_X_EXPORT int
glamor_fd_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
{
glamor_pixmap_private *pixmap_priv;
glamor_screen_private *glamor_priv =
glamor_get_screen_private(pixmap->drawable.pScreen);
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (pixmap_priv == NULL || !glamor_priv->dri3_enabled)
return -1;
switch (pixmap_priv->type) {
case GLAMOR_TEXTURE_DRM:
case GLAMOR_TEXTURE_ONLY:
if (!glamor_pixmap_ensure_fbo(pixmap, GL_RGBA, 0))
return -1;
return glamor_egl_dri3_fd_name_from_tex(screen,
pixmap,
pixmap_priv->base.fbo->tex,
FALSE, stride, size);
default:
break;
}
return -1;
}
/*
* Prepare to upload a pixmap to texture memory.
* no_alpha equals 1 means the format needs to wire alpha to 1.
*/
static int
glamor_pixmap_upload_prepare(PixmapPtr pixmap, GLenum format, int no_alpha,
int revert, int swap_rb)
{
int flag = 0;
glamor_pixmap_private *pixmap_priv;
glamor_screen_private *glamor_priv;
glamor_pixmap_fbo *fbo;
GLenum iformat;
pixmap_priv = glamor_get_pixmap_private(pixmap);
glamor_priv = glamor_get_screen_private(pixmap->drawable.pScreen);
if (pixmap_priv->base.gl_fbo != GLAMOR_FBO_UNATTACHED)
return 0;
if (pixmap_priv->base.fbo
&& (pixmap_priv->base.fbo->width < pixmap->drawable.width
|| pixmap_priv->base.fbo->height < pixmap->drawable.height)) {
fbo = glamor_pixmap_detach_fbo(pixmap_priv);
glamor_destroy_fbo(fbo);
}
if (pixmap_priv->base.fbo && pixmap_priv->base.fbo->fb)
return 0;
if (!(no_alpha || (revert == REVERT_NORMAL)
|| (swap_rb != SWAP_NONE_UPLOADING))) {
/* We don't need a fbo, a simple texture uploading should work. */
flag = GLAMOR_CREATE_FBO_NO_FBO;
}
if ((flag == GLAMOR_CREATE_FBO_NO_FBO
&& pixmap_priv->base.fbo && pixmap_priv->base.fbo->tex)
|| (flag == 0 && pixmap_priv->base.fbo && pixmap_priv->base.fbo->fb))
return 0;
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP)
iformat = gl_iformat_for_pixmap(pixmap);
else
iformat = format;
if (!glamor_pixmap_ensure_fbo(pixmap, iformat, flag))
return -1;
return 0;
}
int
glamor_name_from_pixmap(PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
{
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
glamor_screen_private *glamor_priv =
glamor_get_screen_private(pixmap->drawable.pScreen);
switch (pixmap_priv->type) {
case GLAMOR_TEXTURE_DRM:
case GLAMOR_TEXTURE_ONLY:
if (!glamor_pixmap_ensure_fbo(pixmap, GL_RGBA, 0))
return -1;
return glamor_egl_dri3_fd_name_from_tex(pixmap->drawable.pScreen,
pixmap,
pixmap_priv->fbo->tex,
TRUE, stride, size);
default:
break;
}
return -1;
}
