private void SetupVertexFormat(BatchInfo material, VertexDeclaration vertexDeclaration)
{
DrawTechnique technique = material.Technique.Res ?? DrawTechnique.Solid.Res;
NativeShaderProgram nativeProgram = (technique.NativeShader ?? DrawTechnique.Solid.Res.NativeShader) as NativeShaderProgram;
VertexElement[] elements = vertexDeclaration.Elements;
for (int elementIndex = 0; elementIndex < elements.Length; elementIndex++)
{
int fieldIndex = nativeProgram.SelectField(ref elements[elementIndex]);
if (fieldIndex == -1)
{
continue;
}
VertexAttribPointerType attribType;
switch (elements[elementIndex].Type)
{
default:
case VertexElementType.Float: attribType = VertexAttribPointerType.Float; break;
case VertexElementType.Byte: attribType = VertexAttribPointerType.UnsignedByte; break;
}
int fieldLocation = nativeProgram.FieldLocations[fieldIndex];
GL.EnableVertexAttribArray(fieldLocation);
GL.VertexAttribPointer(
fieldLocation,
elements[elementIndex].Count,
attribType,
true,
vertexDeclaration.Size,
elements[elementIndex].Offset);
}
}
private void FinishVertexFormat(BatchInfo material, VertexDeclaration vertexDeclaration)
{
DrawTechnique technique = material.Technique.Res ?? DrawTechnique.Solid.Res;
NativeShaderProgram nativeProgram = (technique.NativeShader ?? DrawTechnique.Solid.Res.NativeShader) as NativeShaderProgram;
VertexElement[] elements = vertexDeclaration.Elements;
for (int elementIndex = 0; elementIndex < elements.Length; elementIndex++)
{
int fieldIndex = nativeProgram.SelectField(ref elements[elementIndex]);
if (fieldIndex == -1)
{
break;
}
int fieldLocation = nativeProgram.FieldLocations[fieldIndex];
GL.DisableVertexAttribArray(fieldLocation);
}
}