/// <summary>
///
/// </summary>
/// <param name="model">从模型到buffer的renderer</param>
/// <param name="allShaderCodes">shader代码</param>
/// <param name="propertyNameMap">vertex shader中的in变量与<see cref="propertyBufferRenderers"/>中的元素名字的对应关系。</param>
public ModernRenderer(IConvert2BufferPointer model, CodeShader[] allShaderCodes, PropertyNameMap propertyNameMap, UniformNameMap uniformNameMap)
{
this.model = model;
this.allShaderCodes = allShaderCodes;
this.propertyNameMap = propertyNameMap;
this.uniformNameMap = uniformNameMap;
}
protected override void DoInitialize()
{
// init shader program
ShaderProgram program = new ShaderProgram();
string vertexShaderCode = null, geometryShaderCode = null, fragmentShaderCode = null;
FillShaderCodes(this.allShaderCodes, ref vertexShaderCode, ref geometryShaderCode, ref fragmentShaderCode);
program.Create(vertexShaderCode, fragmentShaderCode, geometryShaderCode, null);
this.shaderProgram = program;
// init all uniform variables
this.uniformVariables = GetAllUniformVariables(this.allShaderCodes);
// init property buffer objects' renderer
var propertyBufferRenderers = new BufferPointer[propertyNameMap.Count()];
int index = 0;
foreach (var item in propertyNameMap)
{
BufferPointer bufferRenderer = this.model.GetBufferRenderer(
item.NameInIConvert2BufferRenderer, item.VarNameInShader);
if (bufferRenderer == null)
{
throw new Exception();
}
propertyBufferRenderers[index++] = bufferRenderer;
}
this.propertyBufferRenderers = propertyBufferRenderers;
// init index buffer object's renderer
this.indexBufferRenderer = this.model.GetIndexBufferRenderer();
this.model = null;
this.allShaderCodes = null;
this.propertyNameMap = null;
//this.uniformNameMap = null;
{
IndexBufferPointer renderer = this.indexBufferRenderer as IndexBufferPointer;
if (renderer != null)
{
this.elementCount = renderer.ElementCount;
}
}
{
ZeroIndexBufferPointer renderer = this.indexBufferRenderer as ZeroIndexBufferPointer;
if (renderer != null)
{
this.elementCount = renderer.VertexCount;
}
}
}
public static PropertyNameMap Parse(XElement xElement)
{
if (xElement.Name != typeof(PropertyNameMap).Name)
{
throw new Exception();
}
PropertyNameMap result = new PropertyNameMap();
//result.DumperType = xElement.Attribute(strDumperType).Value;
//result.RendererType = xElement.Attribute(strRendererType).Value;
foreach (var item in xElement.Elements(typeof(NamePair).Name))
{
var pair = NamePair.Parse(item);
result.namesInShader.Add(pair.VarNameInShader);
result.namesInIConvert2BufferRenderer.Add(pair.NameInIConvert2BufferRenderer);
}
return(result);
}
