diff options
Diffstat (limited to 'src/plugins/platforms/wasm/qwasmopenglcontext.cpp')
-rw-r--r-- | src/plugins/platforms/wasm/qwasmopenglcontext.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/plugins/platforms/wasm/qwasmopenglcontext.cpp b/src/plugins/platforms/wasm/qwasmopenglcontext.cpp index 62087f54bd..501ab99116 100644 --- a/src/plugins/platforms/wasm/qwasmopenglcontext.cpp +++ b/src/plugins/platforms/wasm/qwasmopenglcontext.cpp @@ -30,6 +30,7 @@ #include "qwasmopenglcontext.h" #include "qwasmintegration.h" #include <EGL/egl.h> +#include <emscripten/val.h> QT_BEGIN_NAMESPACE @@ -50,7 +51,13 @@ QWasmOpenGLContext::QWasmOpenGLContext(const QSurfaceFormat &format) QWasmOpenGLContext::~QWasmOpenGLContext() { if (m_context) { + // Destroy GL context. Work around bug in emscripten_webgl_destroy_context + // which removes all event handlers on the canvas by temporarily removing + // emscripten's JSEvents global object. + emscripten::val jsEvents = emscripten::val::global("window")["JSEvents"]; + emscripten::val::global("window").set("JSEvents", emscripten::val::undefined()); emscripten_webgl_destroy_context(m_context); + emscripten::val::global("window").set("JSEvents", jsEvents); m_context = 0; } } @@ -99,7 +106,7 @@ EMSCRIPTEN_WEBGL_CONTEXT_HANDLE QWasmOpenGLContext::createEmscriptenContext(cons attributes.depth = useDepthStencil; attributes.stencil = useDepthStencil; - EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context = emscripten_webgl_create_context(canvasId.toLocal8Bit().constData(), &attributes); + EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context = emscripten_webgl_create_context(canvasId.toUtf8().constData(), &attributes); return context; } |