p_defines.h revision 1d118a2a76345063db026b4b4d6cf0df1e341094
1/**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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 TUNGSTEN GRAPHICS 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
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
106
107/**
108 * Inequality functions.  Used for depth test, stencil compare, alpha
109 * test, shadow compare, etc.
110 */
111#define PIPE_FUNC_NEVER    0
112#define PIPE_FUNC_LESS     1
113#define PIPE_FUNC_EQUAL    2
114#define PIPE_FUNC_LEQUAL   3
115#define PIPE_FUNC_GREATER  4
116#define PIPE_FUNC_NOTEQUAL 5
117#define PIPE_FUNC_GEQUAL   6
118#define PIPE_FUNC_ALWAYS   7
119
120/** Polygon fill mode */
121#define PIPE_POLYGON_MODE_FILL  0
122#define PIPE_POLYGON_MODE_LINE  1
123#define PIPE_POLYGON_MODE_POINT 2
124
125/** Polygon face specification, eg for culling */
126#define PIPE_FACE_NONE           0
127#define PIPE_FACE_FRONT          1
128#define PIPE_FACE_BACK           2
129#define PIPE_FACE_FRONT_AND_BACK (PIPE_FACE_FRONT | PIPE_FACE_BACK)
130
131/** Stencil ops */
132#define PIPE_STENCIL_OP_KEEP       0
133#define PIPE_STENCIL_OP_ZERO       1
134#define PIPE_STENCIL_OP_REPLACE    2
135#define PIPE_STENCIL_OP_INCR       3
136#define PIPE_STENCIL_OP_DECR       4
137#define PIPE_STENCIL_OP_INCR_WRAP  5
138#define PIPE_STENCIL_OP_DECR_WRAP  6
139#define PIPE_STENCIL_OP_INVERT     7
140
141/** Texture types.
142 * See the documentation for info on PIPE_TEXTURE_RECT vs PIPE_TEXTURE_2D */
143enum pipe_texture_target {
144   PIPE_BUFFER           = 0,
145   PIPE_TEXTURE_1D       = 1,
146   PIPE_TEXTURE_2D       = 2,
147   PIPE_TEXTURE_3D       = 3,
148   PIPE_TEXTURE_CUBE     = 4,
149   PIPE_TEXTURE_RECT     = 5,
150   PIPE_TEXTURE_1D_ARRAY = 6,
151   PIPE_TEXTURE_2D_ARRAY = 7,
152   PIPE_MAX_TEXTURE_TYPES
153};
154
155#define PIPE_TEX_FACE_POS_X 0
156#define PIPE_TEX_FACE_NEG_X 1
157#define PIPE_TEX_FACE_POS_Y 2
158#define PIPE_TEX_FACE_NEG_Y 3
159#define PIPE_TEX_FACE_POS_Z 4
160#define PIPE_TEX_FACE_NEG_Z 5
161#define PIPE_TEX_FACE_MAX   6
162
163#define PIPE_TEX_WRAP_REPEAT                   0
164#define PIPE_TEX_WRAP_CLAMP                    1
165#define PIPE_TEX_WRAP_CLAMP_TO_EDGE            2
166#define PIPE_TEX_WRAP_CLAMP_TO_BORDER          3
167#define PIPE_TEX_WRAP_MIRROR_REPEAT            4
168#define PIPE_TEX_WRAP_MIRROR_CLAMP             5
169#define PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE     6
170#define PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER   7
171
172/* Between mipmaps, ie mipfilter
173 */
174#define PIPE_TEX_MIPFILTER_NEAREST  0
175#define PIPE_TEX_MIPFILTER_LINEAR   1
176#define PIPE_TEX_MIPFILTER_NONE     2
177
178/* Within a mipmap, ie min/mag filter
179 */
180#define PIPE_TEX_FILTER_NEAREST      0
181#define PIPE_TEX_FILTER_LINEAR       1
182
183#define PIPE_TEX_COMPARE_NONE          0
184#define PIPE_TEX_COMPARE_R_TO_TEXTURE  1
185
186/**
187 * Clear buffer bits
188 */
189/** All color buffers currently bound */
190#define PIPE_CLEAR_COLOR        (1 << 0)
191#define PIPE_CLEAR_DEPTH        (1 << 1)
192#define PIPE_CLEAR_STENCIL      (1 << 2)
193/** Depth/stencil combined */
194#define PIPE_CLEAR_DEPTHSTENCIL (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)
195
196/**
197 * Transfer object usage flags
198 */
199enum pipe_transfer_usage {
200   /**
201    * Resource contents read back (or accessed directly) at transfer
202    * create time.
203    */
204   PIPE_TRANSFER_READ = (1 << 0),
205
206   /**
207    * Resource contents will be written back at transfer_destroy
208    * time (or modified as a result of being accessed directly).
209    */
210   PIPE_TRANSFER_WRITE = (1 << 1),
211
212   /**
213    * Read/modify/write
214    */
215   PIPE_TRANSFER_READ_WRITE = PIPE_TRANSFER_READ | PIPE_TRANSFER_WRITE,
216
217   /**
218    * The transfer should map the texture storage directly. The driver may
219    * return NULL if that isn't possible, and the state tracker needs to cope
220    * with that and use an alternative path without this flag.
221    *
222    * E.g. the state tracker could have a simpler path which maps textures and
223    * does read/modify/write cycles on them directly, and a more complicated
224    * path which uses minimal read and write transfers.
225    */
226   PIPE_TRANSFER_MAP_DIRECTLY = (1 << 2),
227
228   /**
229    * Discards the memory within the mapped region.
230    *
231    * It should not be used with PIPE_TRANSFER_READ.
232    *
233    * See also:
234    * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_RANGE_BIT flag.
235    */
236   PIPE_TRANSFER_DISCARD_RANGE = (1 << 8),
237
238   /**
239    * Fail if the resource cannot be mapped immediately.
240    *
241    * See also:
242    * - Direct3D's D3DLOCK_DONOTWAIT flag.
243    * - Mesa3D's MESA_MAP_NOWAIT_BIT flag.
244    * - WDDM's D3DDDICB_LOCKFLAGS.DonotWait flag.
245    */
246   PIPE_TRANSFER_DONTBLOCK = (1 << 9),
247
248   /**
249    * Do not attempt to synchronize pending operations on the resource when mapping.
250    *
251    * It should not be used with PIPE_TRANSFER_READ.
252    *
253    * See also:
254    * - OpenGL's ARB_map_buffer_range extension, MAP_UNSYNCHRONIZED_BIT flag.
255    * - Direct3D's D3DLOCK_NOOVERWRITE flag.
256    * - WDDM's D3DDDICB_LOCKFLAGS.IgnoreSync flag.
257    */
258   PIPE_TRANSFER_UNSYNCHRONIZED = (1 << 10),
259
260   /**
261    * Written ranges will be notified later with
262    * pipe_context::transfer_flush_region.
263    *
264    * It should not be used with PIPE_TRANSFER_READ.
265    *
266    * See also:
267    * - pipe_context::transfer_flush_region
268    * - OpenGL's ARB_map_buffer_range extension, MAP_FLUSH_EXPLICIT_BIT flag.
269    */
270   PIPE_TRANSFER_FLUSH_EXPLICIT = (1 << 11),
271
272   /**
273    * Discards all memory backing the resource.
274    *
275    * It should not be used with PIPE_TRANSFER_READ.
276    *
277    * This is equivalent to:
278    * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_BUFFER_BIT
279    * - BufferData(NULL) on a GL buffer
280    * - Direct3D's D3DLOCK_DISCARD flag.
281    * - WDDM's D3DDDICB_LOCKFLAGS.Discard flag.
282    * - D3D10 DDI's D3D10_DDI_MAP_WRITE_DISCARD flag
283    * - D3D10's D3D10_MAP_WRITE_DISCARD flag.
284    */
285   PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE = (1 << 12)
286
287};
288
289
290/*
291 * Resource binding flags -- state tracker must specify in advance all
292 * the ways a resource might be used.
293 */
294#define PIPE_BIND_DEPTH_STENCIL        (1 << 0) /* create_surface */
295#define PIPE_BIND_RENDER_TARGET        (1 << 1) /* create_surface */
296#define PIPE_BIND_BLENDABLE            (1 << 2) /* create_surface */
297#define PIPE_BIND_SAMPLER_VIEW         (1 << 3) /* create_sampler_view */
298#define PIPE_BIND_VERTEX_BUFFER        (1 << 4) /* set_vertex_buffers */
299#define PIPE_BIND_INDEX_BUFFER         (1 << 5) /* draw_elements */
300#define PIPE_BIND_CONSTANT_BUFFER      (1 << 6) /* set_constant_buffer */
301#define PIPE_BIND_DISPLAY_TARGET       (1 << 8) /* flush_front_buffer */
302#define PIPE_BIND_TRANSFER_WRITE       (1 << 9) /* get_transfer */
303#define PIPE_BIND_TRANSFER_READ        (1 << 10) /* get_transfer */
304#define PIPE_BIND_STREAM_OUTPUT        (1 << 11) /* set_stream_output_buffers */
305#define PIPE_BIND_CURSOR               (1 << 16) /* mouse cursor */
306#define PIPE_BIND_CUSTOM               (1 << 17) /* state-tracker/winsys usages */
307#define PIPE_BIND_GLOBAL               (1 << 18) /* set_global_binding */
308#define PIPE_BIND_SHADER_RESOURCE      (1 << 19) /* set_shader_resources */
309#define PIPE_BIND_COMPUTE_RESOURCE     (1 << 20) /* set_compute_resources */
310
311/* The first two flags above were previously part of the amorphous
312 * TEXTURE_USAGE, most of which are now descriptions of the ways a
313 * particular texture can be bound to the gallium pipeline.  The two flags
314 * below do not fit within that and probably need to be migrated to some
315 * other place.
316 *
317 * It seems like scanout is used by the Xorg state tracker to ask for
318 * a texture suitable for actual scanout (hence the name), which
319 * implies extra layout constraints on some hardware.  It may also
320 * have some special meaning regarding mouse cursor images.
321 *
322 * The shared flag is quite underspecified, but certainly isn't a
323 * binding flag - it seems more like a message to the winsys to create
324 * a shareable allocation.
325 */
326#define PIPE_BIND_SCANOUT     (1 << 14) /*  */
327#define PIPE_BIND_SHARED      (1 << 15) /* get_texture_handle ??? */
328
329
330/* Flags for the driver about resource behaviour:
331 */
332#define PIPE_RESOURCE_FLAG_GEN_MIPS    (1 << 0)  /* Driver performs autogen mips */
333#define PIPE_RESOURCE_FLAG_DRV_PRIV    (1 << 16) /* driver/winsys private */
334#define PIPE_RESOURCE_FLAG_ST_PRIV     (1 << 24) /* state-tracker/winsys private */
335
336/* Hint about the expected lifecycle of a resource.
337 */
338#define PIPE_USAGE_DEFAULT        0 /* many uploads, draws intermixed */
339#define PIPE_USAGE_DYNAMIC        1 /* many uploads, draws intermixed */
340#define PIPE_USAGE_STATIC         2 /* same as immutable?? */
341#define PIPE_USAGE_IMMUTABLE      3 /* no change after first upload */
342#define PIPE_USAGE_STREAM         4 /* upload, draw, upload, draw */
343#define PIPE_USAGE_STAGING        5 /* supports data transfers from the GPU to the CPU */
344
345
346/**
347 * Shaders
348 */
349#define PIPE_SHADER_VERTEX   0
350#define PIPE_SHADER_FRAGMENT 1
351#define PIPE_SHADER_GEOMETRY 2
352#define PIPE_SHADER_COMPUTE  3
353#define PIPE_SHADER_TYPES    4
354
355
356/**
357 * Primitive types:
358 */
359#define PIPE_PRIM_POINTS               0
360#define PIPE_PRIM_LINES                1
361#define PIPE_PRIM_LINE_LOOP            2
362#define PIPE_PRIM_LINE_STRIP           3
363#define PIPE_PRIM_TRIANGLES            4
364#define PIPE_PRIM_TRIANGLE_STRIP       5
365#define PIPE_PRIM_TRIANGLE_FAN         6
366#define PIPE_PRIM_QUADS                7
367#define PIPE_PRIM_QUAD_STRIP           8
368#define PIPE_PRIM_POLYGON              9
369#define PIPE_PRIM_LINES_ADJACENCY          10
370#define PIPE_PRIM_LINE_STRIP_ADJACENCY    11
371#define PIPE_PRIM_TRIANGLES_ADJACENCY      12
372#define PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY 13
373#define PIPE_PRIM_MAX                      14
374
375
376/**
377 * Query object types
378 */
379#define PIPE_QUERY_OCCLUSION_COUNTER     0
380#define PIPE_QUERY_OCCLUSION_PREDICATE   1
381#define PIPE_QUERY_TIMESTAMP             2
382#define PIPE_QUERY_TIMESTAMP_DISJOINT    3
383#define PIPE_QUERY_TIME_ELAPSED          4
384#define PIPE_QUERY_PRIMITIVES_GENERATED  5
385#define PIPE_QUERY_PRIMITIVES_EMITTED    6
386#define PIPE_QUERY_SO_STATISTICS         7
387#define PIPE_QUERY_SO_OVERFLOW_PREDICATE 8
388#define PIPE_QUERY_GPU_FINISHED          9
389#define PIPE_QUERY_PIPELINE_STATISTICS  10
390#define PIPE_QUERY_TYPES                11
391
392
393/**
394 * Conditional rendering modes
395 */
396#define PIPE_RENDER_COND_WAIT              0
397#define PIPE_RENDER_COND_NO_WAIT           1
398#define PIPE_RENDER_COND_BY_REGION_WAIT    2
399#define PIPE_RENDER_COND_BY_REGION_NO_WAIT 3
400
401
402/**
403 * Point sprite coord modes
404 */
405#define PIPE_SPRITE_COORD_UPPER_LEFT 0
406#define PIPE_SPRITE_COORD_LOWER_LEFT 1
407
408
409/**
410 * Texture swizzles
411 */
412#define PIPE_SWIZZLE_RED   0
413#define PIPE_SWIZZLE_GREEN 1
414#define PIPE_SWIZZLE_BLUE  2
415#define PIPE_SWIZZLE_ALPHA 3
416#define PIPE_SWIZZLE_ZERO  4
417#define PIPE_SWIZZLE_ONE   5
418
419
420#define PIPE_TIMEOUT_INFINITE 0xffffffffffffffffull
421
422/**
423 * Implementation capabilities/limits which are queried through
424 * pipe_screen::get_param()
425 */
426enum pipe_cap {
427   PIPE_CAP_NPOT_TEXTURES = 1,
428   PIPE_CAP_TWO_SIDED_STENCIL = 2,
429   PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS = 4,
430   PIPE_CAP_ANISOTROPIC_FILTER = 5,
431   PIPE_CAP_POINT_SPRITE = 6,
432   PIPE_CAP_MAX_RENDER_TARGETS = 7,
433   PIPE_CAP_OCCLUSION_QUERY = 8,
434   PIPE_CAP_TIMER_QUERY = 9,
435   PIPE_CAP_TEXTURE_SHADOW_MAP = 10,
436   PIPE_CAP_TEXTURE_SWIZZLE = 11,
437   PIPE_CAP_MAX_TEXTURE_2D_LEVELS = 12,
438   PIPE_CAP_MAX_TEXTURE_3D_LEVELS = 13,
439   PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS = 14,
440   PIPE_CAP_TEXTURE_MIRROR_CLAMP = 25,
441   PIPE_CAP_BLEND_EQUATION_SEPARATE = 28,
442   PIPE_CAP_SM3 = 29,  /*< Shader Model, supported */
443   PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS = 30,
444   PIPE_CAP_PRIMITIVE_RESTART = 31,
445   /** Maximum texture image units accessible from vertex and fragment shaders
446    * combined */
447   PIPE_CAP_MAX_COMBINED_SAMPLERS = 32,
448   /** blend enables and write masks per rendertarget */
449   PIPE_CAP_INDEP_BLEND_ENABLE = 33,
450   /** different blend funcs per rendertarget */
451   PIPE_CAP_INDEP_BLEND_FUNC = 34,
452   PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE = 35,
453   PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS = 36,
454   PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT = 37,
455   PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT = 38,
456   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER = 39,
457   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER = 40,
458   PIPE_CAP_DEPTH_CLIP_DISABLE = 41,
459   PIPE_CAP_SHADER_STENCIL_EXPORT = 42,
460   PIPE_CAP_TGSI_INSTANCEID = 43,
461   PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR = 44,
462   PIPE_CAP_FRAGMENT_COLOR_CLAMPED = 45,
463   PIPE_CAP_MIXED_COLORBUFFER_FORMATS = 46,
464   PIPE_CAP_SEAMLESS_CUBE_MAP = 47,
465   PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE = 48,
466   PIPE_CAP_SCALED_RESOLVE = 49,
467   PIPE_CAP_MIN_TEXEL_OFFSET = 50,
468   PIPE_CAP_MAX_TEXEL_OFFSET = 51,
469   PIPE_CAP_CONDITIONAL_RENDER = 52,
470   PIPE_CAP_TEXTURE_BARRIER = 53,
471   PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS = 55,
472   PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS = 56,
473   PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME = 57,
474   PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS = 58, /* temporary */
475   PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS = 59, /* temporary */
476   PIPE_CAP_VERTEX_COLOR_UNCLAMPED = 60,
477   PIPE_CAP_VERTEX_COLOR_CLAMPED = 61,
478   PIPE_CAP_GLSL_FEATURE_LEVEL = 62,
479   PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION = 63,
480   PIPE_CAP_USER_VERTEX_BUFFERS = 64,
481   PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY = 65,
482   PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY = 66,
483   PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY = 67,
484   PIPE_CAP_COMPUTE = 68,
485   PIPE_CAP_USER_INDEX_BUFFERS = 69,
486   PIPE_CAP_USER_CONSTANT_BUFFERS = 70,
487   PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT = 71
488};
489
490/**
491 * Implementation limits which are queried through
492 * pipe_screen::get_paramf()
493 */
494enum pipe_capf
495{
496   PIPE_CAPF_MAX_LINE_WIDTH = 15,
497   PIPE_CAPF_MAX_LINE_WIDTH_AA = 16,
498   PIPE_CAPF_MAX_POINT_WIDTH = 17,
499   PIPE_CAPF_MAX_POINT_WIDTH_AA = 18,
500   PIPE_CAPF_MAX_TEXTURE_ANISOTROPY = 19,
501   PIPE_CAPF_MAX_TEXTURE_LOD_BIAS = 20,
502   PIPE_CAPF_GUARD_BAND_LEFT = 21,
503   PIPE_CAPF_GUARD_BAND_TOP = 22,
504   PIPE_CAPF_GUARD_BAND_RIGHT = 23,
505   PIPE_CAPF_GUARD_BAND_BOTTOM = 24
506};
507
508/* Shader caps not specific to any single stage */
509enum pipe_shader_cap
510{
511   PIPE_SHADER_CAP_MAX_INSTRUCTIONS = 0, /* if 0, it means the stage is unsupported */
512   PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS = 1,
513   PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS = 2,
514   PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS = 3,
515   PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH = 4,
516   PIPE_SHADER_CAP_MAX_INPUTS = 5,
517   PIPE_SHADER_CAP_MAX_CONSTS = 6,
518   PIPE_SHADER_CAP_MAX_CONST_BUFFERS = 7,
519   PIPE_SHADER_CAP_MAX_TEMPS = 8,
520   PIPE_SHADER_CAP_MAX_ADDRS = 9,
521   PIPE_SHADER_CAP_MAX_PREDS = 10,
522   /* boolean caps */
523   PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED = 11,
524   PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR = 12,
525   PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR = 13,
526   PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR = 14,
527   PIPE_SHADER_CAP_INDIRECT_CONST_ADDR = 15,
528   PIPE_SHADER_CAP_SUBROUTINES = 16, /* BGNSUB, ENDSUB, CAL, RET */
529   PIPE_SHADER_CAP_INTEGERS = 17,
530   PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS = 18,
531   PIPE_SHADER_CAP_PREFERRED_IR = 19
532};
533
534/**
535 * Shader intermediate representation.
536 */
537enum pipe_shader_ir
538{
539   PIPE_SHADER_IR_TGSI,
540   PIPE_SHADER_IR_LLVM
541};
542
543/**
544 * Compute-specific implementation capability.  They can be queried
545 * using pipe_screen::get_compute_param.
546 */
547enum pipe_compute_cap
548{
549   PIPE_COMPUTE_CAP_GRID_DIMENSION,
550   PIPE_COMPUTE_CAP_MAX_GRID_SIZE,
551   PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE,
552   PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK,
553   PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE,
554   PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE,
555   PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE,
556   PIPE_COMPUTE_CAP_MAX_INPUT_SIZE
557};
558
559/**
560 * Composite query types
561 */
562
563/**
564 * Query result for PIPE_QUERY_SO_STATISTICS.
565 */
566struct pipe_query_data_so_statistics
567{
568   uint64_t num_primitives_written;
569   uint64_t primitives_storage_needed;
570};
571
572/**
573 * Query result for PIPE_QUERY_TIMESTAMP_DISJOINT.
574 */
575struct pipe_query_data_timestamp_disjoint
576{
577   uint64_t frequency;
578   boolean  disjoint;
579};
580
581/**
582 * Query result for PIPE_QUERY_PIPELINE_STATISTICS.
583 */
584struct pipe_query_data_pipeline_statistics
585{
586   uint64_t ia_vertices;    /**< Num vertices read by the vertex fetcher. */
587   uint64_t ia_primitives;  /**< Num primitives read by the vertex fetcher. */
588   uint64_t vs_invocations; /**< Num vertex shader invocations. */
589   uint64_t gs_invocations; /**< Num geometry shader invocations. */
590   uint64_t gs_primitives;  /**< Num primitives output by a geometry shader. */
591   uint64_t c_invocations;  /**< Num primitives sent to the rasterizer. */
592   uint64_t c_primitives;   /**< Num primitives that were rendered. */
593   uint64_t ps_invocations; /**< Num pixel shader invocations. */
594   uint64_t hs_invocations; /**< Num hull shader invocations. */
595   uint64_t ds_invocations; /**< Num domain shader invocations. */
596   uint64_t cs_invocations; /**< Num compute shader invocations. */
597};
598
599/**
600 * Query result (returned by pipe_context::get_query_result).
601 */
602union pipe_query_result
603{
604   /* PIPE_QUERY_OCCLUSION_PREDICATE */
605   /* PIPE_QUERY_SO_OVERFLOW_PREDICATE */
606   /* PIPE_QUERY_GPU_FINISHED */
607   boolean b;
608
609   /* PIPE_QUERY_OCCLUSION_COUNTER */
610   /* PIPE_QUERY_TIMESTAMP */
611   /* PIPE_QUERY_TIME_ELAPSED */
612   /* PIPE_QUERY_PRIMITIVES_GENERATED */
613   /* PIPE_QUERY_PRIMITIVES_EMITTED */
614   uint64_t u64;
615
616   /* PIPE_QUERY_SO_STATISTICS */
617   struct pipe_query_data_so_statistics so_statistics;
618
619   /* PIPE_QUERY_TIMESTAMP_DISJOINT */
620   struct pipe_query_data_timestamp_disjoint timestamp_disjoint;
621
622   /* PIPE_QUERY_PIPELINE_STATISTICS */
623   struct pipe_query_data_pipeline_statistics pipeline_statistics;
624};
625
626union pipe_color_union
627{
628   float f[4];
629   int i[4];
630   unsigned int ui[4];
631};
632
633#ifdef __cplusplus
634}
635#endif
636
637#endif
638