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