p_defines.h revision 7ec681f3
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
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{
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
54enum 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
78enum 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
86enum 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 */
120enum 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 */
132enum {
133   PIPE_POLYGON_MODE_FILL,
134   PIPE_POLYGON_MODE_LINE,
135   PIPE_POLYGON_MODE_POINT,
136   PIPE_POLYGON_MODE_FILL_RECTANGLE,
137};
138
139/** Polygon face specification, eg for culling */
140#define PIPE_FACE_NONE           0
141#define PIPE_FACE_FRONT          1
142#define PIPE_FACE_BACK           2
143#define PIPE_FACE_FRONT_AND_BACK (PIPE_FACE_FRONT | PIPE_FACE_BACK)
144
145/** Stencil ops */
146enum pipe_stencil_op {
147   PIPE_STENCIL_OP_KEEP,
148   PIPE_STENCIL_OP_ZERO,
149   PIPE_STENCIL_OP_REPLACE,
150   PIPE_STENCIL_OP_INCR,
151   PIPE_STENCIL_OP_DECR,
152   PIPE_STENCIL_OP_INCR_WRAP,
153   PIPE_STENCIL_OP_DECR_WRAP,
154   PIPE_STENCIL_OP_INVERT,
155};
156
157/** Texture types.
158 * See the documentation for info on PIPE_TEXTURE_RECT vs PIPE_TEXTURE_2D
159 */
160enum pipe_texture_target
161{
162   PIPE_BUFFER,
163   PIPE_TEXTURE_1D,
164   PIPE_TEXTURE_2D,
165   PIPE_TEXTURE_3D,
166   PIPE_TEXTURE_CUBE,
167   PIPE_TEXTURE_RECT,
168   PIPE_TEXTURE_1D_ARRAY,
169   PIPE_TEXTURE_2D_ARRAY,
170   PIPE_TEXTURE_CUBE_ARRAY,
171   PIPE_MAX_TEXTURE_TYPES,
172};
173
174enum pipe_tex_face {
175   PIPE_TEX_FACE_POS_X,
176   PIPE_TEX_FACE_NEG_X,
177   PIPE_TEX_FACE_POS_Y,
178   PIPE_TEX_FACE_NEG_Y,
179   PIPE_TEX_FACE_POS_Z,
180   PIPE_TEX_FACE_NEG_Z,
181   PIPE_TEX_FACE_MAX,
182};
183
184enum pipe_tex_wrap {
185   PIPE_TEX_WRAP_REPEAT,
186   PIPE_TEX_WRAP_CLAMP,
187   PIPE_TEX_WRAP_CLAMP_TO_EDGE,
188   PIPE_TEX_WRAP_CLAMP_TO_BORDER,
189   PIPE_TEX_WRAP_MIRROR_REPEAT,
190   PIPE_TEX_WRAP_MIRROR_CLAMP,
191   PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE,
192   PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER,
193};
194
195/** Between mipmaps, ie mipfilter */
196enum pipe_tex_mipfilter {
197   PIPE_TEX_MIPFILTER_NEAREST,
198   PIPE_TEX_MIPFILTER_LINEAR,
199   PIPE_TEX_MIPFILTER_NONE,
200};
201
202/** Within a mipmap, ie min/mag filter */
203enum pipe_tex_filter {
204   PIPE_TEX_FILTER_NEAREST,
205   PIPE_TEX_FILTER_LINEAR,
206};
207
208enum pipe_tex_compare {
209   PIPE_TEX_COMPARE_NONE,
210   PIPE_TEX_COMPARE_R_TO_TEXTURE,
211};
212
213enum pipe_tex_reduction_mode {
214   PIPE_TEX_REDUCTION_WEIGHTED_AVERAGE,
215   PIPE_TEX_REDUCTION_MIN,
216   PIPE_TEX_REDUCTION_MAX,
217};
218
219/**
220 * Clear buffer bits
221 */
222#define PIPE_CLEAR_DEPTH        (1 << 0)
223#define PIPE_CLEAR_STENCIL      (1 << 1)
224#define PIPE_CLEAR_COLOR0       (1 << 2)
225#define PIPE_CLEAR_COLOR1       (1 << 3)
226#define PIPE_CLEAR_COLOR2       (1 << 4)
227#define PIPE_CLEAR_COLOR3       (1 << 5)
228#define PIPE_CLEAR_COLOR4       (1 << 6)
229#define PIPE_CLEAR_COLOR5       (1 << 7)
230#define PIPE_CLEAR_COLOR6       (1 << 8)
231#define PIPE_CLEAR_COLOR7       (1 << 9)
232/** Combined flags */
233/** All color buffers currently bound */
234#define PIPE_CLEAR_COLOR        (PIPE_CLEAR_COLOR0 | PIPE_CLEAR_COLOR1 | \
235                                 PIPE_CLEAR_COLOR2 | PIPE_CLEAR_COLOR3 | \
236                                 PIPE_CLEAR_COLOR4 | PIPE_CLEAR_COLOR5 | \
237                                 PIPE_CLEAR_COLOR6 | PIPE_CLEAR_COLOR7)
238#define PIPE_CLEAR_DEPTHSTENCIL (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)
239
240/**
241 * CPU access map flags
242 */
243enum pipe_map_flags
244{
245   /**
246    * Resource contents read back (or accessed directly) at transfer
247    * create time.
248    */
249   PIPE_MAP_READ = 1 << 0,
250
251   /**
252    * Resource contents will be written back at buffer/texture_unmap
253    * time (or modified as a result of being accessed directly).
254    */
255   PIPE_MAP_WRITE = 1 << 1,
256
257   /**
258    * Read/modify/write
259    */
260   PIPE_MAP_READ_WRITE = PIPE_MAP_READ | PIPE_MAP_WRITE,
261
262   /**
263    * The transfer should map the texture storage directly. The driver may
264    * return NULL if that isn't possible, and the gallium frontend needs to cope
265    * with that and use an alternative path without this flag.
266    *
267    * E.g. the gallium frontend could have a simpler path which maps textures and
268    * does read/modify/write cycles on them directly, and a more complicated
269    * path which uses minimal read and write transfers.
270    *
271    * This flag supresses implicit "DISCARD" for buffer_subdata.
272    */
273   PIPE_MAP_DIRECTLY = 1 << 2,
274
275   /**
276    * Discards the memory within the mapped region.
277    *
278    * It should not be used with PIPE_MAP_READ.
279    *
280    * See also:
281    * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_RANGE_BIT flag.
282    */
283   PIPE_MAP_DISCARD_RANGE = 1 << 3,
284
285   /**
286    * Fail if the resource cannot be mapped immediately.
287    *
288    * See also:
289    * - Direct3D's D3DLOCK_DONOTWAIT flag.
290    * - Mesa's MESA_MAP_NOWAIT_BIT flag.
291    * - WDDM's D3DDDICB_LOCKFLAGS.DonotWait flag.
292    */
293   PIPE_MAP_DONTBLOCK = 1 << 4,
294
295   /**
296    * Do not attempt to synchronize pending operations on the resource when mapping.
297    *
298    * It should not be used with PIPE_MAP_READ.
299    *
300    * See also:
301    * - OpenGL's ARB_map_buffer_range extension, MAP_UNSYNCHRONIZED_BIT flag.
302    * - Direct3D's D3DLOCK_NOOVERWRITE flag.
303    * - WDDM's D3DDDICB_LOCKFLAGS.IgnoreSync flag.
304    */
305   PIPE_MAP_UNSYNCHRONIZED = 1 << 5,
306
307   /**
308    * Written ranges will be notified later with
309    * pipe_context::transfer_flush_region.
310    *
311    * It should not be used with PIPE_MAP_READ.
312    *
313    * See also:
314    * - pipe_context::transfer_flush_region
315    * - OpenGL's ARB_map_buffer_range extension, MAP_FLUSH_EXPLICIT_BIT flag.
316    */
317   PIPE_MAP_FLUSH_EXPLICIT = 1 << 6,
318
319   /**
320    * Discards all memory backing the resource.
321    *
322    * It should not be used with PIPE_MAP_READ.
323    *
324    * This is equivalent to:
325    * - OpenGL's ARB_map_buffer_range extension, MAP_INVALIDATE_BUFFER_BIT
326    * - BufferData(NULL) on a GL buffer
327    * - Direct3D's D3DLOCK_DISCARD flag.
328    * - WDDM's D3DDDICB_LOCKFLAGS.Discard flag.
329    * - D3D10 DDI's D3D10_DDI_MAP_WRITE_DISCARD flag
330    * - D3D10's D3D10_MAP_WRITE_DISCARD flag.
331    */
332   PIPE_MAP_DISCARD_WHOLE_RESOURCE = 1 << 7,
333
334   /**
335    * Allows the resource to be used for rendering while mapped.
336    *
337    * PIPE_RESOURCE_FLAG_MAP_PERSISTENT must be set when creating
338    * the resource.
339    *
340    * If COHERENT is not set, memory_barrier(PIPE_BARRIER_MAPPED_BUFFER)
341    * must be called to ensure the device can see what the CPU has written.
342    */
343   PIPE_MAP_PERSISTENT = 1 << 8,
344
345   /**
346    * If PERSISTENT is set, this ensures any writes done by the device are
347    * immediately visible to the CPU and vice versa.
348    *
349    * PIPE_RESOURCE_FLAG_MAP_COHERENT must be set when creating
350    * the resource.
351    */
352   PIPE_MAP_COHERENT = 1 << 9,
353
354   /**
355    * Map a resource in a thread-safe manner, because the calling thread can
356    * be any thread. It can only be used if both WRITE and UNSYNCHRONIZED are
357    * set.
358    */
359   PIPE_MAP_THREAD_SAFE = 1 << 10,
360
361   /**
362    * Map only the depth aspect of a resource
363    */
364   PIPE_MAP_DEPTH_ONLY = 1 << 11,
365
366   /**
367    * Map only the stencil aspect of a resource
368    */
369   PIPE_MAP_STENCIL_ONLY = 1 << 12,
370
371   /**
372    * Mapping will be used only once (never remapped).
373    */
374   PIPE_MAP_ONCE = 1 << 13,
375
376   /**
377    * This and higher bits are reserved for private use by drivers. Drivers
378    * should use this as (PIPE_MAP_DRV_PRV << i).
379    */
380   PIPE_MAP_DRV_PRV = 1 << 14,
381};
382
383/**
384 * Flags for the flush function.
385 */
386enum pipe_flush_flags
387{
388   PIPE_FLUSH_END_OF_FRAME = (1 << 0),
389   PIPE_FLUSH_DEFERRED = (1 << 1),
390   PIPE_FLUSH_FENCE_FD = (1 << 2),
391   PIPE_FLUSH_ASYNC = (1 << 3),
392   PIPE_FLUSH_HINT_FINISH = (1 << 4),
393   PIPE_FLUSH_TOP_OF_PIPE = (1 << 5),
394   PIPE_FLUSH_BOTTOM_OF_PIPE = (1 << 6),
395};
396
397/**
398 * Flags for pipe_context::dump_debug_state.
399 */
400#define PIPE_DUMP_DEVICE_STATUS_REGISTERS    (1 << 0)
401
402/**
403 * Create a compute-only context. Use in pipe_screen::context_create.
404 * This disables draw, blit, and clear*, render_condition, and other graphics
405 * functions. Interop with other graphics contexts is still allowed.
406 * This allows scheduling jobs on a compute-only hardware command queue that
407 * can run in parallel with graphics without stalling it.
408 */
409#define PIPE_CONTEXT_COMPUTE_ONLY      (1 << 0)
410
411/**
412 * Gather debug information and expect that pipe_context::dump_debug_state
413 * will be called. Use in pipe_screen::context_create.
414 */
415#define PIPE_CONTEXT_DEBUG             (1 << 1)
416
417/**
418 * Whether out-of-bounds shader loads must return zero and out-of-bounds
419 * shader stores must be dropped.
420 */
421#define PIPE_CONTEXT_ROBUST_BUFFER_ACCESS (1 << 2)
422
423/**
424 * Prefer threaded pipe_context. It also implies that video codec functions
425 * will not be used. (they will be either no-ops or NULL when threading is
426 * enabled)
427 */
428#define PIPE_CONTEXT_PREFER_THREADED   (1 << 3)
429
430/**
431 * Create a high priority context.
432 */
433#define PIPE_CONTEXT_HIGH_PRIORITY     (1 << 4)
434
435/**
436 * Create a low priority context.
437 */
438#define PIPE_CONTEXT_LOW_PRIORITY      (1 << 5)
439
440/** Stop execution if the device is reset. */
441#define PIPE_CONTEXT_LOSE_CONTEXT_ON_RESET (1 << 6)
442
443/**
444 * Flags for pipe_context::memory_barrier.
445 */
446#define PIPE_BARRIER_MAPPED_BUFFER     (1 << 0)
447#define PIPE_BARRIER_SHADER_BUFFER     (1 << 1)
448#define PIPE_BARRIER_QUERY_BUFFER      (1 << 2)
449#define PIPE_BARRIER_VERTEX_BUFFER     (1 << 3)
450#define PIPE_BARRIER_INDEX_BUFFER      (1 << 4)
451#define PIPE_BARRIER_CONSTANT_BUFFER   (1 << 5)
452#define PIPE_BARRIER_INDIRECT_BUFFER   (1 << 6)
453#define PIPE_BARRIER_TEXTURE           (1 << 7)
454#define PIPE_BARRIER_IMAGE             (1 << 8)
455#define PIPE_BARRIER_FRAMEBUFFER       (1 << 9)
456#define PIPE_BARRIER_STREAMOUT_BUFFER  (1 << 10)
457#define PIPE_BARRIER_GLOBAL_BUFFER     (1 << 11)
458#define PIPE_BARRIER_UPDATE_BUFFER     (1 << 12)
459#define PIPE_BARRIER_UPDATE_TEXTURE    (1 << 13)
460#define PIPE_BARRIER_ALL               ((1 << 14) - 1)
461
462#define PIPE_BARRIER_UPDATE \
463   (PIPE_BARRIER_UPDATE_BUFFER | PIPE_BARRIER_UPDATE_TEXTURE)
464
465/**
466 * Flags for pipe_context::texture_barrier.
467 */
468#define PIPE_TEXTURE_BARRIER_SAMPLER      (1 << 0)
469#define PIPE_TEXTURE_BARRIER_FRAMEBUFFER  (1 << 1)
470
471/**
472 * Resource binding flags -- gallium frontends must specify in advance all
473 * the ways a resource might be used.
474 */
475#define PIPE_BIND_DEPTH_STENCIL        (1 << 0) /* create_surface */
476#define PIPE_BIND_RENDER_TARGET        (1 << 1) /* create_surface */
477#define PIPE_BIND_BLENDABLE            (1 << 2) /* create_surface */
478#define PIPE_BIND_SAMPLER_VIEW         (1 << 3) /* create_sampler_view */
479#define PIPE_BIND_VERTEX_BUFFER        (1 << 4) /* set_vertex_buffers */
480#define PIPE_BIND_INDEX_BUFFER         (1 << 5) /* draw_elements */
481#define PIPE_BIND_CONSTANT_BUFFER      (1 << 6) /* set_constant_buffer */
482#define PIPE_BIND_DISPLAY_TARGET       (1 << 7) /* flush_front_buffer */
483/* gap */
484#define PIPE_BIND_STREAM_OUTPUT        (1 << 10) /* set_stream_output_buffers */
485#define PIPE_BIND_CURSOR               (1 << 11) /* mouse cursor */
486#define PIPE_BIND_CUSTOM               (1 << 12) /* gallium frontend/winsys usages */
487#define PIPE_BIND_GLOBAL               (1 << 13) /* set_global_binding */
488#define PIPE_BIND_SHADER_BUFFER        (1 << 14) /* set_shader_buffers */
489#define PIPE_BIND_SHADER_IMAGE         (1 << 15) /* set_shader_images */
490#define PIPE_BIND_COMPUTE_RESOURCE     (1 << 16) /* set_compute_resources */
491#define PIPE_BIND_COMMAND_ARGS_BUFFER  (1 << 17) /* pipe_draw_info.indirect */
492#define PIPE_BIND_QUERY_BUFFER         (1 << 18) /* get_query_result_resource */
493
494/**
495 * The first two flags above were previously part of the amorphous
496 * TEXTURE_USAGE, most of which are now descriptions of the ways a
497 * particular texture can be bound to the gallium pipeline.  The two flags
498 * below do not fit within that and probably need to be migrated to some
499 * other place.
500 *
501 * Scanout is used to ask for a texture suitable for actual scanout (hence
502 * the name), which implies extra layout constraints on some hardware.
503 * It may also have some special meaning regarding mouse cursor images.
504 *
505 * The shared flag is quite underspecified, but certainly isn't a
506 * binding flag - it seems more like a message to the winsys to create
507 * a shareable allocation.
508 *
509 * The third flag has been added to be able to force textures to be created
510 * in linear mode (no tiling).
511 */
512#define PIPE_BIND_SCANOUT     (1 << 19) /*  */
513#define PIPE_BIND_SHARED      (1 << 20) /* get_texture_handle ??? */
514#define PIPE_BIND_LINEAR      (1 << 21)
515#define PIPE_BIND_PROTECTED   (1 << 22) /* Resource will be protected/encrypted */
516#define PIPE_BIND_SAMPLER_REDUCTION_MINMAX (1 << 23) /* PIPE_CAP_SAMPLER_REDUCTION_MINMAX */
517
518
519/**
520 * Flags for the driver about resource behaviour:
521 */
522#define PIPE_RESOURCE_FLAG_MAP_PERSISTENT (1 << 0)
523#define PIPE_RESOURCE_FLAG_MAP_COHERENT   (1 << 1)
524#define PIPE_RESOURCE_FLAG_TEXTURING_MORE_LIKELY (1 << 2)
525#define PIPE_RESOURCE_FLAG_SPARSE                (1 << 3)
526#define PIPE_RESOURCE_FLAG_SINGLE_THREAD_USE     (1 << 4)
527#define PIPE_RESOURCE_FLAG_ENCRYPTED             (1 << 5)
528#define PIPE_RESOURCE_FLAG_DONT_OVER_ALLOCATE    (1 << 6)
529#define PIPE_RESOURCE_FLAG_DONT_MAP_DIRECTLY     (1 << 7) /* for small visible VRAM */
530#define PIPE_RESOURCE_FLAG_DRV_PRIV    (1 << 8) /* driver/winsys private */
531#define PIPE_RESOURCE_FLAG_FRONTEND_PRIV         (1 << 24) /* gallium frontend private */
532
533/**
534 * Hint about the expected lifecycle of a resource.
535 * Sorted according to GPU vs CPU access.
536 */
537enum pipe_resource_usage {
538   PIPE_USAGE_DEFAULT,        /* fast GPU access */
539   PIPE_USAGE_IMMUTABLE,      /* fast GPU access, immutable */
540   PIPE_USAGE_DYNAMIC,        /* uploaded data is used multiple times */
541   PIPE_USAGE_STREAM,         /* uploaded data is used once */
542   PIPE_USAGE_STAGING,        /* fast CPU access */
543};
544
545/**
546 * Shaders
547 */
548enum pipe_shader_type {
549   PIPE_SHADER_VERTEX,
550   PIPE_SHADER_FRAGMENT,
551   PIPE_SHADER_GEOMETRY,
552   PIPE_SHADER_TESS_CTRL,
553   PIPE_SHADER_TESS_EVAL,
554   PIPE_SHADER_COMPUTE,
555   PIPE_SHADER_TYPES,
556};
557
558/**
559 * Primitive types:
560 */
561enum pipe_prim_type {
562   PIPE_PRIM_POINTS,
563   PIPE_PRIM_LINES,
564   PIPE_PRIM_LINE_LOOP,
565   PIPE_PRIM_LINE_STRIP,
566   PIPE_PRIM_TRIANGLES,
567   PIPE_PRIM_TRIANGLE_STRIP,
568   PIPE_PRIM_TRIANGLE_FAN,
569   PIPE_PRIM_QUADS,
570   PIPE_PRIM_QUAD_STRIP,
571   PIPE_PRIM_POLYGON,
572   PIPE_PRIM_LINES_ADJACENCY,
573   PIPE_PRIM_LINE_STRIP_ADJACENCY,
574   PIPE_PRIM_TRIANGLES_ADJACENCY,
575   PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY,
576   PIPE_PRIM_PATCHES,
577   PIPE_PRIM_MAX,
578} ENUM_PACKED;
579
580/**
581 * Tessellator spacing types
582 */
583enum pipe_tess_spacing {
584   PIPE_TESS_SPACING_FRACTIONAL_ODD,
585   PIPE_TESS_SPACING_FRACTIONAL_EVEN,
586   PIPE_TESS_SPACING_EQUAL,
587};
588
589/**
590 * Query object types
591 */
592enum pipe_query_type {
593   PIPE_QUERY_OCCLUSION_COUNTER,
594   PIPE_QUERY_OCCLUSION_PREDICATE,
595   PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE,
596   PIPE_QUERY_TIMESTAMP,
597   PIPE_QUERY_TIMESTAMP_DISJOINT,
598   PIPE_QUERY_TIME_ELAPSED,
599   PIPE_QUERY_PRIMITIVES_GENERATED,
600   PIPE_QUERY_PRIMITIVES_EMITTED,
601   PIPE_QUERY_SO_STATISTICS,
602   PIPE_QUERY_SO_OVERFLOW_PREDICATE,
603   PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE,
604   PIPE_QUERY_GPU_FINISHED,
605   PIPE_QUERY_PIPELINE_STATISTICS,
606   PIPE_QUERY_PIPELINE_STATISTICS_SINGLE,
607   PIPE_QUERY_TYPES,
608   /* start of driver queries, see pipe_screen::get_driver_query_info */
609   PIPE_QUERY_DRIVER_SPECIFIC = 256,
610};
611
612/**
613 * Index for PIPE_QUERY_PIPELINE_STATISTICS subqueries.
614 */
615enum pipe_statistics_query_index {
616   PIPE_STAT_QUERY_IA_VERTICES,
617   PIPE_STAT_QUERY_IA_PRIMITIVES,
618   PIPE_STAT_QUERY_VS_INVOCATIONS,
619   PIPE_STAT_QUERY_GS_INVOCATIONS,
620   PIPE_STAT_QUERY_GS_PRIMITIVES,
621   PIPE_STAT_QUERY_C_INVOCATIONS,
622   PIPE_STAT_QUERY_C_PRIMITIVES,
623   PIPE_STAT_QUERY_PS_INVOCATIONS,
624   PIPE_STAT_QUERY_HS_INVOCATIONS,
625   PIPE_STAT_QUERY_DS_INVOCATIONS,
626   PIPE_STAT_QUERY_CS_INVOCATIONS,
627};
628
629/**
630 * Conditional rendering modes
631 */
632enum pipe_render_cond_flag {
633   PIPE_RENDER_COND_WAIT,
634   PIPE_RENDER_COND_NO_WAIT,
635   PIPE_RENDER_COND_BY_REGION_WAIT,
636   PIPE_RENDER_COND_BY_REGION_NO_WAIT,
637};
638
639/**
640 * Point sprite coord modes
641 */
642enum pipe_sprite_coord_mode {
643   PIPE_SPRITE_COORD_UPPER_LEFT,
644   PIPE_SPRITE_COORD_LOWER_LEFT,
645};
646
647/**
648 * Texture & format swizzles
649 */
650enum pipe_swizzle {
651   PIPE_SWIZZLE_X,
652   PIPE_SWIZZLE_Y,
653   PIPE_SWIZZLE_Z,
654   PIPE_SWIZZLE_W,
655   PIPE_SWIZZLE_0,
656   PIPE_SWIZZLE_1,
657   PIPE_SWIZZLE_NONE,
658   PIPE_SWIZZLE_MAX, /**< Number of enums counter (must be last) */
659};
660
661/**
662 * Viewport swizzles
663 */
664enum pipe_viewport_swizzle {
665   PIPE_VIEWPORT_SWIZZLE_POSITIVE_X,
666   PIPE_VIEWPORT_SWIZZLE_NEGATIVE_X,
667   PIPE_VIEWPORT_SWIZZLE_POSITIVE_Y,
668   PIPE_VIEWPORT_SWIZZLE_NEGATIVE_Y,
669   PIPE_VIEWPORT_SWIZZLE_POSITIVE_Z,
670   PIPE_VIEWPORT_SWIZZLE_NEGATIVE_Z,
671   PIPE_VIEWPORT_SWIZZLE_POSITIVE_W,
672   PIPE_VIEWPORT_SWIZZLE_NEGATIVE_W,
673};
674
675#define PIPE_TIMEOUT_INFINITE 0xffffffffffffffffull
676
677
678/**
679 * Device reset status.
680 */
681enum pipe_reset_status
682{
683   PIPE_NO_RESET,
684   PIPE_GUILTY_CONTEXT_RESET,
685   PIPE_INNOCENT_CONTEXT_RESET,
686   PIPE_UNKNOWN_CONTEXT_RESET,
687};
688
689
690/**
691 * Conservative rasterization modes.
692 */
693enum pipe_conservative_raster_mode
694{
695   PIPE_CONSERVATIVE_RASTER_OFF,
696
697   /**
698    * The post-snap mode means the conservative rasterization occurs after
699    * the conversion from floating-point to fixed-point coordinates
700    * on the subpixel grid.
701    */
702   PIPE_CONSERVATIVE_RASTER_POST_SNAP,
703
704   /**
705    * The pre-snap mode means the conservative rasterization occurs before
706    * the conversion from floating-point to fixed-point coordinates.
707    */
708   PIPE_CONSERVATIVE_RASTER_PRE_SNAP,
709};
710
711
712/**
713 * resource_get_handle flags.
714 */
715/* Requires pipe_context::flush_resource before external use. */
716#define PIPE_HANDLE_USAGE_EXPLICIT_FLUSH     (1 << 0)
717/* Expected external use of the resource: */
718#define PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE  (1 << 1)
719#define PIPE_HANDLE_USAGE_SHADER_WRITE       (1 << 2)
720
721/**
722 * pipe_image_view access flags.
723 */
724#define PIPE_IMAGE_ACCESS_READ       (1 << 0)
725#define PIPE_IMAGE_ACCESS_WRITE      (1 << 1)
726#define PIPE_IMAGE_ACCESS_READ_WRITE (PIPE_IMAGE_ACCESS_READ | \
727                                      PIPE_IMAGE_ACCESS_WRITE)
728
729/**
730 * Implementation capabilities/limits which are queried through
731 * pipe_screen::get_param()
732 */
733enum pipe_cap
734{
735   PIPE_CAP_GRAPHICS,
736   PIPE_CAP_NPOT_TEXTURES,
737   PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS,
738   PIPE_CAP_ANISOTROPIC_FILTER,
739   PIPE_CAP_POINT_SPRITE,
740   PIPE_CAP_MAX_RENDER_TARGETS,
741   PIPE_CAP_OCCLUSION_QUERY,
742   PIPE_CAP_QUERY_TIME_ELAPSED,
743   PIPE_CAP_TEXTURE_SHADOW_MAP,
744   PIPE_CAP_TEXTURE_SWIZZLE,
745   PIPE_CAP_MAX_TEXTURE_2D_SIZE,
746   PIPE_CAP_MAX_TEXTURE_3D_LEVELS,
747   PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS,
748   PIPE_CAP_TEXTURE_MIRROR_CLAMP,
749   PIPE_CAP_BLEND_EQUATION_SEPARATE,
750   PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS,
751   PIPE_CAP_PRIMITIVE_RESTART,
752   /** subset of PRIMITIVE_RESTART where the restart index is always the fixed
753    * maximum value for the index type
754    */
755   PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX,
756   /** blend enables and write masks per rendertarget */
757   PIPE_CAP_INDEP_BLEND_ENABLE,
758   /** different blend funcs per rendertarget */
759   PIPE_CAP_INDEP_BLEND_FUNC,
760   PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS,
761   PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT,
762   PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
763   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
764   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
765   PIPE_CAP_DEPTH_CLIP_DISABLE,
766   PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE,
767   PIPE_CAP_DEPTH_CLAMP_ENABLE,
768   PIPE_CAP_SHADER_STENCIL_EXPORT,
769   PIPE_CAP_TGSI_INSTANCEID,
770   PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR,
771   PIPE_CAP_FRAGMENT_COLOR_CLAMPED,
772   PIPE_CAP_MIXED_COLORBUFFER_FORMATS,
773   PIPE_CAP_SEAMLESS_CUBE_MAP,
774   PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE,
775   PIPE_CAP_MIN_TEXEL_OFFSET,
776   PIPE_CAP_MAX_TEXEL_OFFSET,
777   PIPE_CAP_CONDITIONAL_RENDER,
778   PIPE_CAP_TEXTURE_BARRIER,
779   PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS,
780   PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS,
781   PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME,
782   PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS,
783   PIPE_CAP_VERTEX_COLOR_UNCLAMPED,
784   PIPE_CAP_VERTEX_COLOR_CLAMPED,
785   PIPE_CAP_GLSL_FEATURE_LEVEL,
786   PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY,
787   PIPE_CAP_ESSL_FEATURE_LEVEL,
788   PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION,
789   PIPE_CAP_USER_VERTEX_BUFFERS,
790   PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY,
791   PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY,
792   PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY,
793   PIPE_CAP_COMPUTE,
794   PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT,
795   PIPE_CAP_START_INSTANCE,
796   PIPE_CAP_QUERY_TIMESTAMP,
797   PIPE_CAP_TEXTURE_MULTISAMPLE,
798   PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT,
799   PIPE_CAP_CUBE_MAP_ARRAY,
800   PIPE_CAP_TEXTURE_BUFFER_OBJECTS,
801   PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT,
802   PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY,
803   PIPE_CAP_TGSI_TEXCOORD,
804   PIPE_CAP_TEXTURE_BUFFER_SAMPLER,
805   PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER,
806   PIPE_CAP_QUERY_PIPELINE_STATISTICS,
807   PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK,
808   PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE,
809   PIPE_CAP_MAX_VIEWPORTS,
810   PIPE_CAP_ENDIANNESS,
811   PIPE_CAP_MIXED_FRAMEBUFFER_SIZES,
812   PIPE_CAP_TGSI_VS_LAYER_VIEWPORT,
813   PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES,
814   PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS,
815   PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS,
816   PIPE_CAP_TEXTURE_GATHER_SM5,
817   PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT,
818   PIPE_CAP_FAKE_SW_MSAA,
819   PIPE_CAP_TEXTURE_QUERY_LOD,
820   PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET,
821   PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET,
822   PIPE_CAP_SAMPLE_SHADING,
823   PIPE_CAP_TEXTURE_GATHER_OFFSETS,
824   PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION,
825   PIPE_CAP_MAX_VERTEX_STREAMS,
826   PIPE_CAP_DRAW_INDIRECT,
827   PIPE_CAP_TGSI_FS_FINE_DERIVATIVE,
828   PIPE_CAP_VENDOR_ID,
829   PIPE_CAP_DEVICE_ID,
830   PIPE_CAP_ACCELERATED,
831   PIPE_CAP_VIDEO_MEMORY,
832   PIPE_CAP_UMA,
833   PIPE_CAP_CONDITIONAL_RENDER_INVERTED,
834   PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE,
835   PIPE_CAP_SAMPLER_VIEW_TARGET,
836   PIPE_CAP_CLIP_HALFZ,
837   PIPE_CAP_VERTEXID_NOBASE,
838   PIPE_CAP_POLYGON_OFFSET_CLAMP,
839   PIPE_CAP_MULTISAMPLE_Z_RESOLVE,
840   PIPE_CAP_RESOURCE_FROM_USER_MEMORY,
841   PIPE_CAP_RESOURCE_FROM_USER_MEMORY_COMPUTE_ONLY,
842   PIPE_CAP_DEVICE_RESET_STATUS_QUERY,
843   PIPE_CAP_MAX_SHADER_PATCH_VARYINGS,
844   PIPE_CAP_TEXTURE_FLOAT_LINEAR,
845   PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR,
846   PIPE_CAP_DEPTH_BOUNDS_TEST,
847   PIPE_CAP_TGSI_TXQS,
848   PIPE_CAP_FORCE_PERSAMPLE_INTERP,
849   PIPE_CAP_SHAREABLE_SHADERS,
850   PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS,
851   PIPE_CAP_CLEAR_TEXTURE,
852   PIPE_CAP_CLEAR_SCISSORED,
853   PIPE_CAP_DRAW_PARAMETERS,
854   PIPE_CAP_TGSI_PACK_HALF_FLOAT,
855   PIPE_CAP_MULTI_DRAW_INDIRECT,
856   PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS,
857   PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL,
858   PIPE_CAP_TGSI_FS_POINT_IS_SYSVAL,
859   PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL,
860   PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT,
861   PIPE_CAP_INVALIDATE_BUFFER,
862   PIPE_CAP_GENERATE_MIPMAP,
863   PIPE_CAP_STRING_MARKER,
864   PIPE_CAP_SURFACE_REINTERPRET_BLOCKS,
865   PIPE_CAP_QUERY_BUFFER_OBJECT,
866   PIPE_CAP_QUERY_MEMORY_INFO,
867   PIPE_CAP_PCI_GROUP,
868   PIPE_CAP_PCI_BUS,
869   PIPE_CAP_PCI_DEVICE,
870   PIPE_CAP_PCI_FUNCTION,
871   PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT,
872   PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR,
873   PIPE_CAP_CULL_DISTANCE,
874   PIPE_CAP_TGSI_VOTE,
875   PIPE_CAP_MAX_WINDOW_RECTANGLES,
876   PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED,
877   PIPE_CAP_VIEWPORT_SUBPIXEL_BITS,
878   PIPE_CAP_RASTERIZER_SUBPIXEL_BITS,
879   PIPE_CAP_MIXED_COLOR_DEPTH_BITS,
880   PIPE_CAP_TGSI_ARRAY_COMPONENTS,
881   PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS,
882   PIPE_CAP_TGSI_CAN_READ_OUTPUTS,
883   PIPE_CAP_NATIVE_FENCE_FD,
884   PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY,
885   PIPE_CAP_GLSL_TESS_LEVELS_AS_INPUTS,
886   PIPE_CAP_FBFETCH,
887   PIPE_CAP_TGSI_MUL_ZERO_WINS,
888   PIPE_CAP_DOUBLES,
889   PIPE_CAP_INT64,
890   PIPE_CAP_INT64_DIVMOD,
891   PIPE_CAP_TGSI_TEX_TXF_LZ,
892   PIPE_CAP_TGSI_CLOCK,
893   PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE,
894   PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE,
895   PIPE_CAP_TGSI_BALLOT,
896   PIPE_CAP_TGSI_TES_LAYER_VIEWPORT,
897   PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX,
898   PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION,
899   PIPE_CAP_POST_DEPTH_COVERAGE,
900   PIPE_CAP_BINDLESS_TEXTURE,
901   PIPE_CAP_NIR_SAMPLERS_AS_DEREF,
902   PIPE_CAP_QUERY_SO_OVERFLOW,
903   PIPE_CAP_MEMOBJ,
904   PIPE_CAP_LOAD_CONSTBUF,
905   PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS,
906   PIPE_CAP_TILE_RASTER_ORDER,
907   PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES,
908   PIPE_CAP_FRAMEBUFFER_MSAA_CONSTRAINTS,
909   PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET,
910   PIPE_CAP_CONTEXT_PRIORITY_MASK,
911   PIPE_CAP_FENCE_SIGNAL,
912   PIPE_CAP_CONSTBUF0_FLAGS,
913   PIPE_CAP_PACKED_UNIFORMS,
914   PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES,
915   PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES,
916   PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES,
917   PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES,
918   PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS,
919   PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE,
920   PIPE_CAP_CONSERVATIVE_RASTER_INNER_COVERAGE,
921   PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS,
922   PIPE_CAP_MAX_GS_INVOCATIONS,
923   PIPE_CAP_MAX_SHADER_BUFFER_SIZE,
924   PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE,
925   PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS,
926   PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTERS,
927   PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTER_BUFFERS,
928   PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET,
929   PIPE_CAP_MAX_VERTEX_ELEMENT_SRC_OFFSET,
930   PIPE_CAP_SURFACE_SAMPLE_COUNT,
931   PIPE_CAP_TGSI_ATOMFADD,
932   PIPE_CAP_QUERY_PIPELINE_STATISTICS_SINGLE,
933   PIPE_CAP_RGB_OVERRIDE_DST_ALPHA_BLEND,
934   PIPE_CAP_DEST_SURFACE_SRGB_CONTROL,
935   PIPE_CAP_NIR_COMPACT_ARRAYS,
936   PIPE_CAP_MAX_VARYINGS,
937   PIPE_CAP_COMPUTE_GRID_INFO_LAST_BLOCK,
938   PIPE_CAP_COMPUTE_SHADER_DERIVATIVES,
939   PIPE_CAP_TGSI_SKIP_SHRINK_IO_ARRAYS,
940   PIPE_CAP_IMAGE_LOAD_FORMATTED,
941   PIPE_CAP_THROTTLE,
942   PIPE_CAP_DMABUF,
943   PIPE_CAP_PREFER_COMPUTE_FOR_MULTIMEDIA,
944   PIPE_CAP_FRAGMENT_SHADER_INTERLOCK,
945   PIPE_CAP_FBFETCH_COHERENT,
946   PIPE_CAP_CS_DERIVED_SYSTEM_VALUES_SUPPORTED,
947   PIPE_CAP_ATOMIC_FLOAT_MINMAX,
948   PIPE_CAP_TGSI_DIV,
949   PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD,
950   PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES,
951   PIPE_CAP_VERTEX_SHADER_SATURATE,
952   PIPE_CAP_TEXTURE_SHADOW_LOD,
953   PIPE_CAP_SHADER_SAMPLES_IDENTICAL,
954   PIPE_CAP_TGSI_ATOMINC_WRAP,
955   PIPE_CAP_PREFER_IMM_ARRAYS_AS_CONSTBUF,
956   PIPE_CAP_GL_SPIRV,
957   PIPE_CAP_GL_SPIRV_VARIABLE_POINTERS,
958   PIPE_CAP_DEMOTE_TO_HELPER_INVOCATION,
959   PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE,
960   PIPE_CAP_FLATSHADE,
961   PIPE_CAP_ALPHA_TEST,
962   PIPE_CAP_POINT_SIZE_FIXED,
963   PIPE_CAP_TWO_SIDED_COLOR,
964   PIPE_CAP_CLIP_PLANES,
965   PIPE_CAP_MAX_VERTEX_BUFFERS,
966   PIPE_CAP_OPENCL_INTEGER_FUNCTIONS,
967   PIPE_CAP_INTEGER_MULTIPLY_32X16,
968   /* Turn draw, dispatch, blit into NOOP */
969   PIPE_CAP_FRONTEND_NOOP,
970   PIPE_CAP_NIR_IMAGES_AS_DEREF,
971   PIPE_CAP_PACKED_STREAM_OUTPUT,
972   PIPE_CAP_VIEWPORT_TRANSFORM_LOWERED,
973   PIPE_CAP_PSIZ_CLAMPED,
974   PIPE_CAP_GL_BEGIN_END_BUFFER_SIZE,
975   PIPE_CAP_VIEWPORT_SWIZZLE,
976   PIPE_CAP_SYSTEM_SVM,
977   PIPE_CAP_VIEWPORT_MASK,
978   PIPE_CAP_ALPHA_TO_COVERAGE_DITHER_CONTROL,
979   PIPE_CAP_MAP_UNSYNCHRONIZED_THREAD_SAFE,
980   PIPE_CAP_GLSL_ZERO_INIT,
981   PIPE_CAP_BLEND_EQUATION_ADVANCED,
982   PIPE_CAP_NIR_ATOMICS_AS_DEREF,
983   PIPE_CAP_NO_CLIP_ON_COPY_TEX,
984   PIPE_CAP_MAX_TEXTURE_MB,
985   PIPE_CAP_SHADER_ATOMIC_INT64,
986   PIPE_CAP_DEVICE_PROTECTED_CONTENT,
987   PIPE_CAP_PREFER_REAL_BUFFER_IN_CONSTBUF0,
988   PIPE_CAP_GL_CLAMP,
989   PIPE_CAP_TEXRECT,
990   PIPE_CAP_SAMPLER_REDUCTION_MINMAX,
991   PIPE_CAP_SAMPLER_REDUCTION_MINMAX_ARB,
992   PIPE_CAP_ALLOW_DYNAMIC_VAO_FASTPATH,
993   PIPE_CAP_EMULATE_NONFIXED_PRIMITIVE_RESTART,
994   PIPE_CAP_SUPPORTED_PRIM_MODES,
995   PIPE_CAP_SUPPORTED_PRIM_MODES_WITH_RESTART,
996   PIPE_CAP_PREFER_BACK_BUFFER_REUSE,
997   PIPE_CAP_DRAW_VERTEX_STATE,
998
999   PIPE_CAP_LAST,
1000   /* XXX do not add caps after PIPE_CAP_LAST! */
1001};
1002
1003/**
1004 * Possible bits for PIPE_CAP_CONTEXT_PRIORITY_MASK param, which should
1005 * return a bitmask of the supported priorities.  If the driver does not
1006 * support prioritized contexts, it can return 0.
1007 *
1008 * Note that these match __DRI2_RENDERER_HAS_CONTEXT_PRIORITY_*
1009 */
1010#define PIPE_CONTEXT_PRIORITY_LOW     (1 << 0)
1011#define PIPE_CONTEXT_PRIORITY_MEDIUM  (1 << 1)
1012#define PIPE_CONTEXT_PRIORITY_HIGH    (1 << 2)
1013
1014#define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
1015#define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600 (1 << 1)
1016
1017enum pipe_endian
1018{
1019   PIPE_ENDIAN_LITTLE = 0,
1020   PIPE_ENDIAN_BIG = 1,
1021#if UTIL_ARCH_LITTLE_ENDIAN
1022   PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_LITTLE
1023#elif UTIL_ARCH_BIG_ENDIAN
1024   PIPE_ENDIAN_NATIVE = PIPE_ENDIAN_BIG
1025#endif
1026};
1027
1028/**
1029 * Implementation limits which are queried through
1030 * pipe_screen::get_paramf()
1031 */
1032enum pipe_capf
1033{
1034   PIPE_CAPF_MAX_LINE_WIDTH,
1035   PIPE_CAPF_MAX_LINE_WIDTH_AA,
1036   PIPE_CAPF_MAX_POINT_WIDTH,
1037   PIPE_CAPF_MAX_POINT_WIDTH_AA,
1038   PIPE_CAPF_MAX_TEXTURE_ANISOTROPY,
1039   PIPE_CAPF_MAX_TEXTURE_LOD_BIAS,
1040   PIPE_CAPF_MIN_CONSERVATIVE_RASTER_DILATE,
1041   PIPE_CAPF_MAX_CONSERVATIVE_RASTER_DILATE,
1042   PIPE_CAPF_CONSERVATIVE_RASTER_DILATE_GRANULARITY,
1043};
1044
1045/** Shader caps not specific to any single stage */
1046enum pipe_shader_cap
1047{
1048   PIPE_SHADER_CAP_MAX_INSTRUCTIONS, /* if 0, it means the stage is unsupported */
1049   PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS,
1050   PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS,
1051   PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS,
1052   PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH,
1053   PIPE_SHADER_CAP_MAX_INPUTS,
1054   PIPE_SHADER_CAP_MAX_OUTPUTS,
1055   PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE,
1056   PIPE_SHADER_CAP_MAX_CONST_BUFFERS,
1057   PIPE_SHADER_CAP_MAX_TEMPS,
1058   /* boolean caps */
1059   PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED,
1060   PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR,
1061   PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR,
1062   PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR,
1063   PIPE_SHADER_CAP_INDIRECT_CONST_ADDR,
1064   PIPE_SHADER_CAP_SUBROUTINES, /* BGNSUB, ENDSUB, CAL, RET */
1065   PIPE_SHADER_CAP_INTEGERS,
1066   PIPE_SHADER_CAP_INT64_ATOMICS,
1067   PIPE_SHADER_CAP_FP16,
1068   PIPE_SHADER_CAP_FP16_DERIVATIVES,
1069   PIPE_SHADER_CAP_FP16_CONST_BUFFERS,
1070   PIPE_SHADER_CAP_INT16,
1071   PIPE_SHADER_CAP_GLSL_16BIT_CONSTS,
1072   PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS,
1073   PIPE_SHADER_CAP_PREFERRED_IR,
1074   PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED,
1075   PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS,
1076   PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED, /* all rounding modes */
1077   PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED,
1078   PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED,
1079   PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE,
1080   PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT,
1081   PIPE_SHADER_CAP_MAX_SHADER_BUFFERS,
1082   PIPE_SHADER_CAP_SUPPORTED_IRS,
1083   PIPE_SHADER_CAP_MAX_SHADER_IMAGES,
1084   PIPE_SHADER_CAP_LOWER_IF_THRESHOLD,
1085   PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS,
1086   PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED,
1087   PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS,
1088   PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS,
1089};
1090
1091/**
1092 * Shader intermediate representation.
1093 *
1094 * Note that if the driver requests something other than TGSI, it must
1095 * always be prepared to receive TGSI in addition to its preferred IR.
1096 * If the driver requests TGSI as its preferred IR, it will *always*
1097 * get TGSI.
1098 *
1099 * Note that PIPE_SHADER_IR_TGSI should be zero for backwards compat with
1100 * gallium frontends that only understand TGSI.
1101 */
1102enum pipe_shader_ir
1103{
1104   PIPE_SHADER_IR_TGSI = 0,
1105   PIPE_SHADER_IR_NATIVE,
1106   PIPE_SHADER_IR_NIR,
1107   PIPE_SHADER_IR_NIR_SERIALIZED,
1108};
1109
1110/**
1111 * Compute-specific implementation capability.  They can be queried
1112 * using pipe_screen::get_compute_param.
1113 */
1114enum pipe_compute_cap
1115{
1116   PIPE_COMPUTE_CAP_ADDRESS_BITS,
1117   PIPE_COMPUTE_CAP_IR_TARGET,
1118   PIPE_COMPUTE_CAP_GRID_DIMENSION,
1119   PIPE_COMPUTE_CAP_MAX_GRID_SIZE,
1120   PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE,
1121   PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK,
1122   PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE,
1123   PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE,
1124   PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE,
1125   PIPE_COMPUTE_CAP_MAX_INPUT_SIZE,
1126   PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
1127   PIPE_COMPUTE_CAP_MAX_CLOCK_FREQUENCY,
1128   PIPE_COMPUTE_CAP_MAX_COMPUTE_UNITS,
1129   PIPE_COMPUTE_CAP_IMAGES_SUPPORTED,
1130   PIPE_COMPUTE_CAP_SUBGROUP_SIZE,
1131   PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK,
1132};
1133
1134/**
1135 * Resource parameters. They can be queried using
1136 * pipe_screen::get_resource_param.
1137 */
1138enum pipe_resource_param
1139{
1140   PIPE_RESOURCE_PARAM_NPLANES,
1141   PIPE_RESOURCE_PARAM_STRIDE,
1142   PIPE_RESOURCE_PARAM_OFFSET,
1143   PIPE_RESOURCE_PARAM_MODIFIER,
1144   PIPE_RESOURCE_PARAM_HANDLE_TYPE_SHARED,
1145   PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS,
1146   PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD,
1147   PIPE_RESOURCE_PARAM_LAYER_STRIDE,
1148};
1149
1150/**
1151 * Types of parameters for pipe_context::set_context_param.
1152 */
1153enum pipe_context_param
1154{
1155   /* A hint for the driver that it should pin its execution threads to
1156    * a group of cores sharing a specific L3 cache if the CPU has multiple
1157    * L3 caches. This is needed for good multithreading performance on
1158    * AMD Zen CPUs. "value" is the L3 cache index. Drivers that don't have
1159    * any internal threads or don't run on affected CPUs can ignore this.
1160    */
1161   PIPE_CONTEXT_PARAM_PIN_THREADS_TO_L3_CACHE,
1162};
1163
1164/**
1165 * Composite query types
1166 */
1167
1168/**
1169 * Query result for PIPE_QUERY_SO_STATISTICS.
1170 */
1171struct pipe_query_data_so_statistics
1172{
1173   uint64_t num_primitives_written;
1174   uint64_t primitives_storage_needed;
1175};
1176
1177/**
1178 * Query result for PIPE_QUERY_TIMESTAMP_DISJOINT.
1179 */
1180struct pipe_query_data_timestamp_disjoint
1181{
1182   uint64_t frequency;
1183   bool     disjoint;
1184};
1185
1186/**
1187 * Query result for PIPE_QUERY_PIPELINE_STATISTICS.
1188 */
1189struct pipe_query_data_pipeline_statistics
1190{
1191   uint64_t ia_vertices;    /**< Num vertices read by the vertex fetcher. */
1192   uint64_t ia_primitives;  /**< Num primitives read by the vertex fetcher. */
1193   uint64_t vs_invocations; /**< Num vertex shader invocations. */
1194   uint64_t gs_invocations; /**< Num geometry shader invocations. */
1195   uint64_t gs_primitives;  /**< Num primitives output by a geometry shader. */
1196   uint64_t c_invocations;  /**< Num primitives sent to the rasterizer. */
1197   uint64_t c_primitives;   /**< Num primitives that were rendered. */
1198   uint64_t ps_invocations; /**< Num pixel shader invocations. */
1199   uint64_t hs_invocations; /**< Num hull shader invocations. */
1200   uint64_t ds_invocations; /**< Num domain shader invocations. */
1201   uint64_t cs_invocations; /**< Num compute shader invocations. */
1202};
1203
1204/**
1205 * For batch queries.
1206 */
1207union pipe_numeric_type_union
1208{
1209   uint64_t u64;
1210   uint32_t u32;
1211   float f;
1212};
1213
1214/**
1215 * Query result (returned by pipe_context::get_query_result).
1216 */
1217union pipe_query_result
1218{
1219   /* PIPE_QUERY_OCCLUSION_PREDICATE */
1220   /* PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE */
1221   /* PIPE_QUERY_SO_OVERFLOW_PREDICATE */
1222   /* PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE */
1223   /* PIPE_QUERY_GPU_FINISHED */
1224   bool b;
1225
1226   /* PIPE_QUERY_OCCLUSION_COUNTER */
1227   /* PIPE_QUERY_TIMESTAMP */
1228   /* PIPE_QUERY_TIME_ELAPSED */
1229   /* PIPE_QUERY_PRIMITIVES_GENERATED */
1230   /* PIPE_QUERY_PRIMITIVES_EMITTED */
1231   /* PIPE_DRIVER_QUERY_TYPE_UINT64 */
1232   /* PIPE_DRIVER_QUERY_TYPE_BYTES */
1233   /* PIPE_DRIVER_QUERY_TYPE_MICROSECONDS */
1234   /* PIPE_DRIVER_QUERY_TYPE_HZ */
1235   uint64_t u64;
1236
1237   /* PIPE_DRIVER_QUERY_TYPE_UINT */
1238   uint32_t u32;
1239
1240   /* PIPE_DRIVER_QUERY_TYPE_FLOAT */
1241   /* PIPE_DRIVER_QUERY_TYPE_PERCENTAGE */
1242   float f;
1243
1244   /* PIPE_QUERY_SO_STATISTICS */
1245   struct pipe_query_data_so_statistics so_statistics;
1246
1247   /* PIPE_QUERY_TIMESTAMP_DISJOINT */
1248   struct pipe_query_data_timestamp_disjoint timestamp_disjoint;
1249
1250   /* PIPE_QUERY_PIPELINE_STATISTICS */
1251   struct pipe_query_data_pipeline_statistics pipeline_statistics;
1252
1253   /* batch queries (variable length) */
1254   union pipe_numeric_type_union batch[1];
1255};
1256
1257enum pipe_query_value_type
1258{
1259   PIPE_QUERY_TYPE_I32,
1260   PIPE_QUERY_TYPE_U32,
1261   PIPE_QUERY_TYPE_I64,
1262   PIPE_QUERY_TYPE_U64,
1263};
1264
1265union pipe_color_union
1266{
1267   float f[4];
1268   int i[4];
1269   unsigned int ui[4];
1270};
1271
1272enum pipe_driver_query_type
1273{
1274   PIPE_DRIVER_QUERY_TYPE_UINT64,
1275   PIPE_DRIVER_QUERY_TYPE_UINT,
1276   PIPE_DRIVER_QUERY_TYPE_FLOAT,
1277   PIPE_DRIVER_QUERY_TYPE_PERCENTAGE,
1278   PIPE_DRIVER_QUERY_TYPE_BYTES,
1279   PIPE_DRIVER_QUERY_TYPE_MICROSECONDS,
1280   PIPE_DRIVER_QUERY_TYPE_HZ,
1281   PIPE_DRIVER_QUERY_TYPE_DBM,
1282   PIPE_DRIVER_QUERY_TYPE_TEMPERATURE,
1283   PIPE_DRIVER_QUERY_TYPE_VOLTS,
1284   PIPE_DRIVER_QUERY_TYPE_AMPS,
1285   PIPE_DRIVER_QUERY_TYPE_WATTS,
1286};
1287
1288/* Whether an average value per frame or a cumulative value should be
1289 * displayed.
1290 */
1291enum pipe_driver_query_result_type
1292{
1293   PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE,
1294   PIPE_DRIVER_QUERY_RESULT_TYPE_CUMULATIVE,
1295};
1296
1297/**
1298 * Some hardware requires some hardware-specific queries to be submitted
1299 * as batched queries. The corresponding query objects are created using
1300 * create_batch_query, and at most one such query may be active at
1301 * any time.
1302 */
1303#define PIPE_DRIVER_QUERY_FLAG_BATCH     (1 << 0)
1304
1305/* Do not list this query in the HUD. */
1306#define PIPE_DRIVER_QUERY_FLAG_DONT_LIST (1 << 1)
1307
1308struct pipe_driver_query_info
1309{
1310   const char *name;
1311   unsigned query_type; /* PIPE_QUERY_DRIVER_SPECIFIC + i */
1312   union pipe_numeric_type_union max_value; /* max value that can be returned */
1313   enum pipe_driver_query_type type;
1314   enum pipe_driver_query_result_type result_type;
1315   unsigned group_id;
1316   unsigned flags;
1317};
1318
1319struct pipe_driver_query_group_info
1320{
1321   const char *name;
1322   unsigned max_active_queries;
1323   unsigned num_queries;
1324};
1325
1326enum pipe_fd_type
1327{
1328   PIPE_FD_TYPE_NATIVE_SYNC,
1329   PIPE_FD_TYPE_SYNCOBJ,
1330};
1331
1332/**
1333 * counter type and counter data type enums used by INTEL_performance_query
1334 * APIs in gallium drivers.
1335 */
1336enum pipe_perf_counter_type
1337{
1338   PIPE_PERF_COUNTER_TYPE_EVENT,
1339   PIPE_PERF_COUNTER_TYPE_DURATION_NORM,
1340   PIPE_PERF_COUNTER_TYPE_DURATION_RAW,
1341   PIPE_PERF_COUNTER_TYPE_THROUGHPUT,
1342   PIPE_PERF_COUNTER_TYPE_RAW,
1343   PIPE_PERF_COUNTER_TYPE_TIMESTAMP,
1344};
1345
1346enum pipe_perf_counter_data_type
1347{
1348   PIPE_PERF_COUNTER_DATA_TYPE_BOOL32,
1349   PIPE_PERF_COUNTER_DATA_TYPE_UINT32,
1350   PIPE_PERF_COUNTER_DATA_TYPE_UINT64,
1351   PIPE_PERF_COUNTER_DATA_TYPE_FLOAT,
1352   PIPE_PERF_COUNTER_DATA_TYPE_DOUBLE,
1353};
1354
1355#define PIPE_UUID_SIZE 16
1356
1357#ifdef PIPE_OS_UNIX
1358#define PIPE_MEMORY_FD
1359#endif
1360
1361#ifdef __cplusplus
1362}
1363#endif
1364
1365#endif
1366