From 2919c77bee595ef35eb171bec614f191da551a19 Mon Sep 17 00:00:00 2001 From: ocornut Date: Sat, 1 Oct 2016 14:59:28 +0200 Subject: [PATCH] Examples: GLFW+OpenGL3: Fixed Shutdown() calling GL functions with NULL parameters if NewFrame was never called (#800) --- examples/opengl3_example/imgui_impl_glfw_gl3.cpp | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/examples/opengl3_example/imgui_impl_glfw_gl3.cpp b/examples/opengl3_example/imgui_impl_glfw_gl3.cpp index 6552e593..0cc0cba5 100644 --- a/examples/opengl3_example/imgui_impl_glfw_gl3.cpp +++ b/examples/opengl3_example/imgui_impl_glfw_gl3.cpp @@ -282,15 +282,15 @@ void ImGui_ImplGlfwGL3_InvalidateDeviceObjects() if (g_ElementsHandle) glDeleteBuffers(1, &g_ElementsHandle); g_VaoHandle = g_VboHandle = g_ElementsHandle = 0; - glDetachShader(g_ShaderHandle, g_VertHandle); - glDeleteShader(g_VertHandle); + if (g_ShaderHandle && g_VertHandle) glDetachShader(g_ShaderHandle, g_VertHandle); + if (g_VertHandle) glDeleteShader(g_VertHandle); g_VertHandle = 0; - glDetachShader(g_ShaderHandle, g_FragHandle); - glDeleteShader(g_FragHandle); + if (g_ShaderHandle && g_FragHandle) glDetachShader(g_ShaderHandle, g_FragHandle); + if (g_FragHandle) glDeleteShader(g_FragHandle); g_FragHandle = 0; - glDeleteProgram(g_ShaderHandle); + if (g_ShaderHandle) glDeleteProgram(g_ShaderHandle); g_ShaderHandle = 0; if (g_FontTexture)