/* -*- mode: C; tab-width:8; c-basic-offset:2 -*- */ /* * Mesa 3-D graphics library * Version: 3.3 * * Copyright (C) 1999 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * Original Mesa / 3Dfx device driver (C) 1999 David Bucciarelli, by the * terms stated above. * * Thank you for your contribution, David! * * Please make note of the above copyright/license statement. If you * contributed code or bug fixes to this code under the previous (GNU * Library) license and object to the new license, your code will be * removed at your request. Please see the Mesa docs/COPYRIGHT file * for more information. * * Additional Mesa/3Dfx driver developers: * Daryll Strauss * Keith Whitwell * * See fxapi.h for more revision/author details. */ /* fxtris.c - 3Dfx VooDoo triangle functions */ #ifdef HAVE_CONFIG_H #include "conf.h" #endif #if defined(FX) #include "fxdrv.h" #include "../mmath.h" /* Is this enough? Do we need more triangle funcs? */ static triangle_func tri_tab[0x40]; /* only 0x20 actually used */ static quad_func quad_tab[0x40]; /* only 0x20 actually used */ static line_func line_tab[0x40]; /* less than 0x20 used */ static points_func points_tab[0x40]; /* less than 0x20 used */ #define IND (0) #define TAG(x) x #include "fxtritmp.h" #define IND (FX_OFFSET) #define TAG(x) x##_offset #include "fxtritmp.h" #define IND (FX_TWOSIDE) #define TAG(x) x##_twoside #include "fxtritmp.h" #define IND (FX_TWOSIDE|FX_OFFSET) #define TAG(x) x##_twoside_offset #include "fxtritmp.h" #define IND (FX_FRONT_BACK) #define TAG(x) x##_front_back #include "fxtritmp.h" #define IND (FX_FRONT_BACK|FX_OFFSET) #define TAG(x) x##_front_back_offset #include "fxtritmp.h" #define IND (FX_FRONT_BACK|FX_TWOSIDE) #define TAG(x) x##_front_back_twoside #include "fxtritmp.h" #define IND (FX_FRONT_BACK|FX_TWOSIDE|FX_OFFSET) #define TAG(x) x##_front_back_twoside_offset #include "fxtritmp.h" #define IND (FX_FLAT) #define TAG(x) x##_flat #include "fxtritmp.h" #define IND (FX_FLAT|FX_OFFSET) #define TAG(x) x##_flat_offset #include "fxtritmp.h" #define IND (FX_FLAT|FX_TWOSIDE) #define TAG(x) x##_flat_twoside #include "fxtritmp.h" #define IND (FX_FLAT|FX_TWOSIDE|FX_OFFSET) #define TAG(x) x##_flat_twoside_offset #include "fxtritmp.h" #define IND (FX_FLAT|FX_FRONT_BACK) #define TAG(x) x##_flat_front_back #include "fxtritmp.h" #define IND (FX_FLAT|FX_FRONT_BACK|FX_OFFSET) #define TAG(x) x##_flat_front_back_offset #include "fxtritmp.h" #define IND (FX_FLAT|FX_FRONT_BACK|FX_TWOSIDE) #define TAG(x) x##_flat_front_back_twoside #include "fxtritmp.h" #define IND (FX_FLAT|FX_FRONT_BACK|FX_TWOSIDE|FX_OFFSET) #define TAG(x) x##_flat_front_back_twoside_offset #include "fxtritmp.h" /* We don't actually do antialiasing correctly. Geometry has to be sorted for glide's antialiasing to operate */ #if 0 #define IND (FX_ANTIALIAS) #define TAG(x) x##_aa #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_OFFSET) #define TAG(x) x##_aa_offset #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_TWOSIDE) #define TAG(x) x##_aa_twoside #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_TWOSIDE|FX_OFFSET) #define TAG(x) x##_aa_twoside_offset #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FRONT_BACK) #define TAG(x) x##_aa_front_back #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FRONT_BACK|FX_OFFSET) #define TAG(x) x##_aa_front_back_offset #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FRONT_BACK|FX_TWOSIDE) #define TAG(x) x##_aa_front_back_twoside #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FRONT_BACK|FX_TWOSIDE|FX_OFFSET) #define TAG(x) x##_aa_front_back_twoside_offset #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FLAT) #define TAG(x) x##_aa_flat #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FLAT|FX_OFFSET) #define TAG(x) x##_aa_flat_offset #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FLAT|FX_TWOSIDE) #define TAG(x) x##_aa_flat_twoside #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FLAT|FX_TWOSIDE|FX_OFFSET) #define TAG(x) x##_aa_flat_twoside_offset #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FLAT|FX_FRONT_BACK) #define TAG(x) x##_aa_flat_front_back #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FLAT|FX_FRONT_BACK|FX_OFFSET) #define TAG(x) x##_aa_flat_front_back_offset #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FLAT|FX_FRONT_BACK|FX_TWOSIDE) #define TAG(x) x##_aa_flat_front_back_twoside #include "fxtritmp.h" #define IND (FX_ANTIALIAS|FX_FLAT|FX_FRONT_BACK|FX_TWOSIDE|FX_OFFSET) #define TAG(x) x##_aa_flat_front_back_twoside_offset #include "fxtritmp.h" #endif void fxDDTrifuncInit() { init(); init_offset(); init_twoside(); init_twoside_offset(); init_front_back(); init_front_back_offset(); init_front_back_twoside(); init_front_back_twoside_offset(); init_flat(); init_flat_offset(); init_flat_twoside(); init_flat_twoside_offset(); init_flat_front_back(); init_flat_front_back_offset(); init_flat_front_back_twoside(); init_flat_front_back_twoside_offset(); #if 0 init_aa(); init_aa_offset(); init_aa_twoside(); init_aa_twoside_offset(); init_aa_front_back(); init_aa_front_back_offset(); init_aa_front_back_twoside(); init_aa_front_back_twoside_offset(); init_aa_flat(); init_aa_flat_offset(); init_aa_flat_twoside(); init_aa_flat_twoside_offset(); init_aa_flat_front_back(); init_aa_flat_front_back_offset(); init_aa_flat_front_back_twoside(); init_aa_flat_front_back_twoside_offset(); #endif } void fxPrintRenderState( const char *msg, GLuint state ) { fprintf(stderr, "%s: (%x) %s%s%s%s%s%s\n", msg, state, (state & FX_ANTIALIAS) ? "antialias, " : "", (state & FX_FLAT) ? "flat, " : "", (state & FX_TWOSIDE) ? "twoside, " : "", (state & FX_OFFSET) ? "offset, " : "", (state & FX_FRONT_BACK) ? "front-back, " : "", (state & FX_FALLBACK) ? "fallback" : ""); } void fxPrintHintState( const char *msg, GLuint state ) { fprintf(stderr, "%s: (%x) %s %s%s %s%s\n", msg, state, (state & GR_STWHINT_W_DIFF_FBI) ? "w-fbi, " : "", (state & GR_STWHINT_W_DIFF_TMU0) ? "w-tmu0, " : "", (state & GR_STWHINT_ST_DIFF_TMU0) ? "st-tmu0, " : "", (state & GR_STWHINT_W_DIFF_TMU1) ? "w-tmu1, " : "", (state & GR_STWHINT_ST_DIFF_TMU1) ? "st-tmu1, " : ""); } void fxDDChooseRenderState( GLcontext *ctx ) { fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx; GLuint ind = 0; GLuint flags = ctx->TriangleCaps; ctx->IndirectTriangles &= ~DD_SW_RASTERIZE; if (flags) { if (fxMesa->render_index & FX_OFFSET) FX_grDepthBiasLevel(0); if (flags & (DD_SELECT|DD_FEEDBACK)) { fxMesa->PointsFunc = 0; fxMesa->LineFunc = 0; fxMesa->TriangleFunc = 0; fxMesa->QuadFunc = 0; fxMesa->render_index = FX_FALLBACK; ctx->IndirectTriangles |= DD_SW_RASTERIZE; #if 0 fprintf(stderr, "Fallback select|feeback\n"); #endif return; } if (flags & DD_FLATSHADE) ind |= FX_FLAT; if (flags & DD_TRI_LIGHT_TWOSIDE) ind |= FX_TWOSIDE; if (flags & DD_MULTIDRAW) ind |= FX_FRONT_BACK; if (flags & (DD_POINT_ATTEN|DD_POINT_SMOOTH)) { ind |= FX_FALLBACK; #if 0 if (flags&DD_POINT_ATTEN) fprintf(stderr, "Fallback point atten\n"); if (flags&DD_POINT_SMOOTH) fprintf(stderr, "Fallback point smooth\n"); #endif } fxMesa->render_index = ind; fxMesa->PointsFunc = points_tab[ind]; if (ind&FX_FALLBACK) ctx->IndirectTriangles |= DD_POINT_SW_RASTERIZE; ind &= ~(FX_ANTIALIAS|FX_FALLBACK); if (flags & (DD_LINE_STIPPLE|DD_LINE_SMOOTH)) { ind |= FX_FALLBACK; #if 0 if (flags&DD_LINE_STIPPLE) fprintf(stderr, "Fallback line stipple\n"); if (flags&DD_LINE_SMOOTH) fprintf(stderr, "Fallback line smooth\n"); #endif } fxMesa->render_index |= ind; fxMesa->LineFunc = line_tab[ind]; if (ind&FX_FALLBACK) ctx->IndirectTriangles |= DD_LINE_SW_RASTERIZE; ind &= ~(FX_ANTIALIAS|FX_FALLBACK); if (flags & DD_TRI_OFFSET) ind |= FX_OFFSET; if (flags & (DD_TRI_UNFILLED|DD_TRI_STIPPLE|DD_TRI_SMOOTH)) { ind |= FX_FALLBACK; #if 0 if (flags&DD_TRI_UNFILLED) fprintf(stderr, "Fallback tri unfilled\n"); if (flags&DD_TRI_STIPPLE) fprintf(stderr, "Fallback tri stippled\n"); if (flags&DD_TRI_SMOOTH) fprintf(stderr, "Fallback tri smooth\n"); #endif } fxMesa->render_index |= ind; fxMesa->TriangleFunc = tri_tab[ind]; fxMesa->QuadFunc = quad_tab[ind]; if (ind&FX_FALLBACK) ctx->IndirectTriangles |= DD_TRI_SW_RASTERIZE | DD_QUAD_SW_RASTERIZE; } else if (fxMesa->render_index) { if (fxMesa->render_index & FX_OFFSET) FX_grDepthBiasLevel(0); fxMesa->render_index = 0; fxMesa->PointsFunc = points_tab[0]; fxMesa->LineFunc = line_tab[0]; fxMesa->TriangleFunc = tri_tab[0]; fxMesa->QuadFunc = quad_tab[0]; } if (MESA_VERBOSE&(VERBOSE_STATE|VERBOSE_DRIVER)) fxPrintRenderState("fxmesa: Render state", fxMesa->render_index); } #else /* * Need this to provide at least one external definition. */ extern int gl_fx_dummy_function_tris(void); int gl_fx_dummy_function_tris(void) { return 0; } #endif /* FX */