1 /**************************************************************************
3 * Copyright 2009, 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 * Author: Keith Whitwell <keithw@vmware.com>
29 * Author: Jakob Bornecrantz <wallbraker@gmail.com>
32 /* XXX DRI1 is untested after the switch to st_api.h */
34 #include "util/u_memory.h"
35 #include "util/u_rect.h"
36 #include "util/u_inlines.h"
37 #include "pipe/p_context.h"
38 #include "state_tracker/dri1_api.h"
40 #include "dri_screen.h"
41 #include "dri_context.h"
42 #include "dri_drawable.h"
43 #include "dri_st_api.h"
44 #include "dri1_helper.h"
48 dri1_lock(struct dri_context
*ctx
)
50 drm_context_t hw_context
= ctx
->cPriv
->hHWContext
;
53 DRM_CAS(ctx
->lock
, hw_context
, DRM_LOCK_HELD
| hw_context
, ret
);
55 drmGetLock(ctx
->sPriv
->fd
, hw_context
, 0);
56 ctx
->stLostLock
= TRUE
;
57 ctx
->wsLostLock
= TRUE
;
63 dri1_unlock(struct dri_context
*ctx
)
65 ctx
->isLocked
= FALSE
;
66 DRM_UNLOCK(ctx
->sPriv
->fd
, ctx
->lock
, ctx
->cPriv
->hHWContext
);
70 dri1_update_drawables_locked(struct dri_context
*ctx
,
71 __DRIdrawable
* driDrawPriv
,
72 __DRIdrawable
* driReadPriv
)
74 if (ctx
->stLostLock
) {
75 ctx
->stLostLock
= FALSE
;
76 if (driDrawPriv
== driReadPriv
)
77 DRI_VALIDATE_DRAWABLE_INFO(ctx
->sPriv
, driDrawPriv
);
79 DRI_VALIDATE_TWO_DRAWABLES_INFO(ctx
->sPriv
, driDrawPriv
,
85 * This ensures all contexts which bind to a drawable pick up the
86 * drawable change and signal new buffer state.
89 dri1_propagate_drawable_change(struct dri_context
*ctx
)
91 __DRIdrawable
*dPriv
= ctx
->dPriv
;
92 __DRIdrawable
*rPriv
= ctx
->rPriv
;
93 struct dri_drawable
*draw
= dri_drawable(dPriv
);
94 struct dri_drawable
*read
= dri_drawable(rPriv
);
95 boolean flushed
= FALSE
;
97 if (dPriv
&& draw
->texture_stamp
!= dPriv
->lastStamp
) {
98 ctx
->st
->flush(ctx
->st
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
100 ctx
->st
->notify_invalid_framebuffer(ctx
->st
, draw
->stfb
);
103 if (rPriv
&& dPriv
!= rPriv
&& read
->texture_stamp
!= rPriv
->lastStamp
) {
105 ctx
->st
->flush(ctx
->st
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
106 ctx
->st
->notify_invalid_framebuffer(ctx
->st
, read
->stfb
);
110 static INLINE boolean
111 dri1_intersect_src_bbox(struct drm_clip_rect
*dst
,
114 const struct drm_clip_rect
*src
,
115 const struct drm_clip_rect
*bbox
)
120 xy1
= ((int)src
->x1
> (int)bbox
->x1
+ dst_x
) ? src
->x1
:
121 (int)bbox
->x1
+ dst_x
;
122 xy2
= ((int)src
->x2
< (int)bbox
->x2
+ dst_x
) ? src
->x2
:
123 (int)bbox
->x2
+ dst_x
;
124 if (xy1
>= xy2
|| xy1
< 0)
130 xy1
= ((int)src
->y1
> (int)bbox
->y1
+ dst_y
) ? src
->y1
:
131 (int)bbox
->y1
+ dst_y
;
132 xy2
= ((int)src
->y2
< (int)bbox
->y2
+ dst_y
) ? src
->y2
:
133 (int)bbox
->y2
+ dst_y
;
134 if (xy1
>= xy2
|| xy1
< 0)
143 dri1_swap_copy(struct pipe_context
*pipe
,
144 struct pipe_surface
*dst
,
145 struct pipe_surface
*src
,
146 __DRIdrawable
* dPriv
, const struct drm_clip_rect
*bbox
)
148 struct drm_clip_rect clip
;
149 struct drm_clip_rect
*cur
;
152 cur
= dPriv
->pClipRects
;
154 for (i
= 0; i
< dPriv
->numClipRects
; ++i
) {
155 if (dri1_intersect_src_bbox(&clip
, dPriv
->x
, dPriv
->y
, cur
++, bbox
)) {
156 if (pipe
->surface_copy
) {
157 pipe
->surface_copy(pipe
, dst
, clip
.x1
, clip
.y1
,
159 (int)clip
.x1
- dPriv
->x
,
160 (int)clip
.y1
- dPriv
->y
,
161 clip
.x2
- clip
.x1
, clip
.y2
- clip
.y1
);
163 util_surface_copy(pipe
, FALSE
, dst
, clip
.x1
, clip
.y1
,
165 (int)clip
.x1
- dPriv
->x
,
166 (int)clip
.y1
- dPriv
->y
,
167 clip
.x2
- clip
.x1
, clip
.y2
- clip
.y1
);
174 dri1_present_texture_locked(__DRIdrawable
* dPriv
,
175 struct pipe_texture
*ptex
,
176 const struct drm_clip_rect
*sub_box
,
177 struct pipe_fence_handle
**fence
)
179 struct dri_drawable
*drawable
= dri_drawable(dPriv
);
180 struct dri_screen
*screen
= dri_screen(drawable
->sPriv
);
181 struct pipe_context
*pipe
;
182 struct pipe_surface
*psurf
;
183 struct drm_clip_rect bbox
;
184 boolean visible
= TRUE
;
189 bbox
.x2
= ptex
->width0
;
191 bbox
.y2
= ptex
->height0
;
194 visible
= dri1_intersect_src_bbox(&bbox
, 0, 0, &bbox
, sub_box
);
198 pipe
= dri1_get_pipe_context(screen
);
199 psurf
= dri1_get_pipe_surface(drawable
, ptex
);
203 if (__dri1_api_hooks
->present_locked
) {
204 __dri1_api_hooks
->present_locked(pipe
, psurf
,
205 dPriv
->pClipRects
, dPriv
->numClipRects
,
206 dPriv
->x
, dPriv
->y
, &bbox
, fence
);
207 } else if (__dri1_api_hooks
->front_srf_locked
) {
208 struct pipe_surface
*front
= __dri1_api_hooks
->front_srf_locked(pipe
);
211 dri1_swap_copy(pipe
, front
, psurf
, dPriv
, &bbox
);
213 pipe
->flush(pipe
, PIPE_FLUSH_RENDER_CACHE
, fence
);
218 dri1_copy_to_front(struct dri_context
*ctx
,
219 struct pipe_texture
*ptex
,
220 __DRIdrawable
* dPriv
,
221 const struct drm_clip_rect
*sub_box
,
222 struct pipe_fence_handle
**fence
)
224 boolean save_lost_lock
;
227 save_lost_lock
= ctx
->stLostLock
;
228 dri1_update_drawables_locked(ctx
, dPriv
, dPriv
);
230 dri1_present_texture_locked(dPriv
, ptex
, sub_box
, fence
);
232 ctx
->stLostLock
= save_lost_lock
;
235 * FIXME: Revisit this: Update drawables on copy_sub_buffer ?
239 dri1_update_drawables_locked(ctx
, ctx
->dPriv
, ctx
->rPriv
);
242 dri1_propagate_drawable_change(ctx
);
246 * Backend functions for st_framebuffer interface and swap_buffers.
250 dri1_flush_frontbuffer(struct dri_drawable
*draw
,
251 enum st_attachment_type statt
)
253 struct dri_context
*ctx
= dri_get_current();
254 struct dri_screen
*screen
= dri_screen(draw
->sPriv
);
255 struct pipe_screen
*pipe_screen
= screen
->pipe_screen
;
256 struct pipe_fence_handle
*dummy_fence
;
257 struct pipe_texture
*ptex
;
260 return; /* For now */
262 ptex
= draw
->textures
[statt
];
264 dri1_copy_to_front(ctx
, ptex
, ctx
->dPriv
, NULL
, &dummy_fence
);
265 pipe_screen
->fence_reference(pipe_screen
, &dummy_fence
, NULL
);
269 * FIXME: Do we need swap throttling here?
274 dri1_swap_buffers(__DRIdrawable
* dPriv
)
276 struct dri_context
*ctx
= dri_get_current();
277 struct dri_drawable
*draw
= dri_drawable(dPriv
);
278 struct dri_screen
*screen
= dri_screen(draw
->sPriv
);
279 struct pipe_screen
*pipe_screen
= screen
->pipe_screen
;
280 struct pipe_fence_handle
*fence
;
281 struct pipe_texture
*ptex
;
283 assert(__dri1_api_hooks
!= NULL
);
286 return; /* For now */
288 ptex
= draw
->textures
[ST_ATTACHMENT_BACK_LEFT
];
290 ctx
->st
->flush(ctx
->st
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
291 fence
= dri1_swap_fences_pop_front(draw
);
293 (void)pipe_screen
->fence_finish(pipe_screen
, fence
, 0);
294 pipe_screen
->fence_reference(pipe_screen
, &fence
, NULL
);
296 dri1_copy_to_front(ctx
, ptex
, dPriv
, NULL
, &fence
);
297 dri1_swap_fences_push_back(draw
, fence
);
298 pipe_screen
->fence_reference(pipe_screen
, &fence
, NULL
);
303 dri1_copy_sub_buffer(__DRIdrawable
* dPriv
, int x
, int y
, int w
, int h
)
305 struct dri_context
*ctx
= dri_get_current();
306 struct dri_screen
*screen
= dri_screen(dPriv
->driScreenPriv
);
307 struct pipe_screen
*pipe_screen
= screen
->pipe_screen
;
308 struct drm_clip_rect sub_bbox
;
309 struct dri_drawable
*draw
= dri_drawable(dPriv
);
310 struct pipe_fence_handle
*dummy_fence
;
311 struct pipe_texture
*ptex
;
313 assert(__dri1_api_hooks
!= NULL
);
323 ptex
= draw
->textures
[ST_ATTACHMENT_BACK_LEFT
];
325 ctx
->st
->flush(ctx
->st
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
326 dri1_copy_to_front(ctx
, ptex
, dPriv
, &sub_bbox
, &dummy_fence
);
327 pipe_screen
->fence_reference(pipe_screen
, &dummy_fence
, NULL
);
332 * Allocate framebuffer attachments.
334 * During fixed-size operation, the function keeps allocating new attachments
335 * as they are requested. Unused attachments are not removed, not until the
336 * framebuffer is resized or destroyed.
339 dri1_allocate_textures(struct dri_drawable
*drawable
,
342 struct dri_screen
*screen
= dri_screen(drawable
->sPriv
);
343 struct pipe_texture templ
;
344 unsigned width
, height
;
348 width
= drawable
->dPriv
->w
;
349 height
= drawable
->dPriv
->h
;
351 resized
= (drawable
->old_w
!= width
||
352 drawable
->old_h
!= height
);
354 /* remove outdated textures */
356 for (i
= 0; i
< ST_ATTACHMENT_COUNT
; i
++)
357 pipe_texture_reference(&drawable
->textures
[i
], NULL
);
360 memset(&templ
, 0, sizeof(templ
));
361 templ
.target
= PIPE_TEXTURE_2D
;
362 templ
.width0
= width
;
363 templ
.height0
= height
;
365 templ
.last_level
= 0;
367 for (i
= 0; i
< ST_ATTACHMENT_COUNT
; i
++) {
368 enum pipe_format format
;
371 /* the texture already exists or not requested */
372 if (drawable
->textures
[i
] || !(mask
& (1 << i
))) {
377 case ST_ATTACHMENT_FRONT_LEFT
:
378 case ST_ATTACHMENT_BACK_LEFT
:
379 case ST_ATTACHMENT_FRONT_RIGHT
:
380 case ST_ATTACHMENT_BACK_RIGHT
:
381 format
= drawable
->stvis
.color_format
;
382 tex_usage
= PIPE_TEXTURE_USAGE_DISPLAY_TARGET
|
383 PIPE_TEXTURE_USAGE_RENDER_TARGET
;
385 case ST_ATTACHMENT_DEPTH_STENCIL
:
386 format
= drawable
->stvis
.depth_stencil_format
;
387 tex_usage
= PIPE_TEXTURE_USAGE_DEPTH_STENCIL
;
390 format
= PIPE_FORMAT_NONE
;
394 if (format
!= PIPE_FORMAT_NONE
) {
395 templ
.format
= format
;
396 templ
.tex_usage
= tex_usage
;
398 drawable
->textures
[i
] =
399 screen
->pipe_screen
->texture_create(screen
->pipe_screen
, &templ
);
403 drawable
->old_w
= width
;
404 drawable
->old_h
= height
;
408 st_dri_lock(struct pipe_context
*pipe
)
410 dri1_lock((struct dri_context
*)pipe
->priv
);
414 st_dri_unlock(struct pipe_context
*pipe
)
416 dri1_unlock((struct dri_context
*)pipe
->priv
);
420 st_dri_is_locked(struct pipe_context
*pipe
)
422 return ((struct dri_context
*)pipe
->priv
)->isLocked
;
426 st_dri_lost_lock(struct pipe_context
*pipe
)
428 return ((struct dri_context
*)pipe
->priv
)->wsLostLock
;
432 st_dri_clear_lost_lock(struct pipe_context
*pipe
)
434 ((struct dri_context
*)pipe
->priv
)->wsLostLock
= FALSE
;
437 static struct dri1_api_lock_funcs dri1_lf
= {
439 .unlock
= st_dri_unlock
,
440 .is_locked
= st_dri_is_locked
,
441 .is_lock_lost
= st_dri_lost_lock
,
442 .clear_lost_lock
= st_dri_clear_lost_lock
446 * Backend function for init_screen.
449 static const __DRIextension
*dri1_screen_extensions
[] = {
450 &driReadDrawableExtension
,
451 &driCopySubBufferExtension
.base
,
452 &driSwapControlExtension
.base
,
453 &driFrameTrackingExtension
.base
,
454 &driMediaStreamCounterExtension
.base
,
458 struct dri1_api
*__dri1_api_hooks
= NULL
;
461 dri1_copy_version(struct dri1_api_version
*dst
,
462 const struct __DRIversionRec
*src
)
464 dst
->major
= src
->major
;
465 dst
->minor
= src
->minor
;
466 dst
->patch_level
= src
->patch
;
470 dri1_init_screen(__DRIscreen
* sPriv
)
472 struct dri_screen
*screen
;
473 const __DRIconfig
**configs
;
474 struct dri1_create_screen_arg arg
;
476 screen
= CALLOC_STRUCT(dri_screen
);
480 screen
->api
= drm_api_create();
481 screen
->sPriv
= sPriv
;
482 screen
->fd
= sPriv
->fd
;
483 screen
->drmLock
= (drmLock
*) & sPriv
->pSAREA
->lock
;
485 sPriv
->private = (void *)screen
;
486 sPriv
->extensions
= dri1_screen_extensions
;
488 arg
.base
.mode
= DRM_CREATE_DRI1
;
490 arg
.ddx_info
= sPriv
->pDevPriv
;
491 arg
.ddx_info_size
= sPriv
->devPrivSize
;
492 arg
.sarea
= sPriv
->pSAREA
;
493 dri1_copy_version(&arg
.ddx_version
, &sPriv
->ddx_version
);
494 dri1_copy_version(&arg
.dri_version
, &sPriv
->dri_version
);
495 dri1_copy_version(&arg
.drm_version
, &sPriv
->drm_version
);
498 screen
->pipe_screen
= screen
->api
->create_screen(screen
->api
, screen
->fd
, &arg
.base
);
500 if (!screen
->pipe_screen
|| !arg
.api
) {
501 debug_printf("%s: failed to create dri1 screen\n", __FUNCTION__
);
505 __dri1_api_hooks
= arg
.api
;
507 driParseOptionInfo(&screen
->optionCache
,
508 __driConfigOptions
, __driNConfigOptions
);
511 * FIXME: If the driver supports format conversion swapbuffer blits, we might
512 * want to support other color bit depths than the server is currently
516 configs
= dri_fill_in_modes(screen
, sPriv
->fbBPP
);
522 screen
->pipe_screen
->destroy(screen
->pipe_screen
);