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,
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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
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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
34 extern "C" {
35 #endif
36 
37 /**
38  * Gallium error codes.
39  *
40  * - A zero value always means success.
41  * - A negative value always means failure.
42  * - The meaning of a positive value is function dependent.
43  */
44 enum pipe_error
45 {
46    PIPE_OK = 0,
47    PIPE_ERROR = -1,    /**< Generic error */
48    PIPE_ERROR_BAD_INPUT = -2,
49    PIPE_ERROR_OUT_OF_MEMORY = -3,
50    PIPE_ERROR_RETRY = -4
51    /* TODO */
52 };
53 
54 enum pipe_blendfactor {
55    PIPE_BLENDFACTOR_ONE = 1,
56    PIPE_BLENDFACTOR_SRC_COLOR,
57    PIPE_BLENDFACTOR_SRC_ALPHA,
58    PIPE_BLENDFACTOR_DST_ALPHA,
59    PIPE_BLENDFACTOR_DST_COLOR,
60    PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE,
61    PIPE_BLENDFACTOR_CONST_COLOR,
62    PIPE_BLENDFACTOR_CONST_ALPHA,
63    PIPE_BLENDFACTOR_SRC1_COLOR,
64    PIPE_BLENDFACTOR_SRC1_ALPHA,
65 
66    PIPE_BLENDFACTOR_ZERO = 0x11,
67    PIPE_BLENDFACTOR_INV_SRC_COLOR,
68    PIPE_BLENDFACTOR_INV_SRC_ALPHA,
69    PIPE_BLENDFACTOR_INV_DST_ALPHA,
70    PIPE_BLENDFACTOR_INV_DST_COLOR,
71 
72    PIPE_BLENDFACTOR_INV_CONST_COLOR = 0x17,
73    PIPE_BLENDFACTOR_INV_CONST_ALPHA,
74    PIPE_BLENDFACTOR_INV_SRC1_COLOR,
75    PIPE_BLENDFACTOR_INV_SRC1_ALPHA,
76 };
77 
78 enum pipe_blend_func {
79    PIPE_BLEND_ADD,
80    PIPE_BLEND_SUBTRACT,
81    PIPE_BLEND_REVERSE_SUBTRACT,
82    PIPE_BLEND_MIN,
83    PIPE_BLEND_MAX,
84 };
85 
86 enum pipe_logicop {
87    PIPE_LOGICOP_CLEAR,
88    PIPE_LOGICOP_NOR,
89    PIPE_LOGICOP_AND_INVERTED,
90    PIPE_LOGICOP_COPY_INVERTED,
91    PIPE_LOGICOP_AND_REVERSE,
92    PIPE_LOGICOP_INVERT,
93    PIPE_LOGICOP_XOR,
94    PIPE_LOGICOP_NAND,
95    PIPE_LOGICOP_AND,
96    PIPE_LOGICOP_EQUIV,
97    PIPE_LOGICOP_NOOP,
98    PIPE_LOGICOP_OR_INVERTED,
99    PIPE_LOGICOP_COPY,
100    PIPE_LOGICOP_OR_REVERSE,
101    PIPE_LOGICOP_OR,
102    PIPE_LOGICOP_SET,
103 };
104 
105 #define PIPE_MASK_R  0x1
106 #define PIPE_MASK_G  0x2
107 #define PIPE_MASK_B  0x4
108 #define PIPE_MASK_A  0x8
109 #define PIPE_MASK_RGBA 0xf
110 #define PIPE_MASK_Z  0x10
111 #define PIPE_MASK_S  0x20
112 #define PIPE_MASK_ZS 0x30
113 #define PIPE_MASK_RGBAZS (PIPE_MASK_RGBA|PIPE_MASK_ZS)
114 
115 
116 /**
117  * Inequality functions.  Used for depth test, stencil compare, alpha
118  * test, shadow compare, etc.
119  */
120 enum pipe_compare_func {
121    PIPE_FUNC_NEVER,
122    PIPE_FUNC_LESS,
123    PIPE_FUNC_EQUAL,
124    PIPE_FUNC_LEQUAL,
125    PIPE_FUNC_GREATER,
126    PIPE_FUNC_NOTEQUAL,
127    PIPE_FUNC_GEQUAL,
128    PIPE_FUNC_ALWAYS,
129 };
130 
131 /** Polygon fill mode */
132 enum {
133    PIPE_POLYGON_MODE_FILL,
134    PIPE_POLYGON_MODE_LINE,
135    PIPE_POLYGON_MODE_POINT,
136    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 */
146 enum 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  */
160 enum 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 
174 enum 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 
184 enum 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 */
196 enum 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 */
203 enum pipe_tex_filter {
204    PIPE_TEX_FILTER_NEAREST,
205    PIPE_TEX_FILTER_LINEAR,
206 };
207 
208 enum pipe_tex_compare {
209    PIPE_TEX_COMPARE_NONE,
210    PIPE_TEX_COMPARE_R_TO_TEXTURE,
211 };
212 
213 enum 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  */
243 enum 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  */
386 enum 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  */
537 enum 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  */
548 enum 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  */
561 enum 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  */
583 enum 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  */
592 enum 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  */
615 enum 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  */
632 enum 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  */
642 enum pipe_sprite_coord_mode {
643    PIPE_SPRITE_COORD_UPPER_LEFT,
644    PIPE_SPRITE_COORD_LOWER_LEFT,
645 };
646 
647 /**
648  * Texture & format swizzles
649  */
650 enum 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  */
664 enum 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  */
681 enum 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  */
693 enum 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  */
733 enum 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 
1017 enum 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  */
1032 enum 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 */
1046 enum 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  */
1102 enum 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  */
1114 enum 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  */
1138 enum 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  */
1153 enum 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  */
1171 struct 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  */
1180 struct 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  */
1189 struct 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  */
1207 union 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  */
1217 union 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 
1257 enum 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 
1265 union pipe_color_union
1266 {
1267    float f[4];
1268    int i[4];
1269    unsigned int ui[4];
1270 };
1271 
1272 enum 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  */
1291 enum 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 
1308 struct 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 
1319 struct pipe_driver_query_group_info
1320 {
1321    const char *name;
1322    unsigned max_active_queries;
1323    unsigned num_queries;
1324 };
1325 
1326 enum 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  */
1336 enum 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 
1346 enum 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