2 * Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
24 #include "util/u_memory.h"
25 #include "pipe/p_screen.h"
26 #include "state_tracker/st_texture.h"
27 #include "state_tracker/st_context.h"
28 #include "state_tracker/st_cb_fbo.h"
29 #include "main/texobj.h"
31 #include "dri_helpers.h"
34 dri2_is_opencl_interop_loaded_locked(struct dri_screen
*screen
)
36 return screen
->opencl_dri_event_add_ref
&&
37 screen
->opencl_dri_event_release
&&
38 screen
->opencl_dri_event_wait
&&
39 screen
->opencl_dri_event_get_fence
;
43 dri2_load_opencl_interop(struct dri_screen
*screen
)
45 #if defined(RTLD_DEFAULT)
48 mtx_lock(&screen
->opencl_func_mutex
);
50 if (dri2_is_opencl_interop_loaded_locked(screen
)) {
51 mtx_unlock(&screen
->opencl_func_mutex
);
55 screen
->opencl_dri_event_add_ref
=
56 dlsym(RTLD_DEFAULT
, "opencl_dri_event_add_ref");
57 screen
->opencl_dri_event_release
=
58 dlsym(RTLD_DEFAULT
, "opencl_dri_event_release");
59 screen
->opencl_dri_event_wait
=
60 dlsym(RTLD_DEFAULT
, "opencl_dri_event_wait");
61 screen
->opencl_dri_event_get_fence
=
62 dlsym(RTLD_DEFAULT
, "opencl_dri_event_get_fence");
64 success
= dri2_is_opencl_interop_loaded_locked(screen
);
65 mtx_unlock(&screen
->opencl_func_mutex
);
73 struct dri_screen
*driscreen
;
74 struct pipe_fence_handle
*pipe_fence
;
78 static unsigned dri2_fence_get_caps(__DRIscreen
*_screen
)
80 struct dri_screen
*driscreen
= dri_screen(_screen
);
81 struct pipe_screen
*screen
= driscreen
->base
.screen
;
84 if (screen
->get_param(screen
, PIPE_CAP_NATIVE_FENCE_FD
))
85 caps
|= __DRI_FENCE_CAP_NATIVE_FD
;
91 dri2_create_fence(__DRIcontext
*_ctx
)
93 struct st_context_iface
*stapi
= dri_context(_ctx
)->st
;
94 struct dri2_fence
*fence
= CALLOC_STRUCT(dri2_fence
);
99 stapi
->flush(stapi
, 0, &fence
->pipe_fence
);
101 if (!fence
->pipe_fence
) {
106 fence
->driscreen
= dri_screen(_ctx
->driScreenPriv
);
111 dri2_create_fence_fd(__DRIcontext
*_ctx
, int fd
)
113 struct st_context_iface
*stapi
= dri_context(_ctx
)->st
;
114 struct pipe_context
*ctx
= stapi
->pipe
;
115 struct dri2_fence
*fence
= CALLOC_STRUCT(dri2_fence
);
118 /* exporting driver created fence, flush: */
119 stapi
->flush(stapi
, PIPE_FLUSH_DEFERRED
| PIPE_FLUSH_FENCE_FD
,
122 /* importing a foreign fence fd: */
123 ctx
->create_fence_fd(ctx
, &fence
->pipe_fence
, fd
);
125 if (!fence
->pipe_fence
) {
130 fence
->driscreen
= dri_screen(_ctx
->driScreenPriv
);
135 dri2_get_fence_fd(__DRIscreen
*_screen
, void *_fence
)
137 struct dri_screen
*driscreen
= dri_screen(_screen
);
138 struct pipe_screen
*screen
= driscreen
->base
.screen
;
139 struct dri2_fence
*fence
= (struct dri2_fence
*)_fence
;
141 return screen
->fence_get_fd(screen
, fence
->pipe_fence
);
145 dri2_get_fence_from_cl_event(__DRIscreen
*_screen
, intptr_t cl_event
)
147 struct dri_screen
*driscreen
= dri_screen(_screen
);
148 struct dri2_fence
*fence
;
150 if (!dri2_load_opencl_interop(driscreen
))
153 fence
= CALLOC_STRUCT(dri2_fence
);
157 fence
->cl_event
= (void*)cl_event
;
159 if (!driscreen
->opencl_dri_event_add_ref(fence
->cl_event
)) {
164 fence
->driscreen
= driscreen
;
169 dri2_destroy_fence(__DRIscreen
*_screen
, void *_fence
)
171 struct dri_screen
*driscreen
= dri_screen(_screen
);
172 struct pipe_screen
*screen
= driscreen
->base
.screen
;
173 struct dri2_fence
*fence
= (struct dri2_fence
*)_fence
;
175 if (fence
->pipe_fence
)
176 screen
->fence_reference(screen
, &fence
->pipe_fence
, NULL
);
177 else if (fence
->cl_event
)
178 driscreen
->opencl_dri_event_release(fence
->cl_event
);
186 dri2_client_wait_sync(__DRIcontext
*_ctx
, void *_fence
, unsigned flags
,
189 struct dri2_fence
*fence
= (struct dri2_fence
*)_fence
;
190 struct dri_screen
*driscreen
= fence
->driscreen
;
191 struct pipe_screen
*screen
= driscreen
->base
.screen
;
193 /* No need to flush. The context was flushed when the fence was created. */
195 if (fence
->pipe_fence
)
196 return screen
->fence_finish(screen
, NULL
, fence
->pipe_fence
, timeout
);
197 else if (fence
->cl_event
) {
198 struct pipe_fence_handle
*pipe_fence
=
199 driscreen
->opencl_dri_event_get_fence(fence
->cl_event
);
202 return screen
->fence_finish(screen
, NULL
, pipe_fence
, timeout
);
204 return driscreen
->opencl_dri_event_wait(fence
->cl_event
, timeout
);
213 dri2_server_wait_sync(__DRIcontext
*_ctx
, void *_fence
, unsigned flags
)
215 struct pipe_context
*ctx
= dri_context(_ctx
)->st
->pipe
;
216 struct dri2_fence
*fence
= (struct dri2_fence
*)_fence
;
218 if (ctx
->fence_server_sync
)
219 ctx
->fence_server_sync(ctx
, fence
->pipe_fence
);
222 const __DRI2fenceExtension dri2FenceExtension
= {
223 .base
= { __DRI2_FENCE
, 2 },
225 .create_fence
= dri2_create_fence
,
226 .get_fence_from_cl_event
= dri2_get_fence_from_cl_event
,
227 .destroy_fence
= dri2_destroy_fence
,
228 .client_wait_sync
= dri2_client_wait_sync
,
229 .server_wait_sync
= dri2_server_wait_sync
,
230 .get_capabilities
= dri2_fence_get_caps
,
231 .create_fence_fd
= dri2_create_fence_fd
,
232 .get_fence_fd
= dri2_get_fence_fd
,
236 dri2_lookup_egl_image(struct dri_screen
*screen
, void *handle
)
238 const __DRIimageLookupExtension
*loader
= screen
->sPriv
->dri2
.image
;
241 if (!loader
->lookupEGLImage
)
244 img
= loader
->lookupEGLImage(screen
->sPriv
,
245 handle
, screen
->sPriv
->loaderPrivate
);
251 dri2_create_image_from_renderbuffer2(__DRIcontext
*context
,
252 int renderbuffer
, void *loaderPrivate
,
255 struct gl_context
*ctx
= ((struct st_context
*)dri_context(context
)->st
)->ctx
;
256 struct gl_renderbuffer
*rb
;
257 struct pipe_resource
*tex
;
260 /* Section 3.9 (EGLImage Specification and Management) of the EGL 1.5
261 * specification says:
263 * "If target is EGL_GL_RENDERBUFFER and buffer is not the name of a
264 * renderbuffer object, or if buffer is the name of a multisampled
265 * renderbuffer object, the error EGL_BAD_PARAMETER is generated."
267 * "If target is EGL_GL_TEXTURE_2D , EGL_GL_TEXTURE_CUBE_MAP_*,
268 * EGL_GL_RENDERBUFFER or EGL_GL_TEXTURE_3D and buffer refers to the
269 * default GL texture object (0) for the corresponding GL target, the
270 * error EGL_BAD_PARAMETER is generated."
271 * (rely on _mesa_lookup_renderbuffer returning NULL in this case)
273 rb
= _mesa_lookup_renderbuffer(ctx
, renderbuffer
);
274 if (!rb
|| rb
->NumSamples
> 0) {
275 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
279 tex
= st_get_renderbuffer_resource(rb
);
281 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
285 img
= CALLOC_STRUCT(__DRIimageRec
);
287 *error
= __DRI_IMAGE_ERROR_BAD_ALLOC
;
291 img
->dri_format
= driGLFormatToImageFormat(rb
->Format
);
292 img
->loader_private
= loaderPrivate
;
294 if (img
->dri_format
== __DRI_IMAGE_FORMAT_NONE
) {
295 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
300 pipe_resource_reference(&img
->texture
, tex
);
302 *error
= __DRI_IMAGE_ERROR_SUCCESS
;
307 dri2_create_image_from_renderbuffer(__DRIcontext
*context
,
308 int renderbuffer
, void *loaderPrivate
)
311 return dri2_create_image_from_renderbuffer2(context
, renderbuffer
,
312 loaderPrivate
, &error
);
316 dri2_destroy_image(__DRIimage
*img
)
318 pipe_resource_reference(&img
->texture
, NULL
);
324 dri2_create_from_texture(__DRIcontext
*context
, int target
, unsigned texture
,
325 int depth
, int level
, unsigned *error
,
329 struct gl_context
*ctx
= ((struct st_context
*)dri_context(context
)->st
)->ctx
;
330 struct gl_texture_object
*obj
;
331 struct pipe_resource
*tex
;
334 obj
= _mesa_lookup_texture(ctx
, texture
);
335 if (!obj
|| obj
->Target
!= target
) {
336 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
340 tex
= st_get_texobj_resource(obj
);
342 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
346 if (target
== GL_TEXTURE_CUBE_MAP
)
349 _mesa_test_texobj_completeness(ctx
, obj
);
350 if (!obj
->_BaseComplete
|| (level
> 0 && !obj
->_MipmapComplete
)) {
351 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
355 if (level
< obj
->BaseLevel
|| level
> obj
->_MaxLevel
) {
356 *error
= __DRI_IMAGE_ERROR_BAD_MATCH
;
360 if (target
== GL_TEXTURE_3D
&& obj
->Image
[face
][level
]->Depth
< depth
) {
361 *error
= __DRI_IMAGE_ERROR_BAD_MATCH
;
365 img
= CALLOC_STRUCT(__DRIimageRec
);
367 *error
= __DRI_IMAGE_ERROR_BAD_ALLOC
;
373 img
->dri_format
= driGLFormatToImageFormat(obj
->Image
[face
][level
]->TexFormat
);
375 img
->loader_private
= loaderPrivate
;
377 if (img
->dri_format
== __DRI_IMAGE_FORMAT_NONE
) {
378 *error
= __DRI_IMAGE_ERROR_BAD_PARAMETER
;
383 pipe_resource_reference(&img
->texture
, tex
);
385 *error
= __DRI_IMAGE_ERROR_SUCCESS
;
389 /* vim: set sw=3 ts=8 sts=3 expandtab: */