private unsafe void UpdateUniform <T>(int uniformIndex, ShaderParam <T> p) where T : unmanaged
{
fixed(T *data = p.Data)
{
platformProgram.SetUniform(uniformIndex, new IntPtr(data), p.Count);
}
}
private unsafe void SyncIntVector2(int location, ShaderParam <IntVector2> param)
{
fixed(IntVector2 *dataPtr = param.Data)
{
GL.Uniform2(location, param.Count, (int *)dataPtr);
PlatformRenderer.CheckErrors();
}
}
private unsafe void SyncInt(int location, ShaderParam <int> param)
{
fixed(int *dataPtr = param.Data)
{
GL.Uniform1(location, param.Count, dataPtr);
PlatformRenderer.CheckErrors();
}
}
private unsafe void SyncFloatMatrix4x4(int location, ShaderParam <Matrix44> param)
{
fixed(Matrix44 *dataPtr = param.Data)
{
GL.UniformMatrix4(location, param.Count, false, (float *)dataPtr);
PlatformRenderer.CheckErrors();
}
}
private unsafe void SyncFloatVector4(int location, ShaderParam <Vector4> param)
{
fixed(Vector4 *dataPtr = param.Data)
{
GL.Uniform4(location, param.Count, (float *)dataPtr);
PlatformRenderer.CheckErrors();
}
}
private ShaderParam<T> GetParameter<T>(ShaderParamKey<T> key, int capacity)
{
var p = Items[key.Index] as ShaderParam<T>;
if (p == null || p.Data.Length < capacity) {
p = new ShaderParam<T>(capacity) { Name = key.Name };
Items[key.Index] = p;
}
return p;
}