diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/OpenGL3test.cxx | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/examples/OpenGL3test.cxx b/examples/OpenGL3test.cxx index ca880d22f..b8fe670d5 100644 --- a/examples/OpenGL3test.cxx +++ b/examples/OpenGL3test.cxx @@ -49,6 +49,7 @@ public: SimpleGL3Window(int x, int y, int w, int h) : Fl_Gl_Window(x, y, w, h) { mode(FL_RGB8 | FL_DOUBLE | FL_OPENGL3); shaderProgram = 0; + gl_version_major = 0; } void draw(void) { if (gl_version_major < 3) return; @@ -154,6 +155,7 @@ public: add_output("GL_VERSION=%s\n", glv); sscanf((const char *)glv, "%d", &gl_version_major); if (gl_version_major < 3) add_output("\nThis platform does not support OpenGL V3\n\n"); + redraw(); } if (event == FL_PUSH && gl_version_major >= 3) { |