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Diffstat (limited to 'source/blender/freestyle/intern/rendering/GLRenderer.h')
| -rwxr-xr-x | source/blender/freestyle/intern/rendering/GLRenderer.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/rendering/GLRenderer.h b/source/blender/freestyle/intern/rendering/GLRenderer.h new file mode 100755 index 00000000000..ddbf082038b --- /dev/null +++ b/source/blender/freestyle/intern/rendering/GLRenderer.h @@ -0,0 +1,204 @@ +// +// Filename : GLRenderer.h +// Author(s) : Stephane Grabli, Emmanuel Turquin +// Purpose : Class to render a 3D scene thanks to OpenGL +// Date of creation : 07/02/2002 +// +/////////////////////////////////////////////////////////////////////////////// + + +// +// Copyright (C) : Please refer to the COPYRIGHT file distributed +// with this source distribution. +// +// This program 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 2 +// of the License, or (at your option) any later version. +// +// This program 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 for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +/////////////////////////////////////////////////////////////////////////////// + +#ifndef GLRENDERER_H +# define GLRENDERER_H + +# ifdef WIN32 +# include <windows.h> +# endif +# ifdef __MACH__ +# include <OpenGL/gl.h> +# else +# include <GL/gl.h> +# endif + +# include "../system/FreestyleConfig.h" +# include "../system/Precision.h" +# include "../scene_graph/SceneVisitor.h" +# include "../geometry/Geom.h" +using namespace Geometry; + +class LIB_RENDERING_EXPORT GLRenderer : public SceneVisitor +{ + public: + + inline GLRenderer() : SceneVisitor() {} + virtual ~GLRenderer() {} + + // + // visitClass methods + // + ////////////////////////////////////////////// + + VISIT_DECL(NodeLight) + VISIT_DECL(NodeCamera) + VISIT_DECL(NodeTransform) + + VISIT_DECL(LineRep) + VISIT_DECL(OrientedLineRep) + VISIT_DECL(TriangleRep) + VISIT_DECL(VertexRep) + VISIT_DECL(IndexedFaceSet) + VISIT_DECL(DrawingStyle) + VISIT_DECL(Material) + + virtual void visitMaterial(const Material&); + virtual void visitNodeTransformBefore(NodeTransform&); + virtual void visitNodeTransformAfter(NodeTransform&); + virtual void visitNodeDrawingStyleBefore(NodeDrawingStyle&); + virtual void visitNodeDrawingStyleAfter(NodeDrawingStyle&); + + protected: + + /*! Renders a face made of a triangles strip + * iVertices + * Array of float containing the face vertices. 3 floats per + * x, y, z vertex coordinates + * iNormals + * Array of float containing the face normals. 3 floats per + * x, y, z vertex normal coordinates + * iTexCoords + * Array of float containing the face uv coords. 2 floats per + * u,v vertex texture coordinates + * iVIndices + * Array of the indices (to use with the iVertices array) + * describing the vertices parsing order + * iNIndices + * Array of normals indices (to use with iNormals array) + * describing the normals parsing order + * iTIndices + * Array of texture coordinates indices (to use with iTexCoords array) + * describing the texture coordinates parsing order + * iNVertices + * The number of vertices in the face + */ + virtual void RenderTriangleStrip(const real *iVertices, + const real *iNormals, + const Material *const*iMaterials, + const real *iTexCoords, + const unsigned* iVIndices, + const unsigned* iNIndices, + const unsigned* iMIndices, + const unsigned* iTIndices, + const unsigned iNVertices) ; + + /*! Renders a face made of a triangles fan + * iVertices + * Array of float containing the face vertices. 3 floats per + * x, y, z vertex coordinates + * iNormals + * Array of float containing the face normals. 3 floats per + * x, y, z vertex normal coordinates + * iTexCoords + * Array of float containing the face uv coords. 2 floats per + * u,v vertex texture coordinates + * iVIndices + * Array of the indices (to use with the iVertices array) + * describing the vertices parsing order + * iNIndices + * Array of normals indices (to use with iNormals array) + * describing the normals parsing order + * iTIndices + * Array of texture coordinates indices (to use with iTexCoords array) + * describing the texture coordinates parsing order + * iNVertices + * The number of vertices in the face + */ + virtual void RenderTriangleFan(const real *iVertices, + const real *iNormals, + const Material *const* iMaterials, + const real *iTexCoords, + const unsigned* iVIndices, + const unsigned* iNIndices, + const unsigned* iMIndices, + const unsigned* iTIndices, + const unsigned iNVertices) ; + + /*! Renders a face made of single triangles + * iVertices + * Array of float containing the face vertices. 3 floats per + * x, y, z vertex coordinates + * iNormals + * Array of float containing the face normals. 3 floats per + * x, y, z vertex normal coordinates + * iTexCoords + * Array of float containing the face uv coords. 2 floats per + * u,v vertex texture coordinates + * iVIndices + * Array of the indices (to use with the iVertices array) + * describing the vertices parsing order + * iNIndices + * Array of normals indices (to use with iNormals array) + * describing the normals parsing order + * iTIndices + * Array of texture coordinates indices (to use with iTexCoords array) + * describing the texture coordinates parsing order + * iNVertices + * The number of vertices in the face + */ + virtual void RenderTriangles(const real *iVertices, + const real *iNormals, + const Material *const* iMaterials, + const real *iTexCoords, + const unsigned* iVIndices, + const unsigned* iNIndices, + const unsigned* iMIndices, + const unsigned* iTIndices, + const unsigned iNVertices) ; + + /*! Apply a transform matrix by multiplying + * the current OpenGL ModelView Matrix by + * iMatrix + */ + virtual void applyTransform( const Matrix44r &iMatrix) ; + + /*! Sets the current drawing color. + * Active only when light is disabled + * (simple call to glColor4fv) + * rgba + * array of 4 floats (r, g, b and alpha) + */ + virtual void RenderColor( const float *rgba); + + /*! glVertex3f or glVertex3d */ + inline void glVertex3r(float x, float y, float z) {glVertex3f(x,y,z);} + inline void glVertex3r(real x, real y, real z) {glVertex3d(x,y,z);} + + /*! glVertex3f or glNormal3d */ + inline void glNormal3r(float x, float y, float z) {glNormal3f(x,y,z);} + inline void glNormal3r(real x, real y, real z) {glNormal3d(x,y,z);} + + /*! glMultMatrixf or glMultMatrixd */ + inline void glMultMatrixr(float *m) {glMultMatrixf(m);} + inline void glMultMatrixr(real *m) {glMultMatrixd(m);} + +}; + +#endif // GLRENDERER_H |