1286 lines
36 KiB
C
1286 lines
36 KiB
C
//=======================================================================
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// Copyright XashXT Group 2007 ©
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// r_texture.c - load & convert textures
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//=======================================================================
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#include "gl_local.h"
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/*
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=============================================================
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TEXTURES UPLOAD
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=============================================================
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*/
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dll_info_t imglib_dll = { "imglib.dll", NULL, "CreateAPI", NULL, NULL, true, sizeof(imglib_exp_t) };
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image_t gltextures[MAX_GLTEXTURES];
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int numgltextures;
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byte intensitytable[256];
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byte lumatable[256];
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cvar_t *gl_maxsize;
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byte *r_imagepool;
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bool use_gl_extension = false;
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cvar_t *intensity;
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uint d_8to24table[256];
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imglib_exp_t *Image;
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#define STAGE_NORMAL 0
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#define STAGE_LUMA 1
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typedef struct
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{
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int format;
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int width;
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int height;
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int bpp;
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int bpc;
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int bps;
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int SizeOfPlane;
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int SizeOfData;
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int SizeOfFile;
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int numLayers;
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int MipCount;
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int BitsCount;
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uint glMask;
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uint glType;
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imagetype_t type;
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int stage;
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int flags;
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byte *pal;
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byte *source;
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byte *scaled;
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} pixformat_desc_t;
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static pixformat_desc_t image_desc;
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static byte palette_int[] =
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{
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#include "palette.h"
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};
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/*
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===============
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R_ImageList_f
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===============
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*/
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void R_ImageList_f (void)
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{
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int i;
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image_t *image;
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const char *palstrings[2] = {"RGB","PAL"};
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Msg( "------------------\n");
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for (i = 0, image = gltextures; i < numgltextures; i++, image++)
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{
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if (image->texnum[0] <= 0) continue;
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switch (image->type)
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{
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case it_pic: Msg( "Pic "); break;
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case it_sky: Msg( "Sky "); break;
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case it_wall: Msg( "Wall"); break;
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case it_skin: Msg( "Skin"); break;
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case it_sprite: Msg( "Spr "); break;
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case it_cubemap: Msg( "Cubemap "); break;
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default: Msg( "Sys "); break;
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}
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Msg( " %3i %3i %s: %s\n", image->width, image->height, palstrings[image->paletted], image->name);
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}
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Msg( "Total images count (without mipmaps): %i\n", numgltextures);
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}
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bool R_ImageHasMips( void )
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{
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// will be generated later
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if(image_desc.flags & IMAGE_GEN_MIPS)
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return true;
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if( image_desc.MipCount > 1)
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return true;
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return false;
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}
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/*
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===============
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R_GetImageSize
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calculate buffer size for current miplevel
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===============
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*/
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uint R_GetImageSize( int block, int width, int height, int depth, int bpp, int rgbcount )
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{
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uint BlockSize = 0;
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if(block == 0) BlockSize = width * height * bpp;
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else if(block > 0) BlockSize = ((width + 3)/4) * ((height + 3)/4) * depth * block;
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else if(block < 0 && rgbcount > 0) BlockSize = width * height * depth * rgbcount;
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else BlockSize = width * height * abs(block);
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return BlockSize;
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}
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/*
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===============
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R_SetPixelFormat
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prepare image to upload in video memory
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===============
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*/
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void R_SetPixelFormat( int width, int height, int depth )
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{
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int BlockSize;
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BlockSize = PFDesc[image_desc.format].block;
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image_desc.bpp = PFDesc[image_desc.format].bpp;
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image_desc.bpc = PFDesc[image_desc.format].bpc;
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image_desc.glMask = PFDesc[image_desc.format].glmask;
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image_desc.glType = PFDesc[image_desc.format].gltype;
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image_desc.numLayers = depth;
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image_desc.width = width;
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image_desc.height = height;
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image_desc.bps = image_desc.width * image_desc.bpp * image_desc.bpc;
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image_desc.SizeOfPlane = image_desc.bps * image_desc.height;
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image_desc.SizeOfData = image_desc.SizeOfPlane * image_desc.numLayers;
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// NOTE: size of current miplevel or cubemap side, not total (filesize - sizeof(header))
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image_desc.SizeOfFile = R_GetImageSize( BlockSize, width, height, depth, image_desc.bpp, image_desc.BitsCount / 8);
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}
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/*
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===============
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R_GetPixelFormat
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filled additional info
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===============
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*/
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bool R_GetPixelFormat( rgbdata_t *pic, imagetype_t type )
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{
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int w, h, d, i, s, BlockSize;
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size_t mipsize, totalsize = 0;
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if(!pic || !pic->buffer) return false;
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Mem_EmptyPool( r_imagepool ); // flush buffers
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memset( &image_desc, 0, sizeof(image_desc));
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for(i = 0; i < PF_TOTALCOUNT; i++)
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{
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if(pic->type == PFDesc[i].format)
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{
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BlockSize = PFDesc[i].block;
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image_desc.bpp = PFDesc[i].bpp;
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image_desc.bpc = PFDesc[i].bpc;
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image_desc.glMask = PFDesc[i].glmask;
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image_desc.glType = PFDesc[i].gltype;
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image_desc.format = pic->type;
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break;
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}
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}
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if(i != PF_TOTALCOUNT) // make sure what match found
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{
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image_desc.numLayers = d = pic->numLayers;
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image_desc.width = w = pic->width;
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image_desc.height = h = pic->height;
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image_desc.flags = pic->flags;
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image_desc.type = type;
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image_desc.bps = image_desc.width * image_desc.bpp * image_desc.bpc;
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image_desc.SizeOfPlane = image_desc.bps * image_desc.height;
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image_desc.SizeOfData = image_desc.SizeOfPlane * image_desc.numLayers;
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image_desc.BitsCount = pic->bitsCount;
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// now correct buffer size
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for( i = 0; i < pic->numMips; i++, totalsize += mipsize )
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{
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mipsize = R_GetImageSize( BlockSize, w, h, d, image_desc.bpp, image_desc.BitsCount / 8 );
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w = (w+1)>>1, h = (h+1)>>1, d = (d+1)>>1;
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}
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if(type == it_pic || type == it_sky)
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{
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// don't build mips for sky and hud pics
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image_desc.flags &= ~IMAGE_GEN_MIPS;
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image_desc.MipCount = 1; // and ignore it to load
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}
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else if( pic->numMips > 1 )
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{
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// .dds, .wal or .mip image
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image_desc.flags &= ~IMAGE_GEN_MIPS;
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image_desc.MipCount = pic->numMips;
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}
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else
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{
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// so it normal texture without mips
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image_desc.flags |= IMAGE_GEN_MIPS;
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image_desc.MipCount = pic->numMips;
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}
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if(image_desc.MipCount < 1) image_desc.MipCount = 1;
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image_desc.pal = pic->palette;
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}
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// restore temp dimensions
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w = image_desc.width;
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h = image_desc.height;
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s = w * h;
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// can use gl extension ?
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R_RoundImageDimensions(&w, &h);
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if(w == image_desc.width && h == image_desc.height)
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use_gl_extension = true;
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else use_gl_extension = false;
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image_desc.source = Mem_Alloc( r_imagepool, s * 4 ); // source buffer
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image_desc.scaled = Mem_Alloc( r_imagepool, w * h * 4 ); // scaled buffer
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if(image_desc.flags & IMAGE_CUBEMAP)
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totalsize *= 6;
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if(totalsize != pic->size) // sanity check
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{
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MsgDev(D_WARN, "R_GetPixelFormat: invalid image size (%i should be %i)\n", pic->size, totalsize );
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return false;
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}
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if(s&3) // will be resample, not error
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{
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MsgDev(D_WARN, "R_GetPixelFormat: s&3 [%d x %d]\n", image_desc.width, image_desc.height );
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return false;
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}
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return true;
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}
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/*
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===============
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R_GetPalette
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===============
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*/
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void R_GetPalette( void )
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{
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uint v;
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int i, r, g, b;
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byte *pal = palette_int;
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// used by particle system once only
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for (i = 0; i < 256; i++)
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{
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r = pal[i*3+0];
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g = pal[i*3+1];
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b = pal[i*3+2];
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v = (255<<24) + (r<<0) + (g<<8) + (b<<16);
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d_8to24table[i] = LittleLong(v);
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}
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d_8to24table[255] &= LittleLong(0xffffff); // 255 is transparent
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}
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/*
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===============
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R_ShutdownTextures
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===============
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*/
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void R_ShutdownTextures (void)
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{
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int i, k;
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image_t *image;
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for (i = 0, image = gltextures; i < numgltextures; i++, image++)
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{
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// free image_t slot
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if (!image->registration_sequence) continue;
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// free it
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if(image->type == it_sky || image->type == it_cubemap)
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for(k = 0; k < 6; k++) pglDeleteTextures (1, &image->texnum[k] );
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else pglDeleteTextures (1, &image->texnum[0] );
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memset (image, 0, sizeof(*image));
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}
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Image->Free();
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Sys_FreeLibrary( &imglib_dll ); // free imagelib
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}
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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 R_InitTextures( void )
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{
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int texsize, i, j;
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launch_t CreateImglib;
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float f;
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Sys_LoadLibrary( &imglib_dll ); // load imagelib
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CreateImglib = (void *)imglib_dll.main;
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Image = CreateImglib( &com, NULL ); // second interface not allowed
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Image->Init( HOST_NORMAL );
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r_imagepool = Mem_AllocPool("Texture Pool");
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gl_maxsize = Cvar_Get( "gl_maxsize", "4096", CVAR_ARCHIVE, "texture dimension max size" );
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pglGetIntegerv(GL_MAX_TEXTURE_SIZE, &texsize); // merge value
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if( gl_maxsize->integer != texsize ) Cvar_SetValue( "gl_maxsize", texsize );
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registration_sequence = 1;
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// init intensity conversions
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intensity = Cvar_Get ("intensity", "2", 0, "gamma intensity value" );
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if( intensity->value <= 1 ) Cvar_SetValue( "intensity", 1 );
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gl_state.inverse_intensity = 1 / intensity->value;
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for (i = 0; i < 256; i++)
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{
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j = i * intensity->value;
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intensitytable[i] = bound( 0, j, 255 );
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}
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// make a luma table by squaring the intensity twice
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for( i = 0; i < 256; i++ )
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{
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f = ( float )i/255.0f;
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f *= f;
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f *= 2;
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f *= f;
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f *= 2;
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lumatable[i] = ( byte )(bound(0,f,1) * 255.0f);
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}
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R_GetPalette();
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}
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void R_RoundImageDimensions( int *scaled_width, int *scaled_height )
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{
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int width, height;
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for( width = 1; width < *scaled_width; width <<= 1 );
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for( height = 1; height < *scaled_height; height <<= 1 );
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*scaled_width = bound( 1, width, gl_maxsize->integer );
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*scaled_height = bound( 1, height, gl_maxsize->integer );
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}
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bool R_ResampleTexture( uint *in, int inwidth, int inheight, uint *out, int outwidth, int outheight )
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{
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int i, j;
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uint frac, fracstep;
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uint *inrow, *inrow2;
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uint p1[4096], p2[4096];
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byte *pix1, *pix2, *pix3, *pix4;
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// check for buffers
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if(!in || !out || in == out) return false;
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if(outheight == 0 || outwidth == 0) return false;
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if( image_desc.stage == STAGE_LUMA )
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{
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// apply the double-squared luminescent version
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for( i = 0, pix1 = (byte *)in; i < inwidth * inheight; i++, pix1 += 4 )
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{
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pix1[0] = lumatable[pix1[0]];
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pix1[1] = lumatable[pix1[1]];
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pix1[2] = lumatable[pix1[2]];
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}
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}
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// nothing to resample ?
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if( inwidth == outwidth && inheight == outheight)
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{
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Mem_Copy( out, in, inheight * inwidth * 4 );
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return false;
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}
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fracstep = inwidth * 0x10000 / outwidth;
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frac = fracstep>>2;
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for( i = 0; i < outwidth; i++)
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{
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p1[i] = 4 * (frac>>16);
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frac += fracstep;
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}
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frac = 3 * (fracstep>>2);
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for( i = 0; i < outwidth; i++)
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{
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p2[i] = 4 * (frac>>16);
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frac += fracstep;
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}
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for (i = 0; i < outheight; i++, out += outwidth)
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{
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inrow = in + inwidth * (int)((i + 0.25) * inheight / outheight);
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inrow2 = in + inwidth * (int)((i + 0.75) * inheight / outheight);
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frac = fracstep>>1;
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for (j = 0; j < outwidth; j++)
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{
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pix1 = (byte *)inrow + p1[j];
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pix2 = (byte *)inrow + p2[j];
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pix3 = (byte *)inrow2 + p1[j];
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pix4 = (byte *)inrow2 + p2[j];
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((byte *)(out+j))[0] = (pix1[0] + pix2[0] + pix3[0] + pix4[0])>>2;
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((byte *)(out+j))[1] = (pix1[1] + pix2[1] + pix3[1] + pix4[1])>>2;
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((byte *)(out+j))[2] = (pix1[2] + pix2[2] + pix3[2] + pix4[2])>>2;
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((byte *)(out+j))[3] = (pix1[3] + pix2[3] + pix3[3] + pix4[3])>>2;
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}
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}
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return true;
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}
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void R_ImageCorrectPreMult( uint *data, int datasize )
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{
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int i;
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for (i = 0; i < datasize; i += 4)
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{
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if (data[i+3] != 0) // Cannot divide by 0.
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{
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data[i+0] = (byte)(((uint)data[i+0]<<8) / data[i+3]);
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data[i+1] = (byte)(((uint)data[i+1]<<8) / data[i+3]);
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data[i+2] = (byte)(((uint)data[i+2]<<8) / data[i+3]);
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}
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}
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}
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/*
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===============
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pglGenerateMipmaps
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sgis generate mipmap
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===============
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*/
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void GL_GenerateMipmaps( void )
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{
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if( image_desc.flags & IMAGE_GEN_MIPS )
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{
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pglHint( GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST );
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pglTexParameteri( GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, GL_TRUE );
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if(pglGetError()) MsgDev(D_WARN, "GL_GenerateMipmaps: can't create mip levels\n");
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}
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}
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/*
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===============
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qrsCompressedTexImage2D
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cpu version of decompress dds
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===============
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*/
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bool qrsCompressedTexImage2D( uint target, int level, int internalformat, uint width, uint height, int border, uint imageSize, const void* data )
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{
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color32 colours[4], *col;
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uint bits, bitmask, Offset;
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int scaled_width, scaled_height;
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word sAlpha, sColor0, sColor1;
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byte *fin, *fout = image_desc.source;
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byte alphas[8], *alpha, *alphamask;
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int w, h, x, y, z, i, j, k, Select;
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uint *scaled = (uint *)image_desc.scaled;
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bool has_alpha = false;
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int samples;
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if (!data) return false;
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fin = (byte *)data;
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w = width;
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h = height;
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switch( internalformat )
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{
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case PF_DXT1:
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colours[0].a = 0xFF;
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colours[1].a = 0xFF;
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colours[2].a = 0xFF;
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for (z = 0; z < image_desc.numLayers; z++)
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{
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for (y = 0; y < h; y += 4)
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{
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for (x = 0; x < w; x += 4)
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{
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sColor0 = *((word*)fin);
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sColor0 = LittleShort(sColor0);
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sColor1 = *((word*)(fin + 2));
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sColor1 = LittleShort(sColor1);
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R_DXTReadColor(sColor0, colours);
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R_DXTReadColor(sColor1, colours + 1);
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bitmask = ((uint*)fin)[1];
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bitmask = LittleLong( bitmask );
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fin += 8;
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if (sColor0 > sColor1)
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{
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// Four-color block: derive the other two colors.
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// 00 = color_0, 01 = color_1, 10 = color_2, 11 = color_3
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// These 2-bit codes correspond to the 2-bit fields
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// stored in the 64-bit block.
|
|
colours[2].b = (2 * colours[0].b + colours[1].b + 1) / 3;
|
|
colours[2].g = (2 * colours[0].g + colours[1].g + 1) / 3;
|
|
colours[2].r = (2 * colours[0].r + colours[1].r + 1) / 3;
|
|
colours[3].b = (colours[0].b + 2 * colours[1].b + 1) / 3;
|
|
colours[3].g = (colours[0].g + 2 * colours[1].g + 1) / 3;
|
|
colours[3].r = (colours[0].r + 2 * colours[1].r + 1) / 3;
|
|
colours[3].a = 0xFF;
|
|
}
|
|
else
|
|
{
|
|
// Three-color block: derive the other color.
|
|
// 00 = color_0, 01 = color_1, 10 = color_2,
|
|
// 11 = transparent.
|
|
// These 2-bit codes correspond to the 2-bit fields
|
|
// stored in the 64-bit block.
|
|
colours[2].b = (colours[0].b + colours[1].b) / 2;
|
|
colours[2].g = (colours[0].g + colours[1].g) / 2;
|
|
colours[2].r = (colours[0].r + colours[1].r) / 2;
|
|
colours[3].b = (colours[0].b + 2 * colours[1].b + 1) / 3;
|
|
colours[3].g = (colours[0].g + 2 * colours[1].g + 1) / 3;
|
|
colours[3].r = (colours[0].r + 2 * colours[1].r + 1) / 3;
|
|
colours[3].a = 0x00;
|
|
}
|
|
for (j = 0, k = 0; j < 4; j++)
|
|
{
|
|
for (i = 0; i < 4; i++, k++)
|
|
{
|
|
Select = (bitmask & (0x03 << k*2)) >> k*2;
|
|
col = &colours[Select];
|
|
|
|
if (((x + i) < w) && ((y + j) < h))
|
|
{
|
|
uint ofs = z * image_desc.SizeOfPlane + (y + j) * image_desc.bps + (x + i) * image_desc.bpp;
|
|
fout[ofs + 0] = col->r;
|
|
fout[ofs + 1] = col->g;
|
|
fout[ofs + 2] = col->b;
|
|
fout[ofs + 3] = col->a;
|
|
if(col->a == 0) has_alpha = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case PF_DXT3:
|
|
for (z = 0; z < image_desc.numLayers; z++)
|
|
{
|
|
for (y = 0; y < h; y += 4)
|
|
{
|
|
for (x = 0; x < w; x += 4)
|
|
{
|
|
alpha = fin;
|
|
fin += 8;
|
|
R_DXTReadColors(fin, colours);
|
|
bitmask = ((uint*)fin)[1];
|
|
bitmask = LittleLong(bitmask);
|
|
fin += 8;
|
|
|
|
// Four-color block: derive the other two colors.
|
|
// 00 = color_0, 01 = color_1, 10 = color_2, 11 = color_3
|
|
// These 2-bit codes correspond to the 2-bit fields
|
|
// stored in the 64-bit block.
|
|
colours[2].b = (2 * colours[0].b + colours[1].b + 1) / 3;
|
|
colours[2].g = (2 * colours[0].g + colours[1].g + 1) / 3;
|
|
colours[2].r = (2 * colours[0].r + colours[1].r + 1) / 3;
|
|
colours[3].b = (colours[0].b + 2 * colours[1].b + 1) / 3;
|
|
colours[3].g = (colours[0].g + 2 * colours[1].g + 1) / 3;
|
|
colours[3].r = (colours[0].r + 2 * colours[1].r + 1) / 3;
|
|
|
|
k = 0;
|
|
for (j = 0; j < 4; j++)
|
|
{
|
|
for (i = 0; i < 4; i++, k++)
|
|
{
|
|
Select = (bitmask & (0x03 << k*2)) >> k*2;
|
|
col = &colours[Select];
|
|
if (((x + i) < w) && ((y + j) < h))
|
|
{
|
|
Offset = z * image_desc.SizeOfPlane + (y + j) * image_desc.bps + (x + i) * image_desc.bpp;
|
|
fout[Offset + 0] = col->r;
|
|
fout[Offset + 1] = col->g;
|
|
fout[Offset + 2] = col->b;
|
|
}
|
|
}
|
|
}
|
|
for (j = 0; j < 4; j++)
|
|
{
|
|
sAlpha = alpha[2*j] + 256*alpha[2*j+1];
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
if (((x + i) < w) && ((y + j) < h))
|
|
{
|
|
Offset = z * image_desc.SizeOfPlane + (y + j) * image_desc.bps + (x + i) * image_desc.bpp + 3;
|
|
fout[Offset] = sAlpha & 0x0F;
|
|
fout[Offset] = fout[Offset] | (fout[Offset]<<4);
|
|
if(sAlpha == 0) has_alpha = true;
|
|
}
|
|
sAlpha >>= 4;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case PF_DXT5:
|
|
for (z = 0; z < image_desc.numLayers; z++)
|
|
{
|
|
for (y = 0; y < h; y += 4)
|
|
{
|
|
for (x = 0; x < w; x += 4)
|
|
{
|
|
if (y >= h || x >= w) break;
|
|
alphas[0] = fin[0];
|
|
alphas[1] = fin[1];
|
|
alphamask = fin + 2;
|
|
fin += 8;
|
|
|
|
R_DXTReadColors(fin, colours);
|
|
bitmask = ((uint*)fin)[1];
|
|
bitmask = LittleLong(bitmask);
|
|
fin += 8;
|
|
|
|
// Four-color block: derive the other two colors.
|
|
// 00 = color_0, 01 = color_1, 10 = color_2, 11 = color_3
|
|
// These 2-bit codes correspond to the 2-bit fields
|
|
// stored in the 64-bit block.
|
|
colours[2].b = (2 * colours[0].b + colours[1].b + 1) / 3;
|
|
colours[2].g = (2 * colours[0].g + colours[1].g + 1) / 3;
|
|
colours[2].r = (2 * colours[0].r + colours[1].r + 1) / 3;
|
|
colours[3].b = (colours[0].b + 2 * colours[1].b + 1) / 3;
|
|
colours[3].g = (colours[0].g + 2 * colours[1].g + 1) / 3;
|
|
colours[3].r = (colours[0].r + 2 * colours[1].r + 1) / 3;
|
|
|
|
k = 0;
|
|
for (j = 0; j < 4; j++)
|
|
{
|
|
for (i = 0; i < 4; i++, k++)
|
|
{
|
|
Select = (bitmask & (0x03 << k*2)) >> k*2;
|
|
col = &colours[Select];
|
|
// only put pixels out < width or height
|
|
if (((x + i) < w) && ((y + j) < h))
|
|
{
|
|
Offset = z * image_desc.SizeOfPlane + (y + j) * image_desc.bps + (x + i) * image_desc.bpp;
|
|
fout[Offset + 0] = col->r;
|
|
fout[Offset + 1] = col->g;
|
|
fout[Offset + 2] = col->b;
|
|
}
|
|
}
|
|
}
|
|
// 8-alpha or 6-alpha block?
|
|
if (alphas[0] > alphas[1])
|
|
{
|
|
// 8-alpha block: derive the other six alphas.
|
|
// Bit code 000 = alpha_0, 001 = alpha_1, others are interpolated.
|
|
alphas[2] = (6 * alphas[0] + 1 * alphas[1] + 3) / 7; // bit code 010
|
|
alphas[3] = (5 * alphas[0] + 2 * alphas[1] + 3) / 7; // bit code 011
|
|
alphas[4] = (4 * alphas[0] + 3 * alphas[1] + 3) / 7; // bit code 100
|
|
alphas[5] = (3 * alphas[0] + 4 * alphas[1] + 3) / 7; // bit code 101
|
|
alphas[6] = (2 * alphas[0] + 5 * alphas[1] + 3) / 7; // bit code 110
|
|
alphas[7] = (1 * alphas[0] + 6 * alphas[1] + 3) / 7; // bit code 111
|
|
}
|
|
else
|
|
{
|
|
// 6-alpha block.
|
|
// Bit code 000 = alpha_0, 001 = alpha_1, others are interpolated.
|
|
alphas[2] = (4 * alphas[0] + 1 * alphas[1] + 2) / 5; // Bit code 010
|
|
alphas[3] = (3 * alphas[0] + 2 * alphas[1] + 2) / 5; // Bit code 011
|
|
alphas[4] = (2 * alphas[0] + 3 * alphas[1] + 2) / 5; // Bit code 100
|
|
alphas[5] = (1 * alphas[0] + 4 * alphas[1] + 2) / 5; // Bit code 101
|
|
alphas[6] = 0x00; // Bit code 110
|
|
alphas[7] = 0xFF; // Bit code 111
|
|
}
|
|
// Note: Have to separate the next two loops,
|
|
// it operates on a 6-byte system.
|
|
|
|
// First three bytes
|
|
bits = (alphamask[0]) | (alphamask[1] << 8) | (alphamask[2] << 16);
|
|
for (j = 0; j < 2; j++)
|
|
{
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
// only put pixels out < width or height
|
|
if (((x + i) < w) && ((y + j) < h))
|
|
{
|
|
Offset = z * image_desc.SizeOfPlane + (y + j) * image_desc.bps + (x + i) * image_desc.bpp + 3;
|
|
fout[Offset] = alphas[bits & 0x07];
|
|
}
|
|
bits >>= 3;
|
|
}
|
|
}
|
|
// Last three bytes
|
|
bits = (alphamask[3]) | (alphamask[4] << 8) | (alphamask[5] << 16);
|
|
for (j = 2; j < 4; j++)
|
|
{
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
// only put pixels out < width or height
|
|
if (((x + i) < w) && ((y + j) < h))
|
|
{
|
|
Offset = z * image_desc.SizeOfPlane + (y + j) * image_desc.bps + (x + i) * image_desc.bpp + 3;
|
|
fout[Offset] = alphas[bits & 0x07];
|
|
if(bits & 0x07) has_alpha = true;
|
|
}
|
|
bits >>= 3;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
MsgDev(D_WARN, "qrsCompressedTexImage2D: invalid compression type: %s\n", PFDesc[internalformat].name );
|
|
return false;
|
|
}
|
|
|
|
scaled_width = w;
|
|
scaled_height = h;
|
|
R_RoundImageDimensions(&scaled_width, &scaled_height );
|
|
|
|
// upload base image or miplevel
|
|
samples = (has_alpha) ? gl_tex_alpha_format : gl_tex_solid_format;
|
|
R_ResampleTexture ((uint *)fout, w, h, scaled, scaled_width, scaled_height);
|
|
if( !level ) GL_GenerateMipmaps(); // generate mips if needed
|
|
pglTexImage2D ( target, level, samples, scaled_width, scaled_height, border, image_desc.glMask, image_desc.glType, (byte *)scaled );
|
|
|
|
if(pglGetError()) return false;
|
|
return true;
|
|
}
|
|
|
|
bool CompressedTexImage2D( uint target, int level, int intformat, uint width, uint height, int border, uint imageSize, const void* data )
|
|
{
|
|
uint dxtformat = 0;
|
|
uint pixformat = PFDesc[intformat].format;
|
|
|
|
if(GL_Support( R_TEXTURE_COMPRESSION_EXT ))
|
|
{
|
|
switch( pixformat )
|
|
{
|
|
case PF_DXT1: dxtformat = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; break;
|
|
case PF_DXT3: dxtformat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; break;
|
|
case PF_DXT5: dxtformat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; break;
|
|
default: use_gl_extension = false; break;
|
|
}
|
|
}
|
|
else use_gl_extension = false;
|
|
|
|
if( use_gl_extension )
|
|
{
|
|
if( !level ) GL_GenerateMipmaps(); // generate mips if needed
|
|
pglCompressedTexImage2DARB(target, level, dxtformat, width, height, border, imageSize, data );
|
|
if(!pglGetError()) return true;
|
|
// otherwise try loading with software unpacker
|
|
}
|
|
return qrsCompressedTexImage2D(target, level, pixformat, width, height, border, imageSize, data );
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_LoadImageDXT
|
|
===============
|
|
*/
|
|
bool R_LoadImageDXT( byte *data )
|
|
{
|
|
int i, size = 0;
|
|
int w = image_desc.width;
|
|
int h = image_desc.height;
|
|
int d = image_desc.numLayers;
|
|
|
|
for( i = 0; i < image_desc.MipCount; i++, data += size )
|
|
{
|
|
R_SetPixelFormat( w, h, d );
|
|
size = image_desc.SizeOfFile;
|
|
|
|
if(!CompressedTexImage2D(GL_TEXTURE_2D, i, image_desc.format, w, h, 0, size, data ))
|
|
break; // there were errors
|
|
w = (w+1)>>1, h = (h+1)>>1, d = (d+1)>>1; //calc size of next mip
|
|
}
|
|
|
|
GL_TexFilter();
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
qrsDecompressedTexImage2D
|
|
|
|
cpu version of loading non paletted rgba buffer
|
|
===============
|
|
*/
|
|
bool qrsDecompressedTexImage2D( uint target, int level, int internalformat, uint width, uint height, int border, uint imageSize, const void* data )
|
|
{
|
|
byte *fin;
|
|
int i, p, samples;
|
|
int scaled_width, scaled_height;
|
|
uint *scaled = (uint *)image_desc.scaled;
|
|
byte *fout = image_desc.source;
|
|
bool noalpha = true;
|
|
|
|
if (!data) return false;
|
|
fin = (byte *)data;
|
|
scaled_width = width;
|
|
scaled_height = height;
|
|
|
|
switch( PFDesc[internalformat].format )
|
|
{
|
|
case PF_INDEXED_24:
|
|
if (image_desc.flags & IMAGE_HAS_ALPHA)
|
|
{
|
|
// studio model indexed texture probably with alphachannel
|
|
for (i = 0; i < width * height; i++)
|
|
{
|
|
p = fin[i];
|
|
if (p == 255) noalpha = false;
|
|
fout[(i<<2)+0] = image_desc.pal[p*3+0];
|
|
fout[(i<<2)+1] = image_desc.pal[p*3+1];
|
|
fout[(i<<2)+2] = image_desc.pal[p*3+2];
|
|
fout[(i<<2)+3] = (p == 255) ? 0 : 255;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// studio model indexed texture without alphachannel
|
|
for (i = 0; i < width * height; i++)
|
|
{
|
|
p = fin[i];
|
|
fout[(i<<2)+0] = image_desc.pal[p*3+0];
|
|
fout[(i<<2)+1] = image_desc.pal[p*3+1];
|
|
fout[(i<<2)+2] = image_desc.pal[p*3+2];
|
|
fout[(i<<2)+3] = 255;
|
|
}
|
|
}
|
|
if( noalpha ) image_desc.flags &= ~IMAGE_HAS_ALPHA;
|
|
break;
|
|
case PF_INDEXED_32:
|
|
// sprite indexed frame with alphachannel
|
|
for (i = 0; i < width*height; i++ )
|
|
{
|
|
fout[(i<<2)+0] = image_desc.pal[fin[i]*4+0];
|
|
fout[(i<<2)+1] = image_desc.pal[fin[i]*4+1];
|
|
fout[(i<<2)+2] = image_desc.pal[fin[i]*4+2];
|
|
fout[(i<<2)+3] = image_desc.pal[fin[i]*4+3];
|
|
}
|
|
break;
|
|
case PF_RGB_24:
|
|
case PF_RGB_24_FLIP:
|
|
// 24-bit image, that will not expanded to RGBA in imagelib.c for some reasons
|
|
for (i = 0; i < width * height; i++ )
|
|
{
|
|
fout[(i<<2)+0] = fin[i+0];
|
|
fout[(i<<2)+1] = fin[i+1];
|
|
fout[(i<<2)+2] = fin[i+2];
|
|
fout[(i<<2)+3] = 255;
|
|
}
|
|
break;
|
|
case PF_ABGR_64:
|
|
case PF_RGBA_32:
|
|
case PF_RGBA_GN:
|
|
fout = fin; // nothing to process
|
|
break;
|
|
default:
|
|
MsgDev(D_WARN, "qrsDecompressedTexImage2D: invalid compression type: %s\n", PFDesc[internalformat].name );
|
|
return false;
|
|
}
|
|
|
|
R_RoundImageDimensions( &scaled_width, &scaled_height );
|
|
samples = (image_desc.flags & IMAGE_HAS_ALPHA) ? gl_tex_alpha_format : gl_tex_solid_format;
|
|
R_ResampleTexture((uint *)fout, width, height, scaled, scaled_width, scaled_height);
|
|
if( !level ) GL_GenerateMipmaps(); // generate mips if needed
|
|
pglTexImage2D( target, level, samples, scaled_width, scaled_height, border, image_desc.glMask, image_desc.glType, (byte *)scaled );
|
|
|
|
if(pglGetError()) return false;
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
R_LoadImageRGBA
|
|
===============
|
|
*/
|
|
bool R_LoadImageRGBA( byte *data )
|
|
{
|
|
int i, size = 0;
|
|
int w = image_desc.width;
|
|
int h = image_desc.height;
|
|
int d = image_desc.numLayers; // ABGR_64 may using some layers
|
|
|
|
for( i = 0; i < image_desc.MipCount; i++, data += size )
|
|
{
|
|
R_SetPixelFormat( w, h, d );
|
|
size = image_desc.SizeOfFile;
|
|
|
|
if(!qrsDecompressedTexImage2D(GL_TEXTURE_2D, i, image_desc.format, w, h, 0, size, data ))
|
|
break; // there were errors
|
|
w = (w+1)>>1, h = (h+1)>>1, d = (d+1)>>1; // calc size of next mip
|
|
}
|
|
|
|
GL_TexFilter();
|
|
return true;
|
|
}
|
|
|
|
bool qrsDecompressImageARGB( uint target, int level, int internalformat, uint width, uint height, int border, uint imageSize, const void* data )
|
|
{
|
|
uint ReadI = 0, TempBpp;
|
|
uint RedL, RedR, GreenL, GreenR, BlueL, BlueR, AlphaL, AlphaR;
|
|
uint r_bitmask, g_bitmask, b_bitmask, a_bitmask;
|
|
uint *scaled = (unsigned *)image_desc.scaled;
|
|
byte *fin, *fout = image_desc.source;
|
|
bool has_alpha = false;
|
|
int scaled_width, scaled_height;
|
|
int i, w, h, samples;
|
|
|
|
if (!data) return false;
|
|
if(image_desc.pal)
|
|
{
|
|
byte *pal = image_desc.pal;//copy ptr
|
|
r_bitmask = BuffLittleLong( pal ); pal += 4;
|
|
g_bitmask = BuffLittleLong( pal ); pal += 4;
|
|
b_bitmask = BuffLittleLong( pal ); pal += 4;
|
|
a_bitmask = BuffLittleLong( pal ); pal += 4;
|
|
}
|
|
else
|
|
{
|
|
MsgDev(D_ERROR, "R_StoreImageARGB: can't get RGBA bitmask\n" );
|
|
return false;
|
|
}
|
|
|
|
R_GetBitsFromMask(r_bitmask, &RedL, &RedR);
|
|
R_GetBitsFromMask(g_bitmask, &GreenL, &GreenR);
|
|
R_GetBitsFromMask(b_bitmask, &BlueL, &BlueR);
|
|
R_GetBitsFromMask(a_bitmask, &AlphaL, &AlphaR);
|
|
|
|
fin = (byte *)data;
|
|
w = width;
|
|
h = height;
|
|
TempBpp = image_desc.BitsCount / 8;
|
|
|
|
for (i = 0; i < image_desc.SizeOfData; i += image_desc.bpp)
|
|
{
|
|
// TODO: This is SLOOOW...
|
|
// but the old version crashed in release build under
|
|
// winxp (and xp is right to stop this code - I always
|
|
// wondered that it worked the old way at all)
|
|
if (image_desc.SizeOfData - i < 4)
|
|
{
|
|
// less than 4 byte to write?
|
|
if (TempBpp == 1) ReadI = *((byte*)fin);
|
|
else if (TempBpp == 2) ReadI = BuffLittleShort( fin );
|
|
else if (TempBpp == 3) ReadI = BuffLittleLong( fin );
|
|
}
|
|
else ReadI = BuffLittleLong( fin );
|
|
fin += TempBpp;
|
|
fout[i] = ((ReadI & r_bitmask)>> RedR) << RedL;
|
|
|
|
if(image_desc.bpp >= 3)
|
|
{
|
|
fout[i+1] = ((ReadI & g_bitmask) >> GreenR) << GreenL;
|
|
fout[i+2] = ((ReadI & b_bitmask) >> BlueR) << BlueL;
|
|
if (image_desc.bpp == 4)
|
|
{
|
|
fout[i+3] = ((ReadI & a_bitmask) >> AlphaR) << AlphaL;
|
|
if (AlphaL >= 7) fout[i+3] = fout[i+3] ? 0xFF : 0x00;
|
|
else if (AlphaL >= 4) fout[i+3] = fout[i+3] | (fout[i+3] >> 4);
|
|
}
|
|
}
|
|
else if (image_desc.bpp == 2)
|
|
{
|
|
fout[i+1] = ((ReadI & a_bitmask) >> AlphaR) << AlphaL;
|
|
if (AlphaL >= 7) fout[i+1] = fout[i+1] ? 0xFF : 0x00;
|
|
else if (AlphaL >= 4) fout[i+1] = fout[i+1] | (fout[i+3] >> 4);
|
|
}
|
|
}
|
|
|
|
scaled_width = w;
|
|
scaled_height = h;
|
|
R_RoundImageDimensions(&scaled_width, &scaled_height );
|
|
|
|
// upload base image or miplevel
|
|
samples = (image_desc.flags & IMAGE_HAS_ALPHA) ? gl_tex_alpha_format : gl_tex_solid_format;
|
|
R_ResampleTexture ((uint *)fout, w, h, scaled, scaled_width, scaled_height);
|
|
pglTexImage2D ( target, level, samples, scaled_width, scaled_height, border, image_desc.glMask, image_desc.glType, (byte *)scaled );
|
|
|
|
if(pglGetError()) return false;
|
|
return true;
|
|
}
|
|
|
|
bool DecompressImageARGB( uint target, int level, int intformat, uint width, uint height, int border, uint imageSize, const void* data )
|
|
{
|
|
uint argbformat = 0;
|
|
uint datatype = 0;
|
|
uint pixformat = PFDesc[intformat].format;
|
|
|
|
switch( pixformat )
|
|
{
|
|
case PF_ARGB_32:
|
|
case PF_LUMINANCE:
|
|
case PF_LUMINANCE_16:
|
|
case PF_LUMINANCE_ALPHA:
|
|
argbformat = GL_RGB5_A1;
|
|
datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
|
|
break;
|
|
default: use_gl_extension = false; break;
|
|
}
|
|
|
|
if(use_gl_extension)
|
|
{
|
|
if( !level ) GL_GenerateMipmaps(); // generate mips if needed
|
|
pglTexImage2D( target, level, argbformat, width, height, border, image_desc.glMask, datatype, data );
|
|
if(!pglGetError()) return true;
|
|
// otherwise try loading with software unpacker
|
|
}
|
|
return qrsDecompressImageARGB(target, level, pixformat, width, height, border, imageSize, data );
|
|
}
|
|
|
|
bool R_LoadImageARGB( byte *data )
|
|
{
|
|
int i, size = 0;
|
|
int w = image_desc.width;
|
|
int h = image_desc.height;
|
|
int d = image_desc.numLayers;
|
|
|
|
for( i = 0; i < image_desc.MipCount; i++, data += size )
|
|
{
|
|
R_SetPixelFormat( w, h, d );
|
|
size = image_desc.SizeOfFile;
|
|
|
|
if(!DecompressImageARGB(GL_TEXTURE_2D, i, image_desc.format, w, h, 0, size, data ))
|
|
break; //there were errors
|
|
w = (w+1)>>1, h = (h+1)>>1, d = (d+1)>>1; // calc size of next mip
|
|
}
|
|
|
|
GL_TexFilter();
|
|
return true;
|
|
}
|
|
|
|
bool qrsDecompressImageFloat( uint target, int level, int internalformat, uint width, uint height, int border, uint imageSize, const void* data )
|
|
{
|
|
// not implemented
|
|
return false;
|
|
}
|
|
|
|
bool DecompressImageFloat( uint target, int level, int intformat, uint width, uint height, int border, uint imageSize, const void* data )
|
|
{
|
|
uint floatformat = 0;
|
|
uint datatype = 0;
|
|
uint pixformat = PFDesc[intformat].format;
|
|
|
|
switch( pixformat )
|
|
{
|
|
case PF_ABGR_128F:
|
|
floatformat = GL_FLOAT;
|
|
datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
|
|
break;
|
|
default: use_gl_extension = false; break;
|
|
}
|
|
|
|
if(use_gl_extension)
|
|
{
|
|
if( !level ) GL_GenerateMipmaps(); // generate mips if needed
|
|
pglTexImage2D( target, level, floatformat, width, height, border, image_desc.glMask, datatype, data );
|
|
if(!pglGetError()) return true;
|
|
// otherwise try loading with software unpacker
|
|
}
|
|
return qrsDecompressImageFloat( target, level, pixformat, width, height, border, imageSize, data );
|
|
}
|
|
|
|
bool R_LoadImageFloat( byte *data )
|
|
{
|
|
int i, size = 0;
|
|
int w = image_desc.width;
|
|
int h = image_desc.height;
|
|
int d = image_desc.numLayers;
|
|
|
|
for( i = 0; i < image_desc.MipCount; i++, data += size )
|
|
{
|
|
R_SetPixelFormat( w, h, d );
|
|
size = image_desc.SizeOfFile;
|
|
|
|
if(!DecompressImageFloat(GL_TEXTURE_2D, i, image_desc.format, w, h, 0, size, data ))
|
|
break; // there were errors
|
|
w = (w+1)>>1, h = (h+1)>>1, d = (d+1)>>1; // calc size of next mip
|
|
}
|
|
|
|
GL_TexFilter();
|
|
return true;
|
|
}
|
|
|
|
|
|
/*
|
|
===============
|
|
R_FindImage
|
|
|
|
Finds or loads the given image
|
|
===============
|
|
*/
|
|
image_t *R_FindImage (char *name, char *buffer, int size, imagetype_t type)
|
|
{
|
|
image_t *image;
|
|
rgbdata_t *pic = NULL;
|
|
int i;
|
|
|
|
if (!name ) return NULL;
|
|
|
|
// look for it
|
|
for (i = 0, image = gltextures; i < numgltextures; i++, image++)
|
|
{
|
|
if (!strcmp(name, image->name))
|
|
{
|
|
image->registration_sequence = registration_sequence;
|
|
return image;
|
|
}
|
|
}
|
|
|
|
pic = Image->LoadImage(name, buffer, size ); //loading form disk or buffer
|
|
image = R_LoadImage(name, pic, type ); //upload into video buffer
|
|
Image->FreeImage( pic ); //free image
|
|
|
|
return image;
|
|
}
|
|
|
|
bool R_UploadTexture( byte *buffer, int type )
|
|
{
|
|
bool iResult;
|
|
|
|
switch( type )
|
|
{
|
|
case PF_RGB_24:
|
|
case PF_ABGR_64:
|
|
case PF_RGBA_32:
|
|
case PF_RGBA_GN:
|
|
case PF_INDEXED_24:
|
|
case PF_INDEXED_32: iResult = R_LoadImageRGBA( buffer ); break;
|
|
case PF_LUMINANCE:
|
|
case PF_LUMINANCE_16:
|
|
case PF_LUMINANCE_ALPHA:
|
|
case PF_ARGB_32: iResult = R_LoadImageARGB( buffer ); break;
|
|
case PF_DXT1:
|
|
case PF_DXT3:
|
|
case PF_DXT5: iResult = R_LoadImageDXT( buffer ); break;
|
|
case PF_ABGR_128F: iResult = R_LoadImageFloat( buffer ); break;
|
|
case PF_UNKNOWN: iResult = false; break;
|
|
}
|
|
|
|
return iResult;
|
|
}
|
|
|
|
/*
|
|
================
|
|
R_LoadImage
|
|
|
|
This is also used as an entry point for the generated r_notexture
|
|
================
|
|
*/
|
|
image_t *R_LoadImage( char *name, rgbdata_t *pic, imagetype_t type )
|
|
{
|
|
image_t *image;
|
|
bool iResult = true;
|
|
int i, numsides = 1, width, height;
|
|
uint offset = 0;
|
|
int skyorder_q2[6] = { 2, 3, 1, 0, 4, 5, }; // Quake, Half-Life skybox ordering
|
|
int skyorder_ms[6] = { 4, 5, 1, 0, 2, 3 }; // Microsoft DDS ordering (reverse)
|
|
byte *buf;
|
|
|
|
// find a free image_t
|
|
for( i = 0, image = gltextures; i < numgltextures; i++, image++ )
|
|
{
|
|
if (!image->texnum[0]) break;
|
|
}
|
|
if( i == numgltextures )
|
|
{
|
|
if( numgltextures == MAX_GLTEXTURES )
|
|
{
|
|
MsgDev(D_ERROR, "R_LoadImage: gl_textures limit is out\n");
|
|
return NULL;
|
|
}
|
|
numgltextures++;
|
|
}
|
|
image = &gltextures[i];
|
|
|
|
if( com.strlen(name) >= sizeof(image->name)) MsgDev( D_WARN, "R_LoadImage: \"%s\" is too long", name);
|
|
|
|
// nothing to load
|
|
if( !pic || !pic->buffer )
|
|
{
|
|
// create notexture with another name
|
|
Mem_Copy( image, r_notexture, sizeof(image_t));
|
|
com.strncpy( image->name, name, sizeof(image->name));
|
|
image->registration_sequence = registration_sequence;
|
|
return image;
|
|
}
|
|
|
|
com.strncpy (image->name, name, sizeof(image->name));
|
|
image->registration_sequence = registration_sequence;
|
|
|
|
if(pic->flags & IMAGE_CUBEMAP)
|
|
{
|
|
numsides = 6;
|
|
if(pic->flags & IMAGE_CUBEMAP_FLIP)
|
|
Mem_Copy(image->texorder, skyorder_ms, sizeof(int) * 6 );
|
|
else Mem_Copy(image->texorder, skyorder_q2, sizeof(int) * 6 );
|
|
}
|
|
else memset(image->texorder, 0, sizeof(int) * 6 );
|
|
|
|
image->width = width = pic->width;
|
|
image->height = height = pic->height;
|
|
image->type = type;
|
|
image->paletted = pic->palette ? true : false;
|
|
buf = pic->buffer;
|
|
|
|
// fill image_desc
|
|
R_GetPixelFormat( pic, type );
|
|
|
|
for(i = 0; i < numsides; i++, buf += offset )
|
|
{
|
|
image->texnum[i] = TEXNUM_IMAGES + numgltextures++;
|
|
GL_Bind( image->texnum[i] );
|
|
|
|
R_SetPixelFormat( image_desc.width, image_desc.height, image_desc.numLayers );
|
|
offset = image_desc.SizeOfFile;// move pointer
|
|
|
|
MsgDev(D_LOAD, "%s [%s] \n", name, PFDesc[image_desc.format].name );
|
|
image_desc.stage = STAGE_NORMAL;
|
|
R_UploadTexture( buf, pic->type );
|
|
|
|
image->lumatex[i] = TEXNUM_LUMAS + (image - gltextures);
|
|
GL_Bind( image->lumatex[i] );
|
|
image_desc.stage = STAGE_LUMA;
|
|
R_UploadTexture( buf, pic->type );
|
|
}
|
|
// check for errors
|
|
if(!iResult)
|
|
{
|
|
MsgDev( D_ERROR, "R_LoadImage: can't loading %s with bpp %d\n", name, image_desc.bpp );
|
|
return r_notexture;
|
|
}
|
|
return image;
|
|
}
|
|
|
|
/*
|
|
================
|
|
R_ImageFreeUnused
|
|
|
|
Any image that was not touched on this registration sequence
|
|
will be freed.
|
|
================
|
|
*/
|
|
void R_ImageFreeUnused(void)
|
|
{
|
|
int i, k;
|
|
image_t *image;
|
|
|
|
// never free r_notexture or particle texture
|
|
r_notexture->registration_sequence = registration_sequence;
|
|
r_particletexture->registration_sequence = registration_sequence;
|
|
|
|
for (i = 0, image = gltextures; i < numgltextures; i++, image++)
|
|
{
|
|
// used this sequence
|
|
if (image->registration_sequence == registration_sequence) continue;
|
|
if (!image->registration_sequence) continue; // free image_t slot
|
|
if (image->type == it_pic) continue; // don't free pics
|
|
if (image->type == it_sky || image->type == it_cubemap)
|
|
for(k = 0; k < 6; k++) pglDeleteTextures (1, &image->texnum[k] );
|
|
else pglDeleteTextures (1, &image->texnum[0] );
|
|
memset(image, 0, sizeof(*image));
|
|
}
|
|
}
|