_selector_reference(struct si_context * sctx,struct si_shader_selector ** dst,struct si_shader_selector * src)1576 si_shader_selector_reference(struct si_context *sctx, /* sctx can optionally be NULL */
1577                              struct si_shader_selector **dst, struct si_shader_selector *src)
1578 {
1579    if (*dst == src)
1580       return;
1581 
1582    struct si_screen *sscreen = src ? src->screen : (*dst)->screen;
1583    util_shader_reference(&sctx->b, &sscreen->live_shader_cache, (void **)dst, src);
1584 }
1585 
vi_dcc_enabled(struct si_texture * tex,unsigned level)1586 static inline bool vi_dcc_enabled(struct si_texture *tex, unsigned level)
1587 {
1588    return tex->surface.dcc_offset && level < tex->surface.num_dcc_levels;
1589 }
1590 
si_tile_mode_index(struct si_texture * tex,unsigned level,bool stencil)1591 static inline unsigned si_tile_mode_index(struct si_texture *tex, unsigned level, bool stencil)
1592 {
1593    if (stencil)
1594       return tex->surface.u.legacy.stencil_tiling_index[level];
1595    else
1596       return tex->surface.u.legacy.tiling_index[level];
1597 }
1598 
si_get_minimum_num_gfx_cs_dwords(struct si_context * sctx,unsigned num_draws)1599 static inline unsigned si_get_minimum_num_gfx_cs_dwords(struct si_context *sctx,
1600                                                         unsigned num_draws)
1601 {
1602    /* Don't count the needed CS space exactly and just use an upper bound.
1603     *
1604     * Also reserve space for stopping queries at the end of IB, because
1605     * the number of active queries is unlimited in theory.
1606     *
1607     * Both indexed and non-indexed draws use 6 dwords per draw.
1608     */
1609    return 2048 + sctx->num_cs_dw_queries_suspend + num_draws * 6;
1610 }
1611 
si_context_add_resource_size(struct si_context * sctx,struct pipe_resource * r)1612 static inline void si_context_add_resource_size(struct si_context *sctx, struct pipe_resource *r)
1613 {
1614    if (r) {
1615       /* Add memory usage for need_gfx_cs_space */
1616       sctx->vram += si_resource(r)->vram_usage;
1617       sctx->gtt += si_resource(r)->gart_usage;
1618    }
1619 }
1620 
si_invalidate_draw_sh_constants(struct si_context * sctx)1621 static inline void si_invalidate_draw_sh_constants(struct si_context *sctx)
1622 {
1623    sctx->last_base_vertex = SI_BASE_VERTEX_UNKNOWN;
1624    sctx->last_instance_count = SI_INSTANCE_COUNT_UNKNOWN;
1625 }
1626 
si_get_atom_bit(struct si_context * sctx,struct si_atom * atom)1627 static inline unsigned si_get_atom_bit(struct si_context *sctx, struct si_atom *atom)
1628 {
1629    return 1 << (atom - sctx->atoms.array);
1630 }
1631 
si_set_atom_dirty(struct si_context * sctx,struct si_atom * atom,bool dirty)1632 static inline void si_set_atom_dirty(struct si_context *sctx, struct si_atom *atom, bool dirty)
1633 {
1634    unsigned bit = si_get_atom_bit(sctx, atom);
1635 
1636    if (dirty)
1637       sctx->dirty_atoms |= bit;
1638    else
1639       sctx->dirty_atoms &= ~bit;
1640 }
1641 
si_is_atom_dirty(struct si_context * sctx,struct si_atom * atom)1642 static inline bool si_is_atom_dirty(struct si_context *sctx, struct si_atom *atom)
1643 {
1644    return (sctx->dirty_atoms & si_get_atom_bit(sctx, atom)) != 0;
1645 }
1646 
si_mark_atom_dirty(struct si_context * sctx,struct si_atom * atom)1647 static inline void si_mark_atom_dirty(struct si_context *sctx, struct si_atom *atom)
1648 {
1649    si_set_atom_dirty(sctx, atom, true);
1650 }
1651 
si_get_vs(struct si_context * sctx)1652 static inline struct si_shader_ctx_state *si_get_vs(struct si_context *sctx)
1653 {
1654    if (sctx->gs_shader.cso)
1655       return &sctx->gs_shader;
1656    if (sctx->tes_shader.cso)
1657       return &sctx->tes_shader;
1658 
1659    return &sctx->vs_shader;
1660 }
1661 
si_get_vs_info(struct si_context * sctx)1662 static inline struct si_shader_info *si_get_vs_info(struct si_context *sctx)
1663 {
1664    struct si_shader_ctx_state *vs = si_get_vs(sctx);
1665 
1666    return vs->cso ? &vs->cso->info : NULL;
1667 }
1668 
si_get_vs_state(struct si_context * sctx)1669 static inline struct si_shader *si_get_vs_state(struct si_context *sctx)
1670 {
1671    if (sctx->gs_shader.cso && sctx->gs_shader.current && !sctx->gs_shader.current->key.as_ngg)
1672       return sctx->gs_shader.cso->gs_copy_shader;
1673 
1674    struct si_shader_ctx_state *vs = si_get_vs(sctx);
1675    return vs->current ? vs->current : NULL;
1676 }
1677 
si_can_dump_shader(struct si_screen * sscreen,gl_shader_stage stage)1678 static inline bool si_can_dump_shader(struct si_screen *sscreen, gl_shader_stage stage)
1679 {
1680    return sscreen->debug_flags & (1 << stage);
1681 }
1682 
si_get_strmout_en(struct si_context * sctx)1683 static inline bool si_get_strmout_en(struct si_context *sctx)
1684 {
1685    return sctx->streamout.streamout_enabled || sctx->streamout.prims_gen_query_enabled;
1686 }
1687 
si_optimal_tcc_alignment(struct si_context * sctx,unsigned upload_size)1688 static inline unsigned si_optimal_tcc_alignment(struct si_context *sctx, unsigned upload_size)
1689 {
1690    unsigned alignment, tcc_cache_line_size;
1691 
1692    /* If the upload size is less than the cache line size (e.g. 16, 32),
1693     * the whole thing will fit into a cache line if we align it to its size.
1694     * The idea is that multiple small uploads can share a cache line.
1695     * If the upload size is greater, align it to the cache line size.
1696     */
1697    alignment = util_next_power_of_two(upload_size);
1698    tcc_cache_line_size = sctx->screen->info.tcc_cache_line_size;
1699    return MIN2(alignment, tcc_cache_line_size);
1700 }
1701 
si_saved_cs_reference(struct si_saved_cs ** dst,struct si_saved_cs * src)1702 static inline void si_saved_cs_reference(struct si_saved_cs **dst, struct si_saved_cs *src)
1703 {
1704    if (pipe_reference(&(*dst)->reference, &src->reference))
1705       si_destroy_saved_cs(*dst);
1706 
1707    *dst = src;
1708 }
1709 
si_make_CB_shader_coherent(struct si_context * sctx,unsigned num_samples,bool shaders_read_metadata,bool dcc_pipe_aligned)1710 static inline void si_make_CB_shader_coherent(struct si_context *sctx, unsigned num_samples,
1711                                               bool shaders_read_metadata, bool dcc_pipe_aligned)
1712 {
1713    sctx->flags |= SI_CONTEXT_FLUSH_AND_INV_CB | SI_CONTEXT_INV_VCACHE;
1714 
1715    if (sctx->chip_class >= GFX10) {
1716       if (sctx->screen->info.tcc_harvested)
1717          sctx->flags |= SI_CONTEXT_INV_L2;
1718       else if (shaders_read_metadata)
1719          sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
1720    } else if (sctx->chip_class == GFX9) {
1721       /* Single-sample color is coherent with shaders on GFX9, but
1722        * L2 metadata must be flushed if shaders read metadata.
1723        * (DCC, CMASK).
1724        */
1725       if (num_samples >= 2 || (shaders_read_metadata && !dcc_pipe_aligned))
1726          sctx->flags |= SI_CONTEXT_INV_L2;
1727       else if (shaders_read_metadata)
1728          sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
1729    } else {
1730       /* GFX6-GFX8 */
1731       sctx->flags |= SI_CONTEXT_INV_L2;
1732    }
1733 }
1734 
si_make_DB_shader_coherent(struct si_context * sctx,unsigned num_samples,bool include_stencil,bool shaders_read_metadata)1735 static inline void si_make_DB_shader_coherent(struct si_context *sctx, unsigned num_samples,
1736                                               bool include_stencil, bool shaders_read_metadata)
1737 {
1738    sctx->flags |= SI_CONTEXT_FLUSH_AND_INV_DB | SI_CONTEXT_INV_VCACHE;
1739 
1740    if (sctx->chip_class >= GFX10) {
1741       if (sctx->screen->info.tcc_harvested)
1742          sctx->flags |= SI_CONTEXT_INV_L2;
1743       else if (shaders_read_metadata)
1744          sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
1745    } else if (sctx->chip_class == GFX9) {
1746       /* Single-sample depth (not stencil) is coherent with shaders
1747        * on GFX9, but L2 metadata must be flushed if shaders read
1748        * metadata.
1749        */
1750       if (num_samples >= 2 || include_stencil)
1751          sctx->flags |= SI_CONTEXT_INV_L2;
1752       else if (shaders_read_metadata)
1753          sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
1754    } else {
1755       /* GFX6-GFX8 */
1756       sctx->flags |= SI_CONTEXT_INV_L2;
1757    }
1758 }
1759 
si_can_sample_zs(struct si_texture * tex,bool stencil_sampler)1760 static inline bool si_can_sample_zs(struct si_texture *tex, bool stencil_sampler)
1761 {
1762    return (stencil_sampler && tex->can_sample_s) || (!stencil_sampler && tex->can_sample_z);
1763 }
1764 
si_htile_enabled(struct si_texture * tex,unsigned level,unsigned zs_mask)1765 static inline bool si_htile_enabled(struct si_texture *tex, unsigned level, unsigned zs_mask)
1766 {
1767    if (zs_mask == PIPE_MASK_S && tex->htile_stencil_disabled)
1768       return false;
1769 
1770    return tex->surface.htile_offset && level == 0;
1771 }
1772 
vi_tc_compat_htile_enabled(struct si_texture * tex,unsigned level,unsigned zs_mask)1773 static inline bool vi_tc_compat_htile_enabled(struct si_texture *tex, unsigned level,
1774                                               unsigned zs_mask)
1775 {
1776    assert(!tex->tc_compatible_htile || tex->surface.htile_offset);
1777    return tex->tc_compatible_htile && si_htile_enabled(tex, level, zs_mask);
1778 }
1779 
si_get_ps_iter_samples(struct si_context * sctx)1780 static inline unsigned si_get_ps_iter_samples(struct si_context *sctx)
1781 {
1782    if (sctx->ps_uses_fbfetch)
1783       return sctx->framebuffer.nr_color_samples;
1784 
1785    return MIN2(sctx->ps_iter_samples, sctx->framebuffer.nr_color_samples);
1786 }
1787 
si_get_total_colormask(struct si_context * sctx)1788 static inline unsigned si_get_total_colormask(struct si_context *sctx)
1789 {
1790    if (sctx->queued.named.rasterizer->rasterizer_discard)
1791       return 0;
1792 
1793    struct si_shader_selector *ps = sctx->ps_shader.cso;
1794    if (!ps)
1795       return 0;
1796 
1797    unsigned colormask =
1798       sctx->framebuffer.colorbuf_enabled_4bit & sctx->queued.named.blend->cb_target_mask;
1799 
1800    if (!ps->info.color0_writes_all_cbufs)
1801       colormask &= ps->colors_written_4bit;
1802    else if (!ps->colors_written_4bit)
1803       colormask = 0; /* color0 writes all cbufs, but it's not written */
1804 
1805    return colormask;
1806 }
1807 
1808 #define UTIL_ALL_PRIM_LINE_MODES                                                                   \
1809    ((1 << PIPE_PRIM_LINES) | (1 << PIPE_PRIM_LINE_LOOP) | (1 << PIPE_PRIM_LINE_STRIP) |            \
1810     (1 << PIPE_PRIM_LINES_ADJACENCY) | (1 << PIPE_PRIM_LINE_STRIP_ADJACENCY))
1811 
util_prim_is_lines(unsigned prim)1812 static inline bool util_prim_is_lines(unsigned prim)
1813 {
1814    return ((1 << prim) & UTIL_ALL_PRIM_LINE_MODES) != 0;
1815 }
1816 
util_prim_is_points_or_lines(unsigned prim)1817 static inline bool util_prim_is_points_or_lines(unsigned prim)
1818 {
1819    return ((1 << prim) & (UTIL_ALL_PRIM_LINE_MODES | (1 << PIPE_PRIM_POINTS))) != 0;
1820 }
1821 
util_rast_prim_is_triangles(unsigned prim)1822 static inline bool util_rast_prim_is_triangles(unsigned prim)
1823 {
1824    return ((1 << prim) &
1825            ((1 << PIPE_PRIM_TRIANGLES) | (1 << PIPE_PRIM_TRIANGLE_STRIP) |
1826             (1 << PIPE_PRIM_TRIANGLE_FAN) | (1 << PIPE_PRIM_QUADS) | (1 << PIPE_PRIM_QUAD_STRIP) |
1827             (1 << PIPE_PRIM_POLYGON) | (1 << PIPE_PRIM_TRIANGLES_ADJACENCY) |
1828             (1 << PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY)));
1829 }
1830 
1831 /**
1832  * Return true if there is enough memory in VRAM and GTT for the buffers
1833  * added so far.
1834  *
1835  * \param vram      VRAM memory size not added to the buffer list yet
1836  * \param gtt       GTT memory size not added to the buffer list yet
1837  */
radeon_cs_memory_below_limit(struct si_screen * screen,struct radeon_cmdbuf * cs,uint64_t vram,uint64_t gtt)1838 static inline bool radeon_cs_memory_below_limit(struct si_screen *screen, struct radeon_cmdbuf *cs,
1839                                                 uint64_t vram, uint64_t gtt)
1840 {
1841    vram += cs->used_vram;
1842    gtt += cs->used_gart;
1843 
1844    /* Anything that goes above the VRAM size should go to GTT. */
1845    if (vram > screen->info.vram_size)
1846       gtt += vram - screen->info.vram_size;
1847 
1848    /* Now we just need to check if we have enough GTT. */
1849    return gtt < screen->info.gart_size * 0.7;
1850 }
1851 
1852 /**
1853  * Add a buffer to the buffer list for the given command stream (CS).
1854  *
1855  * All buffers used by a CS must be added to the list. This tells the kernel
1856  * driver which buffers are used by GPU commands. Other buffers can
1857  * be swapped out (not accessible) during execution.
1858  *
1859  * The buffer list becomes empty after every context flush and must be
1860  * rebuilt.
1861  */
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)1862 static inline void radeon_add_to_buffer_list(struct si_context *sctx, struct radeon_cmdbuf *cs,
1863                                              struct si_resource *bo, enum radeon_bo_usage usage,
1864                                              enum radeon_bo_priority priority)
1865 {
1866    assert(usage);
1867    sctx->ws->cs_add_buffer(cs, bo->buf, (enum radeon_bo_usage)(usage | RADEON_USAGE_SYNCHRONIZED),
1868                            bo->domains, priority);
1869 }
1870 
1871 /**
1872  * Same as above, but also checks memory usage and flushes the context
1873  * accordingly.
1874  *
1875  * When this SHOULD NOT be used:
1876  *
1877  * - if si_context_add_resource_size has been called for the buffer
1878  *   followed by *_need_cs_space for checking the memory usage
1879  *
1880  * - if si_need_dma_space has been called for the buffer
1881  *
1882  * - when emitting state packets and draw packets (because preceding packets
1883  *   can't be re-emitted at that point)
1884  *
1885  * - if shader resource "enabled_mask" is not up-to-date or there is
1886  *   a different constraint disallowing a context flush
1887  */
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)1888 static inline void radeon_add_to_gfx_buffer_list_check_mem(struct si_context *sctx,
1889                                                            struct si_resource *bo,
1890                                                            enum radeon_bo_usage usage,
1891                                                            enum radeon_bo_priority priority,
1892                                                            bool check_mem)
1893 {
1894    if (check_mem &&
1895        !radeon_cs_memory_below_limit(sctx->screen, sctx->gfx_cs, sctx->vram + bo->vram_usage,
1896                                      sctx->gtt + bo->gart_usage))
1897       si_flush_gfx_cs(sctx, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL);
1898 
1899    radeon_add_to_buffer_list(sctx, sctx->gfx_cs, bo, usage, priority);
1900 }
1901 
si_compute_prim_discard_enabled(struct si_context * sctx)1902 static inline bool si_compute_prim_discard_enabled(struct si_context *sctx)
1903 {
1904    return sctx->prim_discard_vertex_count_threshold != UINT_MAX;
1905 }
1906 
si_get_wave_size(struct si_screen * sscreen,gl_shader_stage stage,bool ngg,bool es,bool gs_fast_launch,bool prim_discard_cs)1907 static inline unsigned si_get_wave_size(struct si_screen *sscreen,
1908                                         gl_shader_stage stage, bool ngg, bool es,
1909                                         bool gs_fast_launch, bool prim_discard_cs)
1910 {
1911    if (stage == MESA_SHADER_COMPUTE)
1912       return sscreen->compute_wave_size;
1913    else if (stage == MESA_SHADER_FRAGMENT)
1914       return sscreen->ps_wave_size;
1915    else if (gs_fast_launch)
1916       return 32; /* GS fast launch hangs with Wave64, so always use Wave32. */
1917    else if ((stage == MESA_SHADER_VERTEX && prim_discard_cs) || /* only Wave64 implemented */
1918             (stage == MESA_SHADER_VERTEX && es && !ngg) ||
1919             (stage == MESA_SHADER_TESS_EVAL && es && !ngg) ||
1920             (stage == MESA_SHADER_GEOMETRY && !ngg)) /* legacy GS only supports Wave64 */
1921       return 64;
1922    else
1923       return sscreen->ge_wave_size;
1924 }
1925 
si_get_shader_wave_size(struct si_shader * shader)1926 static inline unsigned si_get_shader_wave_size(struct si_shader *shader)
1927 {
1928    return si_get_wave_size(shader->selector->screen, shader->selector->info.stage,
1929                            shader->key.as_ngg,
1930                            shader->key.as_es,
1931                            shader->key.opt.ngg_culling & SI_NGG_CULL_GS_FAST_LAUNCH_ALL,
1932                            shader->key.opt.vs_as_prim_discard_cs);
1933 }
1934 
1935 /* Return the number of samples that the rasterizer uses. */
si_get_num_coverage_samples(struct si_context * sctx)1936 static inline unsigned si_get_num_coverage_samples(struct si_context *sctx)
1937 {
1938    if (sctx->framebuffer.nr_samples > 1 &&
1939        sctx->queued.named.rasterizer->multisample_enable)
1940       return sctx->framebuffer.nr_samples;
1941 
1942    /* Note that smoothing_enabled is set by si_update_shaders. */
1943    if (sctx->smoothing_enabled)
1944       return SI_NUM_SMOOTH_AA_SAMPLES;
1945 
1946    return 1;
1947 }
1948 
1949 #define PRINT_ERR(fmt, args...)                                                                    \
1950    fprintf(stderr, "EE %s:%d %s - " fmt, __FILE__, __LINE__, __func__, ##args)
1951 
1952 struct pipe_resource *si_buffer_from_winsys_buffer(struct pipe_screen *screen,
1953                                                    const struct pipe_resource *templ,
1954                                                    struct pb_buffer *imported_buf,
1955                                                    bool dedicated);
1956 
1957 #endif
1958