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Update procedure for OpenGL3 support.

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This commit is contained in:
ManoloFLTK
2019-04-04 18:42:45 +02:00
parent 7a3af40ede
commit 9b7f020ed3
2 changed files with 3 additions and 0 deletions
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2
examples/OpenGL3test.cxx
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@@ -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) {