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 #include "dri_screen.h"
33 #include "dri_context.h"
34 #include "dri_drawable.h"
36 #include "pipe/p_context.h"
37 #include "pipe/p_screen.h"
38 #include "pipe/p_inlines.h"
39 #include "state_tracker/drm_api.h"
40 #include "state_tracker/dri1_api.h"
41 #include "state_tracker/st_public.h"
42 #include "state_tracker/st_context.h"
43 #include "state_tracker/st_cb_fbo.h"
45 #include "util/u_memory.h"
48 dri_copy_to_front(__DRIdrawablePrivate
* dPriv
,
49 struct pipe_surface
*from
,
50 int x
, int y
, unsigned w
, unsigned h
)
52 /* TODO send a message to the Xserver to copy to the real front buffer */
55 static struct pipe_surface
*
56 dri_surface_from_handle(struct drm_api
*api
,
57 struct pipe_screen
*screen
,
59 enum pipe_format format
,
60 unsigned width
, unsigned height
, unsigned pitch
)
62 struct pipe_surface
*surface
= NULL
;
63 struct pipe_texture
*texture
= NULL
;
64 struct pipe_texture templat
;
65 struct pipe_buffer
*buf
= NULL
;
67 buf
= api
->buffer_from_handle(api
, screen
, "dri2 buffer", handle
);
71 memset(&templat
, 0, sizeof(templat
));
72 templat
.tex_usage
|= PIPE_TEXTURE_USAGE_RENDER_TARGET
;
73 templat
.target
= PIPE_TEXTURE_2D
;
74 templat
.last_level
= 0;
76 templat
.format
= format
;
77 templat
.width
[0] = width
;
78 templat
.height
[0] = height
;
79 pf_get_block(templat
.format
, &templat
.block
);
81 texture
= screen
->texture_blanket(screen
, &templat
, &pitch
, buf
);
83 /* we don't need the buffer from this point on */
84 pipe_buffer_reference(&buf
, NULL
);
89 surface
= screen
->get_tex_surface(screen
, texture
, 0, 0, 0,
90 PIPE_BUFFER_USAGE_GPU_READ
|
91 PIPE_BUFFER_USAGE_GPU_WRITE
);
93 /* we don't need the texture from this point on */
94 pipe_texture_reference(&texture
, NULL
);
99 * This will be called a drawable is known to have been resized.
102 dri_get_buffers(__DRIdrawablePrivate
* dPriv
)
105 struct dri_drawable
*drawable
= dri_drawable(dPriv
);
106 struct pipe_surface
*surface
= NULL
;
107 struct pipe_screen
*screen
= dri_screen(drawable
->sPriv
)->pipe_screen
;
108 __DRIbuffer
*buffers
= NULL
;
109 __DRIscreen
*dri_screen
= drawable
->sPriv
;
110 __DRIdrawable
*dri_drawable
= drawable
->dPriv
;
111 struct drm_api
*api
= ((struct dri_screen
*)(dri_screen
->private))->api
;
112 boolean have_depth
= FALSE
;
115 buffers
= (*dri_screen
->dri2
.loader
->getBuffers
) (dri_drawable
,
118 drawable
->attachments
,
120 num_attachments
, &count
,
124 if (buffers
== NULL
) {
128 /* set one cliprect to cover the whole dri_drawable */
131 dri_drawable
->backX
= 0;
132 dri_drawable
->backY
= 0;
133 dri_drawable
->numClipRects
= 1;
134 dri_drawable
->pClipRects
[0].x1
= 0;
135 dri_drawable
->pClipRects
[0].y1
= 0;
136 dri_drawable
->pClipRects
[0].x2
= dri_drawable
->w
;
137 dri_drawable
->pClipRects
[0].y2
= dri_drawable
->h
;
138 dri_drawable
->numBackClipRects
= 1;
139 dri_drawable
->pBackClipRects
[0].x1
= 0;
140 dri_drawable
->pBackClipRects
[0].y1
= 0;
141 dri_drawable
->pBackClipRects
[0].x2
= dri_drawable
->w
;
142 dri_drawable
->pBackClipRects
[0].y2
= dri_drawable
->h
;
144 if (drawable
->old_num
== count
&&
145 drawable
->old_w
== dri_drawable
->w
&&
146 drawable
->old_h
== dri_drawable
->h
&&
147 memcmp(drawable
->old
, buffers
, sizeof(__DRIbuffer
) * count
) == 0) {
150 drawable
->old_num
= count
;
151 drawable
->old_w
= dri_drawable
->w
;
152 drawable
->old_h
= dri_drawable
->h
;
153 memcpy(drawable
->old
, buffers
, sizeof(__DRIbuffer
) * count
);
156 for (i
= 0; i
< count
; i
++) {
157 enum pipe_format format
= 0;
160 switch (buffers
[i
].attachment
) {
161 case __DRI_BUFFER_FRONT_LEFT
:
162 index
= ST_SURFACE_FRONT_LEFT
;
163 format
= drawable
->color_format
;
165 case __DRI_BUFFER_FAKE_FRONT_LEFT
:
166 index
= ST_SURFACE_FRONT_LEFT
;
167 format
= drawable
->color_format
;
169 case __DRI_BUFFER_BACK_LEFT
:
170 index
= ST_SURFACE_BACK_LEFT
;
171 format
= drawable
->color_format
;
173 case __DRI_BUFFER_DEPTH
:
174 index
= ST_SURFACE_DEPTH
;
175 format
= drawable
->depth_format
;
177 case __DRI_BUFFER_STENCIL
:
178 index
= ST_SURFACE_DEPTH
;
179 format
= drawable
->stencil_format
;
181 case __DRI_BUFFER_ACCUM
:
186 if (index
== ST_SURFACE_DEPTH
) {
193 surface
= dri_surface_from_handle(api
,
198 dri_drawable
->h
, buffers
[i
].pitch
);
200 st_set_framebuffer_surface(drawable
->stfb
, index
, surface
);
201 pipe_surface_reference(&surface
, NULL
);
203 /* this needed, or else the state tracker fails to pick the new buffers */
204 st_resize_framebuffer(drawable
->stfb
, dri_drawable
->w
, dri_drawable
->h
);
208 * These are used for GLX_EXT_texture_from_pixmap
210 void dri2_set_tex_buffer2(__DRIcontext
*pDRICtx
, GLint target
,
211 GLint format
, __DRIdrawable
*dPriv
)
213 struct dri_drawable
*drawable
= dri_drawable(dPriv
);
214 struct pipe_surface
*ps
;
216 dri_get_buffers(drawable
->dPriv
);
217 st_get_framebuffer_surface(drawable
->stfb
, ST_SURFACE_FRONT_LEFT
, &ps
);
219 st_bind_texture_surface(ps
, target
== GL_TEXTURE_2D
? ST_TEXTURE_2D
:
221 format
== GLX_TEXTURE_FORMAT_RGBA_EXT
?
222 PIPE_FORMAT_R8G8B8A8_UNORM
: PIPE_FORMAT_R8G8B8X8_UNORM
);
225 void dri2_set_tex_buffer(__DRIcontext
*pDRICtx
, GLint target
,
226 __DRIdrawable
*dPriv
)
228 dri2_set_tex_buffer2(pDRICtx
, target
, GLX_TEXTURE_FORMAT_RGBA_EXT
, dPriv
);
232 dri_flush_frontbuffer(struct pipe_screen
*screen
,
233 struct pipe_surface
*surf
, void *context_private
)
235 struct dri_context
*ctx
= (struct dri_context
*)context_private
;
237 dri_copy_to_front(ctx
->dPriv
, surf
, 0, 0, surf
->width
, surf
->height
);
241 * This is called when we need to set up GL rendering to a new X window.
244 dri_create_buffer(__DRIscreenPrivate
* sPriv
,
245 __DRIdrawablePrivate
* dPriv
,
246 const __GLcontextModes
* visual
, boolean isPixmap
)
248 struct dri_screen
*screen
= sPriv
->private;
249 struct dri_drawable
*drawable
= NULL
;
253 goto fail
; /* not implemented */
255 drawable
= CALLOC_STRUCT(dri_drawable
);
256 if (drawable
== NULL
)
259 drawable
->color_format
= (visual
->redBits
== 8) ?
260 PIPE_FORMAT_A8R8G8B8_UNORM
: PIPE_FORMAT_R5G6B5_UNORM
;
262 debug_printf("Red bits is %d\n", visual
->redBits
);
264 switch(visual
->depthBits
) {
267 debug_printf("Depth buffer 0.\n");
268 drawable
->depth_format
= PIPE_FORMAT_NONE
;
271 debug_printf("Depth buffer 16.\n");
272 drawable
->depth_format
= PIPE_FORMAT_Z16_UNORM
;
275 if (visual
->stencilBits
== 0) {
276 debug_printf("Depth buffer 24. Stencil 0.\n");
277 drawable
->depth_format
= (screen
->d_depth_bits_last
) ?
278 PIPE_FORMAT_X8Z24_UNORM
:
279 PIPE_FORMAT_Z24X8_UNORM
;
281 debug_printf("Combined depth stencil 24 / 8.\n");
282 drawable
->depth_format
= (screen
->sd_depth_bits_last
) ?
283 PIPE_FORMAT_S8Z24_UNORM
:
284 PIPE_FORMAT_Z24S8_UNORM
;
289 switch(visual
->stencilBits
) {
292 drawable
->stencil_format
= PIPE_FORMAT_NONE
;
295 drawable
->stencil_format
= (screen
->sd_depth_bits_last
) ?
296 PIPE_FORMAT_S8Z24_UNORM
:
297 PIPE_FORMAT_Z24S8_UNORM
;
301 drawable
->stfb
= st_create_framebuffer(visual
,
302 drawable
->color_format
,
303 drawable
->depth_format
,
304 drawable
->stencil_format
,
306 dPriv
->h
, (void *)drawable
);
307 if (drawable
->stfb
== NULL
)
310 drawable
->sPriv
= sPriv
;
311 drawable
->dPriv
= dPriv
;
312 dPriv
->driverPrivate
= (void *)drawable
;
314 /* setup dri2 buffers information */
316 drawable
->attachments
[i
++] = __DRI_BUFFER_FRONT_LEFT
;
318 /* TODO incase of double buffer visual, delay fake creation */
319 drawable
->attachments
[i
++] = __DRI_BUFFER_FAKE_FRONT_LEFT
;
321 if (visual
->doubleBufferMode
)
322 drawable
->attachments
[i
++] = __DRI_BUFFER_BACK_LEFT
;
323 if (visual
->depthBits
)
324 drawable
->attachments
[i
++] = __DRI_BUFFER_DEPTH
;
325 if (visual
->stencilBits
)
326 drawable
->attachments
[i
++] = __DRI_BUFFER_STENCIL
;
327 drawable
->num_attachments
= i
;
329 drawable
->desired_fences
= 2;
337 static struct pipe_fence_handle
*
338 dri_swap_fences_pop_front(struct dri_drawable
*draw
)
340 struct pipe_screen
*screen
= dri_screen(draw
->sPriv
)->pipe_screen
;
341 struct pipe_fence_handle
*fence
= NULL
;
343 if (draw
->cur_fences
>= draw
->desired_fences
) {
344 screen
->fence_reference(screen
, &fence
, draw
->swap_fences
[draw
->tail
]);
345 screen
->fence_reference(screen
, &draw
->swap_fences
[draw
->tail
++], NULL
);
347 draw
->tail
&= DRI_SWAP_FENCES_MASK
;
353 dri_swap_fences_push_back(struct dri_drawable
*draw
,
354 struct pipe_fence_handle
*fence
)
356 struct pipe_screen
*screen
= dri_screen(draw
->sPriv
)->pipe_screen
;
361 if (draw
->cur_fences
< DRI_SWAP_FENCES_MAX
) {
363 screen
->fence_reference(screen
, &draw
->swap_fences
[draw
->head
++],
365 draw
->head
&= DRI_SWAP_FENCES_MASK
;
370 dri_destroy_buffer(__DRIdrawablePrivate
* dPriv
)
372 struct dri_drawable
*drawable
= dri_drawable(dPriv
);
373 struct pipe_fence_handle
*fence
;
374 struct pipe_screen
*screen
= dri_screen(drawable
->sPriv
)->pipe_screen
;
376 st_unreference_framebuffer(drawable
->stfb
);
377 drawable
->desired_fences
= 0;
378 while (drawable
->cur_fences
) {
379 fence
= dri_swap_fences_pop_front(drawable
);
380 screen
->fence_reference(screen
, &fence
, NULL
);
387 dri1_update_drawables_locked(struct dri_context
*ctx
,
388 __DRIdrawablePrivate
* driDrawPriv
,
389 __DRIdrawablePrivate
* driReadPriv
)
391 if (ctx
->stLostLock
) {
392 ctx
->stLostLock
= FALSE
;
393 if (driDrawPriv
== driReadPriv
)
394 DRI_VALIDATE_DRAWABLE_INFO(ctx
->sPriv
, driDrawPriv
);
396 DRI_VALIDATE_TWO_DRAWABLES_INFO(ctx
->sPriv
, driDrawPriv
,
402 * This ensures all contexts which bind to a drawable pick up the
403 * drawable change and signal new buffer state.
404 * Calling st_resize_framebuffer for each context may seem like overkill,
405 * but no new buffers will actually be allocated if the dimensions don't
410 dri1_propagate_drawable_change(struct dri_context
*ctx
)
412 __DRIdrawablePrivate
*dPriv
= ctx
->dPriv
;
413 __DRIdrawablePrivate
*rPriv
= ctx
->rPriv
;
414 boolean flushed
= FALSE
;
416 if (dPriv
&& ctx
->d_stamp
!= dPriv
->lastStamp
) {
418 st_flush(ctx
->st
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
420 ctx
->d_stamp
= dPriv
->lastStamp
;
421 st_resize_framebuffer(dri_drawable(dPriv
)->stfb
, dPriv
->w
, dPriv
->h
);
425 if (rPriv
&& dPriv
!= rPriv
&& ctx
->r_stamp
!= rPriv
->lastStamp
) {
428 st_flush(ctx
->st
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
429 ctx
->r_stamp
= rPriv
->lastStamp
;
430 st_resize_framebuffer(dri_drawable(rPriv
)->stfb
, rPriv
->w
, rPriv
->h
);
432 } else if (rPriv
&& dPriv
== rPriv
) {
434 ctx
->r_stamp
= ctx
->d_stamp
;
440 dri1_update_drawables(struct dri_context
*ctx
,
441 struct dri_drawable
*draw
, struct dri_drawable
*read
)
444 dri1_update_drawables_locked(ctx
, draw
->dPriv
, read
->dPriv
);
447 dri1_propagate_drawable_change(ctx
);
450 static INLINE boolean
451 dri1_intersect_src_bbox(struct drm_clip_rect
*dst
,
454 const struct drm_clip_rect
*src
,
455 const struct drm_clip_rect
*bbox
)
460 xy1
= ((int)src
->x1
> (int)bbox
->x1
+ dst_x
) ? src
->x1
:
461 (int)bbox
->x1
+ dst_x
;
462 xy2
= ((int)src
->x2
< (int)bbox
->x2
+ dst_x
) ? src
->x2
:
463 (int)bbox
->x2
+ dst_x
;
464 if (xy1
>= xy2
|| xy1
< 0)
470 xy1
= ((int)src
->y1
> (int)bbox
->y1
+ dst_y
) ? src
->y1
:
471 (int)bbox
->y1
+ dst_y
;
472 xy2
= ((int)src
->y2
< (int)bbox
->y2
+ dst_y
) ? src
->y2
:
473 (int)bbox
->y2
+ dst_y
;
474 if (xy1
>= xy2
|| xy1
< 0)
483 dri1_swap_copy(struct dri_context
*ctx
,
484 struct pipe_surface
*dst
,
485 struct pipe_surface
*src
,
486 __DRIdrawablePrivate
* dPriv
, const struct drm_clip_rect
*bbox
)
488 struct pipe_context
*pipe
= ctx
->pipe
;
489 struct drm_clip_rect clip
;
490 struct drm_clip_rect
*cur
;
493 cur
= dPriv
->pClipRects
;
495 for (i
= 0; i
< dPriv
->numClipRects
; ++i
) {
496 if (dri1_intersect_src_bbox(&clip
, dPriv
->x
, dPriv
->y
, cur
++, bbox
))
497 pipe
->surface_copy(pipe
, dst
, clip
.x1
, clip
.y1
,
499 (int)clip
.x1
- dPriv
->x
,
500 (int)clip
.y1
- dPriv
->y
,
501 clip
.x2
- clip
.x1
, clip
.y2
- clip
.y1
);
506 dri1_copy_to_front(struct dri_context
*ctx
,
507 struct pipe_surface
*surf
,
508 __DRIdrawablePrivate
* dPriv
,
509 const struct drm_clip_rect
*sub_box
,
510 struct pipe_fence_handle
**fence
)
512 struct pipe_context
*pipe
= ctx
->pipe
;
513 boolean save_lost_lock
;
516 struct drm_clip_rect bbox
;
517 boolean visible
= TRUE
;
522 save_lost_lock
= ctx
->stLostLock
;
523 dri1_update_drawables_locked(ctx
, dPriv
, dPriv
);
524 st_get_framebuffer_dimensions(dri_drawable(dPriv
)->stfb
, &cur_w
, &cur_h
);
532 visible
= dri1_intersect_src_bbox(&bbox
, 0, 0, &bbox
, sub_box
);
534 if (visible
&& __dri1_api_hooks
->present_locked
) {
536 __dri1_api_hooks
->present_locked(pipe
,
540 dPriv
->x
, dPriv
->y
, &bbox
, fence
);
542 } else if (visible
&& __dri1_api_hooks
->front_srf_locked
) {
544 struct pipe_surface
*front
= __dri1_api_hooks
->front_srf_locked(pipe
);
547 dri1_swap_copy(ctx
, front
, surf
, dPriv
, &bbox
);
549 st_flush(ctx
->st
, PIPE_FLUSH_RENDER_CACHE
, fence
);
552 ctx
->stLostLock
= save_lost_lock
;
555 * FIXME: Revisit this: Update drawables on copy_sub_buffer ?
559 dri1_update_drawables_locked(ctx
, ctx
->dPriv
, ctx
->rPriv
);
562 dri1_propagate_drawable_change(ctx
);
566 dri1_flush_frontbuffer(struct pipe_screen
*screen
,
567 struct pipe_surface
*surf
, void *context_private
)
569 struct dri_context
*ctx
= (struct dri_context
*)context_private
;
570 struct pipe_fence_handle
*dummy_fence
;
572 dri1_copy_to_front(ctx
, surf
, ctx
->dPriv
, NULL
, &dummy_fence
);
573 screen
->fence_reference(screen
, &dummy_fence
, NULL
);
576 * FIXME: Do we need swap throttling here?
581 dri_swap_buffers(__DRIdrawablePrivate
* dPriv
)
583 struct dri_context
*ctx
;
584 struct pipe_surface
*back_surf
;
585 struct dri_drawable
*draw
= dri_drawable(dPriv
);
586 struct pipe_screen
*screen
= dri_screen(draw
->sPriv
)->pipe_screen
;
587 struct pipe_fence_handle
*fence
;
588 struct st_context
*st
= st_get_current();
590 assert(__dri1_api_hooks
!= NULL
);
593 return; /* For now */
595 ctx
= (struct dri_context
*)st
->pipe
->priv
;
597 st_get_framebuffer_surface(draw
->stfb
, ST_SURFACE_BACK_LEFT
, &back_surf
);
599 st_notify_swapbuffers(draw
->stfb
);
600 st_flush(ctx
->st
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
601 fence
= dri_swap_fences_pop_front(draw
);
603 (void)screen
->fence_finish(screen
, fence
, 0);
604 screen
->fence_reference(screen
, &fence
, NULL
);
606 dri1_copy_to_front(ctx
, back_surf
, dPriv
, NULL
, &fence
);
607 dri_swap_fences_push_back(draw
, fence
);
608 screen
->fence_reference(screen
, &fence
, NULL
);
613 dri_copy_sub_buffer(__DRIdrawablePrivate
* dPriv
, int x
, int y
, int w
, int h
)
615 struct pipe_screen
*screen
= dri_screen(dPriv
->driScreenPriv
)->pipe_screen
;
616 struct drm_clip_rect sub_bbox
;
617 struct dri_context
*ctx
;
618 struct pipe_surface
*back_surf
;
619 struct dri_drawable
*draw
= dri_drawable(dPriv
);
620 struct pipe_fence_handle
*dummy_fence
;
621 struct st_context
*st
= st_get_current();
623 assert(__dri1_api_hooks
!= NULL
);
628 ctx
= (struct dri_context
*)st
->pipe
->priv
;
635 st_get_framebuffer_surface(draw
->stfb
, ST_SURFACE_BACK_LEFT
, &back_surf
);
637 st_flush(ctx
->st
, PIPE_FLUSH_RENDER_CACHE
, NULL
);
638 dri1_copy_to_front(ctx
, back_surf
, dPriv
, &sub_bbox
, &dummy_fence
);
639 screen
->fence_reference(screen
, &dummy_fence
, NULL
);
643 /* vim: set sw=3 ts=8 sts=3 expandtab: */