mirror of
https://github.com/OPM/ResInsight.git
synced 2025-02-25 18:55:39 -06:00
100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
//##################################################################################################
|
|
//
|
|
// Custom Visualization Core library
|
|
// Copyright (C) 2011-2012 Ceetron AS
|
|
//
|
|
// This library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
// FITNESS FOR A PARTICULAR PURPOSE.
|
|
//
|
|
// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
|
|
// for more details.
|
|
//
|
|
//##################################################################################################
|
|
|
|
#pragma once
|
|
|
|
#include "cvfRenderState.h"
|
|
#include "cvfOpenGLTypes.h"
|
|
#include "cvfColor4.h"
|
|
|
|
|
|
namespace cvf {
|
|
|
|
|
|
|
|
//==================================================================================================
|
|
//
|
|
// Controls OpenGL blending
|
|
//
|
|
//==================================================================================================
|
|
class RenderStateBlending : public RenderState
|
|
{
|
|
public:
|
|
enum Function
|
|
{
|
|
ZERO,
|
|
ONE,
|
|
SRC_COLOR,
|
|
ONE_MINUS_SRC_COLOR,
|
|
DST_COLOR,
|
|
ONE_MINUS_DST_COLOR,
|
|
SRC_ALPHA,
|
|
ONE_MINUS_SRC_ALPHA,
|
|
DST_ALPHA,
|
|
ONE_MINUS_DST_ALPHA,
|
|
CONSTANT_COLOR,
|
|
ONE_MINUS_CONSTANT_COLOR,
|
|
CONSTANT_ALPHA,
|
|
ONE_MINUS_CONSTANT_ALPHA,
|
|
SRC_ALPHA_SATURATE
|
|
};
|
|
|
|
enum Equation
|
|
{
|
|
FUNC_ADD,
|
|
FUNC_SUBTRACT,
|
|
FUNC_REVERSE_SUBTRACT,
|
|
MIN, // Unsupported on OpenGL ES
|
|
MAX // Unsupported on OpenGL ES
|
|
};
|
|
|
|
public:
|
|
RenderStateBlending();
|
|
|
|
void enableBlending(bool blend);
|
|
void setFunction(Function source, Function destination);
|
|
void setEquation(Equation equation);
|
|
|
|
void setFunctionSeparate(Function sourceRGB, Function destinationRGB, Function sourceAlpha, Function destinationAlpha);
|
|
void setEquationSeparate(Equation equationRGB, Equation equationAlpha);
|
|
|
|
void setBlendColor(Color4f blendColor);
|
|
|
|
void configureTransparencyBlending();
|
|
|
|
virtual void applyOpenGL(OpenGLContext* oglContext) const;
|
|
|
|
private:
|
|
cvfGLenum blendFuncOpenGL(Function func) const;
|
|
cvfGLenum blendEquationOpenGL(Equation eq) const;
|
|
|
|
private:
|
|
bool m_enableBlending;
|
|
Function m_funcSourceRGB;
|
|
Function m_funcDestinationRGB;
|
|
Function m_funcSourceAlpha;
|
|
Function m_funcDestinationAlpha;
|
|
Equation m_equationRGB;
|
|
Equation m_equationAlpha;
|
|
Color4f m_blendColor;
|
|
};
|
|
|
|
|
|
} // namespace cvf
|