/*
================
VGUI_UploadTexture
Upload texture into video memory
================
*/
void VGUI_UploadTexture( int id, const char *buffer, int width, int height )
{
rgbdata_t r_image;
char texName[32];
if( id <= 0 || id >= VGUI_MAX_TEXTURES )
{
MsgDev( D_ERROR, "VGUI_UploadTexture: bad texture %i. Ignored\n", id );
return;
}
Q_snprintf( texName, sizeof( texName ), "*vgui%i", id );
Q_memset( &r_image, 0, sizeof( r_image ));
r_image.width = width;
r_image.height = height;
r_image.type = PF_RGBA_32;
r_image.size = r_image.width * r_image.height * 4;
r_image.flags = IMAGE_HAS_COLOR|IMAGE_HAS_ALPHA;
r_image.buffer = (byte *)buffer;
g_textures[id] = GL_LoadTextureInternal( texName, &r_image, TF_IMAGE, false );
GL_SetTextureType( g_textures[id], TEX_VGUI );
g_iBoundTexture = id;
}
/*
================
R_AllocateMirrorTexture
Allocate the screen texture and make copy
================
*/
int R_AllocateMirrorTexture( void )
{
rgbdata_t r_screen;
int i, texture;
char txName[16];
i = tr.num_mirrors_used;
if( i >= MAX_MIRRORS )
{
MsgDev( D_ERROR, "R_AllocateMirrorTexture: mirror textures limit exceeded!\n" );
return 0; // disable
}
texture = tr.mirrorTextures[i];
tr.num_mirrors_used++;
if( !texture )
{
// not initialized ?
Q_memset( &r_screen, 0, sizeof( r_screen ));
Q_snprintf( txName, sizeof( txName ), "*screen%i", i );
r_screen.width = RI.viewport[2];
r_screen.height = RI.viewport[3];
r_screen.type = PF_RGBA_32;
r_screen.size = r_screen.width * r_screen.height * 4;
r_screen.flags = IMAGE_HAS_COLOR;
r_screen.buffer = NULL; // create empty texture for now
tr.mirrorTextures[i] = GL_LoadTextureInternal( txName, &r_screen, TF_IMAGE, false );
GL_SetTextureType( tr.mirrorTextures[i], TEX_SCREENCOPY );
texture = tr.mirrorTextures[i];
}
GL_Bind( GL_TEXTURE0, texture );
pglCopyTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, RI.viewport[0], RI.viewport[1], RI.viewport[2], RI.viewport[3], 0 );
return texture;
}
/*
================
VGUI_CreateTexture
Create empty rgba texture and upload them into video memory
================
*/
void VGUI_CreateTexture( int id, int width, int height )
{
rgbdata_t r_image;
char texName[32];
if( id <= 0 || id >= VGUI_MAX_TEXTURES )
{
MsgDev( D_ERROR, "VGUI_CreateTexture: bad texture %i. Ignored\n", id );
return;
}
Q_snprintf( texName, sizeof( texName ), "*vgui%i", id );
r_image.width = width;
r_image.height = height;
r_image.type = PF_RGBA_32;
r_image.size = r_image.width * r_image.height * 4;
r_image.flags = IMAGE_HAS_ALPHA;
r_image.buffer = NULL;
g_textures[id] = GL_LoadTextureInternal( texName, &r_image, TF_IMAGE|TF_NEAREST, false );
GL_SetTextureType( g_textures[id], TEX_VGUI );
g_iBoundTexture = id;
}
/*
====================
CL_DuplicateTexture
Dupliacte texture with remap pixels
====================
*/
void CL_DuplicateTexture( mstudiotexture_t *ptexture, int topcolor, int bottomcolor )
{
gltexture_t *glt;
texture_t *tx = NULL;
char texname[128];
int i, index;
size_t size;
byte paletteBackup[768];
byte *raw, *pal;
// save off the real texture index
index = ptexture->index;
glt = R_GetTexture( index );
Q_snprintf( texname, sizeof( texname ), "#%i_%s", RI.currententity->curstate.number, glt->name + 1 );
// search for pixels
for( i = 0; i < RI.currentmodel->numtextures; i++ )
{
tx = RI.currentmodel->textures[i];
if( tx->gl_texturenum == index )
break; // found
}
ASSERT( tx != NULL );
// backup original palette
pal = (byte *)(tx + 1) + (tx->width * tx->height);
Q_memcpy( paletteBackup, pal, 768 );
raw = CL_CreateRawTextureFromPixels( tx, &size, topcolor, bottomcolor );
ptexture->index = GL_LoadTexture( texname, raw, size, TF_FORCE_COLOR, NULL ); // do copy
GL_SetTextureType( ptexture->index, TEX_REMAP );
// restore original palette
Q_memcpy( pal, paletteBackup, 768 );
}
void R_ParseDetailTextures( const char *filename )
{
char *afile, *pfile;
string token, texname, detail_texname;
float xScale, yScale;
texture_t *tex;
int i;
if( r_detailtextures->integer >= 2 && !FS_FileExists( filename, false ))
{
// use built-in generator for detail textures
R_CreateDetailTexturesList( filename );
}
afile = FS_LoadFile( filename, NULL, false );
if( !afile ) return;
pfile = afile;
// format: 'texturename' 'detailtexture' 'xScale' 'yScale'
while(( pfile = COM_ParseFile( pfile, token )) != NULL )
{
texname[0] = '\0';
// read texname
if( token[0] == '{' )
{
// NOTE: COM_ParseFile handled some symbols seperately
// this code will be fix it
pfile = COM_ParseFile( pfile, token );
Q_strncat( texname, "{", sizeof( texname ));
Q_strncat( texname, token, sizeof( texname ));
}
else Q_strncpy( texname, token, sizeof( texname ));
// read detailtexture name
pfile = COM_ParseFile( pfile, token );
Q_snprintf( detail_texname, sizeof( detail_texname ), "gfx/%s.tga", token );
// read scales
pfile = COM_ParseFile( pfile, token );
xScale = Q_atof( token );
pfile = COM_ParseFile( pfile, token );
yScale = Q_atof( token );
if( xScale <= 0.0f || yScale <= 0.0f )
continue;
// search for existing texture and uploading detail texture
for( i = 0; i < cl.worldmodel->numtextures; i++ )
{
tex = cl.worldmodel->textures[i];
if( Q_stricmp( tex->name, texname ))
continue;
tex->dt_texturenum = GL_LoadTexture( detail_texname, NULL, 0, TF_FORCE_COLOR );
// texture is loaded
if( tex->dt_texturenum )
{
gltexture_t *glt;
GL_SetTextureType( tex->dt_texturenum, TEX_DETAIL );
glt = R_GetTexture( tex->gl_texturenum );
glt->xscale = xScale;
glt->yscale = yScale;
}
break;
}
}
Mem_Free( afile );
}