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Port zoom effect to XCB render

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Still strong usage of other XLib components.

REVIEW: 108652
This commit is contained in:
Martin Gräßlin 2013-01-29 10:10:07 +01:00
parent 29b36c87dd
commit e68f7f960b
1 changed files with 20 additions and 18 deletions
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38
effects/zoom/zoom.cpp
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@ -39,7 +39,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <KDE/KLocale>
#include <kwinglutils.h>
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
#include <kwinxrenderutils.h>
#include <xcb/render.h>
#endif
#include <X11/extensions/Xfixes.h>
#include <X11/Xcursor/Xcursor.h>
@ -255,15 +258,6 @@ void ZoomEffect::prePaintScreen(ScreenPrePaintData& data, int time)
effects->prePaintScreen(data, time);
}
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
static XTransform xrenderIdentity = {{
{ XDoubleToFixed( 1.0 ), XDoubleToFixed( 0.0 ), XDoubleToFixed( 0.0 ) },
{ XDoubleToFixed( 0.0 ), XDoubleToFixed( 1.0 ), XDoubleToFixed( 0.0 ) },
{ XDoubleToFixed( 0.0 ), XDoubleToFixed( 0.0 ), XDoubleToFixed( 1.0 ) }
}};
#endif
void ZoomEffect::paintScreen(int mask, QRegion region, ScreenPaintData& data)
{
if (zoom != 1.0) {
@ -349,18 +343,26 @@ void ZoomEffect::paintScreen(int mask, QRegion region, ScreenPaintData& data)
}
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
if (xrenderPicture) {
#define DOUBLE_TO_FIXED(d) ((xcb_render_fixed_t) ((d) * 65536))
static xcb_render_transform_t xrenderIdentity = {
DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0),
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0),
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1)
};
if (mousePointer == MousePointerScale) {
XRenderSetPictureFilter(display(), *xrenderPicture, const_cast<char*>("good"), NULL, 0);
XTransform xform = {{
{ XDoubleToFixed( 1.0 / zoom ), XDoubleToFixed( 0.0 ), XDoubleToFixed( 0.0 ) },
{ XDoubleToFixed( 0.0 ), XDoubleToFixed( 1.0 / zoom ), XDoubleToFixed( 0.0 ) },
{ XDoubleToFixed( 0.0 ), XDoubleToFixed( 0.0 ), XDoubleToFixed( 1.0 ) }
}};
XRenderSetPictureTransform( display(), *xrenderPicture, &xform );
xcb_render_set_picture_filter(connection(), *xrenderPicture, 4, const_cast<char*>("good"), 0, NULL);
const xcb_render_transform_t xform = {
DOUBLE_TO_FIXED(1.0 / zoom), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0),
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1.0 / zoom), DOUBLE_TO_FIXED(0),
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1)
};
xcb_render_set_picture_transform(connection(), *xrenderPicture, xform);
}
XRenderComposite(display(), PictOpOver, *xrenderPicture, None, effects->xrenderBufferPicture(), 0, 0, 0, 0, rect.x(), rect.y(), rect.width(), rect.height());
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, *xrenderPicture, XCB_RENDER_PICTURE_NONE,
effects->xrenderBufferPicture(), 0, 0, 0, 0, rect.x(), rect.y(), rect.width(), rect.height());
if (mousePointer == MousePointerScale)
XRenderSetPictureTransform( display(), *xrenderPicture, &xrenderIdentity );
xcb_render_set_picture_transform(connection(), *xrenderPicture, xrenderIdentity);
#undef DOUBLE_TO_FIXED
}
#endif
}