/* XXX LARGE pixmap? */
Bool
glamor_fixup_pixmap_priv(ScreenPtr screen, glamor_pixmap_private *pixmap_priv)
{
glamor_pixmap_fbo *old_fbo;
glamor_pixmap_fbo *new_fbo = NULL;
PixmapPtr scratch = NULL;
glamor_pixmap_private *scratch_priv;
DrawablePtr drawable;
GCPtr gc = NULL;
int ret = FALSE;
drawable = &pixmap_priv->base.pixmap->drawable;
if (!GLAMOR_PIXMAP_FBO_NOT_EXACT_SIZE(pixmap_priv))
return TRUE;
old_fbo = pixmap_priv->base.fbo;
if (!old_fbo)
return FALSE;
gc = GetScratchGC(drawable->depth, screen);
if (!gc)
goto fail;
scratch = glamor_create_pixmap(screen, drawable->width, drawable->height,
drawable->depth, GLAMOR_CREATE_PIXMAP_FIXUP);
scratch_priv = glamor_get_pixmap_private(scratch);
if (!scratch_priv->base.fbo)
goto fail;
ValidateGC(&scratch->drawable, gc);
glamor_copy_area(drawable,
&scratch->drawable,
gc, 0, 0, drawable->width, drawable->height, 0, 0);
old_fbo = glamor_pixmap_detach_fbo(pixmap_priv);
new_fbo = glamor_pixmap_detach_fbo(scratch_priv);
glamor_pixmap_attach_fbo(pixmap_priv->base.pixmap, new_fbo);
glamor_pixmap_attach_fbo(scratch, old_fbo);
DEBUGF("old %dx%d type %d\n",
drawable->width, drawable->height, pixmap_priv->type);
DEBUGF("copy tex %d %dx%d to tex %d %dx%d \n",
old_fbo->tex, old_fbo->width, old_fbo->height, new_fbo->tex,
new_fbo->width, new_fbo->height);
ret = TRUE;
fail:
if (gc)
FreeScratchGC(gc);
if (scratch)
glamor_destroy_pixmap(scratch);
return ret;
}
_X_EXPORT void
glamor_set_pixmap_texture(PixmapPtr pixmap, unsigned int tex)
{
ScreenPtr screen = pixmap->drawable.pScreen;
glamor_pixmap_private *pixmap_priv;
glamor_screen_private *glamor_priv;
glamor_pixmap_fbo *fbo;
GLenum format;
glamor_priv = glamor_get_screen_private(screen);
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (pixmap_priv->base.fbo) {
fbo = glamor_pixmap_detach_fbo(pixmap_priv);
glamor_destroy_fbo(fbo);
}
format = gl_iformat_for_pixmap(pixmap);
fbo = glamor_create_fbo_from_tex(glamor_priv, pixmap->drawable.width,
pixmap->drawable.height, format, tex, 0);
if (fbo == NULL) {
ErrorF("XXX fail to create fbo.\n");
return;
}
glamor_pixmap_attach_fbo(pixmap, fbo);
}
/*
* 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;
}
_X_EXPORT void
glamor_set_pixmap_private(PixmapPtr pixmap, glamor_pixmap_private *priv)
{
glamor_pixmap_private *old_priv;
glamor_pixmap_fbo *fbo;
old_priv = dixGetPrivate(&pixmap->devPrivates, &glamor_pixmap_private_key);
if (priv) {
assert(old_priv == NULL);
}
else {
if (old_priv == NULL)
return;
fbo = glamor_pixmap_detach_fbo(old_priv);
glamor_purge_fbo(fbo);
free(old_priv);
}
dixSetPrivate(&pixmap->devPrivates, &glamor_pixmap_private_key, priv);
}
