public override void PrepareForRendering(ShaderParameterBindings shaderParameterBindings)
{
var shader_parameter_bindings = shaderParameterBindings.GetShaderParameterBindings();
bool isTextured = false;
//shaderParameterBinding
foreach (var iter in shader_parameter_bindings)
{
var parameter = iter.Value;
var parameterType = parameter.GetParamType();
switch (parameterType)
{
case ShaderParamType.SPT_TEXTURE:
var parameterTexture = (ShaderParameterTexture)parameter;
var openglTexture = (OpenGLTexture)parameterTexture.d_parameterValue;
OpenGL.GL.ActiveTexture(OpenGL.TextureUnit.Texture0);
OpenGL.GL.ClientActiveTexture(OpenGL.TextureUnit.Texture0);
OpenGL.GL.BindTexture(OpenGL.TextureTarget.Texture2D, openglTexture.GetOpenGLTexture());
isTextured = true;
break;
}
}
if (isTextured)
{
OpenGL.GL.EnableClientState(OpenGL.ArrayCap.TextureCoordArray);
OpenGL.GL.Enable(OpenGL.EnableCap.Texture2D);
}
else
{
OpenGL.GL.DisableClientState(OpenGL.ArrayCap.TextureCoordArray);
OpenGL.GL.Disable(OpenGL.EnableCap.Texture2D);
}
}
// TODO: ~OpenGLBaseShaderWrapper() {}
// Implementation of ShaderWrapper interface
public override void PrepareForRendering(ShaderParameterBindings shaderParameterBindings)
{
d_shader.Bind();
var shader_parameter_bindings = shaderParameterBindings.GetShaderParameterBindings();
foreach (var iter in shader_parameter_bindings)
{
var parameter = iter.Value;
if (parameter.GetParamType() != ShaderParamType.SPT_TEXTURE)
{
if (d_shaderParameterStates.ContainsKey(iter.Key))
{
var last_shader_parameter = d_shaderParameterStates[iter.Key];
if (parameter.Equal(last_shader_parameter))
{
continue;
}
else
{
if (parameter.GetParamType() == last_shader_parameter.GetParamType())
{
last_shader_parameter.TakeOverParameterValue(parameter);
}
else
{
// TODO: ... delete found_iterator->second;
d_shaderParameterStates[iter.Key] = parameter.Clone();
}
}
}
else
{
d_shaderParameterStates[iter.Key] = parameter.Clone();
}
}
var location = d_uniformVariables[iter.Key];
var parameter_type = parameter.GetParamType();
switch (parameter_type)
{
case ShaderParamType.SPT_INT:
{
var parameterInt = (ShaderParameterInt)parameter;
OpenGL.GL.Uniform1i(location, parameterInt.d_parameterValue);
}
break;
case ShaderParamType.SPT_FLOAT:
{
var parameterFloat = (ShaderParameterFloat)parameter;
OpenGL.GL.Uniform1f(location, parameterFloat.d_parameterValue);
}
break;
case ShaderParamType.SPT_MATRIX_4X4:
{
var parameterMatrix = (ShaderParameterMatrix)parameter;
OpenGL.GL.UniformMatrix4(location, 1, false, ref parameterMatrix.d_parameterValue);
}
break;
case ShaderParamType.SPT_TEXTURE:
{
var parameterTexture = (ShaderParameterTexture)parameter;
var openglTexture = (OpenGLTexture)parameterTexture.d_parameterValue;
d_glStateChangeWrapper.ActiveTexture(location);
d_glStateChangeWrapper.BindTexture(OpenGL.TextureTarget.Texture2D,
openglTexture.GetOpenGLTexture());
}
break;
}
}
}