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glfw: Add ziggified API of glfw3native.h

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iddev5 2021-12-22 15:13:46 +05:30 • committed by Stephen Gutekanst
parent 162a9825e8
commit 4f35c578a0
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glfw/src/main.zig
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@ -25,6 +25,7 @@ pub const version = @import("version.zig");
pub const VideoMode = @import("VideoMode.zig");
pub const Window = @import("Window.zig");
pub const Cursor = @import("Cursor.zig");
pub const Native = @import("native.zig").Native;
pub const Key = key.Key;
pub usingnamespace @import("clipboard.zig");

412
glfw/src/native.zig Normal file
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@ -0,0 +1,412 @@
//! Native access functions
const std = @import("std");
const Window = @import("Window.zig");
const Monitor = @import("Monitor.zig");
const Error = @import("errors.zig").Error;
const getError = @import("errors.zig").getError;
const internal_debug = @import("internal_debug.zig");
const BackendOptions = struct {
win32: bool = false,
wgl: bool = false,
cocoa: bool = false,
nsgl: bool = false,
x11: bool = false,
glx: bool = false,
wayland: bool = false,
egl: bool = false,
osmesa: bool = false,
};
pub fn Native(comptime options: BackendOptions) type {
const native = @cImport({
@cDefine("GLFW_INCLUDE_VULKAN", "1");
@cInclude("GLFW/glfw3.h");
if (options.win32) @cDefine("GLFW_EXPOSE_NATIVE_WIN32", "1");
if (options.wgl) @cDefine("GLFW_EXPOSE_NATIVE_WGL", "1");
if (options.cocoa) @cDefine("GLFW_EXPOSE_NATIVE_COCOA", "1");
if (options.nsgl) @cDefine("GLFW_EXPOSE_NATIVE_NGSL", "1");
if (options.x11) @cDefine("GLFW_EXPOSE_NATIVE_X11", "1");
if (options.glx) @cDefine("GLFW_EXPOSE_NATIVE_GLX", "1");
if (options.wayland) @cDefine("GLFW_EXPOSE_NATIVE_WAYLAND", "1");
if (options.egl) @cDefine("GLFW_EXPOSE_NATIVE_EGL", "1");
if (options.osmesa) @cDefine("GLFW_EXPOSE_NATIVE_OSMESA", "1");
@cInclude("GLFW/glfw3native.h");
});
return struct {
/// Returns the adapter device name of the specified monitor.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getWin32Adapter(monitor: Monitor) [*:0]const u8 {
internal_debug.assertInitialized();
const adapter = native.glfwGetWin32Adapter(@ptrCast(*native.GLFWmonitor, monitor.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return adapter;
}
/// Returns the display device name of the specified monitor.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getWin32Monitor(monitor: Monitor) [*:0]const u8 {
internal_debug.assertInitialized();
const mon = native.glfwWin32Monitor(@ptrCast(*native.GLFWmonitor, monitor.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return mon;
}
/// Returns the `HWND` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getWin32Window(window: Window) std.os.windows.HWND {
internal_debug.assertInitialized();
const win = native.glfwGetWin32Window(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return @ptrCast(std.os.windows.HWND, win);
}
/// Returns the `HGLRC` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getWGLContext(window: Window) error{NoWindowContext}!std.os.windows.HGLRC {
internal_debug.assertInitialized();
const context = native.glfwGetWGLContext(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
Error.NoWindowContext => |err| @errSetCast(error{NoWindowContext}, err),
else => unreachable,
};
return context;
}
/// Returns the `CGDirectDisplayID` of the specified monitor.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getCocoaMonitor(monitor: Monitor) u32 {
internal_debug.assertInitialized();
const mon = native.glfwGetCocoaMonitor(@ptrCast(*native.GLFWmonitor, monitor.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return mon;
}
/// Returns the `NSWindow` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getCocoaWindow(window: Window) u32 {
internal_debug.assertInitialized();
const win = native.glfwGetCocoaWindow(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return win;
}
/// Returns the `NSWindow` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getNSGLContext(window: Window) error{NoWindowContext}!u32 {
internal_debug.assertInitialized();
const context = native.glfwGetNSGLContext(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
Error.NoWindowContext => |err| @errSetCast(error{NoWindowContext}, err),
else => unreachable,
};
return context;
}
/// Returns the `Display` used by GLFW.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getX11Display() ?*anyopaque {
internal_debug.assertInitialized();
const display = @ptrCast(*anyopaque, native.glfwGetX11Display());
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return display;
}
/// Returns the `RRCrtc` of the specified monitor.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getX11Adapter(monitor: Monitor) u32 {
internal_debug.assertInitialized();
const adapter = native.glfwGetX11Adapter(@ptrCast(*native.GLFWMonitor, monitor.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return adapter;
}
/// Returns the `Window` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getX11Monitor(monitor: Monitor) u32 {
internal_debug.assertInitialized();
const mon = native.glfwGetX11Monitor(@ptrCast(*native.GLFWmonitor, monitor.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return mon;
}
/// Returns the `Window` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getX11Window(window: Window) c_ulong {
internal_debug.assertInitialized();
const win = native.glfwGetX11Window(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return win;
}
/// Sets the current primary selection to the specified string.
///
/// Possible errors include error.PlatformError
///
/// The specified string is copied before this function returns.
///
/// @thread_safety This function must only be called from the main thread.
pub fn setX11SelectionString(string: [*:0]const u8) error{PlatformError}!void {
internal_debug.assertInitialized();
native.glfwSetX11SelectionString(string);
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
Error.PlatformError => |err| @errSetCast(error{PlatformError}, err),
else => unreachable,
};
}
/// Returns the contents of the current primary selection as a string.
///
/// Possible errors include error.PlatformError
///
/// The returned string is allocated and freed by GLFW. You should not free it
/// yourself. It is valid until the next call to getX11SelectionString or
/// setX11SelectionString, or until the library is terminated.
///
/// @thread_safety This function must only be called from the main thread.
pub fn getX11SelectionString() [*:0]const u8 {
internal_debug.assertInitialized();
const str = native.glfwGetX11SelectionString();
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return str;
}
//
/// Returns the `GLXContext` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getGLXContext(window: Window) error{NoWindowContext}!*anyopaque {
internal_debug.assertInitialized();
const context = native.glfwGetGLXContext(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
Error.NoWindowContext => |err| @errSetCast(error{NoWindowContext}, err),
else => unreachable,
};
return context;
}
/// Returns the `GLXWindow` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getGLXWindow(window: Window) error{NoWindowContext}!*anyopaque {
internal_debug.assertInitialized();
const win = native.glfwGetGLXWindow(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
Error.NoWindowContext => |err| @errSetCast(error{NoWindowContext}, err),
else => unreachable,
};
return win;
}
/// Returns the `*wl_display` used by GLFW.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getWaylandDisplay() *anyopaque {
internal_debug.assertInitialized();
const display = native.glfwGetWaylandDisplay();
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return display;
}
/// Returns the `*wl_output` of the specified monitor.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getWaylandMonitor(monitor: Monitor) *anyopaque {
internal_debug.assertInitialized();
const mon = native.glfwGetWaylandMonitor(@ptrCast(*native.GLFWmonitor, monitor.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return mon;
}
/// Returns the `*wl_surface` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getWaylandWindow(window: Window) *anyopaque {
internal_debug.assertInitialized();
const win = native.glfwGetWaylandWindow(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return win;
}
/// Returns the `EGLDisplay` used by GLFW.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getEGLDisplay() *anyopaque {
internal_debug.assertInitialized();
const display = native.glfwGetEGLDisplay();
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
else => unreachable,
};
return display;
}
/// Returns the `EGLContext` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getEGLContext(window: Window) error{NoWindowContext}!*anyopaque {
internal_debug.assertInitialized();
const context = native.glfwGetEGLContext(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
Error.NoWindowContext => |err| @errSetCast(error{NoWindowContext}, err),
else => unreachable,
};
return context;
}
/// Returns the `EGLSurface` of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getEGLSurface(window: Window) error{NoWindowContext}!*anyopaque {
internal_debug.assertInitialized();
const surface = native.glfwGetEGLSurface(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
Error.NoWindowContext => |err| @errSetCast(error{NoWindowContext}, err),
else => unreachable,
};
return surface;
}
pub const OSMesaColorBuffer = struct {
width: c_int,
height: c_int,
format: c_int,
buffer: *anyopaque,
};
/// Retrieves the color buffer associated with the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getOSMesaColorBuffer(window: Window) error{PlatformError}!OSMesaColorBuffer {
internal_debug.assertInitialized();
var buf: OSMesaColorBuffer = undefined;
_ = native.glfwGetOSMesaColorBuffer(@ptrCast(*native.GLFWwindow, window.handle), &buf.width, &buf.height, &buf.format, &buf.buffer);
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
Error.PlatformError => |err| @errSetCast(error{PlatformError}, err),
else => unreachable,
};
return buf;
}
pub const OSMesaDepthBuffer = struct {
width: c_int,
height: c_int,
bytes_per_value: c_int,
buffer: *anyopaque,
};
/// Retrieves the depth buffer associated with the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getOSMesaDepthBuffer(window: Window) error{PlatformError}!OSMesaDepthBuffer {
internal_debug.assertInitialized();
var buf: OSMesaDepthBuffer = undefined;
_ = native.glfwGetOSMesaDepthBuffer(@ptrCast(*native.GLFWwindow, window.handle), &buf.width, &buf.height, &buf.bytes_per_value, &buf.buffer);
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
Error.PlatformError => |err| @errSetCast(error{PlatformError}, err),
else => unreachable,
};
return buf;
}
/// Returns the 'OSMesaContext' of the specified window.
///
/// @thread_safety This function may be called from any thread. Access is not
/// synchronized.
pub fn getOSMesaContext(window: Window) error{NoWindowContext}!*anyopaque {
internal_debug.assertInitialized();
const context = native.glfwGetOSMesa(@ptrCast(*native.GLFWwindow, window.handle));
getError() catch |err| return switch (err) {
Error.NotInitialized => unreachable,
Error.NoWindowContext => |err| @errSetCast(error{NoWindowContext}, err),
else => unreachable,
};
return context;
}
};
}