// Vertex Buffer
public BufferRangeGL(BufferGL buffer)
{
this.buffer = buffer;
unchecked
{
// Vertex buffers do not have a valid begin mode value
this.beginMode = (BeginMode)(uint.MaxValue);
}
}
public BufferGL GetUniformBufferGL(BufferUsageHint usage)
{
if (Configuration.useGl1)
{
throw new InvalidOperationException("GL1 does not support uniform buffers");
}
//return new Buffer(BufferTarget.UniformBuffer, usage);
#if true
lock (this)
{
if (uniformBuffersGL.ContainsKey(usage))
{
//Debug.WriteLine("Returning old uniform buffer, usage = " + usage.ToString());
return(uniformBuffersGL[usage]);
}
//Debug.WriteLine("Creating new uniform buffer, usage = " + usage.ToString());
var buffer = new BufferGL(BufferTarget.UniformBuffer, usage);
uniformBuffersGL[usage] = buffer;
return(buffer);
}
#endif
}
// Uniform Buffer
public BufferRangeGL(BufferGL buffer, IUniformBlock uniformBlock)
{
#if DEBUG
if (Configuration.useGl1)
{
throw new InvalidOperationException();
}
#endif
this.uniformBlock = uniformBlock as UniformBlockGL;
if (this.uniformBlock == null)
{
throw new InvalidOperationException();
}
this.buffer = buffer;
unchecked
{
this.beginMode = (BeginMode)(uint.MaxValue); // uniform buffers do not have a valid begin mode value
}
// Pre-initialize uniform buffer as we do not use BeginEdit() / EndEdit()
size = uniformBlock.Size;
data = new byte[size];
}
public void UseUniformBufferGL()
{
#if DEBUG
if (Configuration.useGl1)
{
throw new InvalidOperationException();
}
#endif
#if DEBUG_UNIFORM_BUFFER
System.Diagnostics.Debug.WriteLine(
"GL.BindBufferRange(BufferTarget.UniformBuffer, " +
uniformBlock.BindingPoint + ", " +
(int)Buffer.BufferObject + ", " +
(IntPtr)offsetBytes + ", " +
(IntPtr)size +
"); " + Name + " block " + uniformBlock.Name
);
#endif
BufferGL.BindRange(
uniformBlock.BindingPointGL,
(IntPtr)offsetBytes,
(IntPtr)size
);
}
// Index buffer, with valid begin mode
internal BufferRangeGL(BufferGL buffer, BeginMode beginMode)
{
this.buffer = buffer;
this.beginMode = beginMode;
}
public static void PerformDelayedUpdates()
{
BufferGL.PerformDelayedUpdates();
}
internal BufferGLRL(DrawElementsType indexType, BufferUsageHint usageHint)
{
bufferGL = new BufferGL(indexType, usageHint);
bufferRL = new BufferRL((Caustic.OpenRL.DrawElementsType)indexType, (Caustic.OpenRL.BufferUsageHint)usageHint);
}
internal BufferGLRL(VertexFormat vertexFormat, BufferUsageHint usageHint)
{
bufferGL = new BufferGL(vertexFormat, usageHint);
bufferRL = new BufferRL(vertexFormat, (Caustic.OpenRL.BufferUsageHint)usageHint);
}
internal BufferGLRL(BufferTarget target, BufferUsageHint usageHint)
{
bufferGL = new BufferGL(target, usageHint);
bufferRL = new BufferRL((Caustic.OpenRL.BufferTarget)target, (Caustic.OpenRL.BufferUsageHint)usageHint);
}