path: root/src/gallium/drivers/radeonsi/si_pipe.h

/*
 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
 * Copyright 2018 Advanced Micro Devices, Inc.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#ifndef SI_PIPE_H
#define SI_PIPE_H

#include "si_shader.h"
#include "si_state.h"
#include "util/u_dynarray.h"
#include "util/u_idalloc.h"
#include "util/u_threaded_context.h"

#if UTIL_ARCH_BIG_ENDIAN
#define SI_BIG_ENDIAN 1
#else
#define SI_BIG_ENDIAN 0
#endif

#define ATI_VENDOR_ID         0x1002
#define SI_PRIM_DISCARD_DEBUG 0
#define SI_NOT_QUERY          0xffffffff

/* The base vertex and primitive restart can be any number, but we must pick
 * one which will mean "unknown" for the purpose of state tracking and
 * the number shouldn't be a commonly-used one. */
#define SI_BASE_VERTEX_UNKNOWN    INT_MIN
#define SI_RESTART_INDEX_UNKNOWN  INT_MIN
#define SI_INSTANCE_COUNT_UNKNOWN INT_MIN
#define SI_NUM_SMOOTH_AA_SAMPLES  8
#define SI_MAX_POINT_SIZE         2048
#define SI_GS_PER_ES              128
/* Alignment for optimal CP DMA performance. */
#define SI_CPDMA_ALIGNMENT 32

/* Tunables for compute-based clear_buffer and copy_buffer: */
#define SI_COMPUTE_CLEAR_DW_PER_THREAD 4
#define SI_COMPUTE_COPY_DW_PER_THREAD  4
#define SI_COMPUTE_DST_CACHE_POLICY    L2_STREAM

/* Pipeline & streamout query controls. */
#define SI_CONTEXT_START_PIPELINE_STATS  (1 << 0)
#define SI_CONTEXT_STOP_PIPELINE_STATS   (1 << 1)
#define SI_CONTEXT_FLUSH_FOR_RENDER_COND (1 << 2)
/* Instruction cache. */
#define SI_CONTEXT_INV_ICACHE (1 << 3)
/* Scalar cache. (GFX6-9: scalar L1; GFX10: scalar L0)
 * GFX10: This also invalidates the L1 shader array cache. */
#define SI_CONTEXT_INV_SCACHE (1 << 4)
/* Vector cache. (GFX6-9: vector L1; GFX10: vector L0)
 * GFX10: This also invalidates the L1 shader array cache. */
#define SI_CONTEXT_INV_VCACHE (1 << 5)
/* L2 cache + L2 metadata cache writeback & invalidate.
 * GFX6-8: Used by shaders only. GFX9-10: Used by everything. */
#define SI_CONTEXT_INV_L2 (1 << 6)
/* L2 writeback (write dirty L2 lines to memory for non-L2 clients).
 * Only used for coherency with non-L2 clients like CB, DB, CP on GFX6-8.
 * GFX6-7 will do complete invalidation, because the writeback is unsupported. */
#define SI_CONTEXT_WB_L2 (1 << 7)
/* Writeback & invalidate the L2 metadata cache only. It can only be coupled with
 * a CB or DB flush. */
#define SI_CONTEXT_INV_L2_METADATA (1 << 8)
/* Framebuffer caches. */
#define SI_CONTEXT_FLUSH_AND_INV_DB      (1 << 9)
#define SI_CONTEXT_FLUSH_AND_INV_DB_META (1 << 10)
#define SI_CONTEXT_FLUSH_AND_INV_CB      (1 << 11)
/* Engine synchronization. */
#define SI_CONTEXT_VS_PARTIAL_FLUSH   (1 << 12)
#define SI_CONTEXT_PS_PARTIAL_FLUSH   (1 << 13)
#define SI_CONTEXT_CS_PARTIAL_FLUSH   (1 << 14)
#define SI_CONTEXT_VGT_FLUSH          (1 << 15)
#define SI_CONTEXT_VGT_STREAMOUT_SYNC (1 << 16)

#define SI_PREFETCH_VBO_DESCRIPTORS (1 << 0)
#define SI_PREFETCH_LS              (1 << 1)
#define SI_PREFETCH_HS              (1 << 2)
#define SI_PREFETCH_ES              (1 << 3)
#define SI_PREFETCH_GS              (1 << 4)
#define SI_PREFETCH_VS              (1 << 5)
#define SI_PREFETCH_PS              (1 << 6)

#define SI_MAX_BORDER_COLORS              4096
#define SI_MAX_VIEWPORTS                  16
#define SIX_BITS                          0x3F
#define SI_MAP_BUFFER_ALIGNMENT           64
#define SI_MAX_VARIABLE_THREADS_PER_BLOCK 1024

#define SI_RESOURCE_FLAG_TRANSFER          (PIPE_RESOURCE_FLAG_DRV_PRIV << 0)
#define SI_RESOURCE_FLAG_FLUSHED_DEPTH     (PIPE_RESOURCE_FLAG_DRV_PRIV << 1)
#define SI_RESOURCE_FLAG_FORCE_MSAA_TILING (PIPE_RESOURCE_FLAG_DRV_PRIV << 2)
#define SI_RESOURCE_FLAG_DISABLE_DCC       (PIPE_RESOURCE_FLAG_DRV_PRIV << 3)
#define SI_RESOURCE_FLAG_UNMAPPABLE        (PIPE_RESOURCE_FLAG_DRV_PRIV << 4)
#define SI_RESOURCE_FLAG_READ_ONLY         (PIPE_RESOURCE_FLAG_DRV_PRIV << 5)
#define SI_RESOURCE_FLAG_32BIT             (PIPE_RESOURCE_FLAG_DRV_PRIV << 6)
#define SI_RESOURCE_FLAG_CLEAR             (PIPE_RESOURCE_FLAG_DRV_PRIV << 7)
/* For const_uploader, upload data via GTT and copy to VRAM on context flush via SDMA. */
#define SI_RESOURCE_FLAG_UPLOAD_FLUSH_EXPLICIT_VIA_SDMA (PIPE_RESOURCE_FLAG_DRV_PRIV << 8)
/* Set a micro tile mode: */
#define SI_RESOURCE_FLAG_FORCE_MICRO_TILE_MODE (PIPE_RESOURCE_FLAG_DRV_PRIV << 9)
#define SI_RESOURCE_FLAG_MICRO_TILE_MODE_SHIFT (util_logbase2(PIPE_RESOURCE_FLAG_DRV_PRIV) + 10)
#define SI_RESOURCE_FLAG_MICRO_TILE_MODE_SET(x)                                                    \
   (((x)&0x3) << SI_RESOURCE_FLAG_MICRO_TILE_MODE_SHIFT)
#define SI_RESOURCE_FLAG_MICRO_TILE_MODE_GET(x)                                                    \
   (((x) >> SI_RESOURCE_FLAG_MICRO_TILE_MODE_SHIFT) & 0x3)

enum si_clear_code
{
   DCC_CLEAR_COLOR_0000 = 0x00000000,
   DCC_CLEAR_COLOR_0001 = 0x40404040,
   DCC_CLEAR_COLOR_1110 = 0x80808080,
   DCC_CLEAR_COLOR_1111 = 0xC0C0C0C0,
   DCC_CLEAR_COLOR_REG = 0x20202020,
   DCC_UNCOMPRESSED = 0xFFFFFFFF,
};

#define SI_IMAGE_ACCESS_AS_BUFFER (1 << 7)
#define SI_IMAGE_ACCESS_DCC_OFF   (1 << 8)

/* Debug flags. */
enum
{
   /* Shader logging options: */
   DBG_VS = PIPE_SHADER_VERTEX,
   DBG_PS = PIPE_SHADER_FRAGMENT,
   DBG_GS = PIPE_SHADER_GEOMETRY,
   DBG_TCS = PIPE_SHADER_TESS_CTRL,
   DBG_TES = PIPE_SHADER_TESS_EVAL,
   DBG_CS = PIPE_SHADER_COMPUTE,
   DBG_NO_IR,
   DBG_NO_NIR,
   DBG_NO_ASM,
   DBG_PREOPT_IR,

   /* Shader compiler options the shader cache should be aware of: */
   DBG_FS_CORRECT_DERIVS_AFTER_KILL,
   DBG_GISEL,
   DBG_W32_GE,
   DBG_W32_PS,
   DBG_W32_CS,
   DBG_W64_GE,
   DBG_W64_PS,
   DBG_W64_CS,
   DBG_KILL_PS_INF_INTERP,

   /* Shader compiler options (with no effect on the shader cache): */
   DBG_CHECK_IR,
   DBG_MONOLITHIC_SHADERS,
   DBG_NO_OPT_VARIANT,

   /* Information logging options: */
   DBG_INFO,
   DBG_TEX,
   DBG_COMPUTE,
   DBG_VM,
   DBG_CACHE_STATS,

   /* Driver options: */
   DBG_FORCE_SDMA,
   DBG_NO_SDMA,
   DBG_NO_SDMA_CLEARS,
   DBG_NO_SDMA_COPY_IMAGE,
   DBG_NO_WC,
   DBG_CHECK_VM,
   DBG_RESERVE_VMID,
   DBG_ZERO_VRAM,

   /* 3D engine options: */
   DBG_NO_GFX,
   DBG_NO_NGG,
   DBG_ALWAYS_NGG_CULLING,
   DBG_NO_NGG_CULLING,
   DBG_ALWAYS_PD,
   DBG_PD,
   DBG_NO_PD,
   DBG_SWITCH_ON_EOP,
   DBG_NO_OUT_OF_ORDER,
   DBG_NO_DPBB,
   DBG_NO_DFSM,
   DBG_DPBB,
   DBG_DFSM,
   DBG_NO_HYPERZ,
   DBG_NO_RB_PLUS,
   DBG_NO_2D_TILING,
   DBG_NO_TILING,
   DBG_NO_DCC,
   DBG_NO_DCC_CLEAR,
   DBG_NO_DCC_FB,
   DBG_NO_DCC_MSAA,
   DBG_NO_FMASK,

   DBG_COUNT
};

enum
{
   /* Tests: */
   DBG_TEST_DMA,
   DBG_TEST_VMFAULT_CP,
   DBG_TEST_VMFAULT_SDMA,
   DBG_TEST_VMFAULT_SHADER,
   DBG_TEST_DMA_PERF,
   DBG_TEST_GDS,
   DBG_TEST_GDS_MM,
   DBG_TEST_GDS_OA_MM,
};

#define DBG_ALL_SHADERS (((1 << (DBG_CS + 1)) - 1))
#define DBG(name)       (1ull << DBG_##name)

enum si_cache_policy
{
   L2_BYPASS,
   L2_STREAM, /* same as SLC=1 */
   L2_LRU,    /* same as SLC=0 */
};

enum si_coherency
{
   SI_COHERENCY_NONE, /* no cache flushes needed */
   SI_COHERENCY_SHADER,
   SI_COHERENCY_CB_META,
   SI_COHERENCY_DB_META,
   SI_COHERENCY_CP,
};

struct si_compute;
struct si_shader_context;
struct hash_table;
struct u_suballocator;

/* Only 32-bit buffer allocations are supported, gallium doesn't support more
 * at the moment.
 */
struct si_resource {
   struct threaded_resource b;

   /* Winsys objects. */
   struct pb_buffer *buf;
   uint64_t gpu_address;
   /* Memory usage if the buffer placement is optimal. */
   uint64_t vram_usage;
   uint64_t gart_usage;

   /* Resource properties. */
   uint64_t bo_size;
   unsigned bo_alignment;
   enum radeon_bo_domain domains;
   enum radeon_bo_flag flags;
   unsigned bind_history;
   int max_forced_staging_uploads;

   /* The buffer range which is initialized (with a write transfer,
    * streamout, DMA, or as a random access target). The rest of
    * the buffer is considered invalid and can be mapped unsynchronized.
    *
    * This allows unsychronized mapping of a buffer range which hasn't
    * been used yet. It's for applications which forget to use
    * the unsynchronized map flag and expect the driver to figure it out.
    */
   struct util_range valid_buffer_range;

   /* For buffers only. This indicates that a write operation has been
    * performed by TC L2, but the cache hasn't been flushed.
    * Any hw block which doesn't use or bypasses TC L2 should check this
    * flag and flush the cache before using the buffer.
    *
    * For example, TC L2 must be flushed if a buffer which has been
    * modified by a shader store instruction is about to be used as
    * an index buffer. The reason is that VGT DMA index fetching doesn't
    * use TC L2.
    */
   bool TC_L2_dirty;

   /* Whether this resource is referenced by bindless handles. */
   bool texture_handle_allocated;
   bool image_handle_allocated;

   /* Whether the resource has been exported via resource_get_handle. */
   unsigned external_usage; /* PIPE_HANDLE_USAGE_* */
};

struct si_transfer {
   struct threaded_transfer b;
   struct si_resource *staging;
   unsigned offset;
};

struct si_texture {
   struct si_resource buffer;

   struct radeon_surf surface;
   struct si_texture *flushed_depth_texture;

   /* One texture allocation can contain these buffers:
    * - image (pixel data)
    * - FMASK buffer (MSAA compression)
    * - CMASK buffer (MSAA compression and/or legacy fast color clear)
    * - HTILE buffer (Z/S compression and fast Z/S clear)
    * - DCC buffer (color compression and new fast color clear)
    * - displayable DCC buffer (if the DCC buffer is not displayable)
    * - DCC retile mapping buffer (if the DCC buffer is not displayable)
    */
   uint64_t cmask_base_address_reg;
   struct si_resource *cmask_buffer;
   unsigned cb_color_info; /* fast clear enable bit */
   unsigned color_clear_value[2];
   unsigned last_msaa_resolve_target_micro_mode;
   unsigned num_level0_transfers;
   unsigned plane_index; /* other planes are different pipe_resources */
   unsigned num_planes;

   /* Depth buffer compression and fast clear. */
   float depth_clear_value;
   uint16_t dirty_level_mask;         /* each bit says if that mipmap is compressed */
   uint16_t stencil_dirty_level_mask; /* each bit says if that mipmap is compressed */
   enum pipe_format db_render_format : 16;
   uint8_t stencil_clear_value;
   bool fmask_is_identity : 1;
   bool tc_compatible_htile : 1;
   bool enable_tc_compatible_htile_next_clear : 1;
   bool htile_stencil_disabled : 1;
   bool depth_cleared : 1;   /* if it was cleared at least once */
   bool stencil_cleared : 1; /* if it was cleared at least once */
   bool upgraded_depth : 1;  /* upgraded from unorm to Z32_FLOAT */
   bool is_depth : 1;
   bool db_compatible : 1;
   bool can_sample_z : 1;
   bool can_sample_s : 1;

   /* We need to track DCC dirtiness, because st/dri usually calls
    * flush_resource twice per frame (not a bug) and we don't wanna
    * decompress DCC twice. Also, the dirty tracking must be done even
    * if DCC isn't used, because it's required by the DCC usage analysis
    * for a possible future enablement.
    */
   bool separate_dcc_dirty : 1;
   bool displayable_dcc_dirty : 1;

   /* Statistics gathering for the DCC enablement heuristic. */
   bool dcc_gather_statistics : 1;
   /* Counter that should be non-zero if the texture is bound to a
    * framebuffer.
    */
   unsigned framebuffers_bound;
   /* Whether the texture is a displayable back buffer and needs DCC
    * decompression, which is expensive. Therefore, it's enabled only
    * if statistics suggest that it will pay off and it's allocated
    * separately. It can't be bound as a sampler by apps. Limited to
    * target == 2D and last_level == 0. If enabled, dcc_offset contains
    * the absolute GPUVM address, not the relative one.
    */
   struct si_resource *dcc_separate_buffer;
   /* When DCC is temporarily disabled, the separate buffer is here. */
   struct si_resource *last_dcc_separate_buffer;
   /* Estimate of how much this color buffer is written to in units of
    * full-screen draws: ps_invocations / (width * height)
    * Shader kills, late Z, and blending with trivial discards make it
    * inaccurate (we need to count CB updates, not PS invocations).
    */
   unsigned ps_draw_ratio;
   /* The number of clears since the last DCC usage analysis. */
   unsigned num_slow_clears;
};

struct si_surface {
   struct pipe_surface base;

   /* These can vary with block-compressed textures. */
   uint16_t width0;
   uint16_t height0;

   bool color_initialized : 1;
   bool depth_initialized : 1;

   /* Misc. color flags. */
   bool color_is_int8 : 1;
   bool color_is_int10 : 1;
   bool dcc_incompatible : 1;

   /* Color registers. */
   unsigned cb_color_info;
   unsigned cb_color_view;
   unsigned cb_color_attrib;
   unsigned cb_color_attrib2;                      /* GFX9 and later */
   unsigned cb_color_attrib3;                      /* GFX10 and later */
   unsigned cb_dcc_control;                        /* GFX8 and later */
   unsigned spi_shader_col_format : 8;             /* no blending, no alpha-to-coverage. */
   unsigned spi_shader_col_format_alpha : 8;       /* alpha-to-coverage */
   unsigned spi_shader_col_format_blend : 8;       /* blending without alpha. */
   unsigned spi_shader_col_format_blend_alpha : 8; /* blending with alpha. */

   /* DB registers. */
   uint64_t db_depth_base; /* DB_Z_READ/WRITE_BASE */
   uint64_t db_stencil_base;
   uint64_t db_htile_data_base;
   unsigned db_depth_info;
   unsigned db_z_info;
   unsigned db_z_info2; /* GFX9 only */
   unsigned db_depth_view;
   unsigned db_depth_size;
   unsigned db_depth_slice;
   unsigned db_stencil_info;
   unsigned db_stencil_info2; /* GFX9 only */
   unsigned db_htile_surface;
};

struct si_mmio_counter {
   unsigned busy;
   unsigned idle;
};

union si_mmio_counters {
   struct {
      /* For global GPU load including SDMA. */
      struct si_mmio_counter gpu;

      /* GRBM_STATUS */
      struct si_mmio_counter spi;
      struct si_mmio_counter gui;
      struct si_mmio_counter ta;
      struct si_mmio_counter gds;
      struct si_mmio_counter vgt;
      struct si_mmio_counter ia;
      struct si_mmio_counter sx;
      struct si_mmio_counter wd;
      struct si_mmio_counter bci;
      struct si_mmio_counter sc;
      struct si_mmio_counter pa;
      struct si_mmio_counter db;
      struct si_mmio_counter cp;
      struct si_mmio_counter cb;

      /* SRBM_STATUS2 */
      struct si_mmio_counter sdma;

      /* CP_STAT */
      struct si_mmio_counter pfp;
      struct si_mmio_counter meq;
      struct si_mmio_counter me;
      struct si_mmio_counter surf_sync;
      struct si_mmio_counter cp_dma;
      struct si_mmio_counter scratch_ram;
   } named;
   unsigned array[0];
};

struct si_memory_object {
   struct pipe_memory_object b;
   struct pb_buffer *buf;
   uint32_t stride;
};

/* Saved CS data for debugging features. */
struct radeon_saved_cs {
   uint32_t *ib;
   unsigned num_dw;

   struct radeon_bo_list_item *bo_list;
   unsigned bo_count;
};

struct si_screen {
   struct pipe_screen b;
   struct radeon_winsys *ws;
   struct disk_cache *disk_shader_cache;

   struct radeon_info info;
   uint64_t debug_flags;
   char renderer_string[183];

   void (*make_texture_descriptor)(struct si_screen *screen, struct si_texture *tex, bool sampler,
                                   enum pipe_texture_target target, enum pipe_format pipe_format,
                                   const unsigned char state_swizzle[4], unsigned first_level,
                                   unsigned last_level, unsigned first_layer, unsigned last_layer,
                                   unsigned width, unsigned height, unsigned depth, uint32_t *state,
                                   uint32_t *fmask_state);

   unsigned num_vbos_in_user_sgprs;
   unsigned pa_sc_raster_config;
   unsigned pa_sc_raster_config_1;
   unsigned se_tile_repeat;
   unsigned gs_table_depth;
   unsigned tess_offchip_block_dw_size;
   unsigned tess_offchip_ring_size;
   unsigned tess_factor_ring_size;
   unsigned vgt_hs_offchip_param;
   unsigned eqaa_force_coverage_samples;
   unsigned eqaa_force_z_samples;
   unsigned eqaa_force_color_samples;
   bool has_draw_indirect_multi;
   bool has_out_of_order_rast;
   bool assume_no_z_fights;
   bool commutative_blend_add;
   bool dpbb_allowed;
   bool dfsm_allowed;
   bool llvm_has_working_vgpr_indexing;
   bool use_ngg;
   bool use_ngg_culling;
   bool always_use_ngg_culling;
   bool use_ngg_streamout;

   struct {
#define OPT_BOOL(name, dflt, description) bool name : 1;
#include "si_debug_options.h"
   } options;

   /* Whether shaders are monolithic (1-part) or separate (3-part). */
   bool use_monolithic_shaders;
   bool record_llvm_ir;
   bool dcc_msaa_allowed;

   struct slab_parent_pool pool_transfers;

   /* Texture filter settings. */
   int force_aniso; /* -1 = disabled */

   /* Auxiliary context. Mainly used to initialize resources.
    * It must be locked prior to using and flushed before unlocking. */
   struct pipe_context *aux_context;
   simple_mtx_t aux_context_lock;

   /* This must be in the screen, because UE4 uses one context for
    * compilation and another one for rendering.
    */
   unsigned num_compilations;
   /* Along with ST_DEBUG=precompile, this should show if applications
    * are loading shaders on demand. This is a monotonic counter.
    */
   unsigned num_shaders_created;
   unsigned num_memory_shader_cache_hits;
   unsigned num_memory_shader_cache_misses;
   unsigned num_disk_shader_cache_hits;
   unsigned num_disk_shader_cache_misses;

   /* GPU load thread. */
   simple_mtx_t gpu_load_mutex;
   thrd_t gpu_load_thread;
   union si_mmio_counters mmio_counters;
   volatile unsigned gpu_load_stop_thread; /* bool */

   /* Performance counters. */
   struct si_perfcounters *perfcounters;

   /* If pipe_screen wants to recompute and re-emit the framebuffer,
    * sampler, and image states of all contexts, it should atomically
    * increment this.
    *
    * Each context will compare this with its own last known value of
    * the counter before drawing and re-emit the states accordingly.
    */
   unsigned dirty_tex_counter;
   unsigned dirty_buf_counter;

   /* Atomically increment this counter when an existing texture's
    * metadata is enabled or disabled in a way that requires changing
    * contexts' compressed texture binding masks.
    */
   unsigned compressed_colortex_counter;

   struct {
      /* Context flags to set so that all writes from earlier jobs
       * in the CP are seen by L2 clients.
       */
      unsigned cp_to_L2;

      /* Context flags to set so that all writes from earlier jobs
       * that end in L2 are seen by CP.
       */
      unsigned L2_to_cp;
   } barrier_flags;

   simple_mtx_t shader_parts_mutex;
   struct si_shader_part *vs_prologs;
   struct si_shader_part *tcs_epilogs;
   struct si_shader_part *gs_prologs;
   struct si_shader_part *ps_prologs;
   struct si_shader_part *ps_epilogs;

   /* Shader cache in memory.
    *
    * Design & limitations:
    * - The shader cache is per screen (= per process), never saved to
    *   disk, and skips redundant shader compilations from NIR to bytecode.
    * - It can only be used with one-variant-per-shader support, in which
    *   case only the main (typically middle) part of shaders is cached.
    * - Only VS, TCS, TES, PS are cached, out of which only the hw VS
    *   variants of VS and TES are cached, so LS and ES aren't.
    * - GS and CS aren't cached, but it's certainly possible to cache
    *   those as well.
    */
   simple_mtx_t shader_cache_mutex;
   struct hash_table *shader_cache;

   /* Shader cache of live shaders. */
   struct util_live_shader_cache live_shader_cache;

   /* Shader compiler queue for multithreaded compilation. */
   struct util_queue shader_compiler_queue;
   /* Use at most 3 normal compiler threads on quadcore and better.
    * Hyperthreaded CPUs report the number of threads, but we want
    * the number of cores. We only need this many threads for shader-db. */
   struct ac_llvm_compiler compiler[24]; /* used by the queue only */

   struct util_queue shader_compiler_queue_low_priority;
   /* Use at most 2 low priority threads on quadcore and better.
    * We want to minimize the impact on multithreaded Mesa. */
   struct ac_llvm_compiler compiler_lowp[10];

   unsigned compute_wave_size;
   unsigned ps_wave_size;
   unsigned ge_wave_size;
};

struct si_blend_color {
   struct pipe_blend_color state;
   bool any_nonzeros;
};

struct si_sampler_view {
   struct pipe_sampler_view base;
   /* [0..7] = image descriptor
    * [4..7] = buffer descriptor */
   uint32_t state[8];
   uint32_t fmask_state[8];
   const struct legacy_surf_level *base_level_info;
   ubyte base_level;
   ubyte block_width;
   bool is_stencil_sampler;
   bool is_integer;
   bool dcc_incompatible;
};

#define SI_SAMPLER_STATE_MAGIC 0x34f1c35a

struct si_sampler_state {
#ifndef NDEBUG
   unsigned magic;
#endif
   uint32_t val[4];
   uint32_t integer_val[4];
   uint32_t upgraded_depth_val[4];
};

struct si_cs_shader_state {
   struct si_compute *program;
   struct si_compute *emitted_program;
   unsigned offset;
   bool initialized;
   bool uses_scratch;
};

struct si_samplers {
   struct pipe_sampler_view *views[SI_NUM_SAMPLERS];
   struct si_sampler_state *sampler_states[SI_NUM_SAMPLERS];

   /* The i-th bit is set if that element is enabled (non-NULL resource). */
   unsigned enabled_mask;
   uint32_t needs_depth_decompress_mask;
   uint32_t needs_color_decompress_mask;
};

struct si_images {
   struct pipe_image_view views[SI_NUM_IMAGES];
   uint32_t needs_color_decompress_mask;
   unsigned enabled_mask;
};

struct si_framebuffer {
   struct pipe_framebuffer_state state;
   unsigned colorbuf_enabled_4bit;
   unsigned spi_shader_col_format;
   unsigned spi_shader_col_format_alpha;
   unsigned spi_shader_col_format_blend;
   unsigned spi_shader_col_format_blend_alpha;
   ubyte nr_samples : 5;   /* at most 16xAA */
   ubyte log_samples : 3;  /* at most 4 = 16xAA */
   ubyte nr_color_samples; /* at most 8xAA */
   ubyte compressed_cb_mask;
   ubyte uncompressed_cb_mask;
   ubyte displayable_dcc_cb_mask;
   ubyte color_is_int8;
   ubyte color_is_int10;
   ubyte dirty_cbufs;
   ubyte dcc_overwrite_combiner_watermark;
   ubyte min_bytes_per_pixel;
   bool dirty_zsbuf;
   bool any_dst_linear;
   bool CB_has_shader_readable_metadata;
   bool DB_has_shader_readable_metadata;
   bool all_DCC_pipe_aligned;
};

enum si_quant_mode
{
   /* This is the list we want to support. */
   SI_QUANT_MODE_16_8_FIXED_POINT_1_256TH,
   SI_QUANT_MODE_14_10_FIXED_POINT_1_1024TH,
   SI_QUANT_MODE_12_12_FIXED_POINT_1_4096TH,
};

struct si_signed_scissor {
   int minx;
   int miny;
   int maxx;
   int maxy;
   enum si_quant_mode quant_mode;
};

struct si_viewports {
   struct pipe_viewport_state states[SI_MAX_VIEWPORTS];
   struct si_signed_scissor as_scissor[SI_MAX_VIEWPORTS];
   bool y_inverted;
};

struct si_clip_state {
   struct pipe_clip_state state;
   bool any_nonzeros;
};

struct si_streamout_target {
   struct pipe_stream_output_target b;

   /* The buffer where BUFFER_FILLED_SIZE is stored. */
   struct si_resource *buf_filled_size;
   unsigned buf_filled_size_offset;
   bool buf_filled_size_valid;

   unsigned stride_in_dw;
};

struct si_streamout {
   bool begin_emitted;

   unsigned enabled_mask;
   unsigned num_targets;
   struct si_streamout_target *targets[PIPE_MAX_SO_BUFFERS];

   unsigned append_bitmask;
   bool suspended;

   /* External state which comes from the vertex shader,
    * it must be set explicitly when binding a shader. */
   uint16_t *stride_in_dw;
   unsigned enabled_stream_buffers_mask; /* stream0 buffers0-3 in 4 LSB */

   /* The state of VGT_STRMOUT_BUFFER_(CONFIG|EN). */
   unsigned hw_enabled_mask;

   /* The state of VGT_STRMOUT_(CONFIG|EN). */
   bool streamout_enabled;
   bool prims_gen_query_enabled;
   int num_prims_gen_queries;
};

/* A shader state consists of the shader selector, which is a constant state
 * object shared by multiple contexts and shouldn't be modified, and
 * the current shader variant selected for this context.
 */
struct si_shader_ctx_state {
   struct si_shader_selector *cso;
   struct si_shader *current;
};

#define SI_NUM_VGT_PARAM_KEY_BITS 12
#define SI_NUM_VGT_PARAM_STATES   (1 << SI_NUM_VGT_PARAM_KEY_BITS)

/* The IA_MULTI_VGT_PARAM key used to index the table of precomputed values.
 * Some fields are set by state-change calls, most are set by draw_vbo.
 */
union si_vgt_param_key {
   struct {
#if UTIL_ARCH_LITTLE_ENDIAN
      unsigned prim : 4;
      unsigned uses_instancing : 1;
      unsigned multi_instances_smaller_than_primgroup : 1;
      unsigned primitive_restart : 1;
      unsigned count_from_stream_output : 1;
      unsigned line_stipple_enabled : 1;
      unsigned uses_tess : 1;
      unsigned tess_uses_prim_id : 1;
      unsigned uses_gs : 1;
      unsigned _pad : 32 - SI_NUM_VGT_PARAM_KEY_BITS;
#else /* UTIL_ARCH_BIG_ENDIAN */
      unsigned _pad : 32 - SI_NUM_VGT_PARAM_KEY_BITS;
      unsigned uses_gs : 1;
      unsigned tess_uses_prim_id : 1;
      unsigned uses_tess : 1;
      unsigned line_stipple_enabled : 1;
      unsigned count_from_stream_output : 1;
      unsigned primitive_restart : 1;
      unsigned multi_instances_smaller_than_primgroup : 1;
      unsigned uses_instancing : 1;
      unsigned prim : 4;
#endif
   } u;
   uint32_t index;
};

#define SI_NUM_VGT_STAGES_KEY_BITS 6
#define SI_NUM_VGT_STAGES_STATES   (1 << SI_NUM_VGT_STAGES_KEY_BITS)

/* The VGT_SHADER_STAGES key used to index the table of precomputed values.
 * Some fields are set by state-change calls, most are set by draw_vbo.
 */
union si_vgt_stages_key {
   struct {
#if UTIL_ARCH_LITTLE_ENDIAN
      unsigned tess : 1;
      unsigned gs : 1;
      unsigned ngg_gs_fast_launch : 1;
      unsigned ngg_passthrough : 1;
      unsigned ngg : 1;       /* gfx10+ */
      unsigned streamout : 1; /* only used with NGG */
      unsigned _pad : 32 - SI_NUM_VGT_STAGES_KEY_BITS;
#else /* UTIL_ARCH_BIG_ENDIAN */
      unsigned _pad : 32 - SI_NUM_VGT_STAGES_KEY_BITS;
      unsigned streamout : 1;
      unsigned ngg : 1;
      unsigned ngg_passthrough : 1;
      unsigned ngg_gs_fast_launch : 1;
      unsigned gs : 1;
      unsigned tess : 1;
#endif
   } u;
   uint32_t index;
};

struct si_texture_handle {
   unsigned desc_slot;
   bool desc_dirty;
   struct pipe_sampler_view *view;
   struct si_sampler_state sstate;
};

struct si_image_handle {
   unsigned desc_slot;
   bool desc_dirty;
   struct pipe_image_view view;
};

struct si_saved_cs {
   struct pipe_reference reference;
   struct si_context *ctx;
   struct radeon_saved_cs gfx;
   struct radeon_saved_cs compute;
   struct si_resource *trace_buf;
   unsigned trace_id;

   unsigned gfx_last_dw;
   unsigned compute_last_dw;
   bool flushed;
   int64_t time_flush;
};

struct si_sdma_upload {
   struct si_resource *dst;
   struct si_resource *src;
   unsigned src_offset;
   unsigned dst_offset;
   unsigned size;
};

struct si_small_prim_cull_info {
   float scale[2], translate[2];
};

struct si_context {
   struct pipe_context b; /* base class */

   enum radeon_family family;
   enum chip_class chip_class;

   struct radeon_winsys *ws;
   struct radeon_winsys_ctx *ctx;
   struct radeon_cmdbuf *gfx_cs; /* compute IB if graphics is disabled */
   struct radeon_cmdbuf *sdma_cs;
   struct pipe_fence_handle *last_gfx_fence;
   struct pipe_fence_handle *last_sdma_fence;
   struct si_resource *eop_bug_scratch;
   struct u_upload_mgr *cached_gtt_allocator;
   struct threaded_context *tc;
   struct u_suballocator *allocator_zeroed_memory;
   struct slab_child_pool pool_transfers;
   struct slab_child_pool pool_transfers_unsync; /* for threaded_context */
   struct pipe_device_reset_callback device_reset_callback;
   struct u_log_context *log;
   void *query_result_shader;
   void *sh_query_result_shader;

   void (*emit_cache_flush)(struct si_context *ctx);

   struct blitter_context *blitter;
   void *noop_blend;
   void *noop_dsa;
   void *discard_rasterizer_state;
   void *custom_dsa_flush;
   void *custom_blend_resolve;
   void *custom_blend_fmask_decompress;
   void *custom_blend_eliminate_fastclear;
   void *custom_blend_dcc_decompress;
   void *vs_blit_pos;
   void *vs_blit_pos_layered;
   void *vs_blit_color;
   void *vs_blit_color_layered;
   void *vs_blit_texcoord;
   void *cs_clear_buffer;
   void *cs_copy_buffer;
   void *cs_copy_image;
   void *cs_copy_image_1d_array;
   void *cs_clear_render_target;
   void *cs_clear_render_target_1d_array;
   void *cs_clear_12bytes_buffer;
   void *cs_dcc_decompress;
   void *cs_dcc_retile;
   void *cs_fmask_expand[3][2]; /* [log2(samples)-1][is_array] */
   struct si_screen *screen;
   struct pipe_debug_callback debug;
   struct ac_llvm_compiler compiler; /* only non-threaded compilation */
   struct si_shader_ctx_state fixed_func_tcs_shader;
   /* Offset 0: EOP flush number; Offset 4: GDS prim restart counter */
   struct si_resource *wait_mem_scratch;
   unsigned wait_mem_number;
   uint16_t prefetch_L2_mask;

   bool has_graphics;
   bool gfx_flush_in_progress : 1;
   bool gfx_last_ib_is_busy : 1;
   bool compute_is_busy : 1;

   unsigned num_gfx_cs_flushes;
   unsigned initial_gfx_cs_size;
   unsigned last_dirty_tex_counter;
   unsigned last_dirty_buf_counter;
   unsigned last_compressed_colortex_counter;
   unsigned last_num_draw_calls;
   unsigned flags; /* flush flags */
   /* Current unaccounted memory usage. */
   uint64_t vram;
   uint64_t gtt;

   /* Compute-based primitive discard. */
   unsigned prim_discard_vertex_count_threshold;
   struct pb_buffer *gds;
   struct pb_buffer *gds_oa;
   struct radeon_cmdbuf *prim_discard_compute_cs;
   unsigned compute_gds_offset;
   struct si_shader *compute_ib_last_shader;
   uint32_t compute_rewind_va;
   unsigned compute_num_prims_in_batch;
   bool preserve_prim_restart_gds_at_flush;
   /* index_ring is divided into 2 halves for doublebuffering. */
   struct si_resource *index_ring;
   unsigned index_ring_base;        /* offset of a per-IB portion */
   unsigned index_ring_offset;      /* offset within a per-IB portion */
   unsigned index_ring_size_per_ib; /* max available size per IB */
   bool prim_discard_compute_ib_initialized;
   /* For tracking the last execution barrier - it can be either
    * a WRITE_DATA packet or a fence. */
   uint32_t *last_pkt3_write_data;
   struct si_resource *barrier_buf;
   unsigned barrier_buf_offset;
   struct pipe_fence_handle *last_ib_barrier_fence;
   struct si_resource *last_ib_barrier_buf;
   unsigned last_ib_barrier_buf_offset;

   /* Atoms (direct states). */
   union si_state_atoms atoms;
   unsigned dirty_atoms; /* mask */
   /* PM4 states (precomputed immutable states) */
   unsigned dirty_states;
   union si_state queued;
   union si_state emitted;

   /* Atom declarations. */
   struct si_framebuffer framebuffer;
   unsigned sample_locs_num_samples;
   uint16_t sample_mask;
   unsigned last_cb_target_mask;
   struct si_blend_color blend_color;
   struct si_clip_state clip_state;
   struct si_shader_data shader_pointers;
   struct si_stencil_ref stencil_ref;
   struct pipe_scissor_state scissors[SI_MAX_VIEWPORTS];
   struct si_streamout streamout;
   struct si_viewports viewports;
   unsigned num_window_rectangles;
   bool window_rectangles_include;
   struct pipe_scissor_state window_rectangles[4];

   /* Precomputed states. */
   struct si_pm4_state *init_config;
   struct si_pm4_state *init_config_gs_rings;
   bool init_config_has_vgt_flush;
   struct si_pm4_state *vgt_shader_config[SI_NUM_VGT_STAGES_STATES];

   /* shaders */
   struct si_shader_ctx_state ps_shader;
   struct si_shader_ctx_state gs_shader;
   struct si_shader_ctx_state vs_shader;
   struct si_shader_ctx_state tcs_shader;
   struct si_shader_ctx_state tes_shader;
   struct si_shader_ctx_state cs_prim_discard_state;
   struct si_cs_shader_state cs_shader_state;

   /* shader information */
   struct si_vertex_elements *vertex_elements;
   unsigned num_vertex_elements;
   unsigned sprite_coord_enable;
   unsigned cs_max_waves_per_sh;
   bool flatshade;
   bool do_update_shaders;

   /* shader descriptors */
   struct si_descriptors descriptors[SI_NUM_DESCS];
   unsigned descriptors_dirty;
   unsigned shader_pointers_dirty;
   unsigned shader_needs_decompress_mask;
   struct si_buffer_resources rw_buffers;
   struct si_buffer_resources const_and_shader_buffers[SI_NUM_SHADERS];
   struct si_samplers samplers[SI_NUM_SHADERS];
   struct si_images images[SI_NUM_SHADERS];
   bool bo_list_add_all_resident_resources;
   bool bo_list_add_all_gfx_resources;
   bool bo_list_add_all_compute_resources;

   /* other shader resources */
   struct pipe_constant_buffer null_const_buf; /* used for set_constant_buffer(NULL) on GFX7 */
   struct pipe_resource *esgs_ring;
   struct pipe_resource *gsvs_ring;
   struct pipe_resource *tess_rings;
   union pipe_color_union *border_color_table; /* in CPU memory, any endian */
   struct si_resource *border_color_buffer;
   union pipe_color_union *border_color_map; /* in VRAM (slow access), little endian */
   unsigned border_color_count;
   unsigned num_vs_blit_sgprs;
   uint32_t vs_blit_sh_data[SI_VS_BLIT_SGPRS_POS_TEXCOORD];
   uint32_t cs_user_data[4];

   /* Vertex buffers. */
   bool vertex_buffers_dirty;
   bool vertex_buffer_pointer_dirty;
   bool vertex_buffer_user_sgprs_dirty;
   struct pipe_vertex_buffer vertex_buffer[SI_NUM_VERTEX_BUFFERS];
   uint16_t vertex_buffer_unaligned; /* bitmask of not dword-aligned buffers */
   uint32_t *vb_descriptors_gpu_list;
   struct si_resource *vb_descriptors_buffer;
   unsigned vb_descriptors_offset;
   unsigned vb_descriptor_user_sgprs[5 * 4];

   /* MSAA config state. */
   int ps_iter_samples;
   bool ps_uses_fbfetch;
   bool smoothing_enabled;

   /* DB render state. */
   unsigned ps_db_shader_control;
   unsigned dbcb_copy_sample;
   bool dbcb_depth_copy_enabled : 1;
   bool dbcb_stencil_copy_enabled : 1;
   bool db_flush_depth_inplace : 1;
   bool db_flush_stencil_inplace : 1;
   bool db_depth_clear : 1;
   bool db_depth_disable_expclear : 1;
   bool db_stencil_clear : 1;
   bool db_stencil_disable_expclear : 1;
   bool occlusion_queries_disabled : 1;
   bool generate_mipmap_for_depth : 1;

   /* Emitted draw state. */
   bool gs_tri_strip_adj_fix : 1;
   bool ls_vgpr_fix : 1;
   bool prim_discard_cs_instancing : 1;
   bool ngg : 1;
   uint8_t ngg_culling;
   int last_index_size;
   int last_base_vertex;
   int last_start_instance;
   int last_instance_count;
   int last_drawid;
   int last_sh_base_reg;
   int last_primitive_restart_en;
   int last_restart_index;
   int last_prim;
   int last_multi_vgt_param;
   int last_gs_out_prim;
   int last_binning_enabled;
   unsigned current_vs_state;
   unsigned last_vs_state;
   enum pipe_prim_type current_rast_prim; /* primitive type after TES, GS */

   struct si_small_prim_cull_info last_small_prim_cull_info;
   struct si_resource *small_prim_cull_info_buf;
   uint64_t small_prim_cull_info_address;
   bool small_prim_cull_info_dirty;

   /* Scratch buffer */
   struct si_resource *scratch_buffer;
   unsigned scratch_waves;
   unsigned spi_tmpring_size;
   unsigned max_seen_scratch_bytes_per_wave;
   unsigned max_seen_compute_scratch_bytes_per_wave;

   struct si_resource *compute_scratch_buffer;

   /* Emitted derived tessellation state. */
   /* Local shader (VS), or HS if LS-HS are merged. */
   struct si_shader *last_ls;
   struct si_shader_selector *last_tcs;
   int last_num_tcs_input_cp;
   int last_tes_sh_base;
   bool last_tess_uses_primid;
   unsigned last_num_patches;
   int last_ls_hs_config;

   /* Debug state. */
   bool is_debug;
   struct si_saved_cs *current_saved_cs;
   uint64_t dmesg_timestamp;
   unsigned apitrace_call_number;

   /* Other state */
   bool need_check_render_feedback;
   bool decompression_enabled;
   bool dpbb_force_off;
   bool vs_writes_viewport_index;
   bool vs_disables_clipping_viewport;

   /* Precomputed IA_MULTI_VGT_PARAM */
   union si_vgt_param_key ia_multi_vgt_param_key;
   unsigned ia_multi_vgt_param[SI_NUM_VGT_PARAM_STATES];

   /* Bindless descriptors. */
   struct si_descriptors bindless_descriptors;
   struct util_idalloc bindless_used_slots;
   unsigned num_bindless_descriptors;
   bool bindless_descriptors_dirty;
   bool graphics_bindless_pointer_dirty;
   bool compute_bindless_pointer_dirty;

   /* Allocated bindless handles */
   struct hash_table *tex_handles;
   struct hash_table *img_handles;

   /* Resident bindless handles */
   struct util_dynarray resident_tex_handles;
   struct util_dynarray resident_img_handles;

   /* Resident bindless handles which need decompression */
   struct util_dynarray resident_tex_needs_color_decompress;
   struct util_dynarray resident_img_needs_color_decompress;
   struct util_dynarray resident_tex_needs_depth_decompress;

   /* Bindless state */
   bool uses_bindless_samplers;
   bool uses_bindless_images;

   /* MSAA sample locations.
    * The first index is the sample index.
    * The second index is the coordinate: X, Y. */
   struct {
      float x1[1][2];
      float x2[2][2];
      float x4[4][2];
      float x8[8][2];
      float x16[16][2];
   } sample_positions;
   struct pipe_resource *sample_pos_buffer;

   /* Misc stats. */
   unsigned num_draw_calls;
   unsigned num_decompress_calls;
   unsigned num_mrt_draw_calls;
   unsigned num_prim_restart_calls;
   unsigned num_spill_draw_calls;
   unsigned num_compute_calls;
   unsigned num_spill_compute_calls;
   unsigned num_dma_calls;
   unsigned num_cp_dma_calls;
   unsigned num_vs_flushes;
   unsigned num_ps_flushes;
   unsigned num_cs_flushes;
   unsigned num_cb_cache_flushes;
   unsigned num_db_cache_flushes;
   unsigned num_L2_invalidates;
   unsigned num_L2_writebacks;
   unsigned num_resident_handles;
   uint64_t num_alloc_tex_transfer_bytes;
   unsigned last_tex_ps_draw_ratio; /* for query */
   unsigned compute_num_verts_accepted;
   unsigned compute_num_verts_rejected;
   unsigned compute_num_verts_ineligible; /* due to low vertex count */
   unsigned context_roll;

   /* Queries. */
   /* Maintain the list of active queries for pausing between IBs. */
   int num_occlusion_queries;
   int num_perfect_occlusion_queries;
   int num_pipeline_stat_queries;
   struct list_head active_queries;
   unsigned num_cs_dw_queries_suspend;

   /* Render condition. */
   struct pipe_query *render_cond;
   unsigned render_cond_mode;
   bool render_cond_invert;
   bool render_cond_force_off; /* for u_blitter */

   /* For uploading data via GTT and copy to VRAM on context flush via SDMA. */
   bool sdma_uploads_in_progress;
   struct si_sdma_upload *sdma_uploads;
   unsigned num_sdma_uploads;
   unsigned max_sdma_uploads;

   /* Shader-based queries. */
   struct list_head shader_query_buffers;
   unsigned num_active_shader_queries;

   /* Statistics gathering for the DCC enablement heuristic. It can't be
    * in si_texture because si_texture can be shared by multiple
    * contexts. This is for back buffers only. We shouldn't get too many
    * of those.
    *
    * X11 DRI3 rotates among a finite set of back buffers. They should
    * all fit in this array. If they don't, separate DCC might never be
    * enabled by DCC stat gathering.
    */
   struct {
      struct si_texture *tex;
      /* Query queue: 0 = usually active, 1 = waiting, 2 = readback. */
      struct pipe_query *ps_stats[3];
      /* If all slots are used and another slot is needed,
       * the least recently used slot is evicted based on this. */
      int64_t last_use_timestamp;
      bool query_active;
   } dcc_stats[5];

   /* Copy one resource to another using async DMA. */
   void (*dma_copy)(struct pipe_context *ctx, struct pipe_resource *dst, unsigned dst_level,
                    unsigned dst_x, unsigned dst_y, unsigned dst_z, struct pipe_resource *src,
                    unsigned src_level, const struct pipe_box *src_box);

   struct si_tracked_regs tracked_regs;
};

/* cik_sdma.c */
void cik_init_sdma_functions(struct si_context *sctx);

/* si_blit.c */
enum si_blitter_op /* bitmask */
{
   SI_SAVE_TEXTURES = 1,
   SI_SAVE_FRAMEBUFFER = 2,
   SI_SAVE_FRAGMENT_STATE = 4,
   SI_DISABLE_RENDER_COND = 8,
};

void si_blitter_begin(struct si_context *sctx, enum si_blitter_op op);
void si_blitter_end(struct si_context *sctx);
void si_init_blit_functions(struct si_context *sctx);
void si_decompress_textures(struct si_context *sctx, unsigned shader_mask);
void si_decompress_subresource(struct pipe_context *ctx, struct pipe_resource *tex, unsigned planes,
                               unsigned level, unsigned first_layer, unsigned last_layer);
void si_resource_copy_region(struct pipe_context *ctx, struct pipe_resource *dst,
                             unsigned dst_level, unsigned dstx, unsigned dsty, unsigned dstz,
                             struct pipe_resource *src, unsigned src_level,
                             const struct pipe_box *src_box);
void si_decompress_dcc(struct si_context *sctx, struct si_texture *tex);

/* si_buffer.c */
bool si_rings_is_buffer_referenced(struct si_context *sctx, struct pb_buffer *buf,
                                   enum radeon_bo_usage usage);
void *si_buffer_map_sync_with_rings(struct si_context *sctx, struct si_resource *resource,
                                    unsigned usage);
void si_init_resource_fields(struct si_screen *sscreen, struct si_resource *res, uint64_t size,
                             unsigned alignment);
bool si_alloc_resource(struct si_screen *sscreen, struct si_resource *res);
struct pipe_resource *pipe_aligned_buffer_create(struct pipe_screen *screen, unsigned flags,
                                                 unsigned usage, unsigned size, unsigned alignment);
struct si_resource *si_aligned_buffer_create(struct pipe_screen *screen, unsigned flags,
                                             unsigned usage, unsigned size, unsigned alignment);
void si_replace_buffer_storage(struct pipe_context *ctx, struct pipe_resource *dst,
                               struct pipe_resource *src);
void si_init_screen_buffer_functions(struct si_screen *sscreen);
void si_init_buffer_functions(struct si_context *sctx);

/* si_clear.c */
enum pipe_format si_simplify_cb_format(enum pipe_format format);
bool vi_alpha_is_on_msb(struct si_screen *sscreen, enum pipe_format format);
bool vi_dcc_clear_level(struct si_context *sctx, struct si_texture *tex, unsigned level,
                        unsigned clear_value);
void si_init_clear_functions(struct si_context *sctx);

/* si_compute_blit.c */
unsigned si_get_flush_flags(struct si_context *sctx, enum si_coherency coher,
                            enum si_cache_policy cache_policy);
void si_clear_buffer(struct si_context *sctx, struct pipe_resource *dst, uint64_t offset,
                     uint64_t size, uint32_t *clear_value, uint32_t clear_value_size,
                     enum si_coherency coher, bool force_cpdma);
void si_copy_buffer(struct si_context *sctx, struct pipe_resource *dst, struct pipe_resource *src,
                    uint64_t dst_offset, uint64_t src_offset, unsigned size);
void si_compute_copy_image(struct si_context *sctx, struct pipe_resource *dst, unsigned dst_level,
                           struct pipe_resource *src, unsigned src_level, unsigned dstx,
                           unsigned dsty, unsigned dstz, const struct pipe_box *src_box,
                           bool is_dcc_decompress);
void si_compute_clear_render_target(struct pipe_context *ctx, struct pipe_surface *dstsurf,
                                    const union pipe_color_union *color, unsigned dstx,
                                    unsigned dsty, unsigned width, unsigned height,
                                    bool render_condition_enabled);
void si_retile_dcc(struct si_context *sctx, struct si_texture *tex);
void si_compute_expand_fmask(struct pipe_context *ctx, struct pipe_resource *tex);
void si_init_compute_blit_functions(struct si_context *sctx);

/* si_cp_dma.c */
#define SI_CPDMA_SKIP_CHECK_CS_SPACE (1 << 0) /* don't call need_cs_space */
#define SI_CPDMA_SKIP_SYNC_AFTER     (1 << 1) /* don't wait for DMA after the copy */
#define SI_CPDMA_SKIP_SYNC_BEFORE    (1 << 2) /* don't wait for DMA before the copy (RAW hazards) */
#define SI_CPDMA_SKIP_GFX_SYNC       (1 << 3) /* don't flush caches and don't wait for PS/CS */
#define SI_CPDMA_SKIP_BO_LIST_UPDATE (1 << 4) /* don't update the BO list */
#define SI_CPDMA_SKIP_ALL                                                                          \
   (SI_CPDMA_SKIP_CHECK_CS_SPACE | SI_CPDMA_SKIP_SYNC_AFTER | SI_CPDMA_SKIP_SYNC_BEFORE |          \
    SI_CPDMA_SKIP_GFX_SYNC | SI_CPDMA_SKIP_BO_LIST_UPDATE)

void si_cp_dma_wait_for_idle(struct si_context *sctx);
void si_cp_dma_clear_buffer(struct si_context *sctx, struct radeon_cmdbuf *cs,
                            struct pipe_resource *dst, uint64_t offset, uint64_t size,
                            unsigned value, unsigned user_flags, enum si_coherency coher,
                            enum si_cache_policy cache_policy);
void si_cp_dma_copy_buffer(struct si_context *sctx, struct pipe_resource *dst,
                           struct pipe_resource *src, uint64_t dst_offset, uint64_t src_offset,
                           unsigned size, unsigned user_flags, enum si_coherency coher,
                           enum si_cache_policy cache_policy);
void cik_prefetch_TC_L2_async(struct si_context *sctx, struct pipe_resource *buf, uint64_t offset,
                              unsigned size);
void cik_emit_prefetch_L2(struct si_context *sctx, bool vertex_stage_only);
void si_test_gds(struct si_context *sctx);
void si_cp_write_data(struct si_context *sctx, struct si_resource *buf, unsigned offset,
                      unsigned size, unsigned dst_sel, unsigned engine, const void *data);
void si_cp_copy_data(struct si_context *sctx, struct radeon_cmdbuf *cs, unsigned dst_sel,
                     struct si_resource *dst, unsigned dst_offset, unsigned src_sel,
                     struct si_resource *src, unsigned src_offset);

/* si_debug.c */
void si_save_cs(struct radeon_winsys *ws, struct radeon_cmdbuf *cs, struct radeon_saved_cs *saved,
                bool get_buffer_list);
void si_clear_saved_cs(struct radeon_saved_cs *saved);
void si_destroy_saved_cs(struct si_saved_cs *scs);
void si_auto_log_cs(void *data, struct u_log_context *log);
void si_log_hw_flush(struct si_context *sctx);
void si_log_draw_state(struct si_context *sctx, struct u_log_context *log);
void si_log_compute_state(struct si_context *sctx, struct u_log_context *log);
void si_init_debug_functions(struct si_context *sctx);
void si_check_vm_faults(struct si_context *sctx, struct radeon_saved_cs *saved,
                        enum ring_type ring);
bool si_replace_shader(unsigned num, struct si_shader_binary *binary);

/* si_dma_cs.c */
void si_dma_emit_timestamp(struct si_context *sctx, struct si_resource *dst, uint64_t offset);
void si_sdma_clear_buffer(struct si_context *sctx, struct pipe_resource *dst, uint64_t offset,
                          uint64_t size, unsigned clear_value);
void si_sdma_copy_buffer(struct si_context *sctx, struct pipe_resource *dst,
                         struct pipe_resource *src, uint64_t dst_offset, uint64_t src_offset,
                         uint64_t size);
void si_need_dma_space(struct si_context *ctx, unsigned num_dw, struct si_resource *dst,
                       struct si_resource *src);
void si_flush_dma_cs(struct si_context *ctx, unsigned flags, struct pipe_fence_handle **fence);
void si_screen_clear_buffer(struct si_screen *sscreen, struct pipe_resource *dst, uint64_t offset,
                            uint64_t size, unsigned value);

/* si_fence.c */
void si_cp_release_mem(struct si_context *ctx, struct radeon_cmdbuf *cs, unsigned event,
                       unsigned event_flags, unsigned dst_sel, unsigned int_sel, unsigned data_sel,
                       struct si_resource *buf, uint64_t va, uint32_t new_fence,
                       unsigned query_type);
unsigned si_cp_write_fence_dwords(struct si_screen *screen);
void si_cp_wait_mem(struct si_context *ctx, struct radeon_cmdbuf *cs, uint64_t va, uint32_t ref,
                    uint32_t mask, unsigned flags);
void si_init_fence_functions(struct si_context *ctx);
void si_init_screen_fence_functions(struct si_screen *screen);
struct pipe_fence_handle *si_create_fence(struct pipe_context *ctx,
                                          struct tc_unflushed_batch_token *tc_token);

/* si_get.c */
void si_init_screen_get_functions(struct si_screen *sscreen);

/* si_gfx_cs.c */
void si_flush_gfx_cs(struct si_context *ctx, unsigned flags, struct pipe_fence_handle **fence);
void si_allocate_gds(struct si_context *ctx);
void si_begin_new_gfx_cs(struct si_context *ctx);
void si_need_gfx_cs_space(struct si_context *ctx);
void si_unref_sdma_uploads(struct si_context *sctx);

/* si_gpu_load.c */
void si_gpu_load_kill_thread(struct si_screen *sscreen);
uint64_t si_begin_counter(struct si_screen *sscreen, unsigned type);
unsigned si_end_counter(struct si_screen *sscreen, unsigned type, uint64_t begin);

/* si_compute.c */
void si_emit_initial_compute_regs(struct si_context *sctx, struct radeon_cmdbuf *cs);
void si_init_compute_functions(struct si_context *sctx);

/* si_compute_prim_discard.c */
enum si_prim_discard_outcome
{
   SI_PRIM_DISCARD_ENABLED,
   SI_PRIM_DISCARD_DISABLED,
   SI_PRIM_DISCARD_DRAW_SPLIT,
};

void si_build_prim_discard_compute_shader(struct si_shader_context *ctx);
enum si_prim_discard_outcome
si_prepare_prim_discard_or_split_draw(struct si_context *sctx, const struct pipe_draw_info *info,
                                      bool primitive_restart);
void si_compute_signal_gfx(struct si_context *sctx);
void si_dispatch_prim_discard_cs_and_draw(struct si_context *sctx,
                                          const struct pipe_draw_info *info, unsigned index_size,
                                          unsigned base_vertex, uint64_t input_indexbuf_va,
                                          unsigned input_indexbuf_max_elements);
void si_initialize_prim_discard_tunables(struct si_screen *sscreen, bool is_aux_context,
                                         unsigned *prim_discard_vertex_count_threshold,
                                         unsigned *index_ring_size_per_ib);

/* si_pipe.c */
void si_init_compiler(struct si_screen *sscreen, struct ac_llvm_compiler *compiler);

/* si_perfcounters.c */
void si_init_perfcounters(struct si_screen *screen);
void si_destroy_perfcounters(struct si_screen *screen);

/* si_query.c */
void si_init_screen_query_functions(struct si_screen *sscreen);
void si_init_query_functions(struct si_context *sctx);
void si_suspend_queries(struct si_context *sctx);
void si_resume_queries(struct si_context *sctx);

/* si_shaderlib_tgsi.c */
void *si_get_blitter_vs(struct si_context *sctx, enum blitter_attrib_type type,
                        unsigned num_layers);
void *si_create_fixed_func_tcs(struct si_context *sctx);
void *si_create_dma_compute_shader(struct pipe_context *ctx, unsigned num_dwords_per_thread,
                                   bool dst_stream_cache_policy, bool is_copy);
void *si_create_copy_image_compute_shader(struct pipe_context *ctx);
void *si_create_copy_image_compute_shader_1d_array(struct pipe_context *ctx);
void *si_create_dcc_decompress_cs(struct pipe_context *ctx);
void *si_clear_render_target_shader(struct pipe_context *ctx);
void *si_clear_render_target_shader_1d_array(struct pipe_context *ctx);
void *si_clear_12bytes_buffer_shader(struct pipe_context *ctx);
void *si_create_dcc_retile_cs(struct pipe_context *ctx);
void *si_create_fmask_expand_cs(struct pipe_context *ctx, unsigned num_samples, bool is_array);
void *si_create_query_result_cs(struct si_context *sctx);
void *gfx10_create_sh_query_result_cs(struct si_context *sctx);

/* gfx10_query.c */
void gfx10_init_query(struct si_context *sctx);
void gfx10_destroy_query(struct si_context *sctx);

/* si_test_dma.c */
void si_test_dma(struct si_screen *sscreen);

/* si_test_clearbuffer.c */
void si_test_dma_perf(struct si_screen *sscreen);

/* si_uvd.c */
struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
                                               const struct pipe_video_codec *templ);

struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
                                                 const struct pipe_video_buffer *tmpl);

/* si_viewport.c */
void si_update_ngg_small_prim_precision(struct si_context *ctx);
void si_get_small_prim_cull_info(struct si_context *sctx, struct si_small_prim_cull_info *out);
void si_update_vs_viewport_state(struct si_context *ctx);
void si_init_viewport_functions(struct si_context *ctx);

/* si_texture.c */
bool si_prepare_for_dma_blit(struct si_context *sctx, struct si_texture *dst, unsigned dst_level,
                             unsigned dstx, unsigned dsty, unsigned dstz, struct si_texture *src,
                             unsigned src_level, const struct pipe_box *src_box);
void si_eliminate_fast_color_clear(struct si_context *sctx, struct si_texture *tex,
                                   bool *ctx_flushed);
void si_texture_discard_cmask(struct si_screen *sscreen, struct si_texture *tex);
bool si_init_flushed_depth_texture(struct pipe_context *ctx, struct pipe_resource *texture);
void si_print_texture_info(struct si_screen *sscreen, struct si_texture *tex,
                           struct u_log_context *log);
struct pipe_resource *si_texture_create(struct pipe_screen *screen,
                                        const struct pipe_resource *templ);
bool vi_dcc_formats_compatible(struct si_screen *sscreen, enum pipe_format format1,
                               enum pipe_format format2);
bool vi_dcc_formats_are_incompatible(struct pipe_resource *tex, unsigned level,
                                     enum pipe_format view_format);
void vi_disable_dcc_if_incompatible_format(struct si_context *sctx, struct pipe_resource *tex,
                                           unsigned level, enum pipe_format view_format);
struct pipe_surface *si_create_surface_custom(struct pipe_context *pipe,
                                              struct pipe_resource *texture,
                                              const struct pipe_surface *templ, unsigned width0,
                                              unsigned height0, unsigned width, unsigned height);
unsigned si_translate_colorswap(enum pipe_format format, bool do_endian_swap);
void vi_separate_dcc_try_enable(struct si_context *sctx, struct si_texture *tex);
void vi_separate_dcc_start_query(struct si_context *sctx, struct si_texture *tex);
void vi_separate_dcc_stop_query(struct si_context *sctx, struct si_texture *tex);
void vi_separate_dcc_process_and_reset_stats(struct pipe_context *ctx, struct si_texture *tex);
bool si_texture_disable_dcc(struct si_context *sctx, struct si_texture *tex);
void si_init_screen_texture_functions(struct si_screen *sscreen);
void si_init_context_texture_functions(struct si_context *sctx);

/*
 * common helpers
 */

static inline struct si_resource *si_resource(struct pipe_resource *r)
{
   return (struct si_resource *)r;
}

static inline void si_resource_reference(struct si_resource **ptr, struct si_resource *res)
{
   pipe_resource_reference((struct pipe_resource **)ptr, (struct pipe_resource *)res);
}

static inline void si_texture_reference(struct si_texture **ptr, struct si_texture *res)
{
   pipe_resource_reference((struct pipe_resource **)ptr, &res->buffer.b.b);
}

static inline void
si_shader_selector_reference(struct si_context *sctx, /* sctx can optionally be NULL */
                             struct si_shader_selector **dst, struct si_shader_selector *src)
{
   if (*dst == src)
      return;

   struct si_screen *sscreen = src ? src->screen : (*dst)->screen;
   util_shader_reference(&sctx->b, &sscreen->live_shader_cache, (void **)dst, src);
}

static inline bool vi_dcc_enabled(struct si_texture *tex, unsigned level)
{
   return tex->surface.dcc_offset && level < tex->surface.num_dcc_levels;
}

static inline unsigned si_tile_mode_index(struct si_texture *tex, unsigned level, bool stencil)
{
   if (stencil)
      return tex->surface.u.legacy.stencil_tiling_index[level];
   else
      return tex->surface.u.legacy.tiling_index[level];
}

static inline unsigned si_get_minimum_num_gfx_cs_dwords(struct si_context *sctx)
{
   /* Don't count the needed CS space exactly and just use an upper bound.
    *
    * Also reserve space for stopping queries at the end of IB, because
    * the number of active queries is unlimited in theory.
    */
   return 2048 + sctx->num_cs_dw_queries_suspend;
}

static inline void si_context_add_resource_size(struct si_context *sctx, struct pipe_resource *r)
{
   if (r) {
      /* Add memory usage for need_gfx_cs_space */
      sctx->vram += si_resource(r)->vram_usage;
      sctx->gtt += si_resource(r)->gart_usage;
   }
}

static inline void si_invalidate_draw_sh_constants(struct si_context *sctx)
{
   sctx->last_base_vertex = SI_BASE_VERTEX_UNKNOWN;
   sctx->last_instance_count = SI_INSTANCE_COUNT_UNKNOWN;
}

static inline unsigned si_get_atom_bit(struct si_context *sctx, struct si_atom *atom)
{
   return 1 << (atom - sctx->atoms.array);
}

static inline void si_set_atom_dirty(struct si_context *sctx, struct si_atom *atom, bool dirty)
{
   unsigned bit = si_get_atom_bit(sctx, atom);

   if (dirty)
      sctx->dirty_atoms |= bit;
   else
      sctx->dirty_atoms &= ~bit;
}

static inline bool si_is_atom_dirty(struct si_context *sctx, struct si_atom *atom)
{
   return (sctx->dirty_atoms & si_get_atom_bit(sctx, atom)) != 0;
}

static inline void si_mark_atom_dirty(struct si_context *sctx, struct si_atom *atom)
{
   si_set_atom_dirty(sctx, atom, true);
}

static inline struct si_shader_ctx_state *si_get_vs(struct si_context *sctx)
{
   if (sctx->gs_shader.cso)
      return &sctx->gs_shader;
   if (sctx->tes_shader.cso)
      return &sctx->tes_shader;

   return &sctx->vs_shader;
}

static inline struct si_shader_info *si_get_vs_info(struct si_context *sctx)
{
   struct si_shader_ctx_state *vs = si_get_vs(sctx);

   return vs->cso ? &vs->cso->info : NULL;
}

static inline struct si_shader *si_get_vs_state(struct si_context *sctx)
{
   if (sctx->gs_shader.cso && sctx->gs_shader.current && !sctx->gs_shader.current->key.as_ngg)
      return sctx->gs_shader.cso->gs_copy_shader;

   struct si_shader_ctx_state *vs = si_get_vs(sctx);
   return vs->current ? vs->current : NULL;
}

static inline bool si_can_dump_shader(struct si_screen *sscreen, unsigned processor)
{
   return sscreen->debug_flags & (1 << processor);
}

static inline bool si_get_strmout_en(struct si_context *sctx)
{
   return sctx->streamout.streamout_enabled || sctx->streamout.prims_gen_query_enabled;
}

static inline unsigned si_optimal_tcc_alignment(struct si_context *sctx, unsigned upload_size)
{
   unsigned alignment, tcc_cache_line_size;

   /* If the upload size is less than the cache line size (e.g. 16, 32),
    * the whole thing will fit into a cache line if we align it to its size.
    * The idea is that multiple small uploads can share a cache line.
    * If the upload size is greater, align it to the cache line size.
    */
   alignment = util_next_power_of_two(upload_size);
   tcc_cache_line_size = sctx->screen->info.tcc_cache_line_size;
   return MIN2(alignment, tcc_cache_line_size);
}

static inline void si_saved_cs_reference(struct si_saved_cs **dst, struct si_saved_cs *src)
{
   if (pipe_reference(&(*dst)->reference, &src->reference))
      si_destroy_saved_cs(*dst);

   *dst = src;
}

static inline void si_make_CB_shader_coherent(struct si_context *sctx, unsigned num_samples,
                                              bool shaders_read_metadata, bool dcc_pipe_aligned)
{
   sctx->flags |= SI_CONTEXT_FLUSH_AND_INV_CB | SI_CONTEXT_INV_VCACHE;

   if (sctx->chip_class >= GFX10) {
      if (sctx->screen->info.tcc_harvested)
         sctx->flags |= SI_CONTEXT_INV_L2;
      else if (shaders_read_metadata)
         sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
   } else if (sctx->chip_class == GFX9) {
      /* Single-sample color is coherent with shaders on GFX9, but
       * L2 metadata must be flushed if shaders read metadata.
       * (DCC, CMASK).
       */
      if (num_samples >= 2 || (shaders_read_metadata && !dcc_pipe_aligned))
         sctx->flags |= SI_CONTEXT_INV_L2;
      else if (shaders_read_metadata)
         sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
   } else {
      /* GFX6-GFX8 */
      sctx->flags |= SI_CONTEXT_INV_L2;
   }
}

static inline void si_make_DB_shader_coherent(struct si_context *sctx, unsigned num_samples,
                                              bool include_stencil, bool shaders_read_metadata)
{
   sctx->flags |= SI_CONTEXT_FLUSH_AND_INV_DB | SI_CONTEXT_INV_VCACHE;

   if (sctx->chip_class >= GFX10) {
      if (sctx->screen->info.tcc_harvested)
         sctx->flags |= SI_CONTEXT_INV_L2;
      else if (shaders_read_metadata)
         sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
   } else if (sctx->chip_class == GFX9) {
      /* Single-sample depth (not stencil) is coherent with shaders
       * on GFX9, but L2 metadata must be flushed if shaders read
       * metadata.
       */
      if (num_samples >= 2 || include_stencil)
         sctx->flags |= SI_CONTEXT_INV_L2;
      else if (shaders_read_metadata)
         sctx->flags |= SI_CONTEXT_INV_L2_METADATA;
   } else {
      /* GFX6-GFX8 */
      sctx->flags |= SI_CONTEXT_INV_L2;
   }
}

static inline bool si_can_sample_zs(struct si_texture *tex, bool stencil_sampler)
{
   return (stencil_sampler && tex->can_sample_s) || (!stencil_sampler && tex->can_sample_z);
}

static inline bool si_htile_enabled(struct si_texture *tex, unsigned level, unsigned zs_mask)
{
   if (zs_mask == PIPE_MASK_S && tex->htile_stencil_disabled)
      return false;

   return tex->surface.htile_offset && level == 0;
}

static inline bool vi_tc_compat_htile_enabled(struct si_texture *tex, unsigned level,
                                              unsigned zs_mask)
{
   assert(!tex->tc_compatible_htile || tex->surface.htile_offset);
   return tex->tc_compatible_htile && si_htile_enabled(tex, level, zs_mask);
}

static inline unsigned si_get_ps_iter_samples(struct si_context *sctx)
{
   if (sctx->ps_uses_fbfetch)
      return sctx->framebuffer.nr_color_samples;

   return MIN2(sctx->ps_iter_samples, sctx->framebuffer.nr_color_samples);
}

static inline unsigned si_get_total_colormask(struct si_context *sctx)
{
   if (sctx->queued.named.rasterizer->rasterizer_discard)
      return 0;

   struct si_shader_selector *ps = sctx->ps_shader.cso;
   if (!ps)
      return 0;

   unsigned colormask =
      sctx->framebuffer.colorbuf_enabled_4bit & sctx->queued.named.blend->cb_target_mask;

   if (!ps->info.properties[TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS])
      colormask &= ps->colors_written_4bit;
   else if (!ps->colors_written_4bit)
      colormask = 0; /* color0 writes all cbufs, but it's not written */

   return colormask;
}

#define UTIL_ALL_PRIM_LINE_MODES                                                                   \
   ((1 << PIPE_PRIM_LINES) | (1 << PIPE_PRIM_LINE_LOOP) | (1 << PIPE_PRIM_LINE_STRIP) |            \
    (1 << PIPE_PRIM_LINES_ADJACENCY) | (1 << PIPE_PRIM_LINE_STRIP_ADJACENCY))

static inline bool util_prim_is_lines(unsigned prim)
{
   return ((1 << prim) & UTIL_ALL_PRIM_LINE_MODES) != 0;
}

static inline bool util_prim_is_points_or_lines(unsigned prim)
{
   return ((1 << prim) & (UTIL_ALL_PRIM_LINE_MODES | (1 << PIPE_PRIM_POINTS))) != 0;
}

static inline bool util_rast_prim_is_triangles(unsigned prim)
{
   return ((1 << prim) &
           ((1 << PIPE_PRIM_TRIANGLES) | (1 << PIPE_PRIM_TRIANGLE_STRIP) |
            (1 << PIPE_PRIM_TRIANGLE_FAN) | (1 << PIPE_PRIM_QUADS) | (1 << PIPE_PRIM_QUAD_STRIP) |
            (1 << PIPE_PRIM_POLYGON) | (1 << PIPE_PRIM_TRIANGLES_ADJACENCY) |
            (1 << PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY)));
}

/**
 * Return true if there is enough memory in VRAM and GTT for the buffers
 * added so far.
 *
 * \param vram      VRAM memory size not added to the buffer list yet
 * \param gtt       GTT memory size not added to the buffer list yet
 */
static inline bool radeon_cs_memory_below_limit(struct si_screen *screen, struct radeon_cmdbuf *cs,
                                                uint64_t vram, uint64_t gtt)
{
   vram += cs->used_vram;
   gtt += cs->used_gart;

   /* Anything that goes above the VRAM size should go to GTT. */
   if (vram > screen->info.vram_size)
      gtt += vram - screen->info.vram_size;

   /* Now we just need to check if we have enough GTT. */
   return gtt < screen->info.gart_size * 0.7;
}

/**
 * Add a buffer to the buffer list for the given command stream (CS).
 *
 * All buffers used by a CS must be added to the list. This tells the kernel
 * driver which buffers are used by GPU commands. Other buffers can
 * be swapped out (not accessible) during execution.
 *
 * The buffer list becomes empty after every context flush and must be
 * rebuilt.
 */
static inline void 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)
{
   assert(usage);
   sctx->ws->cs_add_buffer(cs, bo->buf, (enum radeon_bo_usage)(usage | RADEON_USAGE_SYNCHRONIZED),
                           bo->domains, priority);
}

/**
 * Same as above, but also checks memory usage and flushes the context
 * accordingly.
 *
 * When this SHOULD NOT be used:
 *
 * - if si_context_add_resource_size has been called for the buffer
 *   followed by *_need_cs_space for checking the memory usage
 *
 * - if si_need_dma_space has been called for the buffer
 *
 * - when emitting state packets and draw packets (because preceding packets
 *   can't be re-emitted at that point)
 *
 * - if shader resource "enabled_mask" is not up-to-date or there is
 *   a different constraint disallowing a context flush
 */
static inline void 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)
{
   if (check_mem &&
       !radeon_cs_memory_below_limit(sctx->screen, sctx->gfx_cs, sctx->vram + bo->vram_usage,
                                     sctx->gtt + bo->gart_usage))
      si_flush_gfx_cs(sctx, RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL);

   radeon_add_to_buffer_list(sctx, sctx->gfx_cs, bo, usage, priority);
}

static inline bool si_compute_prim_discard_enabled(struct si_context *sctx)
{
   return sctx->prim_discard_vertex_count_threshold != UINT_MAX;
}

static inline unsigned si_get_wave_size(struct si_screen *sscreen,
                                        enum pipe_shader_type shader_type, bool ngg, bool es,
                                        bool prim_discard_cs)
{
   if (shader_type == PIPE_SHADER_COMPUTE)
      return sscreen->compute_wave_size;
   else if (shader_type == PIPE_SHADER_FRAGMENT)
      return sscreen->ps_wave_size;
   else if ((shader_type == PIPE_SHADER_VERTEX && prim_discard_cs) || /* only Wave64 implemented */
            (shader_type == PIPE_SHADER_VERTEX && es && !ngg) ||
            (shader_type == PIPE_SHADER_TESS_EVAL && es && !ngg) ||
            (shader_type == PIPE_SHADER_GEOMETRY && !ngg)) /* legacy GS only supports Wave64 */
      return 64;
   else
      return sscreen->ge_wave_size;
}

static inline unsigned si_get_shader_wave_size(struct si_shader *shader)
{
   return si_get_wave_size(shader->selector->screen, shader->selector->type, shader->key.as_ngg,
                           shader->key.as_es, shader->key.opt.vs_as_prim_discard_cs);
}

#define PRINT_ERR(fmt, args...)                                                                    \
   fprintf(stderr, "EE %s:%d %s - " fmt, __FILE__, __LINE__, __func__, ##args)

#endif