ebb0dc1454
Added a C++ and a GLSL implementation of a 64-bit CRC algorithm. Changed hardcoded checksum value in ooxmlimport unit test (testN777345). Change-Id: I16bb985a14866775efda49e21fe033ff64645896
89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef INCLUDED_VCL_INC_OPENGL_PROGRAM_H
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#define INCLUDED_VCL_INC_OPENGL_PROGRAM_H
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#include <sal/config.h>
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#include <list>
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#include <GL/glew.h>
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#include <vcl/dllapi.h>
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#include <basegfx/point/b2dpoint.hxx>
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#include <rtl/ustring.hxx>
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#include <tools/color.hxx>
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#include <opengl/texture.hxx>
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#include <unordered_map>
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typedef std::unordered_map< OString, GLuint, OStringHash > UniformCache;
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typedef std::list< OpenGLTexture > TextureList;
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class VCL_PLUGIN_PUBLIC OpenGLProgram
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{
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private:
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GLuint mnId;
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UniformCache maUniformLocations;
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sal_uInt32 mnEnabledAttribs;
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GLuint mnPositionAttrib;
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GLuint mnTexCoordAttrib;
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GLuint mnAlphaCoordAttrib;
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GLuint mnMaskCoordAttrib;
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TextureList maTextures;
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bool mbBlending;
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float mfLastWidth;
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float mfLastHeight;
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float mfLastPixelOffset;
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OpenGLProgram(const OpenGLProgram &) SAL_DELETED_FUNCTION;
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public:
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OpenGLProgram();
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~OpenGLProgram();
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bool Load( const OUString& rVertexShader, const OUString& rFragmentShader, const OString& preamble = "" );
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bool Use();
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bool Clean();
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void SetVertices( const GLvoid* pData );
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void SetTextureCoord( const GLvoid* pData );
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void SetAlphaCoord( const GLvoid* pData );
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void SetMaskCoord(const GLvoid* pData);
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void SetUniform1f( const OString& rName, GLfloat v1 );
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void SetUniform2f( const OString& rName, GLfloat v1, GLfloat v2 );
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void SetUniform1fv( const OString& rName, GLsizei nCount, GLfloat* aValues );
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void SetUniform2fv( const OString& rName, GLsizei nCount, GLfloat* aValues );
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void SetUniform1i( const OString& rName, GLint v1 );
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void SetColor( const OString& rName, const Color& rColor );
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void SetColor( const OString& rName, SalColor nColor, sal_uInt8 nTransparency );
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void SetColorf( const OString& rName, SalColor nColor, double fTransparency );
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void SetColorWithIntensity( const OString& rName, const Color& rColor, long nFactor );
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void SetTexture( const OString& rName, OpenGLTexture& rTexture );
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void SetTransform( const OString& rName, const OpenGLTexture& rTexture,
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const basegfx::B2DPoint& rNull, const basegfx::B2DPoint& rX,
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const basegfx::B2DPoint& rY );
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void SetBlendMode( GLenum nSFactor, GLenum nDFactor );
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void ApplyMatrix(float fWidth, float fHeight, float fPixelOffset = 0.0f);
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bool DrawTexture( const OpenGLTexture& rTexture );
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protected:
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void SetVertexAttrib( GLuint& rAttrib, const OString& rName, const GLvoid* pData );
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GLuint GetUniformLocation( const OString& rName );
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};
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#endif // INCLUDED_VCL_INC_OPENGL_PROGRAM_H
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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