263 lines
6.8 KiB
C++
263 lines
6.8 KiB
C++
//**************************************************************
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//* OpenGLide - Glide to OpenGL Wrapper
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//* http://openglide.sourceforge.net
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//*
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//* Drawing Functions
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//*
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//* OpenGLide is OpenSource under LGPL license
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//* Originaly made by Fabio Barros
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//* Modified by Paul for Glidos (http://www.glidos.net)
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//* Mac version and additional features by Jens-Olaf Hemprich
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//**************************************************************
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#include "GLRender.h"
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#include "GLRenderUpdateState.h"
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//#define RENDER_FRONTBUFFER_IMMMEDIATE if (Glide.State.RenderBuffer == GR_BUFFER_FRONTBUFFER){RenderDrawTriangles();glFlush();}
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#define RENDER_FRONTBUFFER_IMMMEDIATE
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//*************************************************
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//* Draws a Triangle on the screen
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//*************************************************
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FX_ENTRY void FX_CALL
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grDrawTriangle( const GrVertex *a, const GrVertex *b, const GrVertex *c )
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{
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#ifdef OGL_CRITICAL
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GlideMsg( "grDrawTriangle( ---, ---, --- )\n" );
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#endif
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// SetClipVerticesState(false);
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RenderAddTriangle( a, b, c, true );
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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//*************************************************
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//* Draws a planar polygon on the screen
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//*************************************************
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FX_ENTRY void FX_CALL
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grDrawPlanarPolygonVertexList( int nVertices, const GrVertex vlist[] )
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{
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#ifdef OGL_CRITICAL
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GlideMsg("grDrawPlanarPolygonVertexList( %d, --- )\n", nVertices );
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#endif
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// SetClipVerticesState(false);
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for ( int i = 2; i < nVertices; i++ )
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{
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RenderAddTriangle( &vlist[ 0 ], &vlist[ i - 1 ], &vlist[ i ], true );
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}
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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//*************************************************
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//* Draws a Line on the screen
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//*************************************************
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FX_ENTRY void FX_CALL
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grDrawLine( const GrVertex *a, const GrVertex *b )
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{
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#ifdef OGL_CRITICAL
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GlideMsg("grDrawLine( ---, --- )\n");
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#endif
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// SetClipVerticesState(false);
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RenderAddLine( a, b, true );
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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//*************************************************
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//* Draws a Point on the screen
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//*************************************************
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FX_ENTRY void FX_CALL
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grDrawPoint( const GrVertex *a )
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{
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#ifdef OGL_CRITICAL
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GlideMsg( "grDrawPoint( --- )\n" );
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#endif
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// SetClipVerticesState(false);
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RenderAddPoint( a, true );
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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//*************************************************
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//* Draw a convex non-planar polygon
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//*************************************************
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FX_ENTRY void FX_CALL
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grDrawPolygon( int nverts, const int ilist[], const GrVertex vlist[] )
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{
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#ifdef OGL_CRITICAL
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GlideMsg( "grDrawPolygon( %d, ---, --- )\n" );
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#endif
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// SetClipVerticesState(false);
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for ( int i = 2; i < nverts; i++ )
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{
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RenderAddTriangle( &vlist[ ilist[ 0 ] ],
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&vlist[ ilist[ i - 1 ] ],
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&vlist[ ilist[ i ] ],
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true );
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}
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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//*************************************************
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//* Draw a convex planar polygon
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//*************************************************
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FX_ENTRY void FX_CALL
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grDrawPlanarPolygon( int nverts, const int ilist[], const GrVertex vlist[] )
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{
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#ifdef OGL_CRITICAL
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GlideMsg( "grDrawPlanarPolygon( %d, ---, --- )\n", nverts );
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#endif
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// SetClipVerticesState(false);
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for ( int i = 2; i < nverts; i++ )
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{
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RenderAddTriangle( &vlist[ ilist[ 0 ] ],
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&vlist[ ilist[ i - 1 ] ],
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&vlist[ ilist[ i ] ],
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true );
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}
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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//*************************************************
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//* Draw a convex non-planar polygon
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//*************************************************
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FX_ENTRY void FX_CALL
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grDrawPolygonVertexList( int nVertices, const GrVertex vlist[] )
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{
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#ifdef OGL_CRITICAL
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GlideMsg( "grDrawPolygonVertexList( %d, --- )\n", nVertices );
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#endif
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// SetClipVerticesState(false);
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for ( int i = 2; i < nVertices; i++ )
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{
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RenderAddTriangle( &vlist[ 0 ],
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&vlist[ i - 1 ],
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&vlist[ i ],
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true );
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}
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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FX_ENTRY void FX_CALL
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guAADrawTriangleWithClip( const GrVertex *a, const GrVertex *b,
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const GrVertex *c )
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{
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#ifdef OGL_CRITICAL
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GlideMsg("guAADrawTriangleWithClip( ---, ---, --- )\n");
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#endif
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SetClipVerticesState(true);
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RenderAddTriangle( a, b, c, false );
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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FX_ENTRY void FX_CALL
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guDrawTriangleWithClip( const GrVertex *a,
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const GrVertex *b,
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const GrVertex *c )
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{
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#ifdef OGL_CRITICAL
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GlideMsg("guDrawTriangleWithClip( ---, ---, --- )\n");
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#endif
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SetClipVerticesState(true);
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RenderAddTriangle( a, b, c, false );
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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FX_ENTRY void FX_CALL
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guDrawPolygonVertexListWithClip( int nVertices, const GrVertex vlist[] )
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{
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#ifdef OGL_CRITICAL
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GlideMsg( "guDrawPolygonVertexListWithClip( %d, --- )\n", nVertices );
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#endif
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SetClipVerticesState(true);
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for ( int i = 2; i < nVertices; i++ )
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{
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RenderAddTriangle( &vlist[ 0 ],
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&vlist[ i - 1 ],
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&vlist[ i ],
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false );
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}
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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FX_ENTRY void FX_CALL
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grAADrawLine( const GrVertex *a, const GrVertex *b )
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{
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#ifdef OGL_CRITICAL
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GlideMsg( "grAADrawLine( ---, --- )\n" );
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#endif
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// SetClipVerticesState(false);
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RenderAddLine( a, b, true );
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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FX_ENTRY void FX_CALL
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grAADrawPoint(const GrVertex *a )
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{
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#ifdef OGL_CRITICAL
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GlideMsg("grAADrawPoint( --- )\n");
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#endif
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// SetClipVerticesState(false);
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RenderAddPoint( a, true );
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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FX_ENTRY void FX_CALL
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grAADrawPolygon( const int nverts, const int ilist[], const GrVertex vlist[] )
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{
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#ifdef OGL_CRITICAL
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GlideMsg( "grAADrawPolygon( %d, ---, --- )\n", nverts );
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#endif
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// SetClipVerticesState(false);
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for ( int i = 2; i < nverts; i++ )
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{
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RenderAddTriangle( &vlist[ ilist[ 0 ] ],
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&vlist[ ilist[ i - 1 ] ],
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&vlist[ ilist[ i ] ],
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true );
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}
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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FX_ENTRY void FX_CALL
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grAADrawPolygonVertexList( const int nverts, const GrVertex vlist[] )
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{
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#ifdef OGL_CRITICAL
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GlideMsg( "grAADrawPolygonVertexList( %d, --- )\n", nverts );
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#endif
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// SetClipVerticesState(false);
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for ( int i = 2; i < nverts; i++ )
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{
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RenderAddTriangle( &vlist[ 0 ],
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&vlist[ i - 1 ],
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&vlist[ i ],
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true );
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}
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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FX_ENTRY void FX_CALL
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grAADrawTriangle( const GrVertex *a, const GrVertex *b, const GrVertex *c,
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FxBool ab_antialias, FxBool bc_antialias, FxBool ca_antialias )
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{
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#ifdef OGL_CRITICAL
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GlideMsg("grAADrawTriangle( ---, ---, ---, %d, %d, %d )\n",
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ab_antialias, bc_antialias, ca_antialias );
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#endif
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// SetClipVerticesState(false);
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RenderAddTriangle( a, b, c, true );
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RENDER_FRONTBUFFER_IMMMEDIATE
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}
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