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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 };
    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  * Flags for pipe_context::texture_barrier.
    404  */
    405 #define PIPE_TEXTURE_BARRIER_SAMPLER      (1 << 0)
    406 #define PIPE_TEXTURE_BARRIER_FRAMEBUFFER  (1 << 1)
    407 
    408 /**
    409  * Resource binding flags -- state tracker must specify in advance all
    410  * the ways a resource might be used.
    411  */
    412 #define PIPE_BIND_DEPTH_STENCIL        (1 << 0) /* create_surface */
    413 #define PIPE_BIND_RENDER_TARGET        (1 << 1) /* create_surface */
    414 #define PIPE_BIND_BLENDABLE            (1 << 2) /* create_surface */
    415 #define PIPE_BIND_SAMPLER_VIEW         (1 << 3) /* create_sampler_view */
    416 #define PIPE_BIND_VERTEX_BUFFER        (1 << 4) /* set_vertex_buffers */
    417 #define PIPE_BIND_INDEX_BUFFER         (1 << 5) /* draw_elements */
    418 #define PIPE_BIND_CONSTANT_BUFFER      (1 << 6) /* set_constant_buffer */
    419 #define PIPE_BIND_DISPLAY_TARGET       (1 << 7) /* flush_front_buffer */
    420 /* gap */
    421 #define PIPE_BIND_STREAM_OUTPUT        (1 << 10) /* set_stream_output_buffers */
    422 #define PIPE_BIND_CURSOR               (1 << 11) /* mouse cursor */
    423 #define PIPE_BIND_CUSTOM               (1 << 12) /* state-tracker/winsys usages */
    424 #define PIPE_BIND_GLOBAL               (1 << 13) /* set_global_binding */
    425 #define PIPE_BIND_SHADER_BUFFER        (1 << 14) /* set_shader_buffers */
    426 #define PIPE_BIND_SHADER_IMAGE         (1 << 15) /* set_shader_images */
    427 #define PIPE_BIND_COMPUTE_RESOURCE     (1 << 16) /* set_compute_resources */
    428 #define PIPE_BIND_COMMAND_ARGS_BUFFER  (1 << 17) /* pipe_draw_info.indirect */
    429 #define PIPE_BIND_QUERY_BUFFER         (1 << 18) /* get_query_result_resource */
    430 
    431 /**
    432  * The first two flags above were previously part of the amorphous
    433  * TEXTURE_USAGE, most of which are now descriptions of the ways a
    434  * particular texture can be bound to the gallium pipeline.  The two flags
    435  * below do not fit within that and probably need to be migrated to some
    436  * other place.
    437  *
    438  * It seems like scanout is used by the Xorg state tracker to ask for
    439  * a texture suitable for actual scanout (hence the name), which
    440  * implies extra layout constraints on some hardware.  It may also
    441  * have some special meaning regarding mouse cursor images.
    442  *
    443  * The shared flag is quite underspecified, but certainly isn't a
    444  * binding flag - it seems more like a message to the winsys to create
    445  * a shareable allocation.
    446  *
    447  * The third flag has been added to be able to force textures to be created
    448  * in linear mode (no tiling).
    449  */
    450 #define PIPE_BIND_SCANOUT     (1 << 19) /*  */
    451 #define PIPE_BIND_SHARED      (1 << 20) /* get_texture_handle ??? */
    452 #define PIPE_BIND_LINEAR      (1 << 21)
    453 
    454 
    455 /**
    456  * Flags for the driver about resource behaviour:
    457  */
    458 #define PIPE_RESOURCE_FLAG_MAP_PERSISTENT (1 << 0)
    459 #define PIPE_RESOURCE_FLAG_MAP_COHERENT   (1 << 1)
    460 #define PIPE_RESOURCE_FLAG_TEXTURING_MORE_LIKELY (1 << 2)
    461 #define PIPE_RESOURCE_FLAG_DRV_PRIV    (1 << 16) /* driver/winsys private */
    462 #define PIPE_RESOURCE_FLAG_ST_PRIV     (1 << 24) /* state-tracker/winsys private */
    463 
    464 /**
    465  * Hint about the expected lifecycle of a resource.
    466  * Sorted according to GPU vs CPU access.
    467  */
    468 enum pipe_resource_usage {
    469    PIPE_USAGE_DEFAULT,        /* fast GPU access */
    470    PIPE_USAGE_IMMUTABLE,      /* fast GPU access, immutable */
    471    PIPE_USAGE_DYNAMIC,        /* uploaded data is used multiple times */
    472    PIPE_USAGE_STREAM,         /* uploaded data is used once */
    473    PIPE_USAGE_STAGING,        /* fast CPU access */
    474 };
    475 
    476 /**
    477  * Shaders
    478  */
    479 enum pipe_shader_type {
    480    PIPE_SHADER_VERTEX,
    481    PIPE_SHADER_FRAGMENT,
    482    PIPE_SHADER_GEOMETRY,
    483    PIPE_SHADER_TESS_CTRL,
    484    PIPE_SHADER_TESS_EVAL,
    485    PIPE_SHADER_COMPUTE,
    486    PIPE_SHADER_TYPES,
    487 };
    488 
    489 /**
    490  * Primitive types:
    491  */
    492 enum pipe_prim_type {
    493    PIPE_PRIM_POINTS,
    494    PIPE_PRIM_LINES,
    495    PIPE_PRIM_LINE_LOOP,
    496    PIPE_PRIM_LINE_STRIP,
    497    PIPE_PRIM_TRIANGLES,
    498    PIPE_PRIM_TRIANGLE_STRIP,
    499    PIPE_PRIM_TRIANGLE_FAN,
    500    PIPE_PRIM_QUADS,
    501    PIPE_PRIM_QUAD_STRIP,
    502    PIPE_PRIM_POLYGON,
    503    PIPE_PRIM_LINES_ADJACENCY,
    504    PIPE_PRIM_LINE_STRIP_ADJACENCY,
    505    PIPE_PRIM_TRIANGLES_ADJACENCY,
    506    PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY,
    507    PIPE_PRIM_PATCHES,
    508    PIPE_PRIM_MAX,
    509 };
    510 
    511 /**
    512  * Tessellator spacing types
    513  */
    514 enum pipe_tess_spacing {
    515    PIPE_TESS_SPACING_FRACTIONAL_ODD,
    516    PIPE_TESS_SPACING_FRACTIONAL_EVEN,
    517    PIPE_TESS_SPACING_EQUAL,
    518 };
    519 
    520 /**
    521  * Query object types
    522  */
    523 enum pipe_query_type {
    524    PIPE_QUERY_OCCLUSION_COUNTER,
    525    PIPE_QUERY_OCCLUSION_PREDICATE,
    526    PIPE_QUERY_TIMESTAMP,
    527    PIPE_QUERY_TIMESTAMP_DISJOINT,
    528    PIPE_QUERY_TIME_ELAPSED,
    529    PIPE_QUERY_PRIMITIVES_GENERATED,
    530    PIPE_QUERY_PRIMITIVES_EMITTED,
    531    PIPE_QUERY_SO_STATISTICS,
    532    PIPE_QUERY_SO_OVERFLOW_PREDICATE,
    533    PIPE_QUERY_GPU_FINISHED,
    534    PIPE_QUERY_PIPELINE_STATISTICS,
    535    PIPE_QUERY_TYPES,
    536    /* start of driver queries, see pipe_screen::get_driver_query_info */
    537    PIPE_QUERY_DRIVER_SPECIFIC = 256,
    538 };
    539 
    540 /**
    541  * Conditional rendering modes
    542  */
    543 enum pipe_render_cond_flag {
    544    PIPE_RENDER_COND_WAIT,
    545    PIPE_RENDER_COND_NO_WAIT,
    546    PIPE_RENDER_COND_BY_REGION_WAIT,
    547    PIPE_RENDER_COND_BY_REGION_NO_WAIT,
    548 };
    549 
    550 /**
    551  * Point sprite coord modes
    552  */
    553 enum pipe_sprite_coord_mode {
    554    PIPE_SPRITE_COORD_UPPER_LEFT,
    555    PIPE_SPRITE_COORD_LOWER_LEFT,
    556 };
    557 
    558 /**
    559  * Texture & format swizzles
    560  */
    561 enum pipe_swizzle {
    562    PIPE_SWIZZLE_X,
    563    PIPE_SWIZZLE_Y,
    564    PIPE_SWIZZLE_Z,
    565    PIPE_SWIZZLE_W,
    566    PIPE_SWIZZLE_0,
    567    PIPE_SWIZZLE_1,
    568    PIPE_SWIZZLE_NONE,
    569    PIPE_SWIZZLE_MAX, /**< Number of enums counter (must be last) */
    570 };
    571 
    572 #define PIPE_TIMEOUT_INFINITE 0xffffffffffffffffull
    573 
    574 
    575 /**
    576  * Device reset status.
    577  */
    578 enum pipe_reset_status
    579 {
    580    PIPE_NO_RESET,
    581    PIPE_GUILTY_CONTEXT_RESET,
    582    PIPE_INNOCENT_CONTEXT_RESET,
    583    PIPE_UNKNOWN_CONTEXT_RESET,
    584 };
    585 
    586 
    587 /**
    588  * resource_get_handle flags.
    589  */
    590 /* Requires pipe_context::flush_resource before external use. */
    591 #define PIPE_HANDLE_USAGE_EXPLICIT_FLUSH  (1 << 0)
    592 /* Expected external use of the resource: */
    593 #define PIPE_HANDLE_USAGE_READ            (1 << 1)
    594 #define PIPE_HANDLE_USAGE_WRITE           (1 << 2)
    595 #define PIPE_HANDLE_USAGE_READ_WRITE      (PIPE_HANDLE_USAGE_READ | \
    596                                            PIPE_HANDLE_USAGE_WRITE)
    597 
    598 /**
    599  * pipe_image_view access flags.
    600  */
    601 #define PIPE_IMAGE_ACCESS_READ       (1 << 0)
    602 #define PIPE_IMAGE_ACCESS_WRITE      (1 << 1)
    603 #define PIPE_IMAGE_ACCESS_READ_WRITE (PIPE_IMAGE_ACCESS_READ | \
    604                                       PIPE_IMAGE_ACCESS_WRITE)
    605 
    606 /**
    607  * Implementation capabilities/limits which are queried through
    608  * pipe_screen::get_param()
    609  */
    610 enum pipe_cap
    611 {
    612    PIPE_CAP_NPOT_TEXTURES,
    613    PIPE_CAP_TWO_SIDED_STENCIL,
    614    PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS,
    615    PIPE_CAP_ANISOTROPIC_FILTER,
    616    PIPE_CAP_POINT_SPRITE,
    617    PIPE_CAP_MAX_RENDER_TARGETS,
    618    PIPE_CAP_OCCLUSION_QUERY,
    619    PIPE_CAP_QUERY_TIME_ELAPSED,
    620    PIPE_CAP_TEXTURE_SHADOW_MAP,
    621    PIPE_CAP_TEXTURE_SWIZZLE,
    622    PIPE_CAP_MAX_TEXTURE_2D_LEVELS,
    623    PIPE_CAP_MAX_TEXTURE_3D_LEVELS,
    624    PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS,
    625    PIPE_CAP_TEXTURE_MIRROR_CLAMP,
    626    PIPE_CAP_BLEND_EQUATION_SEPARATE,
    627    PIPE_CAP_SM3,
    628    PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS,
    629    PIPE_CAP_PRIMITIVE_RESTART,
    630    /** blend enables and write masks per rendertarget */
    631    PIPE_CAP_INDEP_BLEND_ENABLE,
    632    /** different blend funcs per rendertarget */
    633    PIPE_CAP_INDEP_BLEND_FUNC,
    634    PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS,
    635    PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT,
    636    PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
    637    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
    638    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
    639    PIPE_CAP_DEPTH_CLIP_DISABLE,
    640    PIPE_CAP_SHADER_STENCIL_EXPORT,
    641    PIPE_CAP_TGSI_INSTANCEID,
    642    PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR,
    643    PIPE_CAP_FRAGMENT_COLOR_CLAMPED,
    644    PIPE_CAP_MIXED_COLORBUFFER_FORMATS,
    645    PIPE_CAP_SEAMLESS_CUBE_MAP,
    646    PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE,
    647    PIPE_CAP_MIN_TEXEL_OFFSET,
    648    PIPE_CAP_MAX_TEXEL_OFFSET,
    649    PIPE_CAP_CONDITIONAL_RENDER,
    650    PIPE_CAP_TEXTURE_BARRIER,
    651    PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS,
    652    PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS,
    653    PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME,
    654    PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS,
    655    PIPE_CAP_VERTEX_COLOR_UNCLAMPED,
    656    PIPE_CAP_VERTEX_COLOR_CLAMPED,
    657    PIPE_CAP_GLSL_FEATURE_LEVEL,
    658    PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION,
    659    PIPE_CAP_USER_VERTEX_BUFFERS,
    660    PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY,
    661    PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY,
    662    PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY,
    663    PIPE_CAP_COMPUTE,
    664    PIPE_CAP_USER_INDEX_BUFFERS,
    665    PIPE_CAP_USER_CONSTANT_BUFFERS,
    666    PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT,
    667    PIPE_CAP_START_INSTANCE,
    668    PIPE_CAP_QUERY_TIMESTAMP,
    669    PIPE_CAP_TEXTURE_MULTISAMPLE,
    670    PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT,
    671    PIPE_CAP_CUBE_MAP_ARRAY,
    672    PIPE_CAP_TEXTURE_BUFFER_OBJECTS,
    673    PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT,
    674    PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY,
    675    PIPE_CAP_TGSI_TEXCOORD,
    676    PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER,
    677    PIPE_CAP_QUERY_PIPELINE_STATISTICS,
    678    PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK,
    679    PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE,
    680    PIPE_CAP_MAX_VIEWPORTS,
    681    PIPE_CAP_ENDIANNESS,
    682    PIPE_CAP_MIXED_FRAMEBUFFER_SIZES,
    683    PIPE_CAP_TGSI_VS_LAYER_VIEWPORT,
    684    PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES,
    685    PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS,
    686    PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS,
    687    PIPE_CAP_TEXTURE_GATHER_SM5,
    688    PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT,
    689    PIPE_CAP_FAKE_SW_MSAA,
    690    PIPE_CAP_TEXTURE_QUERY_LOD,
    691    PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET,
    692    PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET,
    693    PIPE_CAP_SAMPLE_SHADING,
    694    PIPE_CAP_TEXTURE_GATHER_OFFSETS,
    695    PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION,
    696    PIPE_CAP_MAX_VERTEX_STREAMS,
    697    PIPE_CAP_DRAW_INDIRECT,
    698    PIPE_CAP_TGSI_FS_FINE_DERIVATIVE,
    699    PIPE_CAP_VENDOR_ID,
    700    PIPE_CAP_DEVICE_ID,
    701    PIPE_CAP_ACCELERATED,
    702    PIPE_CAP_VIDEO_MEMORY,
    703    PIPE_CAP_UMA,
    704    PIPE_CAP_CONDITIONAL_RENDER_INVERTED,
    705    PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE,
    706    PIPE_CAP_SAMPLER_VIEW_TARGET,
    707    PIPE_CAP_CLIP_HALFZ,
    708    PIPE_CAP_VERTEXID_NOBASE,
    709    PIPE_CAP_POLYGON_OFFSET_CLAMP,
    710    PIPE_CAP_MULTISAMPLE_Z_RESOLVE,
    711    PIPE_CAP_RESOURCE_FROM_USER_MEMORY,
    712    PIPE_CAP_DEVICE_RESET_STATUS_QUERY,
    713    PIPE_CAP_MAX_SHADER_PATCH_VARYINGS,
    714    PIPE_CAP_TEXTURE_FLOAT_LINEAR,
    715    PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR,
    716    PIPE_CAP_DEPTH_BOUNDS_TEST,
    717    PIPE_CAP_TGSI_TXQS,
    718    PIPE_CAP_FORCE_PERSAMPLE_INTERP,
    719    PIPE_CAP_SHAREABLE_SHADERS,
    720    PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS,
    721    PIPE_CAP_CLEAR_TEXTURE,
    722    PIPE_CAP_DRAW_PARAMETERS,
    723    PIPE_CAP_TGSI_PACK_HALF_FLOAT,
    724    PIPE_CAP_MULTI_DRAW_INDIRECT,
    725    PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS,
    726    PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL,
    727    PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL,
    728    PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT,
    729    PIPE_CAP_INVALIDATE_BUFFER,
    730    PIPE_CAP_GENERATE_MIPMAP,
    731    PIPE_CAP_STRING_MARKER,
    732    PIPE_CAP_SURFACE_REINTERPRET_BLOCKS,
    733    PIPE_CAP_QUERY_BUFFER_OBJECT,
    734    PIPE_CAP_QUERY_MEMORY_INFO,
    735    PIPE_CAP_PCI_GROUP,
    736    PIPE_CAP_PCI_BUS,
    737    PIPE_CAP_PCI_DEVICE,
    738    PIPE_CAP_PCI_FUNCTION,
    739    PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT,
    740    PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR,
    741    PIPE_CAP_CULL_DISTANCE,
    742    PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES,
    743    PIPE_CAP_TGSI_VOTE,
    744    PIPE_CAP_MAX_WINDOW_RECTANGLES,
    745    PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED,
    746    PIPE_CAP_VIEWPORT_SUBPIXEL_BITS,
    747    PIPE_CAP_MIXED_COLOR_DEPTH_BITS,
    748    PIPE_CAP_TGSI_ARRAY_COMPONENTS,
    749    PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS,
    750    PIPE_CAP_TGSI_CAN_READ_OUTPUTS,
    751    PIPE_CAP_NATIVE_FENCE_FD,
    752    PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY,
    753    PIPE_CAP_TGSI_FS_FBFETCH,
    754 };
    755 
    756 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
    757 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600 (1 << 1)
    758 
    759 enum pipe_endian
    760 {
    761    PIPE_ENDIAN_LITTLE = 0,
    762    PIPE_ENDIAN_BIG = 1,
    763 #if defined(PIPE_ARCH_LITTLE_ENDIAN)
    764    PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_LITTLE
    765 #elif defined(PIPE_ARCH_BIG_ENDIAN)
    766    PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_BIG
    767 #endif
    768 };
    769 
    770 /**
    771  * Implementation limits which are queried through
    772  * pipe_screen::get_paramf()
    773  */
    774 enum pipe_capf
    775 {
    776    PIPE_CAPF_MAX_LINE_WIDTH,
    777    PIPE_CAPF_MAX_LINE_WIDTH_AA,
    778    PIPE_CAPF_MAX_POINT_WIDTH,
    779    PIPE_CAPF_MAX_POINT_WIDTH_AA,
    780    PIPE_CAPF_MAX_TEXTURE_ANISOTROPY,
    781    PIPE_CAPF_MAX_TEXTURE_LOD_BIAS,
    782    PIPE_CAPF_GUARD_BAND_LEFT,
    783    PIPE_CAPF_GUARD_BAND_TOP,
    784    PIPE_CAPF_GUARD_BAND_RIGHT,
    785    PIPE_CAPF_GUARD_BAND_BOTTOM
    786 };
    787 
    788 /** Shader caps not specific to any single stage */
    789 enum pipe_shader_cap
    790 {
    791    PIPE_SHADER_CAP_MAX_INSTRUCTIONS, /* if 0, it means the stage is unsupported */
    792    PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS,
    793    PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS,
    794    PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS,
    795    PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH,
    796    PIPE_SHADER_CAP_MAX_INPUTS,
    797    PIPE_SHADER_CAP_MAX_OUTPUTS,
    798    PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE,
    799    PIPE_SHADER_CAP_MAX_CONST_BUFFERS,
    800    PIPE_SHADER_CAP_MAX_TEMPS,
    801    PIPE_SHADER_CAP_MAX_PREDS,
    802    /* boolean caps */
    803    PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED,
    804    PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR,
    805    PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR,
    806    PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR,
    807    PIPE_SHADER_CAP_INDIRECT_CONST_ADDR,
    808    PIPE_SHADER_CAP_SUBROUTINES, /* BGNSUB, ENDSUB, CAL, RET */
    809    PIPE_SHADER_CAP_INTEGERS,
    810    PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS,
    811    PIPE_SHADER_CAP_PREFERRED_IR,
    812    PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED,
    813    PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS,
    814    PIPE_SHADER_CAP_DOUBLES,
    815    PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED, /* all rounding modes */
    816    PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED,
    817    PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED,
    818    PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE,
    819    PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT,
    820    PIPE_SHADER_CAP_MAX_SHADER_BUFFERS,
    821    PIPE_SHADER_CAP_SUPPORTED_IRS,
    822    PIPE_SHADER_CAP_MAX_SHADER_IMAGES,
    823    PIPE_SHADER_CAP_LOWER_IF_THRESHOLD,
    824 };
    825 
    826 /**
    827  * Shader intermediate representation.
    828  *
    829  * Note that if the driver requests something other than TGSI, it must
    830  * always be prepared to receive TGSI in addition to its preferred IR.
    831  * If the driver requests TGSI as its preferred IR, it will *always*
    832  * get TGSI.
    833  *
    834  * Note that PIPE_SHADER_IR_TGSI should be zero for backwards compat with
    835  * state trackers that only understand TGSI.
    836  */
    837 enum pipe_shader_ir
    838 {
    839    PIPE_SHADER_IR_TGSI = 0,
    840    PIPE_SHADER_IR_LLVM,
    841    PIPE_SHADER_IR_NATIVE,
    842    PIPE_SHADER_IR_NIR,
    843 };
    844 
    845 /**
    846  * Compute-specific implementation capability.  They can be queried
    847  * using pipe_screen::get_compute_param.
    848  */
    849 enum pipe_compute_cap
    850 {
    851    PIPE_COMPUTE_CAP_ADDRESS_BITS,
    852    PIPE_COMPUTE_CAP_IR_TARGET,
    853    PIPE_COMPUTE_CAP_GRID_DIMENSION,
    854    PIPE_COMPUTE_CAP_MAX_GRID_SIZE,
    855    PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE,
    856    PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK,
    857    PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE,
    858    PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE,
    859    PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE,
    860    PIPE_COMPUTE_CAP_MAX_INPUT_SIZE,
    861    PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
    862    PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY,
    863    PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS,
    864    PIPE_COMPUTE_CAP_IMAGES_SUPPORTED,
    865    PIPE_COMPUTE_CAP_SUBGROUP_SIZE,
    866    PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK,
    867 };
    868 
    869 /**
    870  * Composite query types
    871  */
    872 
    873 /**
    874  * Query result for PIPE_QUERY_SO_STATISTICS.
    875  */
    876 struct pipe_query_data_so_statistics
    877 {
    878    uint64_t num_primitives_written;
    879    uint64_t primitives_storage_needed;
    880 };
    881 
    882 /**
    883  * Query result for PIPE_QUERY_TIMESTAMP_DISJOINT.
    884  */
    885 struct pipe_query_data_timestamp_disjoint
    886 {
    887    uint64_t frequency;
    888    boolean  disjoint;
    889 };
    890 
    891 /**
    892  * Query result for PIPE_QUERY_PIPELINE_STATISTICS.
    893  */
    894 struct pipe_query_data_pipeline_statistics
    895 {
    896    uint64_t ia_vertices;    /**< Num vertices read by the vertex fetcher. */
    897    uint64_t ia_primitives;  /**< Num primitives read by the vertex fetcher. */
    898    uint64_t vs_invocations; /**< Num vertex shader invocations. */
    899    uint64_t gs_invocations; /**< Num geometry shader invocations. */
    900    uint64_t gs_primitives;  /**< Num primitives output by a geometry shader. */
    901    uint64_t c_invocations;  /**< Num primitives sent to the rasterizer. */
    902    uint64_t c_primitives;   /**< Num primitives that were rendered. */
    903    uint64_t ps_invocations; /**< Num pixel shader invocations. */
    904    uint64_t hs_invocations; /**< Num hull shader invocations. */
    905    uint64_t ds_invocations; /**< Num domain shader invocations. */
    906    uint64_t cs_invocations; /**< Num compute shader invocations. */
    907 };
    908 
    909 /**
    910  * For batch queries.
    911  */
    912 union pipe_numeric_type_union
    913 {
    914    uint64_t u64;
    915    uint32_t u32;
    916    float f;
    917 };
    918 
    919 /**
    920  * Query result (returned by pipe_context::get_query_result).
    921  */
    922 union pipe_query_result
    923 {
    924    /* PIPE_QUERY_OCCLUSION_PREDICATE */
    925    /* PIPE_QUERY_SO_OVERFLOW_PREDICATE */
    926    /* PIPE_QUERY_GPU_FINISHED */
    927    boolean b;
    928 
    929    /* PIPE_QUERY_OCCLUSION_COUNTER */
    930    /* PIPE_QUERY_TIMESTAMP */
    931    /* PIPE_QUERY_TIME_ELAPSED */
    932    /* PIPE_QUERY_PRIMITIVES_GENERATED */
    933    /* PIPE_QUERY_PRIMITIVES_EMITTED */
    934    /* PIPE_DRIVER_QUERY_TYPE_UINT64 */
    935    /* PIPE_DRIVER_QUERY_TYPE_BYTES */
    936    /* PIPE_DRIVER_QUERY_TYPE_MICROSECONDS */
    937    /* PIPE_DRIVER_QUERY_TYPE_HZ */
    938    uint64_t u64;
    939 
    940    /* PIPE_DRIVER_QUERY_TYPE_UINT */
    941    uint32_t u32;
    942 
    943    /* PIPE_DRIVER_QUERY_TYPE_FLOAT */
    944    /* PIPE_DRIVER_QUERY_TYPE_PERCENTAGE */
    945    float f;
    946 
    947    /* PIPE_QUERY_SO_STATISTICS */
    948    struct pipe_query_data_so_statistics so_statistics;
    949 
    950    /* PIPE_QUERY_TIMESTAMP_DISJOINT */
    951    struct pipe_query_data_timestamp_disjoint timestamp_disjoint;
    952 
    953    /* PIPE_QUERY_PIPELINE_STATISTICS */
    954    struct pipe_query_data_pipeline_statistics pipeline_statistics;
    955 
    956    /* batch queries (variable length) */
    957    union pipe_numeric_type_union batch[1];
    958 };
    959 
    960 enum pipe_query_value_type
    961 {
    962    PIPE_QUERY_TYPE_I32,
    963    PIPE_QUERY_TYPE_U32,
    964    PIPE_QUERY_TYPE_I64,
    965    PIPE_QUERY_TYPE_U64,
    966 };
    967 
    968 union pipe_color_union
    969 {
    970    float f[4];
    971    int i[4];
    972    unsigned int ui[4];
    973 };
    974 
    975 enum pipe_driver_query_type
    976 {
    977    PIPE_DRIVER_QUERY_TYPE_UINT64,
    978    PIPE_DRIVER_QUERY_TYPE_UINT,
    979    PIPE_DRIVER_QUERY_TYPE_FLOAT,
    980    PIPE_DRIVER_QUERY_TYPE_PERCENTAGE,
    981    PIPE_DRIVER_QUERY_TYPE_BYTES,
    982    PIPE_DRIVER_QUERY_TYPE_MICROSECONDS,
    983    PIPE_DRIVER_QUERY_TYPE_HZ,
    984    PIPE_DRIVER_QUERY_TYPE_DBM,
    985    PIPE_DRIVER_QUERY_TYPE_TEMPERATURE,
    986    PIPE_DRIVER_QUERY_TYPE_VOLTS,
    987    PIPE_DRIVER_QUERY_TYPE_AMPS,
    988    PIPE_DRIVER_QUERY_TYPE_WATTS,
    989 };
    990 
    991 /* Whether an average value per frame or a cumulative value should be
    992  * displayed.
    993  */
    994 enum pipe_driver_query_result_type
    995 {
    996    PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE,
    997    PIPE_DRIVER_QUERY_RESULT_TYPE_CUMULATIVE,
    998 };
    999 
   1000 /**
   1001  * Some hardware requires some hardware-specific queries to be submitted
   1002  * as batched queries. The corresponding query objects are created using
   1003  * create_batch_query, and at most one such query may be active at
   1004  * any time.
   1005  */
   1006 #define PIPE_DRIVER_QUERY_FLAG_BATCH     (1 << 0)
   1007 
   1008 /* Do not list this query in the HUD. */
   1009 #define PIPE_DRIVER_QUERY_FLAG_DONT_LIST (1 << 1)
   1010 
   1011 struct pipe_driver_query_info
   1012 {
   1013    const char *name;
   1014    unsigned query_type; /* PIPE_QUERY_DRIVER_SPECIFIC + i */
   1015    union pipe_numeric_type_union max_value; /* max value that can be returned */
   1016    enum pipe_driver_query_type type;
   1017    enum pipe_driver_query_result_type result_type;
   1018    unsigned group_id;
   1019    unsigned flags;
   1020 };
   1021 
   1022 struct pipe_driver_query_group_info
   1023 {
   1024    const char *name;
   1025    unsigned max_active_queries;
   1026    unsigned num_queries;
   1027 };
   1028 
   1029 enum pipe_debug_type
   1030 {
   1031    PIPE_DEBUG_TYPE_OUT_OF_MEMORY = 1,
   1032    PIPE_DEBUG_TYPE_ERROR,
   1033    PIPE_DEBUG_TYPE_SHADER_INFO,
   1034    PIPE_DEBUG_TYPE_PERF_INFO,
   1035    PIPE_DEBUG_TYPE_INFO,
   1036    PIPE_DEBUG_TYPE_FALLBACK,
   1037    PIPE_DEBUG_TYPE_CONFORMANCE,
   1038 };
   1039 
   1040 
   1041 #ifdef __cplusplus
   1042 }
   1043 #endif
   1044 
   1045 #endif
   1046