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output loaded OpenGL version

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This commit is contained in:
Mitchell Hashimoto
2022-04-04 14:59:22 -07:00
parent 27f3e89316
commit 8797c41833
1 changed files with 9 additions and 3 deletions
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12
src/App.zig
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@ -34,11 +34,17 @@ pub fn init(alloc: std.mem.Allocator) !App {
try glfw.swapInterval(1);
// Load OpenGL bindings
if (gl.c.gladLoadGL(
@ptrCast(fn ([*c]const u8) callconv(.C) ?fn () callconv(.C) void, glfw.getProcAddress),
) == 0) {
const version = gl.c.gladLoadGL(@ptrCast(
fn ([*c]const u8) callconv(.C) ?fn () callconv(.C) void,
glfw.getProcAddress,
));
if (version == 0) {
return error.OpenGLInitFailed;
}
log.info("loaded OpenGL {}.{}", .{
gl.c.GLAD_VERSION_MAJOR(@intCast(c_uint, version)),
gl.c.GLAD_VERSION_MINOR(@intCast(c_uint, version)),
});
// Blending for text
gl.c.glEnable(gl.c.GL_CULL_FACE);