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https://github.com/tiagovignatti/intel-gpu-tools.git
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overlay: Add a X11 window backend
Useful for remote hosts. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
parent
1c1a279806
commit
34e4780c8e
13
configure.ac
13
configure.ac
@ -72,9 +72,18 @@ AC_SUBST(ASSEMBLER_WARN_CFLAGS)
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PKG_CHECK_MODULES(DRM, [libdrm_intel >= 2.4.45 libdrm])
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PKG_CHECK_MODULES(PCIACCESS, [pciaccess >= 0.10])
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PKG_CHECK_MODULES(OVERLAY, [xv x11 xext], enable_overlay=yes, enable_overlay=no)
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PKG_CHECK_MODULES(OVERLAY_XVLIB, [xv x11 xext], enable_overlay_xvlib=yes, enable_overlay_xvlib=no)
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PKG_CHECK_MODULES(OVERLAY_XLIB, [cairo-xlib], enable_overlay_xlib=yes, enable_overlay_xlib=no)
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AM_CONDITIONAL(BUILD_OVERLAY, [test "x$enable_overlay" = xyes])
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AM_CONDITIONAL(BUILD_OVERLAY_XVLIB, [test "x$enable_overlay_xvlib" = xyes])
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AM_CONDITIONAL(BUILD_OVERLAY_XLIB, [test "x$enable_overlay_xlib" = xyes])
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AM_CONDITIONAL(BUILD_OVERLAY, [test "x$enable_overlay_xlib" = xyes -o "x$enable_overlay_xvlib"])
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if test x$enable_overlay_xvlib = xyes; then
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AC_DEFINE(HAVE_OVERLAY_XVLIB, 1, [Enable XV backend])
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fi
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if test x$enable_overlay_xlib = xyes; then
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AC_DEFINE(HAVE_OVERLAY_XLIB, 1, [Enable X backend])
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fi
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# for testdisplay
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PKG_CHECK_MODULES(CAIRO, [cairo >= 1.12.0])
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@ -23,11 +23,26 @@ intel_gpu_overlay_SOURCES = \
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gpu-freq.c \
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igfx.h \
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igfx.c \
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$(NULL)
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if BUILD_OVERLAY_XLIB
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AM_CFLAGS += $(OVERLAY_XLIB_CFLAGS)
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LDADD += $(OVERLAY_XLIB_LIBS)
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intel_gpu_overlay_SOURCES += \
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x11/x11-window.c \
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$(NULL)
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endif
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if BUILD_OVERLAY_XVLIB
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AM_CFLAGS += $(OVERLAY_XVLIB_CFLAGS)
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LDADD += $(OVERLAY_XVLIB_LIBS)
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intel_gpu_overlay_SOURCES += \
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x11/dri2.c \
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x11/dri2.h \
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x11/rgb2yuv.c \
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x11/rgb2yuv.h \
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x11/x11-overlay.c \
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$(NULL)
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endif
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EXTRA_DIST=README
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@ -23,6 +23,8 @@ static void overlay_show(cairo_surface_t *surface)
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{
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struct overlay *overlay;
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cairo_surface_flush(surface);
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overlay = cairo_surface_get_user_data(surface, &overlay_key);
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if (overlay == NULL)
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return;
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@ -510,6 +512,8 @@ int main(int argc, char **argv)
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ctx.width = 640;
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ctx.height = 236;
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ctx.surface = x11_overlay_create(POS_TOP_RIGHT, &ctx.width, &ctx.height);
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if (ctx.surface == NULL)
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ctx.surface = x11_window_create(POS_TOP_RIGHT, &ctx.width, &ctx.height);
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if (ctx.surface == NULL)
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return ENOMEM;
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@ -1,3 +1,7 @@
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#ifdef HAVE_CONFIG_H
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#include"config.h"
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#endif
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#include <cairo.h>
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enum position {
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@ -33,5 +37,16 @@ struct overlay {
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extern const cairo_user_data_key_t overlay_key;
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#ifdef HAVE_OVERLAY_XVLIB
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cairo_surface_t *x11_overlay_create(enum position pos, int *width, int *height);
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void x11_overlay_stop(void);
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#else
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static inline cairo_surface_t *x11_overlay_create(enum position pos, int *width, int *height) { return NULL; }
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static inline void x11_overlay_stop(void) { }
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#endif
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#ifdef HAVE_OVERLAY_XLIB
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cairo_surface_t *x11_window_create(enum position pos, int *width, int *height);
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#else
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static inline cairo_surface_t *x11_window_create(enum position pos, int *width, int *height) { return NULL; }
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#endif
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186
overlay/x11/x11-window.c
Normal file
186
overlay/x11/x11-window.c
Normal file
@ -0,0 +1,186 @@
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#include <X11/Xlib.h>
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#include <cairo.h>
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#include <cairo-xlib.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <string.h>
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#include <unistd.h>
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#include "../overlay.h"
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struct x11_window {
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struct overlay base;
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Display *dpy;
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Window win;
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int width, height;
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int visible;
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};
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static inline struct x11_window *to_x11_window(struct overlay *o)
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{
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return (struct x11_window *)o;
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}
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static int noop(Display *dpy, XErrorEvent *event)
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{
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return 0;
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}
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static void x11_window_show(struct overlay *overlay)
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{
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struct x11_window *priv = to_x11_window(overlay);
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if (!priv->visible) {
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XMapWindow(priv->dpy, priv->win);
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priv->visible = true;
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}
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XFlush(priv->dpy);
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}
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static void x11_window_position(struct overlay *overlay,
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enum position p)
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{
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struct x11_window *priv = to_x11_window(overlay);
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Screen *scr = ScreenOfDisplay(priv->dpy, DefaultScreen(priv->dpy));
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int x, y;
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switch (p & 7) {
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default:
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case 0: x = 0; break;
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case 1: x = (scr->width - priv->width)/2; break;
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case 2: x = scr->width - priv->width; break;
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}
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switch ((p >> 4) & 7) {
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default:
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case 0: y = 0; break;
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case 1: y = (scr->height - priv->height)/2; break;
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case 2: y = scr->height - priv->height; break;
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}
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if (priv->visible) {
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XMoveWindow(priv->dpy, priv->win, x, y);
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XFlush(priv->dpy);
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}
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}
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static void x11_window_hide(struct overlay *overlay)
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{
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struct x11_window *priv = to_x11_window(overlay);
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if (priv->visible) {
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XUnmapWindow(priv->dpy, priv->win);
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XFlush(priv->dpy);
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priv->visible = false;
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}
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}
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static void x11_window_destroy(void *data)
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{
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struct x11_window *priv = data;
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XDestroyWindow(priv->dpy, priv->win);
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XCloseDisplay(priv->dpy);
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free(priv);
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}
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cairo_surface_t *
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x11_window_create(enum position position, int *width, int *height)
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{
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Display *dpy;
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Screen *scr;
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Window win;
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int screen;
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cairo_surface_t *surface;
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XSetWindowAttributes attr;
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struct x11_window *priv;
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int x, y, w, h;
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dpy = XOpenDisplay(NULL);
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if (dpy == NULL)
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return NULL;
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screen = DefaultScreen(dpy);
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scr = XScreenOfDisplay(dpy, screen);
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XSetErrorHandler(noop);
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if (*width == -1) {
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w = scr->width;
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switch (position & 7) {
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default:
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case 0:
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case 2: w >>= 1; break;
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}
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} else if (*width > scr->width) {
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w = scr->width;
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} else
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w = *width;
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if (*height == -1) {
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h = scr->height;
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switch ((position >> 4) & 7) {
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default:
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case 0:
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case 2: h >>= 1; break;
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}
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} else if (*height > scr->height)
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h = scr->height;
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else
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h = *height;
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switch (position & 7) {
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default:
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case 0: x = 0; break;
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case 1: x = (scr->width - w)/2; break;
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case 2: x = scr->width - w; break;
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}
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switch ((position >> 4) & 7) {
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default:
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case 0: y = 0; break;
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case 1: y = (scr->height - h)/2; break;
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case 2: y = scr->height - h; break;
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}
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attr.override_redirect = True;
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win = XCreateWindow(dpy, DefaultRootWindow(dpy),
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x, y, w, h, 0,
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DefaultDepth(dpy, screen),
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InputOutput,
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DefaultVisual(dpy, screen),
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CWOverrideRedirect, &attr);
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surface = cairo_xlib_surface_create(dpy, win, DefaultVisual (dpy, screen), w, h);
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if (cairo_surface_status(surface))
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goto err_win;
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priv = malloc(sizeof(*priv));
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if (priv == NULL)
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goto err_surface;
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priv->base.surface = surface;
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priv->base.show = x11_window_show;
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priv->base.position = x11_window_position;
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priv->base.hide = x11_window_hide;
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priv->dpy = dpy;
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priv->win = win;
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priv->visible = false;
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priv->width = w;
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priv->height = h;
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cairo_surface_set_user_data(surface, &overlay_key, priv, x11_window_destroy);
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*width = w;
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*height = h;
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return surface;
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err_surface:
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cairo_surface_destroy(surface);
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err_win:
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XDestroyWindow(dpy, win);
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XCloseDisplay(dpy);
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return NULL;
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}
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