src/gallium/drivers/v3d/v3d_context.h

   1 /*
   2  * Copyright © 2014-2017 Broadcom
   3  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22  * IN THE SOFTWARE.
  23  */
  24
  25 #ifndef VC5_CONTEXT_H
  26 #define VC5_CONTEXT_H
  27
  28 #ifdef V3D_VERSION
  29 #include "broadcom/common/v3d_macros.h"
  30 #endif
  31
  32 #include <stdio.h>
  33
  34 #include "pipe/p_context.h"
  35 #include "pipe/p_state.h"
  36 #include "util/bitset.h"
  37 #include "util/slab.h"
  38 #include "xf86drm.h"
  39 #include "drm-uapi/v3d_drm.h"
  40 #include "v3d_screen.h"
  41 #include "broadcom/common/v3d_limits.h"
  42
  43 struct v3d_job;
  44 struct v3d_bo;
  45 void v3d_job_add_bo(struct v3d_job *job, struct v3d_bo *bo);
  46
  47 #include "v3d_bufmgr.h"
  48 #include "v3d_resource.h"
  49 #include "v3d_cl.h"
  50
  51 #ifdef USE_V3D_SIMULATOR
  52 #define using_v3d_simulator true
  53 #else
  54 #define using_v3d_simulator false
  55 #endif
  56
  57 #define VC5_DIRTY_BLEND               (1ull <<  0)
  58 #define VC5_DIRTY_RASTERIZER          (1ull <<  1)
  59 #define VC5_DIRTY_ZSA                 (1ull <<  2)
  60 #define VC5_DIRTY_COMPTEX             (1ull <<  3)
  61 #define VC5_DIRTY_VERTTEX             (1ull <<  4)
  62 #define VC5_DIRTY_GEOMTEX             (1ull <<  5)
  63 #define VC5_DIRTY_FRAGTEX             (1ull <<  6)
  64
  65 #define VC5_DIRTY_SHADER_IMAGE        (1ull <<  9)
  66 #define VC5_DIRTY_BLEND_COLOR         (1ull << 10)
  67 #define VC5_DIRTY_STENCIL_REF         (1ull << 11)
  68 #define VC5_DIRTY_SAMPLE_STATE        (1ull << 12)
  69 #define VC5_DIRTY_FRAMEBUFFER         (1ull << 13)
  70 #define VC5_DIRTY_STIPPLE             (1ull << 14)
  71 #define VC5_DIRTY_VIEWPORT            (1ull << 15)
  72 #define VC5_DIRTY_CONSTBUF            (1ull << 16)
  73 #define VC5_DIRTY_VTXSTATE            (1ull << 17)
  74 #define VC5_DIRTY_VTXBUF              (1ull << 18)
  75 #define VC5_DIRTY_SCISSOR             (1ull << 19)
  76 #define VC5_DIRTY_FLAT_SHADE_FLAGS    (1ull << 20)
  77 #define VC5_DIRTY_PRIM_MODE           (1ull << 21)
  78 #define VC5_DIRTY_CLIP                (1ull << 22)
  79 #define VC5_DIRTY_UNCOMPILED_CS       (1ull << 23)
  80 #define VC5_DIRTY_UNCOMPILED_VS       (1ull << 24)
  81 #define VC5_DIRTY_UNCOMPILED_GS       (1ull << 25)
  82 #define VC5_DIRTY_UNCOMPILED_FS       (1ull << 26)
  83
  84 #define VC5_DIRTY_COMPILED_CS         (1ull << 29)
  85 #define VC5_DIRTY_COMPILED_VS         (1ull << 30)
  86 #define VC5_DIRTY_COMPILED_GS_BIN     (1ULL << 31)
  87 #define VC5_DIRTY_COMPILED_GS         (1ULL << 32)
  88 #define VC5_DIRTY_COMPILED_FS         (1ull << 33)
  89
  90 #define VC5_DIRTY_FS_INPUTS           (1ull << 38)
  91 #define VC5_DIRTY_GS_INPUTS           (1ull << 39)
  92 #define VC5_DIRTY_STREAMOUT           (1ull << 40)
  93 #define VC5_DIRTY_OQ                  (1ull << 41)
  94 #define VC5_DIRTY_CENTROID_FLAGS      (1ull << 42)
  95 #define VC5_DIRTY_NOPERSPECTIVE_FLAGS (1ull << 43)
  96 #define VC5_DIRTY_SSBO                (1ull << 44)
  97
  98 #define VC5_MAX_FS_INPUTS 64
  99
 100 enum v3d_sampler_state_variant {
 101         V3D_SAMPLER_STATE_BORDER_0,
 102         V3D_SAMPLER_STATE_F16,
 103         V3D_SAMPLER_STATE_F16_UNORM,
 104         V3D_SAMPLER_STATE_F16_SNORM,
 105         V3D_SAMPLER_STATE_F16_BGRA,
 106         V3D_SAMPLER_STATE_F16_BGRA_UNORM,
 107         V3D_SAMPLER_STATE_F16_BGRA_SNORM,
 108         V3D_SAMPLER_STATE_F16_A,
 109         V3D_SAMPLER_STATE_F16_A_SNORM,
 110         V3D_SAMPLER_STATE_F16_A_UNORM,
 111         V3D_SAMPLER_STATE_F16_LA,
 112         V3D_SAMPLER_STATE_F16_LA_UNORM,
 113         V3D_SAMPLER_STATE_F16_LA_SNORM,
 114         V3D_SAMPLER_STATE_32,
 115         V3D_SAMPLER_STATE_32_UNORM,
 116         V3D_SAMPLER_STATE_32_SNORM,
 117         V3D_SAMPLER_STATE_32_A,
 118         V3D_SAMPLER_STATE_32_A_UNORM,
 119         V3D_SAMPLER_STATE_32_A_SNORM,
 120         V3D_SAMPLER_STATE_1010102U,
 121         V3D_SAMPLER_STATE_16U,
 122         V3D_SAMPLER_STATE_16I,
 123         V3D_SAMPLER_STATE_8I,
 124         V3D_SAMPLER_STATE_8U,
 125
 126         V3D_SAMPLER_STATE_VARIANT_COUNT,
 127 };
 128
 129 enum v3d_flush_cond {
 130         /* Flush job unless we are flushing for transform feedback, where we
 131          * handle flushing in the driver via the 'Wait for TF' packet.
 132          */
 133         V3D_FLUSH_DEFAULT,
 134         /* Always flush the job, even for cases where we would normally not
 135          * do it, such as transform feedback.
 136          */
 137         V3D_FLUSH_ALWAYS,
 138         /* Flush job if it is not the current FBO job. This is intended to
 139          * skip automatic flushes of the current job for resources that we
 140          * expect to be externally synchronized by the application using
 141          * glMemoryBarrier(), such as SSBOs and shader images.
 142          */
 143         V3D_FLUSH_NOT_CURRENT_JOB,
 144 };
 145
 146 struct v3d_sampler_view {
 147         struct pipe_sampler_view base;
 148         uint32_t p0;
 149         uint32_t p1;
 150         /* Precomputed swizzles to pass in to the shader key. */
 151         uint8_t swizzle[4];
 152
 153         uint8_t texture_shader_state[32];
 154         /* V3D 4.x: Texture state struct. */
 155         struct v3d_bo *bo;
 156
 157         enum v3d_sampler_state_variant sampler_variant;
 158
 159         /* Actual texture to be read by this sampler view.  May be different
 160          * from base.texture in the case of having a shadow tiled copy of a
 161          * raster texture.
 162          */
 163         struct pipe_resource *texture;
 164 };
 165
 166 struct v3d_sampler_state {
 167         struct pipe_sampler_state base;
 168         uint32_t p0;
 169         uint32_t p1;
 170
 171         /* V3D 3.x: Packed texture state. */
 172         uint8_t texture_shader_state[32];
 173         /* V3D 4.x: Sampler state struct. */
 174         struct pipe_resource *sampler_state;
 175         uint32_t sampler_state_offset[V3D_SAMPLER_STATE_VARIANT_COUNT];
 176
 177         bool border_color_variants;
 178 };
 179
 180 struct v3d_texture_stateobj {
 181         struct pipe_sampler_view *textures[V3D_MAX_TEXTURE_SAMPLERS];
 182         unsigned num_textures;
 183         struct pipe_sampler_state *samplers[V3D_MAX_TEXTURE_SAMPLERS];
 184         unsigned num_samplers;
 185         struct v3d_cl_reloc texture_state[V3D_MAX_TEXTURE_SAMPLERS];
 186 };
 187
 188 struct v3d_shader_uniform_info {
 189         enum quniform_contents *contents;
 190         uint32_t *data;
 191         uint32_t count;
 192 };
 193
 194 struct v3d_uncompiled_shader {
 195         /** A name for this program, so you can track it in shader-db output. */
 196         uint32_t program_id;
 197         /** How many variants of this program were compiled, for shader-db. */
 198         uint32_t compiled_variant_count;
 199         struct pipe_shader_state base;
 200         uint32_t num_tf_outputs;
 201         struct v3d_varying_slot *tf_outputs;
 202         uint16_t tf_specs[16];
 203         uint16_t tf_specs_psiz[16];
 204         uint32_t num_tf_specs;
 205 };
 206
 207 struct v3d_compiled_shader {
 208         struct pipe_resource *resource;
 209         uint32_t offset;
 210
 211         union {
 212                 struct v3d_prog_data *base;
 213                 struct v3d_vs_prog_data *vs;
 214                 struct v3d_gs_prog_data *gs;
 215                 struct v3d_fs_prog_data *fs;
 216                 struct v3d_compute_prog_data *compute;
 217         } prog_data;
 218
 219         /**
 220          * VC5_DIRTY_* flags that, when set in v3d->dirty, mean that the
 221          * uniforms have to be rewritten (and therefore the shader state
 222          * reemitted).
 223          */
 224         uint64_t uniform_dirty_bits;
 225 };
 226
 227 struct v3d_program_stateobj {
 228         struct v3d_uncompiled_shader *bind_vs, *bind_gs, *bind_fs, *bind_compute;
 229         struct v3d_compiled_shader *cs, *vs, *gs_bin, *gs, *fs, *compute;
 230
 231         struct hash_table *cache[MESA_SHADER_STAGES];
 232
 233         struct v3d_bo *spill_bo;
 234         int spill_size_per_thread;
 235 };
 236
 237 struct v3d_constbuf_stateobj {
 238         struct pipe_constant_buffer cb[PIPE_MAX_CONSTANT_BUFFERS];
 239         uint32_t enabled_mask;
 240         uint32_t dirty_mask;
 241 };
 242
 243 struct v3d_vertexbuf_stateobj {
 244         struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
 245         unsigned count;
 246         uint32_t enabled_mask;
 247         uint32_t dirty_mask;
 248 };
 249
 250 struct v3d_vertex_stateobj {
 251         struct pipe_vertex_element pipe[V3D_MAX_VS_INPUTS / 4];
 252         unsigned num_elements;
 253
 254         uint8_t attrs[16 * (V3D_MAX_VS_INPUTS / 4)];
 255         struct pipe_resource *defaults;
 256         uint32_t defaults_offset;
 257 };
 258
 259 struct v3d_stream_output_target {
 260         struct pipe_stream_output_target base;
 261         /* Number of transform feedback vertices written to this target */
 262         uint32_t recorded_vertex_count;
 263 };
 264
 265 struct v3d_streamout_stateobj {
 266         struct pipe_stream_output_target *targets[PIPE_MAX_SO_BUFFERS];
 267         /* Number of vertices we've written into the buffer so far. */
 268         uint32_t offsets[PIPE_MAX_SO_BUFFERS];
 269         unsigned num_targets;
 270 };
 271
 272 struct v3d_ssbo_stateobj {
 273         struct pipe_shader_buffer sb[PIPE_MAX_SHADER_BUFFERS];
 274         uint32_t enabled_mask;
 275 };
 276
 277 /* Hash table key for v3d->jobs */
 278 struct v3d_job_key {
 279         struct pipe_surface *cbufs[4];
 280         struct pipe_surface *zsbuf;
 281 };
 282
 283 enum v3d_ez_state {
 284         VC5_EZ_UNDECIDED = 0,
 285         VC5_EZ_GT_GE,
 286         VC5_EZ_LT_LE,
 287         VC5_EZ_DISABLED,
 288 };
 289
 290 struct v3d_image_view {
 291         struct pipe_image_view base;
 292         /* V3D 4.x texture shader state struct */
 293         struct pipe_resource *tex_state;
 294         uint32_t tex_state_offset;
 295 };
 296
 297 struct v3d_shaderimg_stateobj {
 298         struct v3d_image_view si[PIPE_MAX_SHADER_IMAGES];
 299         uint32_t enabled_mask;
 300 };
 301
 302 /**
 303  * A complete bin/render job.
 304  *
 305  * This is all of the state necessary to submit a bin/render to the kernel.
 306  * We want to be able to have multiple in progress at a time, so that we don't
 307  * need to flush an existing CL just to switch to rendering to a new render
 308  * target (which would mean reading back from the old render target when
 309  * starting to render to it again).
 310  */
 311 struct v3d_job {
 312         struct v3d_context *v3d;
 313         struct v3d_cl bcl;
 314         struct v3d_cl rcl;
 315         struct v3d_cl indirect;
 316         struct v3d_bo *tile_alloc;
 317         struct v3d_bo *tile_state;
 318
 319         struct drm_v3d_submit_cl submit;
 320
 321         /**
 322          * Set of all BOs referenced by the job.  This will be used for making
 323          * the list of BOs that the kernel will need to have paged in to
 324          * execute our job.
 325          */
 326         struct set *bos;
 327
 328         /** Sum of the sizes of the BOs referenced by the job. */
 329         uint32_t referenced_size;
 330
 331         struct set *write_prscs;
 332         struct set *tf_write_prscs;
 333
 334         /* Size of the submit.bo_handles array. */
 335         uint32_t bo_handles_size;
 336
 337         /** @{ Surfaces to submit rendering for. */
 338         struct pipe_surface *cbufs[4];
 339         struct pipe_surface *zsbuf;
 340         /** @} */
 341         /** @{
 342          * Bounding box of the scissor across all queued drawing.
 343          *
 344          * Note that the max values are exclusive.
 345          */
 346         uint32_t draw_min_x;
 347         uint32_t draw_min_y;
 348         uint32_t draw_max_x;
 349         uint32_t draw_max_y;
 350         /** @} */
 351         /** @{
 352          * Width/height of the color framebuffer being rendered to,
 353          * for VC5_TILE_RENDERING_MODE_CONFIG.
 354         */
 355         uint32_t draw_width;
 356         uint32_t draw_height;
 357         /** @} */
 358         /** @{ Tile information, depending on MSAA and float color buffer. */
 359         uint32_t draw_tiles_x; /** @< Number of tiles wide for framebuffer. */
 360         uint32_t draw_tiles_y; /** @< Number of tiles high for framebuffer. */
 361
 362         uint32_t tile_width; /** @< Width of a tile. */
 363         uint32_t tile_height; /** @< Height of a tile. */
 364         /** maximum internal_bpp of all color render targets. */
 365         uint32_t internal_bpp;
 366
 367         /** Whether the current rendering is in a 4X MSAA tile buffer. */
 368         bool msaa;
 369         /** @} */
 370
 371         /* Bitmask of PIPE_CLEAR_* of buffers that were cleared before the
 372          * first rendering.
 373          */
 374         uint32_t clear;
 375         /* Bitmask of PIPE_CLEAR_* of buffers that have been read by a draw
 376          * call without having been cleared first.
 377          */
 378         uint32_t load;
 379         /* Bitmask of PIPE_CLEAR_* of buffers that have been rendered to
 380          * (either clears or draws) and should be stored.
 381          */
 382         uint32_t store;
 383         uint32_t clear_color[4][4];
 384         float clear_z;
 385         uint8_t clear_s;
 386
 387         /**
 388          * Set if some drawing (triangles, blits, or just a glClear()) has
 389          * been done to the FBO, meaning that we need to
 390          * DRM_IOCTL_VC5_SUBMIT_CL.
 391          */
 392         bool needs_flush;
 393
 394         /* Set if any shader has dirtied cachelines in the TMU that need to be
 395          * flushed before job end.
 396          */
 397         bool tmu_dirty_rcl;
 398
 399         /**
 400          * Set if a packet enabling TF has been emitted in the job (V3D 4.x).
 401          */
 402         bool tf_enabled;
 403
 404         /**
 405          * Current EZ state for drawing. Updated at the start of draw after
 406          * we've decided on the shader being rendered.
 407          */
 408         enum v3d_ez_state ez_state;
 409         /**
 410          * The first EZ state that was used for drawing with a decided EZ
 411          * direction (so either UNDECIDED, GT, or LT).
 412          */
 413         enum v3d_ez_state first_ez_state;
 414
 415         /**
 416          * Number of draw calls (not counting full buffer clears) queued in
 417          * the current job.
 418          */
 419         uint32_t draw_calls_queued;
 420
 421         /**
 422          * Number of draw calls (not counting full buffer clears) queued in
 423          * the current job during active transform feedback.
 424          */
 425         uint32_t tf_draw_calls_queued;
 426
 427         struct v3d_job_key key;
 428 };
 429
 430 struct v3d_context {
 431         struct pipe_context base;
 432
 433         int fd;
 434         struct v3d_screen *screen;
 435
 436         /** The 3D rendering job for the currently bound FBO. */
 437         struct v3d_job *job;
 438
 439         /* Map from struct v3d_job_key to the job for that FBO.
 440          */
 441         struct hash_table *jobs;
 442
 443         /**
 444          * Map from v3d_resource to a job writing to that resource.
 445          *
 446          * Primarily for flushing jobs rendering to textures that are now
 447          * being read from.
 448          */
 449         struct hash_table *write_jobs;
 450
 451         struct slab_child_pool transfer_pool;
 452         struct blitter_context *blitter;
 453
 454         /** bitfield of VC5_DIRTY_* */
 455         uint64_t dirty;
 456
 457         struct primconvert_context *primconvert;
 458
 459         uint32_t next_uncompiled_program_id;
 460         uint64_t next_compiled_program_id;
 461
 462         struct v3d_compiler_state *compiler_state;
 463
 464         uint8_t prim_mode;
 465
 466         /** Maximum index buffer valid for the current shader_rec. */
 467         uint32_t max_index;
 468
 469         /** Sync object that our RCL or TFU job will update as its out_sync. */
 470         uint32_t out_sync;
 471
 472         /* Stream uploader used by gallium internals.  This could also be used
 473          * by driver internals, but we tend to use the v3d_cl.h interfaces
 474          * instead.
 475          */
 476         struct u_upload_mgr *uploader;
 477         /* State uploader used inside the driver.  This is for packing bits of
 478          * long-term state inside buffers, since the kernel interfaces
 479          * allocate a page at a time.
 480          */
 481         struct u_upload_mgr *state_uploader;
 482
 483         /** @{ Current pipeline state objects */
 484         struct pipe_scissor_state scissor;
 485         struct v3d_blend_state *blend;
 486         struct v3d_rasterizer_state *rasterizer;
 487         struct v3d_depth_stencil_alpha_state *zsa;
 488
 489         struct v3d_program_stateobj prog;
 490         uint32_t compute_num_workgroups[3];
 491         struct v3d_bo *compute_shared_memory;
 492
 493         struct v3d_vertex_stateobj *vtx;
 494
 495         struct {
 496                 struct pipe_blend_color f;
 497                 uint16_t hf[4];
 498         } blend_color;
 499         struct pipe_stencil_ref stencil_ref;
 500         unsigned sample_mask;
 501         struct pipe_framebuffer_state framebuffer;
 502
 503         /* Per render target, whether we should swap the R and B fields in the
 504          * shader's color output and in blending.  If render targets disagree
 505          * on the R/B swap and use the constant color, then we would need to
 506          * fall back to in-shader blending.
 507          */
 508         uint8_t swap_color_rb;
 509
 510         /* Per render target, whether we should treat the dst alpha values as
 511          * one in blending.
 512          *
 513          * For RGBX formats, the tile buffer's alpha channel will be
 514          * undefined.
 515          */
 516         uint8_t blend_dst_alpha_one;
 517
 518         bool active_queries;
 519
 520         uint32_t tf_prims_generated;
 521         uint32_t prims_generated;
 522
 523         struct pipe_poly_stipple stipple;
 524         struct pipe_clip_state clip;
 525         struct pipe_viewport_state viewport;
 526         struct v3d_ssbo_stateobj ssbo[PIPE_SHADER_TYPES];
 527         struct v3d_shaderimg_stateobj shaderimg[PIPE_SHADER_TYPES];
 528         struct v3d_constbuf_stateobj constbuf[PIPE_SHADER_TYPES];
 529         struct v3d_texture_stateobj tex[PIPE_SHADER_TYPES];
 530         struct v3d_vertexbuf_stateobj vertexbuf;
 531         struct v3d_streamout_stateobj streamout;
 532         struct v3d_bo *current_oq;
 533         struct pipe_resource *prim_counts;
 534         uint32_t prim_counts_offset;
 535         struct pipe_debug_callback debug;
 536         /** @} */
 537 };
 538
 539 struct v3d_rasterizer_state {
 540         struct pipe_rasterizer_state base;
 541
 542         float point_size;
 543
 544         uint8_t depth_offset[9];
 545         uint8_t depth_offset_z16[9];
 546 };
 547
 548 struct v3d_depth_stencil_alpha_state {
 549         struct pipe_depth_stencil_alpha_state base;
 550
 551         enum v3d_ez_state ez_state;
 552
 553         uint8_t stencil_front[6];
 554         uint8_t stencil_back[6];
 555 };
 556
 557 struct v3d_blend_state {
 558         struct pipe_blend_state base;
 559
 560         /* Per-RT mask of whether blending is enabled. */
 561         uint8_t blend_enables;
 562 };
 563
 564 #define perf_debug(...) do {                            \
 565         if (unlikely(V3D_DEBUG & V3D_DEBUG_PERF))       \
 566                 fprintf(stderr, __VA_ARGS__);           \
 567         if (unlikely(v3d->debug.debug_message))         \
 568                 pipe_debug_message(&v3d->debug, PERF_INFO, __VA_ARGS__);    \
 569 } while (0)
 570
 571 #define foreach_bit(b, mask)                                            \
 572         for (uint32_t _m = (mask), b; _m && ({(b) = u_bit_scan(&_m); 1;});)
 573
 574 static inline struct v3d_context *
 575 v3d_context(struct pipe_context *pcontext)
 576 {
 577         return (struct v3d_context *)pcontext;
 578 }
 579
 580 static inline struct v3d_sampler_view *
 581 v3d_sampler_view(struct pipe_sampler_view *psview)
 582 {
 583         return (struct v3d_sampler_view *)psview;
 584 }
 585
 586 static inline struct v3d_sampler_state *
 587 v3d_sampler_state(struct pipe_sampler_state *psampler)
 588 {
 589         return (struct v3d_sampler_state *)psampler;
 590 }
 591
 592 static inline struct v3d_stream_output_target *
 593 v3d_stream_output_target(struct pipe_stream_output_target *ptarget)
 594 {
 595         return (struct v3d_stream_output_target *)ptarget;
 596 }
 597
 598 static inline uint32_t
 599 v3d_stream_output_target_get_vertex_count(struct pipe_stream_output_target *ptarget)
 600 {
 601     return v3d_stream_output_target(ptarget)->recorded_vertex_count;
 602 }
 603
 604 struct pipe_context *v3d_context_create(struct pipe_screen *pscreen,
 605                                         void *priv, unsigned flags);
 606 void v3d_program_init(struct pipe_context *pctx);
 607 void v3d_program_fini(struct pipe_context *pctx);
 608 void v3d_query_init(struct pipe_context *pctx);
 609
 610 void v3d_simulator_init(struct v3d_screen *screen);
 611 void v3d_simulator_destroy(struct v3d_screen *screen);
 612 uint32_t v3d_simulator_get_spill(uint32_t spill_size);
 613 int v3d_simulator_ioctl(int fd, unsigned long request, void *arg);
 614 void v3d_simulator_open_from_handle(int fd, int handle, uint32_t size);
 615
 616 static inline int
 617 v3d_ioctl(int fd, unsigned long request, void *arg)
 618 {
 619         if (using_v3d_simulator)
 620                 return v3d_simulator_ioctl(fd, request, arg);
 621         else
 622                 return drmIoctl(fd, request, arg);
 623 }
 624
 625 static inline bool
 626 v3d_transform_feedback_enabled(struct v3d_context *v3d)
 627 {
 628         return (v3d->prog.bind_vs->num_tf_specs != 0 ||
 629                 (v3d->prog.bind_gs && v3d->prog.bind_gs->num_tf_specs != 0)) &&
 630                v3d->active_queries;
 631 }
 632
 633 void v3d_set_shader_uniform_dirty_flags(struct v3d_compiled_shader *shader);
 634 struct v3d_cl_reloc v3d_write_uniforms(struct v3d_context *v3d,
 635                                        struct v3d_job *job,
 636                                        struct v3d_compiled_shader *shader,
 637                                        enum pipe_shader_type stage);
 638
 639 void v3d_flush(struct pipe_context *pctx);
 640 void v3d_job_init(struct v3d_context *v3d);
 641 struct v3d_job *v3d_job_create(struct v3d_context *v3d);
 642 void v3d_job_free(struct v3d_context *v3d, struct v3d_job *job);
 643 struct v3d_job *v3d_get_job(struct v3d_context *v3d,
 644                             struct pipe_surface **cbufs,
 645                             struct pipe_surface *zsbuf);
 646 struct v3d_job *v3d_get_job_for_fbo(struct v3d_context *v3d);
 647 void v3d_job_add_bo(struct v3d_job *job, struct v3d_bo *bo);
 648 void v3d_job_add_write_resource(struct v3d_job *job, struct pipe_resource *prsc);
 649 void v3d_job_add_tf_write_resource(struct v3d_job *job, struct pipe_resource *prsc);
 650 void v3d_job_submit(struct v3d_context *v3d, struct v3d_job *job);
 651 void v3d_flush_jobs_using_bo(struct v3d_context *v3d, struct v3d_bo *bo);
 652 void v3d_flush_jobs_writing_resource(struct v3d_context *v3d,
 653                                      struct pipe_resource *prsc,
 654                                      enum v3d_flush_cond flush_cond);
 655 void v3d_flush_jobs_reading_resource(struct v3d_context *v3d,
 656                                      struct pipe_resource *prsc,
 657                                      enum v3d_flush_cond flush_cond);
 658 void v3d_update_compiled_shaders(struct v3d_context *v3d, uint8_t prim_mode);
 659 void v3d_update_compiled_cs(struct v3d_context *v3d);
 660
 661 bool v3d_rt_format_supported(const struct v3d_device_info *devinfo,
 662                              enum pipe_format f);
 663 bool v3d_tex_format_supported(const struct v3d_device_info *devinfo,
 664                               enum pipe_format f);
 665 uint8_t v3d_get_rt_format(const struct v3d_device_info *devinfo, enum pipe_format f);
 666 uint8_t v3d_get_tex_format(const struct v3d_device_info *devinfo, enum pipe_format f);
 667 uint8_t v3d_get_tex_return_size(const struct v3d_device_info *devinfo,
 668                                 enum pipe_format f,
 669                                 enum pipe_tex_compare compare);
 670 uint8_t v3d_get_tex_return_channels(const struct v3d_device_info *devinfo,
 671                                     enum pipe_format f);
 672 const uint8_t *v3d_get_format_swizzle(const struct v3d_device_info *devinfo,
 673                                       enum pipe_format f);
 674 void v3d_get_internal_type_bpp_for_output_format(const struct v3d_device_info *devinfo,
 675                                                  uint32_t format,
 676                                                  uint32_t *type,
 677                                                  uint32_t *bpp);
 678 bool v3d_tfu_supports_tex_format(const struct v3d_device_info *devinfo,
 679                                  uint32_t tex_format);
 680
 681 void v3d_init_query_functions(struct v3d_context *v3d);
 682 void v3d_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info);
 683 void v3d_blitter_save(struct v3d_context *v3d);
 684 bool v3d_generate_mipmap(struct pipe_context *pctx,
 685                          struct pipe_resource *prsc,
 686                          enum pipe_format format,
 687                          unsigned int base_level,
 688                          unsigned int last_level,
 689                          unsigned int first_layer,
 690                          unsigned int last_layer);
 691
 692 struct v3d_fence *v3d_fence_create(struct v3d_context *v3d);
 693
 694 void v3d_tf_update_counters(struct v3d_context *v3d);
 695
 696 #ifdef v3dX
 697 #  include "v3dx_context.h"
 698 #else
 699 #  define v3dX(x) v3d33_##x
 700 #  include "v3dx_context.h"
 701 #  undef v3dX
 702
 703 #  define v3dX(x) v3d41_##x
 704 #  include "v3dx_context.h"
 705 #  undef v3dX
 706 #endif
 707
 708 #endif /* VC5_CONTEXT_H */