public bool Run(SdlContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
lock (this.syncRoot) {
if (this.isRunning)
{
return(false);
}
try {
this.isRunning = true;
Monitor.Exit(this.syncRoot);
try {
this.context = context;
this.PrepareRegisters();
this.RunInternal();
return(true);
}
finally {
Monitor.Enter(this.syncRoot);
}
}
finally {
this.isRunning = false;
this.context = null;
this.ClearRegisters();
}
}
}
internal GraphicsAdapter()
{
outputs = new [] { new GraphicsOutput() };
// set default values
int detectedVersion = 100;
string renderer, vendor, version;
int versionMajor, versionMinor;
var SDL = Stride.Graphics.SDL.Window.SDL;
// Some platforms (i.e. Android) can only have a single window
var sdlWindow = DefaultWindow;
if (sdlWindow == null)
{
sdlWindow = SDL.CreateWindow("Stride Hidden OpenGL", 50, 50, 1280, 720, (uint)(WindowFlags.WindowHidden | WindowFlags.WindowOpengl));
}
using (var sdlContext = new SdlContext(SDL, sdlWindow))
using (var gl = GL.GetApi(sdlContext))
{
#if STRIDE_GRAPHICS_API_OPENGLES
SDL.GLSetAttribute(GLattr.GLContextProfileMask, (int)GLprofile.GLContextProfileES);
#else
SDL.GLSetAttribute(GLattr.GLContextProfileMask, (int)GLprofile.GLContextProfileCore);
#endif
sdlContext.Create();
renderer = gl.GetStringS(StringName.Renderer);
vendor = gl.GetStringS(StringName.Vendor);
version = gl.GetStringS(StringName.Version);
gl.GetInteger(GetPName.MajorVersion, out versionMajor);
gl.GetInteger(GetPName.MinorVersion, out versionMinor);
}
if (sdlWindow != DefaultWindow)
{
SDL.DestroyWindow(sdlWindow);
}
// Stay close to D3D: Cut renderer after first / (ex: "GeForce 670/PCIe/SSE2")
var rendererSlash = renderer.IndexOf('/');
if (rendererSlash != -1)
{
renderer = renderer.Substring(0, rendererSlash);
}
// Stay close to D3D: Remove "Corporation" from vendor
vendor = vendor.Replace(" Corporation", string.Empty);
// Generate adapter Description
Description = $"{vendor} {renderer}";
// get real values
// Note: using glGetIntegerv(GL_MAJOR_VERSION / GL_MINOR_VERSION) only works on opengl (es) >= 3.0
detectedVersion = versionMajor * 100 + versionMinor * 10;
supportedGraphicsProfile = OpenGLUtils.GetFeatureLevel(detectedVersion);
OpenGLVersion = detectedVersion;
OpenGLRenderer = renderer;
}
