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FX: Use xrender when available 

Maybe slightly faster. Mostly for fun.
This commit is contained in:
Kim Woelders 2014-04-21 21:37:06 +02:00
parent 34d1de3984
commit 8c9d306fc1
1 changed files with 56 additions and 0 deletions
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56
src/fx.c
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@ -25,6 +25,10 @@
#include <math.h>
#include <X11/Xlib.h>
#if USE_XRENDER
#define FX_USE_RENDER 1
#include <X11/extensions/Xrender.h>
#endif
#include "E.h"
#include "animation.h"
@ -59,7 +63,15 @@ typedef struct {
EX_Pixmap above;
int count;
float incv, inch, incx;
#if FX_USE_RENDER
EX_Picture pict_buf;
EX_Picture pict_win;
#if USE_COMPOSITE
EX_Picture pict_win_clip;
#endif
#else
GC gc1;
#endif
} FXData;
static void
@ -80,17 +92,33 @@ _FxSetup(FXData * d, unsigned int height)
d->root = EobjGetXwin(bgeo);
d->above = ECreatePixmap(d->win, WinGetW(VROOT), height, 0);
#if FX_USE_RENDER
XRenderPictureAttributes pa;
d->pict_buf = EPictureCreate(NULL, d->above);
d->pict_win = EPictureCreate(NULL, d->root);
#if USE_COMPOSITE
d->pict_win_clip = EPictureCreate(NULL, d->root);
#endif
pa.subwindow_mode = ClipByChildren;
XRenderChangePicture(disp, d->pict_win, CPSubwindowMode, &pa);
#else
XGCValues xgcv;
xgcv.subwindow_mode = ClipByChildren;
if (!d->gc1)
d->gc1 = EXCreateGC(d->root, GCSubwindowMode, &xgcv);
#endif
}
#if USE_COMPOSITE
#if FX_USE_RENDER
EPictureSetClip(d->pict_win_clip, ECompMgrChildClipRegion());
#else
/* As of composite 0.4 we need to set the clip region */
EGCSetClip(d->gc1, ECompMgrChildClipRegion());
#endif
#endif
}
static void
@ -104,7 +132,15 @@ _FxCleanup(FXData * d, int h)
}
else
{
#if FX_USE_RENDER
EPictureDestroy(d->pict_buf);
EPictureDestroy(d->pict_win);
#if USE_COMPOSITE
EPictureDestroy(d->pict_win_clip);
#endif
#else
EXFreeGC(d->gc1);
#endif
EClearArea(d->win, 0, WinGetH(VROOT) - h, WinGetW(VROOT), h);
#if USE_COMPOSITE
@ -119,6 +155,25 @@ _FxCopyArea(FXData * d, int out, int src_x, int src_y, int dst_x, int dst_y,
{
EX_ID src, dst;
#if FX_USE_RENDER
if (out)
{
src = d->pict_buf;
#if USE_COMPOSITE
dst = d->pict_win_clip;
#else
dst = d->pict_win;
#endif
}
else
{
src = d->pict_win;
dst = d->pict_buf;
}
XRenderComposite(disp, PictOpSrc, src, NoXID, dst,
src_x, src_y, 0, 0, dst_x, dst_y, width, height);
#else
if (out)
{
src = d->above;
@ -134,6 +189,7 @@ _FxCopyArea(FXData * d, int out, int src_x, int src_y, int dst_x, int dst_y,
EXCopyArea(src, dst, src_x, src_y, width, height, dst_x, dst_y);
}
#endif
}
/****************************** RIPPLES *************************************/