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         uint32_t num_layers;
 358
 359         /** @} */
 360         /** @{ Tile information, depending on MSAA and float color buffer. */
 361         uint32_t draw_tiles_x; /** @< Number of tiles wide for framebuffer. */
 362         uint32_t draw_tiles_y; /** @< Number of tiles high for framebuffer. */
 363
 364         uint32_t tile_width; /** @< Width of a tile. */
 365         uint32_t tile_height; /** @< Height of a tile. */
 366         /** maximum internal_bpp of all color render targets. */
 367         uint32_t internal_bpp;
 368
 369         /** Whether the current rendering is in a 4X MSAA tile buffer. */
 370         bool msaa;
 371         /** @} */
 372
 373         /* Bitmask of PIPE_CLEAR_* of buffers that were cleared before the
 374          * first rendering.
 375          */
 376         uint32_t clear;
 377         /* Bitmask of PIPE_CLEAR_* of buffers that have been read by a draw
 378          * call without having been cleared first.
 379          */
 380         uint32_t load;
 381         /* Bitmask of PIPE_CLEAR_* of buffers that have been rendered to
 382          * (either clears or draws) and should be stored.
 383          */
 384         uint32_t store;
 385         uint32_t clear_color[4][4];
 386         float clear_z;
 387         uint8_t clear_s;
 388
 389         /**
 390          * Set if some drawing (triangles, blits, or just a glClear()) has
 391          * been done to the FBO, meaning that we need to
 392          * DRM_IOCTL_VC5_SUBMIT_CL.
 393          */
 394         bool needs_flush;
 395
 396         /* Set if any shader has dirtied cachelines in the TMU that need to be
 397          * flushed before job end.
 398          */
 399         bool tmu_dirty_rcl;
 400
 401         /**
 402          * Set if a packet enabling TF has been emitted in the job (V3D 4.x).
 403          */
 404         bool tf_enabled;
 405
 406         /**
 407          * Current EZ state for drawing. Updated at the start of draw after
 408          * we've decided on the shader being rendered.
 409          */
 410         enum v3d_ez_state ez_state;
 411         /**
 412          * The first EZ state that was used for drawing with a decided EZ
 413          * direction (so either UNDECIDED, GT, or LT).
 414          */
 415         enum v3d_ez_state first_ez_state;
 416
 417         /**
 418          * Number of draw calls (not counting full buffer clears) queued in
 419          * the current job.
 420          */
 421         uint32_t draw_calls_queued;
 422
 423         /**
 424          * Number of draw calls (not counting full buffer clears) queued in
 425          * the current job during active transform feedback.
 426          */
 427         uint32_t tf_draw_calls_queued;
 428
 429         struct v3d_job_key key;
 430 };
 431
 432 struct v3d_context {
 433         struct pipe_context base;
 434
 435         int fd;
 436         struct v3d_screen *screen;
 437
 438         /** The 3D rendering job for the currently bound FBO. */
 439         struct v3d_job *job;
 440
 441         /* Map from struct v3d_job_key to the job for that FBO.
 442          */
 443         struct hash_table *jobs;
 444
 445         /**
 446          * Map from v3d_resource to a job writing to that resource.
 447          *
 448          * Primarily for flushing jobs rendering to textures that are now
 449          * being read from.
 450          */
 451         struct hash_table *write_jobs;
 452
 453         struct slab_child_pool transfer_pool;
 454         struct blitter_context *blitter;
 455
 456         /** bitfield of VC5_DIRTY_* */
 457         uint64_t dirty;
 458
 459         struct primconvert_context *primconvert;
 460
 461         uint32_t next_uncompiled_program_id;
 462         uint64_t next_compiled_program_id;
 463
 464         struct v3d_compiler_state *compiler_state;
 465
 466         uint8_t prim_mode;
 467
 468         /** Maximum index buffer valid for the current shader_rec. */
 469         uint32_t max_index;
 470
 471         /** Sync object that our RCL or TFU job will update as its out_sync. */
 472         uint32_t out_sync;
 473
 474         /* Stream uploader used by gallium internals.  This could also be used
 475          * by driver internals, but we tend to use the v3d_cl.h interfaces
 476          * instead.
 477          */
 478         struct u_upload_mgr *uploader;
 479         /* State uploader used inside the driver.  This is for packing bits of
 480          * long-term state inside buffers, since the kernel interfaces
 481          * allocate a page at a time.
 482          */
 483         struct u_upload_mgr *state_uploader;
 484
 485         /** @{ Current pipeline state objects */
 486         struct pipe_scissor_state scissor;
 487         struct v3d_blend_state *blend;
 488         struct v3d_rasterizer_state *rasterizer;
 489         struct v3d_depth_stencil_alpha_state *zsa;
 490
 491         struct v3d_program_stateobj prog;
 492         uint32_t compute_num_workgroups[3];
 493         struct v3d_bo *compute_shared_memory;
 494
 495         struct v3d_vertex_stateobj *vtx;
 496
 497         struct {
 498                 struct pipe_blend_color f;
 499                 uint16_t hf[4];
 500         } blend_color;
 501         struct pipe_stencil_ref stencil_ref;
 502         unsigned sample_mask;
 503         struct pipe_framebuffer_state framebuffer;
 504
 505         /* Per render target, whether we should swap the R and B fields in the
 506          * shader's color output and in blending.  If render targets disagree
 507          * on the R/B swap and use the constant color, then we would need to
 508          * fall back to in-shader blending.
 509          */
 510         uint8_t swap_color_rb;
 511
 512         /* Per render target, whether we should treat the dst alpha values as
 513          * one in blending.
 514          *
 515          * For RGBX formats, the tile buffer's alpha channel will be
 516          * undefined.
 517          */
 518         uint8_t blend_dst_alpha_one;
 519
 520         bool active_queries;
 521
 522         uint32_t tf_prims_generated;
 523         uint32_t prims_generated;
 524
 525         struct pipe_poly_stipple stipple;
 526         struct pipe_clip_state clip;
 527         struct pipe_viewport_state viewport;
 528         struct v3d_ssbo_stateobj ssbo[PIPE_SHADER_TYPES];
 529         struct v3d_shaderimg_stateobj shaderimg[PIPE_SHADER_TYPES];
 530         struct v3d_constbuf_stateobj constbuf[PIPE_SHADER_TYPES];
 531         struct v3d_texture_stateobj tex[PIPE_SHADER_TYPES];
 532         struct v3d_vertexbuf_stateobj vertexbuf;
 533         struct v3d_streamout_stateobj streamout;
 534         struct v3d_bo *current_oq;
 535         struct pipe_resource *prim_counts;
 536         uint32_t prim_counts_offset;
 537         struct pipe_debug_callback debug;
 538         /** @} */
 539 };
 540
 541 struct v3d_rasterizer_state {
 542         struct pipe_rasterizer_state base;
 543
 544         float point_size;
 545
 546         uint8_t depth_offset[9];
 547         uint8_t depth_offset_z16[9];
 548 };
 549
 550 struct v3d_depth_stencil_alpha_state {
 551         struct pipe_depth_stencil_alpha_state base;
 552
 553         enum v3d_ez_state ez_state;
 554
 555         uint8_t stencil_front[6];
 556         uint8_t stencil_back[6];
 557 };
 558
 559 struct v3d_blend_state {
 560         struct pipe_blend_state base;
 561
 562         /* Per-RT mask of whether blending is enabled. */
 563         uint8_t blend_enables;
 564 };
 565
 566 #define perf_debug(...) do {                            \
 567         if (unlikely(V3D_DEBUG & V3D_DEBUG_PERF))       \
 568                 fprintf(stderr, __VA_ARGS__);           \
 569         if (unlikely(v3d->debug.debug_message))         \
 570                 pipe_debug_message(&v3d->debug, PERF_INFO, __VA_ARGS__);    \
 571 } while (0)
 572
 573 #define foreach_bit(b, mask)                                            \
 574         for (uint32_t _m = (mask), b; _m && ({(b) = u_bit_scan(&_m); 1;});)
 575
 576 static inline struct v3d_context *
 577 v3d_context(struct pipe_context *pcontext)
 578 {
 579         return (struct v3d_context *)pcontext;
 580 }
 581
 582 static inline struct v3d_sampler_view *
 583 v3d_sampler_view(struct pipe_sampler_view *psview)
 584 {
 585         return (struct v3d_sampler_view *)psview;
 586 }
 587
 588 static inline struct v3d_sampler_state *
 589 v3d_sampler_state(struct pipe_sampler_state *psampler)
 590 {
 591         return (struct v3d_sampler_state *)psampler;
 592 }
 593
 594 static inline struct v3d_stream_output_target *
 595 v3d_stream_output_target(struct pipe_stream_output_target *ptarget)
 596 {
 597         return (struct v3d_stream_output_target *)ptarget;
 598 }
 599
 600 static inline uint32_t
 601 v3d_stream_output_target_get_vertex_count(struct pipe_stream_output_target *ptarget)
 602 {
 603     return v3d_stream_output_target(ptarget)->recorded_vertex_count;
 604 }
 605
 606 struct pipe_context *v3d_context_create(struct pipe_screen *pscreen,
 607                                         void *priv, unsigned flags);
 608 void v3d_program_init(struct pipe_context *pctx);
 609 void v3d_program_fini(struct pipe_context *pctx);
 610 void v3d_query_init(struct pipe_context *pctx);
 611
 612 void v3d_simulator_init(struct v3d_screen *screen);
 613 void v3d_simulator_destroy(struct v3d_screen *screen);
 614 uint32_t v3d_simulator_get_spill(uint32_t spill_size);
 615 int v3d_simulator_ioctl(int fd, unsigned long request, void *arg);
 616 void v3d_simulator_open_from_handle(int fd, int handle, uint32_t size);
 617
 618 static inline int
 619 v3d_ioctl(int fd, unsigned long request, void *arg)
 620 {
 621         if (using_v3d_simulator)
 622                 return v3d_simulator_ioctl(fd, request, arg);
 623         else
 624                 return drmIoctl(fd, request, arg);
 625 }
 626
 627 static inline bool
 628 v3d_transform_feedback_enabled(struct v3d_context *v3d)
 629 {
 630         return (v3d->prog.bind_vs->num_tf_specs != 0 ||
 631                 (v3d->prog.bind_gs && v3d->prog.bind_gs->num_tf_specs != 0)) &&
 632                v3d->active_queries;
 633 }
 634
 635 void v3d_set_shader_uniform_dirty_flags(struct v3d_compiled_shader *shader);
 636 struct v3d_cl_reloc v3d_write_uniforms(struct v3d_context *v3d,
 637                                        struct v3d_job *job,
 638                                        struct v3d_compiled_shader *shader,
 639                                        enum pipe_shader_type stage);
 640
 641 void v3d_flush(struct pipe_context *pctx);
 642 void v3d_job_init(struct v3d_context *v3d);
 643 struct v3d_job *v3d_job_create(struct v3d_context *v3d);
 644 void v3d_job_free(struct v3d_context *v3d, struct v3d_job *job);
 645 struct v3d_job *v3d_get_job(struct v3d_context *v3d,
 646                             struct pipe_surface **cbufs,
 647                             struct pipe_surface *zsbuf);
 648 struct v3d_job *v3d_get_job_for_fbo(struct v3d_context *v3d);
 649 void v3d_job_add_bo(struct v3d_job *job, struct v3d_bo *bo);
 650 void v3d_job_add_write_resource(struct v3d_job *job, struct pipe_resource *prsc);
 651 void v3d_job_add_tf_write_resource(struct v3d_job *job, struct pipe_resource *prsc);
 652 void v3d_job_submit(struct v3d_context *v3d, struct v3d_job *job);
 653 void v3d_flush_jobs_using_bo(struct v3d_context *v3d, struct v3d_bo *bo);
 654 void v3d_flush_jobs_writing_resource(struct v3d_context *v3d,
 655                                      struct pipe_resource *prsc,
 656                                      enum v3d_flush_cond flush_cond);
 657 void v3d_flush_jobs_reading_resource(struct v3d_context *v3d,
 658                                      struct pipe_resource *prsc,
 659                                      enum v3d_flush_cond flush_cond);
 660 void v3d_update_compiled_shaders(struct v3d_context *v3d, uint8_t prim_mode);
 661 void v3d_update_compiled_cs(struct v3d_context *v3d);
 662
 663 bool v3d_rt_format_supported(const struct v3d_device_info *devinfo,
 664                              enum pipe_format f);
 665 bool v3d_tex_format_supported(const struct v3d_device_info *devinfo,
 666                               enum pipe_format f);
 667 uint8_t v3d_get_rt_format(const struct v3d_device_info *devinfo, enum pipe_format f);
 668 uint8_t v3d_get_tex_format(const struct v3d_device_info *devinfo, enum pipe_format f);
 669 uint8_t v3d_get_tex_return_size(const struct v3d_device_info *devinfo,
 670                                 enum pipe_format f,
 671                                 enum pipe_tex_compare compare);
 672 uint8_t v3d_get_tex_return_channels(const struct v3d_device_info *devinfo,
 673                                     enum pipe_format f);
 674 const uint8_t *v3d_get_format_swizzle(const struct v3d_device_info *devinfo,
 675                                       enum pipe_format f);
 676 void v3d_get_internal_type_bpp_for_output_format(const struct v3d_device_info *devinfo,
 677                                                  uint32_t format,
 678                                                  uint32_t *type,
 679                                                  uint32_t *bpp);
 680 bool v3d_tfu_supports_tex_format(const struct v3d_device_info *devinfo,
 681                                  uint32_t tex_format);
 682
 683 void v3d_init_query_functions(struct v3d_context *v3d);
 684 void v3d_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info);
 685 void v3d_blitter_save(struct v3d_context *v3d);
 686 bool v3d_generate_mipmap(struct pipe_context *pctx,
 687                          struct pipe_resource *prsc,
 688                          enum pipe_format format,
 689                          unsigned int base_level,
 690                          unsigned int last_level,
 691                          unsigned int first_layer,
 692                          unsigned int last_layer);
 693
 694 struct v3d_fence *v3d_fence_create(struct v3d_context *v3d);
 695
 696 void v3d_tf_update_counters(struct v3d_context *v3d);
 697
 698 #ifdef v3dX
 699 #  include "v3dx_context.h"
 700 #else
 701 #  define v3dX(x) v3d33_##x
 702 #  include "v3dx_context.h"
 703 #  undef v3dX
 704
 705 #  define v3dX(x) v3d41_##x
 706 #  include "v3dx_context.h"
 707 #  undef v3dX
 708 #endif
 709
 710 #endif /* VC5_CONTEXT_H */