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gzdoom/src/gl/textures/gl_texture.cpp
Christoph Oelckers 22e9fc9b76 - re-fixed FTexture::CheckTrans 
The original broken code had it always reset the translucency info to 'not present'.
The first fix completely removed that line, although it was merely misplaced, but still necessary to avoid constant re-checking of the same texture.
2016-02-02 11:37:39 +01:00

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/*
** Global texture data
**
**---------------------------------------------------------------------------
** Copyright 2004-2009 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
** 4. When not used as part of GZDoom or a GZDoom derivative, this code will be
** covered by the terms of the GNU Lesser General Public License as published
** by the Free Software Foundation; either version 2.1 of the License, or (at
** your option) any later version.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include "gl/system/gl_system.h"
#include "c_cvars.h"
#include "w_wad.h"
#include "templates.h"
#include "colormatcher.h"
#include "r_data/r_translate.h"
#include "c_dispatch.h"
#ifdef _WIN32
#include "win32gliface.h"
#endif
#include "v_palette.h"
#include "sc_man.h"
#include "gl/system/gl_interface.h"
#include "gl/renderer/gl_renderer.h"
#include "gl/textures/gl_texture.h"
#include "gl/textures/gl_material.h"
#include "gl/textures/gl_samplers.h"
//==========================================================================
//
// Texture CVARs
//
//==========================================================================
CUSTOM_CVAR(Float,gl_texture_filter_anisotropic,8.0f,CVAR_ARCHIVE|CVAR_GLOBALCONFIG|CVAR_NOINITCALL)
{
if (GLRenderer != NULL && GLRenderer->mSamplerManager != NULL) GLRenderer->mSamplerManager->SetTextureFilterMode();
}
CCMD(gl_flush)
{
if (GLRenderer != NULL) GLRenderer->FlushTextures();
}
CUSTOM_CVAR(Int, gl_texture_filter, 4, CVAR_ARCHIVE|CVAR_GLOBALCONFIG|CVAR_NOINITCALL)
{
if (self < 0 || self > 5) self=4;
if (GLRenderer != NULL && GLRenderer->mSamplerManager != NULL) GLRenderer->mSamplerManager->SetTextureFilterMode();
}
CUSTOM_CVAR(Int, gl_texture_format, 0, CVAR_ARCHIVE|CVAR_GLOBALCONFIG|CVAR_NOINITCALL)
{
// [BB] The number of available texture modes depends on the GPU capabilities.
// RFL_TEXTURE_COMPRESSION gives us one additional mode and RFL_TEXTURE_COMPRESSION_S3TC
// another three.
int numOfAvailableTextureFormat = 4;
if ( gl.flags & RFL_TEXTURE_COMPRESSION && gl.flags & RFL_TEXTURE_COMPRESSION_S3TC )
numOfAvailableTextureFormat = 8;
else if ( gl.flags & RFL_TEXTURE_COMPRESSION )
numOfAvailableTextureFormat = 5;
if (self < 0 || self > numOfAvailableTextureFormat-1) self=0;
GLRenderer->FlushTextures();
}
CUSTOM_CVAR(Bool, gl_texture_usehires, true, CVAR_ARCHIVE|CVAR_NOINITCALL)
{
if (GLRenderer != NULL) GLRenderer->FlushTextures();
}
CVAR(Bool, gl_precache, false, CVAR_ARCHIVE)
CVAR(Bool, gl_trimsprites, true, CVAR_ARCHIVE);
TexFilter_s TexFilter[]={
{GL_NEAREST, GL_NEAREST, false},
{GL_NEAREST_MIPMAP_NEAREST, GL_NEAREST, true},
{GL_LINEAR, GL_LINEAR, false},
{GL_LINEAR_MIPMAP_NEAREST, GL_LINEAR, true},
{GL_LINEAR_MIPMAP_LINEAR, GL_LINEAR, true},
{GL_NEAREST_MIPMAP_LINEAR, GL_NEAREST, true},
};
int TexFormat[]={
GL_RGBA8,
GL_RGB5_A1,
GL_RGBA4,
GL_RGBA2,
// [BB] Added compressed texture formats.
GL_COMPRESSED_RGBA_ARB,
GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
GL_COMPRESSED_RGBA_S3TC_DXT3_EXT,
GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,
};
bool HasGlobalBrightmap;
FRemapTable GlobalBrightmap;
//===========================================================================
//
// Examines the colormap to see if some of the colors have to be
// considered fullbright all the time.
//
//===========================================================================
void gl_GenerateGlobalBrightmapFromColormap()
{
HasGlobalBrightmap = false;
int lump = Wads.CheckNumForName("COLORMAP");
if (lump == -1) lump = Wads.CheckNumForName("COLORMAP", ns_colormaps);
if (lump == -1) return;
FMemLump cmap = Wads.ReadLump(lump);
FMemLump palette = Wads.ReadLump("PLAYPAL");
const unsigned char *cmapdata = (const unsigned char *)cmap.GetMem();
const unsigned char *paldata = (const unsigned char *)palette.GetMem();
const int black = 0;
const int white = ColorMatcher.Pick(255,255,255);
GlobalBrightmap.MakeIdentity();
memset(GlobalBrightmap.Remap, white, 256);
for(int i=0;i<256;i++) GlobalBrightmap.Palette[i]=PalEntry(255,255,255,255);
for(int j=0;j<32;j++)
{
for(int i=0;i<256;i++)
{
// the palette comparison should be for ==0 but that gives false positives with Heretic
// and Hexen.
if (cmapdata[i+j*256]!=i || (paldata[3*i]<10 && paldata[3*i+1]<10 && paldata[3*i+2]<10))
{
GlobalBrightmap.Remap[i]=black;
GlobalBrightmap.Palette[i] = PalEntry(255, 0, 0, 0);
}
}
}
for(int i=0;i<256;i++)
{
HasGlobalBrightmap |= GlobalBrightmap.Remap[i] == white;
if (GlobalBrightmap.Remap[i] == white) DPrintf("Marked color %d as fullbright\n",i);
}
}
//===========================================================================
//
// averageColor
// input is RGBA8 pixel format.
// The resulting RGB color can be scaled uniformly so that the highest
// component becomes one.
//
//===========================================================================
PalEntry averageColor(const DWORD *data, int size, fixed_t maxout_factor)
{
int i;
unsigned int r, g, b;
// First clear them.
r = g = b = 0;
if (size==0)
{
return PalEntry(255,255,255);
}
for(i = 0; i < size; i++)
{
r += BPART(data[i]);
g += GPART(data[i]);
b += RPART(data[i]);
}
r = r/size;
g = g/size;
b = b/size;
int maxv=MAX(MAX(r,g),b);
if(maxv && maxout_factor)
{
maxout_factor = FixedMul(maxout_factor, 255);
r = Scale(r, maxout_factor, maxv);
g = Scale(g, maxout_factor, maxv);
b = Scale(b, maxout_factor, maxv);
}
return PalEntry(255,r,g,b);
}
//==========================================================================
//
// GL status data for a texture
//
//==========================================================================
FTexture::MiscGLInfo::MiscGLInfo() throw()
{
bGlowing = false;
GlowColor = 0;
GlowHeight = 128;
bSkybox = false;
FloorSkyColor = 0;
CeilingSkyColor = 0;
bFullbright = false;
bSkyColorDone = false;
bBrightmapChecked = false;
bDisableFullbright = false;
bNoFilter = false;
bNoCompress = false;
bNoExpand = false;
areas = NULL;
areacount = 0;
mIsTransparent = -1;
shaderspeed = 1.f;
shaderindex = 0;
precacheTime = 0;
Material[1] = Material[0] = NULL;
SystemTexture[1] = SystemTexture[0] = NULL;
Brightmap = NULL;
}
FTexture::MiscGLInfo::~MiscGLInfo()
{
for (int i = 0; i < 2; i++)
{
if (Material[i] != NULL) delete Material[i];
Material[i] = NULL;
if (SystemTexture[i] != NULL) delete SystemTexture[i];
SystemTexture[i] = NULL;
}
// this is just a reference to another texture in the texture manager.
Brightmap = NULL;
if (areas != NULL) delete [] areas;
areas = NULL;
}
//===========================================================================
//
// Checks if the texture has a default brightmap and creates it if so
//
//===========================================================================
void FTexture::CreateDefaultBrightmap()
{
if (!gl_info.bBrightmapChecked)
{
// Check for brightmaps
if (UseBasePalette() && HasGlobalBrightmap &&
UseType != TEX_Decal && UseType != TEX_MiscPatch && UseType != TEX_FontChar &&
gl_info.Brightmap == NULL && bWarped == 0
)
{
// May have one - let's check when we use this texture
const BYTE *texbuf = GetPixels();
const int white = ColorMatcher.Pick(255,255,255);
int size = GetWidth() * GetHeight();
for(int i=0;i<size;i++)
{
if (GlobalBrightmap.Remap[texbuf[i]] == white)
{
// Create a brightmap
DPrintf("brightmap created for texture '%s'\n", Name.GetChars());
gl_info.Brightmap = new FBrightmapTexture(this);
gl_info.bBrightmapChecked = 1;
TexMan.AddTexture(gl_info.Brightmap);
return;
}
}
// No bright pixels found
DPrintf("No bright pixels found in texture '%s'\n", Name.GetChars());
gl_info.bBrightmapChecked = 1;
}
else
{
// does not have one so set the flag to 'done'
gl_info.bBrightmapChecked = 1;
}
}
}
//==========================================================================
//
// Precaches a GL texture
//
//==========================================================================
void FTexture::PrecacheGL(int cache)
{
if (gl_precache)
{
if (cache & (FTextureManager::HIT_Wall | FTextureManager::HIT_Flat | FTextureManager::HIT_Sky))
{
FMaterial * gltex = FMaterial::ValidateTexture(this, false);
if (gltex) gltex->Precache();
}
if (cache & FTextureManager::HIT_Sprite)
{
FMaterial * gltex = FMaterial::ValidateTexture(this, true);
if (gltex) gltex->Precache();
}
gl_info.precacheTime = TexMan.precacheTime;
}
}
//==========================================================================
//
// Precaches a GL texture
//
//==========================================================================
void FTexture::UncacheGL()
{
if (gl_info.precacheTime != TexMan.precacheTime)
{
if (gl_info.Material[0]) gl_info.Material[0]->Clean(true);
if (gl_info.Material[1]) gl_info.Material[1]->Clean(true);
gl_info.precacheTime = 0;
}
}
//==========================================================================
//
// Calculates glow color for a texture
//
//==========================================================================
void FTexture::GetGlowColor(float *data)
{
if (gl_info.bGlowing && gl_info.GlowColor == 0)
{
int w, h;
unsigned char *buffer = GLRenderer->GetTextureBuffer(this, w, h);
if (buffer)
{
gl_info.GlowColor = averageColor((DWORD *) buffer, w*h, 6*FRACUNIT/10);
delete[] buffer;
}
// Black glow equals nothing so switch glowing off
if (gl_info.GlowColor == 0) gl_info.bGlowing = false;
}
data[0]=gl_info.GlowColor.r/255.0f;
data[1]=gl_info.GlowColor.g/255.0f;
data[2]=gl_info.GlowColor.b/255.0f;
}
//===========================================================================
//
// Gets the average color of a texture for use as a sky cap color
//
//===========================================================================
PalEntry FTexture::GetSkyCapColor(bool bottom)
{
PalEntry col;
int w;
int h;
if (!gl_info.bSkyColorDone)
{
gl_info.bSkyColorDone = true;
unsigned char *buffer = GLRenderer->GetTextureBuffer(this, w, h);
if (buffer)
{
gl_info.CeilingSkyColor = averageColor((DWORD *) buffer, w * MIN(30, h), 0);
if (h>30)
{
gl_info.FloorSkyColor = averageColor(((DWORD *) buffer)+(h-30)*w, w * 30, 0);
}
else gl_info.FloorSkyColor = gl_info.CeilingSkyColor;
delete[] buffer;
}
}
return bottom? gl_info.FloorSkyColor : gl_info.CeilingSkyColor;
}
//===========================================================================
//
// Finds gaps in the texture which can be skipped by the renderer
// This was mainly added to speed up one area in E4M6 of 007LTSD
//
//===========================================================================
bool FTexture::FindHoles(const unsigned char * buffer, int w, int h)
{
const unsigned char * li;
int y,x;
int startdraw,lendraw;
int gaps[5][2];
int gapc=0;
// already done!
if (gl_info.areacount) return false;
if (UseType == TEX_Flat) return false; // flats don't have transparent parts
gl_info.areacount=-1; //whatever happens next, it shouldn't be done twice!
// large textures are excluded for performance reasons
if (h>512) return false;
startdraw=-1;
lendraw=0;
for(y=0;y<h;y++)
{
li=buffer+w*y*4+3;
for(x=0;x<w;x++,li+=4)
{
if (*li!=0) break;
}
if (x!=w)
{
// non - transparent
if (startdraw==-1)
{
startdraw=y;
// merge transparent gaps of less than 16 pixels into the last drawing block
if (gapc && y<=gaps[gapc-1][0]+gaps[gapc-1][1]+16)
{
gapc--;
startdraw=gaps[gapc][0];
lendraw=y-startdraw;
}
if (gapc==4) return false; // too many splits - this isn't worth it
}
lendraw++;
}
else if (startdraw!=-1)
{
if (lendraw==1) lendraw=2;
gaps[gapc][0]=startdraw;
gaps[gapc][1]=lendraw;
gapc++;
startdraw=-1;
lendraw=0;
}
}
if (startdraw!=-1)
{
gaps[gapc][0]=startdraw;
gaps[gapc][1]=lendraw;
gapc++;
}
if (startdraw==0 && lendraw==h) return false; // nothing saved so don't create a split list
FloatRect * rcs = new FloatRect[gapc];
for(x=0;x<gapc;x++)
{
// gaps are stored as texture (u/v) coordinates
rcs[x].width=rcs[x].left=-1.0f;
rcs[x].top=(float)gaps[x][0]/(float)h;
rcs[x].height=(float)gaps[x][1]/(float)h;
}
gl_info.areas=rcs;
gl_info.areacount=gapc;
return true;
}
//----------------------------------------------------------------------------
//
//
//
//----------------------------------------------------------------------------
void FTexture::CheckTrans(unsigned char * buffer, int size, int trans)
{
if (gl_info.mIsTransparent == -1)
{
gl_info.mIsTransparent = trans;
if (trans == -1)
{
DWORD * dwbuf = (DWORD*)buffer;
for(int i=0;i<size;i++)
{
DWORD alpha = dwbuf[i]>>24;
if (alpha != 0xff && alpha != 0)
{
gl_info.mIsTransparent = 1;
return;
}
}
gl_info.mIsTransparent = 0;
}
}
}
//===========================================================================
//
// smooth the edges of transparent fields in the texture
//
//===========================================================================
#ifdef WORDS_BIGENDIAN
#define MSB 0
#define SOME_MASK 0xffffff00
#else
#define MSB 3
#define SOME_MASK 0x00ffffff
#endif
#define CHKPIX(ofs) (l1[(ofs)*4+MSB]==255 ? (( ((DWORD*)l1)[0] = ((DWORD*)l1)[ofs]&SOME_MASK), trans=true ) : false)
bool FTexture::SmoothEdges(unsigned char * buffer,int w, int h)
{
int x,y;
bool trans=buffer[MSB]==0; // If I set this to false here the code won't detect textures
// that only contain transparent pixels.
unsigned char * l1;
if (h<=1 || w<=1) return false; // makes (a) no sense and (b) doesn't work with this code!
l1=buffer;
if (l1[MSB]==0 && !CHKPIX(1)) CHKPIX(w);
l1+=4;
for(x=1;x<w-1;x++, l1+=4)
{
if (l1[MSB]==0 && !CHKPIX(-1) && !CHKPIX(1)) CHKPIX(w);
}
if (l1[MSB]==0 && !CHKPIX(-1)) CHKPIX(w);
l1+=4;
for(y=1;y<h-1;y++)
{
if (l1[MSB]==0 && !CHKPIX(-w) && !CHKPIX(1)) CHKPIX(w);
l1+=4;
for(x=1;x<w-1;x++, l1+=4)
{
if (l1[MSB]==0 && !CHKPIX(-w) && !CHKPIX(-1) && !CHKPIX(1) && !CHKPIX(-w-1) && !CHKPIX(-w+1) && !CHKPIX(w-1) && !CHKPIX(w+1)) CHKPIX(w);
}
if (l1[MSB]==0 && !CHKPIX(-w) && !CHKPIX(-1)) CHKPIX(w);
l1+=4;
}
if (l1[MSB]==0 && !CHKPIX(-w)) CHKPIX(1);
l1+=4;
for(x=1;x<w-1;x++, l1+=4)
{
if (l1[MSB]==0 && !CHKPIX(-w) && !CHKPIX(-1)) CHKPIX(1);
}
if (l1[MSB]==0 && !CHKPIX(-w)) CHKPIX(-1);
return trans;
}
//===========================================================================
//
// Post-process the texture data after the buffer has been created
//
//===========================================================================
bool FTexture::ProcessData(unsigned char * buffer, int w, int h, bool ispatch)
{
if (bMasked)
{
bMasked = SmoothEdges(buffer, w, h);
if (bMasked && !ispatch) FindHoles(buffer, w, h);
}
return true;
}
//===========================================================================
//
// fake brightness maps
// These are generated for textures affected by a colormap with
// fullbright entries.
// These textures are only used internally by the GL renderer so
// all code for software rendering support is missing
//
//===========================================================================
FBrightmapTexture::FBrightmapTexture (FTexture *source)
{
Name = "";
SourcePic = source;
CopySize(source);
bNoDecals = source->bNoDecals;
Rotations = source->Rotations;
UseType = source->UseType;
bMasked = false;
id.SetInvalid();
SourceLump = -1;
}
FBrightmapTexture::~FBrightmapTexture ()
{
}
const BYTE *FBrightmapTexture::GetColumn (unsigned int column, const Span **spans_out)
{
// not needed
return NULL;
}
const BYTE *FBrightmapTexture::GetPixels ()
{
// not needed
return NULL;
}
void FBrightmapTexture::Unload ()
{
}
int FBrightmapTexture::CopyTrueColorPixels(FBitmap *bmp, int x, int y, int rotate, FCopyInfo *inf)
{
SourcePic->CopyTrueColorTranslated(bmp, x, y, rotate, &GlobalBrightmap);
return 0;
}
//==========================================================================
//
// Parses a brightmap definition
//
//==========================================================================
void gl_ParseBrightmap(FScanner &sc, int deflump)
{
int type = FTexture::TEX_Any;
bool disable_fullbright=false;
bool thiswad = false;
bool iwad = false;
FTexture *bmtex = NULL;
sc.MustGetString();
if (sc.Compare("texture")) type = FTexture::TEX_Wall;
else if (sc.Compare("flat")) type = FTexture::TEX_Flat;
else if (sc.Compare("sprite")) type = FTexture::TEX_Sprite;
else sc.UnGet();
sc.MustGetString();
FTextureID no = TexMan.CheckForTexture(sc.String, type);
FTexture *tex = TexMan[no];
sc.MustGetToken('{');
while (!sc.CheckToken('}'))
{
sc.MustGetString();
if (sc.Compare("disablefullbright"))
{
// This can also be used without a brightness map to disable
// fullbright in rotations that only use brightness maps on
// other angles.
disable_fullbright = true;
}
else if (sc.Compare("thiswad"))
{
// only affects textures defined in the WAD containing the definition file.
thiswad = true;
}
else if (sc.Compare ("iwad"))
{
// only affects textures defined in the IWAD.
iwad = true;
}
else if (sc.Compare ("map"))
{
sc.MustGetString();
if (bmtex != NULL)
{
Printf("Multiple brightmap definitions in texture %s\n", tex? tex->Name.GetChars() : "(null)");
}
bmtex = TexMan.FindTexture(sc.String, FTexture::TEX_Any, FTextureManager::TEXMAN_TryAny);
if (bmtex == NULL)
Printf("Brightmap '%s' not found in texture '%s'\n", sc.String, tex? tex->Name.GetChars() : "(null)");
}
}
if (!tex)
{
return;
}
if (thiswad || iwad)
{
bool useme = false;
int lumpnum = tex->GetSourceLump();
if (lumpnum != -1)
{
if (iwad && Wads.GetLumpFile(lumpnum) <= FWadCollection::IWAD_FILENUM) useme = true;
if (thiswad && Wads.GetLumpFile(lumpnum) == deflump) useme = true;
}
if (!useme) return;
}
if (bmtex != NULL)
{
if (tex->bWarped != 0)
{
Printf("Cannot combine warping with brightmap on texture '%s'\n", tex->Name.GetChars());
return;
}
bmtex->bMasked = false;
tex->gl_info.Brightmap = bmtex;
}
tex->gl_info.bDisableFullbright = disable_fullbright;
}
//==========================================================================
//
// Parses a GLBoom+ detail texture definition
//
// Syntax is this:
// detail
// {
// (walls | flats) [default_detail_name [width [height [offset_x [offset_y]]]]]
// {
// texture_name [detail_name [width [height [offset_x [offset_y]]]]]
// }
// }
// This merely parses the block and returns no error if valid. The feature
// is not actually implemented, so nothing else happens.
//==========================================================================
void gl_ParseDetailTexture(FScanner &sc)
{
while (!sc.CheckToken('}'))
{
sc.MustGetString();
if (sc.Compare("walls") || sc.Compare("flats"))
{
if (!sc.CheckToken('{'))
{
sc.MustGetString(); // Default detail texture
if (sc.CheckFloat()) // Width
if (sc.CheckFloat()) // Height
if (sc.CheckFloat()) // OffsX
if (sc.CheckFloat()) // OffsY
{
// Nothing
}
}
else sc.UnGet();
sc.MustGetToken('{');
while (!sc.CheckToken('}'))
{
sc.MustGetString(); // Texture
if (sc.GetString()) // Detail texture
{
if (sc.CheckFloat()) // Width
if (sc.CheckFloat()) // Height
if (sc.CheckFloat()) // OffsX
if (sc.CheckFloat()) // OffsY
{
// Nothing
}
}
else sc.UnGet();
}
}
}
}
//==========================================================================
//
// Prints some texture info
//
//==========================================================================
CCMD(textureinfo)
{
int cntt = 0;
for (int i = 0; i < TexMan.NumTextures(); i++)
{
FTexture *tex = TexMan.ByIndex(i);
if (tex->gl_info.SystemTexture[0] || tex->gl_info.SystemTexture[1] || tex->gl_info.Material[0] || tex->gl_info.Material[1])
{
int lump = tex->GetSourceLump();
Printf(PRINT_LOG, "Texture '%s' (Index %d, Lump %d, Name '%s'):\n", tex->Name.GetChars(), i, lump, Wads.GetLumpFullName(lump));
if (tex->gl_info.Material[0])
{
Printf(PRINT_LOG, "in use (normal)\n");
}
else if (tex->gl_info.SystemTexture[0])
{
Printf(PRINT_LOG, "referenced (normal)\n");
}
if (tex->gl_info.Material[1])
{
Printf(PRINT_LOG, "in use (expanded)\n");
}
else if (tex->gl_info.SystemTexture[1])
{
Printf(PRINT_LOG, "referenced (normal)\n");
}
cntt++;
}
}
Printf(PRINT_LOG, "%d system textures\n", cntt);
}
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