443 lines
11 KiB
C
443 lines
11 KiB
C
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/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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Copyright (C) 2007 HermitWorks Entertainment Corporation
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This file is part of the Space Trader source code.
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The Space Trader source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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The Space Trader source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with the Space Trader source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "tr_local.h"
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#define LF "\n"
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#define BEGINVP "!!ARBvp1.0"
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#define BEGINFP "!!ARBfp1.0"
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#define ENDPROG LF "END"
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static const char *convVpCode =
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BEGINVP
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LF "PARAM scrSize = program.local[0];"
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LF "PARAM srfCenter = program.local[1];"
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LF "ATTRIB iTcL = vertex.position;"
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LF "ATTRIB iNorm = vertex.normal;"
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LF "ATTRIB iTan = vertex.attrib[6];"
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LF "ATTRIB iBin = vertex.attrib[7];"
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LF "OUTPUT oPos = result.position;"
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LF "OUTPUT oTcL = result.texcoord[0];"
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LF "OUTPUT oTm0 = result.texcoord[1];"
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LF "OUTPUT oTm1 = result.texcoord[2];"
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LF "OUTPUT oTm2 = result.texcoord[3];"
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//pass the texture coords through
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LF "MOV oTcL.xy, iTcL;"
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//pass the tangent basis matrix down
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LF "MOV oTm0.xyz, iTan;"
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LF "MOV oTm1.xyz, iBin;"
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LF "MOV oTm2.xyz, iNorm;"
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//scale and bias the incoming texture coords into clip space
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LF "MAD oPos.xy, iTcL, 2, -1;"
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LF "MOV oPos.zw, { 0, 0, 0, 1 };"
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ENDPROG;
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static const char *convFpCode =
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BEGINFP
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LF "OPTION ARB_precision_hint_nicest;"
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LF "ATTRIB iTcL = fragment.texcoord[0];"
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LF "ATTRIB iTm0 = fragment.texcoord[1];"
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LF "ATTRIB iTm1 = fragment.texcoord[2];"
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LF "ATTRIB iTm2 = fragment.texcoord[3];"
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LF "OUTPUT oColor = result.color;"
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LF "TEMP tm0, tm1, tm2, t, l;"
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/*
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texture[0] deluxe map
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*/
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LF "DP3 tm0.w, iTm0, iTm0;"
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LF "RSQ tm0.w, tm0.w;"
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LF "MUL tm0.xyz, iTm0, tm0.w;"
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LF "DP3 tm1.w, iTm1, iTm1;"
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LF "RSQ tm1.w, tm1.w;"
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LF "MUL tm1.xyz, iTm1, tm1.w;"
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LF "DP3 tm2.w, iTm2, iTm2;"
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LF "RSQ tm2.w, tm2.w;"
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LF "MUL tm2.xyz, iTm2, tm2.w;"
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//sample light direction (deluxe map)
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LF "TEX t.xyz, iTcL, texture[0], 2D;"
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LF "MAD t.xyz, t, 2, -1;"
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//transform into tangent space
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LF "DP3 l.x, tm0, t;"
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LF "DP3 l.y, tm1, t;"
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LF "DP3 l.z, tm2, t;"
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//normalize out any filtering/tangent basis errors
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LF "DP3 l.w, l, l;"
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LF "RSQ l.w, l.w;"
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LF "MUL l.xyz, l, l.w;"
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LF "MAD oColor.rgb, l, 0.5, 0.5;"
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LF "MOV oColor.a, 1;"
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ENDPROG;
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static struct
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{
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GLuint vp, fp;
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} conv;
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static void R_InitConverter( void )
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{
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const GLubyte *pError;
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glGenProgramsARB( 1, &conv.vp );
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glBindProgramARB( GL_VERTEX_PROGRAM_ARB, conv.vp );
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glProgramStringARB( GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
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strlen( convVpCode ), convVpCode );
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pError = glGetString( GL_PROGRAM_ERROR_STRING_ARB );
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if( pError && pError[0] )
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__debugbreak();
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glBindProgramARB( GL_VERTEX_PROGRAM_ARB, 0 );
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glGenProgramsARB( 1, &conv.fp );
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glBindProgramARB( GL_FRAGMENT_PROGRAM_ARB, conv.fp );
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glProgramStringARB( GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB,
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strlen( convFpCode ), convFpCode );
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pError = glGetString( GL_PROGRAM_ERROR_STRING_ARB );
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if( pError && pError[0] )
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__debugbreak();
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glBindProgramARB( GL_FRAGMENT_PROGRAM_ARB, 0 );
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}
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//from tr_image.c
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void Upload32( unsigned *data, qboolean lightMap, image_t *image, imageLoadFlags_t flags );
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void R_RemapDeluxeImages( world_t *world )
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{
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int i;
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if( !tr.deluxemaps[0] )
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return;
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R_InitConverter();
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R_StateSetActiveTmuUntracked( GL_TEXTURE0 );
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R_StateSetActiveClientTmuUntracked( GL_TEXTURE0 );
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glPushAttrib( GL_ALL_ATTRIB_BITS );
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glPushClientAttrib( GL_CLIENT_ALL_ATTRIB_BITS );
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glEnableClientState( GL_VERTEX_ARRAY );
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glEnableClientState( GL_NORMAL_ARRAY );
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glEnableVertexAttribArrayARB( 6 );
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glEnableVertexAttribArrayARB( 7 );
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glClearColor( 0, 0, 0, 0 );
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glDisable( GL_DEPTH_TEST );
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glDisable( GL_STENCIL_TEST );
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glDisable( GL_ALPHA_TEST );
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glDisable( GL_BLEND );
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glDisable( GL_CULL_FACE );
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glDisable( GL_MULTISAMPLE );
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glEnable( GL_POLYGON_SMOOTH );
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glMatrixMode( GL_PROJECTION );
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glLoadIdentity();
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glMatrixMode( GL_MODELVIEW );
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glLoadIdentity();
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glEnable( GL_VERTEX_PROGRAM_ARB );
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glBindProgramARB( GL_VERTEX_PROGRAM_ARB, conv.vp );
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glEnable( GL_FRAGMENT_PROGRAM_ARB );
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glBindProgramARB( GL_FRAGMENT_PROGRAM_ARB, conv.fp );
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glEnable( GL_TEXTURE_2D );
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for( i = 0; i < tr.numLightmaps; i++ )
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{
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int j, y;
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unsigned *buf0, *buf1;
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image_t *img = tr.deluxemaps[i];
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glBindTexture( GL_TEXTURE_2D, img->texnum );
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glClear( GL_COLOR_BUFFER_BIT );
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glViewport( 0, img->uploadHeight, img->uploadWidth, img->uploadHeight );
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glDisable( GL_VERTEX_PROGRAM_ARB );
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glDisable( GL_FRAGMENT_PROGRAM_ARB );
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glBegin( GL_QUADS );
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{
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glTexCoord2f( 0, 0 );
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glVertex2f( -1, -1 );
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glTexCoord2f( 0, 1 );
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glVertex2f( -1, 1 );
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glTexCoord2f( 1, 1 );
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glVertex2f( 1, 1 );
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glTexCoord2f( 1, 0 );
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glVertex2f( 1, -1 );
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}
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glEnd();
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glEnable( GL_VERTEX_PROGRAM_ARB );
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glEnable( GL_FRAGMENT_PROGRAM_ARB );
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glViewport( 0, 0, img->uploadWidth, img->uploadHeight );
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glProgramLocalParameter4fARB( GL_VERTEX_PROGRAM_ARB, 0,
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img->uploadWidth, img->uploadHeight,
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1.0F / img->uploadWidth, 1.0F / img->uploadHeight );
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for( j = 0; j < world->numsurfaces; j++ )
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{
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const msurface_t *srf = world->surfaces + j;
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const shader_t *shader = srf->shader;
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const msurface_ex_t *exsrf = srf->redirect;
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if( !shader->stages[0] || !shader->stages[0]->active )
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continue;
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if( shader->stages[0]->deluxeMap != img )
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continue;
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if( !exsrf )
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continue;
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glVertexPointer( 2, GL_FLOAT, sizeof( drawVert_ex_t ),
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&exsrf->verts[0].uvL );
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glNormalPointer( GL_FLOAT, sizeof( drawVert_ex_t ),
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&exsrf->verts[0].norm );
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glVertexAttribPointerARB( 6, 3, GL_FLOAT, GL_FALSE,
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sizeof( drawVert_ex_t ), &exsrf->verts[0].tan );
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glVertexAttribPointerARB( 7, 3, GL_FLOAT, GL_FALSE,
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sizeof( drawVert_ex_t ), &exsrf->verts[0].bin );
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glDrawElements( exsrf->primType, exsrf->numIndices,
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GL_UNSIGNED_SHORT, exsrf->indices );
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}
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glFinish();
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buf0 = (unsigned*)ri.Hunk_AllocateTempMemory( img->uploadWidth * img->uploadHeight * 4 );
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buf1 = (unsigned*)ri.Hunk_AllocateTempMemory( img->uploadWidth * img->uploadHeight * 4 );
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//can't just copy to the texture since we
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//need the custom mipmap generator
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glReadPixels( 0, 0, img->uploadWidth, img->uploadHeight,
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GL_RGBA, GL_UNSIGNED_BYTE, buf0 );
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#define DELUXEL( buf, x, y ) ((byte*)(buf) + (((y) * img->uploadWidth + (x)) * 4))
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Com_Memcpy( buf1, buf0, img->uploadWidth * img->uploadHeight * 4 );
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for( j = 0; j < 4; j++ )
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{
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for( y = 0; y < img->uploadHeight; y++ )
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{
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int x;
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for( x = 0; x < img->uploadWidth; x++ )
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{
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static int neighbors[8][2] =
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{
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{ 0, 1 },
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{ 1, 1 },
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{ 1, 0 },
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{ 1, -1 },
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{ 0, -1 },
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{ -1, -1 },
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{ -1, 0 },
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{ -1, 1 }
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};
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int i;
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int sum[3], c;
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byte *cIn = DELUXEL( buf0, x, y );
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byte *cOut = DELUXEL( buf1, x, y );
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cOut[3] = cIn[3];
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if( cIn[2] )
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{
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//if it has some Z value
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//then it's already good
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cOut[0] = cIn[0];
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cOut[1] = cIn[1];
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cOut[2] = cIn[2];
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continue;
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}
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c = 0;
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sum[0] = sum[1] = sum[2] = 0;
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for( i = 0; i < lengthof( neighbors ); i++ )
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{
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int nx = x + neighbors[i][0];
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int ny = y + neighbors[i][1];
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if( nx >= 0 && nx < img->uploadWidth &&
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ny >= 0 && ny < img->uploadHeight )
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{
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byte *n = DELUXEL( buf0, nx, ny );
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if( !n[2] )
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continue;
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sum[0] += n[0];
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sum[1] += n[1];
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sum[2] += n[2];
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c++;
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}
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}
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if( c )
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{
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cOut[0] = sum[0] / c;
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cOut[1] = sum[1] / c;
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cOut[2] = sum[2] / c;
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}
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}
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}
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Com_Memcpy( buf0, buf1, img->uploadWidth * img->uploadHeight * 4 );
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}
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for( y = 0; y < img->uploadHeight; y++ )
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{
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int x;
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for( x = 0; x < img->uploadWidth; x++ )
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{
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byte *d = DELUXEL( buf1, x, y );
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if( !d[2] )
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{
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d[0] = 0;
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d[1] = 0;
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d[2] = 0xFF;
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}
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}
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}
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//write it out to file
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{
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int size;
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char path[MAX_QPATH];
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byte *out_buf;
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Com_sprintf( path, sizeof( path ), "deluxe/%s/dm_%04d.tga",
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world->baseName, i );
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size = 18 + img->uploadWidth * img->uploadHeight * 3;
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out_buf = (byte*)ri.Hunk_AllocateTempMemory( size );
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Com_Memset( out_buf, 0, 18 );
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out_buf[2] = 2; // uncompressed type
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out_buf[12] = img->uploadWidth & 255;
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out_buf[13] = img->uploadWidth >> 8;
|
||
|
|
out_buf[14] = img->uploadHeight & 255;
|
||
|
|
out_buf[15] = img->uploadHeight >> 8;
|
||
|
|
out_buf[16] = 24; // pixel size
|
||
|
|
out_buf[17] = 0x20; // reverse row order
|
||
|
|
|
||
|
|
for( y = 0; y < img->uploadHeight; y++ )
|
||
|
|
{
|
||
|
|
int x;
|
||
|
|
for( x = 0; x < img->uploadWidth; x++ )
|
||
|
|
{
|
||
|
|
byte *d = DELUXEL( buf1, x, y );
|
||
|
|
out_buf[18 + (y * img->uploadWidth + x) * 3 + 0] = d[2];
|
||
|
|
out_buf[18 + (y * img->uploadWidth + x) * 3 + 1] = d[1];
|
||
|
|
out_buf[18 + (y * img->uploadWidth + x) * 3 + 2] = d[0];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ri.FS_WriteFile( path, out_buf, size );
|
||
|
|
|
||
|
|
ri.Hunk_FreeTempMemory( out_buf );
|
||
|
|
}
|
||
|
|
|
||
|
|
#undef DELUXEL
|
||
|
|
|
||
|
|
Upload32( buf1, qfalse, img, ILF_VECTOR_SB3 );
|
||
|
|
|
||
|
|
#ifdef _DEBUG
|
||
|
|
glEnable( GL_TEXTURE_2D );
|
||
|
|
glBindTexture( GL_TEXTURE_2D, img->texnum );
|
||
|
|
|
||
|
|
glViewport( img->uploadWidth, 0, img->uploadWidth, img->uploadHeight );
|
||
|
|
|
||
|
|
glDisable( GL_VERTEX_PROGRAM_ARB );
|
||
|
|
glDisable( GL_FRAGMENT_PROGRAM_ARB );
|
||
|
|
|
||
|
|
glBegin( GL_QUADS );
|
||
|
|
{
|
||
|
|
glTexCoord2f( 0, 0 );
|
||
|
|
glVertex2f( -1, -1 );
|
||
|
|
|
||
|
|
glTexCoord2f( 0, 1 );
|
||
|
|
glVertex2f( -1, 1 );
|
||
|
|
|
||
|
|
glTexCoord2f( 1, 1 );
|
||
|
|
glVertex2f( 1, 1 );
|
||
|
|
|
||
|
|
glTexCoord2f( 1, 0 );
|
||
|
|
glVertex2f( 1, -1 );
|
||
|
|
}
|
||
|
|
glEnd();
|
||
|
|
|
||
|
|
glEnable( GL_VERTEX_PROGRAM_ARB );
|
||
|
|
glEnable( GL_FRAGMENT_PROGRAM_ARB );
|
||
|
|
|
||
|
|
GLimp_EndFrame();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
ri.Hunk_FreeTempMemory( buf1 );
|
||
|
|
ri.Hunk_FreeTempMemory( buf0 );
|
||
|
|
}
|
||
|
|
|
||
|
|
glPopClientAttrib();
|
||
|
|
glPopAttrib();
|
||
|
|
|
||
|
|
glDeleteProgramsARB( 1, &conv.vp );
|
||
|
|
glDeleteProgramsARB( 1, &conv.fp );
|
||
|
|
}
|