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 #include "broadcom/simulator/v3d_simulator.h"
  44
  45 struct v3d_job;
  46 struct v3d_bo;
  47 void v3d_job_add_bo(struct v3d_job *job, struct v3d_bo *bo);
  48
  49 #include "v3d_bufmgr.h"
  50 #include "v3d_resource.h"
  51 #include "v3d_cl.h"
  52
  53 #ifdef USE_V3D_SIMULATOR
  54 #define using_v3d_simulator true
  55 #else
  56 #define using_v3d_simulator false
  57 #endif
  58
  59 #define VC5_DIRTY_BLEND               (1ull <<  0)
  60 #define VC5_DIRTY_RASTERIZER          (1ull <<  1)
  61 #define VC5_DIRTY_ZSA                 (1ull <<  2)
  62 #define VC5_DIRTY_COMPTEX             (1ull <<  3)
  63 #define VC5_DIRTY_VERTTEX             (1ull <<  4)
  64 #define VC5_DIRTY_GEOMTEX             (1ull <<  5)
  65 #define VC5_DIRTY_FRAGTEX             (1ull <<  6)
  66
  67 #define VC5_DIRTY_SHADER_IMAGE        (1ull <<  9)
  68 #define VC5_DIRTY_BLEND_COLOR         (1ull << 10)
  69 #define VC5_DIRTY_STENCIL_REF         (1ull << 11)
  70 #define VC5_DIRTY_SAMPLE_STATE        (1ull << 12)
  71 #define VC5_DIRTY_FRAMEBUFFER         (1ull << 13)
  72 #define VC5_DIRTY_STIPPLE             (1ull << 14)
  73 #define VC5_DIRTY_VIEWPORT            (1ull << 15)
  74 #define VC5_DIRTY_CONSTBUF            (1ull << 16)
  75 #define VC5_DIRTY_VTXSTATE            (1ull << 17)
  76 #define VC5_DIRTY_VTXBUF              (1ull << 18)
  77 #define VC5_DIRTY_SCISSOR             (1ull << 19)
  78 #define VC5_DIRTY_FLAT_SHADE_FLAGS    (1ull << 20)
  79 #define VC5_DIRTY_PRIM_MODE           (1ull << 21)
  80 #define VC5_DIRTY_CLIP                (1ull << 22)
  81 #define VC5_DIRTY_UNCOMPILED_CS       (1ull << 23)
  82 #define VC5_DIRTY_UNCOMPILED_VS       (1ull << 24)
  83 #define VC5_DIRTY_UNCOMPILED_GS       (1ull << 25)
  84 #define VC5_DIRTY_UNCOMPILED_FS       (1ull << 26)
  85
  86 #define VC5_DIRTY_COMPILED_CS         (1ull << 29)
  87 #define VC5_DIRTY_COMPILED_VS         (1ull << 30)
  88 #define VC5_DIRTY_COMPILED_GS_BIN     (1ULL << 31)
  89 #define VC5_DIRTY_COMPILED_GS         (1ULL << 32)
  90 #define VC5_DIRTY_COMPILED_FS         (1ull << 33)
  91
  92 #define VC5_DIRTY_FS_INPUTS           (1ull << 38)
  93 #define VC5_DIRTY_GS_INPUTS           (1ull << 39)
  94 #define VC5_DIRTY_STREAMOUT           (1ull << 40)
  95 #define VC5_DIRTY_OQ                  (1ull << 41)
  96 #define VC5_DIRTY_CENTROID_FLAGS      (1ull << 42)
  97 #define VC5_DIRTY_NOPERSPECTIVE_FLAGS (1ull << 43)
  98 #define VC5_DIRTY_SSBO                (1ull << 44)
  99
 100 #define VC5_MAX_FS_INPUTS 64
 101
 102 enum v3d_sampler_state_variant {
 103         V3D_SAMPLER_STATE_BORDER_0,
 104         V3D_SAMPLER_STATE_F16,
 105         V3D_SAMPLER_STATE_F16_UNORM,
 106         V3D_SAMPLER_STATE_F16_SNORM,
 107         V3D_SAMPLER_STATE_F16_BGRA,
 108         V3D_SAMPLER_STATE_F16_BGRA_UNORM,
 109         V3D_SAMPLER_STATE_F16_BGRA_SNORM,
 110         V3D_SAMPLER_STATE_F16_A,
 111         V3D_SAMPLER_STATE_F16_A_SNORM,
 112         V3D_SAMPLER_STATE_F16_A_UNORM,
 113         V3D_SAMPLER_STATE_F16_LA,
 114         V3D_SAMPLER_STATE_F16_LA_UNORM,
 115         V3D_SAMPLER_STATE_F16_LA_SNORM,
 116         V3D_SAMPLER_STATE_32,
 117         V3D_SAMPLER_STATE_32_UNORM,
 118         V3D_SAMPLER_STATE_32_SNORM,
 119         V3D_SAMPLER_STATE_32_A,
 120         V3D_SAMPLER_STATE_32_A_UNORM,
 121         V3D_SAMPLER_STATE_32_A_SNORM,
 122         V3D_SAMPLER_STATE_1010102U,
 123         V3D_SAMPLER_STATE_16U,
 124         V3D_SAMPLER_STATE_16I,
 125         V3D_SAMPLER_STATE_8I,
 126         V3D_SAMPLER_STATE_8U,
 127
 128         V3D_SAMPLER_STATE_VARIANT_COUNT,
 129 };
 130
 131 enum v3d_flush_cond {
 132         /* Flush job unless we are flushing for transform feedback, where we
 133          * handle flushing in the driver via the 'Wait for TF' packet.
 134          */
 135         V3D_FLUSH_DEFAULT,
 136         /* Always flush the job, even for cases where we would normally not
 137          * do it, such as transform feedback.
 138          */
 139         V3D_FLUSH_ALWAYS,
 140         /* Flush job if it is not the current FBO job. This is intended to
 141          * skip automatic flushes of the current job for resources that we
 142          * expect to be externally synchronized by the application using
 143          * glMemoryBarrier(), such as SSBOs and shader images.
 144          */
 145         V3D_FLUSH_NOT_CURRENT_JOB,
 146 };
 147
 148 struct v3d_sampler_view {
 149         struct pipe_sampler_view base;
 150         uint32_t p0;
 151         uint32_t p1;
 152         /* Precomputed swizzles to pass in to the shader key. */
 153         uint8_t swizzle[4];
 154
 155         uint8_t texture_shader_state[32];
 156         /* V3D 4.x: Texture state struct. */
 157         struct v3d_bo *bo;
 158
 159         enum v3d_sampler_state_variant sampler_variant;
 160
 161         /* Actual texture to be read by this sampler view.  May be different
 162          * from base.texture in the case of having a shadow tiled copy of a
 163          * raster texture.
 164          */
 165         struct pipe_resource *texture;
 166 };
 167
 168 struct v3d_sampler_state {
 169         struct pipe_sampler_state base;
 170         uint32_t p0;
 171         uint32_t p1;
 172
 173         /* V3D 3.x: Packed texture state. */
 174         uint8_t texture_shader_state[32];
 175         /* V3D 4.x: Sampler state struct. */
 176         struct pipe_resource *sampler_state;
 177         uint32_t sampler_state_offset[V3D_SAMPLER_STATE_VARIANT_COUNT];
 178
 179         bool border_color_variants;
 180 };
 181
 182 struct v3d_texture_stateobj {
 183         struct pipe_sampler_view *textures[V3D_MAX_TEXTURE_SAMPLERS];
 184         unsigned num_textures;
 185         struct pipe_sampler_state *samplers[V3D_MAX_TEXTURE_SAMPLERS];
 186         unsigned num_samplers;
 187         struct v3d_cl_reloc texture_state[V3D_MAX_TEXTURE_SAMPLERS];
 188 };
 189
 190 struct v3d_shader_uniform_info {
 191         enum quniform_contents *contents;
 192         uint32_t *data;
 193         uint32_t count;
 194 };
 195
 196 struct v3d_uncompiled_shader {
 197         /** A name for this program, so you can track it in shader-db output. */
 198         uint32_t program_id;
 199         /** How many variants of this program were compiled, for shader-db. */
 200         uint32_t compiled_variant_count;
 201         struct pipe_shader_state base;
 202         uint32_t num_tf_outputs;
 203         struct v3d_varying_slot *tf_outputs;
 204         uint16_t tf_specs[16];
 205         uint16_t tf_specs_psiz[16];
 206         uint32_t num_tf_specs;
 207 };
 208
 209 struct v3d_compiled_shader {
 210         struct pipe_resource *resource;
 211         uint32_t offset;
 212
 213         union {
 214                 struct v3d_prog_data *base;
 215                 struct v3d_vs_prog_data *vs;
 216                 struct v3d_gs_prog_data *gs;
 217                 struct v3d_fs_prog_data *fs;
 218                 struct v3d_compute_prog_data *compute;
 219         } prog_data;
 220
 221         /**
 222          * VC5_DIRTY_* flags that, when set in v3d->dirty, mean that the
 223          * uniforms have to be rewritten (and therefore the shader state
 224          * reemitted).
 225          */
 226         uint64_t uniform_dirty_bits;
 227 };
 228
 229 struct v3d_program_stateobj {
 230         struct v3d_uncompiled_shader *bind_vs, *bind_gs, *bind_fs, *bind_compute;
 231         struct v3d_compiled_shader *cs, *vs, *gs_bin, *gs, *fs, *compute;
 232
 233         struct hash_table *cache[MESA_SHADER_STAGES];
 234
 235         struct v3d_bo *spill_bo;
 236         int spill_size_per_thread;
 237 };
 238
 239 struct v3d_constbuf_stateobj {
 240         struct pipe_constant_buffer cb[PIPE_MAX_CONSTANT_BUFFERS];
 241         uint32_t enabled_mask;
 242         uint32_t dirty_mask;
 243 };
 244
 245 struct v3d_vertexbuf_stateobj {
 246         struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
 247         unsigned count;
 248         uint32_t enabled_mask;
 249         uint32_t dirty_mask;
 250 };
 251
 252 struct v3d_vertex_stateobj {
 253         struct pipe_vertex_element pipe[V3D_MAX_VS_INPUTS / 4];
 254         unsigned num_elements;
 255
 256         uint8_t attrs[16 * (V3D_MAX_VS_INPUTS / 4)];
 257         struct pipe_resource *defaults;
 258         uint32_t defaults_offset;
 259 };
 260
 261 struct v3d_stream_output_target {
 262         struct pipe_stream_output_target base;
 263         /* Number of transform feedback vertices written to this target */
 264         uint32_t recorded_vertex_count;
 265 };
 266
 267 struct v3d_streamout_stateobj {
 268         struct pipe_stream_output_target *targets[PIPE_MAX_SO_BUFFERS];
 269         /* Number of vertices we've written into the buffer so far. */
 270         uint32_t offsets[PIPE_MAX_SO_BUFFERS];
 271         unsigned num_targets;
 272 };
 273
 274 struct v3d_ssbo_stateobj {
 275         struct pipe_shader_buffer sb[PIPE_MAX_SHADER_BUFFERS];
 276         uint32_t enabled_mask;
 277 };
 278
 279 /* Hash table key for v3d->jobs */
 280 struct v3d_job_key {
 281         struct pipe_surface *cbufs[4];
 282         struct pipe_surface *zsbuf;
 283 };
 284
 285 enum v3d_ez_state {
 286         VC5_EZ_UNDECIDED = 0,
 287         VC5_EZ_GT_GE,
 288         VC5_EZ_LT_LE,
 289         VC5_EZ_DISABLED,
 290 };
 291
 292 struct v3d_image_view {
 293         struct pipe_image_view base;
 294         /* V3D 4.x texture shader state struct */
 295         struct pipe_resource *tex_state;
 296         uint32_t tex_state_offset;
 297 };
 298
 299 struct v3d_shaderimg_stateobj {
 300         struct v3d_image_view si[PIPE_MAX_SHADER_IMAGES];
 301         uint32_t enabled_mask;
 302 };
 303
 304 /**
 305  * A complete bin/render job.
 306  *
 307  * This is all of the state necessary to submit a bin/render to the kernel.
 308  * We want to be able to have multiple in progress at a time, so that we don't
 309  * need to flush an existing CL just to switch to rendering to a new render
 310  * target (which would mean reading back from the old render target when
 311  * starting to render to it again).
 312  */
 313 struct v3d_job {
 314         struct v3d_context *v3d;
 315         struct v3d_cl bcl;
 316         struct v3d_cl rcl;
 317         struct v3d_cl indirect;
 318         struct v3d_bo *tile_alloc;
 319         struct v3d_bo *tile_state;
 320
 321         struct drm_v3d_submit_cl submit;
 322
 323         /**
 324          * Set of all BOs referenced by the job.  This will be used for making
 325          * the list of BOs that the kernel will need to have paged in to
 326          * execute our job.
 327          */
 328         struct set *bos;
 329
 330         /** Sum of the sizes of the BOs referenced by the job. */
 331         uint32_t referenced_size;
 332
 333         struct set *write_prscs;
 334         struct set *tf_write_prscs;
 335
 336         /* Size of the submit.bo_handles array. */
 337         uint32_t bo_handles_size;
 338
 339         /** @{ Surfaces to submit rendering for. */
 340         struct pipe_surface *cbufs[4];
 341         struct pipe_surface *zsbuf;
 342         /** @} */
 343         /** @{
 344          * Bounding box of the scissor across all queued drawing.
 345          *
 346          * Note that the max values are exclusive.
 347          */
 348         uint32_t draw_min_x;
 349         uint32_t draw_min_y;
 350         uint32_t draw_max_x;
 351         uint32_t draw_max_y;
 352         /** @} */
 353         /** @{
 354          * Width/height of the color framebuffer being rendered to,
 355          * for VC5_TILE_RENDERING_MODE_CONFIG.
 356         */
 357         uint32_t draw_width;
 358         uint32_t draw_height;
 359         uint32_t num_layers;
 360
 361         /** @} */
 362         /** @{ Tile information, depending on MSAA and float color buffer. */
 363         uint32_t draw_tiles_x; /** @< Number of tiles wide for framebuffer. */
 364         uint32_t draw_tiles_y; /** @< Number of tiles high for framebuffer. */
 365
 366         uint32_t tile_width; /** @< Width of a tile. */
 367         uint32_t tile_height; /** @< Height of a tile. */
 368         /** maximum internal_bpp of all color render targets. */
 369         uint32_t internal_bpp;
 370
 371         /** Whether the current rendering is in a 4X MSAA tile buffer. */
 372         bool msaa;
 373         /** @} */
 374
 375         /* Bitmask of PIPE_CLEAR_* of buffers that were cleared before the
 376          * first rendering.
 377          */
 378         uint32_t clear;
 379         /* Bitmask of PIPE_CLEAR_* of buffers that have been read by a draw
 380          * call without having been cleared first.
 381          */
 382         uint32_t load;
 383         /* Bitmask of PIPE_CLEAR_* of buffers that have been rendered to
 384          * (either clears or draws) and should be stored.
 385          */
 386         uint32_t store;
 387         uint32_t clear_color[4][4];
 388         float clear_z;
 389         uint8_t clear_s;
 390
 391         /**
 392          * Set if some drawing (triangles, blits, or just a glClear()) has
 393          * been done to the FBO, meaning that we need to
 394          * DRM_IOCTL_VC5_SUBMIT_CL.
 395          */
 396         bool needs_flush;
 397
 398         /* Set if any shader has dirtied cachelines in the TMU that need to be
 399          * flushed before job end.
 400          */
 401         bool tmu_dirty_rcl;
 402
 403         /**
 404          * Set if a packet enabling TF has been emitted in the job (V3D 4.x).
 405          */
 406         bool tf_enabled;
 407
 408         /**
 409          * Current EZ state for drawing. Updated at the start of draw after
 410          * we've decided on the shader being rendered.
 411          */
 412         enum v3d_ez_state ez_state;
 413         /**
 414          * The first EZ state that was used for drawing with a decided EZ
 415          * direction (so either UNDECIDED, GT, or LT).
 416          */
 417         enum v3d_ez_state first_ez_state;
 418
 419         /**
 420          * Number of draw calls (not counting full buffer clears) queued in
 421          * the current job.
 422          */
 423         uint32_t draw_calls_queued;
 424
 425         /**
 426          * Number of draw calls (not counting full buffer clears) queued in
 427          * the current job during active transform feedback.
 428          */
 429         uint32_t tf_draw_calls_queued;
 430
 431         struct v3d_job_key key;
 432 };
 433
 434 struct v3d_context {
 435         struct pipe_context base;
 436
 437         int fd;
 438         struct v3d_screen *screen;
 439
 440         /** The 3D rendering job for the currently bound FBO. */
 441         struct v3d_job *job;
 442
 443         /* Map from struct v3d_job_key to the job for that FBO.
 444          */
 445         struct hash_table *jobs;
 446
 447         /**
 448          * Map from v3d_resource to a job writing to that resource.
 449          *
 450          * Primarily for flushing jobs rendering to textures that are now
 451          * being read from.
 452          */
 453         struct hash_table *write_jobs;
 454
 455         struct slab_child_pool transfer_pool;
 456         struct blitter_context *blitter;
 457
 458         /** bitfield of VC5_DIRTY_* */
 459         uint64_t dirty;
 460
 461         struct primconvert_context *primconvert;
 462
 463         uint32_t next_uncompiled_program_id;
 464         uint64_t next_compiled_program_id;
 465
 466         struct v3d_compiler_state *compiler_state;
 467
 468         uint8_t prim_mode;
 469
 470         /** Maximum index buffer valid for the current shader_rec. */
 471         uint32_t max_index;
 472
 473         /** Sync object that our RCL or TFU job will update as its out_sync. */
 474         uint32_t out_sync;
 475
 476         /* Stream uploader used by gallium internals.  This could also be used
 477          * by driver internals, but we tend to use the v3d_cl.h interfaces
 478          * instead.
 479          */
 480         struct u_upload_mgr *uploader;
 481         /* State uploader used inside the driver.  This is for packing bits of
 482          * long-term state inside buffers, since the kernel interfaces
 483          * allocate a page at a time.
 484          */
 485         struct u_upload_mgr *state_uploader;
 486
 487         /** @{ Current pipeline state objects */
 488         struct pipe_scissor_state scissor;
 489         struct v3d_blend_state *blend;
 490         struct v3d_rasterizer_state *rasterizer;
 491         struct v3d_depth_stencil_alpha_state *zsa;
 492
 493         struct v3d_program_stateobj prog;
 494         uint32_t compute_num_workgroups[3];
 495         struct v3d_bo *compute_shared_memory;
 496
 497         struct v3d_vertex_stateobj *vtx;
 498
 499         struct {
 500                 struct pipe_blend_color f;
 501                 uint16_t hf[4];
 502         } blend_color;
 503         struct pipe_stencil_ref stencil_ref;
 504         unsigned sample_mask;
 505         struct pipe_framebuffer_state framebuffer;
 506
 507         /* Per render target, whether we should swap the R and B fields in the
 508          * shader's color output and in blending.  If render targets disagree
 509          * on the R/B swap and use the constant color, then we would need to
 510          * fall back to in-shader blending.
 511          */
 512         uint8_t swap_color_rb;
 513
 514         /* Per render target, whether we should treat the dst alpha values as
 515          * one in blending.
 516          *
 517          * For RGBX formats, the tile buffer's alpha channel will be
 518          * undefined.
 519          */
 520         uint8_t blend_dst_alpha_one;
 521
 522         bool active_queries;
 523
 524         /**
 525          * If a compute job writes a resource read by a non-compute stage we
 526          * should sync on the last compute job.
 527          */
 528         bool sync_on_last_compute_job;
 529
 530         uint32_t tf_prims_generated;
 531         uint32_t prims_generated;
 532
 533         struct pipe_poly_stipple stipple;
 534         struct pipe_clip_state clip;
 535         struct pipe_viewport_state viewport;
 536         struct v3d_ssbo_stateobj ssbo[PIPE_SHADER_TYPES];
 537         struct v3d_shaderimg_stateobj shaderimg[PIPE_SHADER_TYPES];
 538         struct v3d_constbuf_stateobj constbuf[PIPE_SHADER_TYPES];
 539         struct v3d_texture_stateobj tex[PIPE_SHADER_TYPES];
 540         struct v3d_vertexbuf_stateobj vertexbuf;
 541         struct v3d_streamout_stateobj streamout;
 542         struct v3d_bo *current_oq;
 543         struct pipe_resource *prim_counts;
 544         uint32_t prim_counts_offset;
 545         struct pipe_debug_callback debug;
 546         /** @} */
 547 };
 548
 549 struct v3d_rasterizer_state {
 550         struct pipe_rasterizer_state base;
 551
 552         float point_size;
 553
 554         uint8_t depth_offset[9];
 555         uint8_t depth_offset_z16[9];
 556 };
 557
 558 struct v3d_depth_stencil_alpha_state {
 559         struct pipe_depth_stencil_alpha_state base;
 560
 561         enum v3d_ez_state ez_state;
 562
 563         uint8_t stencil_front[6];
 564         uint8_t stencil_back[6];
 565 };
 566
 567 struct v3d_blend_state {
 568         struct pipe_blend_state base;
 569
 570         /* Per-RT mask of whether blending is enabled. */
 571         uint8_t blend_enables;
 572 };
 573
 574 #define perf_debug(...) do {                            \
 575         if (unlikely(V3D_DEBUG & V3D_DEBUG_PERF))       \
 576                 fprintf(stderr, __VA_ARGS__);           \
 577         if (unlikely(v3d->debug.debug_message))         \
 578                 pipe_debug_message(&v3d->debug, PERF_INFO, __VA_ARGS__);    \
 579 } while (0)
 580
 581 #define foreach_bit(b, mask)                                            \
 582         for (uint32_t _m = (mask), b; _m && ({(b) = u_bit_scan(&_m); 1;});)
 583
 584 static inline struct v3d_context *
 585 v3d_context(struct pipe_context *pcontext)
 586 {
 587         return (struct v3d_context *)pcontext;
 588 }
 589
 590 static inline struct v3d_sampler_view *
 591 v3d_sampler_view(struct pipe_sampler_view *psview)
 592 {
 593         return (struct v3d_sampler_view *)psview;
 594 }
 595
 596 static inline struct v3d_sampler_state *
 597 v3d_sampler_state(struct pipe_sampler_state *psampler)
 598 {
 599         return (struct v3d_sampler_state *)psampler;
 600 }
 601
 602 static inline struct v3d_stream_output_target *
 603 v3d_stream_output_target(struct pipe_stream_output_target *ptarget)
 604 {
 605         return (struct v3d_stream_output_target *)ptarget;
 606 }
 607
 608 static inline uint32_t
 609 v3d_stream_output_target_get_vertex_count(struct pipe_stream_output_target *ptarget)
 610 {
 611     return v3d_stream_output_target(ptarget)->recorded_vertex_count;
 612 }
 613
 614 struct pipe_context *v3d_context_create(struct pipe_screen *pscreen,
 615                                         void *priv, unsigned flags);
 616 void v3d_program_init(struct pipe_context *pctx);
 617 void v3d_program_fini(struct pipe_context *pctx);
 618 void v3d_query_init(struct pipe_context *pctx);
 619
 620 static inline int
 621 v3d_ioctl(int fd, unsigned long request, void *arg)
 622 {
 623         if (using_v3d_simulator)
 624                 return v3d_simulator_ioctl(fd, request, arg);
 625         else
 626                 return drmIoctl(fd, request, arg);
 627 }
 628
 629 static inline bool
 630 v3d_transform_feedback_enabled(struct v3d_context *v3d)
 631 {
 632         return (v3d->prog.bind_vs->num_tf_specs != 0 ||
 633                 (v3d->prog.bind_gs && v3d->prog.bind_gs->num_tf_specs != 0)) &&
 634                v3d->active_queries;
 635 }
 636
 637 void v3d_set_shader_uniform_dirty_flags(struct v3d_compiled_shader *shader);
 638 struct v3d_cl_reloc v3d_write_uniforms(struct v3d_context *v3d,
 639                                        struct v3d_job *job,
 640                                        struct v3d_compiled_shader *shader,
 641                                        enum pipe_shader_type stage);
 642
 643 void v3d_flush(struct pipe_context *pctx);
 644 void v3d_job_init(struct v3d_context *v3d);
 645 struct v3d_job *v3d_job_create(struct v3d_context *v3d);
 646 void v3d_job_free(struct v3d_context *v3d, struct v3d_job *job);
 647 struct v3d_job *v3d_get_job(struct v3d_context *v3d,
 648                             struct pipe_surface **cbufs,
 649                             struct pipe_surface *zsbuf);
 650 struct v3d_job *v3d_get_job_for_fbo(struct v3d_context *v3d);
 651 void v3d_job_add_bo(struct v3d_job *job, struct v3d_bo *bo);
 652 void v3d_job_add_write_resource(struct v3d_job *job, struct pipe_resource *prsc);
 653 void v3d_job_add_tf_write_resource(struct v3d_job *job, struct pipe_resource *prsc);
 654 void v3d_job_submit(struct v3d_context *v3d, struct v3d_job *job);
 655 void v3d_flush_jobs_using_bo(struct v3d_context *v3d, struct v3d_bo *bo);
 656 void v3d_flush_jobs_writing_resource(struct v3d_context *v3d,
 657                                      struct pipe_resource *prsc,
 658                                      enum v3d_flush_cond flush_cond,
 659                                      bool is_compute_pipeline);
 660 void v3d_flush_jobs_reading_resource(struct v3d_context *v3d,
 661                                      struct pipe_resource *prsc,
 662                                      enum v3d_flush_cond flush_cond,
 663                                      bool is_compute_pipeline);
 664 void v3d_update_compiled_shaders(struct v3d_context *v3d, uint8_t prim_mode);
 665 void v3d_update_compiled_cs(struct v3d_context *v3d);
 666
 667 bool v3d_rt_format_supported(const struct v3d_device_info *devinfo,
 668                              enum pipe_format f);
 669 bool v3d_tex_format_supported(const struct v3d_device_info *devinfo,
 670                               enum pipe_format f);
 671 uint8_t v3d_get_rt_format(const struct v3d_device_info *devinfo, enum pipe_format f);
 672 uint8_t v3d_get_tex_format(const struct v3d_device_info *devinfo, enum pipe_format f);
 673 uint8_t v3d_get_tex_return_size(const struct v3d_device_info *devinfo,
 674                                 enum pipe_format f,
 675                                 enum pipe_tex_compare compare);
 676 uint8_t v3d_get_tex_return_channels(const struct v3d_device_info *devinfo,
 677                                     enum pipe_format f);
 678 const uint8_t *v3d_get_format_swizzle(const struct v3d_device_info *devinfo,
 679                                       enum pipe_format f);
 680 void v3d_get_internal_type_bpp_for_output_format(const struct v3d_device_info *devinfo,
 681                                                  uint32_t format,
 682                                                  uint32_t *type,
 683                                                  uint32_t *bpp);
 684 bool v3d_tfu_supports_tex_format(const struct v3d_device_info *devinfo,
 685                                  uint32_t tex_format);
 686
 687 void v3d_init_query_functions(struct v3d_context *v3d);
 688 void v3d_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info);
 689 void v3d_blitter_save(struct v3d_context *v3d);
 690 bool v3d_generate_mipmap(struct pipe_context *pctx,
 691                          struct pipe_resource *prsc,
 692                          enum pipe_format format,
 693                          unsigned int base_level,
 694                          unsigned int last_level,
 695                          unsigned int first_layer,
 696                          unsigned int last_layer);
 697
 698 struct v3d_fence *v3d_fence_create(struct v3d_context *v3d);
 699
 700 void v3d_update_primitive_counters(struct v3d_context *v3d);
 701
 702 bool v3d_line_smoothing_enabled(struct v3d_context *v3d);
 703
 704 float v3d_get_real_line_width(struct v3d_context *v3d);
 705
 706 #ifdef v3dX
 707 #  include "v3dx_context.h"
 708 #else
 709 #  define v3dX(x) v3d33_##x
 710 #  include "v3dx_context.h"
 711 #  undef v3dX
 712
 713 #  define v3dX(x) v3d41_##x
 714 #  include "v3dx_context.h"
 715 #  undef v3dX
 716 #endif
 717
 718 #endif /* VC5_CONTEXT_H */