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QOpenGLTexture: Add a doc note about the unavoidable conversion

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As requested by users. Explicitly stated in the docs that the QImage
is going to be converted, to avoid surprises.

Pick-to: 6.5 6.2 5.15
Fixes: QTBUG-105364
Change-Id: Ia6a8930bcee8bd3cdbef016083599bd435b37a09
Reviewed-by: Kristoffer Skau <kristoffer.skau@qt.io>
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
This commit is contained in:
Laszlo Agocs 2023-03-15 12:02:36 +01:00
parent 27ab0f012a
commit cac1abb012
1 changed files with 6 additions and 0 deletions
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6
src/opengl/qopengltexture.cpp
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@ -2456,6 +2456,9 @@ QOpenGLTexture::QOpenGLTexture(Target target)
This does create the underlying OpenGL texture object. Therefore, This does create the underlying OpenGL texture object. Therefore,
construction using this constructor does require a valid current construction using this constructor does require a valid current
OpenGL context. OpenGL context.
\note \a image is automatically converted to QImage::Format_RGBA8888 which
may have performance implications for large images with a different format.
*/ */
QOpenGLTexture::QOpenGLTexture(const QImage& image, MipMapGeneration genMipMaps) QOpenGLTexture::QOpenGLTexture(const QImage& image, MipMapGeneration genMipMaps)
: QOpenGLTexture(QOpenGLTexture::Target2D) : QOpenGLTexture(QOpenGLTexture::Target2D)
@ -3610,6 +3613,9 @@ void QOpenGLTexture::setData(int xOffset, int yOffset, int zOffset,
The pixel data is contained in \a image. Mipmaps are generated by default. The pixel data is contained in \a image. Mipmaps are generated by default.
Set \a genMipMaps to \l DontGenerateMipMaps to turn off mipmap generation. Set \a genMipMaps to \l DontGenerateMipMaps to turn off mipmap generation.
\note \a image is automatically converted to QImage::Format_RGBA8888 which
may have performance implications for large images with a different format.
\overload \overload
*/ */
void QOpenGLTexture::setData(const QImage& image, MipMapGeneration genMipMaps) void QOpenGLTexture::setData(const QImage& image, MipMapGeneration genMipMaps)