public static unsafe SwapchainSource GetSwapchainSource(Sdl2Window window)
{
IntPtr sdlHandle = window.SdlWindowHandle;
SDL_SysWMinfo sysWmInfo;
Sdl2Native.SDL_GetVersion(&sysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(sdlHandle, &sysWmInfo);
switch (sysWmInfo.subsystem)
{
case SysWMType.Windows:
Win32WindowInfo w32Info = Unsafe.Read <Win32WindowInfo>(&sysWmInfo.info);
return(SwapchainSource.CreateWin32(w32Info.Sdl2Window, w32Info.hinstance));
case SysWMType.X11:
X11WindowInfo x11Info = Unsafe.Read <X11WindowInfo>(&sysWmInfo.info);
return(SwapchainSource.CreateXlib(
x11Info.display,
x11Info.Sdl2Window));
case SysWMType.Cocoa:
CocoaWindowInfo cocoaInfo = Unsafe.Read <CocoaWindowInfo>(&sysWmInfo.info);
IntPtr nsWindow = cocoaInfo.Window;
return(SwapchainSource.CreateNSWindow(nsWindow));
default:
throw new PlatformNotSupportedException("Cannot create a SwapchainSource for " + sysWmInfo.subsystem + ".");
}
}
private static unsafe GraphicsDevice CreateMetalGraphicsDevice(GraphicsDeviceOptions options, Sdl2Window window)
{
IntPtr sdlHandle = window.SdlWindowHandle;
SDL_SysWMinfo sysWmInfo;
Sdl2Native.SDL_GetVersion(&sysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(sdlHandle, &sysWmInfo);
ref CocoaWindowInfo cocoaInfo = ref Unsafe.AsRef <CocoaWindowInfo>(&sysWmInfo.info);
public static unsafe GraphicsDevice CreateDefaultOpenGLGraphicsDevice(
GraphicsDeviceOptions options,
Sdl2Window window,
GraphicsBackend backend)
{
Sdl2Native.SDL_ClearError();
SDL_SysWMinfo sysWmInfo;
Sdl2Native.SDL_GetVersion(&sysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(window.SdlWindowHandle, &sysWmInfo);
SetSDLGLContextAttributes(options, backend);
IntPtr contextHandle = Sdl2Native.SDL_GL_CreateContext(window.SdlWindowHandle);
byte * error = Sdl2Native.SDL_GetError();
if (error != null)
{
string errorString = GetString(error);
if (!string.IsNullOrEmpty(errorString))
{
throw new VeldridException(
$"Unable to create OpenGL Context: \"{errorString}\". This may indicate that the system does not support the requested OpenGL profile, version, or Swapchain format.");
}
}
Sdl2Native.SDL_GL_SetSwapInterval(options.SyncToVerticalBlank ? 1 : 0);
Veldrid.OpenGL.OpenGLPlatformInfo platformInfo = new Veldrid.OpenGL.OpenGLPlatformInfo(
contextHandle,
Sdl2Native.SDL_GL_GetProcAddress,
context => Sdl2Native.SDL_GL_MakeCurrent(window.SdlWindowHandle, context),
Sdl2Native.SDL_GL_GetCurrentContext,
() => Sdl2Native.SDL_GL_MakeCurrent(new SDL_Window(IntPtr.Zero), IntPtr.Zero),
Sdl2Native.SDL_GL_DeleteContext,
() => Sdl2Native.SDL_GL_SwapWindow(window.SdlWindowHandle),
sync => Sdl2Native.SDL_GL_SetSwapInterval(sync ? 1 : 0));
Veldrid.OpenGLBinding.OpenGLNative.LoadGetString(Sdl2Native.SDL_GL_GetCurrentContext(), Sdl2Native.SDL_GL_GetProcAddress);
byte *version = Veldrid.OpenGLBinding.OpenGLNative.glGetString(Veldrid.OpenGLBinding.StringName.Version);
byte *vendor = Veldrid.OpenGLBinding.OpenGLNative.glGetString(Veldrid.OpenGLBinding.StringName.Vendor);
byte *renderer = Veldrid.OpenGLBinding.OpenGLNative.glGetString(Veldrid.OpenGLBinding.StringName.Renderer);
Logger.CoreVerbose("OpenGl info: ");
Logger.CoreVerbose(" - Vendor: " + GetString(vendor));
Logger.CoreVerbose(" - Renderer: " + GetString(renderer));
Logger.CoreVerbose(" - Version: " + GetString(version));
return(GraphicsDevice.CreateOpenGL(
options,
platformInfo,
(uint)window.Width,
(uint)window.Height));
}
private static unsafe RenderContext CreateVulkanRenderContext(Sdl2Window window)
{
IntPtr sdlHandle = window.SdlWindowHandle;
SDL_SysWMinfo sysWmInfo;
Sdl2Native.SDL_GetVersion(&sysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(sdlHandle, &sysWmInfo);
VkSurfaceSource surfaceSource = GetSurfaceSource(sysWmInfo);
return(new VkRenderContext(surfaceSource, window.Width, window.Height));
}
private static unsafe RenderContext CreateVulkanRenderContext(Sdl2Window window)
{
IntPtr sdlHandle = window.SdlWindowHandle;
SDL_SysWMinfo sysWmInfo;
Sdl2Native.SDL_GetVersion(&sysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(sdlHandle, &sysWmInfo);
Win32WindowInfo w32Info = Unsafe.Read <Win32WindowInfo>(&sysWmInfo.info);
return(new VkRenderContext(VkSurfaceSource.CreateWin32(w32Info.hinstance, w32Info.window), window.Width, window.Height));
}
public static unsafe GraphicsDevice CreateVulkanGraphicsDevice(ref GraphicsDeviceCreateInfo contextCI, Sdl2Window window)
{
IntPtr sdlHandle = window.SdlWindowHandle;
SDL_SysWMinfo sysWmInfo;
Sdl2Native.SDL_GetVersion(&sysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(sdlHandle, &sysWmInfo);
VkSurfaceSource surfaceSource = GetSurfaceSource(sysWmInfo);
GraphicsDevice gd = Hacks.CreateVulkan(surfaceSource, (uint)window.Width, (uint)window.Height, contextCI.DebugDevice);
return(gd);
}
private unsafe bool PlatformCreateVkSurface(ImGuiViewportPtr viewport)
{
#if DEBUG
using Profiler fullProfiler = new Profiler(GetType());
#endif
//TODO: Properly avoid memory leak for unreleased Vk surface
WindowBase window = (WindowBase)GCHandle.FromIntPtr(viewport.PlatformUserData).Target;
SDL_SysWMinfo sysWmInfo;
Sdl2Native.SDL_GetVersion(&sysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(window.SdlWindow.SdlWindowHandle, &sysWmInfo);
return(GetSurfaceSource(sysWmInfo).CreateSurface(new Vulkan.VkInstance(window.SdlWindow.SdlWindowHandle)) != Vulkan.VkSurfaceKHR.Null);
}
public static unsafe GraphicsDevice CreateDefaultOpenGLGraphicsDevice(
GraphicsDeviceOptions options,
Sdl2Window window,
GraphicsBackend backend,
bool colorSrgb)
{
Sdl2Native.SDL_ClearError();
IntPtr sdlHandle = window.SdlWindowHandle;
SDL_SysWMinfo sysWmInfo;
Sdl2Native.SDL_GetVersion(&sysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(sdlHandle, &sysWmInfo);
SetSDLGLContextAttributes(options, backend, colorSrgb);
IntPtr contextHandle = Sdl2Native.SDL_GL_CreateContext(sdlHandle);
byte * error = Sdl2Native.SDL_GetError();
if (error != null)
{
string errorString = GetString(error);
if (!string.IsNullOrEmpty(errorString))
{
throw new VeldridException(
$"Unable to create OpenGL Context: \"{errorString}\". This may indicate that the system does not support the requested OpenGL profile, version, or Swapchain format.");
}
}
int actualDepthSize;
int result = Sdl2Native.SDL_GL_GetAttribute(SDL_GLAttribute.DepthSize, &actualDepthSize);
int actualStencilSize;
result = Sdl2Native.SDL_GL_GetAttribute(SDL_GLAttribute.StencilSize, &actualStencilSize);
result = Sdl2Native.SDL_GL_SetSwapInterval(options.SyncToVerticalBlank ? 1 : 0);
OpenGL.OpenGLPlatformInfo platformInfo = new OpenGL.OpenGLPlatformInfo(
contextHandle,
Sdl2Native.SDL_GL_GetProcAddress,
context => Sdl2Native.SDL_GL_MakeCurrent(sdlHandle, context),
() => Sdl2Native.SDL_GL_GetCurrentContext(),
() => Sdl2Native.SDL_GL_MakeCurrent(new SDL_Window(IntPtr.Zero), IntPtr.Zero),
Sdl2Native.SDL_GL_DeleteContext,
() => Sdl2Native.SDL_GL_SwapWindow(sdlHandle),
sync => Sdl2Native.SDL_GL_SetSwapInterval(sync ? 1 : 0));
return(GraphicsDevice.CreateOpenGL(
options,
platformInfo,
(uint)window.Width,
(uint)window.Height));
}
public static unsafe GraphicsDevice CreateVulkanGraphicsDevice(GraphicsDeviceOptions options, Sdl2Window window)
{
IntPtr sdlHandle = window.SdlWindowHandle;
SDL_SysWMinfo sysWmInfo;
Sdl2Native.SDL_GetVersion(&sysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(sdlHandle, &sysWmInfo);
VkSurfaceSource surfaceSource = GetSurfaceSource(sysWmInfo);
GraphicsDevice gd = GraphicsDevice.CreateVulkan(options, surfaceSource, (uint)window.Width, (uint)window.Height);
return(gd);
}
public static unsafe RenderContext CreateVulkanRenderContext(ref RenderContextCreateInfo contextCI, Sdl2Window window)
{
IntPtr sdlHandle = window.SdlWindowHandle;
SDL_SysWMinfo sysWmInfo;
Sdl2Native.SDL_GetVersion(&sysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(sdlHandle, &sysWmInfo);
VkSurfaceSource surfaceSource = GetSurfaceSource(sysWmInfo);
VkRenderContext rc = new VkRenderContext(surfaceSource, window.Width, window.Height);
if (contextCI.DebugContext)
{
rc.EnableDebugCallback();
}
return(rc);
}
public static unsafe GraphicsDevice CreateOpenGLGraphicsDevice(Sdl2Window window, GraphicsDeviceOptions options)
{
Sdl2Native.SDL_ClearError();
var sdlHandle = window.SdlWindowHandle;
SDL_SysWMinfo sdlSysWmInfo;
Sdl2Native.SDL_GetVersion(&sdlSysWmInfo.version);
Sdl2Native.SDL_GetWMWindowInfo(sdlHandle, &sdlSysWmInfo);
Sdl2Native.SDL_GL_SetAttribute(SDL_GLAttribute.ContextFlags, options.Debug ? 3 : 2);
Sdl2Native.SDL_GL_SetAttribute(SDL_GLAttribute.ContextProfileMask, 1);
Sdl2Native.SDL_GL_SetAttribute(SDL_GLAttribute.ContextMajorVersion, 4);
Sdl2Native.SDL_GL_SetAttribute(SDL_GLAttribute.ContextMinorVersion, 1);
options.SwapchainDepthFormat = PixelFormat.D32_Float_S8_UInt;
Sdl2Native.SDL_GL_SetAttribute(SDL_GLAttribute.DepthSize, 32);
Sdl2Native.SDL_GL_SetAttribute(SDL_GLAttribute.StencilSize, 8);
var contextHandle = Sdl2Native.SDL_GL_CreateContext(sdlHandle);
var error = Sdl2Native.SDL_GetError();
if ((IntPtr)error != IntPtr.Zero)
{
var str = GetString(error);
if (!string.IsNullOrEmpty(str))
{
throw new VeldridException(string.Format("Unable to create OpenGL Context: \"{0}\". This may indicate that the system does not support the requested OpenGL profile, version, or Swapchain format.", str));
}
}
int num1;
Sdl2Native.SDL_GL_GetAttribute(SDL_GLAttribute.DepthSize, &num1);
int num2;
Sdl2Native.SDL_GL_GetAttribute(SDL_GLAttribute.StencilSize, &num2);
Sdl2Native.SDL_GL_SetSwapInterval(options.SyncToVerticalBlank ? 1 : 0);
var getProcAddress = new Func <string, IntPtr>(Sdl2Native.SDL_GL_GetProcAddress);
var makeCurrent = (Action <IntPtr>)(context => Sdl2Native.SDL_GL_MakeCurrent(sdlHandle, context));
var deleteContext = new Action <IntPtr>(Sdl2Native.SDL_GL_DeleteContext);
var swapBuffers = (Action)(() => Sdl2Native.SDL_GL_SwapWindow(sdlHandle));
var platformInfo = new OpenGLPlatformInfo(contextHandle, getProcAddress, makeCurrent, Sdl2Native.SDL_GL_GetCurrentContext, () => Sdl2Native.SDL_GL_MakeCurrent(new SDL_Window(IntPtr.Zero), IntPtr.Zero), deleteContext, swapBuffers, sync => Sdl2Native.SDL_GL_SetSwapInterval(sync ? 1 : 0));
return(GraphicsDevice.CreateOpenGL(options, platformInfo, (uint)window.Width, (uint)window.Height));
}