src/gallium/include/pipe/p_defines.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 VMware, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef PIPE_DEFINES_H
  29 #define PIPE_DEFINES_H
  30
  31 #include "p_compiler.h"
  32
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 /**
  38  * Gallium error codes.
  39  *
  40  * - A zero value always means success.
  41  * - A negative value always means failure.
  42  * - The meaning of a positive value is function dependent.
  43  */
  44 enum pipe_error
  45 {
  46    PIPE_OK = 0,
  47    PIPE_ERROR = -1,    /**< Generic error */
  48    PIPE_ERROR_BAD_INPUT = -2,
  49    PIPE_ERROR_OUT_OF_MEMORY = -3,
  50    PIPE_ERROR_RETRY = -4
  51    /* TODO */
  52 };
  53
  54 enum pipe_blendfactor {
  55    PIPE_BLENDFACTOR_ONE = 1,
  56    PIPE_BLENDFACTOR_SRC_COLOR,
  57    PIPE_BLENDFACTOR_SRC_ALPHA,
  58    PIPE_BLENDFACTOR_DST_ALPHA,
  59    PIPE_BLENDFACTOR_DST_COLOR,
  60    PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE,
  61    PIPE_BLENDFACTOR_CONST_COLOR,
  62    PIPE_BLENDFACTOR_CONST_ALPHA,
  63    PIPE_BLENDFACTOR_SRC1_COLOR,
  64    PIPE_BLENDFACTOR_SRC1_ALPHA,
  65
  66    PIPE_BLENDFACTOR_ZERO = 0x11,
  67    PIPE_BLENDFACTOR_INV_SRC_COLOR,
  68    PIPE_BLENDFACTOR_INV_SRC_ALPHA,
  69    PIPE_BLENDFACTOR_INV_DST_ALPHA,
  70    PIPE_BLENDFACTOR_INV_DST_COLOR,
  71
  72    PIPE_BLENDFACTOR_INV_CONST_COLOR = 0x17,
  73    PIPE_BLENDFACTOR_INV_CONST_ALPHA,
  74    PIPE_BLENDFACTOR_INV_SRC1_COLOR,
  75    PIPE_BLENDFACTOR_INV_SRC1_ALPHA,
  76 };
  77
  78 enum pipe_blend_func {
  79    PIPE_BLEND_ADD,
  80    PIPE_BLEND_SUBTRACT,
  81    PIPE_BLEND_REVERSE_SUBTRACT,
  82    PIPE_BLEND_MIN,
  83    PIPE_BLEND_MAX,
  84 };
  85
  86 enum pipe_logicop {
  87    PIPE_LOGICOP_CLEAR,
  88    PIPE_LOGICOP_NOR,
  89    PIPE_LOGICOP_AND_INVERTED,
  90    PIPE_LOGICOP_COPY_INVERTED,
  91    PIPE_LOGICOP_AND_REVERSE,
  92    PIPE_LOGICOP_INVERT,
  93    PIPE_LOGICOP_XOR,
  94    PIPE_LOGICOP_NAND,
  95    PIPE_LOGICOP_AND,
  96    PIPE_LOGICOP_EQUIV,
  97    PIPE_LOGICOP_NOOP,
  98    PIPE_LOGICOP_OR_INVERTED,
  99    PIPE_LOGICOP_COPY,
 100    PIPE_LOGICOP_OR_REVERSE,
 101    PIPE_LOGICOP_OR,
 102    PIPE_LOGICOP_SET,
 103 };
 104
 105 #define PIPE_MASK_R  0x1
 106 #define PIPE_MASK_G  0x2
 107 #define PIPE_MASK_B  0x4
 108 #define PIPE_MASK_A  0x8
 109 #define PIPE_MASK_RGBA 0xf
 110 #define PIPE_MASK_Z  0x10
 111 #define PIPE_MASK_S  0x20
 112 #define PIPE_MASK_ZS 0x30
 113 #define PIPE_MASK_RGBAZS (PIPE_MASK_RGBA|PIPE_MASK_ZS)
 114
 115
 116 /**
 117  * Inequality functions.  Used for depth test, stencil compare, alpha
 118  * test, shadow compare, etc.
 119  */
 120 enum pipe_compare_func {
 121    PIPE_FUNC_NEVER,
 122    PIPE_FUNC_LESS,
 123    PIPE_FUNC_EQUAL,
 124    PIPE_FUNC_LEQUAL,
 125    PIPE_FUNC_GREATER,
 126    PIPE_FUNC_NOTEQUAL,
 127    PIPE_FUNC_GEQUAL,
 128    PIPE_FUNC_ALWAYS,
 129 };
 130
 131 /** Polygon fill mode */
 132 enum {
 133    PIPE_POLYGON_MODE_FILL,
 134    PIPE_POLYGON_MODE_LINE,
 135    PIPE_POLYGON_MODE_POINT,
 136 };
 137
 138 /** Polygon face specification, eg for culling */
 139 #define PIPE_FACE_NONE           0
 140 #define PIPE_FACE_FRONT          1
 141 #define PIPE_FACE_BACK           2
 142 #define PIPE_FACE_FRONT_AND_BACK (PIPE_FACE_FRONT | PIPE_FACE_BACK)
 143
 144 /** Stencil ops */
 145 enum pipe_stencil_op {
 146    PIPE_STENCIL_OP_KEEP,
 147    PIPE_STENCIL_OP_ZERO,
 148    PIPE_STENCIL_OP_REPLACE,
 149    PIPE_STENCIL_OP_INCR,
 150    PIPE_STENCIL_OP_DECR,
 151    PIPE_STENCIL_OP_INCR_WRAP,
 152    PIPE_STENCIL_OP_DECR_WRAP,
 153    PIPE_STENCIL_OP_INVERT,
 154 };
 155
 156 /** Texture types.
 157  * See the documentation for info on PIPE_TEXTURE_RECT vs PIPE_TEXTURE_2D
 158  */
 159 enum pipe_texture_target
 160 {
 161    PIPE_BUFFER,
 162    PIPE_TEXTURE_1D,
 163    PIPE_TEXTURE_2D,
 164    PIPE_TEXTURE_3D,
 165    PIPE_TEXTURE_CUBE,
 166    PIPE_TEXTURE_RECT,
 167    PIPE_TEXTURE_1D_ARRAY,
 168    PIPE_TEXTURE_2D_ARRAY,
 169    PIPE_TEXTURE_CUBE_ARRAY,
 170    PIPE_MAX_TEXTURE_TYPES,
 171 };
 172
 173 enum pipe_tex_face {
 174    PIPE_TEX_FACE_POS_X,
 175    PIPE_TEX_FACE_NEG_X,
 176    PIPE_TEX_FACE_POS_Y,
 177    PIPE_TEX_FACE_NEG_Y,
 178    PIPE_TEX_FACE_POS_Z,
 179    PIPE_TEX_FACE_NEG_Z,
 180    PIPE_TEX_FACE_MAX,
 181 };
 182
 183 enum pipe_tex_wrap {
 184    PIPE_TEX_WRAP_REPEAT,
 185    PIPE_TEX_WRAP_CLAMP,
 186    PIPE_TEX_WRAP_CLAMP_TO_EDGE,
 187    PIPE_TEX_WRAP_CLAMP_TO_BORDER,
 188    PIPE_TEX_WRAP_MIRROR_REPEAT,
 189    PIPE_TEX_WRAP_MIRROR_CLAMP,
 190    PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE,
 191    PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER,
 192 };
 193
 194 /** Between mipmaps, ie mipfilter */
 195 enum pipe_tex_mipfilter {
 196    PIPE_TEX_MIPFILTER_NEAREST,
 197    PIPE_TEX_MIPFILTER_LINEAR,
 198    PIPE_TEX_MIPFILTER_NONE,
 199 };
 200
 201 /** Within a mipmap, ie min/mag filter */
 202 enum pipe_tex_filter {
 203    PIPE_TEX_FILTER_NEAREST,
 204    PIPE_TEX_FILTER_LINEAR,
 205 };
 206
 207 enum pipe_tex_compare {
 208    PIPE_TEX_COMPARE_NONE,
 209    PIPE_TEX_COMPARE_R_TO_TEXTURE,
 210 };
 211
 212 /**
 213  * Clear buffer bits
 214  */
 215 #define PIPE_CLEAR_DEPTH        (1 << 0)
 216 #define PIPE_CLEAR_STENCIL      (1 << 1)
 217 #define PIPE_CLEAR_COLOR0       (1 << 2)
 218 #define PIPE_CLEAR_COLOR1       (1 << 3)
 219 #define PIPE_CLEAR_COLOR2       (1 << 4)
 220 #define PIPE_CLEAR_COLOR3       (1 << 5)
 221 #define PIPE_CLEAR_COLOR4       (1 << 6)
 222 #define PIPE_CLEAR_COLOR5       (1 << 7)
 223 #define PIPE_CLEAR_COLOR6       (1 << 8)
 224 #define PIPE_CLEAR_COLOR7       (1 << 9)
 225 /** Combined flags */
 226 /** All color buffers currently bound */
 227 #define PIPE_CLEAR_COLOR        (PIPE_CLEAR_COLOR0 | PIPE_CLEAR_COLOR1 | \
 228                                  PIPE_CLEAR_COLOR2 | PIPE_CLEAR_COLOR3 | \
 229                                  PIPE_CLEAR_COLOR4 | PIPE_CLEAR_COLOR5 | \
 230                                  PIPE_CLEAR_COLOR6 | PIPE_CLEAR_COLOR7)
 231 #define PIPE_CLEAR_DEPTHSTENCIL (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)
 232
 233 /**
 234  * Transfer object usage flags
 235  */
 236 enum pipe_transfer_usage
 237 {
 238    /**
 239     * Resource contents read back (or accessed directly) at transfer
 240     * create time.
 241     */
 242    PIPE_TRANSFER_READ = (1 << 0),
 243
 244    /**
 245     * Resource contents will be written back at transfer_unmap
 246     * time (or modified as a result of being accessed directly).
 247     */
 248    PIPE_TRANSFER_WRITE = (1 << 1),
 249
 250    /**
 251     * Read/modify/write
 252     */
 253    PIPE_TRANSFER_READ_WRITE = PIPE_TRANSFER_READ | PIPE_TRANSFER_WRITE,
 254
 255    /**
 256     * The transfer should map the texture storage directly. The driver may
 257     * return NULL if that isn't possible, and the state tracker needs to cope
 258     * with that and use an alternative path without this flag.
 259     *
 260     * E.g. the state tracker could have a simpler path which maps textures and
 261     * does read/modify/write cycles on them directly, and a more complicated
 262     * path which uses minimal read and write transfers.
 263     */
 264    PIPE_TRANSFER_MAP_DIRECTLY = (1 << 2),
 265
 266    /**
 267     * Discards the memory within the mapped region.
 268     *
 269     * It should not be used with PIPE_TRANSFER_READ.
 270     *
 271     * See also:
 272     * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_RANGE_BIT flag.
 273     */
 274    PIPE_TRANSFER_DISCARD_RANGE = (1 << 8),
 275
 276    /**
 277     * Fail if the resource cannot be mapped immediately.
 278     *
 279     * See also:
 280     * - Direct3D's D3DLOCK_DONOTWAIT flag.
 281     * - Mesa's MESA_MAP_NOWAIT_BIT flag.
 282     * - WDDM's D3DDDICB_LOCKFLAGS.DonotWait flag.
 283     */
 284    PIPE_TRANSFER_DONTBLOCK = (1 << 9),
 285
 286    /**
 287     * Do not attempt to synchronize pending operations on the resource when mapping.
 288     *
 289     * It should not be used with PIPE_TRANSFER_READ.
 290     *
 291     * See also:
 292     * - OpenGL's ARB_map_buffer_range extension, MAP_UNSYNCHRONIZED_BIT flag.
 293     * - Direct3D's D3DLOCK_NOOVERWRITE flag.
 294     * - WDDM's D3DDDICB_LOCKFLAGS.IgnoreSync flag.
 295     */
 296    PIPE_TRANSFER_UNSYNCHRONIZED = (1 << 10),
 297
 298    /**
 299     * Written ranges will be notified later with
 300     * pipe_context::transfer_flush_region.
 301     *
 302     * It should not be used with PIPE_TRANSFER_READ.
 303     *
 304     * See also:
 305     * - pipe_context::transfer_flush_region
 306     * - OpenGL's ARB_map_buffer_range extension, MAP_FLUSH_EXPLICIT_BIT flag.
 307     */
 308    PIPE_TRANSFER_FLUSH_EXPLICIT = (1 << 11),
 309
 310    /**
 311     * Discards all memory backing the resource.
 312     *
 313     * It should not be used with PIPE_TRANSFER_READ.
 314     *
 315     * This is equivalent to:
 316     * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_BUFFER_BIT
 317     * - BufferData(NULL) on a GL buffer
 318     * - Direct3D's D3DLOCK_DISCARD flag.
 319     * - WDDM's D3DDDICB_LOCKFLAGS.Discard flag.
 320     * - D3D10 DDI's D3D10_DDI_MAP_WRITE_DISCARD flag
 321     * - D3D10's D3D10_MAP_WRITE_DISCARD flag.
 322     */
 323    PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE = (1 << 12),
 324
 325    /**
 326     * Allows the resource to be used for rendering while mapped.
 327     *
 328     * PIPE_RESOURCE_FLAG_MAP_PERSISTENT must be set when creating
 329     * the resource.
 330     *
 331     * If COHERENT is not set, memory_barrier(PIPE_BARRIER_MAPPED_BUFFER)
 332     * must be called to ensure the device can see what the CPU has written.
 333     */
 334    PIPE_TRANSFER_PERSISTENT = (1 << 13),
 335
 336    /**
 337     * If PERSISTENT is set, this ensures any writes done by the device are
 338     * immediately visible to the CPU and vice versa.
 339     *
 340     * PIPE_RESOURCE_FLAG_MAP_COHERENT must be set when creating
 341     * the resource.
 342     */
 343    PIPE_TRANSFER_COHERENT = (1 << 14)
 344 };
 345
 346 /**
 347  * Flags for the flush function.
 348  */
 349 enum pipe_flush_flags
 350 {
 351    PIPE_FLUSH_END_OF_FRAME = (1 << 0),
 352    PIPE_FLUSH_DEFERRED = (1 << 1),
 353    PIPE_FLUSH_FENCE_FD = (1 << 2),
 354 };
 355
 356 /**
 357  * Flags for pipe_context::dump_debug_state.
 358  */
 359 #define PIPE_DUMP_DEVICE_STATUS_REGISTERS    (1 << 0)
 360 #define PIPE_DUMP_CURRENT_STATES             (1 << 1)
 361 #define PIPE_DUMP_CURRENT_SHADERS            (1 << 2)
 362 #define PIPE_DUMP_LAST_COMMAND_BUFFER        (1 << 3)
 363
 364 /**
 365  * Create a compute-only context. Use in pipe_screen::context_create.
 366  * This disables draw, blit, and clear*, render_condition, and other graphics
 367  * functions. Interop with other graphics contexts is still allowed.
 368  * This allows scheduling jobs on a compute-only hardware command queue that
 369  * can run in parallel with graphics without stalling it.
 370  */
 371 #define PIPE_CONTEXT_COMPUTE_ONLY      (1 << 0)
 372
 373 /**
 374  * Gather debug information and expect that pipe_context::dump_debug_state
 375  * will be called. Use in pipe_screen::context_create.
 376  */
 377 #define PIPE_CONTEXT_DEBUG             (1 << 1)
 378
 379 /**
 380  * Whether out-of-bounds shader loads must return zero and out-of-bounds
 381  * shader stores must be dropped.
 382  */
 383 #define PIPE_CONTEXT_ROBUST_BUFFER_ACCESS (1 << 2)
 384
 385 /**
 386  * Flags for pipe_context::memory_barrier.
 387  */
 388 #define PIPE_BARRIER_MAPPED_BUFFER     (1 << 0)
 389 #define PIPE_BARRIER_SHADER_BUFFER     (1 << 1)
 390 #define PIPE_BARRIER_QUERY_BUFFER      (1 << 2)
 391 #define PIPE_BARRIER_VERTEX_BUFFER     (1 << 3)
 392 #define PIPE_BARRIER_INDEX_BUFFER      (1 << 4)
 393 #define PIPE_BARRIER_CONSTANT_BUFFER   (1 << 5)
 394 #define PIPE_BARRIER_INDIRECT_BUFFER   (1 << 6)
 395 #define PIPE_BARRIER_TEXTURE           (1 << 7)
 396 #define PIPE_BARRIER_IMAGE             (1 << 8)
 397 #define PIPE_BARRIER_FRAMEBUFFER       (1 << 9)
 398 #define PIPE_BARRIER_STREAMOUT_BUFFER  (1 << 10)
 399 #define PIPE_BARRIER_GLOBAL_BUFFER     (1 << 11)
 400 #define PIPE_BARRIER_ALL               ((1 << 12) - 1)
 401
 402 /**
 403  * Resource binding flags -- state tracker must specify in advance all
 404  * the ways a resource might be used.
 405  */
 406 #define PIPE_BIND_DEPTH_STENCIL        (1 << 0) /* create_surface */
 407 #define PIPE_BIND_RENDER_TARGET        (1 << 1) /* create_surface */
 408 #define PIPE_BIND_BLENDABLE            (1 << 2) /* create_surface */
 409 #define PIPE_BIND_SAMPLER_VIEW         (1 << 3) /* create_sampler_view */
 410 #define PIPE_BIND_VERTEX_BUFFER        (1 << 4) /* set_vertex_buffers */
 411 #define PIPE_BIND_INDEX_BUFFER         (1 << 5) /* draw_elements */
 412 #define PIPE_BIND_CONSTANT_BUFFER      (1 << 6) /* set_constant_buffer */
 413 #define PIPE_BIND_DISPLAY_TARGET       (1 << 7) /* flush_front_buffer */
 414 /* gap */
 415 #define PIPE_BIND_STREAM_OUTPUT        (1 << 10) /* set_stream_output_buffers */
 416 #define PIPE_BIND_CURSOR               (1 << 11) /* mouse cursor */
 417 #define PIPE_BIND_CUSTOM               (1 << 12) /* state-tracker/winsys usages */
 418 #define PIPE_BIND_GLOBAL               (1 << 13) /* set_global_binding */
 419 #define PIPE_BIND_SHADER_BUFFER        (1 << 14) /* set_shader_buffers */
 420 #define PIPE_BIND_SHADER_IMAGE         (1 << 15) /* set_shader_images */
 421 #define PIPE_BIND_COMPUTE_RESOURCE     (1 << 16) /* set_compute_resources */
 422 #define PIPE_BIND_COMMAND_ARGS_BUFFER  (1 << 17) /* pipe_draw_info.indirect */
 423 #define PIPE_BIND_QUERY_BUFFER         (1 << 18) /* get_query_result_resource */
 424
 425 /**
 426  * The first two flags above were previously part of the amorphous
 427  * TEXTURE_USAGE, most of which are now descriptions of the ways a
 428  * particular texture can be bound to the gallium pipeline.  The two flags
 429  * below do not fit within that and probably need to be migrated to some
 430  * other place.
 431  *
 432  * It seems like scanout is used by the Xorg state tracker to ask for
 433  * a texture suitable for actual scanout (hence the name), which
 434  * implies extra layout constraints on some hardware.  It may also
 435  * have some special meaning regarding mouse cursor images.
 436  *
 437  * The shared flag is quite underspecified, but certainly isn't a
 438  * binding flag - it seems more like a message to the winsys to create
 439  * a shareable allocation.
 440  *
 441  * The third flag has been added to be able to force textures to be created
 442  * in linear mode (no tiling).
 443  */
 444 #define PIPE_BIND_SCANOUT     (1 << 19) /*  */
 445 #define PIPE_BIND_SHARED      (1 << 20) /* get_texture_handle ??? */
 446 #define PIPE_BIND_LINEAR      (1 << 21)
 447
 448
 449 /**
 450  * Flags for the driver about resource behaviour:
 451  */
 452 #define PIPE_RESOURCE_FLAG_MAP_PERSISTENT (1 << 0)
 453 #define PIPE_RESOURCE_FLAG_MAP_COHERENT   (1 << 1)
 454 #define PIPE_RESOURCE_FLAG_TEXTURING_MORE_LIKELY (1 << 2)
 455 #define PIPE_RESOURCE_FLAG_DRV_PRIV    (1 << 16) /* driver/winsys private */
 456 #define PIPE_RESOURCE_FLAG_ST_PRIV     (1 << 24) /* state-tracker/winsys private */
 457
 458 /**
 459  * Hint about the expected lifecycle of a resource.
 460  * Sorted according to GPU vs CPU access.
 461  */
 462 enum pipe_resource_usage {
 463    PIPE_USAGE_DEFAULT,        /* fast GPU access */
 464    PIPE_USAGE_IMMUTABLE,      /* fast GPU access, immutable */
 465    PIPE_USAGE_DYNAMIC,        /* uploaded data is used multiple times */
 466    PIPE_USAGE_STREAM,         /* uploaded data is used once */
 467    PIPE_USAGE_STAGING,        /* fast CPU access */
 468 };
 469
 470 /**
 471  * Shaders
 472  */
 473 enum pipe_shader_type {
 474    PIPE_SHADER_VERTEX,
 475    PIPE_SHADER_FRAGMENT,
 476    PIPE_SHADER_GEOMETRY,
 477    PIPE_SHADER_TESS_CTRL,
 478    PIPE_SHADER_TESS_EVAL,
 479    PIPE_SHADER_COMPUTE,
 480    PIPE_SHADER_TYPES,
 481 };
 482
 483 /**
 484  * Primitive types:
 485  */
 486 enum pipe_prim_type {
 487    PIPE_PRIM_POINTS,
 488    PIPE_PRIM_LINES,
 489    PIPE_PRIM_LINE_LOOP,
 490    PIPE_PRIM_LINE_STRIP,
 491    PIPE_PRIM_TRIANGLES,
 492    PIPE_PRIM_TRIANGLE_STRIP,
 493    PIPE_PRIM_TRIANGLE_FAN,
 494    PIPE_PRIM_QUADS,
 495    PIPE_PRIM_QUAD_STRIP,
 496    PIPE_PRIM_POLYGON,
 497    PIPE_PRIM_LINES_ADJACENCY,
 498    PIPE_PRIM_LINE_STRIP_ADJACENCY,
 499    PIPE_PRIM_TRIANGLES_ADJACENCY,
 500    PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY,
 501    PIPE_PRIM_PATCHES,
 502    PIPE_PRIM_MAX,
 503 };
 504
 505 /**
 506  * Tessellator spacing types
 507  */
 508 enum pipe_tess_spacing {
 509    PIPE_TESS_SPACING_FRACTIONAL_ODD,
 510    PIPE_TESS_SPACING_FRACTIONAL_EVEN,
 511    PIPE_TESS_SPACING_EQUAL,
 512 };
 513
 514 /**
 515  * Query object types
 516  */
 517 enum pipe_query_type {
 518    PIPE_QUERY_OCCLUSION_COUNTER,
 519    PIPE_QUERY_OCCLUSION_PREDICATE,
 520    PIPE_QUERY_TIMESTAMP,
 521    PIPE_QUERY_TIMESTAMP_DISJOINT,
 522    PIPE_QUERY_TIME_ELAPSED,
 523    PIPE_QUERY_PRIMITIVES_GENERATED,
 524    PIPE_QUERY_PRIMITIVES_EMITTED,
 525    PIPE_QUERY_SO_STATISTICS,
 526    PIPE_QUERY_SO_OVERFLOW_PREDICATE,
 527    PIPE_QUERY_GPU_FINISHED,
 528    PIPE_QUERY_PIPELINE_STATISTICS,
 529    PIPE_QUERY_TYPES,
 530    /* start of driver queries, see pipe_screen::get_driver_query_info */
 531    PIPE_QUERY_DRIVER_SPECIFIC = 256,
 532 };
 533
 534 /**
 535  * Conditional rendering modes
 536  */
 537 enum pipe_render_cond_flag {
 538    PIPE_RENDER_COND_WAIT,
 539    PIPE_RENDER_COND_NO_WAIT,
 540    PIPE_RENDER_COND_BY_REGION_WAIT,
 541    PIPE_RENDER_COND_BY_REGION_NO_WAIT,
 542 };
 543
 544 /**
 545  * Point sprite coord modes
 546  */
 547 enum pipe_sprite_coord_mode {
 548    PIPE_SPRITE_COORD_UPPER_LEFT,
 549    PIPE_SPRITE_COORD_LOWER_LEFT,
 550 };
 551
 552 /**
 553  * Texture & format swizzles
 554  */
 555 enum pipe_swizzle {
 556    PIPE_SWIZZLE_X,
 557    PIPE_SWIZZLE_Y,
 558    PIPE_SWIZZLE_Z,
 559    PIPE_SWIZZLE_W,
 560    PIPE_SWIZZLE_0,
 561    PIPE_SWIZZLE_1,
 562    PIPE_SWIZZLE_NONE,
 563    PIPE_SWIZZLE_MAX, /**< Number of enums counter (must be last) */
 564 };
 565
 566 #define PIPE_TIMEOUT_INFINITE 0xffffffffffffffffull
 567
 568
 569 /**
 570  * Device reset status.
 571  */
 572 enum pipe_reset_status
 573 {
 574    PIPE_NO_RESET,
 575    PIPE_GUILTY_CONTEXT_RESET,
 576    PIPE_INNOCENT_CONTEXT_RESET,
 577    PIPE_UNKNOWN_CONTEXT_RESET,
 578 };
 579
 580
 581 /**
 582  * resource_get_handle flags.
 583  */
 584 /* Requires pipe_context::flush_resource before external use. */
 585 #define PIPE_HANDLE_USAGE_EXPLICIT_FLUSH  (1 << 0)
 586 /* Expected external use of the resource: */
 587 #define PIPE_HANDLE_USAGE_READ            (1 << 1)
 588 #define PIPE_HANDLE_USAGE_WRITE           (1 << 2)
 589 #define PIPE_HANDLE_USAGE_READ_WRITE      (PIPE_HANDLE_USAGE_READ | \
 590                                            PIPE_HANDLE_USAGE_WRITE)
 591
 592 /**
 593  * pipe_image_view access flags.
 594  */
 595 #define PIPE_IMAGE_ACCESS_READ       (1 << 0)
 596 #define PIPE_IMAGE_ACCESS_WRITE      (1 << 1)
 597 #define PIPE_IMAGE_ACCESS_READ_WRITE (PIPE_IMAGE_ACCESS_READ | \
 598                                       PIPE_IMAGE_ACCESS_WRITE)
 599
 600 /**
 601  * Implementation capabilities/limits which are queried through
 602  * pipe_screen::get_param()
 603  */
 604 enum pipe_cap
 605 {
 606    PIPE_CAP_NPOT_TEXTURES,
 607    PIPE_CAP_TWO_SIDED_STENCIL,
 608    PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS,
 609    PIPE_CAP_ANISOTROPIC_FILTER,
 610    PIPE_CAP_POINT_SPRITE,
 611    PIPE_CAP_MAX_RENDER_TARGETS,
 612    PIPE_CAP_OCCLUSION_QUERY,
 613    PIPE_CAP_QUERY_TIME_ELAPSED,
 614    PIPE_CAP_TEXTURE_SHADOW_MAP,
 615    PIPE_CAP_TEXTURE_SWIZZLE,
 616    PIPE_CAP_MAX_TEXTURE_2D_LEVELS,
 617    PIPE_CAP_MAX_TEXTURE_3D_LEVELS,
 618    PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS,
 619    PIPE_CAP_TEXTURE_MIRROR_CLAMP,
 620    PIPE_CAP_BLEND_EQUATION_SEPARATE,
 621    PIPE_CAP_SM3,
 622    PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS,
 623    PIPE_CAP_PRIMITIVE_RESTART,
 624    /** blend enables and write masks per rendertarget */
 625    PIPE_CAP_INDEP_BLEND_ENABLE,
 626    /** different blend funcs per rendertarget */
 627    PIPE_CAP_INDEP_BLEND_FUNC,
 628    PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS,
 629    PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT,
 630    PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
 631    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
 632    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
 633    PIPE_CAP_DEPTH_CLIP_DISABLE,
 634    PIPE_CAP_SHADER_STENCIL_EXPORT,
 635    PIPE_CAP_TGSI_INSTANCEID,
 636    PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR,
 637    PIPE_CAP_FRAGMENT_COLOR_CLAMPED,
 638    PIPE_CAP_MIXED_COLORBUFFER_FORMATS,
 639    PIPE_CAP_SEAMLESS_CUBE_MAP,
 640    PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE,
 641    PIPE_CAP_MIN_TEXEL_OFFSET,
 642    PIPE_CAP_MAX_TEXEL_OFFSET,
 643    PIPE_CAP_CONDITIONAL_RENDER,
 644    PIPE_CAP_TEXTURE_BARRIER,
 645    PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS,
 646    PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS,
 647    PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME,
 648    PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS,
 649    PIPE_CAP_VERTEX_COLOR_UNCLAMPED,
 650    PIPE_CAP_VERTEX_COLOR_CLAMPED,
 651    PIPE_CAP_GLSL_FEATURE_LEVEL,
 652    PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION,
 653    PIPE_CAP_USER_VERTEX_BUFFERS,
 654    PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY,
 655    PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY,
 656    PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY,
 657    PIPE_CAP_COMPUTE,
 658    PIPE_CAP_USER_INDEX_BUFFERS,
 659    PIPE_CAP_USER_CONSTANT_BUFFERS,
 660    PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT,
 661    PIPE_CAP_START_INSTANCE,
 662    PIPE_CAP_QUERY_TIMESTAMP,
 663    PIPE_CAP_TEXTURE_MULTISAMPLE,
 664    PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT,
 665    PIPE_CAP_CUBE_MAP_ARRAY,
 666    PIPE_CAP_TEXTURE_BUFFER_OBJECTS,
 667    PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT,
 668    PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY,
 669    PIPE_CAP_TGSI_TEXCOORD,
 670    PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER,
 671    PIPE_CAP_QUERY_PIPELINE_STATISTICS,
 672    PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK,
 673    PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE,
 674    PIPE_CAP_MAX_VIEWPORTS,
 675    PIPE_CAP_ENDIANNESS,
 676    PIPE_CAP_MIXED_FRAMEBUFFER_SIZES,
 677    PIPE_CAP_TGSI_VS_LAYER_VIEWPORT,
 678    PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES,
 679    PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS,
 680    PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS,
 681    PIPE_CAP_TEXTURE_GATHER_SM5,
 682    PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT,
 683    PIPE_CAP_FAKE_SW_MSAA,
 684    PIPE_CAP_TEXTURE_QUERY_LOD,
 685    PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET,
 686    PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET,
 687    PIPE_CAP_SAMPLE_SHADING,
 688    PIPE_CAP_TEXTURE_GATHER_OFFSETS,
 689    PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION,
 690    PIPE_CAP_MAX_VERTEX_STREAMS,
 691    PIPE_CAP_DRAW_INDIRECT,
 692    PIPE_CAP_TGSI_FS_FINE_DERIVATIVE,
 693    PIPE_CAP_VENDOR_ID,
 694    PIPE_CAP_DEVICE_ID,
 695    PIPE_CAP_ACCELERATED,
 696    PIPE_CAP_VIDEO_MEMORY,
 697    PIPE_CAP_UMA,
 698    PIPE_CAP_CONDITIONAL_RENDER_INVERTED,
 699    PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE,
 700    PIPE_CAP_SAMPLER_VIEW_TARGET,
 701    PIPE_CAP_CLIP_HALFZ,
 702    PIPE_CAP_VERTEXID_NOBASE,
 703    PIPE_CAP_POLYGON_OFFSET_CLAMP,
 704    PIPE_CAP_MULTISAMPLE_Z_RESOLVE,
 705    PIPE_CAP_RESOURCE_FROM_USER_MEMORY,
 706    PIPE_CAP_DEVICE_RESET_STATUS_QUERY,
 707    PIPE_CAP_MAX_SHADER_PATCH_VARYINGS,
 708    PIPE_CAP_TEXTURE_FLOAT_LINEAR,
 709    PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR,
 710    PIPE_CAP_DEPTH_BOUNDS_TEST,
 711    PIPE_CAP_TGSI_TXQS,
 712    PIPE_CAP_FORCE_PERSAMPLE_INTERP,
 713    PIPE_CAP_SHAREABLE_SHADERS,
 714    PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS,
 715    PIPE_CAP_CLEAR_TEXTURE,
 716    PIPE_CAP_DRAW_PARAMETERS,
 717    PIPE_CAP_TGSI_PACK_HALF_FLOAT,
 718    PIPE_CAP_MULTI_DRAW_INDIRECT,
 719    PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS,
 720    PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL,
 721    PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL,
 722    PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT,
 723    PIPE_CAP_INVALIDATE_BUFFER,
 724    PIPE_CAP_GENERATE_MIPMAP,
 725    PIPE_CAP_STRING_MARKER,
 726    PIPE_CAP_SURFACE_REINTERPRET_BLOCKS,
 727    PIPE_CAP_QUERY_BUFFER_OBJECT,
 728    PIPE_CAP_QUERY_MEMORY_INFO,
 729    PIPE_CAP_PCI_GROUP,
 730    PIPE_CAP_PCI_BUS,
 731    PIPE_CAP_PCI_DEVICE,
 732    PIPE_CAP_PCI_FUNCTION,
 733    PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT,
 734    PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR,
 735    PIPE_CAP_CULL_DISTANCE,
 736    PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES,
 737    PIPE_CAP_TGSI_VOTE,
 738    PIPE_CAP_MAX_WINDOW_RECTANGLES,
 739    PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED,
 740    PIPE_CAP_VIEWPORT_SUBPIXEL_BITS,
 741    PIPE_CAP_MIXED_COLOR_DEPTH_BITS,
 742    PIPE_CAP_TGSI_ARRAY_COMPONENTS,
 743    PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS,
 744    PIPE_CAP_TGSI_CAN_READ_OUTPUTS,
 745    PIPE_CAP_NATIVE_FENCE_FD,
 746    PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY,
 747 };
 748
 749 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
 750 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600 (1 << 1)
 751
 752 enum pipe_endian
 753 {
 754    PIPE_ENDIAN_LITTLE = 0,
 755    PIPE_ENDIAN_BIG = 1,
 756 #if defined(PIPE_ARCH_LITTLE_ENDIAN)
 757    PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_LITTLE
 758 #elif defined(PIPE_ARCH_BIG_ENDIAN)
 759    PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_BIG
 760 #endif
 761 };
 762
 763 /**
 764  * Implementation limits which are queried through
 765  * pipe_screen::get_paramf()
 766  */
 767 enum pipe_capf
 768 {
 769    PIPE_CAPF_MAX_LINE_WIDTH,
 770    PIPE_CAPF_MAX_LINE_WIDTH_AA,
 771    PIPE_CAPF_MAX_POINT_WIDTH,
 772    PIPE_CAPF_MAX_POINT_WIDTH_AA,
 773    PIPE_CAPF_MAX_TEXTURE_ANISOTROPY,
 774    PIPE_CAPF_MAX_TEXTURE_LOD_BIAS,
 775    PIPE_CAPF_GUARD_BAND_LEFT,
 776    PIPE_CAPF_GUARD_BAND_TOP,
 777    PIPE_CAPF_GUARD_BAND_RIGHT,
 778    PIPE_CAPF_GUARD_BAND_BOTTOM
 779 };
 780
 781 /** Shader caps not specific to any single stage */
 782 enum pipe_shader_cap
 783 {
 784    PIPE_SHADER_CAP_MAX_INSTRUCTIONS, /* if 0, it means the stage is unsupported */
 785    PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS,
 786    PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS,
 787    PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS,
 788    PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH,
 789    PIPE_SHADER_CAP_MAX_INPUTS,
 790    PIPE_SHADER_CAP_MAX_OUTPUTS,
 791    PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE,
 792    PIPE_SHADER_CAP_MAX_CONST_BUFFERS,
 793    PIPE_SHADER_CAP_MAX_TEMPS,
 794    PIPE_SHADER_CAP_MAX_PREDS,
 795    /* boolean caps */
 796    PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED,
 797    PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR,
 798    PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR,
 799    PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR,
 800    PIPE_SHADER_CAP_INDIRECT_CONST_ADDR,
 801    PIPE_SHADER_CAP_SUBROUTINES, /* BGNSUB, ENDSUB, CAL, RET */
 802    PIPE_SHADER_CAP_INTEGERS,
 803    PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS,
 804    PIPE_SHADER_CAP_PREFERRED_IR,
 805    PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED,
 806    PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS,
 807    PIPE_SHADER_CAP_DOUBLES,
 808    PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED, /* all rounding modes */
 809    PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED,
 810    PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED,
 811    PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE,
 812    PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT,
 813    PIPE_SHADER_CAP_MAX_SHADER_BUFFERS,
 814    PIPE_SHADER_CAP_SUPPORTED_IRS,
 815    PIPE_SHADER_CAP_MAX_SHADER_IMAGES,
 816    PIPE_SHADER_CAP_LOWER_IF_THRESHOLD,
 817 };
 818
 819 /**
 820  * Shader intermediate representation.
 821  *
 822  * Note that if the driver requests something other than TGSI, it must
 823  * always be prepared to receive TGSI in addition to its preferred IR.
 824  * If the driver requests TGSI as its preferred IR, it will *always*
 825  * get TGSI.
 826  *
 827  * Note that PIPE_SHADER_IR_TGSI should be zero for backwards compat with
 828  * state trackers that only understand TGSI.
 829  */
 830 enum pipe_shader_ir
 831 {
 832    PIPE_SHADER_IR_TGSI = 0,
 833    PIPE_SHADER_IR_LLVM,
 834    PIPE_SHADER_IR_NATIVE,
 835    PIPE_SHADER_IR_NIR,
 836 };
 837
 838 /**
 839  * Compute-specific implementation capability.  They can be queried
 840  * using pipe_screen::get_compute_param.
 841  */
 842 enum pipe_compute_cap
 843 {
 844    PIPE_COMPUTE_CAP_ADDRESS_BITS,
 845    PIPE_COMPUTE_CAP_IR_TARGET,
 846    PIPE_COMPUTE_CAP_GRID_DIMENSION,
 847    PIPE_COMPUTE_CAP_MAX_GRID_SIZE,
 848    PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE,
 849    PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK,
 850    PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE,
 851    PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE,
 852    PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE,
 853    PIPE_COMPUTE_CAP_MAX_INPUT_SIZE,
 854    PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
 855    PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY,
 856    PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS,
 857    PIPE_COMPUTE_CAP_IMAGES_SUPPORTED,
 858    PIPE_COMPUTE_CAP_SUBGROUP_SIZE,
 859    PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK,
 860 };
 861
 862 /**
 863  * Composite query types
 864  */
 865
 866 /**
 867  * Query result for PIPE_QUERY_SO_STATISTICS.
 868  */
 869 struct pipe_query_data_so_statistics
 870 {
 871    uint64_t num_primitives_written;
 872    uint64_t primitives_storage_needed;
 873 };
 874
 875 /**
 876  * Query result for PIPE_QUERY_TIMESTAMP_DISJOINT.
 877  */
 878 struct pipe_query_data_timestamp_disjoint
 879 {
 880    uint64_t frequency;
 881    boolean  disjoint;
 882 };
 883
 884 /**
 885  * Query result for PIPE_QUERY_PIPELINE_STATISTICS.
 886  */
 887 struct pipe_query_data_pipeline_statistics
 888 {
 889    uint64_t ia_vertices;    /**< Num vertices read by the vertex fetcher. */
 890    uint64_t ia_primitives;  /**< Num primitives read by the vertex fetcher. */
 891    uint64_t vs_invocations; /**< Num vertex shader invocations. */
 892    uint64_t gs_invocations; /**< Num geometry shader invocations. */
 893    uint64_t gs_primitives;  /**< Num primitives output by a geometry shader. */
 894    uint64_t c_invocations;  /**< Num primitives sent to the rasterizer. */
 895    uint64_t c_primitives;   /**< Num primitives that were rendered. */
 896    uint64_t ps_invocations; /**< Num pixel shader invocations. */
 897    uint64_t hs_invocations; /**< Num hull shader invocations. */
 898    uint64_t ds_invocations; /**< Num domain shader invocations. */
 899    uint64_t cs_invocations; /**< Num compute shader invocations. */
 900 };
 901
 902 /**
 903  * For batch queries.
 904  */
 905 union pipe_numeric_type_union
 906 {
 907    uint64_t u64;
 908    uint32_t u32;
 909    float f;
 910 };
 911
 912 /**
 913  * Query result (returned by pipe_context::get_query_result).
 914  */
 915 union pipe_query_result
 916 {
 917    /* PIPE_QUERY_OCCLUSION_PREDICATE */
 918    /* PIPE_QUERY_SO_OVERFLOW_PREDICATE */
 919    /* PIPE_QUERY_GPU_FINISHED */
 920    boolean b;
 921
 922    /* PIPE_QUERY_OCCLUSION_COUNTER */
 923    /* PIPE_QUERY_TIMESTAMP */
 924    /* PIPE_QUERY_TIME_ELAPSED */
 925    /* PIPE_QUERY_PRIMITIVES_GENERATED */
 926    /* PIPE_QUERY_PRIMITIVES_EMITTED */
 927    /* PIPE_DRIVER_QUERY_TYPE_UINT64 */
 928    /* PIPE_DRIVER_QUERY_TYPE_BYTES */
 929    /* PIPE_DRIVER_QUERY_TYPE_MICROSECONDS */
 930    /* PIPE_DRIVER_QUERY_TYPE_HZ */
 931    uint64_t u64;
 932
 933    /* PIPE_DRIVER_QUERY_TYPE_UINT */
 934    uint32_t u32;
 935
 936    /* PIPE_DRIVER_QUERY_TYPE_FLOAT */
 937    /* PIPE_DRIVER_QUERY_TYPE_PERCENTAGE */
 938    float f;
 939
 940    /* PIPE_QUERY_SO_STATISTICS */
 941    struct pipe_query_data_so_statistics so_statistics;
 942
 943    /* PIPE_QUERY_TIMESTAMP_DISJOINT */
 944    struct pipe_query_data_timestamp_disjoint timestamp_disjoint;
 945
 946    /* PIPE_QUERY_PIPELINE_STATISTICS */
 947    struct pipe_query_data_pipeline_statistics pipeline_statistics;
 948
 949    /* batch queries (variable length) */
 950    union pipe_numeric_type_union batch[1];
 951 };
 952
 953 enum pipe_query_value_type
 954 {
 955    PIPE_QUERY_TYPE_I32,
 956    PIPE_QUERY_TYPE_U32,
 957    PIPE_QUERY_TYPE_I64,
 958    PIPE_QUERY_TYPE_U64,
 959 };
 960
 961 union pipe_color_union
 962 {
 963    float f[4];
 964    int i[4];
 965    unsigned int ui[4];
 966 };
 967
 968 enum pipe_driver_query_type
 969 {
 970    PIPE_DRIVER_QUERY_TYPE_UINT64,
 971    PIPE_DRIVER_QUERY_TYPE_UINT,
 972    PIPE_DRIVER_QUERY_TYPE_FLOAT,
 973    PIPE_DRIVER_QUERY_TYPE_PERCENTAGE,
 974    PIPE_DRIVER_QUERY_TYPE_BYTES,
 975    PIPE_DRIVER_QUERY_TYPE_MICROSECONDS,
 976    PIPE_DRIVER_QUERY_TYPE_HZ,
 977    PIPE_DRIVER_QUERY_TYPE_DBM,
 978    PIPE_DRIVER_QUERY_TYPE_TEMPERATURE,
 979    PIPE_DRIVER_QUERY_TYPE_VOLTS,
 980    PIPE_DRIVER_QUERY_TYPE_AMPS,
 981    PIPE_DRIVER_QUERY_TYPE_WATTS,
 982 };
 983
 984 /* Whether an average value per frame or a cumulative value should be
 985  * displayed.
 986  */
 987 enum pipe_driver_query_result_type
 988 {
 989    PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE,
 990    PIPE_DRIVER_QUERY_RESULT_TYPE_CUMULATIVE,
 991 };
 992
 993 /**
 994  * Some hardware requires some hardware-specific queries to be submitted
 995  * as batched queries. The corresponding query objects are created using
 996  * create_batch_query, and at most one such query may be active at
 997  * any time.
 998  */
 999 #define PIPE_DRIVER_QUERY_FLAG_BATCH     (1 << 0)
1000
1001 /* Do not list this query in the HUD. */
1002 #define PIPE_DRIVER_QUERY_FLAG_DONT_LIST (1 << 1)
1003
1004 struct pipe_driver_query_info
1005 {
1006    const char *name;
1007    unsigned query_type; /* PIPE_QUERY_DRIVER_SPECIFIC + i */
1008    union pipe_numeric_type_union max_value; /* max value that can be returned */
1009    enum pipe_driver_query_type type;
1010    enum pipe_driver_query_result_type result_type;
1011    unsigned group_id;
1012    unsigned flags;
1013 };
1014
1015 struct pipe_driver_query_group_info
1016 {
1017    const char *name;
1018    unsigned max_active_queries;
1019    unsigned num_queries;
1020 };
1021
1022 enum pipe_debug_type
1023 {
1024    PIPE_DEBUG_TYPE_OUT_OF_MEMORY = 1,
1025    PIPE_DEBUG_TYPE_ERROR,
1026    PIPE_DEBUG_TYPE_SHADER_INFO,
1027    PIPE_DEBUG_TYPE_PERF_INFO,
1028    PIPE_DEBUG_TYPE_INFO,
1029    PIPE_DEBUG_TYPE_FALLBACK,
1030    PIPE_DEBUG_TYPE_CONFORMANCE,
1031 };
1032
1033
1034 #ifdef __cplusplus
1035 }
1036 #endif
1037
1038 #endif