diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglplatformcontext.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/gui/opengl/platform/egl/qeglplatformcontext.cpp b/src/gui/opengl/platform/egl/qeglplatformcontext.cpp index 0a6e83e875e..e1bf056d655 100644 --- a/src/gui/opengl/platform/egl/qeglplatformcontext.cpp +++ b/src/gui/opengl/platform/egl/qeglplatformcontext.cpp @@ -378,6 +378,21 @@ bool QEGLPlatformContext::makeCurrent(QPlatformSurface *surface) if (eglSurface != EGL_NO_SURFACE) // skip if using surfaceless context eglSwapInterval(eglDisplay(), m_swapInterval); } +#if defined(Q_OS_VXWORKS) && defined(Q_PROCESSOR_X86_64) + // Clear set of framebuffers as workaround for display artifacts found + // in Wind River's Mesa OpenGL implementation + static bool firstWindow = true; + if (firstWindow && (QSurface::Window == surface->surface()->surfaceClass())) { + glClearColor(0.0f, 0.0f, 0.0f, 0.0f); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); + swapBuffers(surface); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); + swapBuffers(surface); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); + swapBuffers(surface); + firstWindow = false; + } +#endif } else { qWarning("QEGLPlatformContext: eglMakeCurrent failed: %x", eglGetError()); } |