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authorLaszlo Agocs <laszlo.agocs@theqtcompany.com>2015-05-01 22:52:45 +0200
committerLaszlo Agocs <laszlo.agocs@theqtcompany.com>2015-05-02 16:18:04 +0000
commita6abebf98ecfbadfeec252283feeea9e04715581 (patch)
tree1bda4a827305380e6453a1f39250de136c2d21f6
parent749f98c8f28ffd06d5caccffe60edc94f280f6f7 (diff)
Add toCLImageFormatHEADmaster
Change-Id: I10ec7869659b69038811bd48b6beb7f43fbc5a8c Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
-rw-r--r--src/quickcl/qquickclcontext.cpp61
-rw-r--r--src/quickcl/qquickclcontext.h4
2 files changed, 65 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
diff --git a/src/quickcl/qquickclcontext.h b/src/quickcl/qquickclcontext.h
index d780ad5..2072188 100644
--- a/src/quickcl/qquickclcontext.h
+++ b/src/quickcl/qquickclcontext.h
@@ -38,6 +38,7 @@
#define QQUICKCLCONTEXT_H
#include <QtQuickCL/qtquickclglobal.h>
+#include <QtGui/qimage.h>
QT_BEGIN_NAMESPACE
@@ -62,9 +63,12 @@ public:
QByteArray platformName() const;
QByteArray deviceExtensions() const;
+
cl_program buildProgram(const QByteArray &src);
cl_program buildProgramFromFile(const QString &filename);
+ static cl_image_format toCLImageFormat(QImage::Format format);
+
private:
QQuickCLContextPrivate *d_ptr;
};