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st/egl: Implement get_egl_image hook.

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This hook may be used by rendering state trackers to implement EGLImage
extensions.
This commit is contained in:
Chia-I Wu 2010-03-12 09:56:11 +08:00
parent d605b0db4d
commit 776dc53f62
1 changed files with 32 additions and 0 deletions
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32
src/gallium/state_trackers/egl/common/egl_g3d_st.c
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@ -85,6 +85,37 @@ egl_g3d_create_st_api(enum st_api_type api)
return mod->create_api();
}
static boolean
egl_g3d_st_manager_get_egl_image(struct st_manager *smapi,
struct st_egl_image *stimg)
{
struct egl_g3d_st_manager *gsmapi = egl_g3d_st_manager(smapi);
EGLImageKHR handle = (EGLImageKHR) stimg->egl_image;
_EGLImage *img;
struct egl_g3d_image *gimg;
/* this is called from state trackers */
_eglLockMutex(&gsmapi->display->Mutex);
img = _eglLookupImage(handle, gsmapi->display);
if (!img) {
_eglUnlockMutex(&gsmapi->display->Mutex);
return FALSE;
}
gimg = egl_g3d_image(img);
stimg->texture = NULL;
pipe_texture_reference(&stimg->texture, gimg->texture);
stimg->face = gimg->face;
stimg->level = gimg->level;
stimg->zslice = gimg->zslice;
_eglUnlockMutex(&gsmapi->display->Mutex);
return TRUE;
}
struct st_manager *
egl_g3d_create_st_manager(_EGLDisplay *dpy)
{
@ -96,6 +127,7 @@ egl_g3d_create_st_manager(_EGLDisplay *dpy)
gsmapi->display = dpy;
gsmapi->base.screen = gdpy->native->screen;
gsmapi->base.get_egl_image = egl_g3d_st_manager_get_egl_image;
}
return &gsmapi->base;;