diff options
Diffstat (limited to 'src/quickcl/qquickclcontext.cpp')
| -rw-r--r-- | src/quickcl/qquickclcontext.cpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/quickcl/qquickclcontext.cpp b/src/quickcl/qquickclcontext.cpp index 7aae3fa..9d63fec 100644 --- a/src/quickcl/qquickclcontext.cpp +++ b/src/quickcl/qquickclcontext.cpp @@ -397,4 +397,65 @@ cl_program QQuickCLContext::buildProgramFromFile(const QString &filename) return buildProgram(f.readAll()); } +/*! + Returns a matching OpenCL image format for the given QImage \a format. + */ +cl_image_format QQuickCLContext::toCLImageFormat(QImage::Format format) +{ + cl_image_format fmt; + + switch (format) { + case QImage::Format_Indexed8: + fmt.image_channel_order = CL_A; + fmt.image_channel_data_type = CL_UNORM_INT8; + break; + + case QImage::Format_RGB32: + case QImage::Format_ARGB32: + case QImage::Format_ARGB32_Premultiplied: + if (QSysInfo::ByteOrder == QSysInfo::LittleEndian) { + fmt.image_channel_order = CL_BGRA; + fmt.image_channel_data_type = CL_UNORM_INT8; + } else { + fmt.image_channel_order = CL_ARGB; + fmt.image_channel_data_type = CL_UNORM_INT8; + } + break; + + case QImage::Format_RGB16: + fmt.image_channel_order = CL_RGB; + fmt.image_channel_data_type = CL_UNORM_SHORT_565; + break; + + case QImage::Format_RGB555: + fmt.image_channel_order = CL_RGB; + fmt.image_channel_data_type = CL_UNORM_SHORT_555; + break; + + case QImage::Format_RGB888: + fmt.image_channel_order = CL_RGB; + fmt.image_channel_data_type = CL_UNORM_INT8; + break; + + case QImage::Format_RGBX8888: + fmt.image_channel_order = CL_RGBx; + fmt.image_channel_data_type = CL_UNORM_INT8; + break; + + case QImage::Format_RGBA8888: + case QImage:: Format_RGBA8888_Premultiplied: + fmt.image_channel_order = CL_RGBA; + fmt.image_channel_data_type = CL_UNORM_INT8; + break; + + default: + qWarning("toCLImageFormat: Unrecognized QImage format %d", format); + fmt.image_channel_order = 0; + fmt.image_channel_data_type = 0; + break; + } + + return fmt; +} + QT_END_NAMESPACE |