From 62fac41edfff5e42e4c3308376cb08e5d9a10afe Mon Sep 17 00:00:00 2001 From: Rhys Weatherley Date: Wed, 9 Dec 2009 09:10:11 +1000 Subject: 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 --- src/opengl/qgl.cpp | 7 ++++--- 1 file 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); } -- cgit v0.12