2 * Mesa 3-D graphics library
5 * Copyright (C) 2010 LunarG Inc.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
26 * Chia-I Wu <olv@lunarg.com>
29 #include "util/u_memory.h"
30 #include "util/u_inlines.h"
31 #include "util/u_dl.h"
36 #include "egl_g3d_st.h"
38 struct egl_g3d_st_manager
{
39 struct st_manager base
;
43 static INLINE
struct egl_g3d_st_manager
*
44 egl_g3d_st_manager(struct st_manager
*smapi
)
46 return (struct egl_g3d_st_manager
*) smapi
;
50 egl_g3d_create_st_api(enum st_api_type api
)
52 const char *stmod_name
;
53 struct util_dl_library
*lib
;
54 const struct st_module
*mod
;
58 stmod_name
= ST_MODULE_OPENGL_SYMBOL
;
60 case ST_API_OPENGL_ES1
:
61 stmod_name
= ST_MODULE_OPENGL_ES1_SYMBOL
;
63 case ST_API_OPENGL_ES2
:
64 stmod_name
= ST_MODULE_OPENGL_ES2_SYMBOL
;
67 stmod_name
= ST_MODULE_OPENVG_SYMBOL
;
77 lib
= util_dl_open(NULL
);
79 mod
= (const struct st_module
*)
80 util_dl_get_proc_address(lib
, stmod_name
);
83 if (!mod
|| mod
->api
!= api
)
86 return mod
->create_api();
90 egl_g3d_st_manager_get_egl_image(struct st_manager
*smapi
,
91 struct st_egl_image
*stimg
)
93 struct egl_g3d_st_manager
*gsmapi
= egl_g3d_st_manager(smapi
);
94 EGLImageKHR handle
= (EGLImageKHR
) stimg
->egl_image
;
96 struct egl_g3d_image
*gimg
;
98 /* this is called from state trackers */
99 _eglLockMutex(&gsmapi
->display
->Mutex
);
101 img
= _eglLookupImage(handle
, gsmapi
->display
);
103 _eglUnlockMutex(&gsmapi
->display
->Mutex
);
107 gimg
= egl_g3d_image(img
);
109 stimg
->texture
= NULL
;
110 pipe_resource_reference(&stimg
->texture
, gimg
->texture
);
111 stimg
->face
= gimg
->face
;
112 stimg
->level
= gimg
->level
;
113 stimg
->zslice
= gimg
->zslice
;
115 _eglUnlockMutex(&gsmapi
->display
->Mutex
);
121 egl_g3d_create_st_manager(_EGLDisplay
*dpy
)
123 struct egl_g3d_display
*gdpy
= egl_g3d_display(dpy
);
124 struct egl_g3d_st_manager
*gsmapi
;
126 gsmapi
= CALLOC_STRUCT(egl_g3d_st_manager
);
128 gsmapi
->display
= dpy
;
130 gsmapi
->base
.screen
= gdpy
->native
->screen
;
131 gsmapi
->base
.get_egl_image
= egl_g3d_st_manager_get_egl_image
;
134 return &gsmapi
->base
;;
138 egl_g3d_destroy_st_manager(struct st_manager
*smapi
)
140 struct egl_g3d_st_manager
*gsmapi
= egl_g3d_st_manager(smapi
);
145 egl_g3d_st_framebuffer_flush_front_pbuffer(struct st_framebuffer_iface
*stfbi
,
146 enum st_attachment_type statt
)
152 egl_g3d_st_framebuffer_validate_pbuffer(struct st_framebuffer_iface
*stfbi
,
153 const enum st_attachment_type
*statts
,
155 struct pipe_resource
**out
)
157 _EGLSurface
*surf
= (_EGLSurface
*) stfbi
->st_manager_private
;
158 struct egl_g3d_surface
*gsurf
= egl_g3d_surface(surf
);
159 struct pipe_resource templ
;
162 for (i
= 0; i
< count
; i
++) {
165 if (gsurf
->stvis
.render_buffer
!= statts
[i
])
168 if (!gsurf
->render_texture
) {
169 struct egl_g3d_display
*gdpy
=
170 egl_g3d_display(gsurf
->base
.Resource
.Display
);
171 struct pipe_screen
*screen
= gdpy
->native
->screen
;
173 memset(&templ
, 0, sizeof(templ
));
174 templ
.target
= PIPE_TEXTURE_2D
;
175 templ
.last_level
= 0;
176 templ
.width0
= gsurf
->base
.Width
;
177 templ
.height0
= gsurf
->base
.Height
;
179 templ
.format
= gsurf
->stvis
.color_format
;
180 templ
.bind
= PIPE_BIND_RENDER_TARGET
;
182 gsurf
->render_texture
= screen
->resource_create(screen
, &templ
);
185 pipe_resource_reference(&out
[i
], gsurf
->render_texture
);
192 egl_g3d_st_framebuffer_flush_front(struct st_framebuffer_iface
*stfbi
,
193 enum st_attachment_type statt
)
195 _EGLSurface
*surf
= (_EGLSurface
*) stfbi
->st_manager_private
;
196 struct egl_g3d_surface
*gsurf
= egl_g3d_surface(surf
);
198 return gsurf
->native
->flush_frontbuffer(gsurf
->native
);
202 egl_g3d_st_framebuffer_validate(struct st_framebuffer_iface
*stfbi
,
203 const enum st_attachment_type
*statts
,
205 struct pipe_resource
**out
)
207 _EGLSurface
*surf
= (_EGLSurface
*) stfbi
->st_manager_private
;
208 struct egl_g3d_surface
*gsurf
= egl_g3d_surface(surf
);
209 struct pipe_resource
*textures
[NUM_NATIVE_ATTACHMENTS
];
210 uint attachment_mask
= 0;
213 for (i
= 0; i
< count
; i
++) {
217 case ST_ATTACHMENT_FRONT_LEFT
:
218 natt
= NATIVE_ATTACHMENT_FRONT_LEFT
;
220 case ST_ATTACHMENT_BACK_LEFT
:
221 natt
= NATIVE_ATTACHMENT_BACK_LEFT
;
223 case ST_ATTACHMENT_FRONT_RIGHT
:
224 natt
= NATIVE_ATTACHMENT_FRONT_RIGHT
;
226 case ST_ATTACHMENT_BACK_RIGHT
:
227 natt
= NATIVE_ATTACHMENT_BACK_RIGHT
;
235 attachment_mask
|= 1 << natt
;
238 if (!gsurf
->native
->validate(gsurf
->native
, attachment_mask
,
239 &gsurf
->sequence_number
, textures
, &gsurf
->base
.Width
,
240 &gsurf
->base
.Height
))
243 for (i
= 0; i
< count
; i
++) {
244 struct pipe_resource
*tex
;
248 case ST_ATTACHMENT_FRONT_LEFT
:
249 natt
= NATIVE_ATTACHMENT_FRONT_LEFT
;
251 case ST_ATTACHMENT_BACK_LEFT
:
252 natt
= NATIVE_ATTACHMENT_BACK_LEFT
;
254 case ST_ATTACHMENT_FRONT_RIGHT
:
255 natt
= NATIVE_ATTACHMENT_FRONT_RIGHT
;
257 case ST_ATTACHMENT_BACK_RIGHT
:
258 natt
= NATIVE_ATTACHMENT_BACK_RIGHT
;
266 tex
= textures
[natt
];
268 if (statts
[i
] == stfbi
->visual
->render_buffer
)
269 pipe_resource_reference(&gsurf
->render_texture
, tex
);
271 if (attachment_mask
& (1 << natt
)) {
272 /* transfer the ownership to the caller */
274 attachment_mask
&= ~(1 << natt
);
277 /* the attachment is listed more than once */
278 pipe_resource_reference(&out
[i
], tex
);
286 struct st_framebuffer_iface
*
287 egl_g3d_create_st_framebuffer(_EGLSurface
*surf
)
289 struct egl_g3d_surface
*gsurf
= egl_g3d_surface(surf
);
290 struct st_framebuffer_iface
*stfbi
;
292 stfbi
= CALLOC_STRUCT(st_framebuffer_iface
);
296 stfbi
->visual
= &gsurf
->stvis
;
297 if (gsurf
->base
.Type
!= EGL_PBUFFER_BIT
) {
298 stfbi
->flush_front
= egl_g3d_st_framebuffer_flush_front
;
299 stfbi
->validate
= egl_g3d_st_framebuffer_validate
;
302 stfbi
->flush_front
= egl_g3d_st_framebuffer_flush_front_pbuffer
;
303 stfbi
->validate
= egl_g3d_st_framebuffer_validate_pbuffer
;
305 stfbi
->st_manager_private
= (void *) &gsurf
->base
;
311 egl_g3d_destroy_st_framebuffer(struct st_framebuffer_iface
*stfbi
)