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Don't call OpenGL functions until there's a context.

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This commit is contained in:
Camilla Berglund 2012-08-19 02:21:47 +02:00
parent 3f34b091b8
commit 06700e62bf
1 changed files with 5 additions and 2 deletions
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7
tests/events.c
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@ -242,8 +242,11 @@ static void window_refresh_callback(GLFWwindow window)
{ {
printf("%08x at %0.3f: Window refresh\n", counter++, glfwGetTime()); printf("%08x at %0.3f: Window refresh\n", counter++, glfwGetTime());
glClear(GL_COLOR_BUFFER_BIT); if (glfwGetCurrentContext())
glfwSwapBuffers(window); {
glClear(GL_COLOR_BUFFER_BIT);
glfwSwapBuffers(window);
}
} }
static void window_focus_callback(GLFWwindow window, int activated) static void window_focus_callback(GLFWwindow window, int activated)