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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 <vl_winsys.h>
#include <X11/Xlibint.h>
#include <state_tracker/xlib_sw_winsys.h>
#include <util/u_memory.h>
#include <util/u_format.h>
#include <softpipe/sp_public.h>
#include <softpipe/sp_video_context.h>
struct vl_xsp_screen
{
struct vl_screen base;
Display *display;
int screen;
Visual visual;
struct xlib_drawable xdraw;
struct pipe_surface *drawable_surface;
};
struct pipe_surface*
vl_drawable_surface_get(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, *drawable_tex;
struct pipe_surface *drawable_surface = NULL;
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->drawable_surface) {
if (xsp_screen->drawable_surface->width == width &&
xsp_screen->drawable_surface->height == height) {
pipe_surface_reference(&drawable_surface, xsp_screen->drawable_surface);
return drawable_surface;
}
else
pipe_surface_reference(&xsp_screen->drawable_surface, NULL);
}
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;
drawable_tex = vscreen->pscreen->resource_create(vscreen->pscreen, &templat);
if (!drawable_tex)
return NULL;
xsp_screen->drawable_surface = vscreen->pscreen->get_tex_surface(vscreen->pscreen, drawable_tex,
0, 0, 0,
templat.bind);
pipe_resource_reference(&drawable_tex, NULL);
if (!xsp_screen->drawable_surface)
return NULL;
pipe_surface_reference(&drawable_surface, xsp_screen->drawable_surface);
xsp_screen->xdraw.depth = 24/*util_format_get_blocksizebits(templat.format) /
util_format_get_blockwidth(templat.format)*/;
return drawable_surface;
}
void*
vl_contextprivate_get(struct vl_context *vctx, struct pipe_surface *drawable_surface)
{
struct vl_xsp_screen *xsp_screen = (struct vl_xsp_screen*)vctx->vscreen;
assert(vctx);
assert(drawable_surface);
assert(xsp_screen->drawable_surface == drawable_surface);
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);
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_surface_reference(&xsp_screen->drawable_surface, NULL);
vscreen->pscreen->destroy(vscreen->pscreen);
FREE(vscreen);
}
struct vl_context*
vl_video_create(struct vl_screen *vscreen,
enum pipe_video_profile profile,
enum pipe_video_chroma_format chroma_format,
unsigned width, unsigned height)
{
struct pipe_video_context *vpipe;
struct vl_context *vctx;
assert(vscreen);
assert(width && height);
assert(vscreen->pscreen->video_context_create);
vpipe = vscreen->pscreen->video_context_create(vscreen->pscreen,
profile,
chroma_format,
width, height, NULL);
if (!vpipe)
return NULL;
vctx = CALLOC_STRUCT(vl_context);
if (!vctx) {
vpipe->destroy(vpipe);
return NULL;
}
vpipe->priv = vctx;
vctx->vpipe = vpipe;
vctx->vscreen = vscreen;
return vctx;
}
void vl_video_destroy(struct vl_context *vctx)
{
assert(vctx);
vctx->vpipe->destroy(vctx->vpipe);
FREE(vctx);
}
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