diff options
author | Holger Hans Peter Freyther <holger@moiji-mobile.com> | 2011-09-29 18:10:15 +0200 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2011-10-21 16:54:45 +0200 |
commit | b1c803a925cc6cfb78598066f735e54a007d57a3 (patch) | |
tree | ca627b3ad653c9a64fa8130bc2cf181f01b21989 /src/plugins/platforms/directfb/qdirectfbblitter.cpp | |
parent | d43775b93b7f0b2968c94a345e1c45bed5e63dbc (diff) |
[directfb] Prepare to select the alpha/opaque pixel formats
Right now we assume to use 32bpp but depending on the hardware
this might not be optimal at all. Begin to prepare the code for
not having a 32bpp surfaces.
Change-Id: Iedfa49c568559e074dfaeae2a216c9eb93721d2c
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>
Diffstat (limited to 'src/plugins/platforms/directfb/qdirectfbblitter.cpp')
-rw-r--r-- | src/plugins/platforms/directfb/qdirectfbblitter.cpp | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/plugins/platforms/directfb/qdirectfbblitter.cpp b/src/plugins/platforms/directfb/qdirectfbblitter.cpp index fcca7dd840..bd31982d42 100644 --- a/src/plugins/platforms/directfb/qdirectfbblitter.cpp +++ b/src/plugins/platforms/directfb/qdirectfbblitter.cpp @@ -74,11 +74,11 @@ QDirectFbBlitter::QDirectFbBlitter(const QSize &rect, bool alpha) if (alpha) { surfaceDesc.caps = DSCAPS_PREMULTIPLIED; - surfaceDesc.pixelformat = DSPF_ARGB; + surfaceDesc.pixelformat = QDirectFbBlitter::alphaPixmapFormat(); surfaceDesc.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_CAPS | DSDESC_PIXELFORMAT); } else { surfaceDesc.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT); - surfaceDesc.pixelformat = DSPF_RGB32; + surfaceDesc.pixelformat = QDirectFbBlitter::pixmapFormat(); } @@ -92,6 +92,21 @@ QDirectFbBlitter::~QDirectFbBlitter() unlock(); } +DFBSurfacePixelFormat QDirectFbBlitter::alphaPixmapFormat() +{ + return DSPF_ARGB; +} + +DFBSurfacePixelFormat QDirectFbBlitter::pixmapFormat() +{ + return DSPF_RGB32; +} + +DFBSurfacePixelFormat QDirectFbBlitter::selectPixmapFormat(bool withAlpha) +{ + return withAlpha ? alphaPixmapFormat() : pixmapFormat(); +} + void QDirectFbBlitter::fillRect(const QRectF &rect, const QColor &color) { m_surface->SetColor(m_surface.data(), color.red(), color.green(), color.blue(), color.alpha()); |