private void UpdateVB(int num, void *ptr)
{
if (_vertexBufferData == null || _vertexBufferData.Length < num)
{
_vertexBufferData = new Vertex[num + 200];
if (_vertexBuffer != null)
{
_vertexBuffer.Dispose();
}
_vertexBuffer = _inputDataProcessor.CreateDynamicBuffer(_vertexBufferData.Length);
}
fixed(Vertex *dest = _vertexBufferData)
{
Buffer.MemoryCopy(ptr, dest,
Marshal.SizeOf <Vertex>() * _vertexBufferData.Length,
Marshal.SizeOf <Vertex>() * num);
}
_vertexBuffer.Update(_vertexBufferData);
}
public Sprite(LightDevice device)
{
_device = device;
device.AddComponent(this);
_pipeline = device.CompilePipeline(InputTopology.Triangle,
ShaderSource.FromString(PipelineCode, ShaderType.Vertex | ShaderType.Pixel));
_pipeline.SetBlender(Blender.AlphaBlender);
_vertexProcessor = _pipeline.CreateVertexDataProcessor <Vertex>();
_array = new[] {
new Vertex {
TexCoord = new Vector4(0, 0, 0, 0), Position = new Vector4(0, 0, 0, 0)
},
new Vertex {
TexCoord = new Vector4(1, 0, 0, 0), Position = new Vector4(1, 0, 0, 0)
},
new Vertex {
TexCoord = new Vector4(0, 1, 0, 0), Position = new Vector4(0, 1, 0, 0)
},
new Vertex {
TexCoord = new Vector4(0, 1, 0, 0), Position = new Vector4(0, 1, 0, 0)
},
new Vertex {
TexCoord = new Vector4(1, 0, 0, 0), Position = new Vector4(1, 0, 0, 0)
},
new Vertex {
TexCoord = new Vector4(1, 1, 0, 0), Position = new Vector4(1, 1, 0, 0)
},
};
_buffer = _vertexProcessor.CreateDynamicBuffer(6);
_constant = _pipeline.CreateConstantBuffer <VSConstant>();
_pipeline.SetConstant(ShaderType.Vertex, 0, _constant);
}
public VertexBuffer CreateDynamic(int size)
{
return(_inputProcessor.CreateDynamicBuffer(size));
}
