diff options
| -rw-r--r-- | src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index 939cd0d..3007b4c 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -115,6 +115,7 @@ public Q_SLOTS: glDeleteFramebuffers(1, &m_fbo); if (m_width || m_height) glDeleteTextures(1, &m_texture); + ctx = 0; } else { // since the context holding the texture is shared, and // about to be destroyed, we have to transfer ownership @@ -151,10 +152,17 @@ QGLTextureGlyphCache::QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyph QGLTextureGlyphCache::~QGLTextureGlyphCache() { - glDeleteFramebuffers(1, &m_fbo); - - if (m_width || m_height) - glDeleteTextures(1, &m_texture); + if (ctx) { + QGLContext *oldContext = const_cast<QGLContext *>(QGLContext::currentContext()); + if (oldContext != ctx) + ctx->makeCurrent(); + glDeleteFramebuffers(1, &m_fbo); + + if (m_width || m_height) + glDeleteTextures(1, &m_texture); + if (oldContext && oldContext != ctx) + oldContext->makeCurrent(); + } } void QGLTextureGlyphCache::createTextureData(int width, int height) |