From 2020b032e83d1b61736a80a6815635aa7451deed Mon Sep 17 00:00:00 2001 From: Friedemann Kleint Date: Thu, 6 Nov 2014 16:24:57 +0100 Subject: [PATCH] Check whether current context can be obtained when deleting textures. Add a warning in that case. Task-number: QTBUG-41966 Change-Id: I491ee9e13c9504040ab789951656983a736d9203 Reviewed-by: Yoann Lopes --- src/plugins/wmf/evrd3dpresentengine.cpp | 8 ++++++-- src/qtmultimediaquicktools/qsgvideonode_i420.cpp | 8 ++++++-- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/src/plugins/wmf/evrd3dpresentengine.cpp b/src/plugins/wmf/evrd3dpresentengine.cpp index 42d0dea..9a50852 100644 --- a/src/plugins/wmf/evrd3dpresentengine.cpp +++ b/src/plugins/wmf/evrd3dpresentengine.cpp @@ -184,8 +184,12 @@ D3DPresentEngine::~D3DPresentEngine() m_egl->destroySurface(m_eglDisplay, m_eglSurface); m_eglSurface = NULL; } - if (m_glTexture) - QOpenGLContext::currentContext()->functions()->glDeleteTextures(1, &m_glTexture); + if (m_glTexture) { + if (QOpenGLContext *current = QOpenGLContext::currentContext()) + current->functions()->glDeleteTextures(1, &m_glTexture); + else + qWarning() << "D3DPresentEngine: Cannot obtain GL context, unable to delete textures"; + } delete m_glContext; delete m_offscreenSurface; diff --git a/src/qtmultimediaquicktools/qsgvideonode_i420.cpp b/src/qtmultimediaquicktools/qsgvideonode_i420.cpp index 5b8b7ce..17b4924 100644 --- a/src/qtmultimediaquicktools/qsgvideonode_i420.cpp +++ b/src/qtmultimediaquicktools/qsgvideonode_i420.cpp @@ -227,8 +227,12 @@ QSGVideoMaterial_YUV420::QSGVideoMaterial_YUV420(const QVideoSurfaceFormat &form QSGVideoMaterial_YUV420::~QSGVideoMaterial_YUV420() { - if (!m_textureSize.isEmpty()) - QOpenGLContext::currentContext()->functions()->glDeleteTextures(Num_Texture_IDs, m_textureIds); + if (!m_textureSize.isEmpty()) { + if (QOpenGLContext *current = QOpenGLContext::currentContext()) + current->functions()->glDeleteTextures(Num_Texture_IDs, m_textureIds); + else + qWarning() << "QSGVideoMaterial_YUV420: Cannot obtain GL context, unable to delete textures"; + } } void QSGVideoMaterial_YUV420::bind() -- 2.7.4