diff options
| -rw-r--r-- | src/platformsupport/eglconvenience/qeglcompositor.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/platformsupport/eglconvenience/qeglcompositor.cpp b/src/platformsupport/eglconvenience/qeglcompositor.cpp index c8b768ae48..f81d72c4bd 100644 --- a/src/platformsupport/eglconvenience/qeglcompositor.cpp +++ b/src/platformsupport/eglconvenience/qeglcompositor.cpp @@ -144,10 +144,11 @@ void QEGLCompositor::render(QEGLPlatformWindow *window, uint texture, bool raste QPoint tl = r.topLeft(); QPoint br = r.bottomRight(); + // Map to [-1,1] GLfloat x1 = (tl.x() / sr.width()) * 2 - 1; - GLfloat x2 = (br.x() / sr.width()) * 2 - 1; GLfloat y1 = ((sr.height() - tl.y()) / sr.height()) * 2 - 1; - GLfloat y2 = ((sr.height() - br.y()) / sr.height()) * 2 - 1; + GLfloat x2 = ((br.x() + 1) / sr.width()) * 2 - 1; + GLfloat y2 = ((sr.height() - (br.y() + 1)) / sr.height()) * 2 - 1; if (!raster) qSwap(y1, y2); |