//public static DispatchComputeDelegate DispatchComputePointer;
//public static TexStorage2DDelegate TexStorage2DPointer;
//public static VertexAttribFormatDelegate VertexAttribFormatPointer;
public static void Setup(IGraphicsContextInternal context)
{
Context = context;
//MustGet(context, "glDispatchCompute", out DispatchCompute);
//MustGet(context, "glTexStorage2D", out TexStorage2D);
//MustGet(context, "glVertexAttribFormat", out VertexAttribFormat);
}
// Loads all available entry points for the current API.
// Note: we prefer IGraphicsContextInternal.GetAddress over
// this.GetAddress to improve loading performance (less
// validation necessary.)
internal override void LoadEntryPoints()
{
Debug.Print("Loading entry points for {0}", GetType().FullName);
IGraphicsContext context = GraphicsContext.CurrentContext;
if (context == null)
{
throw new GraphicsContextMissingException();
}
IGraphicsContextInternal context_internal = context as IGraphicsContextInternal;
unsafe
{
fixed(byte *name = _EntryPointNamesInstance)
{
for (int i = 0; i < _EntryPointsInstance.Length; i++)
{
_EntryPointsInstance[i] = context_internal.GetAddress(
new IntPtr(name + _EntryPointNameOffsetsInstance[i]));
}
}
}
}
static void RemoveContext(IGraphicsContextInternal context)
{
ContextHandle ctx = context.Context;
if (available_contexts.ContainsKey(ctx))
{
available_contexts.Remove(ctx);
}
else
{
Debug.Print("Tried to remove non-existent GraphicsContext handle {0}. Call Dispose() to avoid this error.", ctx);
}
}
private static void RemoveContext(IGraphicsContextInternal context)
{
ContextHandle ctx = context.Context;
if (available_contexts.ContainsKey(ctx))
{
available_contexts.Remove(ctx);
}
else
{
Debug.WriteLine("");
Debug.WriteLine($"Tried to remove non-existent GraphicsContext handle {ctx}. Call Dispose() to avoid this error.");
}
}
private static void AddContext(IGraphicsContextInternal context)
{
ContextHandle ctx = context.Context;
if (!available_contexts.ContainsKey(ctx))
{
available_contexts.Add(ctx, (IGraphicsContext)context);
}
else
{
Debug.WriteLine($"A GraphicsContext with handle {ctx} already exists.");
Debug.WriteLine("Did you forget to call Dispose()?");
available_contexts[ctx] = (IGraphicsContext)context;
}
}
public static void AddContext(IGraphicsContextInternal context)
{
ContextHandle ctx = context.Context;
if (!available_contexts.ContainsKey(ctx))
{
available_contexts.Add(ctx, (IGraphicsContext)context);
}
else
{
Debug.Print("A GraphicsContext with handle {0} already exists.", ctx);
Debug.Print("Did you forget to call Dispose()?");
available_contexts[ctx] = (IGraphicsContext)context;
}
}
// Loads all available entry points for the current API.
// Note: we prefer IGraphicsContextInternal.GetAddress over
// this.GetAddress to improve loading performance (less
// validation necessary.)
internal override void LoadEntryPoints()
{
IGraphicsContext context = GraphicsContext.CurrentContext;
if (context == null)
{
throw new GraphicsContextMissingException();
}
IGraphicsContextInternal context_internal = context as IGraphicsContextInternal;
for (int i = 0; i < EntryPointsInstance.Length; i++)
{
EntryPointsInstance[i] = context_internal.GetAddress(EntryPointNamesInstance[i]);
}
}
public void SetupClContext()
{
CanUseDouble = CanUseInterop = false;
if (clPlatform == null ||
comboBoxDevice.SelectedIndex >= clPlatform.Devices.Count)
{
clDevice = null;
clContext = null;
return;
}
try
{
clDevice = clPlatform.Devices[comboBoxDevice.SelectedIndex];
ComputeContextPropertyList properties = new ComputeContextPropertyList(clPlatform);
IGraphicsContextInternal ctx = (IGraphicsContextInternal)GraphicsContext.CurrentContext;
properties.Add(new ComputeContextProperty(ComputeContextPropertyName.CL_GL_CONTEXT_KHR, ctx.Context.Handle));
properties.Add(new ComputeContextProperty(ComputeContextPropertyName.CL_WGL_HDC_KHR, OpenGL.wglGetCurrentDC()));
properties.Add(new ComputeContextProperty(ComputeContextPropertyName.Platform, clPlatform.Handle.Value));
clContext = new ComputeContext(new ComputeDevice[] { clDevice }, properties, null, IntPtr.Zero);
// check the double-extension:
CanUseDouble = ClInfo.ExtensionCheck(clContext, "cl_khr_fp64");
CanUseInterop = ClInfo.ExtensionCheck(clContext, "cl_khr_gl_sharing");
ClInfo.LogCLProperties(clContext, true);
}
catch (Exception exc)
{
Util.LogFormat("OpenCL error: {0}", exc.Message);
clDevice = null;
clContext = null;
}
bool enableDouble = !checkOpenCL.Checked ||
CanUseDouble;
checkDouble.Enabled = enableDouble;
checkInterop.Enabled = CanUseInterop;
}
static void RemoveContext(IGraphicsContextInternal context)
{
ContextHandle ctx = context.Context;
if (available_contexts.ContainsKey(ctx))
{
available_contexts.Remove(ctx);
}
else
{
Debug.Print("Tried to remove non-existent GraphicsContext handle {0}. Call Dispose() to avoid this error.", ctx);
}
}
static void AddContext(IGraphicsContextInternal context)
{
ContextHandle ctx = context.Context;
if (!available_contexts.ContainsKey(ctx))
{
available_contexts.Add(ctx, (IGraphicsContext)context);
}
else
{
Debug.Print("A GraphicsContext with handle {0} already exists.", ctx);
Debug.Print("Did you forget to call Dispose()?");
available_contexts[ctx] = (IGraphicsContext)context;
}
}
static void MustGet <T>(IGraphicsContextInternal context, string name, out T result) where T : class
{
IntPtr pointer = context.GetAddress(name);
result = (T)(object)Marshal.GetDelegateForFunctionPointer(pointer, typeof(T));
}
public void SetTarget(IGraphicsContext graphicsContext)
{
target = graphicsContext;
targetInternal = (IGraphicsContextInternal)graphicsContext;
}
