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      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    PIPE_POLYGON_MODE_FILL_RECTANGLE,
    137 };
    138 
    139 /** Polygon face specification, eg for culling */
    140 #define PIPE_FACE_NONE           0
    141 #define PIPE_FACE_FRONT          1
    142 #define PIPE_FACE_BACK           2
    143 #define PIPE_FACE_FRONT_AND_BACK (PIPE_FACE_FRONT | PIPE_FACE_BACK)
    144 
    145 /** Stencil ops */
    146 enum pipe_stencil_op {
    147    PIPE_STENCIL_OP_KEEP,
    148    PIPE_STENCIL_OP_ZERO,
    149    PIPE_STENCIL_OP_REPLACE,
    150    PIPE_STENCIL_OP_INCR,
    151    PIPE_STENCIL_OP_DECR,
    152    PIPE_STENCIL_OP_INCR_WRAP,
    153    PIPE_STENCIL_OP_DECR_WRAP,
    154    PIPE_STENCIL_OP_INVERT,
    155 };
    156 
    157 /** Texture types.
    158  * See the documentation for info on PIPE_TEXTURE_RECT vs PIPE_TEXTURE_2D
    159  */
    160 enum pipe_texture_target
    161 {
    162    PIPE_BUFFER,
    163    PIPE_TEXTURE_1D,
    164    PIPE_TEXTURE_2D,
    165    PIPE_TEXTURE_3D,
    166    PIPE_TEXTURE_CUBE,
    167    PIPE_TEXTURE_RECT,
    168    PIPE_TEXTURE_1D_ARRAY,
    169    PIPE_TEXTURE_2D_ARRAY,
    170    PIPE_TEXTURE_CUBE_ARRAY,
    171    PIPE_MAX_TEXTURE_TYPES,
    172 };
    173 
    174 enum pipe_tex_face {
    175    PIPE_TEX_FACE_POS_X,
    176    PIPE_TEX_FACE_NEG_X,
    177    PIPE_TEX_FACE_POS_Y,
    178    PIPE_TEX_FACE_NEG_Y,
    179    PIPE_TEX_FACE_POS_Z,
    180    PIPE_TEX_FACE_NEG_Z,
    181    PIPE_TEX_FACE_MAX,
    182 };
    183 
    184 enum pipe_tex_wrap {
    185    PIPE_TEX_WRAP_REPEAT,
    186    PIPE_TEX_WRAP_CLAMP,
    187    PIPE_TEX_WRAP_CLAMP_TO_EDGE,
    188    PIPE_TEX_WRAP_CLAMP_TO_BORDER,
    189    PIPE_TEX_WRAP_MIRROR_REPEAT,
    190    PIPE_TEX_WRAP_MIRROR_CLAMP,
    191    PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE,
    192    PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER,
    193 };
    194 
    195 /** Between mipmaps, ie mipfilter */
    196 enum pipe_tex_mipfilter {
    197    PIPE_TEX_MIPFILTER_NEAREST,
    198    PIPE_TEX_MIPFILTER_LINEAR,
    199    PIPE_TEX_MIPFILTER_NONE,
    200 };
    201 
    202 /** Within a mipmap, ie min/mag filter */
    203 enum pipe_tex_filter {
    204    PIPE_TEX_FILTER_NEAREST,
    205    PIPE_TEX_FILTER_LINEAR,
    206 };
    207 
    208 enum pipe_tex_compare {
    209    PIPE_TEX_COMPARE_NONE,
    210    PIPE_TEX_COMPARE_R_TO_TEXTURE,
    211 };
    212 
    213 enum pipe_tex_reduction_mode {
    214    PIPE_TEX_REDUCTION_WEIGHTED_AVERAGE,
    215    PIPE_TEX_REDUCTION_MIN,
    216    PIPE_TEX_REDUCTION_MAX,
    217 };
    218 
    219 /**
    220  * Clear buffer bits
    221  */
    222 #define PIPE_CLEAR_DEPTH        (1 << 0)
    223 #define PIPE_CLEAR_STENCIL      (1 << 1)
    224 #define PIPE_CLEAR_COLOR0       (1 << 2)
    225 #define PIPE_CLEAR_COLOR1       (1 << 3)
    226 #define PIPE_CLEAR_COLOR2       (1 << 4)
    227 #define PIPE_CLEAR_COLOR3       (1 << 5)
    228 #define PIPE_CLEAR_COLOR4       (1 << 6)
    229 #define PIPE_CLEAR_COLOR5       (1 << 7)
    230 #define PIPE_CLEAR_COLOR6       (1 << 8)
    231 #define PIPE_CLEAR_COLOR7       (1 << 9)
    232 /** Combined flags */
    233 /** All color buffers currently bound */
    234 #define PIPE_CLEAR_COLOR        (PIPE_CLEAR_COLOR0 | PIPE_CLEAR_COLOR1 | \
    235                                  PIPE_CLEAR_COLOR2 | PIPE_CLEAR_COLOR3 | \
    236                                  PIPE_CLEAR_COLOR4 | PIPE_CLEAR_COLOR5 | \
    237                                  PIPE_CLEAR_COLOR6 | PIPE_CLEAR_COLOR7)
    238 #define PIPE_CLEAR_DEPTHSTENCIL (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)
    239 
    240 /**
    241  * CPU access map flags
    242  */
    243 enum pipe_map_flags
    244 {
    245    /**
    246     * Resource contents read back (or accessed directly) at transfer
    247     * create time.
    248     */
    249    PIPE_MAP_READ = 1 << 0,
    250 
    251    /**
    252     * Resource contents will be written back at buffer/texture_unmap
    253     * time (or modified as a result of being accessed directly).
    254     */
    255    PIPE_MAP_WRITE = 1 << 1,
    256 
    257    /**
    258     * Read/modify/write
    259     */
    260    PIPE_MAP_READ_WRITE = PIPE_MAP_READ | PIPE_MAP_WRITE,
    261 
    262    /**
    263     * The transfer should map the texture storage directly. The driver may
    264     * return NULL if that isn't possible, and the gallium frontend needs to cope
    265     * with that and use an alternative path without this flag.
    266     *
    267     * E.g. the gallium frontend could have a simpler path which maps textures and
    268     * does read/modify/write cycles on them directly, and a more complicated
    269     * path which uses minimal read and write transfers.
    270     *
    271     * This flag supresses implicit "DISCARD" for buffer_subdata.
    272     */
    273    PIPE_MAP_DIRECTLY = 1 << 2,
    274 
    275    /**
    276     * Discards the memory within the mapped region.
    277     *
    278     * It should not be used with PIPE_MAP_READ.
    279     *
    280     * See also:
    281     * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_RANGE_BIT flag.
    282     */
    283    PIPE_MAP_DISCARD_RANGE = 1 << 3,
    284 
    285    /**
    286     * Fail if the resource cannot be mapped immediately.
    287     *
    288     * See also:
    289     * - Direct3D's D3DLOCK_DONOTWAIT flag.
    290     * - Mesa's MESA_MAP_NOWAIT_BIT flag.
    291     * - WDDM's D3DDDICB_LOCKFLAGS.DonotWait flag.
    292     */
    293    PIPE_MAP_DONTBLOCK = 1 << 4,
    294 
    295    /**
    296     * Do not attempt to synchronize pending operations on the resource when mapping.
    297     *
    298     * It should not be used with PIPE_MAP_READ.
    299     *
    300     * See also:
    301     * - OpenGL's ARB_map_buffer_range extension, MAP_UNSYNCHRONIZED_BIT flag.
    302     * - Direct3D's D3DLOCK_NOOVERWRITE flag.
    303     * - WDDM's D3DDDICB_LOCKFLAGS.IgnoreSync flag.
    304     */
    305    PIPE_MAP_UNSYNCHRONIZED = 1 << 5,
    306 
    307    /**
    308     * Written ranges will be notified later with
    309     * pipe_context::transfer_flush_region.
    310     *
    311     * It should not be used with PIPE_MAP_READ.
    312     *
    313     * See also:
    314     * - pipe_context::transfer_flush_region
    315     * - OpenGL's ARB_map_buffer_range extension, MAP_FLUSH_EXPLICIT_BIT flag.
    316     */
    317    PIPE_MAP_FLUSH_EXPLICIT = 1 << 6,
    318 
    319    /**
    320     * Discards all memory backing the resource.
    321     *
    322     * It should not be used with PIPE_MAP_READ.
    323     *
    324     * This is equivalent to:
    325     * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_BUFFER_BIT
    326     * - BufferData(NULL) on a GL buffer
    327     * - Direct3D's D3DLOCK_DISCARD flag.
    328     * - WDDM's D3DDDICB_LOCKFLAGS.Discard flag.
    329     * - D3D10 DDI's D3D10_DDI_MAP_WRITE_DISCARD flag
    330     * - D3D10's D3D10_MAP_WRITE_DISCARD flag.
    331     */
    332    PIPE_MAP_DISCARD_WHOLE_RESOURCE = 1 << 7,
    333 
    334    /**
    335     * Allows the resource to be used for rendering while mapped.
    336     *
    337     * PIPE_RESOURCE_FLAG_MAP_PERSISTENT must be set when creating
    338     * the resource.
    339     *
    340     * If COHERENT is not set, memory_barrier(PIPE_BARRIER_MAPPED_BUFFER)
    341     * must be called to ensure the device can see what the CPU has written.
    342     */
    343    PIPE_MAP_PERSISTENT = 1 << 8,
    344 
    345    /**
    346     * If PERSISTENT is set, this ensures any writes done by the device are
    347     * immediately visible to the CPU and vice versa.
    348     *
    349     * PIPE_RESOURCE_FLAG_MAP_COHERENT must be set when creating
    350     * the resource.
    351     */
    352    PIPE_MAP_COHERENT = 1 << 9,
    353 
    354    /**
    355     * Map a resource in a thread-safe manner, because the calling thread can
    356     * be any thread. It can only be used if both WRITE and UNSYNCHRONIZED are
    357     * set.
    358     */
    359    PIPE_MAP_THREAD_SAFE = 1 << 10,
    360 
    361    /**
    362     * Map only the depth aspect of a resource
    363     */
    364    PIPE_MAP_DEPTH_ONLY = 1 << 11,
    365 
    366    /**
    367     * Map only the stencil aspect of a resource
    368     */
    369    PIPE_MAP_STENCIL_ONLY = 1 << 12,
    370 
    371    /**
    372     * Mapping will be used only once (never remapped).
    373     */
    374    PIPE_MAP_ONCE = 1 << 13,
    375 
    376    /**
    377     * This and higher bits are reserved for private use by drivers. Drivers
    378     * should use this as (PIPE_MAP_DRV_PRV << i).
    379     */
    380    PIPE_MAP_DRV_PRV = 1 << 14,
    381 };
    382 
    383 /**
    384  * Flags for the flush function.
    385  */
    386 enum pipe_flush_flags
    387 {
    388    PIPE_FLUSH_END_OF_FRAME = (1 << 0),
    389    PIPE_FLUSH_DEFERRED = (1 << 1),
    390    PIPE_FLUSH_FENCE_FD = (1 << 2),
    391    PIPE_FLUSH_ASYNC = (1 << 3),
    392    PIPE_FLUSH_HINT_FINISH = (1 << 4),
    393    PIPE_FLUSH_TOP_OF_PIPE = (1 << 5),
    394    PIPE_FLUSH_BOTTOM_OF_PIPE = (1 << 6),
    395 };
    396 
    397 /**
    398  * Flags for pipe_context::dump_debug_state.
    399  */
    400 #define PIPE_DUMP_DEVICE_STATUS_REGISTERS    (1 << 0)
    401 
    402 /**
    403  * Create a compute-only context. Use in pipe_screen::context_create.
    404  * This disables draw, blit, and clear*, render_condition, and other graphics
    405  * functions. Interop with other graphics contexts is still allowed.
    406  * This allows scheduling jobs on a compute-only hardware command queue that
    407  * can run in parallel with graphics without stalling it.
    408  */
    409 #define PIPE_CONTEXT_COMPUTE_ONLY      (1 << 0)
    410 
    411 /**
    412  * Gather debug information and expect that pipe_context::dump_debug_state
    413  * will be called. Use in pipe_screen::context_create.
    414  */
    415 #define PIPE_CONTEXT_DEBUG             (1 << 1)
    416 
    417 /**
    418  * Whether out-of-bounds shader loads must return zero and out-of-bounds
    419  * shader stores must be dropped.
    420  */
    421 #define PIPE_CONTEXT_ROBUST_BUFFER_ACCESS (1 << 2)
    422 
    423 /**
    424  * Prefer threaded pipe_context. It also implies that video codec functions
    425  * will not be used. (they will be either no-ops or NULL when threading is
    426  * enabled)
    427  */
    428 #define PIPE_CONTEXT_PREFER_THREADED   (1 << 3)
    429 
    430 /**
    431  * Create a high priority context.
    432  */
    433 #define PIPE_CONTEXT_HIGH_PRIORITY     (1 << 4)
    434 
    435 /**
    436  * Create a low priority context.
    437  */
    438 #define PIPE_CONTEXT_LOW_PRIORITY      (1 << 5)
    439 
    440 /** Stop execution if the device is reset. */
    441 #define PIPE_CONTEXT_LOSE_CONTEXT_ON_RESET (1 << 6)
    442 
    443 /**
    444  * Flags for pipe_context::memory_barrier.
    445  */
    446 #define PIPE_BARRIER_MAPPED_BUFFER     (1 << 0)
    447 #define PIPE_BARRIER_SHADER_BUFFER     (1 << 1)
    448 #define PIPE_BARRIER_QUERY_BUFFER      (1 << 2)
    449 #define PIPE_BARRIER_VERTEX_BUFFER     (1 << 3)
    450 #define PIPE_BARRIER_INDEX_BUFFER      (1 << 4)
    451 #define PIPE_BARRIER_CONSTANT_BUFFER   (1 << 5)
    452 #define PIPE_BARRIER_INDIRECT_BUFFER   (1 << 6)
    453 #define PIPE_BARRIER_TEXTURE           (1 << 7)
    454 #define PIPE_BARRIER_IMAGE             (1 << 8)
    455 #define PIPE_BARRIER_FRAMEBUFFER       (1 << 9)
    456 #define PIPE_BARRIER_STREAMOUT_BUFFER  (1 << 10)
    457 #define PIPE_BARRIER_GLOBAL_BUFFER     (1 << 11)
    458 #define PIPE_BARRIER_UPDATE_BUFFER     (1 << 12)
    459 #define PIPE_BARRIER_UPDATE_TEXTURE    (1 << 13)
    460 #define PIPE_BARRIER_ALL               ((1 << 14) - 1)
    461 
    462 #define PIPE_BARRIER_UPDATE \
    463    (PIPE_BARRIER_UPDATE_BUFFER | PIPE_BARRIER_UPDATE_TEXTURE)
    464 
    465 /**
    466  * Flags for pipe_context::texture_barrier.
    467  */
    468 #define PIPE_TEXTURE_BARRIER_SAMPLER      (1 << 0)
    469 #define PIPE_TEXTURE_BARRIER_FRAMEBUFFER  (1 << 1)
    470 
    471 /**
    472  * Resource binding flags -- gallium frontends must specify in advance all
    473  * the ways a resource might be used.
    474  */
    475 #define PIPE_BIND_DEPTH_STENCIL        (1 << 0) /* create_surface */
    476 #define PIPE_BIND_RENDER_TARGET        (1 << 1) /* create_surface */
    477 #define PIPE_BIND_BLENDABLE            (1 << 2) /* create_surface */
    478 #define PIPE_BIND_SAMPLER_VIEW         (1 << 3) /* create_sampler_view */
    479 #define PIPE_BIND_VERTEX_BUFFER        (1 << 4) /* set_vertex_buffers */
    480 #define PIPE_BIND_INDEX_BUFFER         (1 << 5) /* draw_elements */
    481 #define PIPE_BIND_CONSTANT_BUFFER      (1 << 6) /* set_constant_buffer */
    482 #define PIPE_BIND_DISPLAY_TARGET       (1 << 7) /* flush_front_buffer */
    483 /* gap */
    484 #define PIPE_BIND_STREAM_OUTPUT        (1 << 10) /* set_stream_output_buffers */
    485 #define PIPE_BIND_CURSOR               (1 << 11) /* mouse cursor */
    486 #define PIPE_BIND_CUSTOM               (1 << 12) /* gallium frontend/winsys usages */
    487 #define PIPE_BIND_GLOBAL               (1 << 13) /* set_global_binding */
    488 #define PIPE_BIND_SHADER_BUFFER        (1 << 14) /* set_shader_buffers */
    489 #define PIPE_BIND_SHADER_IMAGE         (1 << 15) /* set_shader_images */
    490 #define PIPE_BIND_COMPUTE_RESOURCE     (1 << 16) /* set_compute_resources */
    491 #define PIPE_BIND_COMMAND_ARGS_BUFFER  (1 << 17) /* pipe_draw_info.indirect */
    492 #define PIPE_BIND_QUERY_BUFFER         (1 << 18) /* get_query_result_resource */
    493 
    494 /**
    495  * The first two flags above were previously part of the amorphous
    496  * TEXTURE_USAGE, most of which are now descriptions of the ways a
    497  * particular texture can be bound to the gallium pipeline.  The two flags
    498  * below do not fit within that and probably need to be migrated to some
    499  * other place.
    500  *
    501  * Scanout is used to ask for a texture suitable for actual scanout (hence
    502  * the name), which implies extra layout constraints on some hardware.
    503  * It may also have some special meaning regarding mouse cursor images.
    504  *
    505  * The shared flag is quite underspecified, but certainly isn't a
    506  * binding flag - it seems more like a message to the winsys to create
    507  * a shareable allocation.
    508  *
    509  * The third flag has been added to be able to force textures to be created
    510  * in linear mode (no tiling).
    511  */
    512 #define PIPE_BIND_SCANOUT     (1 << 19) /*  */
    513 #define PIPE_BIND_SHARED      (1 << 20) /* get_texture_handle ??? */
    514 #define PIPE_BIND_LINEAR      (1 << 21)
    515 #define PIPE_BIND_PROTECTED   (1 << 22) /* Resource will be protected/encrypted */
    516 #define PIPE_BIND_SAMPLER_REDUCTION_MINMAX (1 << 23) /* PIPE_CAP_SAMPLER_REDUCTION_MINMAX */
    517 
    518 
    519 /**
    520  * Flags for the driver about resource behaviour:
    521  */
    522 #define PIPE_RESOURCE_FLAG_MAP_PERSISTENT (1 << 0)
    523 #define PIPE_RESOURCE_FLAG_MAP_COHERENT   (1 << 1)
    524 #define PIPE_RESOURCE_FLAG_TEXTURING_MORE_LIKELY (1 << 2)
    525 #define PIPE_RESOURCE_FLAG_SPARSE                (1 << 3)
    526 #define PIPE_RESOURCE_FLAG_SINGLE_THREAD_USE     (1 << 4)
    527 #define PIPE_RESOURCE_FLAG_ENCRYPTED             (1 << 5)
    528 #define PIPE_RESOURCE_FLAG_DONT_OVER_ALLOCATE    (1 << 6)
    529 #define PIPE_RESOURCE_FLAG_DONT_MAP_DIRECTLY     (1 << 7) /* for small visible VRAM */
    530 #define PIPE_RESOURCE_FLAG_DRV_PRIV    (1 << 8) /* driver/winsys private */
    531 #define PIPE_RESOURCE_FLAG_FRONTEND_PRIV         (1 << 24) /* gallium frontend private */
    532 
    533 /**
    534  * Hint about the expected lifecycle of a resource.
    535  * Sorted according to GPU vs CPU access.
    536  */
    537 enum pipe_resource_usage {
    538    PIPE_USAGE_DEFAULT,        /* fast GPU access */
    539    PIPE_USAGE_IMMUTABLE,      /* fast GPU access, immutable */
    540    PIPE_USAGE_DYNAMIC,        /* uploaded data is used multiple times */
    541    PIPE_USAGE_STREAM,         /* uploaded data is used once */
    542    PIPE_USAGE_STAGING,        /* fast CPU access */
    543 };
    544 
    545 /**
    546  * Shaders
    547  */
    548 enum pipe_shader_type {
    549    PIPE_SHADER_VERTEX,
    550    PIPE_SHADER_FRAGMENT,
    551    PIPE_SHADER_GEOMETRY,
    552    PIPE_SHADER_TESS_CTRL,
    553    PIPE_SHADER_TESS_EVAL,
    554    PIPE_SHADER_COMPUTE,
    555    PIPE_SHADER_TYPES,
    556 };
    557 
    558 /**
    559  * Primitive types:
    560  */
    561 enum pipe_prim_type {
    562    PIPE_PRIM_POINTS,
    563    PIPE_PRIM_LINES,
    564    PIPE_PRIM_LINE_LOOP,
    565    PIPE_PRIM_LINE_STRIP,
    566    PIPE_PRIM_TRIANGLES,
    567    PIPE_PRIM_TRIANGLE_STRIP,
    568    PIPE_PRIM_TRIANGLE_FAN,
    569    PIPE_PRIM_QUADS,
    570    PIPE_PRIM_QUAD_STRIP,
    571    PIPE_PRIM_POLYGON,
    572    PIPE_PRIM_LINES_ADJACENCY,
    573    PIPE_PRIM_LINE_STRIP_ADJACENCY,
    574    PIPE_PRIM_TRIANGLES_ADJACENCY,
    575    PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY,
    576    PIPE_PRIM_PATCHES,
    577    PIPE_PRIM_MAX,
    578 } ENUM_PACKED;
    579 
    580 /**
    581  * Tessellator spacing types
    582  */
    583 enum pipe_tess_spacing {
    584    PIPE_TESS_SPACING_FRACTIONAL_ODD,
    585    PIPE_TESS_SPACING_FRACTIONAL_EVEN,
    586    PIPE_TESS_SPACING_EQUAL,
    587 };
    588 
    589 /**
    590  * Query object types
    591  */
    592 enum pipe_query_type {
    593    PIPE_QUERY_OCCLUSION_COUNTER,
    594    PIPE_QUERY_OCCLUSION_PREDICATE,
    595    PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE,
    596    PIPE_QUERY_TIMESTAMP,
    597    PIPE_QUERY_TIMESTAMP_DISJOINT,
    598    PIPE_QUERY_TIME_ELAPSED,
    599    PIPE_QUERY_PRIMITIVES_GENERATED,
    600    PIPE_QUERY_PRIMITIVES_EMITTED,
    601    PIPE_QUERY_SO_STATISTICS,
    602    PIPE_QUERY_SO_OVERFLOW_PREDICATE,
    603    PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE,
    604    PIPE_QUERY_GPU_FINISHED,
    605    PIPE_QUERY_PIPELINE_STATISTICS,
    606    PIPE_QUERY_PIPELINE_STATISTICS_SINGLE,
    607    PIPE_QUERY_TYPES,
    608    /* start of driver queries, see pipe_screen::get_driver_query_info */
    609    PIPE_QUERY_DRIVER_SPECIFIC = 256,
    610 };
    611 
    612 /**
    613  * Index for PIPE_QUERY_PIPELINE_STATISTICS subqueries.
    614  */
    615 enum pipe_statistics_query_index {
    616    PIPE_STAT_QUERY_IA_VERTICES,
    617    PIPE_STAT_QUERY_IA_PRIMITIVES,
    618    PIPE_STAT_QUERY_VS_INVOCATIONS,
    619    PIPE_STAT_QUERY_GS_INVOCATIONS,
    620    PIPE_STAT_QUERY_GS_PRIMITIVES,
    621    PIPE_STAT_QUERY_C_INVOCATIONS,
    622    PIPE_STAT_QUERY_C_PRIMITIVES,
    623    PIPE_STAT_QUERY_PS_INVOCATIONS,
    624    PIPE_STAT_QUERY_HS_INVOCATIONS,
    625    PIPE_STAT_QUERY_DS_INVOCATIONS,
    626    PIPE_STAT_QUERY_CS_INVOCATIONS,
    627 };
    628 
    629 /**
    630  * Conditional rendering modes
    631  */
    632 enum pipe_render_cond_flag {
    633    PIPE_RENDER_COND_WAIT,
    634    PIPE_RENDER_COND_NO_WAIT,
    635    PIPE_RENDER_COND_BY_REGION_WAIT,
    636    PIPE_RENDER_COND_BY_REGION_NO_WAIT,
    637 };
    638 
    639 /**
    640  * Point sprite coord modes
    641  */
    642 enum pipe_sprite_coord_mode {
    643    PIPE_SPRITE_COORD_UPPER_LEFT,
    644    PIPE_SPRITE_COORD_LOWER_LEFT,
    645 };
    646 
    647 /**
    648  * Texture & format swizzles
    649  */
    650 enum pipe_swizzle {
    651    PIPE_SWIZZLE_X,
    652    PIPE_SWIZZLE_Y,
    653    PIPE_SWIZZLE_Z,
    654    PIPE_SWIZZLE_W,
    655    PIPE_SWIZZLE_0,
    656    PIPE_SWIZZLE_1,
    657    PIPE_SWIZZLE_NONE,
    658    PIPE_SWIZZLE_MAX, /**< Number of enums counter (must be last) */
    659 };
    660 
    661 /**
    662  * Viewport swizzles
    663  */
    664 enum pipe_viewport_swizzle {
    665    PIPE_VIEWPORT_SWIZZLE_POSITIVE_X,
    666    PIPE_VIEWPORT_SWIZZLE_NEGATIVE_X,
    667    PIPE_VIEWPORT_SWIZZLE_POSITIVE_Y,
    668    PIPE_VIEWPORT_SWIZZLE_NEGATIVE_Y,
    669    PIPE_VIEWPORT_SWIZZLE_POSITIVE_Z,
    670    PIPE_VIEWPORT_SWIZZLE_NEGATIVE_Z,
    671    PIPE_VIEWPORT_SWIZZLE_POSITIVE_W,
    672    PIPE_VIEWPORT_SWIZZLE_NEGATIVE_W,
    673 };
    674 
    675 #define PIPE_TIMEOUT_INFINITE 0xffffffffffffffffull
    676 
    677 
    678 /**
    679  * Device reset status.
    680  */
    681 enum pipe_reset_status
    682 {
    683    PIPE_NO_RESET,
    684    PIPE_GUILTY_CONTEXT_RESET,
    685    PIPE_INNOCENT_CONTEXT_RESET,
    686    PIPE_UNKNOWN_CONTEXT_RESET,
    687 };
    688 
    689 
    690 /**
    691  * Conservative rasterization modes.
    692  */
    693 enum pipe_conservative_raster_mode
    694 {
    695    PIPE_CONSERVATIVE_RASTER_OFF,
    696 
    697    /**
    698     * The post-snap mode means the conservative rasterization occurs after
    699     * the conversion from floating-point to fixed-point coordinates
    700     * on the subpixel grid.
    701     */
    702    PIPE_CONSERVATIVE_RASTER_POST_SNAP,
    703 
    704    /**
    705     * The pre-snap mode means the conservative rasterization occurs before
    706     * the conversion from floating-point to fixed-point coordinates.
    707     */
    708    PIPE_CONSERVATIVE_RASTER_PRE_SNAP,
    709 };
    710 
    711 
    712 /**
    713  * resource_get_handle flags.
    714  */
    715 /* Requires pipe_context::flush_resource before external use. */
    716 #define PIPE_HANDLE_USAGE_EXPLICIT_FLUSH     (1 << 0)
    717 /* Expected external use of the resource: */
    718 #define PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE  (1 << 1)
    719 #define PIPE_HANDLE_USAGE_SHADER_WRITE       (1 << 2)
    720 
    721 /**
    722  * pipe_image_view access flags.
    723  */
    724 #define PIPE_IMAGE_ACCESS_READ       (1 << 0)
    725 #define PIPE_IMAGE_ACCESS_WRITE      (1 << 1)
    726 #define PIPE_IMAGE_ACCESS_READ_WRITE (PIPE_IMAGE_ACCESS_READ | \
    727                                       PIPE_IMAGE_ACCESS_WRITE)
    728 
    729 /**
    730  * Implementation capabilities/limits which are queried through
    731  * pipe_screen::get_param()
    732  */
    733 enum pipe_cap
    734 {
    735    PIPE_CAP_GRAPHICS,
    736    PIPE_CAP_NPOT_TEXTURES,
    737    PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS,
    738    PIPE_CAP_ANISOTROPIC_FILTER,
    739    PIPE_CAP_POINT_SPRITE,
    740    PIPE_CAP_MAX_RENDER_TARGETS,
    741    PIPE_CAP_OCCLUSION_QUERY,
    742    PIPE_CAP_QUERY_TIME_ELAPSED,
    743    PIPE_CAP_TEXTURE_SHADOW_MAP,
    744    PIPE_CAP_TEXTURE_SWIZZLE,
    745    PIPE_CAP_MAX_TEXTURE_2D_SIZE,
    746    PIPE_CAP_MAX_TEXTURE_3D_LEVELS,
    747    PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS,
    748    PIPE_CAP_TEXTURE_MIRROR_CLAMP,
    749    PIPE_CAP_BLEND_EQUATION_SEPARATE,
    750    PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS,
    751    PIPE_CAP_PRIMITIVE_RESTART,
    752    /** subset of PRIMITIVE_RESTART where the restart index is always the fixed
    753     * maximum value for the index type
    754     */
    755    PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX,
    756    /** blend enables and write masks per rendertarget */
    757    PIPE_CAP_INDEP_BLEND_ENABLE,
    758    /** different blend funcs per rendertarget */
    759    PIPE_CAP_INDEP_BLEND_FUNC,
    760    PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS,
    761    PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT,
    762    PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
    763    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
    764    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
    765    PIPE_CAP_DEPTH_CLIP_DISABLE,
    766    PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE,
    767    PIPE_CAP_DEPTH_CLAMP_ENABLE,
    768    PIPE_CAP_SHADER_STENCIL_EXPORT,
    769    PIPE_CAP_TGSI_INSTANCEID,
    770    PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR,
    771    PIPE_CAP_FRAGMENT_COLOR_CLAMPED,
    772    PIPE_CAP_MIXED_COLORBUFFER_FORMATS,
    773    PIPE_CAP_SEAMLESS_CUBE_MAP,
    774    PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE,
    775    PIPE_CAP_MIN_TEXEL_OFFSET,
    776    PIPE_CAP_MAX_TEXEL_OFFSET,
    777    PIPE_CAP_CONDITIONAL_RENDER,
    778    PIPE_CAP_TEXTURE_BARRIER,
    779    PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS,
    780    PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS,
    781    PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME,
    782    PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS,
    783    PIPE_CAP_VERTEX_COLOR_UNCLAMPED,
    784    PIPE_CAP_VERTEX_COLOR_CLAMPED,
    785    PIPE_CAP_GLSL_FEATURE_LEVEL,
    786    PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY,
    787    PIPE_CAP_ESSL_FEATURE_LEVEL,
    788    PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION,
    789    PIPE_CAP_USER_VERTEX_BUFFERS,
    790    PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY,
    791    PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY,
    792    PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY,
    793    PIPE_CAP_COMPUTE,
    794    PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT,
    795    PIPE_CAP_START_INSTANCE,
    796    PIPE_CAP_QUERY_TIMESTAMP,
    797    PIPE_CAP_TEXTURE_MULTISAMPLE,
    798    PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT,
    799    PIPE_CAP_CUBE_MAP_ARRAY,
    800    PIPE_CAP_TEXTURE_BUFFER_OBJECTS,
    801    PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT,
    802    PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY,
    803    PIPE_CAP_TGSI_TEXCOORD,
    804    PIPE_CAP_TEXTURE_BUFFER_SAMPLER,
    805    PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER,
    806    PIPE_CAP_QUERY_PIPELINE_STATISTICS,
    807    PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK,
    808    PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE,
    809    PIPE_CAP_MAX_VIEWPORTS,
    810    PIPE_CAP_ENDIANNESS,
    811    PIPE_CAP_MIXED_FRAMEBUFFER_SIZES,
    812    PIPE_CAP_TGSI_VS_LAYER_VIEWPORT,
    813    PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES,
    814    PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS,
    815    PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS,
    816    PIPE_CAP_TEXTURE_GATHER_SM5,
    817    PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT,
    818    PIPE_CAP_FAKE_SW_MSAA,
    819    PIPE_CAP_TEXTURE_QUERY_LOD,
    820    PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET,
    821    PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET,
    822    PIPE_CAP_SAMPLE_SHADING,
    823    PIPE_CAP_TEXTURE_GATHER_OFFSETS,
    824    PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION,
    825    PIPE_CAP_MAX_VERTEX_STREAMS,
    826    PIPE_CAP_DRAW_INDIRECT,
    827    PIPE_CAP_TGSI_FS_FINE_DERIVATIVE,
    828    PIPE_CAP_VENDOR_ID,
    829    PIPE_CAP_DEVICE_ID,
    830    PIPE_CAP_ACCELERATED,
    831    PIPE_CAP_VIDEO_MEMORY,
    832    PIPE_CAP_UMA,
    833    PIPE_CAP_CONDITIONAL_RENDER_INVERTED,
    834    PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE,
    835    PIPE_CAP_SAMPLER_VIEW_TARGET,
    836    PIPE_CAP_CLIP_HALFZ,
    837    PIPE_CAP_VERTEXID_NOBASE,
    838    PIPE_CAP_POLYGON_OFFSET_CLAMP,
    839    PIPE_CAP_MULTISAMPLE_Z_RESOLVE,
    840    PIPE_CAP_RESOURCE_FROM_USER_MEMORY,
    841    PIPE_CAP_RESOURCE_FROM_USER_MEMORY_COMPUTE_ONLY,
    842    PIPE_CAP_DEVICE_RESET_STATUS_QUERY,
    843    PIPE_CAP_MAX_SHADER_PATCH_VARYINGS,
    844    PIPE_CAP_TEXTURE_FLOAT_LINEAR,
    845    PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR,
    846    PIPE_CAP_DEPTH_BOUNDS_TEST,
    847    PIPE_CAP_TGSI_TXQS,
    848    PIPE_CAP_FORCE_PERSAMPLE_INTERP,
    849    PIPE_CAP_SHAREABLE_SHADERS,
    850    PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS,
    851    PIPE_CAP_CLEAR_TEXTURE,
    852    PIPE_CAP_CLEAR_SCISSORED,
    853    PIPE_CAP_DRAW_PARAMETERS,
    854    PIPE_CAP_TGSI_PACK_HALF_FLOAT,
    855    PIPE_CAP_MULTI_DRAW_INDIRECT,
    856    PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS,
    857    PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL,
    858    PIPE_CAP_TGSI_FS_POINT_IS_SYSVAL,
    859    PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL,
    860    PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT,
    861    PIPE_CAP_INVALIDATE_BUFFER,
    862    PIPE_CAP_GENERATE_MIPMAP,
    863    PIPE_CAP_STRING_MARKER,
    864    PIPE_CAP_SURFACE_REINTERPRET_BLOCKS,
    865    PIPE_CAP_QUERY_BUFFER_OBJECT,
    866    PIPE_CAP_QUERY_MEMORY_INFO,
    867    PIPE_CAP_PCI_GROUP,
    868    PIPE_CAP_PCI_BUS,
    869    PIPE_CAP_PCI_DEVICE,
    870    PIPE_CAP_PCI_FUNCTION,
    871    PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT,
    872    PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR,
    873    PIPE_CAP_CULL_DISTANCE,
    874    PIPE_CAP_TGSI_VOTE,
    875    PIPE_CAP_MAX_WINDOW_RECTANGLES,
    876    PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED,
    877    PIPE_CAP_VIEWPORT_SUBPIXEL_BITS,
    878    PIPE_CAP_RASTERIZER_SUBPIXEL_BITS,
    879    PIPE_CAP_MIXED_COLOR_DEPTH_BITS,
    880    PIPE_CAP_TGSI_ARRAY_COMPONENTS,
    881    PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS,
    882    PIPE_CAP_TGSI_CAN_READ_OUTPUTS,
    883    PIPE_CAP_NATIVE_FENCE_FD,
    884    PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY,
    885    PIPE_CAP_GLSL_TESS_LEVELS_AS_INPUTS,
    886    PIPE_CAP_FBFETCH,
    887    PIPE_CAP_TGSI_MUL_ZERO_WINS,
    888    PIPE_CAP_DOUBLES,
    889    PIPE_CAP_INT64,
    890    PIPE_CAP_INT64_DIVMOD,
    891    PIPE_CAP_TGSI_TEX_TXF_LZ,
    892    PIPE_CAP_TGSI_CLOCK,
    893    PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE,
    894    PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE,
    895    PIPE_CAP_TGSI_BALLOT,
    896    PIPE_CAP_TGSI_TES_LAYER_VIEWPORT,
    897    PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX,
    898    PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION,
    899    PIPE_CAP_POST_DEPTH_COVERAGE,
    900    PIPE_CAP_BINDLESS_TEXTURE,
    901    PIPE_CAP_NIR_SAMPLERS_AS_DEREF,
    902    PIPE_CAP_QUERY_SO_OVERFLOW,
    903    PIPE_CAP_MEMOBJ,
    904    PIPE_CAP_LOAD_CONSTBUF,
    905    PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS,
    906    PIPE_CAP_TILE_RASTER_ORDER,
    907    PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES,
    908    PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS,
    909    PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET,
    910    PIPE_CAP_CONTEXT_PRIORITY_MASK,
    911    PIPE_CAP_FENCE_SIGNAL,
    912    PIPE_CAP_CONSTBUF0_FLAGS,
    913    PIPE_CAP_PACKED_UNIFORMS,
    914    PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES,
    915    PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES,
    916    PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES,
    917    PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES,
    918    PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS,
    919    PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE,
    920    PIPE_CAP_CONSERVATIVE_RASTER_INNER_COVERAGE,
    921    PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS,
    922    PIPE_CAP_MAX_GS_INVOCATIONS,
    923    PIPE_CAP_MAX_SHADER_BUFFER_SIZE,
    924    PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE,
    925    PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS,
    926    PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTERS,
    927    PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTER_BUFFERS,
    928    PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET,
    929    PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET,
    930    PIPE_CAP_SURFACE_SAMPLE_COUNT,
    931    PIPE_CAP_TGSI_ATOMFADD,
    932    PIPE_CAP_QUERY_PIPELINE_STATISTICS_SINGLE,
    933    PIPE_CAP_RGB_OVERRIDE_DST_ALPHA_BLEND,
    934    PIPE_CAP_DEST_SURFACE_SRGB_CONTROL,
    935    PIPE_CAP_NIR_COMPACT_ARRAYS,
    936    PIPE_CAP_MAX_VARYINGS,
    937    PIPE_CAP_COMPUTE_GRID_INFO_LAST_BLOCK,
    938    PIPE_CAP_COMPUTE_SHADER_DERIVATIVES,
    939    PIPE_CAP_TGSI_SKIP_SHRINK_IO_ARRAYS,
    940    PIPE_CAP_IMAGE_LOAD_FORMATTED,
    941    PIPE_CAP_THROTTLE,
    942    PIPE_CAP_DMABUF,
    943    PIPE_CAP_PREFER_COMPUTE_FOR_MULTIMEDIA,
    944    PIPE_CAP_FRAGMENT_SHADER_INTERLOCK,
    945    PIPE_CAP_FBFETCH_COHERENT,
    946    PIPE_CAP_CS_DERIVED_SYSTEM_VALUES_SUPPORTED,
    947    PIPE_CAP_ATOMIC_FLOAT_MINMAX,
    948    PIPE_CAP_TGSI_DIV,
    949    PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD,
    950    PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES,
    951    PIPE_CAP_VERTEX_SHADER_SATURATE,
    952    PIPE_CAP_TEXTURE_SHADOW_LOD,
    953    PIPE_CAP_SHADER_SAMPLES_IDENTICAL,
    954    PIPE_CAP_TGSI_ATOMINC_WRAP,
    955    PIPE_CAP_PREFER_IMM_ARRAYS_AS_CONSTBUF,
    956    PIPE_CAP_GL_SPIRV,
    957    PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS,
    958    PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION,
    959    PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE,
    960    PIPE_CAP_FLATSHADE,
    961    PIPE_CAP_ALPHA_TEST,
    962    PIPE_CAP_POINT_SIZE_FIXED,
    963    PIPE_CAP_TWO_SIDED_COLOR,
    964    PIPE_CAP_CLIP_PLANES,
    965    PIPE_CAP_MAX_VERTEX_BUFFERS,
    966    PIPE_CAP_OPENCL_INTEGER_FUNCTIONS,
    967    PIPE_CAP_INTEGER_MULTIPLY_32X16,
    968    /* Turn draw, dispatch, blit into NOOP */
    969    PIPE_CAP_FRONTEND_NOOP,
    970    PIPE_CAP_NIR_IMAGES_AS_DEREF,
    971    PIPE_CAP_PACKED_STREAM_OUTPUT,
    972    PIPE_CAP_VIEWPORT_TRANSFORM_LOWERED,
    973    PIPE_CAP_PSIZ_CLAMPED,
    974    PIPE_CAP_GL_BEGIN_END_BUFFER_SIZE,
    975    PIPE_CAP_VIEWPORT_SWIZZLE,
    976    PIPE_CAP_SYSTEM_SVM,
    977    PIPE_CAP_VIEWPORT_MASK,
    978    PIPE_CAP_ALPHA_TO_COVERAGE_DITHER_CONTROL,
    979    PIPE_CAP_MAP_UNSYNCHRONIZED_THREAD_SAFE,
    980    PIPE_CAP_GLSL_ZERO_INIT,
    981    PIPE_CAP_BLEND_EQUATION_ADVANCED,
    982    PIPE_CAP_NIR_ATOMICS_AS_DEREF,
    983    PIPE_CAP_NO_CLIP_ON_COPY_TEX,
    984    PIPE_CAP_MAX_TEXTURE_MB,
    985    PIPE_CAP_SHADER_ATOMIC_INT64,
    986    PIPE_CAP_DEVICE_PROTECTED_CONTENT,
    987    PIPE_CAP_PREFER_REAL_BUFFER_IN_CONSTBUF0,
    988    PIPE_CAP_GL_CLAMP,
    989    PIPE_CAP_TEXRECT,
    990    PIPE_CAP_SAMPLER_REDUCTION_MINMAX,
    991    PIPE_CAP_SAMPLER_REDUCTION_MINMAX_ARB,
    992    PIPE_CAP_ALLOW_DYNAMIC_VAO_FASTPATH,
    993    PIPE_CAP_EMULATE_NONFIXED_PRIMITIVE_RESTART,
    994    PIPE_CAP_SUPPORTED_PRIM_MODES,
    995    PIPE_CAP_SUPPORTED_PRIM_MODES_WITH_RESTART,
    996    PIPE_CAP_PREFER_BACK_BUFFER_REUSE,
    997    PIPE_CAP_DRAW_VERTEX_STATE,
    998 
    999    PIPE_CAP_LAST,
   1000    /* XXX do not add caps after PIPE_CAP_LAST! */
   1001 };
   1002 
   1003 /**
   1004  * Possible bits for PIPE_CAP_CONTEXT_PRIORITY_MASK param, which should
   1005  * return a bitmask of the supported priorities.  If the driver does not
   1006  * support prioritized contexts, it can return 0.
   1007  *
   1008  * Note that these match __DRI2_RENDERER_HAS_CONTEXT_PRIORITY_*
   1009  */
   1010 #define PIPE_CONTEXT_PRIORITY_LOW     (1 << 0)
   1011 #define PIPE_CONTEXT_PRIORITY_MEDIUM  (1 << 1)
   1012 #define PIPE_CONTEXT_PRIORITY_HIGH    (1 << 2)
   1013 
   1014 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
   1015 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600 (1 << 1)
   1016 
   1017 enum pipe_endian
   1018 {
   1019    PIPE_ENDIAN_LITTLE = 0,
   1020    PIPE_ENDIAN_BIG = 1,
   1021 #if UTIL_ARCH_LITTLE_ENDIAN
   1022    PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_LITTLE
   1023 #elif UTIL_ARCH_BIG_ENDIAN
   1024    PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_BIG
   1025 #endif
   1026 };
   1027 
   1028 /**
   1029  * Implementation limits which are queried through
   1030  * pipe_screen::get_paramf()
   1031  */
   1032 enum pipe_capf
   1033 {
   1034    PIPE_CAPF_MAX_LINE_WIDTH,
   1035    PIPE_CAPF_MAX_LINE_WIDTH_AA,
   1036    PIPE_CAPF_MAX_POINT_WIDTH,
   1037    PIPE_CAPF_MAX_POINT_WIDTH_AA,
   1038    PIPE_CAPF_MAX_TEXTURE_ANISOTROPY,
   1039    PIPE_CAPF_MAX_TEXTURE_LOD_BIAS,
   1040    PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE,
   1041    PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE,
   1042    PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY,
   1043 };
   1044 
   1045 /** Shader caps not specific to any single stage */
   1046 enum pipe_shader_cap
   1047 {
   1048    PIPE_SHADER_CAP_MAX_INSTRUCTIONS, /* if 0, it means the stage is unsupported */
   1049    PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS,
   1050    PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS,
   1051    PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS,
   1052    PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH,
   1053    PIPE_SHADER_CAP_MAX_INPUTS,
   1054    PIPE_SHADER_CAP_MAX_OUTPUTS,
   1055    PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE,
   1056    PIPE_SHADER_CAP_MAX_CONST_BUFFERS,
   1057    PIPE_SHADER_CAP_MAX_TEMPS,
   1058    /* boolean caps */
   1059    PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED,
   1060    PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR,
   1061    PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR,
   1062    PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR,
   1063    PIPE_SHADER_CAP_INDIRECT_CONST_ADDR,
   1064    PIPE_SHADER_CAP_SUBROUTINES, /* BGNSUB, ENDSUB, CAL, RET */
   1065    PIPE_SHADER_CAP_INTEGERS,
   1066    PIPE_SHADER_CAP_INT64_ATOMICS,
   1067    PIPE_SHADER_CAP_FP16,
   1068    PIPE_SHADER_CAP_FP16_DERIVATIVES,
   1069    PIPE_SHADER_CAP_FP16_CONST_BUFFERS,
   1070    PIPE_SHADER_CAP_INT16,
   1071    PIPE_SHADER_CAP_GLSL_16BIT_CONSTS,
   1072    PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS,
   1073    PIPE_SHADER_CAP_PREFERRED_IR,
   1074    PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED,
   1075    PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS,
   1076    PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED, /* all rounding modes */
   1077    PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED,
   1078    PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED,
   1079    PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE,
   1080    PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT,
   1081    PIPE_SHADER_CAP_MAX_SHADER_BUFFERS,
   1082    PIPE_SHADER_CAP_SUPPORTED_IRS,
   1083    PIPE_SHADER_CAP_MAX_SHADER_IMAGES,
   1084    PIPE_SHADER_CAP_LOWER_IF_THRESHOLD,
   1085    PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS,
   1086    PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED,
   1087    PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS,
   1088    PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS,
   1089 };
   1090 
   1091 /**
   1092  * Shader intermediate representation.
   1093  *
   1094  * Note that if the driver requests something other than TGSI, it must
   1095  * always be prepared to receive TGSI in addition to its preferred IR.
   1096  * If the driver requests TGSI as its preferred IR, it will *always*
   1097  * get TGSI.
   1098  *
   1099  * Note that PIPE_SHADER_IR_TGSI should be zero for backwards compat with
   1100  * gallium frontends that only understand TGSI.
   1101  */
   1102 enum pipe_shader_ir
   1103 {
   1104    PIPE_SHADER_IR_TGSI = 0,
   1105    PIPE_SHADER_IR_NATIVE,
   1106    PIPE_SHADER_IR_NIR,
   1107    PIPE_SHADER_IR_NIR_SERIALIZED,
   1108 };
   1109 
   1110 /**
   1111  * Compute-specific implementation capability.  They can be queried
   1112  * using pipe_screen::get_compute_param.
   1113  */
   1114 enum pipe_compute_cap
   1115 {
   1116    PIPE_COMPUTE_CAP_ADDRESS_BITS,
   1117    PIPE_COMPUTE_CAP_IR_TARGET,
   1118    PIPE_COMPUTE_CAP_GRID_DIMENSION,
   1119    PIPE_COMPUTE_CAP_MAX_GRID_SIZE,
   1120    PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE,
   1121    PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK,
   1122    PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE,
   1123    PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE,
   1124    PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE,
   1125    PIPE_COMPUTE_CAP_MAX_INPUT_SIZE,
   1126    PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
   1127    PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY,
   1128    PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS,
   1129    PIPE_COMPUTE_CAP_IMAGES_SUPPORTED,
   1130    PIPE_COMPUTE_CAP_SUBGROUP_SIZE,
   1131    PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK,
   1132 };
   1133 
   1134 /**
   1135  * Resource parameters. They can be queried using
   1136  * pipe_screen::get_resource_param.
   1137  */
   1138 enum pipe_resource_param
   1139 {
   1140    PIPE_RESOURCE_PARAM_NPLANES,
   1141    PIPE_RESOURCE_PARAM_STRIDE,
   1142    PIPE_RESOURCE_PARAM_OFFSET,
   1143    PIPE_RESOURCE_PARAM_MODIFIER,
   1144    PIPE_RESOURCE_PARAM_HANDLE_TYPE_SHARED,
   1145    PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS,
   1146    PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD,
   1147    PIPE_RESOURCE_PARAM_LAYER_STRIDE,
   1148 };
   1149 
   1150 /**
   1151  * Types of parameters for pipe_context::set_context_param.
   1152  */
   1153 enum pipe_context_param
   1154 {
   1155    /* A hint for the driver that it should pin its execution threads to
   1156     * a group of cores sharing a specific L3 cache if the CPU has multiple
   1157     * L3 caches. This is needed for good multithreading performance on
   1158     * AMD Zen CPUs. "value" is the L3 cache index. Drivers that don't have
   1159     * any internal threads or don't run on affected CPUs can ignore this.
   1160     */
   1161    PIPE_CONTEXT_PARAM_PIN_THREADS_TO_L3_CACHE,
   1162 };
   1163 
   1164 /**
   1165  * Composite query types
   1166  */
   1167 
   1168 /**
   1169  * Query result for PIPE_QUERY_SO_STATISTICS.
   1170  */
   1171 struct pipe_query_data_so_statistics
   1172 {
   1173    uint64_t num_primitives_written;
   1174    uint64_t primitives_storage_needed;
   1175 };
   1176 
   1177 /**
   1178  * Query result for PIPE_QUERY_TIMESTAMP_DISJOINT.
   1179  */
   1180 struct pipe_query_data_timestamp_disjoint
   1181 {
   1182    uint64_t frequency;
   1183    bool     disjoint;
   1184 };
   1185 
   1186 /**
   1187  * Query result for PIPE_QUERY_PIPELINE_STATISTICS.
   1188  */
   1189 struct pipe_query_data_pipeline_statistics
   1190 {
   1191    uint64_t ia_vertices;    /**< Num vertices read by the vertex fetcher. */
   1192    uint64_t ia_primitives;  /**< Num primitives read by the vertex fetcher. */
   1193    uint64_t vs_invocations; /**< Num vertex shader invocations. */
   1194    uint64_t gs_invocations; /**< Num geometry shader invocations. */
   1195    uint64_t gs_primitives;  /**< Num primitives output by a geometry shader. */
   1196    uint64_t c_invocations;  /**< Num primitives sent to the rasterizer. */
   1197    uint64_t c_primitives;   /**< Num primitives that were rendered. */
   1198    uint64_t ps_invocations; /**< Num pixel shader invocations. */
   1199    uint64_t hs_invocations; /**< Num hull shader invocations. */
   1200    uint64_t ds_invocations; /**< Num domain shader invocations. */
   1201    uint64_t cs_invocations; /**< Num compute shader invocations. */
   1202 };
   1203 
   1204 /**
   1205  * For batch queries.
   1206  */
   1207 union pipe_numeric_type_union
   1208 {
   1209    uint64_t u64;
   1210    uint32_t u32;
   1211    float f;
   1212 };
   1213 
   1214 /**
   1215  * Query result (returned by pipe_context::get_query_result).
   1216  */
   1217 union pipe_query_result
   1218 {
   1219    /* PIPE_QUERY_OCCLUSION_PREDICATE */
   1220    /* PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE */
   1221    /* PIPE_QUERY_SO_OVERFLOW_PREDICATE */
   1222    /* PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE */
   1223    /* PIPE_QUERY_GPU_FINISHED */
   1224    bool b;
   1225 
   1226    /* PIPE_QUERY_OCCLUSION_COUNTER */
   1227    /* PIPE_QUERY_TIMESTAMP */
   1228    /* PIPE_QUERY_TIME_ELAPSED */
   1229    /* PIPE_QUERY_PRIMITIVES_GENERATED */
   1230    /* PIPE_QUERY_PRIMITIVES_EMITTED */
   1231    /* PIPE_DRIVER_QUERY_TYPE_UINT64 */
   1232    /* PIPE_DRIVER_QUERY_TYPE_BYTES */
   1233    /* PIPE_DRIVER_QUERY_TYPE_MICROSECONDS */
   1234    /* PIPE_DRIVER_QUERY_TYPE_HZ */
   1235    uint64_t u64;
   1236 
   1237    /* PIPE_DRIVER_QUERY_TYPE_UINT */
   1238    uint32_t u32;
   1239 
   1240    /* PIPE_DRIVER_QUERY_TYPE_FLOAT */
   1241    /* PIPE_DRIVER_QUERY_TYPE_PERCENTAGE */
   1242    float f;
   1243 
   1244    /* PIPE_QUERY_SO_STATISTICS */
   1245    struct pipe_query_data_so_statistics so_statistics;
   1246 
   1247    /* PIPE_QUERY_TIMESTAMP_DISJOINT */
   1248    struct pipe_query_data_timestamp_disjoint timestamp_disjoint;
   1249 
   1250    /* PIPE_QUERY_PIPELINE_STATISTICS */
   1251    struct pipe_query_data_pipeline_statistics pipeline_statistics;
   1252 
   1253    /* batch queries (variable length) */
   1254    union pipe_numeric_type_union batch[1];
   1255 };
   1256 
   1257 enum pipe_query_value_type
   1258 {
   1259    PIPE_QUERY_TYPE_I32,
   1260    PIPE_QUERY_TYPE_U32,
   1261    PIPE_QUERY_TYPE_I64,
   1262    PIPE_QUERY_TYPE_U64,
   1263 };
   1264 
   1265 union pipe_color_union
   1266 {
   1267    float f[4];
   1268    int i[4];
   1269    unsigned int ui[4];
   1270 };
   1271 
   1272 enum pipe_driver_query_type
   1273 {
   1274    PIPE_DRIVER_QUERY_TYPE_UINT64,
   1275    PIPE_DRIVER_QUERY_TYPE_UINT,
   1276    PIPE_DRIVER_QUERY_TYPE_FLOAT,
   1277    PIPE_DRIVER_QUERY_TYPE_PERCENTAGE,
   1278    PIPE_DRIVER_QUERY_TYPE_BYTES,
   1279    PIPE_DRIVER_QUERY_TYPE_MICROSECONDS,
   1280    PIPE_DRIVER_QUERY_TYPE_HZ,
   1281    PIPE_DRIVER_QUERY_TYPE_DBM,
   1282    PIPE_DRIVER_QUERY_TYPE_TEMPERATURE,
   1283    PIPE_DRIVER_QUERY_TYPE_VOLTS,
   1284    PIPE_DRIVER_QUERY_TYPE_AMPS,
   1285    PIPE_DRIVER_QUERY_TYPE_WATTS,
   1286 };
   1287 
   1288 /* Whether an average value per frame or a cumulative value should be
   1289  * displayed.
   1290  */
   1291 enum pipe_driver_query_result_type
   1292 {
   1293    PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE,
   1294    PIPE_DRIVER_QUERY_RESULT_TYPE_CUMULATIVE,
   1295 };
   1296 
   1297 /**
   1298  * Some hardware requires some hardware-specific queries to be submitted
   1299  * as batched queries. The corresponding query objects are created using
   1300  * create_batch_query, and at most one such query may be active at
   1301  * any time.
   1302  */
   1303 #define PIPE_DRIVER_QUERY_FLAG_BATCH     (1 << 0)
   1304 
   1305 /* Do not list this query in the HUD. */
   1306 #define PIPE_DRIVER_QUERY_FLAG_DONT_LIST (1 << 1)
   1307 
   1308 struct pipe_driver_query_info
   1309 {
   1310    const char *name;
   1311    unsigned query_type; /* PIPE_QUERY_DRIVER_SPECIFIC + i */
   1312    union pipe_numeric_type_union max_value; /* max value that can be returned */
   1313    enum pipe_driver_query_type type;
   1314    enum pipe_driver_query_result_type result_type;
   1315    unsigned group_id;
   1316    unsigned flags;
   1317 };
   1318 
   1319 struct pipe_driver_query_group_info
   1320 {
   1321    const char *name;
   1322    unsigned max_active_queries;
   1323    unsigned num_queries;
   1324 };
   1325 
   1326 enum pipe_fd_type
   1327 {
   1328    PIPE_FD_TYPE_NATIVE_SYNC,
   1329    PIPE_FD_TYPE_SYNCOBJ,
   1330 };
   1331 
   1332 /**
   1333  * counter type and counter data type enums used by INTEL_performance_query
   1334  * APIs in gallium drivers.
   1335  */
   1336 enum pipe_perf_counter_type
   1337 {
   1338    PIPE_PERF_COUNTER_TYPE_EVENT,
   1339    PIPE_PERF_COUNTER_TYPE_DURATION_NORM,
   1340    PIPE_PERF_COUNTER_TYPE_DURATION_RAW,
   1341    PIPE_PERF_COUNTER_TYPE_THROUGHPUT,
   1342    PIPE_PERF_COUNTER_TYPE_RAW,
   1343    PIPE_PERF_COUNTER_TYPE_TIMESTAMP,
   1344 };
   1345 
   1346 enum pipe_perf_counter_data_type
   1347 {
   1348    PIPE_PERF_COUNTER_DATA_TYPE_BOOL32,
   1349    PIPE_PERF_COUNTER_DATA_TYPE_UINT32,
   1350    PIPE_PERF_COUNTER_DATA_TYPE_UINT64,
   1351    PIPE_PERF_COUNTER_DATA_TYPE_FLOAT,
   1352    PIPE_PERF_COUNTER_DATA_TYPE_DOUBLE,
   1353 };
   1354 
   1355 #define PIPE_UUID_SIZE 16
   1356 
   1357 #ifdef PIPE_OS_UNIX
   1358 #define PIPE_MEMORY_FD
   1359 #endif
   1360 
   1361 #ifdef __cplusplus
   1362 }
   1363 #endif
   1364 
   1365 #endif
   1366