public void GraphicsCapabilitiesIsBlendEquationSupported()
{
tlog.Debug(tag, $"GraphicsCapabilitiesIsBlendEquationSupported START");
try
{
GraphicsCapabilities.IsBlendEquationSupported(BlendEquationType.Color);
}
catch (Exception e)
{
tlog.Debug(tag, e.Message.ToString());
Assert.Fail("Caught Exception: Failed!");
}
tlog.Debug(tag, $"GraphicsCapabilitiesIsBlendEquationSupported END (OK)");
}
public GraphicsDevice(IGameWindow window, IWindowContainer container, GraphicsContext context, DeviceCreationFlags creationFlags)
{
if (window == null)
{
throw new ArgumentNullException("window");
}
if (container == null)
{
throw new ArgumentNullException("container");
}
if (context == null)
{
throw new ArgumentNullException("context");
}
if (context.IsDisposed)
{
throw new ArgumentException("context is disposed.", "context");
}
this.DefaultWindow = window;
this.container = container;
this.Context = context;
this.CreationFlags = creationFlags;
Log.Debug("Got context: [ColorFormat: {0}, Depth: {1}, Stencil: {2}, FSAA Samples: {3}, AccumulatorFormat: {4}, Buffers: {5}, Stereo: {6}]",
Context.GraphicsMode.ColorFormat,
Context.GraphicsMode.Depth,
Context.GraphicsMode.Stencil,
Context.GraphicsMode.Samples,
Context.GraphicsMode.AccumulatorFormat,
Context.GraphicsMode.Buffers,
Context.GraphicsMode.Stereo);
Context.LoadAll();
capabilities = new GraphicsCapabilities();
CheckGraphicsCapabilities(LogLevel.Verbose);
Factory = new GraphicsFactory(this);
BindManager = new OpenGL4.BindManager(this);
this.RenderContext = new RenderContext(this);
Context.MakeCurrent(null);
}
private void CheckGraphicsCapabilities(LogLevel logLevel)
{
openGLCapabilities = new OpenGLGraphicsCapabilities();
capabilities = new GraphicsCapabilities();
openGLCapabilities.OpenGLVersion = new Version(GL.GetInteger(GetPName.MajorVersion), GL.GetInteger(GetPName.MinorVersion));
Log.Write(logLevel, "OpenGL Diagnostics:");
Log.Write(logLevel, "\tOpenGL Version: {0}", openGLCapabilities.OpenGLVersion.ToString());
//GLSL Version string auslesen
string glslVersionString = "";
if (openGLCapabilities.OpenGLVersion >= new Version(4, 3) && !string.IsNullOrWhiteSpace(glslVersionString = GL.GetString(StringName.ShadingLanguageVersion)))
{
string glslVersionStringMajor = glslVersionString.Substring(0, glslVersionString.IndexOf('.'));
string glslVersionStringMinor = glslVersionString.Substring(glslVersionString.IndexOf('.') + 1, 1);
int glslVersionMajor;
int glslVersionMinor;
if (!int.TryParse(glslVersionStringMajor, out glslVersionMajor) || !int.TryParse(glslVersionStringMinor, out glslVersionMinor))
{
throw new DotGame.Graphics.GraphicsException("Could not determine supported GLSL version");
}
//Nicht Version mit String initialisieren da 4.40 als Major 4 und Minor 40 aufgefasst wird
openGLCapabilities.GLSLVersion = new Version(glslVersionMajor, glslVersionMinor);
}
else if (glslVersions.ContainsKey(openGLCapabilities.OpenGLVersion))
{
openGLCapabilities.GLSLVersion = glslVersions[openGLCapabilities.OpenGLVersion];
}
else
{
throw new Exception("Could not determine supported GLSL version");
}
CheckGLError("Init Version");
Log.Write(logLevel, "\tGLSL Version: {0}", openGLCapabilities.GLSLVersion.ToString());
Log.Write(logLevel, "\tExtensions supported:");
//Extensions überprüfen
int extensionCount = GL.GetInteger(GetPName.NumExtensions);
var extensions = new List <string>();
if (GL.GetError() == ErrorCode.NoError)
{
for (int i = 0; i < extensionCount; i++)
{
extensions.Add(GL.GetString(StringNameIndexed.Extensions, i));
}
}
else
{
var extensionString = GL.GetString(StringName.Extensions);
extensions.AddRange(extensionString.Split(' '));
}
foreach (var extension in extensions)
{
switch (extension)
{
case "GL_EXT_texture_compression_s3tc":
openGLCapabilities.SupportsS3TextureCompression = true;
Log.Write(logLevel, "\t\t" + "GL_EXT_texture_compression_s3tc");
break;
case "GL_EXT_texture_filter_anisotropic":
openGLCapabilities.SupportsAnisotropicFiltering = true;
openGLCapabilities.MaxAnisotropicFiltering = (int)GL.GetFloat((GetPName)OpenTK.Graphics.OpenGL.ExtTextureFilterAnisotropic.MaxTextureMaxAnisotropyExt);
Log.Write(logLevel, "\t\t" + "GL_EXT_texture_filter_anisotropic");
CheckGLError("Init GL_EXT_texture_filter_anisotropic");
break;
case "GL_ARB_debug_output":
openGLCapabilities.SupportsDebugOutput = true;
if (CreationFlags.HasFlag(DeviceCreationFlags.Debug))
{
onDebugMessage = new DebugProc(OnDebugMessage);
GL.Enable(EnableCap.DebugOutput);
GL.DebugMessageCallback(onDebugMessage, IntPtr.Zero);
GL.DebugMessageControl(DebugSourceControl.DontCare, DebugTypeControl.DontCare, DebugSeverityControl.DontCare, 0, new int[0], true);
}
Log.Write(logLevel, "\t\t" + "GL_ARB_debug_output");
CheckGLError("Init GL_ARB_debug_output");
break;
case "GL_ARB_get_program_binary":
capabilities.SupportsBinaryShaders = true;
Log.Write(logLevel, "\t\t" + "GL_ARB_get_program_binary");
break;
case "GL_ARB_texture_storage":
openGLCapabilities.SupportsTextureStorage = true;
Log.Write(logLevel, "\t\t" + "GL_ARB_texture_storage");
break;
case "GL_ARB_buffer_storage":
openGLCapabilities.SupportsBufferStorage = true;
Log.Write(logLevel, "\t\t" + "GL_ARB_buffer_storage");
break;
case "GL_ARB_invalidate_subdata":
openGLCapabilities.SupportsResourceValidation = true;
Log.Write(logLevel, "\t\t" + "GL_ARB_invalidate_subdata");
break;
case "GL_EXT_direct_state_access":
if (openGLCapabilities.DirectStateAccess == DirectStateAccess.None)
{
openGLCapabilities.DirectStateAccess = DirectStateAccess.Extension;
}
Log.Write(logLevel, "\t\t" + "GL_EXT_direct_state_access");
break;
case "GL_ARB_direct_state_access":
//openGLCapabilities.DirectStateAccess = DirectStateAccess.Core;
Log.Write(logLevel, "\t\t" + "GL_ARB_direct_state_access");
break;
case "GL_ARB_vertex_attrib_binding":
openGLCapabilities.VertexAttribBinding = true;
openGLCapabilities.MaxVertexAttribBindings = GL.GetInteger((GetPName)All.MaxVertexAttribBindings);
openGLCapabilities.MaxVertexAttribBindingOffset = GL.GetInteger((GetPName)All.MaxVertexAttribRelativeOffset);
openGLCapabilities.MaxVertexAttribStride = GL.GetInteger((GetPName)All.MaxVertexAttribStride);
Log.Write(logLevel, "\t\t" + "GL_ARB_vertex_attrib_binding");
CheckGLError("Init GL_ARB_vertex_attrib_binding");
break;
}
}
openGLCapabilities.TextureUnits = GL.GetInteger(GetPName.MaxCombinedTextureImageUnits);
CheckGLError("Init MaxCombinedTextureImageUnits");
openGLCapabilities.MaxTextureLoDBias = GL.GetInteger(GetPName.MaxTextureLodBias);
CheckGLError("Init MaxTextureLodBias");
openGLCapabilities.MaxTextureSize = GL.GetInteger(GetPName.MaxTextureSize);
CheckGLError("Init MaxTextureSize");
openGLCapabilities.MaxVertexAttribs = GL.GetInteger(GetPName.MaxVertexAttribs);
CheckGLError("Init MaxVertexAttribs");
openGLCapabilities.MaxUniformBlockSize = GL.GetInteger(GetPName.MaxUniformBlockSize);
CheckGLError("Init MaxUniformBlockSize");
openGLCapabilities.MaxUniformBufferBindings = GL.GetInteger(GetPName.MaxUniformBufferBindings);
CheckGLError("Init MaxUniformBufferBindings");
}
internal static void Initialize(GraphicsDevice device)
{
GraphicsCapabilities.NonPowerOfTwo = GraphicsCapabilities.GetNonPowerOfTwo(device);
GraphicsCapabilities.TextureFilterAnisotric = true;
}