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Merge pull request #1123 from mitchellh/opengl-version

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renderer/opengl: error if OpenGL version is too old
This commit is contained in:
Mitchell Hashimoto
2023-12-18 13:01:00 -08:00
committed by GitHub
parent b711ac8a42 4ba44fb8c1
commit 463e4fd689
1 changed files with 9 additions and 4 deletions
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13
src/renderer/OpenGL.zig
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@ -412,11 +412,16 @@ pub fn surfaceInit(surface: *apprt.Surface) !void {
apprt.gtk => { apprt.gtk => {
// GTK uses global OpenGL context so we load from null. // GTK uses global OpenGL context so we load from null.
const version = try gl.glad.load(null); const version = try gl.glad.load(null);
const major = gl.glad.versionMajor(@intCast(version));
const minor = gl.glad.versionMinor(@intCast(version));
errdefer gl.glad.unload(); errdefer gl.glad.unload();
log.info("loaded OpenGL {}.{}", .{ log.info("loaded OpenGL {}.{}", .{ major, minor });
gl.glad.versionMajor(@intCast(version)),
gl.glad.versionMinor(@intCast(version)), // We require at least OpenGL 3.3
}); if (major < 3 or minor < 3) {
log.warn("OpenGL version is too old. Ghostty requires OpenGL 3.3", .{});
return error.OpenGLOutdated;
}
}, },
apprt.glfw => try self.threadEnter(surface), apprt.glfw => try self.threadEnter(surface),