p_defines.h revision af69d88d
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.
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26 **************************************************************************/
27
28#ifndef PIPE_DEFINES_H
29#define PIPE_DEFINES_H
30
31#include "p_compiler.h"
32
33#ifdef __cplusplus
34extern "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 */
44enum 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 */
144enum 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 */
212enum 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 */
324enum 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
333/*
334 * Resource binding flags -- state tracker must specify in advance all
335 * the ways a resource might be used.
336 */
337#define PIPE_BIND_DEPTH_STENCIL        (1 << 0) /* create_surface */
338#define PIPE_BIND_RENDER_TARGET        (1 << 1) /* create_surface */
339#define PIPE_BIND_BLENDABLE            (1 << 2) /* create_surface */
340#define PIPE_BIND_SAMPLER_VIEW         (1 << 3) /* create_sampler_view */
341#define PIPE_BIND_VERTEX_BUFFER        (1 << 4) /* set_vertex_buffers */
342#define PIPE_BIND_INDEX_BUFFER         (1 << 5) /* draw_elements */
343#define PIPE_BIND_CONSTANT_BUFFER      (1 << 6) /* set_constant_buffer */
344#define PIPE_BIND_DISPLAY_TARGET       (1 << 8) /* flush_front_buffer */
345#define PIPE_BIND_TRANSFER_WRITE       (1 << 9) /* transfer_map */
346#define PIPE_BIND_TRANSFER_READ        (1 << 10) /* transfer_map */
347#define PIPE_BIND_STREAM_OUTPUT        (1 << 11) /* set_stream_output_buffers */
348#define PIPE_BIND_CURSOR               (1 << 16) /* mouse cursor */
349#define PIPE_BIND_CUSTOM               (1 << 17) /* state-tracker/winsys usages */
350#define PIPE_BIND_GLOBAL               (1 << 18) /* set_global_binding */
351#define PIPE_BIND_SHADER_RESOURCE      (1 << 19) /* set_shader_resources */
352#define PIPE_BIND_COMPUTE_RESOURCE     (1 << 20) /* set_compute_resources */
353#define PIPE_BIND_COMMAND_ARGS_BUFFER  (1 << 21) /* pipe_draw_info.indirect */
354
355/* The first two flags above were previously part of the amorphous
356 * TEXTURE_USAGE, most of which are now descriptions of the ways a
357 * particular texture can be bound to the gallium pipeline.  The two flags
358 * below do not fit within that and probably need to be migrated to some
359 * other place.
360 *
361 * It seems like scanout is used by the Xorg state tracker to ask for
362 * a texture suitable for actual scanout (hence the name), which
363 * implies extra layout constraints on some hardware.  It may also
364 * have some special meaning regarding mouse cursor images.
365 *
366 * The shared flag is quite underspecified, but certainly isn't a
367 * binding flag - it seems more like a message to the winsys to create
368 * a shareable allocation.
369 *
370 * The third flag has been added to be able to force textures to be created
371 * in linear mode (no tiling).
372 */
373#define PIPE_BIND_SCANOUT     (1 << 14) /*  */
374#define PIPE_BIND_SHARED      (1 << 15) /* get_texture_handle ??? */
375#define PIPE_BIND_LINEAR      (1 << 21)
376
377
378/* Flags for the driver about resource behaviour:
379 */
380#define PIPE_RESOURCE_FLAG_MAP_PERSISTENT (1 << 0)
381#define PIPE_RESOURCE_FLAG_MAP_COHERENT   (1 << 1)
382#define PIPE_RESOURCE_FLAG_DRV_PRIV    (1 << 16) /* driver/winsys private */
383#define PIPE_RESOURCE_FLAG_ST_PRIV     (1 << 24) /* state-tracker/winsys private */
384
385/* Hint about the expected lifecycle of a resource.
386 * Sorted according to GPU vs CPU access.
387 */
388#define PIPE_USAGE_DEFAULT        0 /* fast GPU access */
389#define PIPE_USAGE_IMMUTABLE      1 /* fast GPU access, immutable */
390#define PIPE_USAGE_DYNAMIC        2 /* uploaded data is used multiple times */
391#define PIPE_USAGE_STREAM         3 /* uploaded data is used once */
392#define PIPE_USAGE_STAGING        4 /* fast CPU access */
393
394
395/**
396 * Shaders
397 */
398#define PIPE_SHADER_VERTEX   0
399#define PIPE_SHADER_FRAGMENT 1
400#define PIPE_SHADER_GEOMETRY 2
401#define PIPE_SHADER_COMPUTE  3
402#define PIPE_SHADER_TYPES    4
403
404
405/**
406 * Primitive types:
407 */
408#define PIPE_PRIM_POINTS               0
409#define PIPE_PRIM_LINES                1
410#define PIPE_PRIM_LINE_LOOP            2
411#define PIPE_PRIM_LINE_STRIP           3
412#define PIPE_PRIM_TRIANGLES            4
413#define PIPE_PRIM_TRIANGLE_STRIP       5
414#define PIPE_PRIM_TRIANGLE_FAN         6
415#define PIPE_PRIM_QUADS                7
416#define PIPE_PRIM_QUAD_STRIP           8
417#define PIPE_PRIM_POLYGON              9
418#define PIPE_PRIM_LINES_ADJACENCY          10
419#define PIPE_PRIM_LINE_STRIP_ADJACENCY    11
420#define PIPE_PRIM_TRIANGLES_ADJACENCY      12
421#define PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY 13
422#define PIPE_PRIM_MAX                      14
423
424
425/**
426 * Query object types
427 */
428#define PIPE_QUERY_OCCLUSION_COUNTER     0
429#define PIPE_QUERY_OCCLUSION_PREDICATE   1
430#define PIPE_QUERY_TIMESTAMP             2
431#define PIPE_QUERY_TIMESTAMP_DISJOINT    3
432#define PIPE_QUERY_TIME_ELAPSED          4
433#define PIPE_QUERY_PRIMITIVES_GENERATED  5
434#define PIPE_QUERY_PRIMITIVES_EMITTED    6
435#define PIPE_QUERY_SO_STATISTICS         7
436#define PIPE_QUERY_SO_OVERFLOW_PREDICATE 8
437#define PIPE_QUERY_GPU_FINISHED          9
438#define PIPE_QUERY_PIPELINE_STATISTICS  10
439#define PIPE_QUERY_TYPES                11
440
441/* start of driver queries,
442 * see pipe_screen::get_driver_query_info */
443#define PIPE_QUERY_DRIVER_SPECIFIC     256
444
445
446/**
447 * Conditional rendering modes
448 */
449#define PIPE_RENDER_COND_WAIT              0
450#define PIPE_RENDER_COND_NO_WAIT           1
451#define PIPE_RENDER_COND_BY_REGION_WAIT    2
452#define PIPE_RENDER_COND_BY_REGION_NO_WAIT 3
453
454
455/**
456 * Point sprite coord modes
457 */
458#define PIPE_SPRITE_COORD_UPPER_LEFT 0
459#define PIPE_SPRITE_COORD_LOWER_LEFT 1
460
461
462/**
463 * Texture swizzles
464 */
465#define PIPE_SWIZZLE_RED   0
466#define PIPE_SWIZZLE_GREEN 1
467#define PIPE_SWIZZLE_BLUE  2
468#define PIPE_SWIZZLE_ALPHA 3
469#define PIPE_SWIZZLE_ZERO  4
470#define PIPE_SWIZZLE_ONE   5
471
472
473#define PIPE_TIMEOUT_INFINITE 0xffffffffffffffffull
474
475/**
476 * Implementation capabilities/limits which are queried through
477 * pipe_screen::get_param()
478 */
479enum pipe_cap {
480   PIPE_CAP_NPOT_TEXTURES = 1,
481   PIPE_CAP_TWO_SIDED_STENCIL = 2,
482   PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS = 4,
483   PIPE_CAP_ANISOTROPIC_FILTER = 5,
484   PIPE_CAP_POINT_SPRITE = 6,
485   PIPE_CAP_MAX_RENDER_TARGETS = 7,
486   PIPE_CAP_OCCLUSION_QUERY = 8,
487   PIPE_CAP_QUERY_TIME_ELAPSED = 9,
488   PIPE_CAP_TEXTURE_SHADOW_MAP = 10,
489   PIPE_CAP_TEXTURE_SWIZZLE = 11,
490   PIPE_CAP_MAX_TEXTURE_2D_LEVELS = 12,
491   PIPE_CAP_MAX_TEXTURE_3D_LEVELS = 13,
492   PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS = 14,
493   PIPE_CAP_TEXTURE_MIRROR_CLAMP = 25,
494   PIPE_CAP_BLEND_EQUATION_SEPARATE = 28,
495   PIPE_CAP_SM3 = 29,  /*< Shader Model, supported */
496   PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS = 30,
497   PIPE_CAP_PRIMITIVE_RESTART = 31,
498   /** blend enables and write masks per rendertarget */
499   PIPE_CAP_INDEP_BLEND_ENABLE = 33,
500   /** different blend funcs per rendertarget */
501   PIPE_CAP_INDEP_BLEND_FUNC = 34,
502   PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS = 36,
503   PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT = 37,
504   PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT = 38,
505   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER = 39,
506   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER = 40,
507   PIPE_CAP_DEPTH_CLIP_DISABLE = 41,
508   PIPE_CAP_SHADER_STENCIL_EXPORT = 42,
509   PIPE_CAP_TGSI_INSTANCEID = 43,
510   PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR = 44,
511   PIPE_CAP_FRAGMENT_COLOR_CLAMPED = 45,
512   PIPE_CAP_MIXED_COLORBUFFER_FORMATS = 46,
513   PIPE_CAP_SEAMLESS_CUBE_MAP = 47,
514   PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE = 48,
515   PIPE_CAP_MIN_TEXEL_OFFSET = 50,
516   PIPE_CAP_MAX_TEXEL_OFFSET = 51,
517   PIPE_CAP_CONDITIONAL_RENDER = 52,
518   PIPE_CAP_TEXTURE_BARRIER = 53,
519   PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS = 55,
520   PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS = 56,
521   PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME = 57,
522   PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS = 59, /* temporary */
523   PIPE_CAP_VERTEX_COLOR_UNCLAMPED = 60,
524   PIPE_CAP_VERTEX_COLOR_CLAMPED = 61,
525   PIPE_CAP_GLSL_FEATURE_LEVEL = 62,
526   PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION = 63,
527   PIPE_CAP_USER_VERTEX_BUFFERS = 64,
528   PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY = 65,
529   PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY = 66,
530   PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY = 67,
531   PIPE_CAP_COMPUTE = 68,
532   PIPE_CAP_USER_INDEX_BUFFERS = 69,
533   PIPE_CAP_USER_CONSTANT_BUFFERS = 70,
534   PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT = 71,
535   PIPE_CAP_START_INSTANCE = 72,
536   PIPE_CAP_QUERY_TIMESTAMP = 73,
537   PIPE_CAP_TEXTURE_MULTISAMPLE = 74,
538   PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT = 75,
539   PIPE_CAP_CUBE_MAP_ARRAY = 76,
540   PIPE_CAP_TEXTURE_BUFFER_OBJECTS = 77,
541   PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT = 78,
542   PIPE_CAP_TGSI_TEXCOORD = 79,
543   PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER = 80,
544   PIPE_CAP_QUERY_PIPELINE_STATISTICS = 81,
545   PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK = 82,
546   PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE = 83,
547   PIPE_CAP_MAX_VIEWPORTS = 84,
548   PIPE_CAP_ENDIANNESS = 85,
549   PIPE_CAP_MIXED_FRAMEBUFFER_SIZES = 86,
550   PIPE_CAP_TGSI_VS_LAYER_VIEWPORT = 87,
551   PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES = 88,
552   PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS = 89,
553   PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS = 90,
554   PIPE_CAP_TEXTURE_GATHER_SM5 = 91,
555   PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT = 92,
556   PIPE_CAP_FAKE_SW_MSAA = 93,
557   PIPE_CAP_TEXTURE_QUERY_LOD = 94,
558   PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET = 95,
559   PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET = 96,
560   PIPE_CAP_SAMPLE_SHADING = 97,
561   PIPE_CAP_TEXTURE_GATHER_OFFSETS = 98,
562   PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION = 99,
563   PIPE_CAP_MAX_VERTEX_STREAMS = 100,
564   PIPE_CAP_DRAW_INDIRECT = 101,
565   PIPE_CAP_TGSI_FS_FINE_DERIVATIVE = 102,
566   PIPE_CAP_VENDOR_ID = 103,
567   PIPE_CAP_DEVICE_ID = 104,
568   PIPE_CAP_ACCELERATED = 105,
569   PIPE_CAP_VIDEO_MEMORY = 106,
570   PIPE_CAP_UMA = 107,
571   PIPE_CAP_CONDITIONAL_RENDER_INVERTED = 108,
572};
573
574#define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
575#define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600 (1 << 1)
576
577enum pipe_endian {
578   PIPE_ENDIAN_LITTLE = 0,
579   PIPE_ENDIAN_BIG = 1,
580#if defined(PIPE_ARCH_LITTLE_ENDIAN)
581   PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_LITTLE
582#elif defined(PIPE_ARCH_BIG_ENDIAN)
583   PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_BIG
584#endif
585};
586
587/**
588 * Implementation limits which are queried through
589 * pipe_screen::get_paramf()
590 */
591enum pipe_capf
592{
593   PIPE_CAPF_MAX_LINE_WIDTH,
594   PIPE_CAPF_MAX_LINE_WIDTH_AA,
595   PIPE_CAPF_MAX_POINT_WIDTH,
596   PIPE_CAPF_MAX_POINT_WIDTH_AA,
597   PIPE_CAPF_MAX_TEXTURE_ANISOTROPY,
598   PIPE_CAPF_MAX_TEXTURE_LOD_BIAS,
599   PIPE_CAPF_GUARD_BAND_LEFT,
600   PIPE_CAPF_GUARD_BAND_TOP,
601   PIPE_CAPF_GUARD_BAND_RIGHT,
602   PIPE_CAPF_GUARD_BAND_BOTTOM
603};
604
605/* Shader caps not specific to any single stage */
606enum pipe_shader_cap
607{
608   PIPE_SHADER_CAP_MAX_INSTRUCTIONS, /* if 0, it means the stage is unsupported */
609   PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS,
610   PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS,
611   PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS,
612   PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH,
613   PIPE_SHADER_CAP_MAX_INPUTS,
614   PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE,
615   PIPE_SHADER_CAP_MAX_CONST_BUFFERS,
616   PIPE_SHADER_CAP_MAX_TEMPS,
617   PIPE_SHADER_CAP_MAX_PREDS,
618   /* boolean caps */
619   PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED,
620   PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR,
621   PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR,
622   PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR,
623   PIPE_SHADER_CAP_INDIRECT_CONST_ADDR,
624   PIPE_SHADER_CAP_SUBROUTINES, /* BGNSUB, ENDSUB, CAL, RET */
625   PIPE_SHADER_CAP_INTEGERS,
626   PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS,
627   PIPE_SHADER_CAP_PREFERRED_IR,
628   PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED,
629   PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS,
630   PIPE_SHADER_CAP_DOUBLES
631};
632
633/**
634 * Shader intermediate representation.
635 */
636enum pipe_shader_ir
637{
638   PIPE_SHADER_IR_TGSI,
639   PIPE_SHADER_IR_LLVM
640};
641
642/**
643 * Compute-specific implementation capability.  They can be queried
644 * using pipe_screen::get_compute_param.
645 */
646enum pipe_compute_cap
647{
648   PIPE_COMPUTE_CAP_IR_TARGET,
649   PIPE_COMPUTE_CAP_GRID_DIMENSION,
650   PIPE_COMPUTE_CAP_MAX_GRID_SIZE,
651   PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE,
652   PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK,
653   PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE,
654   PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE,
655   PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE,
656   PIPE_COMPUTE_CAP_MAX_INPUT_SIZE,
657   PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
658   PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY,
659   PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS,
660   PIPE_COMPUTE_CAP_IMAGES_SUPPORTED
661};
662
663/**
664 * Composite query types
665 */
666
667/**
668 * Query result for PIPE_QUERY_SO_STATISTICS.
669 */
670struct pipe_query_data_so_statistics
671{
672   uint64_t num_primitives_written;
673   uint64_t primitives_storage_needed;
674};
675
676/**
677 * Query result for PIPE_QUERY_TIMESTAMP_DISJOINT.
678 */
679struct pipe_query_data_timestamp_disjoint
680{
681   uint64_t frequency;
682   boolean  disjoint;
683};
684
685/**
686 * Query result for PIPE_QUERY_PIPELINE_STATISTICS.
687 */
688struct pipe_query_data_pipeline_statistics
689{
690   uint64_t ia_vertices;    /**< Num vertices read by the vertex fetcher. */
691   uint64_t ia_primitives;  /**< Num primitives read by the vertex fetcher. */
692   uint64_t vs_invocations; /**< Num vertex shader invocations. */
693   uint64_t gs_invocations; /**< Num geometry shader invocations. */
694   uint64_t gs_primitives;  /**< Num primitives output by a geometry shader. */
695   uint64_t c_invocations;  /**< Num primitives sent to the rasterizer. */
696   uint64_t c_primitives;   /**< Num primitives that were rendered. */
697   uint64_t ps_invocations; /**< Num pixel shader invocations. */
698   uint64_t hs_invocations; /**< Num hull shader invocations. */
699   uint64_t ds_invocations; /**< Num domain shader invocations. */
700   uint64_t cs_invocations; /**< Num compute shader invocations. */
701};
702
703/**
704 * Query result (returned by pipe_context::get_query_result).
705 */
706union pipe_query_result
707{
708   /* PIPE_QUERY_OCCLUSION_PREDICATE */
709   /* PIPE_QUERY_SO_OVERFLOW_PREDICATE */
710   /* PIPE_QUERY_GPU_FINISHED */
711   boolean b;
712
713   /* PIPE_QUERY_OCCLUSION_COUNTER */
714   /* PIPE_QUERY_TIMESTAMP */
715   /* PIPE_QUERY_TIME_ELAPSED */
716   /* PIPE_QUERY_PRIMITIVES_GENERATED */
717   /* PIPE_QUERY_PRIMITIVES_EMITTED */
718   uint64_t u64;
719
720   /* PIPE_QUERY_SO_STATISTICS */
721   struct pipe_query_data_so_statistics so_statistics;
722
723   /* PIPE_QUERY_TIMESTAMP_DISJOINT */
724   struct pipe_query_data_timestamp_disjoint timestamp_disjoint;
725
726   /* PIPE_QUERY_PIPELINE_STATISTICS */
727   struct pipe_query_data_pipeline_statistics pipeline_statistics;
728};
729
730union pipe_color_union
731{
732   float f[4];
733   int i[4];
734   unsigned int ui[4];
735};
736
737struct pipe_driver_query_info
738{
739   const char *name;
740   unsigned query_type; /* PIPE_QUERY_DRIVER_SPECIFIC + i */
741   uint64_t max_value; /* max value that can be returned */
742   boolean uses_byte_units; /* whether the result is in bytes */
743};
744
745#ifdef __cplusplus
746}
747#endif
748
749#endif
750