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Diffstat (limited to 'src/graphics/StandardShader.h')
-rw-r--r-- | src/graphics/StandardShader.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/graphics/StandardShader.h b/src/graphics/StandardShader.h new file mode 100644 index 0000000..b22bd0a --- /dev/null +++ b/src/graphics/StandardShader.h @@ -0,0 +1,106 @@ +// +// libavg - Media Playback Engine. +// Copyright (C) 2003-2014 Ulrich von Zadow +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 2 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 +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +// Current versions can be found at www.libavg.de +// + +#ifndef _StandardShader_H_ +#define _StandardShader_H_ + +#include "../api.h" +#include "OGLHelper.h" +#include "OGLShader.h" +#include "GLShaderParam.h" +#include "GLTexture.h" + +#include "../base/GLMHelper.h" + +#include <boost/shared_ptr.hpp> + +#include <string> + +namespace avg { + +class StandardShader; +typedef boost::shared_ptr<StandardShader> StandardShaderPtr; + +class AVG_API StandardShader { +public: + static StandardShaderPtr get(); + StandardShader(); + virtual ~StandardShader(); + + void activate(); + + void setTransform(const glm::mat4& transform); + void setColorModel(int model); + void setAlpha(float alpha); + void setUntextured(); + void setColorspaceMatrix(const glm::mat4& mat); + void disableColorspaceMatrix(); + void setGamma(const glm::vec4& gamma); + void setPremultipliedAlpha(bool bPremultipliedAlpha); + void setMask(bool bUseMask, const glm::vec2& maskPos = glm::vec2(0,0), + const glm::vec2& maskSize = glm::vec2(0,0)); + + const OGLShaderPtr& getShader() const; + + void dump() const; + +private: + void generateWhiteTexture(); + bool useMinimalShader() const; + + GLTexturePtr m_pWhiteTex; + + glm::mat4 m_Transform; + int m_ColorModel; + float m_Alpha; + bool m_bUseColorCoeff; + glm::mat4 m_ColorMatrix; + glm::vec4 m_Gamma; + bool m_bPremultipliedAlpha; + bool m_bUseMask; + glm::vec2 m_MaskPos; + glm::vec2 m_MaskSize; + + OGLShaderPtr m_pShader; + OGLShaderPtr m_pMinimalShader; + + IntGLShaderParamPtr m_pColorModelParam; + FloatGLShaderParamPtr m_pAlphaParam; + + Vec4fGLShaderParamPtr m_pColorCoeff0Param; + Vec4fGLShaderParamPtr m_pColorCoeff1Param; + Vec4fGLShaderParamPtr m_pColorCoeff2Param; + Vec4fGLShaderParamPtr m_pColorCoeff3Param; + Vec4fGLShaderParamPtr m_pGammaParam; + + IntGLShaderParamPtr m_pUseColorCoeffParam; + IntGLShaderParamPtr m_pPremultipliedAlphaParam; + IntGLShaderParamPtr m_pUseMaskParam; + Vec2fGLShaderParamPtr m_pMaskPosParam; + Vec2fGLShaderParamPtr m_pMaskSizeParam; + + FloatGLShaderParamPtr m_pMinimalAlphaParam; +}; + +} + +#endif + |