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| author | Rhys Weatherley <rhys.weatherley@nokia.com> | 2009-12-08 23:10:11 (GMT) |
|---|---|---|
| committer | Rhys Weatherley <rhys.weatherley@nokia.com> | 2009-12-08 23:10:11 (GMT) |
| commit | 62fac41edfff5e42e4c3308376cb08e5d9a10afe (patch) | |
| tree | c63f92817a7f2f8cbb203fe21d61df556605ca90 /src/opengl/qgl.cpp | |
| parent | 51297287f1be5c31337203cbf5a0e3eae6047a88 (diff) | |
| download | Qt-62fac41edfff5e42e4c3308376cb08e5d9a10afe.zip Qt-62fac41edfff5e42e4c3308376cb08e5d9a10afe.tar.gz Qt-62fac41edfff5e42e4c3308376cb08e5d9a10afe.tar.bz2 | |
Fix upside down PVR compressed textures.
The "vertical flip" flag in the PVR format is the inverse of the
"inverted y" state that we use in Qt.
Reviewed-by: trustme
Diffstat (limited to 'src/opengl/qgl.cpp')
| -rw-r--r-- | src/opengl/qgl.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp index 967ba48..8003a29 100644 --- a/src/opengl/qgl.cpp +++ b/src/opengl/qgl.cpp @@ -5363,11 +5363,12 @@ QSize QGLTexture::bindCompressedTexturePVR(const char *buf, int len) // Restore the default pixel alignment for later texture uploads. glPixelStorei(GL_UNPACK_ALIGNMENT, 4); - // Set the invert flag for the texture. + // Set the invert flag for the texture. The "vertical flip" + // flag in PVR is the opposite sense to our sense of inversion. if ((pvrHeader->flags & PVR_VERTICAL_FLIP) != 0) - options |= QGLContext::InvertedYBindOption; - else options &= ~QGLContext::InvertedYBindOption; + else + options |= QGLContext::InvertedYBindOption; return QSize(pvrHeader->width, pvrHeader->height); } |