516 lines
12 KiB
C
516 lines
12 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the 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 this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// r_misc.c
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#include "quakedef.h"
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#ifdef GLQUAKE
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#include "glquake.h"
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#include "gl_draw.h"
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/*
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==================
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R_InitTextures
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==================
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*
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void GLR_InitTextures (void)
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{
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int x,y, m;
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qbyte *dest;
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// create a simple checkerboard texture for the default
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r_notexture_mip = Hunk_AllocName (sizeof(texture_t) + 16*16+8*8+4*4+2*2, "notexture");
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r_notexture_mip->width = r_notexture_mip->height = 16;
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r_notexture_mip->offsets[0] = sizeof(texture_t);
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r_notexture_mip->offsets[1] = r_notexture_mip->offsets[0] + 16*16;
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r_notexture_mip->offsets[2] = r_notexture_mip->offsets[1] + 8*8;
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r_notexture_mip->offsets[3] = r_notexture_mip->offsets[2] + 4*4;
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for (m=0 ; m<4 ; m++)
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{
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dest = (qbyte *)r_notexture_mip + r_notexture_mip->offsets[m];
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for (y=0 ; y< (16>>m) ; y++)
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for (x=0 ; x< (16>>m) ; x++)
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{
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if ( (y< (8>>m) ) ^ (x< (8>>m) ) )
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*dest++ = 0;
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else
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*dest++ = 0xff;
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}
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}
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}*/
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#ifdef RTLIGHTS
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texid_t GenerateNormalisationCubeMap(void)
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{
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texid_t normalisationCubeMap;
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unsigned char data[32*32*3];
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//some useful variables
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int size=32;
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float offset=0.5f;
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float halfSize=16.0f;
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vec3_t tempVector;
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unsigned char * bytePtr;
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int i, j;
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normalisationCubeMap = Image_CreateTexture("normalisationcubemap", NULL, IF_TEXTYPE_CUBE);
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qglGenTextures(1, &normalisationCubeMap->num);
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GL_MTBind(0, GL_TEXTURE_CUBE_MAP_ARB, normalisationCubeMap);
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//positive x
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bytePtr=data;
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for(j=0; j<size; j++)
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{
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for(i=0; i<size; i++)
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{
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tempVector[0] = halfSize;
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tempVector[1] = -(j+offset-halfSize);
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tempVector[2] = -(i+offset-halfSize);
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VectorNormalize(tempVector);
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bytePtr[0]=(unsigned char)((tempVector[0]/2 + 0.5)*255);
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bytePtr[1]=(unsigned char)((tempVector[1]/2 + 0.5)*255);
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bytePtr[2]=(unsigned char)((tempVector[2]/2 + 0.5)*255);
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bytePtr+=3;
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}
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}
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qglTexImage2D( GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
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0, GL_RGBA, 32, 32, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
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//negative x
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bytePtr=data;
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for(j=0; j<size; j++)
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{
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for(i=0; i<size; i++)
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{
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tempVector[0] = (-halfSize);
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tempVector[1] = (-(j+offset-halfSize));
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tempVector[2] = ((i+offset-halfSize));
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VectorNormalize(tempVector);
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bytePtr[0]=(unsigned char)((tempVector[0]/2 + 0.5)*255);
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bytePtr[1]=(unsigned char)((tempVector[1]/2 + 0.5)*255);
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bytePtr[2]=(unsigned char)((tempVector[2]/2 + 0.5)*255);
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bytePtr+=3;
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}
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}
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qglTexImage2D( GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
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0, GL_RGBA, 32, 32, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
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//positive y
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bytePtr=data;
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for(j=0; j<size; j++)
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{
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for(i=0; i<size; i++)
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{
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tempVector[0] = (i+offset-halfSize);
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tempVector[1] = (halfSize);
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tempVector[2] = ((j+offset-halfSize));
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VectorNormalize(tempVector);
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bytePtr[0]=(unsigned char)((tempVector[0]/2 + 0.5)*255);
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bytePtr[1]=(unsigned char)((tempVector[1]/2 + 0.5)*255);
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bytePtr[2]=(unsigned char)((tempVector[2]/2 + 0.5)*255);
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bytePtr+=3;
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}
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}
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qglTexImage2D( GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
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0, GL_RGBA, 32, 32, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
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//negative y
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bytePtr=data;
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for(j=0; j<size; j++)
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{
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for(i=0; i<size; i++)
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{
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tempVector[0] = (i+offset-halfSize);
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tempVector[1] = (-halfSize);
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tempVector[2] = (-(j+offset-halfSize));
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VectorNormalize(tempVector);
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bytePtr[0]=(unsigned char)((tempVector[0]/2 + 0.5)*255);
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bytePtr[1]=(unsigned char)((tempVector[1]/2 + 0.5)*255);
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bytePtr[2]=(unsigned char)((tempVector[2]/2 + 0.5)*255);
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bytePtr+=3;
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}
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}
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qglTexImage2D( GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
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0, GL_RGBA, 32, 32, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
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//positive z
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bytePtr=data;
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for(j=0; j<size; j++)
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{
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for(i=0; i<size; i++)
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{
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tempVector[0] = (i+offset-halfSize);
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tempVector[1] = (-(j+offset-halfSize));
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tempVector[2] = (halfSize);
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VectorNormalize(tempVector);
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bytePtr[0]=(unsigned char)((tempVector[0]/2 + 0.5)*255);
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bytePtr[1]=(unsigned char)((tempVector[1]/2 + 0.5)*255);
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bytePtr[2]=(unsigned char)((tempVector[2]/2 + 0.5)*255);
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bytePtr+=3;
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}
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}
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qglTexImage2D( GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
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0, GL_RGBA, 32, 32, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
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//negative z
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bytePtr=data;
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for(j=0; j<size; j++)
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{
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for(i=0; i<size; i++)
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{
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tempVector[0] = (-(i+offset-halfSize));
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tempVector[1] = (-(j+offset-halfSize));
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tempVector[2] = (-halfSize);
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VectorNormalize(tempVector);
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bytePtr[0]=(unsigned char)((tempVector[0]/2 + 0.5)*255);
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bytePtr[1]=(unsigned char)((tempVector[1]/2 + 0.5)*255);
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bytePtr[2]=(unsigned char)((tempVector[2]/2 + 0.5)*255);
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bytePtr+=3;
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}
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}
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qglTexImage2D( GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
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0, GL_RGBA, 32, 32, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
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qglTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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qglTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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qglTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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qglTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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qglTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
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return normalisationCubeMap;
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}
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texid_t normalisationCubeMap;
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#endif
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#if 0
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typedef struct
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{
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long offset; // Position of the entry in WAD
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long dsize; // Size of the entry in WAD file
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long size; // Size of the entry in memory
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char type; // type of entry
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char cmprs; // Compression. 0 if none.
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short dummy; // Not used
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char name[16]; // we use only first 8
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} wad2entry_t;
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typedef struct
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{
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char magic[4]; //should be WAD2
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long num; //number of entries
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long offset; //location of directory
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} wad2_t;
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void R_MakeTexWad_f(void)
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{
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//this function is written as little endian. nothing will fix that.
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miptex_t dummymip = {"", 0, 0, {0, 0, 0, 0}};
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wad2_t wad2 = {"WAD2",0,0};
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wad2entry_t entry[2048];
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int entries = 0, i;
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vfsfile_t *f;
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char base[128];
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// qbyte b;
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qboolean hasalpha;
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int width, height;
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qbyte *buf, *outmip;
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qbyte *mip, *stack;
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char *wadname = Cmd_Argv(1);
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char *imagename = Cmd_Argv(2);
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float scale = atof(Cmd_Argv(3));
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if (!scale)
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scale = 2;
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if (!*wadname || !*imagename)
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return;
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f=FS_OpenVFS(wadname, "w+b", FS_GAMEONLY);
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if (!f)
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return;
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mip = BZ_Malloc(1024*1024);
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// initbuf = BZ_Malloc(1024*1024*4);
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stack = BZ_Malloc(1024*1024*4+1024);
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VFS_SEEK(f, 0);
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VFS_READ(f, &wad2, sizeof(wad2_t));
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VFS_SEEK(f, wad2.offset);
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VFS_READ(f, entry, sizeof(entry[0]) * wad2.num);
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//find the end of the data.
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wad2.offset = sizeof(wad2_t);
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for (entries = 0; entries < wad2.num; entries++)
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if (wad2.offset < entry[entries].offset + entry[entries].dsize)
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wad2.offset = entry[entries].offset + entry[entries].dsize;
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VFS_SEEK(f, wad2.offset);
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{
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COM_StripExtension(imagename, base, sizeof(base));
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base[15]=0;
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for (i =0; i < entries; i++)
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if (!stricmp(entry[i].name, base))
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break;
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if (i != entries)
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Con_Printf("Replacing %s, you'll want to compact your wad at some point.\n", base); //this will leave a gap. we don't support compacting.
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else
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entries++;
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entry[i].offset = VFS_TELL(f);
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entry[i].dsize = entry[i].size = 0;
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entry[i].type = TYP_MIPTEX;
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entry[i].cmprs = 0;
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entry[i].dummy = 0;
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strcpy(entry[i].name, base);
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strcpy(dummymip.name, base);
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{
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qbyte *data;
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int h;
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float x, xi;
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float y, yi;
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char *path[] ={
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"%s",
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"override/%s.tga",
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"textures/%s.png",
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"textures/%s.tga",
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"%s.png",
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"%s.tga",
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"progs/%s"};
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for (h = 0, buf=NULL; h < sizeof(path)/sizeof(char *); h++)
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{
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buf = COM_LoadStackFile(va(path[h], imagename), stack, 1024*1024*4+1024);
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if (buf)
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break;
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}
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width = 16;
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height = 16;
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if (buf)
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data = Read32BitImageFile(buf, com_filesize, &width, &height, &hasalpha, imagename);
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else
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data = NULL;
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if (!data)
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data = Z_Malloc(width*height*4);
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dummymip.width = (int)(width/scale) & ~0xf;
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dummymip.height = (int)(height/scale) & ~0xf;
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if (dummymip.width<=0)
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dummymip.width=16;
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if (dummymip.height<=0)
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dummymip.height=16;
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if (dummymip.width > 1024)
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dummymip.width = 1024;
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if (dummymip.height > 1024)
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dummymip.height = 1024;
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dummymip.offsets[0] = sizeof(dummymip);
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dummymip.offsets[1] = dummymip.offsets[0]+dummymip.width*dummymip.height;
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dummymip.offsets[2] = dummymip.offsets[1]+dummymip.width/2*dummymip.height/2;
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dummymip.offsets[3] = dummymip.offsets[2]+dummymip.width/4*dummymip.height/4;
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entry[entries].dsize = entry[entries].size = dummymip.offsets[3]+dummymip.width/8*dummymip.height/8;
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xi = (float)width/dummymip.width;
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yi = (float)height/dummymip.height;
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VFS_WRITE(f, &dummymip, sizeof(dummymip));
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outmip=mip;
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for (outmip=mip, y = 0; y < height; y+=yi)
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for (x = 0; x < width; x+=xi)
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{
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*outmip++ = GetPaletteIndex( data[(int)(x+y*width)*4+0],
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data[(int)(x+y*width)*4+1],
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data[(int)(x+y*width)*4+2]);
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}
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VFS_WRITE(f, mip, dummymip.width * dummymip.height);
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for (outmip=mip, y = 0; y < height; y+=yi*2)
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for (x = 0; x < width; x+=xi*2)
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{
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*outmip++ = GetPaletteIndex( data[(int)(x+y*width)*4+0],
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data[(int)(x+y*width)*4+1],
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data[(int)(x+y*width)*4+2]);
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}
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VFS_WRITE(f, mip, (dummymip.width/2) * (dummymip.height/2));
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for (outmip=mip, y = 0; y < height; y+=yi*4)
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for (x = 0; x < width; x+=xi*4)
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{
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*outmip++ = GetPaletteIndex( data[(int)(x+y*width)*4+0],
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data[(int)(x+y*width)*4+1],
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data[(int)(x+y*width)*4+2]);
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}
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VFS_WRITE(f, mip, (dummymip.width/4) * (dummymip.height/4));
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for (outmip=mip, y = 0; y < height; y+=yi*8)
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for (x = 0; x < width; x+=xi*8)
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{
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*outmip++ = GetPaletteIndex( data[(int)(x+y*width)*4+0],
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data[(int)(x+y*width)*4+1],
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data[(int)(x+y*width)*4+2]);
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}
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VFS_WRITE(f, mip, (dummymip.width/8) * (dummymip.height/8));
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BZ_Free(data);
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}
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entry[i].dsize = VFS_TELL(f) - entry[i].offset;
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Con_Printf("Added %s\n", base);
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}
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wad2.offset = VFS_TELL(f);
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wad2.num = entries;
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VFS_WRITE(f, entry, entries*sizeof(wad2entry_t));
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VFS_SEEK(f, 0);
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VFS_WRITE(f, &wad2, sizeof(wad2_t));
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VFS_CLOSE(f);
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BZ_Free(mip);
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// BZ_Free(initbuf);
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BZ_Free(stack);
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Con_Printf("%s now has %i entries\n", wadname, entries);
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}
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#endif
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void GLR_TimeRefresh_f (void);
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void GLV_Gamma_Callback(struct cvar_s *var, char *oldvalue);
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void GLR_DeInit (void)
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{
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Cmd_RemoveCommand ("timerefresh");
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// Cmd_RemoveCommand ("makewad");
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// Cvar_Unhook(&v_gamma);
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// Cvar_Unhook(&v_contrast);
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// Cvar_Unhook(&v_brightness);
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Surf_DeInit();
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GLDraw_DeInit();
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}
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void GLR_Init (void)
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{
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Cmd_AddCommand ("timerefresh", GLR_TimeRefresh_f);
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// Cmd_AddCommand ("makewad", R_MakeTexWad_f);
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}
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/*
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====================
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R_TimeRefresh_f
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For program optimization
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====================
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*/
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void GLR_TimeRefresh_f (void)
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{
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int i;
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float start, stop, time;
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int finish;
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int frames = 128;
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finish = atoi(Cmd_Argv(1));
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frames = atoi(Cmd_Argv(2));
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if (frames < 1)
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frames = 128;
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if (!r_refdef.playerview)
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r_refdef.playerview = &cl.playerview[0];
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if (finish == 2)
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{
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qglFinish ();
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start = Sys_DoubleTime ();
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for (i=0 ; i<frames ; i++)
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{
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r_refdef.viewangles[1] = i/(float)frames*360.0;
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R_RenderView ();
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VID_SwapBuffers();
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}
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}
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else
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{
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if (qglDrawBuffer)
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qglDrawBuffer (GL_FRONT);
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qglFinish ();
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|
start = Sys_DoubleTime ();
|
|
for (i=0 ; i<frames ; i++)
|
|
{
|
|
r_refdef.viewangles[1] = i/(float)frames*360.0;
|
|
R_RenderView ();
|
|
if (finish)
|
|
qglFinish ();
|
|
}
|
|
}
|
|
qglFinish ();
|
|
stop = Sys_DoubleTime ();
|
|
time = stop-start;
|
|
Con_Printf ("%f seconds (%f fps)\n", time, frames/time);
|
|
|
|
if (R2D_Flush)
|
|
R2D_Flush();
|
|
if (qglDrawBuffer)
|
|
qglDrawBuffer (GL_BACK);
|
|
VID_SwapBuffers();
|
|
}
|
|
|
|
#endif
|