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gl_draw.c
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gl_draw.c
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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// gl_draw.c -- this is the only file outside the refresh that touches the vid buffer
#include "quakedef.h"
extern int ColorIndex[16];
extern unsigned ColorPercent[16];
#define MAX_DISC 18
cvar_t scr_conalpha = {"scr_conalpha", "1", true};
cvar_t gl_nobind = {"gl_nobind", "0"};
cvar_t gl_max_size = {"gl_max_size", "2048"};
cvar_t gl_round_down = {"gl_round_down", "0"};
cvar_t gl_picmip = {"gl_picmip", "0"};
cvar_t gl_swapinterval = {"gl_swapinterval", "0", true};
cvar_t gl_warp_image_size = {"gl_warp_image_size", "256", true}; // was 512, for water warp
byte *draw_chars; // 8*8 graphic characters
byte *draw_smallchars; // Small characters for status bar
byte *draw_menufont; // Big Menu Font
qpic_t *draw_disc[MAX_DISC] = { NULL }; // make the first one null for sure
qpic_t *draw_backtile;
gltexture_t *notexture;
gltexture_t *nulltexture;
gltexture_t *translate_texture[MAX_PLAYER_CLASS];
gltexture_t *char_texture;
gltexture_t *char_smalltexture;
gltexture_t *char_menufonttexture;
int indexed_bytes = 1;
int rgba_bytes = 4;
int bgra_bytes = 4;
int gl_lightmap_format = 4;
int gl_solid_format = GL_RGB; // was 3
int gl_alpha_format = GL_RGBA; // was 4
#define MAXGLMODES 6
typedef struct
{
int magfilter;
int minfilter;
char *name;
} glmode_t;
glmode_t modes[MAXGLMODES] = {
{GL_NEAREST, GL_NEAREST, "GL_NEAREST"},
{GL_NEAREST, GL_NEAREST_MIPMAP_NEAREST, "GL_NEAREST_MIPMAP_NEAREST"},
{GL_NEAREST, GL_NEAREST_MIPMAP_LINEAR, "GL_NEAREST_MIPMAP_LINEAR"},
{GL_LINEAR, GL_LINEAR, "GL_LINEAR"},
{GL_LINEAR, GL_LINEAR_MIPMAP_NEAREST, "GL_LINEAR_MIPMAP_NEAREST"},
{GL_LINEAR, GL_LINEAR_MIPMAP_LINEAR, "GL_LINEAR_MIPMAP_LINEAR"},
};
int gl_texturemode = 3; // linear
int gl_filter_min = GL_LINEAR; // was GL_NEAREST
int gl_filter_mag = GL_LINEAR;
float gl_hardware_max_anisotropy = 1; // just in case
float gl_texture_anisotropy = 1;
int gl_hardware_max_size = 1024; // just in case
int gl_texture_max_size = 1024;
int gl_warpimage_size = 256; // fitzquake has 512, for water warp
#define MAX_GLTEXTURES 4096 // orig was 2048
gltexture_t *active_gltextures, *free_gltextures;
int numgltextures;
GLuint currenttexture = (GLuint)-1; // to avoid unnecessary texture sets
GLenum TEXTURE0, TEXTURE1;
qboolean mtexenabled = false;
unsigned int d_8to24table[256]; // for GL renderer
unsigned int d_8to24table_fbright[256];
unsigned int d_8to24table_nobright[256];
unsigned int d_8to24table_conchars[256];
unsigned int d_8to24TranslucentTable[256];
const char *gl_vendor;
const char *gl_renderer;
const char *gl_version;
const char *gl_extensions;
qboolean fullsbardraw = false;
qboolean isIntel = false; // intel video workaround
qboolean gl_mtexable = false;
qboolean gl_texture_env_combine = false;
qboolean gl_texture_env_add = false;
qboolean gl_swap_control = false;
int texture_mode = GL_LINEAR;
//int texture_extension_number = 1;
/*
================================================
OpenGL Stuff
================================================
*/
/*
================
GL_CheckSize
return smallest power of two greater than or equal to size
================
*/
int GL_CheckSize (int size)
{
int checksize;
for (checksize = 1; checksize < size; checksize <<= 1)
;
return checksize;
}
/*
===============
GL_UploadWarpImage
called during init,
choose correct warpimage size and reload existing warpimage textures if needed
===============
*/
void GL_UploadWarpImage (void)
{
int oldsize;
int mark;
gltexture_t *glt;
byte *dummy;
//
// find the new correct size
//
oldsize = gl_warpimage_size;
if ((int)gl_warp_image_size.value < 32)
Cvar_SetValue ("gl_warp_image_size", 32);
//
// make sure warpimage size is a power of two
//
gl_warpimage_size = GL_CheckSize((int)gl_warp_image_size.value);
while (gl_warpimage_size > vid.width)
gl_warpimage_size >>= 1;
while (gl_warpimage_size > vid.height)
gl_warpimage_size >>= 1;
if (gl_warpimage_size != gl_warp_image_size.value)
Cvar_SetValue ("gl_warp_image_size", gl_warpimage_size);
if (gl_warpimage_size == oldsize)
return;
//
// resize the textures in opengl
//
// dummy = malloc (gl_warpimage_size*gl_warpimage_size*4);
mark = Hunk_LowMark();
dummy = Hunk_Alloc (gl_warpimage_size*gl_warpimage_size*4);
for (glt=active_gltextures; glt; glt=glt->next)
{
if (glt->flags & TEXPREF_WARPIMAGE)
{
GL_Bind (glt);
glTexImage2D (GL_TEXTURE_2D, 0, gl_solid_format, gl_warpimage_size, gl_warpimage_size, 0, GL_RGBA, GL_UNSIGNED_BYTE, dummy);
glt->width = glt->height = gl_warpimage_size;
}
}
// free (dummy);
Hunk_FreeToLowMark (mark);
}
/*
===============
GL_CheckExtensions
===============
*/
void GL_CheckExtensions (void)
{
qboolean ARB = false;
qboolean EXTcombine, ARBcombine;
qboolean EXTadd, ARBadd;
qboolean SWAPcontrol;
qboolean anisotropy;
int units;
//
// poll max size from hardware
//
glGetIntegerv (GL_MAX_TEXTURE_SIZE, &gl_hardware_max_size);
Con_Printf ("Maximum texture size %i\n", gl_hardware_max_size);
// by default we sets maxsize as hardware maxsize
gl_texture_max_size = gl_hardware_max_size;
//
// Multitexture
//
ARB = strstr (gl_extensions, "GL_ARB_multitexture") != NULL;
if (COM_CheckParm("-nomtex"))
{
Con_Warning ("Multitexture disabled at command line\n");
}
else if (ARB)
{
// Check how many texture units there actually are
glGetIntegerv (GL_MAX_TEXTURE_UNITS_ARB, &units);
qglMultiTexCoord2f = (void *) qglGetProcAddress ("glMultiTexCoord2fARB");
qglActiveTexture = (void *) qglGetProcAddress ("glActiveTextureARB");
if (units < 2)
{
Con_Warning ("Only %i TMU available, multitexture not supported\n", units);
}
else if (!qglMultiTexCoord2f || !qglActiveTexture)
{
Con_Warning ("Multitexture not supported (qglGetProcAddress failed)\n");
}
else
{
TEXTURE0 = GL_TEXTURE0_ARB;
TEXTURE1 = GL_TEXTURE1_ARB;
Con_Printf ("GL_ARB_multitexture extension found\n");
Con_Printf (" %i TMUs on hardware\n", units);
gl_mtexable = true;
}
}
else
{
Con_Warning ("Multitexture not supported (extension not found)\n");
}
//
// Texture combine environment mode
//
ARBcombine = strstr (gl_extensions, "GL_ARB_texture_env_combine") != NULL;
EXTcombine = strstr (gl_extensions, "GL_EXT_texture_env_combine") != NULL;
if (COM_CheckParm("-nocombine"))
{
Con_Warning ("Texture combine environment disabled at command line\n");
}
else if (ARBcombine || EXTcombine)
{
Con_Printf ("GL_%s_texture_env_combine extension found\n", ARBcombine ? "ARB" : "EXT");
gl_texture_env_combine = true;
}
else
{
Con_Warning ("Texture combine environment not supported (extension not found)\n");
}
//
// Texture add environment mode
//
ARBadd = strstr (gl_extensions, "GL_ARB_texture_env_add") != NULL;
EXTadd = strstr (gl_extensions, "GL_EXT_texture_env_add") != NULL;
if (COM_CheckParm("-noadd"))
{
Con_Warning ("Texture add environment disabled at command line\n");
}
else if (ARBadd || EXTadd)
{
Con_Printf ("GL_%s_texture_env_add extension found\n", ARBadd ? "ARB" : "EXT");
gl_texture_env_add = true;
}
else
{
Con_Warning ("Texture add environment not supported (extension not found)\n");
}
//
// Swap control
//
#ifdef _WIN32
SWAPcontrol = strstr (gl_extensions, SWAPCONTROLSTRING) != NULL;
#else
SWAPcontrol = strstr (glx_extensions, SWAPCONTROLSTRING) != NULL;
#endif
if (COM_CheckParm("-novsync"))
{
Con_Warning ("Vertical sync disabled at command line\n");
}
else if (SWAPcontrol)
{
qglSwapInterval = (void *) qglGetProcAddress (SWAPINTERVALFUNC);
if (qglSwapInterval)
{
if (!qglSwapInterval(0))
Con_Warning ("Vertical sync not supported (%s failed)\n", SWAPINTERVALFUNC);
else
{
Con_Printf ("%s extension found\n", SWAPCONTROLSTRING);
gl_swap_control = true;
}
}
else
Con_Warning ("Vertical sync not supported (qglGetProcAddress failed)\n");
}
else
Con_Warning ("Vertical sync not supported (extension not found)\n");
//
// Anisotropic filtering
//
anisotropy = strstr (gl_extensions, "GL_EXT_texture_filter_anisotropic") != NULL;
if (COM_CheckParm("-noanisotropy"))
{
Con_Warning ("Anisotropic filtering disabled at command line\n");
}
else if (anisotropy)
{
float test1, test2;
GLuint tex;
// test to make sure we really have control over it
// 1.0 and 2.0 should always be legal values
glGenTextures (1, &tex);
glBindTexture (GL_TEXTURE_2D, tex);
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.0f);
glGetTexParameterfv (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, &test1);
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 2.0f);
glGetTexParameterfv (GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, &test2);
glDeleteTextures (1, &tex);
if (test1 == 1 && test2 == 2)
Con_Printf ("GL_EXT_texture_filter_anisotropic extension found\n");
else
Con_Warning ("Anisotropic filtering locked by driver. Current driver setting is %f\n", test1);
// get max value either way, so the menu and stuff know it
glGetFloatv (GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_hardware_max_anisotropy);
}
else
{
Con_Warning ("Anisotropic filtering not supported (extension not found)\n");
}
}
/*
===============
GL_MakeExtensionsList
===============
*/
char *GL_MakeExtensionsList (const char *in)
{
char *copy, *token, *out;
int i, count;
// each space will be replaced by 4 chars, so count the spaces before we malloc
for (i = 0, count = 1; i < (int)strlen(in); i++)
if (in[i] == ' ')
count++;
out = Z_Malloc (strlen(in) + count*3 + 1); // usually about 1-2k
out[0] = 0;
copy = Z_Malloc(strlen(in) + 1);
strcpy(copy, in);
for (token = strtok(copy, " "); token; token = strtok(NULL, " "))
{
strcat(out, "\n ");
strcat(out, token);
}
Z_Free (copy);
return out;
}
/*
===============
GL_Info_f
===============
*/
void GL_Info_f (void)
{
static char *gl_extensions_nice = NULL;
#ifndef _WIN32
static char *glx_extensions_nice = NULL;
#endif
if (!gl_extensions_nice)
gl_extensions_nice = GL_MakeExtensionsList (gl_extensions);
#ifndef _WIN32
if (!glx_extensions_nice)
glx_extensions_nice = GL_MakeExtensionsList (glx_extensions);
#endif
Con_SafePrintf ("GL_VENDOR: %s\n", gl_vendor);
Con_SafePrintf ("GL_RENDERER: %s\n", gl_renderer);
Con_SafePrintf ("GL_VERSION: %s\n", gl_version);
Con_SafePrintf ("GL_EXTENSIONS: %s\n", gl_extensions_nice);
#ifndef _WIN32
Con_SafePrintf ("GLX_EXTENSIONS: %s\n", glx_extensions_nice);
#endif
}
/*
===============
GL_SwapInterval
===============
*/
void GL_SwapInterval (void)
{
if (gl_swap_control)
{
if (gl_swapinterval.value)
{
if (!qglSwapInterval(1))
Con_Printf ("GL_SwapInterval: failed on %s\n", SWAPINTERVALFUNC);
}
else
{
if (!qglSwapInterval(0))
Con_Printf ("GL_SwapInterval: failed on %s\n", SWAPINTERVALFUNC);
}
}
}
/*
===============
GL_SetupState
does all the stuff from GL_Init that needs to be done every time a new GL render context is created
GL_Init will still do the stuff that only needs to be done once
===============
*/
void GL_SetupState (void)
{
glClearColor (0.15,0.15,0.15,0); // originally was 1,0,0,0
glCullFace (GL_BACK); // glquake used CCW with backwards culling -- let's do it right
glFrontFace (GL_CW); // glquake used CCW with backwards culling -- let's do it right
glEnable (GL_TEXTURE_2D);
glEnable (GL_ALPHA_TEST);
glAlphaFunc (GL_GREATER, 0.666);
glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
glShadeModel (GL_FLAT);
glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); // was GL_NEAREST
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); // was GL_NEAREST
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glDepthRange (0, 1); // moved here because gl_ztrick is gone.
glDepthFunc (GL_LEQUAL); // moved here because gl_ztrick is gone.
}
/*
===============
GL_Init
===============
*/
void GL_Init (void)
{
// gl_info
gl_vendor = (const char *)glGetString (GL_VENDOR);
// Con_SafePrintf ("GL_VENDOR: %s\n", gl_vendor);
gl_renderer = (const char *)glGetString (GL_RENDERER);
// Con_SafePrintf ("GL_RENDERER: %s\n", gl_renderer);
gl_version = (const char *)glGetString (GL_VERSION);
// Con_SafePrintf ("GL_VERSION: %s\n", gl_version);
gl_extensions = (const char *)glGetString (GL_EXTENSIONS);
// Con_SafePrintf ("GL_EXTENSIONS: %s\n", gl_extensions);
#ifndef _WIN32
// Con_SafePrintf ("GLX_EXTENSIONS: %s\n", glx_extensions);
#endif
Cmd_AddCommand ("gl_info", GL_Info_f);
Cmd_AddCommand ("gl_reloadtextures", GL_ReloadTextures_f);
Cvar_RegisterVariable (&gl_swapinterval, GL_SwapInterval);
Con_Printf ("OpenGL initialized\n");
GL_CheckExtensions ();
if (!strcmp(gl_vendor, "Intel")) // intel video workaround
{
Con_Printf ("Intel Display Adapter detected\n");
isIntel = true;
}
GL_SetupState ();
}
/*
================
GL_Bind
================
*/
void GL_Bind (gltexture_t *texture)
{
if (!texture)
texture = nulltexture;
if (texture->texnum != currenttexture)
{
currenttexture = texture->texnum;
glBindTexture (GL_TEXTURE_2D, currenttexture);
}
}
/*
================
GL_SelectTexture
================
*/
void GL_SelectTexture (GLenum target)
{
static GLenum currenttarget;
static int ct0, ct1;
if (target == currenttarget)
return;
qglActiveTexture (target);
if (target == TEXTURE0)
{
ct1 = currenttexture;
currenttexture = ct0;
}
else //target == TEXTURE1
{
ct0 = currenttexture;
currenttexture = ct1;
}
currenttarget = target;
}
/*
================
GL_DisableMultitexture -- selects texture unit 0
================
*/
void GL_DisableMultitexture (void)
{
if (mtexenabled)
{
glDisable (GL_TEXTURE_2D);
GL_SelectTexture (TEXTURE0);
mtexenabled = false;
}
}
/*
================
GL_EnableMultitexture -- selects texture unit 1
================
*/
void GL_EnableMultitexture (void)
{
if (gl_mtexable)
{
GL_SelectTexture (TEXTURE1);
glEnable (GL_TEXTURE_2D);
mtexenabled = true;
}
}
/*
=============================================================================
scrap allocation
Allocate all the little status bar objects into a single texture
to crutch up stupid hardware / drivers
=============================================================================
*/
#define MAX_SCRAPS 1
#define BLOCK_WIDTH 256
#define BLOCK_HEIGHT 256
int scrap_allocated[MAX_SCRAPS][BLOCK_WIDTH];
byte scrap_texels[MAX_SCRAPS][BLOCK_WIDTH*BLOCK_HEIGHT];
qboolean scrap_dirty;
gltexture_t *scrap_textures[MAX_SCRAPS]; // changed to array
// returns a texture number and the position inside it
int Scrap_AllocBlock (int w, int h, int *x, int *y)
{
int i, j;
int best, best2;
int texnum;
for (texnum=0 ; texnum<MAX_SCRAPS ; texnum++)
{
best = BLOCK_HEIGHT;
for (i=0 ; i<BLOCK_WIDTH-w ; i++)
{
best2 = 0;
for (j=0 ; j<w ; j++)
{
if (scrap_allocated[texnum][i+j] >= best)
break;
if (scrap_allocated[texnum][i+j] > best2)
best2 = scrap_allocated[texnum][i+j];
}
if (j == w)
{ // this is a valid spot
*x = i;
*y = best = best2;
}
}
if (best + h > BLOCK_HEIGHT)
continue;
for (i=0 ; i<w ; i++)
scrap_allocated[texnum][*x + i] = best + h;
return texnum;
}
return -1;
}
void Scrap_Upload (void)
{
int i;
char name[64];
// GL_Bind(scrap_textures);
// sprintf (name, "scrap");
// GL_Upload8 (name, scrap_texels[0], BLOCK_WIDTH, BLOCK_HEIGHT, false, true, 0);
for (i = 0; i < MAX_SCRAPS; i++)
{
sprintf (name, "scrap%i", i);
scrap_textures[i] = GL_LoadTexture (NULL, name, BLOCK_WIDTH, BLOCK_HEIGHT, SRC_INDEXED, scrap_texels[i], "", (unsigned)scrap_texels[i], TEXPREF_ALPHA | TEXPREF_OVERWRITE | TEXPREF_NOPICMIP);
}
scrap_dirty = false;
}
//=============================================================================
/* Support Routines */
typedef struct cachepic_s
{
char name[MAX_QPATH];
qpic_t pic;
byte padding[32]; // for appended glpic
} cachepic_t;
#define MAX_CACHED_PICS 256
cachepic_t menu_cachepics[MAX_CACHED_PICS];
int menu_numcachepics;
/*
* Geometry for the player/skin selection screen image.
*/
#define PLAYER_PIC_WIDTH 68
#define PLAYER_PIC_HEIGHT 114
#define PLAYER_DEST_WIDTH 128
#define PLAYER_DEST_HEIGHT 128
byte menuplyr_pixels[MAX_PLAYER_CLASS][PLAYER_PIC_WIDTH*PLAYER_PIC_HEIGHT];
qpic_t *Draw_PicFromWad (char *name)
{
qpic_t *p;
glpic_t *gl;
unsigned offset; //johnfitz
char texturename[64]; //johnfitz
p = W_GetLumpName (name);
// Sanity ...
if (p->width & 0xC0000000 || p->height & 0xC0000000)
Sys_Error ("Draw_PicFromWad: invalid dimensions (%dx%d) for '%s'", p->width, p->height, name);
gl = (glpic_t *)p->data;
// load little ones into the scrap
if (p->width < 64 && p->height < 64)
{
int x, y;
int i, j, k;
int texnum;
texnum = Scrap_AllocBlock (p->width, p->height, &x, &y);
if (texnum == -1)
goto nonscrap;
scrap_dirty = true;
k = 0;
for (i=0 ; i<p->height ; i++)
for (j=0 ; j<p->width ; j++, k++)
scrap_texels[texnum][(y+i)*BLOCK_WIDTH + x + j] = p->data[k];
// texnum += scrap_textures;
// gl->gltexture = texnum;
gl->gltexture = scrap_textures[texnum]; // changed to an array
// no longer go from 0.01 to 0.99
gl->sl = x/(float)BLOCK_WIDTH;
gl->sh = (x+p->width)/(float)BLOCK_WIDTH;
gl->tl = y/(float)BLOCK_WIDTH;
gl->th = (y+p->height)/(float)BLOCK_WIDTH;
}
else
{
nonscrap:
// gl->gltexture = GL_LoadTexture (name, p->width, p->height, p->data, false, true, 0);
sprintf (texturename, "%s:%s", WADFILE, name); //johnfitz
offset = (unsigned)p - (unsigned)wad_base + sizeof(int)*2; //johnfitz
gl->gltexture = GL_LoadTexture (NULL, texturename, p->width, p->height, SRC_INDEXED, p->data, WADFILE, offset, TEXPREF_ALPHA | TEXPREF_PAD | TEXPREF_NOPICMIP);
gl->sl = 0;
gl->sh = 1;
gl->tl = 0;
gl->th = 1;
}
return p;
}
qpic_t *Draw_PicFromFile (char *name)
{
qpic_t *p;
glpic_t *gl;
p = (qpic_t *)COM_LoadHunkFile (name, NULL);
if (!p)
{
return NULL;
}
gl = (glpic_t *)p->data;
{
// gl->gltexture = GL_LoadTexture (name, p->width, p->height, p->data, false, true, 0);
gl->gltexture = GL_LoadTexture (NULL, name, p->width, p->height, SRC_INDEXED, p->data, name, sizeof(int)*2, TEXPREF_ALPHA | TEXPREF_PAD | TEXPREF_NOPICMIP);
gl->sl = 0;
gl->sh = 1;
gl->tl = 0;
gl->th = 1;
}
return p;
}
/*
================
Draw_CachePic
================
*/
qpic_t *Draw_CachePic (char *path)
{
cachepic_t *pic;
int i;
qpic_t *dat;
glpic_t *gl;
for (pic=menu_cachepics, i=0 ; i<menu_numcachepics ; pic++, i++)
if (!strcmp (path, pic->name))
return &pic->pic;
if (menu_numcachepics == MAX_CACHED_PICS)
Sys_Error ("menu_numcachepics == MAX_CACHED_PICS (%d)", MAX_CACHED_PICS);
menu_numcachepics++;
strcpy (pic->name, path);
//
// load the pic from disk
//
dat = (qpic_t *)COM_LoadTempFile (path, NULL);
if (!dat)
Sys_Error ("Draw_CachePic: failed to load %s", path);
SwapPic (dat);
// HACK HACK HACK --- we need to keep the bytes for
// the translatable player picture just for the menu
// configuration dialog
/* garymct */
if (!strcmp (path, "gfx/menu/netp1.lmp"))
memcpy (menuplyr_pixels[0], dat->data, dat->width*dat->height);
else if (!strcmp (path, "gfx/menu/netp2.lmp"))
memcpy (menuplyr_pixels[1], dat->data, dat->width*dat->height);
else if (!strcmp (path, "gfx/menu/netp3.lmp"))
memcpy (menuplyr_pixels[2], dat->data, dat->width*dat->height);
else if (!strcmp (path, "gfx/menu/netp4.lmp"))
memcpy (menuplyr_pixels[3], dat->data, dat->width*dat->height);
else if (!strcmp (path, "gfx/menu/netp5.lmp"))
memcpy (menuplyr_pixels[4], dat->data, dat->width*dat->height);
pic->pic.width = dat->width;
pic->pic.height = dat->height;
gl = (glpic_t *)pic->pic.data;
// gl->gltexture = GL_LoadTexture (path, dat->width, dat->height, dat->data, false, true, 0);
gl->gltexture = GL_LoadTexture (NULL, path, dat->width, dat->height, SRC_INDEXED, dat->data, path, sizeof(int)*2, TEXPREF_ALPHA | TEXPREF_PAD | TEXPREF_NOPICMIP);
gl->sl = 0;
gl->sh = 1;
gl->tl = 0;
gl->th = 1;
return &pic->pic;
}
/*
================
Draw_CachePicNoTrans
Pa3PyX: Function added to cache pics ignoring transparent colors
(e.g. in intermission screens)
================
*/
qpic_t *Draw_CachePicNoTrans(char *path)
{
cachepic_t *pic;
int i;
qpic_t *dat;
glpic_t *gl;
for (pic=menu_cachepics, i=0 ; i<menu_numcachepics ; pic++, i++)
if (!strcmp (path, pic->name))
return &pic->pic;
if (menu_numcachepics == MAX_CACHED_PICS)
Sys_Error ("menu_numcachepics == MAX_CACHED_PICS (%d)", MAX_CACHED_PICS);
menu_numcachepics++;
strcpy (pic->name, path);
//
// load the pic from disk
//
dat = (qpic_t *)COM_LoadTempFile (path, NULL);
if (!dat)
Sys_Error ("Draw_CachePicNoTrans: failed to load %s", path);
SwapPic (dat);
pic->pic.width = dat->width;
pic->pic.height = dat->height;
// Get rid of transparencies
for (i = 0; i < dat->width * dat->height; i++)
{
if (dat->data[i] == 255)
dat->data[i] = 31; // pal(31) == pal(255) == FCFCFC (white)
}
gl = (glpic_t *)pic->pic.data;
// gl->gltexture = GL_LoadTexture (path, dat->width, dat->height, dat->data, false, true, 0);
gl->gltexture = GL_LoadTexture (NULL, path, dat->width, dat->height, SRC_INDEXED, dat->data, path, sizeof(int)*2, TEXPREF_ALPHA | TEXPREF_PAD | TEXPREF_NOPICMIP);
gl->sl = 0;
gl->sh = 1;
gl->tl = 0;
gl->th = 1;
return &pic->pic;
}
/*
===============
GL_SetFilterModes
===============
*/
void GL_SetFilterModes (gltexture_t *glt)
{
GL_Bind (glt);
if (glt->flags & TEXPREF_NEAREST)
{
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
}
else if (glt->flags & TEXPREF_LINEAR)
{
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
else if (glt->flags & TEXPREF_MIPMAP)
{
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, modes[gl_texturemode].magfilter);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, modes[gl_texturemode].minfilter);
}
else
{
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, modes[gl_texturemode].magfilter);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, modes[gl_texturemode].magfilter);
}
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, gl_texture_anisotropy);
}
/*
===============
GL_TextureMode_f
===============
*/
void GL_TextureMode_f (void)
{
int i;
char *arg;
gltexture_t *glt;
if (Cmd_Argc() == 1)
{
for (i=0 ; i< MAXGLMODES ; i++)
{
if (gl_filter_min == modes[i].minfilter)
{
Con_Printf ("gl_texturemode is %s (%d)\n", modes[i].name, i + 1);
return;
}
}
}
for (i=0 ; i< MAXGLMODES ; i++)
{
arg = Cmd_Argv(1);
if (!strcasecmp (modes[i].name, arg ) || (isdigit(*arg) && atoi(arg) - 1 == i))
break;
}
if (i == MAXGLMODES)
{
Con_Printf ("bad filter name, available are:\n");
for (i=0 ; i< MAXGLMODES ; i++)
Con_Printf ("%s (%d)\n", modes[i].name, i + 1);
return;
}
gl_texturemode = i;
gl_filter_min = modes[gl_texturemode].minfilter;
gl_filter_mag = modes[gl_texturemode].magfilter;
// change all the existing texture objects
for (glt=active_gltextures; glt; glt=glt->next)
GL_SetFilterModes (glt);
Sbar_Changed (); // sbar graphics need to be redrawn with new filter mode
}
/*
===============
GL_Texture_Anisotropy_f
===============
*/
void GL_Texture_Anisotropy_f (void)
{
gltexture_t *glt;