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-rw-r--r--src/qcam/viewfinder_gl.cpp16
1 files changed, 10 insertions, 6 deletions
diff --git a/src/qcam/viewfinder_gl.cpp b/src/qcam/viewfinder_gl.cpp
index 03a576ba..c0729252 100644
--- a/src/qcam/viewfinder_gl.cpp
+++ b/src/qcam/viewfinder_gl.cpp
@@ -53,19 +53,23 @@ const QList<libcamera::PixelFormat> &ViewFinderGL::nativeFormats() const
int ViewFinderGL::setFormat(const libcamera::PixelFormat &format,
const QSize &size)
{
- /* If the fragment is created remove it and create a new one. */
- if (fragmentShader_) {
+ if (format != format_) {
+ /*
+ * If the fragment already exists, remove it and create a new
+ * one for the new format.
+ */
if (shaderProgram_.isLinked()) {
shaderProgram_.release();
shaderProgram_.removeShader(fragmentShader_.get());
fragmentShader_.reset();
}
- }
- if (!selectFormat(format))
- return -1;
+ if (!selectFormat(format))
+ return -1;
+
+ format_ = format;
+ }
- format_ = format;
size_ = size;
updateGeometry();