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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    PIPE_OK = 0,
     46    PIPE_ERROR = -1,    /**< Generic error */
     47    PIPE_ERROR_BAD_INPUT = -2,
     48    PIPE_ERROR_OUT_OF_MEMORY = -3,
     49    PIPE_ERROR_RETRY = -4
     50    /* TODO */
     51 };
     52 
     53 
     54 #define PIPE_BLENDFACTOR_ONE                 0x1
     55 #define PIPE_BLENDFACTOR_SRC_COLOR           0x2
     56 #define PIPE_BLENDFACTOR_SRC_ALPHA           0x3
     57 #define PIPE_BLENDFACTOR_DST_ALPHA           0x4
     58 #define PIPE_BLENDFACTOR_DST_COLOR           0x5
     59 #define PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE  0x6
     60 #define PIPE_BLENDFACTOR_CONST_COLOR         0x7
     61 #define PIPE_BLENDFACTOR_CONST_ALPHA         0x8
     62 #define PIPE_BLENDFACTOR_SRC1_COLOR          0x9
     63 #define PIPE_BLENDFACTOR_SRC1_ALPHA          0x0A
     64 #define PIPE_BLENDFACTOR_ZERO                0x11
     65 #define PIPE_BLENDFACTOR_INV_SRC_COLOR       0x12
     66 #define PIPE_BLENDFACTOR_INV_SRC_ALPHA       0x13
     67 #define PIPE_BLENDFACTOR_INV_DST_ALPHA       0x14
     68 #define PIPE_BLENDFACTOR_INV_DST_COLOR       0x15
     69 #define PIPE_BLENDFACTOR_INV_CONST_COLOR     0x17
     70 #define PIPE_BLENDFACTOR_INV_CONST_ALPHA     0x18
     71 #define PIPE_BLENDFACTOR_INV_SRC1_COLOR      0x19
     72 #define PIPE_BLENDFACTOR_INV_SRC1_ALPHA      0x1A
     73 
     74 #define PIPE_BLEND_ADD               0
     75 #define PIPE_BLEND_SUBTRACT          1
     76 #define PIPE_BLEND_REVERSE_SUBTRACT  2
     77 #define PIPE_BLEND_MIN               3
     78 #define PIPE_BLEND_MAX               4
     79 
     80 #define PIPE_LOGICOP_CLEAR            0
     81 #define PIPE_LOGICOP_NOR              1
     82 #define PIPE_LOGICOP_AND_INVERTED     2
     83 #define PIPE_LOGICOP_COPY_INVERTED    3
     84 #define PIPE_LOGICOP_AND_REVERSE      4
     85 #define PIPE_LOGICOP_INVERT           5
     86 #define PIPE_LOGICOP_XOR              6
     87 #define PIPE_LOGICOP_NAND             7
     88 #define PIPE_LOGICOP_AND              8
     89 #define PIPE_LOGICOP_EQUIV            9
     90 #define PIPE_LOGICOP_NOOP             10
     91 #define PIPE_LOGICOP_OR_INVERTED      11
     92 #define PIPE_LOGICOP_COPY             12
     93 #define PIPE_LOGICOP_OR_REVERSE       13
     94 #define PIPE_LOGICOP_OR               14
     95 #define PIPE_LOGICOP_SET              15
     96 
     97 #define PIPE_MASK_R  0x1
     98 #define PIPE_MASK_G  0x2
     99 #define PIPE_MASK_B  0x4
    100 #define PIPE_MASK_A  0x8
    101 #define PIPE_MASK_RGBA 0xf
    102 #define PIPE_MASK_Z  0x10
    103 #define PIPE_MASK_S  0x20
    104 #define PIPE_MASK_ZS 0x30
    105 #define PIPE_MASK_RGBAZS (PIPE_MASK_RGBA|PIPE_MASK_ZS)
    106 
    107 
    108 /**
    109  * Inequality functions.  Used for depth test, stencil compare, alpha
    110  * test, shadow compare, etc.
    111  */
    112 #define PIPE_FUNC_NEVER    0
    113 #define PIPE_FUNC_LESS     1
    114 #define PIPE_FUNC_EQUAL    2
    115 #define PIPE_FUNC_LEQUAL   3
    116 #define PIPE_FUNC_GREATER  4
    117 #define PIPE_FUNC_NOTEQUAL 5
    118 #define PIPE_FUNC_GEQUAL   6
    119 #define PIPE_FUNC_ALWAYS   7
    120 
    121 /** Polygon fill mode */
    122 #define PIPE_POLYGON_MODE_FILL  0
    123 #define PIPE_POLYGON_MODE_LINE  1
    124 #define PIPE_POLYGON_MODE_POINT 2
    125 
    126 /** Polygon face specification, eg for culling */
    127 #define PIPE_FACE_NONE           0
    128 #define PIPE_FACE_FRONT          1
    129 #define PIPE_FACE_BACK           2
    130 #define PIPE_FACE_FRONT_AND_BACK (PIPE_FACE_FRONT | PIPE_FACE_BACK)
    131 
    132 /** Stencil ops */
    133 #define PIPE_STENCIL_OP_KEEP       0
    134 #define PIPE_STENCIL_OP_ZERO       1
    135 #define PIPE_STENCIL_OP_REPLACE    2
    136 #define PIPE_STENCIL_OP_INCR       3
    137 #define PIPE_STENCIL_OP_DECR       4
    138 #define PIPE_STENCIL_OP_INCR_WRAP  5
    139 #define PIPE_STENCIL_OP_DECR_WRAP  6
    140 #define PIPE_STENCIL_OP_INVERT     7
    141 
    142 /** Texture types.
    143  * See the documentation for info on PIPE_TEXTURE_RECT vs PIPE_TEXTURE_2D */
    144 enum pipe_texture_target {
    145    PIPE_BUFFER           = 0,
    146    PIPE_TEXTURE_1D       = 1,
    147    PIPE_TEXTURE_2D       = 2,
    148    PIPE_TEXTURE_3D       = 3,
    149    PIPE_TEXTURE_CUBE     = 4,
    150    PIPE_TEXTURE_RECT     = 5,
    151    PIPE_TEXTURE_1D_ARRAY = 6,
    152    PIPE_TEXTURE_2D_ARRAY = 7,
    153    PIPE_TEXTURE_CUBE_ARRAY = 8,
    154    PIPE_MAX_TEXTURE_TYPES
    155 };
    156 
    157 #define PIPE_TEX_FACE_POS_X 0
    158 #define PIPE_TEX_FACE_NEG_X 1
    159 #define PIPE_TEX_FACE_POS_Y 2
    160 #define PIPE_TEX_FACE_NEG_Y 3
    161 #define PIPE_TEX_FACE_POS_Z 4
    162 #define PIPE_TEX_FACE_NEG_Z 5
    163 #define PIPE_TEX_FACE_MAX   6
    164 
    165 #define PIPE_TEX_WRAP_REPEAT                   0
    166 #define PIPE_TEX_WRAP_CLAMP                    1
    167 #define PIPE_TEX_WRAP_CLAMP_TO_EDGE            2
    168 #define PIPE_TEX_WRAP_CLAMP_TO_BORDER          3
    169 #define PIPE_TEX_WRAP_MIRROR_REPEAT            4
    170 #define PIPE_TEX_WRAP_MIRROR_CLAMP             5
    171 #define PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE     6
    172 #define PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER   7
    173 
    174 /* Between mipmaps, ie mipfilter
    175  */
    176 #define PIPE_TEX_MIPFILTER_NEAREST  0
    177 #define PIPE_TEX_MIPFILTER_LINEAR   1
    178 #define PIPE_TEX_MIPFILTER_NONE     2
    179 
    180 /* Within a mipmap, ie min/mag filter
    181  */
    182 #define PIPE_TEX_FILTER_NEAREST      0
    183 #define PIPE_TEX_FILTER_LINEAR       1
    184 
    185 #define PIPE_TEX_COMPARE_NONE          0
    186 #define PIPE_TEX_COMPARE_R_TO_TEXTURE  1
    187 
    188 /**
    189  * Clear buffer bits
    190  */
    191 #define PIPE_CLEAR_DEPTH        (1 << 0)
    192 #define PIPE_CLEAR_STENCIL      (1 << 1)
    193 #define PIPE_CLEAR_COLOR0       (1 << 2)
    194 #define PIPE_CLEAR_COLOR1       (1 << 3)
    195 #define PIPE_CLEAR_COLOR2       (1 << 4)
    196 #define PIPE_CLEAR_COLOR3       (1 << 5)
    197 #define PIPE_CLEAR_COLOR4       (1 << 6)
    198 #define PIPE_CLEAR_COLOR5       (1 << 7)
    199 #define PIPE_CLEAR_COLOR6       (1 << 8)
    200 #define PIPE_CLEAR_COLOR7       (1 << 9)
    201 /** Combined flags */
    202 /** All color buffers currently bound */
    203 #define PIPE_CLEAR_COLOR        (PIPE_CLEAR_COLOR0 | PIPE_CLEAR_COLOR1 | \
    204                                  PIPE_CLEAR_COLOR2 | PIPE_CLEAR_COLOR3 | \
    205                                  PIPE_CLEAR_COLOR4 | PIPE_CLEAR_COLOR5 | \
    206                                  PIPE_CLEAR_COLOR6 | PIPE_CLEAR_COLOR7)
    207 #define PIPE_CLEAR_DEPTHSTENCIL (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)
    208 
    209 /**
    210  * Transfer object usage flags
    211  */
    212 enum pipe_transfer_usage {
    213    /**
    214     * Resource contents read back (or accessed directly) at transfer
    215     * create time.
    216     */
    217    PIPE_TRANSFER_READ = (1 << 0),
    218 
    219    /**
    220     * Resource contents will be written back at transfer_unmap
    221     * time (or modified as a result of being accessed directly).
    222     */
    223    PIPE_TRANSFER_WRITE = (1 << 1),
    224 
    225    /**
    226     * Read/modify/write
    227     */
    228    PIPE_TRANSFER_READ_WRITE = PIPE_TRANSFER_READ | PIPE_TRANSFER_WRITE,
    229 
    230    /**
    231     * The transfer should map the texture storage directly. The driver may
    232     * return NULL if that isn't possible, and the state tracker needs to cope
    233     * with that and use an alternative path without this flag.
    234     *
    235     * E.g. the state tracker could have a simpler path which maps textures and
    236     * does read/modify/write cycles on them directly, and a more complicated
    237     * path which uses minimal read and write transfers.
    238     */
    239    PIPE_TRANSFER_MAP_DIRECTLY = (1 << 2),
    240 
    241    /**
    242     * Discards the memory within the mapped region.
    243     *
    244     * It should not be used with PIPE_TRANSFER_READ.
    245     *
    246     * See also:
    247     * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_RANGE_BIT flag.
    248     */
    249    PIPE_TRANSFER_DISCARD_RANGE = (1 << 8),
    250 
    251    /**
    252     * Fail if the resource cannot be mapped immediately.
    253     *
    254     * See also:
    255     * - Direct3D's D3DLOCK_DONOTWAIT flag.
    256     * - Mesa3D's MESA_MAP_NOWAIT_BIT flag.
    257     * - WDDM's D3DDDICB_LOCKFLAGS.DonotWait flag.
    258     */
    259    PIPE_TRANSFER_DONTBLOCK = (1 << 9),
    260 
    261    /**
    262     * Do not attempt to synchronize pending operations on the resource when mapping.
    263     *
    264     * It should not be used with PIPE_TRANSFER_READ.
    265     *
    266     * See also:
    267     * - OpenGL's ARB_map_buffer_range extension, MAP_UNSYNCHRONIZED_BIT flag.
    268     * - Direct3D's D3DLOCK_NOOVERWRITE flag.
    269     * - WDDM's D3DDDICB_LOCKFLAGS.IgnoreSync flag.
    270     */
    271    PIPE_TRANSFER_UNSYNCHRONIZED = (1 << 10),
    272 
    273    /**
    274     * Written ranges will be notified later with
    275     * pipe_context::transfer_flush_region.
    276     *
    277     * It should not be used with PIPE_TRANSFER_READ.
    278     *
    279     * See also:
    280     * - pipe_context::transfer_flush_region
    281     * - OpenGL's ARB_map_buffer_range extension, MAP_FLUSH_EXPLICIT_BIT flag.
    282     */
    283    PIPE_TRANSFER_FLUSH_EXPLICIT = (1 << 11),
    284 
    285    /**
    286     * Discards all memory backing the resource.
    287     *
    288     * It should not be used with PIPE_TRANSFER_READ.
    289     *
    290     * This is equivalent to:
    291     * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_BUFFER_BIT
    292     * - BufferData(NULL) on a GL buffer
    293     * - Direct3D's D3DLOCK_DISCARD flag.
    294     * - WDDM's D3DDDICB_LOCKFLAGS.Discard flag.
    295     * - D3D10 DDI's D3D10_DDI_MAP_WRITE_DISCARD flag
    296     * - D3D10's D3D10_MAP_WRITE_DISCARD flag.
    297     */
    298    PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE = (1 << 12),
    299 
    300    /**
    301     * Allows the resource to be used for rendering while mapped.
    302     *
    303     * PIPE_RESOURCE_FLAG_MAP_PERSISTENT must be set when creating
    304     * the resource.
    305     *
    306     * If COHERENT is not set, memory_barrier(PIPE_BARRIER_MAPPED_BUFFER)
    307     * must be called to ensure the device can see what the CPU has written.
    308     */
    309    PIPE_TRANSFER_PERSISTENT = (1 << 13),
    310 
    311    /**
    312     * If PERSISTENT is set, this ensures any writes done by the device are
    313     * immediately visible to the CPU and vice versa.
    314     *
    315     * PIPE_RESOURCE_FLAG_MAP_COHERENT must be set when creating
    316     * the resource.
    317     */
    318    PIPE_TRANSFER_COHERENT = (1 << 14)
    319 };
    320 
    321 /**
    322  * Flags for the flush function.
    323  */
    324 enum pipe_flush_flags {
    325    PIPE_FLUSH_END_OF_FRAME = (1 << 0)
    326 };
    327 
    328 /**
    329  * Flags for pipe_context::memory_barrier.
    330  */
    331 #define PIPE_BARRIER_MAPPED_BUFFER     (1 << 0)
    332 #define PIPE_BARRIER_SHADER_BUFFER     (1 << 1)
    333 #define PIPE_BARRIER_QUERY_BUFFER      (1 << 2)
    334 #define PIPE_BARRIER_VERTEX_BUFFER     (1 << 3)
    335 #define PIPE_BARRIER_INDEX_BUFFER      (1 << 4)
    336 #define PIPE_BARRIER_CONSTANT_BUFFER   (1 << 5)
    337 #define PIPE_BARRIER_INDIRECT_BUFFER   (1 << 6)
    338 #define PIPE_BARRIER_TEXTURE           (1 << 7)
    339 #define PIPE_BARRIER_IMAGE             (1 << 8)
    340 #define PIPE_BARRIER_FRAMEBUFFER       (1 << 9)
    341 #define PIPE_BARRIER_STREAMOUT_BUFFER  (1 << 10)
    342 #define PIPE_BARRIER_GLOBAL_BUFFER     (1 << 11)
    343 #define PIPE_BARRIER_ALL               ((1 << 12) - 1)
    344 
    345 /**
    346  * Flags for pipe_context::texture_barrier.
    347  */
    348 #define PIPE_TEXTURE_BARRIER_SAMPLER      (1 << 0)
    349 #define PIPE_TEXTURE_BARRIER_FRAMEBUFFER  (1 << 1)
    350 
    351 /*
    352  * Resource binding flags -- state tracker must specify in advance all
    353  * the ways a resource might be used.
    354  */
    355 #define PIPE_BIND_DEPTH_STENCIL        (1 << 0) /* create_surface */
    356 #define PIPE_BIND_RENDER_TARGET        (1 << 1) /* create_surface */
    357 #define PIPE_BIND_BLENDABLE            (1 << 2) /* create_surface */
    358 #define PIPE_BIND_SAMPLER_VIEW         (1 << 3) /* create_sampler_view */
    359 #define PIPE_BIND_VERTEX_BUFFER        (1 << 4) /* set_vertex_buffers */
    360 #define PIPE_BIND_INDEX_BUFFER         (1 << 5) /* draw_elements */
    361 #define PIPE_BIND_CONSTANT_BUFFER      (1 << 6) /* set_constant_buffer */
    362 #define PIPE_BIND_DISPLAY_TARGET       (1 << 8) /* flush_front_buffer */
    363 #define PIPE_BIND_TRANSFER_WRITE       (1 << 9) /* transfer_map */
    364 #define PIPE_BIND_TRANSFER_READ        (1 << 10) /* transfer_map */
    365 #define PIPE_BIND_STREAM_OUTPUT        (1 << 11) /* set_stream_output_buffers */
    366 #define PIPE_BIND_CURSOR               (1 << 16) /* mouse cursor */
    367 #define PIPE_BIND_CUSTOM               (1 << 17) /* state-tracker/winsys usages */
    368 #define PIPE_BIND_GLOBAL               (1 << 18) /* set_global_binding */
    369 #define PIPE_BIND_SHADER_RESOURCE      (1 << 19) /* set_shader_resources */
    370 #define PIPE_BIND_COMPUTE_RESOURCE     (1 << 20) /* set_compute_resources */
    371 #define PIPE_BIND_COMMAND_ARGS_BUFFER  (1 << 21) /* pipe_draw_info.indirect */
    372 
    373 /* The first two flags above were previously part of the amorphous
    374  * TEXTURE_USAGE, most of which are now descriptions of the ways a
    375  * particular texture can be bound to the gallium pipeline.  The two flags
    376  * below do not fit within that and probably need to be migrated to some
    377  * other place.
    378  *
    379  * It seems like scanout is used by the Xorg state tracker to ask for
    380  * a texture suitable for actual scanout (hence the name), which
    381  * implies extra layout constraints on some hardware.  It may also
    382  * have some special meaning regarding mouse cursor images.
    383  *
    384  * The shared flag is quite underspecified, but certainly isn't a
    385  * binding flag - it seems more like a message to the winsys to create
    386  * a shareable allocation.
    387  *
    388  * The third flag has been added to be able to force textures to be created
    389  * in linear mode (no tiling).
    390  */
    391 #define PIPE_BIND_SCANOUT     (1 << 14) /*  */
    392 #define PIPE_BIND_SHARED      (1 << 15) /* get_texture_handle ??? */
    393 #define PIPE_BIND_LINEAR      (1 << 21)
    394 
    395 
    396 /* Flags for the driver about resource behaviour:
    397  */
    398 #define PIPE_RESOURCE_FLAG_MAP_PERSISTENT (1 << 0)
    399 #define PIPE_RESOURCE_FLAG_MAP_COHERENT   (1 << 1)
    400 #define PIPE_RESOURCE_FLAG_DRV_PRIV    (1 << 16) /* driver/winsys private */
    401 #define PIPE_RESOURCE_FLAG_ST_PRIV     (1 << 24) /* state-tracker/winsys private */
    402 
    403 /* Hint about the expected lifecycle of a resource.
    404  * Sorted according to GPU vs CPU access.
    405  */
    406 #define PIPE_USAGE_DEFAULT        0 /* fast GPU access */
    407 #define PIPE_USAGE_IMMUTABLE      1 /* fast GPU access, immutable */
    408 #define PIPE_USAGE_DYNAMIC        2 /* uploaded data is used multiple times */
    409 #define PIPE_USAGE_STREAM         3 /* uploaded data is used once */
    410 #define PIPE_USAGE_STAGING        4 /* fast CPU access */
    411 
    412 
    413 /**
    414  * Shaders
    415  */
    416 #define PIPE_SHADER_VERTEX   0
    417 #define PIPE_SHADER_FRAGMENT 1
    418 #define PIPE_SHADER_GEOMETRY 2
    419 #define PIPE_SHADER_TESS_CTRL 3
    420 #define PIPE_SHADER_TESS_EVAL 4
    421 #define PIPE_SHADER_COMPUTE  5
    422 #define PIPE_SHADER_TYPES    6
    423 
    424 
    425 /**
    426  * Primitive types:
    427  */
    428 #define PIPE_PRIM_POINTS                    0
    429 #define PIPE_PRIM_LINES                     1
    430 #define PIPE_PRIM_LINE_LOOP                 2
    431 #define PIPE_PRIM_LINE_STRIP                3
    432 #define PIPE_PRIM_TRIANGLES                 4
    433 #define PIPE_PRIM_TRIANGLE_STRIP            5
    434 #define PIPE_PRIM_TRIANGLE_FAN              6
    435 #define PIPE_PRIM_QUADS                     7
    436 #define PIPE_PRIM_QUAD_STRIP                8
    437 #define PIPE_PRIM_POLYGON                   9
    438 #define PIPE_PRIM_LINES_ADJACENCY          10
    439 #define PIPE_PRIM_LINE_STRIP_ADJACENCY     11
    440 #define PIPE_PRIM_TRIANGLES_ADJACENCY      12
    441 #define PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY 13
    442 #define PIPE_PRIM_PATCHES                  14
    443 #define PIPE_PRIM_MAX                      15
    444 
    445 
    446 /**
    447  * Tessellator spacing types
    448  */
    449 #define PIPE_TESS_SPACING_FRACTIONAL_ODD    0
    450 #define PIPE_TESS_SPACING_FRACTIONAL_EVEN   1
    451 #define PIPE_TESS_SPACING_EQUAL             2
    452 
    453 /**
    454  * Query object types
    455  */
    456 #define PIPE_QUERY_OCCLUSION_COUNTER     0
    457 #define PIPE_QUERY_OCCLUSION_PREDICATE   1
    458 #define PIPE_QUERY_TIMESTAMP             2
    459 #define PIPE_QUERY_TIMESTAMP_DISJOINT    3
    460 #define PIPE_QUERY_TIME_ELAPSED          4
    461 #define PIPE_QUERY_PRIMITIVES_GENERATED  5
    462 #define PIPE_QUERY_PRIMITIVES_EMITTED    6
    463 #define PIPE_QUERY_SO_STATISTICS         7
    464 #define PIPE_QUERY_SO_OVERFLOW_PREDICATE 8
    465 #define PIPE_QUERY_GPU_FINISHED          9
    466 #define PIPE_QUERY_PIPELINE_STATISTICS  10
    467 #define PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE 11
    468 #define PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE 12
    469 #define PIPE_QUERY_TYPES                13
    470 
    471 /* start of driver queries,
    472  * see pipe_screen::get_driver_query_info */
    473 #define PIPE_QUERY_DRIVER_SPECIFIC     256
    474 
    475 
    476 /**
    477  * Conditional rendering modes
    478  */
    479 #define PIPE_RENDER_COND_WAIT              0
    480 #define PIPE_RENDER_COND_NO_WAIT           1
    481 #define PIPE_RENDER_COND_BY_REGION_WAIT    2
    482 #define PIPE_RENDER_COND_BY_REGION_NO_WAIT 3
    483 
    484 
    485 /**
    486  * Point sprite coord modes
    487  */
    488 #define PIPE_SPRITE_COORD_UPPER_LEFT 0
    489 #define PIPE_SPRITE_COORD_LOWER_LEFT 1
    490 
    491 
    492 /**
    493  * Texture swizzles
    494  */
    495 #define PIPE_SWIZZLE_RED   0
    496 #define PIPE_SWIZZLE_GREEN 1
    497 #define PIPE_SWIZZLE_BLUE  2
    498 #define PIPE_SWIZZLE_ALPHA 3
    499 #define PIPE_SWIZZLE_ZERO  4
    500 #define PIPE_SWIZZLE_ONE   5
    501 
    502 
    503 #define PIPE_TIMEOUT_INFINITE 0xffffffffffffffffull
    504 
    505 /**
    506  * pipe_image_view access flags.
    507  */
    508 #define PIPE_IMAGE_ACCESS_READ       (1 << 0)
    509 #define PIPE_IMAGE_ACCESS_WRITE      (1 << 1)
    510 #define PIPE_IMAGE_ACCESS_READ_WRITE (PIPE_IMAGE_ACCESS_READ | \
    511                                       PIPE_IMAGE_ACCESS_WRITE)
    512 
    513 /**
    514  * Implementation capabilities/limits which are queried through
    515  * pipe_screen::get_param()
    516  */
    517 enum pipe_cap {
    518    PIPE_CAP_NPOT_TEXTURES = 1,
    519    PIPE_CAP_TWO_SIDED_STENCIL = 2,
    520    PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS = 4,
    521    PIPE_CAP_ANISOTROPIC_FILTER = 5,
    522    PIPE_CAP_POINT_SPRITE = 6,
    523    PIPE_CAP_MAX_RENDER_TARGETS = 7,
    524    PIPE_CAP_OCCLUSION_QUERY = 8,
    525    PIPE_CAP_QUERY_TIME_ELAPSED = 9,
    526    PIPE_CAP_TEXTURE_SHADOW_MAP = 10,
    527    PIPE_CAP_TEXTURE_SWIZZLE = 11,
    528    PIPE_CAP_MAX_TEXTURE_2D_LEVELS = 12,
    529    PIPE_CAP_MAX_TEXTURE_3D_LEVELS = 13,
    530    PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS = 14,
    531    PIPE_CAP_TEXTURE_MIRROR_CLAMP = 25,
    532    PIPE_CAP_BLEND_EQUATION_SEPARATE = 28,
    533    PIPE_CAP_SM3 = 29,  /*< Shader Model, supported */
    534    PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS = 30,
    535    PIPE_CAP_PRIMITIVE_RESTART = 31,
    536    /** blend enables and write masks per rendertarget */
    537    PIPE_CAP_INDEP_BLEND_ENABLE = 33,
    538    /** different blend funcs per rendertarget */
    539    PIPE_CAP_INDEP_BLEND_FUNC = 34,
    540    PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS = 36,
    541    PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT = 37,
    542    PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT = 38,
    543    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER = 39,
    544    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER = 40,
    545    PIPE_CAP_DEPTH_CLIP_DISABLE = 41,
    546    PIPE_CAP_SHADER_STENCIL_EXPORT = 42,
    547    PIPE_CAP_TGSI_INSTANCEID = 43,
    548    PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR = 44,
    549    PIPE_CAP_FRAGMENT_COLOR_CLAMPED = 45,
    550    PIPE_CAP_MIXED_COLORBUFFER_FORMATS = 46,
    551    PIPE_CAP_SEAMLESS_CUBE_MAP = 47,
    552    PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE = 48,
    553    PIPE_CAP_MIN_TEXEL_OFFSET = 50,
    554    PIPE_CAP_MAX_TEXEL_OFFSET = 51,
    555    PIPE_CAP_CONDITIONAL_RENDER = 52,
    556    PIPE_CAP_TEXTURE_BARRIER = 53,
    557    PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS = 55,
    558    PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS = 56,
    559    PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME = 57,
    560    PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS = 59, /* temporary */
    561    PIPE_CAP_VERTEX_COLOR_UNCLAMPED = 60,
    562    PIPE_CAP_VERTEX_COLOR_CLAMPED = 61,
    563    PIPE_CAP_GLSL_FEATURE_LEVEL = 62,
    564    PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION = 63,
    565    PIPE_CAP_USER_VERTEX_BUFFERS = 64,
    566    PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY = 65,
    567    PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY = 66,
    568    PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY = 67,
    569    PIPE_CAP_COMPUTE = 68,
    570    PIPE_CAP_USER_INDEX_BUFFERS = 69,
    571    PIPE_CAP_USER_CONSTANT_BUFFERS = 70,
    572    PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT = 71,
    573    PIPE_CAP_START_INSTANCE = 72,
    574    PIPE_CAP_QUERY_TIMESTAMP = 73,
    575    PIPE_CAP_TEXTURE_MULTISAMPLE = 74,
    576    PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT = 75,
    577    PIPE_CAP_CUBE_MAP_ARRAY = 76,
    578    PIPE_CAP_TEXTURE_BUFFER_OBJECTS = 77,
    579    PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT = 78,
    580    PIPE_CAP_TGSI_TEXCOORD = 79,
    581    PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER = 80,
    582    PIPE_CAP_QUERY_PIPELINE_STATISTICS = 81,
    583    PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK = 82,
    584    PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE = 83,
    585    PIPE_CAP_MAX_VIEWPORTS = 84,
    586    PIPE_CAP_ENDIANNESS = 85,
    587    PIPE_CAP_MIXED_FRAMEBUFFER_SIZES = 86,
    588    PIPE_CAP_TGSI_VS_LAYER_VIEWPORT = 87,
    589    PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES = 88,
    590    PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS = 89,
    591    PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS = 90,
    592    PIPE_CAP_TEXTURE_GATHER_SM5 = 91,
    593    PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT = 92,
    594    PIPE_CAP_FAKE_SW_MSAA = 93,
    595    PIPE_CAP_TEXTURE_QUERY_LOD = 94,
    596    PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET = 95,
    597    PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET = 96,
    598    PIPE_CAP_SAMPLE_SHADING = 97,
    599    PIPE_CAP_TEXTURE_GATHER_OFFSETS = 98,
    600    PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION = 99,
    601    PIPE_CAP_MAX_VERTEX_STREAMS = 100,
    602    PIPE_CAP_DRAW_INDIRECT = 101,
    603    PIPE_CAP_TGSI_FS_FINE_DERIVATIVE = 102,
    604    PIPE_CAP_VENDOR_ID = 103,
    605    PIPE_CAP_DEVICE_ID = 104,
    606    PIPE_CAP_ACCELERATED = 105,
    607    PIPE_CAP_VIDEO_MEMORY = 106,
    608    PIPE_CAP_UMA = 107,
    609    PIPE_CAP_CONDITIONAL_RENDER_INVERTED = 108,
    610    PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE = 109,
    611    PIPE_CAP_SAMPLER_VIEW_TARGET = 110,
    612    PIPE_CAP_CLIP_HALFZ = 111,
    613    PIPE_CAP_VERTEXID_NOBASE = 112,
    614    PIPE_CAP_POLYGON_OFFSET_CLAMP = 113,
    615 };
    616 
    617 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
    618 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600 (1 << 1)
    619 
    620 enum pipe_endian {
    621    PIPE_ENDIAN_LITTLE = 0,
    622    PIPE_ENDIAN_BIG = 1,
    623 #if defined(PIPE_ARCH_LITTLE_ENDIAN)
    624    PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_LITTLE
    625 #elif defined(PIPE_ARCH_BIG_ENDIAN)
    626    PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_BIG
    627 #endif
    628 };
    629 
    630 /**
    631  * Implementation limits which are queried through
    632  * pipe_screen::get_paramf()
    633  */
    634 enum pipe_capf
    635 {
    636    PIPE_CAPF_MAX_LINE_WIDTH,
    637    PIPE_CAPF_MAX_LINE_WIDTH_AA,
    638    PIPE_CAPF_MAX_POINT_WIDTH,
    639    PIPE_CAPF_MAX_POINT_WIDTH_AA,
    640    PIPE_CAPF_MAX_TEXTURE_ANISOTROPY,
    641    PIPE_CAPF_MAX_TEXTURE_LOD_BIAS,
    642    PIPE_CAPF_GUARD_BAND_LEFT,
    643    PIPE_CAPF_GUARD_BAND_TOP,
    644    PIPE_CAPF_GUARD_BAND_RIGHT,
    645    PIPE_CAPF_GUARD_BAND_BOTTOM
    646 };
    647 
    648 /* Shader caps not specific to any single stage */
    649 enum pipe_shader_cap
    650 {
    651    PIPE_SHADER_CAP_MAX_INSTRUCTIONS, /* if 0, it means the stage is unsupported */
    652    PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS,
    653    PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS,
    654    PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS,
    655    PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH,
    656    PIPE_SHADER_CAP_MAX_INPUTS,
    657    PIPE_SHADER_CAP_MAX_OUTPUTS,
    658    PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE,
    659    PIPE_SHADER_CAP_MAX_CONST_BUFFERS,
    660    PIPE_SHADER_CAP_MAX_TEMPS,
    661    PIPE_SHADER_CAP_MAX_PREDS,
    662    /* boolean caps */
    663    PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED,
    664    PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR,
    665    PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR,
    666    PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR,
    667    PIPE_SHADER_CAP_INDIRECT_CONST_ADDR,
    668    PIPE_SHADER_CAP_SUBROUTINES, /* BGNSUB, ENDSUB, CAL, RET */
    669    PIPE_SHADER_CAP_INTEGERS,
    670    PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS,
    671    PIPE_SHADER_CAP_PREFERRED_IR,
    672    PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED,
    673    PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS,
    674    PIPE_SHADER_CAP_DOUBLES
    675 };
    676 
    677 /**
    678  * Shader intermediate representation.
    679  */
    680 enum pipe_shader_ir
    681 {
    682    PIPE_SHADER_IR_TGSI,
    683    PIPE_SHADER_IR_LLVM,
    684    PIPE_SHADER_IR_NATIVE
    685 };
    686 
    687 /**
    688  * Compute-specific implementation capability.  They can be queried
    689  * using pipe_screen::get_compute_param.
    690  */
    691 enum pipe_compute_cap
    692 {
    693    PIPE_COMPUTE_CAP_IR_TARGET,
    694    PIPE_COMPUTE_CAP_GRID_DIMENSION,
    695    PIPE_COMPUTE_CAP_MAX_GRID_SIZE,
    696    PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE,
    697    PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK,
    698    PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE,
    699    PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE,
    700    PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE,
    701    PIPE_COMPUTE_CAP_MAX_INPUT_SIZE,
    702    PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
    703    PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY,
    704    PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS,
    705    PIPE_COMPUTE_CAP_IMAGES_SUPPORTED
    706 };
    707 
    708 /**
    709  * Composite query types
    710  */
    711 
    712 /**
    713  * Query result for PIPE_QUERY_SO_STATISTICS.
    714  */
    715 struct pipe_query_data_so_statistics
    716 {
    717    uint64_t num_primitives_written;
    718    uint64_t primitives_storage_needed;
    719 };
    720 
    721 /**
    722  * Query result for PIPE_QUERY_TIMESTAMP_DISJOINT.
    723  */
    724 struct pipe_query_data_timestamp_disjoint
    725 {
    726    uint64_t frequency;
    727    boolean  disjoint;
    728 };
    729 
    730 /**
    731  * Query result for PIPE_QUERY_PIPELINE_STATISTICS.
    732  */
    733 struct pipe_query_data_pipeline_statistics
    734 {
    735    uint64_t ia_vertices;    /**< Num vertices read by the vertex fetcher. */
    736    uint64_t ia_primitives;  /**< Num primitives read by the vertex fetcher. */
    737    uint64_t vs_invocations; /**< Num vertex shader invocations. */
    738    uint64_t gs_invocations; /**< Num geometry shader invocations. */
    739    uint64_t gs_primitives;  /**< Num primitives output by a geometry shader. */
    740    uint64_t c_invocations;  /**< Num primitives sent to the rasterizer. */
    741    uint64_t c_primitives;   /**< Num primitives that were rendered. */
    742    uint64_t ps_invocations; /**< Num pixel shader invocations. */
    743    uint64_t hs_invocations; /**< Num hull shader invocations. */
    744    uint64_t ds_invocations; /**< Num domain shader invocations. */
    745    uint64_t cs_invocations; /**< Num compute shader invocations. */
    746 };
    747 
    748 /**
    749  * Query result (returned by pipe_context::get_query_result).
    750  */
    751 union pipe_query_result
    752 {
    753    /* PIPE_QUERY_OCCLUSION_PREDICATE */
    754    /* PIPE_QUERY_SO_OVERFLOW_PREDICATE */
    755    /* PIPE_QUERY_GPU_FINISHED */
    756    boolean b;
    757 
    758    /* PIPE_QUERY_OCCLUSION_COUNTER */
    759    /* PIPE_QUERY_TIMESTAMP */
    760    /* PIPE_QUERY_TIME_ELAPSED */
    761    /* PIPE_QUERY_PRIMITIVES_GENERATED */
    762    /* PIPE_QUERY_PRIMITIVES_EMITTED */
    763    uint64_t u64;
    764 
    765    /* PIPE_QUERY_SO_STATISTICS */
    766    struct pipe_query_data_so_statistics so_statistics;
    767 
    768    /* PIPE_QUERY_TIMESTAMP_DISJOINT */
    769    struct pipe_query_data_timestamp_disjoint timestamp_disjoint;
    770 
    771    /* PIPE_QUERY_PIPELINE_STATISTICS */
    772    struct pipe_query_data_pipeline_statistics pipeline_statistics;
    773 };
    774 
    775 union pipe_color_union
    776 {
    777    float f[4];
    778    int i[4];
    779    unsigned int ui[4];
    780 };
    781 
    782 struct pipe_driver_query_info
    783 {
    784    const char *name;
    785    unsigned query_type; /* PIPE_QUERY_DRIVER_SPECIFIC + i */
    786    uint64_t max_value; /* max value that can be returned */
    787    boolean uses_byte_units; /* whether the result is in bytes */
    788 };
    789 
    790 #ifdef __cplusplus
    791 }
    792 #endif
    793 
    794 #endif
    795