1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
28 #ifndef PIPE_CONTEXT_H
29 #define PIPE_CONTEXT_H
31 #include "p_compiler.h"
33 #include "p_video_enums.h"
34 #include "p_defines.h"
42 struct pipe_blend_color
;
43 struct pipe_blend_state
;
44 struct pipe_blit_info
;
46 struct pipe_clip_state
;
47 struct pipe_constant_buffer
;
48 struct pipe_debug_callback
;
49 struct pipe_depth_stencil_alpha_state
;
50 struct pipe_device_reset_callback
;
51 struct pipe_draw_info
;
52 struct pipe_grid_info
;
53 struct pipe_fence_handle
;
54 struct pipe_framebuffer_state
;
55 struct pipe_image_view
;
57 struct pipe_poly_stipple
;
58 struct pipe_rasterizer_state
;
59 struct pipe_resolve_info
;
61 struct pipe_sampler_state
;
62 struct pipe_sampler_view
;
63 struct pipe_scissor_state
;
64 struct pipe_shader_buffer
;
65 struct pipe_shader_state
;
66 struct pipe_stencil_ref
;
67 struct pipe_stream_output_target
;
70 struct pipe_vertex_buffer
;
71 struct pipe_vertex_element
;
72 struct pipe_video_buffer
;
73 struct pipe_video_codec
;
74 struct pipe_viewport_state
;
75 struct pipe_compute_state
;
76 union pipe_color_union
;
77 union pipe_query_result
;
82 * Gallium rendering context. Basically:
83 * - state setting functions
84 * - VBO drawing functions
88 struct pipe_screen
*screen
;
90 void *priv
; /**< context private data (for DRI for example) */
91 void *draw
; /**< private, for draw module (temporary?) */
94 * Stream uploaders created by the driver. All drivers, state trackers, and
95 * modules should use them.
97 * Use u_upload_alloc or u_upload_data as many times as you want.
98 * Once you are done, use u_upload_unmap.
100 struct u_upload_mgr
*stream_uploader
; /* everything but shader constants */
101 struct u_upload_mgr
*const_uploader
; /* shader constants only */
103 void (*destroy
)( struct pipe_context
* );
109 void (*draw_vbo
)( struct pipe_context
*pipe
,
110 const struct pipe_draw_info
*info
);
114 * Predicate subsequent rendering on occlusion query result
115 * \param query the query predicate, or NULL if no predicate
116 * \param condition whether to skip on FALSE or TRUE query results
117 * \param mode one of PIPE_RENDER_COND_x
119 void (*render_condition
)( struct pipe_context
*pipe
,
120 struct pipe_query
*query
,
122 enum pipe_render_cond_flag mode
);
128 struct pipe_query
*(*create_query
)( struct pipe_context
*pipe
,
133 * Create a query object that queries all given query types simultaneously.
135 * This can only be used for those query types for which
136 * get_driver_query_info indicates that it must be used. Only one batch
137 * query object may be active at a time.
139 * There may be additional constraints on which query types can be used
140 * together, in particular those that are implied by
141 * get_driver_query_group_info.
143 * \param num_queries the number of query types
144 * \param query_types array of \p num_queries query types
145 * \return a query object, or NULL on error.
147 struct pipe_query
*(*create_batch_query
)( struct pipe_context
*pipe
,
148 unsigned num_queries
,
149 unsigned *query_types
);
151 void (*destroy_query
)(struct pipe_context
*pipe
,
152 struct pipe_query
*q
);
154 boolean (*begin_query
)(struct pipe_context
*pipe
, struct pipe_query
*q
);
155 bool (*end_query
)(struct pipe_context
*pipe
, struct pipe_query
*q
);
158 * Get results of a query.
159 * \param wait if true, this query will block until the result is ready
160 * \return TRUE if results are ready, FALSE otherwise
162 boolean (*get_query_result
)(struct pipe_context
*pipe
,
163 struct pipe_query
*q
,
165 union pipe_query_result
*result
);
168 * Get results of a query, storing into resource. Note that this may not
169 * be used with batch queries.
171 * \param wait if true, this query will block until the result is ready
172 * \param result_type the type of the value being stored:
173 * \param index for queries that return multiple pieces of data, which
174 * item of that data to store (e.g. for
175 * PIPE_QUERY_PIPELINE_STATISTICS).
176 * When the index is -1, instead of the value of the query
177 * the driver should instead write a 1 or 0 to the appropriate
178 * location with 1 meaning that the query result is available.
180 void (*get_query_result_resource
)(struct pipe_context
*pipe
,
181 struct pipe_query
*q
,
183 enum pipe_query_value_type result_type
,
185 struct pipe_resource
*resource
,
189 * Set whether all current non-driver queries except TIME_ELAPSED are
192 void (*set_active_query_state
)(struct pipe_context
*pipe
, boolean enable
);
197 * State functions (create/bind/destroy state objects)
200 void * (*create_blend_state
)(struct pipe_context
*,
201 const struct pipe_blend_state
*);
202 void (*bind_blend_state
)(struct pipe_context
*, void *);
203 void (*delete_blend_state
)(struct pipe_context
*, void *);
205 void * (*create_sampler_state
)(struct pipe_context
*,
206 const struct pipe_sampler_state
*);
207 void (*bind_sampler_states
)(struct pipe_context
*,
208 enum pipe_shader_type shader
,
209 unsigned start_slot
, unsigned num_samplers
,
211 void (*delete_sampler_state
)(struct pipe_context
*, void *);
213 void * (*create_rasterizer_state
)(struct pipe_context
*,
214 const struct pipe_rasterizer_state
*);
215 void (*bind_rasterizer_state
)(struct pipe_context
*, void *);
216 void (*delete_rasterizer_state
)(struct pipe_context
*, void *);
218 void * (*create_depth_stencil_alpha_state
)(struct pipe_context
*,
219 const struct pipe_depth_stencil_alpha_state
*);
220 void (*bind_depth_stencil_alpha_state
)(struct pipe_context
*, void *);
221 void (*delete_depth_stencil_alpha_state
)(struct pipe_context
*, void *);
223 void * (*create_fs_state
)(struct pipe_context
*,
224 const struct pipe_shader_state
*);
225 void (*bind_fs_state
)(struct pipe_context
*, void *);
226 void (*delete_fs_state
)(struct pipe_context
*, void *);
228 void * (*create_vs_state
)(struct pipe_context
*,
229 const struct pipe_shader_state
*);
230 void (*bind_vs_state
)(struct pipe_context
*, void *);
231 void (*delete_vs_state
)(struct pipe_context
*, void *);
233 void * (*create_gs_state
)(struct pipe_context
*,
234 const struct pipe_shader_state
*);
235 void (*bind_gs_state
)(struct pipe_context
*, void *);
236 void (*delete_gs_state
)(struct pipe_context
*, void *);
238 void * (*create_tcs_state
)(struct pipe_context
*,
239 const struct pipe_shader_state
*);
240 void (*bind_tcs_state
)(struct pipe_context
*, void *);
241 void (*delete_tcs_state
)(struct pipe_context
*, void *);
243 void * (*create_tes_state
)(struct pipe_context
*,
244 const struct pipe_shader_state
*);
245 void (*bind_tes_state
)(struct pipe_context
*, void *);
246 void (*delete_tes_state
)(struct pipe_context
*, void *);
248 void * (*create_vertex_elements_state
)(struct pipe_context
*,
249 unsigned num_elements
,
250 const struct pipe_vertex_element
*);
251 void (*bind_vertex_elements_state
)(struct pipe_context
*, void *);
252 void (*delete_vertex_elements_state
)(struct pipe_context
*, void *);
257 * Parameter-like state (or properties)
260 void (*set_blend_color
)( struct pipe_context
*,
261 const struct pipe_blend_color
* );
263 void (*set_stencil_ref
)( struct pipe_context
*,
264 const struct pipe_stencil_ref
* );
266 void (*set_sample_mask
)( struct pipe_context
*,
267 unsigned sample_mask
);
269 void (*set_min_samples
)( struct pipe_context
*,
270 unsigned min_samples
);
272 void (*set_clip_state
)( struct pipe_context
*,
273 const struct pipe_clip_state
* );
275 void (*set_constant_buffer
)( struct pipe_context
*,
276 enum pipe_shader_type shader
, uint index
,
277 const struct pipe_constant_buffer
*buf
);
279 void (*set_framebuffer_state
)( struct pipe_context
*,
280 const struct pipe_framebuffer_state
* );
282 void (*set_polygon_stipple
)( struct pipe_context
*,
283 const struct pipe_poly_stipple
* );
285 void (*set_scissor_states
)( struct pipe_context
*,
287 unsigned num_scissors
,
288 const struct pipe_scissor_state
* );
290 void (*set_window_rectangles
)( struct pipe_context
*,
292 unsigned num_rectangles
,
293 const struct pipe_scissor_state
* );
295 void (*set_viewport_states
)( struct pipe_context
*,
297 unsigned num_viewports
,
298 const struct pipe_viewport_state
*);
300 void (*set_sampler_views
)(struct pipe_context
*,
301 enum pipe_shader_type shader
,
302 unsigned start_slot
, unsigned num_views
,
303 struct pipe_sampler_view
**);
305 void (*set_tess_state
)(struct pipe_context
*,
306 const float default_outer_level
[4],
307 const float default_inner_level
[2]);
310 * Sets the debug callback. If the pointer is null, then no callback is
311 * set, otherwise a copy of the data should be made.
313 void (*set_debug_callback
)(struct pipe_context
*,
314 const struct pipe_debug_callback
*);
317 * Bind an array of shader buffers that will be used by a shader.
318 * Any buffers that were previously bound to the specified range
321 * \param shader selects shader stage
322 * \param start_slot first buffer slot to bind.
323 * \param count number of consecutive buffers to bind.
324 * \param buffers array of pointers to the buffers to bind, it
325 * should contain at least \a count elements
326 * unless it's NULL, in which case no buffers will
329 void (*set_shader_buffers
)(struct pipe_context
*,
330 enum pipe_shader_type shader
,
331 unsigned start_slot
, unsigned count
,
332 const struct pipe_shader_buffer
*buffers
);
335 * Bind an array of images that will be used by a shader.
336 * Any images that were previously bound to the specified range
339 * \param shader selects shader stage
340 * \param start_slot first image slot to bind.
341 * \param count number of consecutive images to bind.
342 * \param buffers array of the images to bind, it
343 * should contain at least \a count elements
344 * unless it's NULL, in which case no images will
347 void (*set_shader_images
)(struct pipe_context
*,
348 enum pipe_shader_type shader
,
349 unsigned start_slot
, unsigned count
,
350 const struct pipe_image_view
*images
);
352 void (*set_vertex_buffers
)( struct pipe_context
*,
354 unsigned num_buffers
,
355 const struct pipe_vertex_buffer
* );
360 * Stream output functions.
364 struct pipe_stream_output_target
*(*create_stream_output_target
)(
365 struct pipe_context
*,
366 struct pipe_resource
*,
367 unsigned buffer_offset
,
368 unsigned buffer_size
);
370 void (*stream_output_target_destroy
)(struct pipe_context
*,
371 struct pipe_stream_output_target
*);
373 void (*set_stream_output_targets
)(struct pipe_context
*,
374 unsigned num_targets
,
375 struct pipe_stream_output_target
**targets
,
376 const unsigned *offsets
);
382 * Resource functions for blit-like functionality
384 * If a driver supports multisampling, blit must implement color resolve.
389 * Copy a block of pixels from one resource to another.
390 * The resource must be of the same format.
391 * Resources with nr_samples > 1 are not allowed.
393 void (*resource_copy_region
)(struct pipe_context
*pipe
,
394 struct pipe_resource
*dst
,
396 unsigned dstx
, unsigned dsty
, unsigned dstz
,
397 struct pipe_resource
*src
,
399 const struct pipe_box
*src_box
);
401 /* Optimal hardware path for blitting pixels.
402 * Scaling, format conversion, up- and downsampling (resolve) are allowed.
404 void (*blit
)(struct pipe_context
*pipe
,
405 const struct pipe_blit_info
*info
);
410 * Clear the specified set of currently bound buffers to specified values.
411 * The entire buffers are cleared (no scissor, no colormask, etc).
413 * \param buffers bitfield of PIPE_CLEAR_* values.
414 * \param color pointer to a union of fiu array for each of r, g, b, a.
415 * \param depth depth clear value in [0,1].
416 * \param stencil stencil clear value
418 void (*clear
)(struct pipe_context
*pipe
,
420 const union pipe_color_union
*color
,
425 * Clear a color rendertarget surface.
426 * \param color pointer to an union of fiu array for each of r, g, b, a.
428 void (*clear_render_target
)(struct pipe_context
*pipe
,
429 struct pipe_surface
*dst
,
430 const union pipe_color_union
*color
,
431 unsigned dstx
, unsigned dsty
,
432 unsigned width
, unsigned height
,
433 bool render_condition_enabled
);
436 * Clear a depth-stencil surface.
437 * \param clear_flags bitfield of PIPE_CLEAR_DEPTH/STENCIL values.
438 * \param depth depth clear value in [0,1].
439 * \param stencil stencil clear value
441 void (*clear_depth_stencil
)(struct pipe_context
*pipe
,
442 struct pipe_surface
*dst
,
443 unsigned clear_flags
,
446 unsigned dstx
, unsigned dsty
,
447 unsigned width
, unsigned height
,
448 bool render_condition_enabled
);
451 * Clear the texture with the specified texel. Not guaranteed to be a
452 * renderable format. Data provided in the resource's format.
454 void (*clear_texture
)(struct pipe_context
*pipe
,
455 struct pipe_resource
*res
,
457 const struct pipe_box
*box
,
461 * Clear a buffer. Runs a memset over the specified region with the element
462 * value passed in through clear_value of size clear_value_size.
464 void (*clear_buffer
)(struct pipe_context
*pipe
,
465 struct pipe_resource
*res
,
468 const void *clear_value
,
469 int clear_value_size
);
472 * Flush draw commands
474 * NOTE: use screen->fence_reference() (or equivalent) to transfer
475 * new fence ref to **fence, to ensure that previous fence is unref'd
477 * \param fence if not NULL, an old fence to unref and transfer a
478 * new fence reference to
479 * \param flags bitfield of enum pipe_flush_flags values.
481 void (*flush
)(struct pipe_context
*pipe
,
482 struct pipe_fence_handle
**fence
,
486 * Create a fence from a native sync fd.
488 * This is used for importing a foreign/external fence fd.
490 * \param fence if not NULL, an old fence to unref and transfer a
491 * new fence reference to
492 * \param fd native fence fd
494 void (*create_fence_fd
)(struct pipe_context
*pipe
,
495 struct pipe_fence_handle
**fence
,
499 * Insert commands to have GPU wait for fence to be signaled.
501 void (*fence_server_sync
)(struct pipe_context
*pipe
,
502 struct pipe_fence_handle
*fence
);
505 * Create a view on a texture to be used by a shader stage.
507 struct pipe_sampler_view
* (*create_sampler_view
)(struct pipe_context
*ctx
,
508 struct pipe_resource
*texture
,
509 const struct pipe_sampler_view
*templat
);
512 * Destroy a view on a texture.
514 * \param ctx the current context
515 * \param view the view to be destroyed
517 * \note The current context may not be the context in which the view was
518 * created (view->context). However, the caller must guarantee that
519 * the context which created the view is still alive.
521 void (*sampler_view_destroy
)(struct pipe_context
*ctx
,
522 struct pipe_sampler_view
*view
);
526 * Get a surface which is a "view" into a resource, used by
527 * render target / depth stencil stages.
529 struct pipe_surface
*(*create_surface
)(struct pipe_context
*ctx
,
530 struct pipe_resource
*resource
,
531 const struct pipe_surface
*templat
);
533 void (*surface_destroy
)(struct pipe_context
*ctx
,
534 struct pipe_surface
*);
540 * Transfers are (by default) context-private and allow uploads to be
541 * interleaved with rendering.
543 * out_transfer will contain the transfer object that must be passed
544 * to all the other transfer functions. It also contains useful
545 * information (like texture strides).
547 void *(*transfer_map
)(struct pipe_context
*,
548 struct pipe_resource
*resource
,
550 unsigned usage
, /* a combination of PIPE_TRANSFER_x */
551 const struct pipe_box
*,
552 struct pipe_transfer
**out_transfer
);
554 /* If transfer was created with WRITE|FLUSH_EXPLICIT, only the
555 * regions specified with this call are guaranteed to be written to
558 void (*transfer_flush_region
)( struct pipe_context
*,
559 struct pipe_transfer
*transfer
,
560 const struct pipe_box
*);
562 void (*transfer_unmap
)(struct pipe_context
*,
563 struct pipe_transfer
*transfer
);
565 /* One-shot transfer operation with data supplied in a user
568 void (*buffer_subdata
)(struct pipe_context
*,
569 struct pipe_resource
*,
570 unsigned usage
, /* a combination of PIPE_TRANSFER_x */
575 void (*texture_subdata
)(struct pipe_context
*,
576 struct pipe_resource
*,
578 unsigned usage
, /* a combination of PIPE_TRANSFER_x */
579 const struct pipe_box
*,
582 unsigned layer_stride
);
585 * Flush any pending framebuffer writes and invalidate texture caches.
587 void (*texture_barrier
)(struct pipe_context
*, unsigned flags
);
590 * Flush caches according to flags.
592 void (*memory_barrier
)(struct pipe_context
*, unsigned flags
);
595 * Change the commitment status of a part of the given resource, which must
596 * have been created with the PIPE_RESOURCE_FLAG_SPARSE bit.
598 * \param level The texture level whose commitment should be changed.
599 * \param box The region of the resource whose commitment should be changed.
600 * \param commit Whether memory should be committed or un-committed.
602 * \return false if out of memory, true on success.
604 bool (*resource_commit
)(struct pipe_context
*, struct pipe_resource
*,
605 unsigned level
, struct pipe_box
*box
, bool commit
);
608 * Creates a video codec for a specific video format/profile
610 struct pipe_video_codec
*(*create_video_codec
)( struct pipe_context
*context
,
611 const struct pipe_video_codec
*templat
);
614 * Creates a video buffer as decoding target
616 struct pipe_video_buffer
*(*create_video_buffer
)( struct pipe_context
*context
,
617 const struct pipe_video_buffer
*templat
);
620 * Compute kernel execution
624 * Define the compute program and parameters to be used by
625 * pipe_context::launch_grid.
627 void *(*create_compute_state
)(struct pipe_context
*context
,
628 const struct pipe_compute_state
*);
629 void (*bind_compute_state
)(struct pipe_context
*, void *);
630 void (*delete_compute_state
)(struct pipe_context
*, void *);
633 * Bind an array of shader resources that will be used by the
634 * compute program. Any resources that were previously bound to
635 * the specified range will be unbound after this call.
637 * \param start first resource to bind.
638 * \param count number of consecutive resources to bind.
639 * \param resources array of pointers to the resources to bind, it
640 * should contain at least \a count elements
641 * unless it's NULL, in which case no new
642 * resources will be bound.
644 void (*set_compute_resources
)(struct pipe_context
*,
645 unsigned start
, unsigned count
,
646 struct pipe_surface
**resources
);
649 * Bind an array of buffers to be mapped into the address space of
650 * the GLOBAL resource. Any buffers that were previously bound
651 * between [first, first + count - 1] are unbound after this call.
653 * \param first first buffer to map.
654 * \param count number of consecutive buffers to map.
655 * \param resources array of pointers to the buffers to map, it
656 * should contain at least \a count elements
657 * unless it's NULL, in which case no new
658 * resources will be bound.
659 * \param handles array of pointers to the memory locations that
660 * will be updated with the address each buffer
661 * will be mapped to. The base memory address of
662 * each of the buffers will be added to the value
663 * pointed to by its corresponding handle to form
664 * the final address argument. It should contain
665 * at least \a count elements, unless \a
666 * resources is NULL in which case \a handles
667 * should be NULL as well.
669 * Note that the driver isn't required to make any guarantees about
670 * the contents of the \a handles array being valid anytime except
671 * during the subsequent calls to pipe_context::launch_grid. This
672 * means that the only sensible location handles[i] may point to is
673 * somewhere within the INPUT buffer itself. This is so to
674 * accommodate implementations that lack virtual memory but
675 * nevertheless migrate buffers on the fly, leading to resource
676 * base addresses that change on each kernel invocation or are
677 * unknown to the pipe driver.
679 void (*set_global_binding
)(struct pipe_context
*context
,
680 unsigned first
, unsigned count
,
681 struct pipe_resource
**resources
,
685 * Launch the compute kernel starting from instruction \a pc of the
686 * currently bound compute program.
688 void (*launch_grid
)(struct pipe_context
*context
,
689 const struct pipe_grid_info
*info
);
693 * Get sample position for an individual sample point.
695 * \param sample_count - total number of samples
696 * \param sample_index - sample to get the position values for
697 * \param out_value - return value of 2 floats for x and y position for
700 void (*get_sample_position
)(struct pipe_context
*context
,
701 unsigned sample_count
,
702 unsigned sample_index
,
706 * Query a timestamp in nanoseconds. This is completely equivalent to
707 * pipe_screen::get_timestamp() but takes a context handle for drivers
708 * that require a context.
710 uint64_t (*get_timestamp
)(struct pipe_context
*);
713 * Flush the resource cache, so that the resource can be used
714 * by an external client. Possible usage:
715 * - flushing a resource before presenting it on the screen
716 * - flushing a resource if some other process or device wants to use it
717 * This shouldn't be used to flush caches if the resource is only managed
718 * by a single pipe_screen and is not shared with another process.
719 * (i.e. you shouldn't use it to flush caches explicitly if you want to e.g.
720 * use the resource for texturing)
722 void (*flush_resource
)(struct pipe_context
*ctx
,
723 struct pipe_resource
*resource
);
726 * Invalidate the contents of the resource. This is used to
728 * (1) implement EGL's semantic of undefined depth/stencil
729 * contenst after a swapbuffers. This allows a tiled renderer (for
730 * example) to not store the depth buffer.
732 * (2) implement GL's InvalidateBufferData. For backwards compatibility,
733 * you must only rely on the usability for this purpose when
734 * PIPE_CAP_INVALIDATE_BUFFER is enabled.
736 void (*invalidate_resource
)(struct pipe_context
*ctx
,
737 struct pipe_resource
*resource
);
740 * Return information about unexpected device resets.
742 enum pipe_reset_status (*get_device_reset_status
)(struct pipe_context
*ctx
);
745 * Sets the reset status callback. If the pointer is null, then no callback
746 * is set, otherwise a copy of the data should be made.
748 void (*set_device_reset_callback
)(struct pipe_context
*ctx
,
749 const struct pipe_device_reset_callback
*cb
);
752 * Dump driver-specific debug information into a stream. This is
753 * used by debugging tools.
755 * \param ctx pipe context
756 * \param stream where the output should be written to
757 * \param flags a mask of PIPE_DUMP_* flags
759 void (*dump_debug_state
)(struct pipe_context
*ctx
, FILE *stream
,
763 * Set the log context to which the driver should write internal debug logs
764 * (internal states, command streams).
766 * The caller must ensure that the log context is destroyed and reset to
767 * NULL before the pipe context is destroyed, and that log context functions
768 * are only called from the driver thread.
770 * \param ctx pipe context
771 * \param log logging context
773 void (*set_log_context
)(struct pipe_context
*ctx
, struct u_log_context
*log
);
776 * Emit string marker in cmdstream
778 void (*emit_string_marker
)(struct pipe_context
*ctx
,
784 * \return TRUE if mipmap generation succeeds, FALSE otherwise
786 boolean (*generate_mipmap
)(struct pipe_context
*ctx
,
787 struct pipe_resource
*resource
,
788 enum pipe_format format
,
791 unsigned first_layer
,
792 unsigned last_layer
);
795 * Create a 64-bit texture handle.
797 * \param ctx pipe context
798 * \param view pipe sampler view object
799 * \param state pipe sampler state template
800 * \return a 64-bit texture handle if success, 0 otherwise
802 uint64_t (*create_texture_handle
)(struct pipe_context
*ctx
,
803 struct pipe_sampler_view
*view
,
804 const struct pipe_sampler_state
*state
);
807 * Delete a texture handle.
809 * \param ctx pipe context
810 * \param handle 64-bit texture handle
812 void (*delete_texture_handle
)(struct pipe_context
*ctx
, uint64_t handle
);
815 * Make a texture handle resident.
817 * \param ctx pipe context
818 * \param handle 64-bit texture handle
819 * \param resident TRUE for resident, FALSE otherwise
821 void (*make_texture_handle_resident
)(struct pipe_context
*ctx
,
822 uint64_t handle
, bool resident
);
825 * Create a 64-bit image handle.
827 * \param ctx pipe context
828 * \param image pipe image view template
829 * \return a 64-bit image handle if success, 0 otherwise
831 uint64_t (*create_image_handle
)(struct pipe_context
*ctx
,
832 const struct pipe_image_view
*image
);
835 * Delete an image handle.
837 * \param ctx pipe context
838 * \param handle 64-bit image handle
840 void (*delete_image_handle
)(struct pipe_context
*ctx
, uint64_t handle
);
843 * Make an image handle resident.
845 * \param ctx pipe context
846 * \param handle 64-bit image handle
847 * \param access GL_READ_ONLY, GL_WRITE_ONLY or GL_READ_WRITE
848 * \param resident TRUE for resident, FALSE otherwise
850 void (*make_image_handle_resident
)(struct pipe_context
*ctx
, uint64_t handle
,
851 unsigned access
, bool resident
);
859 #endif /* PIPE_CONTEXT_H */