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GLES2: Check for GPU capabilities to display an error 

The engine will still segfault, but the error message should be displayed by the
OS in a blocking manner, so that it will only crash once users have acknowledged
the error dialog.

Closes #1162.
This commit is contained in:
Rémi Verschelde 2016-07-25 23:08:46 +02:00
parent 6273ec901f
commit a155342eca
1 changed files with 10 additions and 1 deletions
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11
drivers/gles2/rasterizer_gles2.cpp
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@ -10788,8 +10788,17 @@ void RasterizerGLES2::init() {
if (OS::get_singleton()->is_stdout_verbose()) {
print_line(String("GLES2: Using GLEW ") + (const char*) glewGetString(GLEW_VERSION));
}
#endif
// Check for GL 2.1 compatibility, if not bail out
if (!glewIsSupported("GL_VERSION_2_1")) {
ERR_PRINT("Your system's graphic drivers seem not to support OpenGL 2.1 / GLES 2.0, sorry :(\n"
"Try a drivers update, buy a new GPU or try software rendering on Linux; Godot will now crash with a segmentation fault.");
OS::get_singleton()->alert("Your system's graphic drivers seem not to support OpenGL 2.1 / GLES 2.0, sorry :(\n"
"Godot Engine will self-destruct as soon as you acknowledge this error message.",
"Fatal error: Insufficient OpenGL / GLES drivers");
// TODO: If it's even possible, we should stop the execution without segfault and memory leaks :)
}
#endif