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/**************************************************************************
*
* Copyright 2009 Younes Manton.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "pipe/p_state.h"
#include "util/u_memory.h"
#include "util/u_format.h"
#include "util/u_inlines.h"
#include "state_tracker/xlib_sw_winsys.h"
#include "softpipe/sp_public.h"
#include "vl/vl_compositor.h"
#include "vl_winsys.h"
struct vl_xsp_screen
{
struct vl_screen base;
Display *display;
int screen;
Visual visual;
struct xlib_drawable xdraw;
struct pipe_resource *tex;
struct u_rect dirty_area;
};
struct pipe_resource*
vl_screen_texture_from_drawable(struct vl_screen *vscreen, Drawable drawable)
{
struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
Window root;
int x, y;
unsigned int width, height;
unsigned int border_width;
unsigned int depth;
struct pipe_resource templat;
assert(vscreen);
assert(drawable != None);
if (XGetGeometry(xsp_screen->display, drawable, &root, &x, &y, &width, &height, &border_width, &depth) == BadDrawable)
return NULL;
xsp_screen->xdraw.drawable = drawable;
if (xsp_screen->tex) {
if (xsp_screen->tex->width0 == width && xsp_screen->tex->height0 == height)
return xsp_screen->tex;
pipe_resource_reference(&xsp_screen->tex, NULL);
vl_compositor_reset_dirty_area(&xsp_screen->dirty_area);
}
memset(&templat, 0, sizeof(struct pipe_resource));
templat.target = PIPE_TEXTURE_2D;
/* XXX: Need to figure out drawable's format */
templat.format = PIPE_FORMAT_B8G8R8X8_UNORM;
templat.last_level = 0;
templat.width0 = width;
templat.height0 = height;
templat.depth0 = 1;
templat.usage = PIPE_USAGE_DEFAULT;
templat.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET;
templat.flags = 0;
xsp_screen->xdraw.depth = 24/*util_format_get_blocksizebits(templat.format) /
util_format_get_blockwidth(templat.format)*/;
pipe_resource_reference(&xsp_screen->tex, vscreen->pscreen->resource_create(vscreen->pscreen, &templat));
return xsp_screen->tex;
}
struct u_rect *
vl_screen_get_dirty_area(struct vl_screen *vscreen)
{
struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
return &xsp_screen->dirty_area;
}
void*
vl_screen_get_private(struct vl_screen *vscreen)
{
struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
return &xsp_screen->xdraw;
}
struct vl_screen*
vl_screen_create(Display *display, int screen)
{
struct vl_xsp_screen *xsp_screen;
struct sw_winsys *winsys;
assert(display);
xsp_screen = CALLOC_STRUCT(vl_xsp_screen);
if (!xsp_screen)
return NULL;
winsys = xlib_create_sw_winsys(display);
if (!winsys) {
FREE(xsp_screen);
return NULL;
}
xsp_screen->base.pscreen = softpipe_create_screen(winsys);
if (!xsp_screen->base.pscreen) {
winsys->destroy(winsys);
FREE(xsp_screen);
return NULL;
}
xsp_screen->display = display;
xsp_screen->screen = screen;
xsp_screen->xdraw.visual = XDefaultVisual(display, screen);
vl_compositor_reset_dirty_area(&xsp_screen->dirty_area);
return &xsp_screen->base;
}
void vl_screen_destroy(struct vl_screen *vscreen)
{
struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vscreen;
assert(vscreen);
pipe_resource_reference(&xsp_screen->tex, NULL);
vscreen->pscreen->destroy(vscreen->pscreen);
FREE(vscreen);
}
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