/* Copyright (C) 1996-1997 Id Software, Inc. 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. */ // draw.c -- this is the only file outside the refresh that touches the // vid buffer #include "quakedef.h" #ifdef GLQUAKE #include "glquake.h" #include "shader.h" #include "gl_draw.h" #include // is this needed for atoi? #include // is this needed for atoi? //#define GL_USE8BITTEX static void GL_Upload32 (char *name, unsigned *data, int width, int height, unsigned int flags); static void GL_Upload32_BGRA (char *name, unsigned *data, int width, int height, unsigned int flags); static void GL_Upload24BGR_Flip (char *name, qbyte *framedata, int inwidth, int inheight, unsigned int flags); static void GL_Upload8 (char *name, qbyte *data, int width, int height, unsigned int flags, unsigned int alpha); static void GL_Upload8Pal32 (qbyte *data, qbyte *pal, int width, int height, unsigned int flags); void GL_UploadFmt(texid_t tex, char *name, enum uploadfmt fmt, void *data, void *palette, int width, int height, unsigned int flags) { GL_MTBind(0, GL_TEXTURE_2D, tex); switch(fmt) { case TF_INVALID: break; case TF_RGBX32: flags |= IF_NOALPHA; case TF_RGBA32: GL_Upload32(name, data, width, height, flags); break; case TF_BGRX32: flags |= IF_NOALPHA; case TF_BGRA32: GL_Upload32_BGRA(name, data, width, height, flags); break; // case TF_BGRA24: // GL_Upload24BGR(name, data, width, height, flags); // break; case TF_BGR24_FLIP: GL_Upload24BGR_Flip(name, data, width, height, flags); break; case TF_SOLID8: GL_Upload8(name, data, width, height, flags, 0); break; case TF_TRANS8: GL_Upload8(name, data, width, height, flags, 1); break; case TF_8PAL24: GL_Upload8Pal24(data, palette, width, height, flags); break; case TF_8PAL32: GL_Upload8Pal32(data, palette, width, height, flags); break; default: Sys_Error("Unsupported image format type\n"); break; } } texid_t GL_LoadTextureFmt (char *name, int width, int height, enum uploadfmt fmt, void *data, unsigned int flags) { extern cvar_t r_shadow_bumpscale_basetexture; switch(fmt) { case TF_INVALID: return r_nulltex; case TF_RGBX32: flags |= IF_NOALPHA; case TF_RGBA32: return GL_LoadTexture32(name, width, height, data, flags); case TF_TRANS8: return GL_LoadTexture(name, width, height, data, flags, 1); case TF_TRANS8_FULLBRIGHT: return GL_LoadTextureFB(name, width, height, data, flags); case TF_SOLID8: return GL_LoadTexture(name, width, height, data, flags, 0); case TF_H2_T7G1: return GL_LoadTexture(name, width, height, data, flags, 2); case TF_H2_TRANS8_0: return GL_LoadTexture(name, width, height, data, flags, 3); case TF_H2_T4A4: return GL_LoadTexture(name, width, height, data, flags, 4); case TF_HEIGHT8PAL: case TF_HEIGHT8: return GL_LoadTexture8Bump(name, width, height, data, flags, r_shadow_bumpscale_basetexture.value); default: Sys_Error("Unsupported image format type\n"); return r_nulltex; } } qbyte *uploadmemorybuffer; int sizeofuploadmemorybuffer; qbyte *uploadmemorybufferintermediate; int sizeofuploadmemorybufferintermediate; extern qbyte gammatable[256]; #ifdef GL_USE8BITTEX unsigned char *d_15to8table; qboolean inited15to8; #endif extern cvar_t gl_max_size; extern cvar_t gl_picmip; extern cvar_t gl_lerpimages; extern cvar_t gl_picmip2d; extern cvar_t gl_compress; extern cvar_t gl_smoothcrosshair; extern cvar_t gl_texturemode, gl_texture_anisotropic_filtering; extern cvar_t gl_savecompressedtex; texid_t missing_texture; //texture used when one is missing. int gl_anisotropy_factor; mpic_t *conback; #include "hash.h" hashtable_t gltexturetable; bucket_t *gltexturetablebuckets[256]; int gl_filter_min = GL_LINEAR_MIPMAP_NEAREST; int gl_filter_max = GL_LINEAR; int gl_filter_max_2d = GL_LINEAR; int gl_mipcap_min = 0; int gl_mipcap_max = 1000; typedef struct gltexture_s { texcom_t com; texid_t texnum; char identifier[64]; int width, height, bpp; unsigned int flags; struct gltexture_s *next; } gltexture_t; static gltexture_t *gltextures; static gltexture_t *GL_AllocNewGLTexture(char *ident, int w, int h) { gltexture_t *glt; glt = BZ_Malloc(sizeof(*glt) + sizeof(bucket_t)); glt->next = gltextures; gltextures = glt; glt->texnum.ref = &glt->com; Q_strncpyz (glt->identifier, ident, sizeof(glt->identifier)); glt->flags = IF_NOMIPMAP; glt->width = w; glt->height = h; glt->bpp = 0; glt->com.regsequence = r_regsequence; qglGenTextures(1, &glt->texnum.num); if (*glt->identifier) Hash_Add(&gltexturetable, glt->identifier, glt, (bucket_t*)(glt+1)); return glt; } texid_t GL_AllocNewTexture(char *name, int w, int h, unsigned int flags) { gltexture_t *glt = GL_AllocNewGLTexture(name, w, h); return glt->texnum; } void GL_DestroyTexture(texid_t tex) { if (!tex.ref) return; //FIXME: unlink the old one qglDeleteTextures(1, &tex.num); } //============================================================================= /* Support Routines */ typedef struct { char *name; char *altname; int minimize, maximize; } glmode_t; glmode_t modes[] = { {"GL_NEAREST", "n", GL_NEAREST, GL_NEAREST}, {"GL_LINEAR", "l", GL_LINEAR, GL_LINEAR}, {"GL_NEAREST_MIPMAP_NEAREST", "nn", GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST}, {"GL_LINEAR_MIPMAP_NEAREST", "ln", GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR}, {"GL_NEAREST_MIPMAP_LINEAR", "nl", GL_NEAREST_MIPMAP_LINEAR, GL_NEAREST}, {"GL_LINEAR_MIPMAP_LINEAR", "ll", GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR} }; void GL_Texture_Anisotropic_Filtering_Callback (struct cvar_s *var, char *oldvalue) { gltexture_t *glt; int anfactor; if (qrenderer != QR_OPENGL) return; gl_anisotropy_factor = 0; if (gl_config.ext_texture_filter_anisotropic < 2) return; anfactor = bound(1, var->value, gl_config.ext_texture_filter_anisotropic); /* change all the existing max anisotropy settings */ for (glt = gltextures; glt ; glt = glt->next) //redo anisotropic filtering when map is changed { if (!(glt->flags & IF_NOMIPMAP)) { GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, anfactor); } } if (anfactor >= 2) gl_anisotropy_factor = anfactor; else gl_anisotropy_factor = 0; } void GL_Mipcap_Callback (struct cvar_s *var, char *oldvalue) { gltexture_t *glt; char *s = var->string; s = COM_Parse(s); gl_mipcap_min = *com_token?atoi(com_token):0; if (gl_mipcap_min > 3) /*cap it to 3, so no 16*16 textures get bugged*/ gl_mipcap_min = 3; s = COM_Parse(s); gl_mipcap_max = *com_token?atoi(com_token):1000; if (gl_mipcap_max < gl_mipcap_min) gl_mipcap_max = gl_mipcap_min; for (glt=gltextures ; glt ; glt=glt->next) { if (!(glt->flags & IF_NOMIPMAP)) if (glt->flags & IF_MIPCAP) { GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, gl_mipcap_min); qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, gl_mipcap_max); } } } /* =============== Draw_TextureMode_f =============== */ void GL_Texturemode_Callback (struct cvar_s *var, char *oldvalue) { int i; gltexture_t *glt; int targ; if (qrenderer != QR_OPENGL) return; for (i=0 ; i< sizeof(modes)/sizeof(modes[0]) ; i++) { if (!Q_strcasecmp (modes[i].name, var->string ) ) break; if (!Q_strcasecmp (modes[i].altname, var->string ) ) break; } if (i == sizeof(modes)/sizeof(modes[0])) { Con_Printf ("bad gl_texturemode name\n"); return; } gl_filter_min = modes[i].minimize; gl_filter_max = modes[i].maximize; // change all the existing mipmap texture objects for (glt=gltextures ; glt ; glt=glt->next) { if (!(glt->flags & IF_NOMIPMAP)) { if (glt->flags & IF_CUBEMAP) targ = GL_TEXTURE_CUBE_MAP_ARB; else targ = GL_TEXTURE_2D; GL_MTBind(0, targ, glt->texnum); qglTexParameteri(targ, GL_TEXTURE_MIN_FILTER, gl_filter_min); if (glt->flags & IF_NEAREST) qglTexParameteri(targ, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(targ, GL_TEXTURE_MAG_FILTER, gl_filter_max); } } } void GL_Texturemode2d_Callback (struct cvar_s *var, char *oldvalue) { int i; gltexture_t *glt; if (qrenderer != QR_OPENGL) return; for (i=0 ; i< sizeof(modes)/sizeof(modes[0]) ; i++) { if (!Q_strcasecmp (modes[i].name, var->string ) ) break; if (!Q_strcasecmp (modes[i].altname, var->string ) ) break; } if (i == sizeof(modes)/sizeof(modes[0])) { Con_Printf ("bad gl_texturemode name\n"); return; } // gl_filter_min = modes[i].minimize; gl_filter_max_2d = modes[i].maximize; // change all the existing mipmap texture objects for (glt=gltextures ; glt ; glt=glt->next) { if (glt->flags & IF_NOMIPMAP) { GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_max_2d); if (glt->flags & IF_NEAREST) qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max_2d); } } } void GLDraw_ImageList_f(void) { int count = 0; unsigned int mem = 0; gltexture_t *glt; for (glt=gltextures ; glt ; glt=glt->next) { count++; mem += glt->width * glt->height * 4; Con_Printf("%s (%i*%i, seq=%i)\n", glt->identifier, glt->width, glt->height, glt->com.regsequence); } Con_Printf("%i images, %i bytes\n", count, mem); } void GLDraw_FlushOldTextures(void) { gltexture_t **link = &gltextures, *t; while (*link) { t = *link; if (t->com.regsequence != r_regsequence) { qglDeleteTextures(1, &t->texnum.num); (*link)->next = t->next; BZ_Free(t); } else link = &(*link)->next; } } /* =============== Draw_Init =============== */ void GLDraw_Init (void) { char ver[40]; int maxtexsize; if (gltextures) { Con_Printf("gl_draw didn't shut down cleanly\n"); gltextures = NULL; } memset(gltexturetablebuckets, 0, sizeof(gltexturetablebuckets)); Hash_InitTable(&gltexturetable, sizeof(gltexturetablebuckets)/sizeof(gltexturetablebuckets[0]), gltexturetablebuckets); qglGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxtexsize); if (gl_max_size.value > maxtexsize) { sprintf(ver, "%i", maxtexsize); Cvar_ForceSet (&gl_max_size, ver); } maxtexsize = gl_max_size.value; if (gl_config.gles) { if (maxtexsize < 512) //this needs to be able to hold the image in unscaled form. sizeofuploadmemorybufferintermediate = 512*512*4; //make sure we can load 512*512 images whatever happens. else sizeofuploadmemorybufferintermediate = maxtexsize*maxtexsize*4; //gl supports huge images, so so shall we. } else { if (maxtexsize < 2048) //this needs to be able to hold the image in unscaled form. sizeofuploadmemorybufferintermediate = 2048*2048*4; //make sure we can load 2048*2048 images whatever happens. else sizeofuploadmemorybufferintermediate = maxtexsize*maxtexsize*4; //gl supports huge images, so so shall we. } //required to hold the image after scaling has occured sizeofuploadmemorybuffer = maxtexsize*maxtexsize*4; TRACE(("dbg: GLDraw_ReInit: Allocating upload buffers\n")); uploadmemorybuffer = BZ_Realloc(uploadmemorybuffer, sizeofuploadmemorybuffer); uploadmemorybufferintermediate = BZ_Realloc(uploadmemorybufferintermediate, sizeofuploadmemorybufferintermediate); R2D_Init(); TRACE(("dbg: GLDraw_ReInit: GL_BeginRendering\n")); GL_BeginRendering (); TRACE(("dbg: GLDraw_ReInit: SCR_DrawLoading\n")); GL_Set2D(false); qglClear(GL_COLOR_BUFFER_BIT); { mpic_t *pic = R2D_SafeCachePic ("gfx/loading.lmp"); if (pic) R2D_ScalePic ( ((int)vid.width - pic->width)/2, ((int)vid.height - 48 - pic->height)/2, pic->width, pic->height, pic); } TRACE(("dbg: GLDraw_ReInit: GL_EndRendering\n")); GL_EndRendering (); GL_DoSwap(); GL_SetupSceneProcessingTextures(); // // get the other pics we need // TRACE(("dbg: GLDraw_ReInit: R2D_SafePicFromWad\n")); draw_disc = R2D_SafePicFromWad ("disc"); #ifdef GL_USE8BITTEX inited15to8 = false; #endif qglClearColor (1,0,0,0); TRACE(("dbg: GLDraw_ReInit: PPL_LoadSpecularFragmentProgram\n")); GL_InitSceneProcessingShaders(); Cmd_AddCommandD ("r_imagelist", GLDraw_ImageList_f, "Debug command. Reveals current list of loaded images."); } void GLDraw_DeInit (void) { Cmd_RemoveCommand ("r_imagelist"); R2D_Shutdown(); GL_GAliasFlushSkinCache(); draw_disc = NULL; if (uploadmemorybuffer) BZ_Free(uploadmemorybuffer); //free the mem if (uploadmemorybufferintermediate) BZ_Free(uploadmemorybufferintermediate); uploadmemorybuffer = NULL; //make sure we know it's free uploadmemorybufferintermediate = NULL; sizeofuploadmemorybuffer = 0; //and give a nice safe sys_error if we try using it. sizeofuploadmemorybufferintermediate = 0; #ifdef RTLIGHTS Sh_Shutdown(); #endif Shader_Shutdown(); while(gltextures) { gltexture_t *glt; glt = gltextures; gltextures = gltextures->next; BZ_Free(glt); } } //============================================================================= /* ================ GL_Set2D Setup as if the screen was 320*200 ================ */ void GL_Set2D (qboolean flipped) { extern cvar_t gl_screenangle; float rad, ang; float tmp[16], tmp2[16]; float w = vid.width, h = vid.height; ang = (gl_screenangle.value>0?(gl_screenangle.value+45):(gl_screenangle.value-45))/90; ang = (int)ang * 90; if (ang) { /*more expensive maths*/ rad = (ang * M_PI) / 180; w = fabs(cos(rad)) * (vid.width) + fabs(sin(rad)) * (vid.height); h = fabs(sin(rad)) * (vid.width) + fabs(cos(rad)) * (vid.height); Matrix4x4_CM_Orthographic(r_refdef.m_projection, w/-2.0f, w/2.0f, h/2.0f, h/-2.0f, -99999, 99999); Matrix4x4_Identity(tmp); Matrix4_Multiply(Matrix4x4_CM_NewTranslation((vid.width/-2.0f), (vid.height/-2.0f), 0), tmp, tmp2); Matrix4_Multiply(Matrix4x4_CM_NewRotation(-ang, 0, 0, 1), tmp2, r_refdef.m_view); } else { if (flipped) Matrix4x4_CM_Orthographic(r_refdef.m_projection, 0, vid.width, 0, vid.height, -99999, 99999); else Matrix4x4_CM_Orthographic(r_refdef.m_projection, 0, vid.width, vid.height, 0, -99999, 99999); Matrix4x4_Identity(r_refdef.m_view); } r_refdef.time = realtime; /*flush that gl state*/ qglViewport (0, 0, vid.pixelwidth, vid.pixelheight); if (qglLoadMatrixf) { qglMatrixMode(GL_PROJECTION); qglLoadMatrixf(r_refdef.m_projection); qglMatrixMode(GL_MODELVIEW); qglLoadMatrixf(r_refdef.m_view); } GL_SetShaderState2D(true); } //==================================================================== /* ================ GL_FindTexture ================ */ texid_t GL_FindTexture (char *identifier, unsigned int flags) { gltexture_t *glt; glt = Hash_Get(&gltexturetable, identifier); while(glt) { if ((glt->flags ^ flags) & IF_CLAMP) { glt = Hash_GetNext(&gltexturetable, identifier, glt); continue; } image_width = glt->width; image_height = glt->height; return glt->texnum; } return r_nulltex; } gltexture_t *GL_MatchTexture (char *identifier, unsigned int flags, int bits, int width, int height) { gltexture_t *glt; glt = Hash_Get(&gltexturetable, identifier); while(glt) { if (glt->bpp == bits && width == glt->width && height == glt->height && !((glt->flags ^ flags) & IF_CLAMP)) return glt; glt = Hash_GetNext(&gltexturetable, identifier, glt); } return NULL; } static void Image_Resample32LerpLine (const qbyte *in, qbyte *out, int inwidth, int outwidth) { int j, xi, oldx = 0, f, fstep, endx, lerp; fstep = (int) (inwidth*65536.0f/outwidth); endx = (inwidth-1); for (j = 0,f = 0;j < outwidth;j++, f += fstep) { xi = f >> 16; if (xi != oldx) { in += (xi - oldx) * 4; oldx = xi; } if (xi < endx) { lerp = f & 0xFFFF; *out++ = (qbyte) ((((in[4] - in[0]) * lerp) >> 16) + in[0]); *out++ = (qbyte) ((((in[5] - in[1]) * lerp) >> 16) + in[1]); *out++ = (qbyte) ((((in[6] - in[2]) * lerp) >> 16) + in[2]); *out++ = (qbyte) ((((in[7] - in[3]) * lerp) >> 16) + in[3]); } else // last pixel of the line has no pixel to lerp to { *out++ = in[0]; *out++ = in[1]; *out++ = in[2]; *out++ = in[3]; } } } //yes, this is lordhavok's code. //superblur away! #define LERPBYTE(i) r = row1[i];out[i] = (qbyte) ((((row2[i] - r) * lerp) >> 16) + r) static void Image_Resample32Lerp(const void *indata, int inwidth, int inheight, void *outdata, int outwidth, int outheight) { int i, j, r, yi, oldy, f, fstep, lerp, endy = (inheight-1), inwidth4 = inwidth*4, outwidth4 = outwidth*4; qbyte *out; const qbyte *inrow; qbyte *tmem, *row1, *row2; tmem = row1 = BZ_Malloc(2*(outwidth*4)); row2 = row1 + (outwidth * 4); out = outdata; fstep = (int) (inheight*65536.0f/outheight); inrow = indata; oldy = 0; Image_Resample32LerpLine (inrow, row1, inwidth, outwidth); Image_Resample32LerpLine (inrow + inwidth4, row2, inwidth, outwidth); for (i = 0, f = 0;i < outheight;i++,f += fstep) { yi = f >> 16; if (yi < endy) { lerp = f & 0xFFFF; if (yi != oldy) { inrow = (qbyte *)indata + inwidth4*yi; if (yi == oldy+1) memcpy(row1, row2, outwidth4); else Image_Resample32LerpLine (inrow, row1, inwidth, outwidth); Image_Resample32LerpLine (inrow + inwidth4, row2, inwidth, outwidth); oldy = yi; } j = outwidth - 4; while(j >= 0) { LERPBYTE( 0); LERPBYTE( 1); LERPBYTE( 2); LERPBYTE( 3); LERPBYTE( 4); LERPBYTE( 5); LERPBYTE( 6); LERPBYTE( 7); LERPBYTE( 8); LERPBYTE( 9); LERPBYTE(10); LERPBYTE(11); LERPBYTE(12); LERPBYTE(13); LERPBYTE(14); LERPBYTE(15); out += 16; row1 += 16; row2 += 16; j -= 4; } if (j & 2) { LERPBYTE( 0); LERPBYTE( 1); LERPBYTE( 2); LERPBYTE( 3); LERPBYTE( 4); LERPBYTE( 5); LERPBYTE( 6); LERPBYTE( 7); out += 8; row1 += 8; row2 += 8; } if (j & 1) { LERPBYTE( 0); LERPBYTE( 1); LERPBYTE( 2); LERPBYTE( 3); out += 4; row1 += 4; row2 += 4; } row1 -= outwidth4; row2 -= outwidth4; } else { if (yi != oldy) { inrow = (qbyte *)indata + inwidth4*yi; if (yi == oldy+1) memcpy(row1, row2, outwidth4); else Image_Resample32LerpLine (inrow, row1, inwidth, outwidth); oldy = yi; } memcpy(out, row1, outwidth4); } } BZ_Free(tmem); } /* ================ GL_ResampleTexture ================ */ static void GL_ResampleTexture (unsigned *in, int inwidth, int inheight, unsigned *out, int outwidth, int outheight) { int i, j; unsigned *inrow; unsigned frac, fracstep; if (gl_lerpimages.ival) { Image_Resample32Lerp(in, inwidth, inheight, out, outwidth, outheight); return; } fracstep = inwidth*0x10000/outwidth; for (i=0 ; i>16]; frac -= fracstep; j--; } for ( ; j>=0 ; j-=4) { out[j+3] = inrow[frac>>16]; frac -= fracstep; out[j+2] = inrow[frac>>16]; frac -= fracstep; out[j+1] = inrow[frac>>16]; frac -= fracstep; out[j+0] = inrow[frac>>16]; frac -= fracstep; } } } /* ================ GL_Resample8BitTexture -- JACK ================ */ static void GL_Resample8BitTexture (unsigned char *in, int inwidth, int inheight, unsigned char *out, int outwidth, int outheight) { int i, j; unsigned char *inrow; unsigned frac, fracstep; fracstep = inwidth*0x10000/outwidth; for (i=0 ; i> 1; for (j=0 ; j>16]; frac += fracstep; out[j+1] = inrow[frac>>16]; frac += fracstep; out[j+2] = inrow[frac>>16]; frac += fracstep; out[j+3] = inrow[frac>>16]; frac += fracstep; } } } /* ================ GL_MipMap Operates in place, quartering the size of the texture ================ */ static void GL_MipMap (qbyte *in, int width, int height) { int i, j; qbyte *out; qbyte *inrow; //with npot int rowwidth = width*4; //rowwidth is the byte width of the input inrow = in; width >>= 1; //ensure its truncated, so don't merge with the *8 height >>= 1; out = in; for (i=0 ; i>2; out[1] = (in[1] + in[5] + in[rowwidth+1] + in[rowwidth+5])>>2; out[2] = (in[2] + in[6] + in[rowwidth+2] + in[rowwidth+6])>>2; out[3] = (in[3] + in[7] + in[rowwidth+3] + in[rowwidth+7])>>2; } } } #ifdef GL_USE8BITTEX #ifdef GL_EXT_paletted_texture void GLDraw_Init15to8(void) { int i, r, g, b, v, k; int r1, g1, b1; qbyte *pal; float dist, bestdist; vfsfile_t *f; qboolean savetable; // JACK: 3D distance calcs - k is last closest, l is the distance. if (inited15to8) return; if (!d_15to8table) d_15to8table = BZ_Malloc(sizeof(qbyte) * 32768); inited15to8 = true; savetable = COM_CheckParm("-save15to8"); if (savetable) f = FS_OpenVFS("glquake/15to8.pal"); else f = NULL; if (f) { VFS_READ(f, d_15to8table, 1<<15); VFS_CLOSE(f); } else { for (i=0; i < (1<<15); i++) { /* Maps 000000000000000 000000000011111 = Red = 0x1F 000001111100000 = Blue = 0x03E0 111110000000000 = Grn = 0x7C00 */ r = ((i & 0x1F) << 3)+4; g = ((i & 0x03E0) >> 2)+4; b = ((i & 0x7C00) >> 7)+4; pal = (unsigned char *)d_8to24rgbtable; for (v=0,k=0,bestdist=10000.0; v<256; v++,pal+=4) { r1 = (int)r - (int)pal[0]; g1 = (int)g - (int)pal[1]; b1 = (int)b - (int)pal[2]; dist = sqrt(((r1*r1)+(g1*g1)+(b1*b1))); if (dist < bestdist) { k=v; bestdist = dist; } } d_15to8table[i]=k; } if (savetable) { FS_WriteFile("glquake/15to8.pal", d_15to8table, 1<<15, FS_GAME); } } } /* ================ GL_MipMap8Bit Mipping for 8 bit textures ================ */ static void GL_MipMap8Bit (qbyte *in, int width, int height) { int i, j; qbyte *out; unsigned short r,g,b; qbyte *at1, *at2, *at3, *at4; height >>= 1; out = in; for (i=0 ; i>=5; g = (at1[1]+at2[1]+at3[1]+at4[1]); g>>=5; b = (at1[2]+at2[2]+at3[2]+at4[2]); b>>=5; out[0] = d_15to8table[(r<<0) + (g<<5) + (b<<10)]; } } #endif #endif qboolean GL_UploadCompressed (qbyte *file, int *out_width, int *out_height, unsigned int *out_flags) { int miplevel; int width; int height; int compressed_size; int internalformat; int nummips; #define GETVAR(var) memcpy(var, file, sizeof(*var));file+=sizeof(*var); if (!gl_config.arb_texture_compression || !gl_compress.value) return false; GETVAR(&nummips) GETVAR(out_width) GETVAR(out_height) GETVAR(out_flags) for (miplevel = 0; miplevel < nummips; miplevel++) { GETVAR(&width); GETVAR(&height); GETVAR(&compressed_size); GETVAR(&internalformat); width = LittleLong(width); height = LittleLong(height); compressed_size = LittleLong(compressed_size); internalformat = LittleLong(internalformat); qglCompressedTexImage2DARB(GL_TEXTURE_2D, miplevel, internalformat, width, height, 0, compressed_size, file); file += compressed_size; } if (!((*out_flags) & IF_NOMIPMAP)) { qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min); if (*out_flags & IF_NEAREST) qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max); } else { qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_max_2d); if (*out_flags & IF_NEAREST) qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max_2d); } return true; } void GL_RoundDimensions(int *scaled_width, int *scaled_height, qboolean mipmap) { if (gl_config.arb_texture_non_power_of_two) //NPOT is a simple extension that relaxes errors. { TRACE(("dbg: GL_RoundDimensions: GL_ARB_texture_non_power_of_two\n")); } else { int width = *scaled_width; int height = *scaled_height; for (*scaled_width = 1 ; *scaled_width < width ; *scaled_width<<=1) ; for (*scaled_height = 1 ; *scaled_height < height ; *scaled_height<<=1) ; /*round npot textures down if we're running on an embedded system*/ if (gl_config.gles) { if (*scaled_width != width) *scaled_width >>= 1; if (*scaled_height != height) *scaled_height >>= 1; } } if (mipmap) { TRACE(("dbg: GL_RoundDimensions: %f\n", gl_picmip.value)); *scaled_width >>= (int)gl_picmip.value; *scaled_height >>= (int)gl_picmip.value; } else { *scaled_width >>= (int)gl_picmip2d.value; *scaled_height >>= (int)gl_picmip2d.value; } TRACE(("dbg: GL_RoundDimensions: %f\n", gl_max_size.value)); if (gl_max_size.value) { if (*scaled_width > gl_max_size.value) *scaled_width = gl_max_size.value; if (*scaled_height > gl_max_size.value) *scaled_height = gl_max_size.value; } if (*scaled_width < 1) *scaled_width = 1; if (*scaled_height < 1) *scaled_height = 1; } void GL_8888to565(int targ, unsigned char *in, unsigned short *out, unsigned int mip, unsigned int w, unsigned int h) { unsigned int p = w*h; unsigned short tmp; void *iout = out; while(p-->0) { tmp = ((*in++>>3) << 11); tmp |= ((*in++>>2) << 5); tmp |= ((*in++>>3) << 0); in++; *out++ = tmp; } qglTexImage2D (targ, mip, GL_RGB, w, h, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, iout); } void GL_8888to4444(int targ, unsigned char *in, unsigned short *out, unsigned int mip, unsigned int w, unsigned int h) { unsigned int p = w*h; unsigned short tmp; void *iout = out; while(p-->0) { tmp = ((*in++>>4) << 12); tmp |= ((*in++>>4) << 8); tmp |= ((*in++>>4) << 4); tmp |= ((*in++>>4) << 0); *out++ = tmp; } qglTexImage2D (targ, mip, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, iout); } /* =============== GL_Upload32 =============== */ void GL_Upload32_Int (char *name, unsigned *data, int width, int height, unsigned int flags, GLenum glcolormode) { int miplevel=0; int samples; unsigned *scaled = (unsigned *)uploadmemorybuffer; int scaled_width, scaled_height; int type; int targ, targface; TRACE(("dbg: GL_Upload32: %s %i %i\n", name, width, height)); scaled_width = width; scaled_height = height; GL_RoundDimensions(&scaled_width, &scaled_height, !(flags & IF_NOMIPMAP)); if (!(flags & IF_NOALPHA)) { //make sure it does actually have those alpha pixels (q3 compat) int i; flags |= IF_NOALPHA; for (i = 3; i < width*height*4; i+=4) { if (((unsigned char*)data)[i] < 255) { flags &= ~IF_NOALPHA; break; } } } switch((flags & IF_TEXTYPE) >> IF_TEXTYPESHIFT) { case 0: targface = targ = GL_TEXTURE_2D; break; case 1: targface = targ = GL_TEXTURE_3D; break; default: targface = GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB + (((flags & IF_TEXTYPE) >> IF_TEXTYPESHIFT) - 2); targ = GL_TEXTURE_CUBE_MAP_ARB; break; } TRACE(("dbg: GL_Upload32: %i %i\n", scaled_width, scaled_height)); if (scaled_width * scaled_height > sizeofuploadmemorybuffer/4) Sys_Error ("GL_LoadTexture: too big"); if (gl_config.gles) { glcolormode = GL_RGBA; /*our input is RGBA or RGBX, with the internal format restriction, we must therefore always have an alpha value*/ type = GL_UNSIGNED_BYTE; if (flags & IF_NOALPHA) { /*no alpha there, yay*/ type = GL_UNSIGNED_SHORT_5_6_5; glcolormode = GL_RGB; } else { /*we need an alpha channel, sorry for any banding*/ type = GL_UNSIGNED_SHORT_4_4_4_4; glcolormode = GL_RGBA; } /*GLES requires that the internal format match the format*/ samples = glcolormode; } else { samples = (flags&IF_NOALPHA) ? GL_RGB : GL_RGBA; type = GL_UNSIGNED_BYTE; } if (gl_config.arb_texture_compression && gl_compress.value && name && !(flags&IF_NOMIPMAP)) samples = (flags&IF_NOALPHA) ? GL_COMPRESSED_RGB_ARB : GL_COMPRESSED_RGBA_ARB; if (flags&IF_CLAMP) { qglTexParameteri(targ, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); qglTexParameteri(targ, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); if (targ != GL_TEXTURE_2D) qglTexParameteri(targ, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); } else { qglTexParameteri(targ, GL_TEXTURE_WRAP_S, GL_REPEAT); qglTexParameteri(targ, GL_TEXTURE_WRAP_T, GL_REPEAT); if (targ != GL_TEXTURE_2D) qglTexParameteri(targ, GL_TEXTURE_WRAP_R, GL_REPEAT); } if (targ == GL_TEXTURE_3D) { int r,d; if (scaled_height * scaled_height != scaled_width) return; qglTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); if (flags & IF_NEAREST) qglTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); for (d = 0; d < scaled_height; d++) { /*each 'layer' is sequential, which means we need to de-interlace the layers*/ for (r = 0; r < scaled_height; r++) { memcpy(scaled + (r + d*scaled_height) * scaled_height, data + (r*scaled_height + d) * scaled_height, scaled_height*sizeof(*data)); } } qglTexImage3D (GL_TEXTURE_3D, 0, samples, scaled_height, scaled_height, scaled_height, 0, glcolormode, GL_UNSIGNED_BYTE, scaled); return; } if (gl_config.sgis_generate_mipmap && !(flags&IF_NOMIPMAP)) { TRACE(("dbg: GL_Upload32: GL_SGIS_generate_mipmap\n")); qglTexParameteri(targ, GL_GENERATE_MIPMAP_SGIS, GL_TRUE); } if (!(flags&IF_NOMIPMAP)) { qglTexParameteri(targ, GL_TEXTURE_MIN_FILTER, gl_filter_min); if (flags & IF_NEAREST) qglTexParameteri(targ, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(targ, GL_TEXTURE_MAG_FILTER, gl_filter_max); } else { qglTexParameteri(targ, GL_TEXTURE_MIN_FILTER, gl_filter_max_2d); if (flags & IF_NEAREST) qglTexParameteri(targ, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(targ, GL_TEXTURE_MAG_FILTER, gl_filter_max_2d); } if (scaled_width == width && scaled_height == height) { if ((flags&IF_NOMIPMAP)||gl_config.sgis_generate_mipmap) //gotta love this with NPOT textures... :) { TRACE(("dbg: GL_Upload32: non-mipmapped/unscaled\n")); if (type == GL_UNSIGNED_SHORT_5_6_5) GL_8888to565(targface, (unsigned char *)data, (unsigned short*)scaled, 0, scaled_width, scaled_height); else if (type == GL_UNSIGNED_SHORT_4_4_4_4) GL_8888to4444(targface, (unsigned char *)data, (unsigned short*)scaled, 0, scaled_width, scaled_height); else qglTexImage2D (targface, 0, samples, scaled_width, scaled_height, 0, glcolormode, GL_UNSIGNED_BYTE, data); goto done; } memcpy (scaled, data, width*height*4); } else GL_ResampleTexture (data, width, height, scaled, scaled_width, scaled_height); TRACE(("dbg: GL_Upload32: recaled\n")); if (type == GL_UNSIGNED_SHORT_5_6_5) GL_8888to565(targface, (unsigned char *)scaled, (unsigned short*)uploadmemorybufferintermediate, 0, scaled_width, scaled_height); else if (type == GL_UNSIGNED_SHORT_4_4_4_4) GL_8888to4444(targface, (unsigned char *)scaled, (unsigned short*)uploadmemorybufferintermediate, 0, scaled_width, scaled_height); else qglTexImage2D (targface, 0, samples, scaled_width, scaled_height, 0, glcolormode, GL_UNSIGNED_BYTE, scaled); if (!(flags&IF_NOMIPMAP) && !gl_config.sgis_generate_mipmap) { miplevel = 0; TRACE(("dbg: GL_Upload32: mips\n")); while (scaled_width > 1 || scaled_height > 1) { GL_MipMap ((qbyte *)scaled, scaled_width, scaled_height); scaled_width >>= 1; scaled_height >>= 1; if (scaled_width < 1) scaled_width = 1; if (scaled_height < 1) scaled_height = 1; miplevel++; if (type == GL_UNSIGNED_SHORT_5_6_5) GL_8888to565(targface, (unsigned char *)scaled, (unsigned short*)uploadmemorybufferintermediate, miplevel, scaled_width, scaled_height); else if (type == GL_UNSIGNED_SHORT_4_4_4_4) GL_8888to4444(targface, (unsigned char *)scaled, (unsigned short*)uploadmemorybufferintermediate, miplevel, scaled_width, scaled_height); else qglTexImage2D (targface, miplevel, samples, scaled_width, scaled_height, 0, glcolormode, GL_UNSIGNED_BYTE, scaled); } } if (targ == GL_TEXTURE_2D && gl_config.arb_texture_compression && gl_compress.value && gl_savecompressedtex.value && name && !(flags&IF_NOMIPMAP)) { vfsfile_t *out; int miplevels; GLint compressed; GLint compressed_size; GLint internalformat; unsigned char *img; char outname[MAX_OSPATH]; int i; miplevels = miplevel+1; qglGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_COMPRESSED_ARB, &compressed); if (compressed == GL_TRUE && !strstr(name, "..")) //is there any point in bothering with the whole endian thing? { Q_snprintfz(outname, sizeof(outname), "tex/%s.tex", name); FS_CreatePath(outname, FS_GAME); out = FS_OpenVFS(outname, "wb", FS_GAME); if (out) { i = LittleLong(miplevels); VFS_WRITE(out, &i, sizeof(i)); i = LittleLong(width); VFS_WRITE(out, &i, sizeof(i)); i = LittleLong(height); VFS_WRITE(out, &i, sizeof(i)); i = LittleLong(flags); VFS_WRITE(out, &i, sizeof(i)); for (miplevel = 0; miplevel < miplevels; miplevel++) { qglGetTexLevelParameteriv(GL_TEXTURE_2D, miplevel, GL_TEXTURE_COMPRESSED_ARB, &compressed); qglGetTexLevelParameteriv(GL_TEXTURE_2D, miplevel, GL_TEXTURE_INTERNAL_FORMAT, &internalformat); qglGetTexLevelParameteriv(GL_TEXTURE_2D, miplevel, GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB, &compressed_size); qglGetTexLevelParameteriv(GL_TEXTURE_2D, miplevel, GL_TEXTURE_WIDTH, &width); qglGetTexLevelParameteriv(GL_TEXTURE_2D, miplevel, GL_TEXTURE_HEIGHT, &height); img = (unsigned char *)BZ_Malloc(compressed_size * sizeof(unsigned char)); qglGetCompressedTexImageARB(GL_TEXTURE_2D, miplevel, img); i = LittleLong(width); VFS_WRITE(out, &i, sizeof(i)); i = LittleLong(height); VFS_WRITE(out, &i, sizeof(i)); i = LittleLong(compressed_size); VFS_WRITE(out, &i, sizeof(i)); i = LittleLong(internalformat); VFS_WRITE(out, &i, sizeof(i)); VFS_WRITE(out, img, compressed_size); BZ_Free(img); } VFS_CLOSE(out); } } } done: if (gl_anisotropy_factor) qglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, gl_anisotropy_factor); // without this, you could loose anisotropy on mapchange if (gl_config.sgis_generate_mipmap && !(flags&IF_NOMIPMAP)) qglTexParameteri(targ, GL_GENERATE_MIPMAP_SGIS, GL_FALSE); /*apply this flag after, so that we can safely change the base (to avoid drivers just not uploading lower mips)*/ if (!gl_config.gles && (flags & IF_MIPCAP)) { qglTexParameteri(targ, GL_TEXTURE_BASE_LEVEL, gl_mipcap_min); qglTexParameteri(targ, GL_TEXTURE_MAX_LEVEL, gl_mipcap_max); } } void GL_Upload32 (char *name, unsigned *data, int width, int height, unsigned int flags) { GL_Upload32_Int(name, data, width, height, flags, GL_RGBA); } void GL_Upload32_BGRA (char *name, unsigned *data, int width, int height, unsigned int flags) { GL_Upload32_Int(name, data, width, height, flags, GL_BGRA_EXT); } void GL_Upload24BGR (char *name, qbyte *framedata, int inwidth, int inheight, unsigned int flags) { int outwidth, outheight; int y, x; int v; unsigned int f, fstep; qbyte *src, *dest; dest = uploadmemorybufferintermediate; //change from bgr bottomup to rgba topdown outwidth = inwidth; outheight = inheight; GL_RoundDimensions(&outwidth, &outheight, !(flags&IF_NOMIPMAP)); if (outwidth*outheight > sizeofuploadmemorybufferintermediate/4) Sys_Error("GL_Upload24BGR: image too big (%i*%i)", inwidth, inheight); for (y=0 ; y>16)*3+2]; *dest++ = src[(f>>16)*3+1]; *dest++ = src[(f>>16)*3+0]; *dest++ = 255; f += fstep; } for ( ; x ; x-=4) //loop through the remaining chunks. { dest[0] = src[(f>>16)*3+2]; dest[1] = src[(f>>16)*3+1]; dest[2] = src[(f>>16)*3+0]; dest[3] = 255; f += fstep; dest[4] = src[(f>>16)*3+2]; dest[5] = src[(f>>16)*3+1]; dest[6] = src[(f>>16)*3+0]; dest[7] = 255; f += fstep; dest[8] = src[(f>>16)*3+2]; dest[9] = src[(f>>16)*3+1]; dest[10] = src[(f>>16)*3+0]; dest[11] = 255; f += fstep; dest[12] = src[(f>>16)*3+2]; dest[13] = src[(f>>16)*3+1]; dest[14] = src[(f>>16)*3+0]; dest[15] = 255; f += fstep; dest += 16; } } } GL_Upload32 (name, (unsigned int*)uploadmemorybufferintermediate, outwidth, outheight, flags); } void GL_Upload24BGR_Flip (char *name, qbyte *framedata, int inwidth, int inheight, unsigned int flags) { int outwidth, outheight; int y, x; int v; unsigned int f, fstep; qbyte *src, *dest; dest = uploadmemorybufferintermediate; //change from bgr bottomup to rgba topdown outwidth = inwidth; outheight = inheight; GL_RoundDimensions(&outwidth, &outheight, !(flags&IF_NOMIPMAP)); if (outwidth*outheight > sizeofuploadmemorybufferintermediate/4) Sys_Error("GL_Upload24BGR_Flip: image too big (%i*%i)", inwidth, inheight); for (y=1 ; y<=outheight ; y++) { v = ((outheight - y)*(float)inheight/outheight); src = framedata + v*(inwidth*3); { f = 0; fstep = ((inwidth)*0x10000)/outwidth; for (x=outwidth ; x&3 ; x--) //do the odd ones first. (bigger condition) { *dest++ = src[(f>>16)*3+2]; *dest++ = src[(f>>16)*3+1]; *dest++ = src[(f>>16)*3+0]; *dest++ = 255; f += fstep; } for ( ; x ; x-=4) //loop through the remaining chunks. { dest[0] = src[(f>>16)*3+2]; dest[1] = src[(f>>16)*3+1]; dest[2] = src[(f>>16)*3+0]; dest[3] = 255; f += fstep; dest[4] = src[(f>>16)*3+2]; dest[5] = src[(f>>16)*3+1]; dest[6] = src[(f>>16)*3+0]; dest[7] = 255; f += fstep; dest[8] = src[(f>>16)*3+2]; dest[9] = src[(f>>16)*3+1]; dest[10] = src[(f>>16)*3+0]; dest[11] = 255; f += fstep; dest[12] = src[(f>>16)*3+2]; dest[13] = src[(f>>16)*3+1]; dest[14] = src[(f>>16)*3+0]; dest[15] = 255; f += fstep; dest += 16; } } } GL_Upload32 (name, (unsigned int*)uploadmemorybufferintermediate, outwidth, outheight, flags); } void GL_Upload8Grey (unsigned char*data, int width, int height, unsigned int flags) { int samples; unsigned char *scaled = uploadmemorybuffer; int scaled_width, scaled_height; scaled_width = width; scaled_height = height; GL_RoundDimensions(&scaled_width, &scaled_height, !(flags&IF_NOMIPMAP)); if (scaled_width * scaled_height > sizeofuploadmemorybuffer/4) Sys_Error ("GL_LoadTexture: too big"); samples = 1;//alpha ? gl_alpha_format : gl_solid_format; if (scaled_width == width && scaled_height == height) { if (flags&IF_NOMIPMAP) { qglTexImage2D (GL_TEXTURE_2D, 0, samples, scaled_width, scaled_height, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, data); goto done; } memcpy (scaled, data, width*height); } else GL_Resample8BitTexture (data, width, height, scaled, scaled_width, scaled_height); qglTexImage2D (GL_TEXTURE_2D, 0, samples, scaled_width, scaled_height, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, scaled); if (!(flags&IF_NOMIPMAP)) { int miplevel; miplevel = 0; while (scaled_width > 1 || scaled_height > 1) { GL_MipMap ((qbyte *)scaled, scaled_width, scaled_height); scaled_width >>= 1; scaled_height >>= 1; if (scaled_width < 1) scaled_width = 1; if (scaled_height < 1) scaled_height = 1; miplevel++; qglTexImage2D (GL_TEXTURE_2D, miplevel, samples, scaled_width, scaled_height, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, scaled); } } done: ; if (!(flags&IF_NOMIPMAP)) { qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min); if (flags & IF_NEAREST) qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max); } else { qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_max_2d); if (flags & IF_NEAREST) qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max_2d); } } void GL_MipMapNormal (qbyte *in, int width, int height) { int i, j; qbyte *out; float inv255 = 1.0f/255.0f; float inv127 = 1.0f/127.0f; float x,y,z,l,mag00,mag01,mag10,mag11; width <<=2; height >>= 1; out = in; for (i=0 ; i 1.0) { out[3] = 255; } else { out[3] = (qbyte)(255.0*l); } } } } //PENTA //sizeofuploadmemorybufferintermediate is guarenteed to be bigger or equal to the normal uploadbuffer size unsigned int * genNormalMap(qbyte *pixels, int w, int h, float scale) { int i, j, wr, hr; unsigned char r, g, b; unsigned *nmap = (unsigned *)uploadmemorybufferintermediate; float sqlen, reciplen, nx, ny, nz; const float oneOver255 = 1.0f/255.0f; float c, cx, cy, dcx, dcy; wr = w; hr = h; for (i=0; i Added support for big endian. } } return &nmap[0]; } //PENTA void GL_UploadBump(qbyte *data, int width, int height, qboolean mipmap, float bumpscale) { unsigned char *scaled = uploadmemorybuffer; int scaled_width, scaled_height; qbyte *nmap; TRACE(("dbg: GL_UploadBump entered: %i %i\n", width, height)); scaled_width = width; scaled_height = height; GL_RoundDimensions(&scaled_width, &scaled_height, mipmap); if (scaled_width * scaled_height > sizeofuploadmemorybuffer/4) Sys_Error ("GL_LoadTexture: too big"); //To resize or not to resize if (scaled_width == width && scaled_height == height) { memcpy (scaled, data, width*height); scaled_width = width; scaled_height = height; } else { //Just picks pixels so grayscale is equivalent with 8 bit. GL_Resample8BitTexture (data, width, height, scaled, scaled_width, scaled_height); } nmap = (qbyte *)genNormalMap(scaled,scaled_width,scaled_height,bumpscale); qglTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA , scaled_width, scaled_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nmap); //glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); //glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); if (mipmap) { int miplevel; miplevel = 0; while (scaled_width > 1 || scaled_height > 1) { GL_MipMap(nmap,scaled_width,scaled_height); //GL_MipMapGray((qbyte *)scaled, scaled_width, scaled_height); scaled_width >>= 1; scaled_height >>= 1; if (scaled_width < 1) scaled_width = 1; if (scaled_height < 1) scaled_height = 1; miplevel++; qglTexImage2D (GL_TEXTURE_2D, miplevel, GL_RGBA, scaled_width, scaled_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nmap); //glTexImage2D (GL_TEXTURE_2D, miplevel, GL_RGBA, scaled_width, scaled_height, 0, GL_RGBA, // GL_UNSIGNED_BYTE, genNormalMap(scaled,scaled_width,scaled_height,4.0f)); } } if (mipmap) { qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min); if (0 & IF_NEAREST) qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max); } else { qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_max_2d); if (0 & IF_NEAREST) qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max_2d); } // if (gl_texturefilteranisotropic) // glTexParameterfv (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, &gl_texureanisotropylevel); TRACE(("dbg: GL_UploadBump: escaped %i %i\n", width, height)); } #ifdef GL_USE8BITTEX #ifdef GL_EXT_paletted_texture void GL_Upload8_EXT (qbyte *data, int width, int height, qboolean mipmap, qboolean alpha) { int i, s; qboolean noalpha; int samples; unsigned char *scaled = uploadmemorybuffer; int scaled_width, scaled_height; GLDraw_Init15to8(); s = width*height; // if there are no transparent pixels, make it a 3 component // texture even if it was specified as otherwise if (alpha) { noalpha = true; for (i=0 ; i sizeofuploadmemorybufferintermediate/4) Sys_Error ("GL_LoadTexture: too big"); samples = 1; // alpha ? gl_alpha_format : gl_solid_format; if (scaled_width == width && scaled_height == height) { if (!mipmap) { glTexImage2D (GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, scaled_width, scaled_height, 0, GL_COLOR_INDEX , GL_UNSIGNED_BYTE, data); goto done; } memcpy (scaled, data, width*height); } else GL_Resample8BitTexture (data, width, height, scaled, scaled_width, scaled_height); glTexImage2D (GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, scaled_width, scaled_height, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, scaled); if (mipmap) { int miplevel; miplevel = 0; while (scaled_width > 1 || scaled_height > 1) { GL_MipMap8Bit ((qbyte *)scaled, scaled_width, scaled_height); scaled_width >>= 1; scaled_height >>= 1; if (scaled_width < 1) scaled_width = 1; if (scaled_height < 1) scaled_height = 1; miplevel++; glTexImage2D (GL_TEXTURE_2D, miplevel, GL_COLOR_INDEX8_EXT, scaled_width, scaled_height, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, scaled); } } done: ; if (mipmap) { glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min); if (flags & IF_NEAREST) qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max); } else { glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_max_2d); if (flags & IF_NEAREST) qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); else glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max_2d); } } #endif #endif /* =============== GL_Upload8 =============== */ int ColorIndex[16] = { 0, 31, 47, 63, 79, 95, 111, 127, 143, 159, 175, 191, 199, 207, 223, 231 }; unsigned ColorPercent[16] = { 25, 51, 76, 102, 114, 127, 140, 153, 165, 178, 191, 204, 216, 229, 237, 247 }; void GL_Upload8 (char *name, qbyte *data, int width, int height, unsigned int flags, unsigned int alpha) { unsigned *trans = (unsigned *)uploadmemorybufferintermediate; int i, s; qboolean noalpha; int p; if (width*height > sizeofuploadmemorybufferintermediate/4) Sys_Error("GL_Upload8: image too big (%i*%i)", width, height); s = width*height; // if there are no transparent pixels, make it a 3 component // texture even if it was specified as otherwise if (alpha && !(flags & IF_NOALPHA)) { noalpha = true; for (i=0 ; i>4]] & 0x00ffffff; trans[i] |= ( int )ColorPercent[p&15] << 24; //trans[i] = 0x7fff0000; } break; } //2:H2_T7G1 //3:H2_TRANS8_0 //4:H2_T4A4 } else { for (i=(s&~3)-4 ; i>=0 ; i-=4) { trans[i] = d_8to24rgbtable[data[i]]|0xff000000; trans[i+1] = d_8to24rgbtable[data[i+1]]|0xff000000; trans[i+2] = d_8to24rgbtable[data[i+2]]|0xff000000; trans[i+3] = d_8to24rgbtable[data[i+3]]|0xff000000; } for (i=s&~3 ; i sizeofuploadmemorybufferintermediate/4) Sys_Error("GL_Upload8FB: image too big (%i*%i)", width, height); // if there are no transparent pixels, make it a 3 component // texture even if it was specified as otherwise for (i=0 ; i sizeofuploadmemorybufferintermediate/4) Sys_Error("GL_Upload8Pal24: image too big (%i*%i)", width, height); // if there are no transparent pixels, make it a 3 component // texture even if it was specified as otherwise if (gammaworks) { if (!(flags & IF_NOALPHA)) { noalpha = true; for (i=0 ; i sizeofuploadmemorybufferintermediate/4) Sys_Error("GL_Upload8Pal32: image too big (%i*%i)", width, height); if (s&3) Sys_Error ("GL_Upload8: s&3"); for (i=0 ; itexnum; } if (!glt) glt = GL_AllocNewGLTexture(identifier, width, height); TRACE(("dbg: GL_LoadTexture: new %s\n", identifier)); glt->bpp = 8; glt->flags = flags; GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); GL_Upload8 ("8bit", data, width, height, flags, transtype); return glt->texnum; } texid_t GL_LoadTextureFB (char *identifier, int width, int height, qbyte *data, unsigned int flags) { int i; gltexture_t *glt; // see if the texture is already present if (identifier[0]) { glt = GL_MatchTexture(identifier, flags, 8, width, height); if (glt) return glt->texnum; } for (i = 0; i < width*height; i++) if (data[i] > 255-vid.fullbright) break; if (i == width*height) return r_nulltex; //none found, don't bother uploading. glt = GL_AllocNewGLTexture(identifier, width, height); glt->bpp = 8; glt->flags = flags; GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); GL_Upload8FB (data, width, height, flags); return glt->texnum; } texid_t GL_LoadTexture8Pal24 (char *identifier, int width, int height, qbyte *data, qbyte *palette24, unsigned int flags) { gltexture_t *glt; // see if the texture is already present if (identifier[0]) { glt = GL_MatchTexture(identifier, flags, 24, width, height); if (glt) return glt->texnum; } glt = GL_AllocNewGLTexture(identifier, width, height); glt->bpp = 24; glt->flags = flags; GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); GL_Upload8Pal24 (data, palette24, width, height, flags); return glt->texnum; } texid_t GL_LoadTexture8Pal32 (char *identifier, int width, int height, qbyte *data, qbyte *palette32, unsigned int flags) { gltexture_t *glt; // see if the texture is already present if (identifier[0]) { glt = GL_MatchTexture(identifier, flags, 32, width, height); if (glt) return glt->texnum; } glt = GL_AllocNewGLTexture(identifier, width, height); glt->bpp = 32; glt->flags = flags; GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); GL_Upload8Pal32 (data, palette32, width, height, flags); return glt->texnum; } texid_t GL_LoadTexture32 (char *identifier, int width, int height, void *data, unsigned int flags) { // qboolean noalpha; // int p, s; gltexture_t *glt = NULL; // see if the texture is already present if (identifier[0]) { glt = GL_MatchTexture(identifier, flags, 32, width, height); if (glt && !(flags & IF_REPLACE)) return glt->texnum; } if (!glt) glt = GL_AllocNewGLTexture(identifier, width, height); glt->bpp = 32; glt->flags = flags; switch((flags & IF_TEXTYPE) >> IF_TEXTYPESHIFT) { case 0: GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); break; case 1: GL_MTBind(0, GL_TEXTURE_3D, glt->texnum); break; default: GL_MTBind(0, GL_TEXTURE_CUBE_MAP_ARB, glt->texnum); break; } GL_Upload32 (identifier, data, width, height, flags); return glt->texnum; } texid_t GL_LoadTexture32_BGRA (char *identifier, int width, int height, unsigned *data, unsigned int flags) { // qboolean noalpha; // int p, s; gltexture_t *glt; // see if the texture is already present if (identifier[0]) { glt = GL_MatchTexture(identifier, flags, 32, width, height); if (glt) return glt->texnum; } glt = GL_AllocNewGLTexture(identifier, width, height); glt->bpp = 32; glt->flags = flags; GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); GL_Upload32_BGRA (identifier, data, width, height, flags); return glt->texnum; } texid_t GL_LoadCompressed(char *name) { unsigned char *file; gltexture_t *glt; char inname[MAX_OSPATH]; if (!gl_config.arb_texture_compression || !gl_compress.ival) return r_nulltex; // see if the texture is already present if (name[0]) { texid_t num = GL_FindTexture(name, 0); if (TEXVALID(num)) return num; } else return r_nulltex; snprintf(inname, sizeof(inname)-1, "tex/%s.tex", name); file = COM_LoadFile(inname, 5); if (!file) return r_nulltex; glt = GL_AllocNewGLTexture(name, 0, 0); glt->bpp = 32; glt->flags = 0; GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); if (!GL_UploadCompressed(file, &glt->width, &glt->height, (unsigned int *)&glt->flags)) return r_nulltex; return glt->texnum; } texid_t GL_LoadTexture8Grey (char *identifier, int width, int height, unsigned char *data, unsigned int flags) { // qboolean noalpha; // int p, s; gltexture_t *glt; // see if the texture is already present if (identifier[0]) { glt = GL_MatchTexture(identifier, flags, 8, width, height); if (glt) return glt->texnum; } flags |= IF_NOALPHA; glt = GL_AllocNewGLTexture(identifier, width, height); glt->bpp = 8; glt->flags = flags; GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); GL_Upload8Grey (data, width, height, flags); return glt->texnum; } texid_t GL_LoadTexture8Bump (char *identifier, int width, int height, unsigned char *data, unsigned int flags, float bumpscale) { // qboolean noalpha; // int p, s; gltexture_t *glt; // see if the texture is already present if (identifier[0]) { glt = GL_MatchTexture(identifier, flags, 8, width, height); if (glt) { TRACE(("dbg: GL_LoadTexture8Bump: duplicated %s\n", identifier)); return glt->texnum; } } TRACE(("dbg: GL_LoadTexture8Bump: new %s\n", identifier)); glt = GL_AllocNewGLTexture(identifier, width, height); glt->bpp = 8; glt->flags = flags; GL_MTBind(0, GL_TEXTURE_2D, glt->texnum); GL_UploadBump (data, width, height, flags, bumpscale); return glt->texnum; } /* ================ GL_LoadPicTexture ================ */ texid_t GL_LoadPicTexture (qpic_t *pic) { return GL_LoadTexture ("", pic->width, pic->height, pic->data, IF_NOMIPMAP, 1); } #endif