Backends: OpenGL3: Fix access violation due to NULL from glGetStringi. (#4201)

4 years ago · fe24591411
parent 94b680e830
commit fe24591411
1 changed files with 1 additions and 1 deletions
--- a/backends/imgui_impl_opengl3.cpp
+++ b/backends/imgui_impl_opengl3.cpp
@ -247,7 +247,7 @@ bool    ImGui_ImplOpenGL3_Init(const char* glsl_version)
    for (GLint i = 0; i < num_extensions; i++)
    {
        const char* extension = (const char*)glGetStringi(GL_EXTENSIONS, i);
-        if (strcmp(extension, "GL_ARB_clip_control") == 0)
+        if (extension != NULL && strcmp(extension, "GL_ARB_clip_control") == 0)
            g_HasClipOrigin = true;
    }
 #endif