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Improve Valve Texture File (.vtf) support, still disabled by default.
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5547 fc73d0e0-1445-4013-8a0c-d673dee63da5
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Spoike
parent
131a6be4bc
commit
2498024a77
1 changed files with 95 additions and 58 deletions
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@ -4953,73 +4953,106 @@ static struct pendingtextureinfo *Image_ReadVTFFile(unsigned int flags, const ch
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return NULL;
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version = (vtf->major<<16)|vtf->minor;
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if (version >= 0x00070003)
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return NULL; //we don't support the whole resources thing.
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if (version > 0x00070005)
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{
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Con_Printf("%s: VTF version %i.%i is not supported\n", fname, vtf->major, vtf->minor);
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return NULL;
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}
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lrfmt = (vtf->lowresfmt_misaligned[0]<<0)|(vtf->lowresfmt_misaligned[1]<<16)|(vtf->lowresfmt_misaligned[2]<<16)|(vtf->lowresfmt_misaligned[3]<<24);
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vmffmt = vtf->imgformat;
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if (vtf->lowreswidth && vtf->lowresheight)
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Image_BlockSizeForEncoding(ImageVTF_VtfToFTE(lrfmt), &bb, &bw, &bh);
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else
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bb=bw=bh=1;
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datasize = ((vtf->lowreswidth+bw-1)/bw) * ((vtf->lowresheight+bh-1)/bh) * bb;
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mips = Z_Malloc(sizeof(*mips));
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mips->type = (vtf->flags & 0x4000)?PTI_CUBEMAP:PTI_2D;
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mips->extrafree = filedata;
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filedata += vtf->headersize; //skip the header
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filedata += datasize; //and skip the low-res image too.
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mips->encoding = ImageVTF_VtfToFTE(vmffmt);
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Image_BlockSizeForEncoding(mips->encoding, &bb, &bw, &bh);
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miplevels = vtf->mipmapcount;
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frames = 1;//vtf->numframes;
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faces = ((mips->type==PTI_CUBEMAP)?6:1); //no cubemaps yet.
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mips->mipcount = miplevels * frames * faces;
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while (mips->mipcount > countof(mips->mip))
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mips = NULL;
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if (version >= 0x00070003)
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{
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if (miplevels > 1)
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miplevels--;
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else
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frames--;
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mips->mipcount = miplevels * frames * faces;
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}
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if (!mips->mipcount)
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{
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Z_Free(mips);
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return NULL;
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}
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for (miplevel = vtf->mipmapcount; miplevel-- > 0;)
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{ //smallest to largest, which is awkward.
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w = vtf->width>>miplevel;
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h = vtf->height>>miplevel;
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if (!w)
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w = 1;
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if (!h)
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h = 1;
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datasize = ((w+bw-1)/bw) * ((h+bh-1)/bh) * bb;
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for (frame = 0; frame < vtf->numframes; frame++)
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int i;
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struct
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{
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for (face = 0; face < faces; face++)
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unsigned int rtype;
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unsigned int rdata; //usually an offset.
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} *restable = (void*)(filedata+sizeof(*vtf));
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for (i = 0; i < vtf->numresources; i++, restable++)
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{
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if ((restable->rtype & 0x00ffffff) == 0x30)
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{
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if (miplevel < miplevels && face < faces)
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mips = Z_Malloc(sizeof(*mips));
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mips->extrafree = filedata;
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filedata += restable->rdata;
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break;
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}
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//other unknown resource types.
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}
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}
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if (!mips)
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{
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mips = Z_Malloc(sizeof(*mips));
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mips->extrafree = filedata;
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//skip the header
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filedata += vtf->headersize;
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//and skip the low-res image too.
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if (vtf->lowreswidth && vtf->lowresheight)
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Image_BlockSizeForEncoding(ImageVTF_VtfToFTE(lrfmt), &bb, &bw, &bh);
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else
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bb=bw=bh=1;
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datasize = ((vtf->lowreswidth+bw-1)/bw) * ((vtf->lowresheight+bh-1)/bh) * bb;
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filedata += datasize;
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}
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//now handle the high-res image
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if (mips)
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{
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mips->type = (vtf->flags & 0x4000)?PTI_CUBEMAP:PTI_2D;
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mips->encoding = ImageVTF_VtfToFTE(vmffmt);
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Image_BlockSizeForEncoding(mips->encoding, &bb, &bw, &bh);
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miplevels = vtf->mipmapcount;
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frames = 1;//vtf->numframes;
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faces = ((mips->type==PTI_CUBEMAP)?6:1); //no cubemaps yet.
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mips->mipcount = miplevels * frames * faces;
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while (mips->mipcount > countof(mips->mip))
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{
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if (miplevels > 1)
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miplevels--;
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else
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frames--;
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mips->mipcount = miplevels * frames * faces;
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}
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if (!mips->mipcount)
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{
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Z_Free(mips);
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return NULL;
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}
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for (miplevel = vtf->mipmapcount; miplevel-- > 0;)
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{ //smallest to largest, which is awkward.
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w = vtf->width>>miplevel;
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h = vtf->height>>miplevel;
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if (!w)
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w = 1;
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if (!h)
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h = 1;
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datasize = ((w+bw-1)/bw) * ((h+bh-1)/bh) * bb;
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for (frame = 0; frame < vtf->numframes; frame++)
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{
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for (face = 0; face < faces; face++)
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{
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img = face+miplevel*faces + frame*miplevels*faces;
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if (img >= countof(mips->mip))
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break; //erk?
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if (filedata + datasize > end)
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break; //no more data here...
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mips->mip[img].width = w;
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mips->mip[img].height = h;
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mips->mip[img].depth = 1;
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mips->mip[img].data = filedata;
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mips->mip[img].datasize = datasize;
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if (miplevel < miplevels && face < faces)
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{
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img = face+miplevel*faces + frame*miplevels*faces;
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if (img >= countof(mips->mip))
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break; //erk?
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if (filedata + datasize > end)
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break; //no more data here...
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mips->mip[img].width = w;
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mips->mip[img].height = h;
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mips->mip[img].depth = 1;
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mips->mip[img].data = filedata;
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mips->mip[img].datasize = datasize;
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}
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filedata += datasize;
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}
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filedata += datasize;
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}
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}
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}
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@ -10063,6 +10096,10 @@ static void Image_LoadHiResTextureWorker(void *ctx, void *data, size_t a, size_t
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#ifdef IMAGEFMT_DDS
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if (!mips)
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mips = Image_ReadDDSFile(tex->flags, altname, buf, fsize);
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#endif
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#ifdef IMAGEFMT_VTF
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if (!mips)
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mips = Image_ReadVTFFile(tex->flags, altname, buf, fsize);
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#endif
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if (!mips)
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BZ_Free(buf);
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