public IBuffer GetVertexBuffer(VertexFormat vertexFormat, BufferUsageHint bufferUsageHint)
{
if (Configuration.useGl1 || Configuration.useOpenRL)
{
// \todo Do index remapping due to lack on DrawElementsBaseVertex()
return(BufferFactory.Create(vertexFormat, bufferUsageHint));
}
//return BufferFactory.Create(vertexFormat, bufferUsageHint);
#if true
lock (this)
{
var kvp = new KeyValuePair <VertexFormat, BufferUsageHint>(vertexFormat, bufferUsageHint);
if (vertexBuffers.ContainsKey(kvp))
{
//Console.WriteLine("Returning old vertex buffer, vertex format = " + vertexFormat.ToString());
if (vertexFormat.Stride != vertexBuffers[kvp].VertexFormat.Stride)
{
throw new Exception("");
}
return(vertexBuffers[kvp]);
}
//Console.WriteLine("Creating new vertex buffer, vertex format = " + vertexFormat.ToString());
var buffer = BufferFactory.Create(vertexFormat, bufferUsageHint);
vertexBuffers[kvp] = buffer;
return(buffer);
}
#endif
}
public BufferRL GetUniformBufferRL(BufferUsageHint usage)
{
// Current OpenRL API rlUniformBlockBuffer() needs
// exactly one buffer object per uniform block
// so we can not share the same buffer to multiple
// uniform blocks.
var buffer = new BufferRL(Caustic.OpenRL.BufferTarget.UniformBlockBuffer, (Caustic.OpenRL.BufferUsageHint)usage);
return(buffer);
}
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
}
public IBuffer GetIndexBuffer(DrawElementsType indexType, BufferUsageHint bufferUsageHint)
{
if (RenderStack.Graphics.Configuration.useGl1 || Configuration.useOpenRL)
{
// \todo Do index remapping due to lack on DrawElementsBaseVertex()
return(BufferFactory.Create(indexType, bufferUsageHint));
}
// return new Buffer(indexType, bufferUsageHint);
#if true
lock (this)
{
var kvp = new KeyValuePair <DrawElementsType, BufferUsageHint>(indexType, bufferUsageHint);
if (indexBuffers.ContainsKey(kvp))
{
//Debug.WriteLine("Returning old index buffer, index type = " + indexType.ToString());
return(indexBuffers[kvp]);
}
//Debug.WriteLine("Creating new index buffer, index type = " + indexType.ToString());
var buffer = BufferFactory.Create(indexType, bufferUsageHint);
indexBuffers[kvp] = buffer;
return(buffer);
}
#endif
}
public void BufferData(System.Single[] data, OpenTK.Graphics.OpenGL.BufferUsageHint usageHint)
{
OpenTK.Graphics.OpenGL.GL.BindBuffer(this.Type, this.Address);
OpenTK.Graphics.OpenGL.GL.BufferData(this.Type, data.Length * sizeof(System.Single), data, usageHint);
}
