public nint?WindowGetWin32Window(WindowReg window)
{
if (!OperatingSystem.IsWindows())
{
return(null);
}
var reg = (GlfwWindowReg)window;
try
{
return(GLFW.GetWin32Window(reg.GlfwWindow));
}
catch (EntryPointNotFoundException)
{
return(null);
}
}
private static void CreateWindow(ImGuiViewport *viewport)
{
PlatformBackend backend = GetPlatformBackend();
ViewportData * viewportData = ViewportData.Allocate();
viewport->PlatformUserData = viewportData;
GLFW.WindowHint(WindowHintBool.Visible, false);
GLFW.WindowHint(WindowHintBool.Focused, false);
GLFW.WindowHint(WindowHintBool.FocusOnShow, false);
GLFW.WindowHint(WindowHintBool.Decorated, !viewport->Flags.HasFlag(ImGuiViewportFlags.NoDecoration));
GLFW.WindowHint(WindowHintBool.Floating, viewport->Flags.HasFlag(ImGuiViewportFlags.TopMost));
*viewportData = new ViewportData()
{
Window = GLFW.CreateWindow((int)viewport->Size.X, (int)viewport->Size.Y, "No Title Yet", null, backend.Window),
WindowOwned = true,
};
viewport->PlatformHandle = viewportData->Window;
if (OperatingSystem.IsWindows())
{
viewport->PlatformHandleRaw = (void *)GLFW.GetWin32Window(viewportData->Window);
}
GLFW.SetWindowPos(viewportData->Window, (int)viewport->Pos.X, (int)viewport->Pos.Y);
// Install GLFW callbacks for secondary viewports
GlfwNative.glfwSetWindowFocusCallback(viewportData->Window, &WindowFocusCallback);
GlfwNative.glfwSetCursorEnterCallback(viewportData->Window, &CursorEnterCallback);
GlfwNative.glfwSetCursorPosCallback(viewportData->Window, &CursorPosCallback);
GlfwNative.glfwSetMouseButtonCallback(viewportData->Window, &MouseButtonCallback);
GlfwNative.glfwSetScrollCallback(viewportData->Window, &ScrollCallback);
GlfwNative.glfwSetKeyCallback(viewportData->Window, &KeyCallback);
GlfwNative.glfwSetCharCallback(viewportData->Window, &CharCallback);
GlfwNative.glfwSetWindowCloseCallback(viewportData->Window, &WindowCloseCallback);
GlfwNative.glfwSetWindowPosCallback(viewportData->Window, &WindowPosCallback);
GlfwNative.glfwSetWindowSizeCallback(viewportData->Window, &WindowSizeCallback);
GLFW.MakeContextCurrent(viewportData->Window);
GLFW.SwapInterval(0);
}
private static void WinThreadWinDestroy(CmdWinDestroy cmd)
{
var window = (Window *)cmd.Window;
if (OperatingSystem.IsWindows() && cmd.hadOwner)
{
// On Windows, closing the child window causes the owner to be minimized, apparently.
// Clear owner on close to avoid this.
var hWnd = (HWND)GLFW.GetWin32Window(window);
DebugTools.Assert(hWnd != HWND.NULL);
Windows.SetWindowLongPtrW(
hWnd,
GWLP.GWLP_HWNDPARENT,
0);
}
GLFW.DestroyWindow((Window *)cmd.Window);
}
private Window *CreateGlfwWindowForRenderer(
GLContextSpec?spec,
WindowCreateParameters parameters,
Window *contextShare,
Window *ownerWindow)
{
GLFW.WindowHint(WindowHintString.X11ClassName, "RobustToolbox");
GLFW.WindowHint(WindowHintString.X11InstanceName, "RobustToolbox");
GLFW.WindowHint(WindowHintBool.ScaleToMonitor, true);
if (spec == null)
{
// No OpenGL context requested.
GLFW.WindowHint(WindowHintClientApi.ClientApi, ClientApi.NoApi);
}
else
{
var s = spec.Value;
#if DEBUG
GLFW.WindowHint(WindowHintBool.OpenGLDebugContext, true);
#endif
GLFW.WindowHint(WindowHintInt.ContextVersionMajor, s.Major);
GLFW.WindowHint(WindowHintInt.ContextVersionMinor, s.Minor);
GLFW.WindowHint(WindowHintBool.OpenGLForwardCompat, s.Profile != GLContextProfile.Compatibility);
GLFW.WindowHint(WindowHintBool.SrgbCapable, true);
switch (s.Profile)
{
case GLContextProfile.Compatibility:
GLFW.WindowHint(WindowHintOpenGlProfile.OpenGlProfile, OpenGlProfile.Any);
GLFW.WindowHint(WindowHintClientApi.ClientApi, ClientApi.OpenGlApi);
break;
case GLContextProfile.Core:
GLFW.WindowHint(WindowHintOpenGlProfile.OpenGlProfile, OpenGlProfile.Core);
GLFW.WindowHint(WindowHintClientApi.ClientApi, ClientApi.OpenGlApi);
break;
case GLContextProfile.Es:
GLFW.WindowHint(WindowHintOpenGlProfile.OpenGlProfile, OpenGlProfile.Any);
GLFW.WindowHint(WindowHintClientApi.ClientApi, ClientApi.OpenGlEsApi);
break;
}
GLFW.WindowHint(WindowHintContextApi.ContextCreationApi,
s.CreationApi == GLContextCreationApi.Egl
? ContextApi.EglContextApi
: ContextApi.NativeContextApi);
#if !FULL_RELEASE
if (s.CreationApi == GLContextCreationApi.Egl && !_eglLoaded && OperatingSystem.IsWindows())
{
// On non-published builds (so, development), GLFW can't find libEGL.dll
// because it'll be in runtimes/<rid>/native/ instead of next to the actual executable.
// We manually preload the library here so that GLFW will find it when it does its thing.
NativeLibrary.TryLoad(
"libEGL.dll",
typeof(Clyde).Assembly,
DllImportSearchPath.SafeDirectories,
out _);
_eglLoaded = true;
}
#endif
}
Monitor *monitor = null;
if (parameters.Monitor != null &&
_winThreadMonitors.TryGetValue(parameters.Monitor.Id, out var monitorReg))
{
monitor = monitorReg.Ptr;
var mode = GLFW.GetVideoMode(monitor);
// Set refresh rate to monitor's so that GLFW doesn't manually select one.
GLFW.WindowHint(WindowHintInt.RefreshRate, mode->RefreshRate);
}
else
{
GLFW.WindowHint(WindowHintInt.RefreshRate, -1);
}
GLFW.WindowHint(WindowHintBool.Visible, false);
GLFW.WindowHint(WindowHintInt.RedBits, 8);
GLFW.WindowHint(WindowHintInt.GreenBits, 8);
GLFW.WindowHint(WindowHintInt.BlueBits, 8);
GLFW.WindowHint(WindowHintInt.AlphaBits, 8);
GLFW.WindowHint(WindowHintInt.StencilBits, 8);
var window = GLFW.CreateWindow(
parameters.Width, parameters.Height,
parameters.Title,
parameters.Fullscreen ? monitor : null,
contextShare);
// Check if window failed to create.
if (window == null)
{
return(null);
}
if (parameters.Maximized)
{
GLFW.GetMonitorPos(monitor, out var x, out var y);
GLFW.SetWindowPos(window, x, y);
GLFW.MaximizeWindow(window);
}
if ((parameters.Styles & OSWindowStyles.NoTitleOptions) != 0)
{
if (OperatingSystem.IsWindows())
{
var hWnd = (HWND)GLFW.GetWin32Window(window);
DebugTools.Assert(hWnd != HWND.NULL);
Windows.SetWindowLongPtrW(
hWnd,
GWL.GWL_STYLE,
// Cast to long here to work around a bug in rider with nint bitwise operators.
(nint)((long)Windows.GetWindowLongPtrW(hWnd, GWL.GWL_STYLE) & ~WS.WS_SYSMENU));
}
else
{
_sawmill.Warning("OSWindowStyles.NoTitleOptions not implemented on this platform");
}
}
if (ownerWindow != null)
{
if (OperatingSystem.IsWindows())
{
var hWnd = (HWND)GLFW.GetWin32Window(window);
var ownerHWnd = (HWND)GLFW.GetWin32Window(ownerWindow);
DebugTools.Assert(hWnd != HWND.NULL);
Windows.SetWindowLongPtrW(
hWnd,
GWLP.GWLP_HWNDPARENT,
ownerHWnd);
}
else
{
_sawmill.Warning("owner windows not implemented on this platform");
}
if (parameters.StartupLocation == WindowStartupLocation.CenterOwner)
{
// TODO: Maybe include window frames in size calculations here?
// Figure out frame sizes of both windows.
GLFW.GetWindowPos(ownerWindow, out var ownerX, out var ownerY);
GLFW.GetWindowSize(ownerWindow, out var ownerW, out var ownerH);
// Re-fetch this in case DPI scaling is changing it I guess.
GLFW.GetWindowSize(window, out var thisW, out var thisH);
GLFW.SetWindowPos(window, ownerX + (ownerW - thisW) / 2, ownerY + (ownerH - thisH) / 2);
}
}
if (parameters.Visible)
{
GLFW.ShowWindow(window);
}
return(window);
}
private void InitVeldrid()
{
var options = new GraphicsDeviceOptions
{
#if DEBUG
Debug = true,
#endif
HasMainSwapchain = true,
SyncToVerticalBlank = _vsync,
PreferStandardClipSpaceYDirection = true,
SwapchainSrgbFormat = true
};
GLFW.GetFramebufferSize(_window.WindowPtr, out var w, out var h);
var hwnd = GLFW.GetWin32Window(_window.WindowPtr);
var hinstance = GetModuleHandleA(null);
switch (_vdRenderer)
{
case VeldridRenderer.Vulkan:
_vdGfxDevice = GraphicsDevice.CreateVulkan(
options,
VkSurfaceSource.CreateWin32((nint)hinstance, hwnd),
(uint)w, (uint)h);
break;
case VeldridRenderer.D3D11:
_vdGfxDevice = GraphicsDevice.CreateD3D11(options, hwnd, (uint)w, (uint)h);
break;
case VeldridRenderer.OpenGL:
{
var platInfo = new OpenGLPlatformInfo(
(nint)_window.WindowPtr,
GLFW.GetProcAddress,
ptr => GLFW.MakeContextCurrent((Window *)ptr),
() => (nint)GLFW.GetCurrentContext(),
() => GLFW.MakeContextCurrent(null),
ptr => GLFW.DestroyWindow((Window *)ptr),
() => GLFW.SwapBuffers(_window.WindowPtr),
vsync => GLFW.SwapInterval(vsync ? 1 : 0));
_vdGfxDevice = GraphicsDevice.CreateOpenGL(options, platInfo, (uint)w, (uint)h);
break;
}
}
var factory = _vdGfxDevice.ResourceFactory;
_vdCommandList = factory.CreateCommandList();
_vdCommandList.Name = "Honk";
var vtxLayout = new VertexLayoutDescription(
new VertexElementDescription("Position", VertexElementFormat.Float2,
VertexElementSemantic.TextureCoordinate),
new VertexElementDescription("UV", VertexElementFormat.Float2, VertexElementSemantic.TextureCoordinate),
new VertexElementDescription("Color", VertexElementFormat.Byte4_Norm,
VertexElementSemantic.TextureCoordinate));
var vtxShaderDesc = new ShaderDescription(
ShaderStages.Vertex,
Encoding.UTF8.GetBytes(VDVertexShader),
"main");
var fragShaderDesc = new ShaderDescription(
ShaderStages.Fragment,
Encoding.UTF8.GetBytes(VDFragmentShader),
"main");
_vdShaders = factory.CreateFromSpirv(vtxShaderDesc, fragShaderDesc);
_vdShaders[0].Name = "VertexShader";
_vdShaders[1].Name = "FragmentShader";
var layoutTexture = factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription(
"Texture",
ResourceKind.TextureReadOnly,
ShaderStages.Fragment),
new ResourceLayoutElementDescription(
"TextureSampler",
ResourceKind.Sampler,
ShaderStages.Fragment)));
layoutTexture.Name = "LayoutTexture";
var layoutProjMatrix = factory.CreateResourceLayout(new ResourceLayoutDescription(
new ResourceLayoutElementDescription(
"ProjMtx",
ResourceKind.UniformBuffer,
ShaderStages.Vertex)));
layoutProjMatrix.Name = "LayoutProjMatrix";
var pipelineDesc = new GraphicsPipelineDescription(
new BlendStateDescription(
RgbaFloat.White,
new BlendAttachmentDescription(
true,
BlendFactor.SourceAlpha,
BlendFactor.InverseSourceAlpha,
BlendFunction.Add,
BlendFactor.One,
BlendFactor.InverseSourceAlpha,
BlendFunction.Add)
),
DepthStencilStateDescription.Disabled,
new RasterizerStateDescription(
FaceCullMode.None,
PolygonFillMode.Solid,
FrontFace.Clockwise,
depthClipEnabled: false,
scissorTestEnabled: true),
PrimitiveTopology.TriangleList,
new ShaderSetDescription(new[] { vtxLayout }, _vdShaders),
new[] { layoutProjMatrix, layoutTexture },
new OutputDescription(
null,
new OutputAttachmentDescription(PixelFormat.B8_G8_R8_A8_UNorm_SRgb))
);
_vdPipeline = factory.CreateGraphicsPipeline(pipelineDesc);
_vdPipeline.Name = "MainPipeline";
_vdProjMatrixUniformBuffer = factory.CreateBuffer(new BufferDescription(
(uint)sizeof(Matrix4x4),
BufferUsage.Dynamic | BufferUsage.UniformBuffer));
_vdProjMatrixUniformBuffer.Name = "_vdProjMatrixUniformBuffer";
_vdSetProjMatrix = factory.CreateResourceSet(new ResourceSetDescription(
layoutProjMatrix,
_vdProjMatrixUniformBuffer));
_vdSetProjMatrix.Name = "_vdSetProjMatrix";
var io = ImGui.GetIO();
io.Fonts.GetTexDataAsRGBA32(out byte *pixels, out var width, out var height, out _);
_vdTexture = factory.CreateTexture(TextureDescription.Texture2D(
(uint)width, (uint)height,
mipLevels: 1,
arrayLayers: 1,
PixelFormat.R8_G8_B8_A8_UNorm_SRgb,
TextureUsage.Sampled));
_vdTexture.Name = "MainTexture";
_vdSampler = factory.CreateSampler(SamplerDescription.Linear);
_vdSampler.Name = "MainSampler";
_vdGfxDevice.UpdateTexture(
_vdTexture,
(IntPtr)pixels,
(uint)(width * height * 4),
x: 0, y: 0, z: 0,
(uint)width, (uint)height, depth: 1,
mipLevel: 0,
arrayLayer: 0);
_vdSetTexture = factory.CreateResourceSet(new ResourceSetDescription(
layoutTexture,
_vdTexture,
_vdSampler));
_vdSetTexture.Name = "SetTexture";
io.Fonts.SetTexID((nint)0);
io.Fonts.ClearTexData();
_vdGfxDevice.ResizeMainWindow((uint)w, (uint)h);
_vdGfxDevice.SwapBuffers();
}
