0,0 → 1,139 |
/* |
* Copyright (c) 2012 Intel Corporation. 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 PRECISION INSIGHT 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 <stdio.h> |
#include <stdbool.h> |
#include <va/va_x11.h> |
#include "va_display.h" |
|
static Display *x11_display; |
static Window x11_window; |
|
static VADisplay |
va_open_display_x11(void) |
{ |
x11_display = XOpenDisplay(NULL); |
if (!x11_display) { |
fprintf(stderr, "error: can't connect to X server!\n"); |
return NULL; |
} |
return vaGetDisplay(x11_display); |
} |
|
static void |
va_close_display_x11(VADisplay va_dpy) |
{ |
if (!x11_display) |
return; |
|
if (x11_window) { |
XUnmapWindow(x11_display, x11_window); |
XDestroyWindow(x11_display, x11_window); |
x11_window = None; |
} |
XCloseDisplay(x11_display); |
x11_display = NULL; |
} |
|
static int |
ensure_window(unsigned int width, unsigned int height) |
{ |
Window win, rootwin; |
unsigned int black_pixel, white_pixel; |
int screen; |
|
if (!x11_display) |
return 0; |
|
if (x11_window) { |
XResizeWindow(x11_display, x11_window, width, height); |
return 1; |
} |
|
screen = DefaultScreen(x11_display); |
rootwin = RootWindow(x11_display, screen); |
black_pixel = BlackPixel(x11_display, screen); |
white_pixel = WhitePixel(x11_display, screen); |
|
win = XCreateSimpleWindow( |
x11_display, |
rootwin, |
0, 0, width, height, |
1, black_pixel, white_pixel |
); |
if (!win) |
return 0; |
x11_window = win; |
|
XMapWindow(x11_display, x11_window); |
XSync(x11_display, False); |
return 1; |
} |
|
static inline bool |
validate_rect(const VARectangle *rect) |
{ |
return (rect && |
rect->x >= 0 && |
rect->y >= 0 && |
rect->width > 0 && |
rect->height > 0); |
} |
|
static VAStatus |
va_put_surface_x11( |
VADisplay va_dpy, |
VASurfaceID surface, |
const VARectangle *src_rect, |
const VARectangle *dst_rect |
) |
{ |
unsigned int win_width, win_height; |
|
if (!va_dpy) |
return VA_STATUS_ERROR_INVALID_DISPLAY; |
if (surface == VA_INVALID_SURFACE) |
return VA_STATUS_ERROR_INVALID_SURFACE; |
if (!validate_rect(src_rect) || !validate_rect(dst_rect)) |
return VA_STATUS_ERROR_INVALID_PARAMETER; |
|
win_width = dst_rect->x + dst_rect->width; |
win_height = dst_rect->y + dst_rect->height; |
if (!ensure_window(win_width, win_height)) |
return VA_STATUS_ERROR_ALLOCATION_FAILED; |
return vaPutSurface(va_dpy, surface, x11_window, |
src_rect->x, src_rect->y, |
src_rect->width, src_rect->height, |
dst_rect->x, dst_rect->y, |
dst_rect->width, dst_rect->height, |
NULL, 0, |
VA_FRAME_PICTURE); |
} |
|
const VADisplayHooks va_display_hooks_x11 = { |
"x11", |
va_open_display_x11, |
va_close_display_x11, |
va_put_surface_x11, |
}; |