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Experimentally allow external texture loading. Also prevent loading RGB textures as RGBA, which wastes a lot of texture memory, and looks ugly on 16bpp boards.

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This commit is contained in:
Ragnvald Maartmann-Moe IV 2002-09-06 21:37:22 +00:00
parent 2ba3585d06
commit c4609f5195
5 changed files with 62 additions and 76 deletions
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34
libs/models/brush/gl_model_brush.c
View file

@ -46,6 +46,7 @@ static const char rcsid[] =
#include "QF/sys.h"
#include "QF/texture.h"
#include "QF/tga.h"
#include "QF/va.h"
#include "QF/GL/qf_textures.h"
#include "compat.h"
@ -69,42 +70,35 @@ Mod_ProcessTexture (miptex_t *mt, texture_t *tx)
void
Mod_LoadExternalTextures (model_t *mod)
{
char filename[MAX_QPATH + 8];
int length, i;
char *filename;
int i;
tex_t *targa;
texture_t *tx;
QFile *f;
for (i = 0; i < mod->numtextures; i++)
{
for (i = 0; i < mod->numtextures; i++) {
tx = mod->textures[i];
if (!tx)
continue;
length = strlen (tx->name) - 1;
// backslash at the end of texture name indicates external texture
if (tx->name[length] != '\\')
continue;
// if (tx->name[length] != '\\')
// continue;
// replace special flag characters with underscores
if (tx->name[0] == '+' || tx->name[0] == '*')
snprintf (filename, sizeof (filename), "maps/_%s", tx->name + 1);
else
snprintf (filename, sizeof (filename), "maps/%s", tx->name);
length += 5; // add "maps/" to the string length calculation
snprintf (filename + length, sizeof (filename) - length, ".tga");
if (tx->name[0] == '+' || tx->name[0] == '*') {
filename = va ("maps/_%s.tga", tx->name + 1);
} else {
filename = va ("maps/%s.tga", tx->name);
}
COM_FOpenFile (filename, &f);
if (f) {
targa = LoadTGA (f);
Qclose (f);
if (targa->format < 4)
tx->gl_texturenum = GL_LoadTexture (tx->name, targa->width,
targa->height, targa->data, true, false, 3);
else
tx->gl_texturenum = GL_LoadTexture (tx->name, targa->width,
targa->height, targa->data, true, true, 4);
tx->gl_texturenum =
GL_LoadTexture (tx->name, targa->width, targa->height,
targa->data, true, false, 3);
}
}
}

5
libs/util/tga.c
View file

@ -56,6 +56,7 @@ blit_rgb (byte *buf, int count, byte red, byte green, byte blue)
*buf++ = red;
*buf++ = green;
*buf++ = blue;
*buf++ = 255;
}
return buf;
}
@ -147,7 +148,7 @@ LoadTGA (QFile *fin)
switch (targa->pixel_size) {
case 24:
tex = Hunk_TempAlloc (field_offset (tex_t, data[numPixels * 3]));
tex = Hunk_TempAlloc (field_offset (tex_t, data[numPixels * 4]));
tex->format = tex_rgb;
break;
default:
@ -165,7 +166,7 @@ LoadTGA (QFile *fin)
dataByte = (byte *) (targa + 1);
dataByte += targa->id_length;
span = columns * tex->format;
span = columns * 4; // tex->format
pixrow = tex->data + (rows - 1) * span;
if (targa->image_type == 2) { // Uncompressed image

25
libs/video/renderer/gl/gl_skin.c
View file

@ -96,10 +96,7 @@ build_skin_8 (byte * original, int tinwidth, int tinheight,
unsigned int scaled_width, unsigned int scaled_height,
int inwidth, qboolean alpha)
{
/*
any improvements in here should be mirrored in
GL_Resample8BitTexture in gl_textures.c
*/
// Improvements should be mirrored in GL_ResampleTexture in gl_textures.c
byte *inrow;
byte pixels[512 * 256], *out;
int i, j;
@ -126,10 +123,7 @@ build_skin_32 (byte * original, int tinwidth, int tinheight,
unsigned int scaled_width, unsigned int scaled_height,
int inwidth, qboolean alpha)
{
/*
any improvements in here should be mirrored in
GL_ResampleTexture in gl_textures.c
*/
// Improvements should be mirrored in GL_ResampleTexture in gl_textures.c
byte *inrow;
int i, j;
int samples = alpha ? gl_alpha_format : gl_solid_format;
@ -148,9 +142,8 @@ build_skin_32 (byte * original, int tinwidth, int tinheight,
}
}
qfglTexImage2D (GL_TEXTURE_2D, 0, samples,
scaled_width, scaled_height, 0, GL_RGBA,
GL_UNSIGNED_BYTE, pixels);
qfglTexImage2D (GL_TEXTURE_2D, 0, samples, scaled_width, scaled_height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, pixels);
qfglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
qfglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@ -175,11 +168,11 @@ build_skin (int texnum, byte *ptexels, int width, int height,
scaled_height >>= gl_playermip->int_val;
if (VID_Is8bit ()) { // 8bit texture upload
build_skin_8 (ptexels, owidth, oheight, scaled_width,
scaled_height, width, alpha);
build_skin_8 (ptexels, owidth, oheight, scaled_width, scaled_height,
width, alpha);
} else {
build_skin_32 (ptexels, owidth, oheight, scaled_width,
scaled_height, width, alpha);
build_skin_32 (ptexels, owidth, oheight, scaled_width, scaled_height,
width, alpha);
}
}
@ -191,7 +184,7 @@ Skin_Do_Translation (skin_t *player_skin, int slot, skin_t *skin)
int texnum = skin->texture;
tex_t *skin_texels;
if ((skin_texels = (tex_t*)Skin_Cache (player_skin)) != NULL) {
if ((skin_texels = (tex_t *) Skin_Cache (player_skin)) != NULL) {
// skin data width
inwidth = 320;
inheight = 200;

14
libs/video/renderer/gl/gl_sky.c
View file

@ -86,7 +86,8 @@ R_LoadSkys (const char *skyname)
if (!f) {
Con_DPrintf ("Couldn't load %s\n", name);
// also look in gfx/env, where Darkplaces looks for skies
snprintf (name, sizeof (name), "gfx/env/%s%s.tga", skyname, suf[i]);
snprintf (name, sizeof (name), "gfx/env/%s%s.tga", skyname,
suf[i]);
COM_FOpenFile (name, &f);
if (!f) {
Con_DPrintf ("Couldn't load %s\n", name);
@ -97,14 +98,9 @@ R_LoadSkys (const char *skyname)
targa = LoadTGA (f);
Qclose (f);
if (targa->format < 4)
qfglTexImage2D (GL_TEXTURE_2D, 0, gl_solid_format, targa->width,
targa->height, 0, GL_RGB, GL_UNSIGNED_BYTE,
&targa->data);
else
qfglTexImage2D (GL_TEXTURE_2D, 0, gl_solid_format, targa->width,
targa->height, 0, GL_RGBA, GL_UNSIGNED_BYTE,
&targa->data);
qfglTexImage2D (GL_TEXTURE_2D, 0, gl_solid_format, targa->width,
targa->height, 0, GL_RGBA, GL_UNSIGNED_BYTE,
&targa->data);
qfglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
qfglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

60
libs/video/renderer/gl/gl_textures.c
View file

@ -178,7 +178,6 @@ static glformat_t formats[] = {
int gl_alpha_format = 4, gl_lightmap_format = 4, gl_solid_format = 3;
void
GL_TextureMode_f (void)
{
@ -249,12 +248,9 @@ GL_TextureDepth_f (int format)
static void
GL_ResampleTexture (unsigned int *in, int inwidth, int inheight,
unsigned int *out, int outwidth, int outheight)
unsigned int *out, int outwidth, int outheight)
{
/*
any improvements in here should be mirrored in build_skin_32 in
gl_skin.c
*/
// Improvements here should be mirrored in build_skin_32 in gl_skin.c
int i, j;
unsigned int frac, fracstep;
unsigned int *inrow;
@ -274,12 +270,9 @@ GL_ResampleTexture (unsigned int *in, int inwidth, int inheight,
static void
GL_Resample8BitTexture (unsigned char *in, int inwidth, int inheight,
unsigned char *out, int outwidth, int outheight)
unsigned char *out, int outwidth, int outheight)
{
/*
any improvements in here should be mirrored in build_skin_8 in
gl_skin.c
*/
// Improvements here should be mirrored in build_skin_8 in gl_skin.c
unsigned char *inrow;
int i, j;
unsigned int frac, fracstep;
@ -303,7 +296,7 @@ GL_Resample8BitTexture (unsigned char *in, int inwidth, int inheight,
Operates in place, quartering the size of the texture.
*/
static void
GL_MipMap (byte * in, int width, int height)
GL_MipMap (byte *in, int width, int height)
{
byte *out;
int i, j;
@ -328,7 +321,7 @@ GL_MipMap (byte * in, int width, int height)
Mipping for 8 bit textures
*/
static void
GL_MipMap8Bit (byte * in, int width, int height)
GL_MipMap8Bit (byte *in, int width, int height)
{
byte *at1, *at2, *at3, *at4, *out;
int i, j;
@ -357,7 +350,7 @@ GL_MipMap8Bit (byte * in, int width, int height)
static void
GL_Upload32 (unsigned int *data, int width, int height, qboolean mipmap,
qboolean alpha)
qboolean alpha)
{
int scaled_width, scaled_height, intformat;
unsigned int *scaled;
@ -386,7 +379,7 @@ GL_Upload32 (unsigned int *data, int width, int height, qboolean mipmap,
memcpy (scaled, data, width * height * sizeof (GLuint));
} else {
GL_ResampleTexture (data, width, height, scaled, scaled_width,
scaled_height);
scaled_height);
}
qfglTexImage2D (GL_TEXTURE_2D, 0, intformat, scaled_width, scaled_height,
@ -403,7 +396,8 @@ GL_Upload32 (unsigned int *data, int width, int height, qboolean mipmap,
scaled_height = max (scaled_height, 1);
miplevel++;
qfglTexImage2D (GL_TEXTURE_2D, miplevel, intformat, scaled_width,
scaled_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, scaled);
scaled_height, 0, GL_RGBA, GL_UNSIGNED_BYTE,
scaled);
}
}
@ -433,8 +427,8 @@ GL_Upload32 (unsigned int *data, int width, int height, qboolean mipmap,
If we don't, this function does nothing.
*/
void
GL_Upload8_EXT (byte * data, int width, int height, qboolean mipmap,
qboolean alpha)
GL_Upload8_EXT (byte *data, int width, int height, qboolean mipmap,
qboolean alpha)
{
byte *scaled;
int scaled_width, scaled_height;
@ -458,10 +452,11 @@ GL_Upload8_EXT (byte * data, int width, int height, qboolean mipmap,
memcpy (scaled, data, width * height);
} else {
GL_Resample8BitTexture (data, width, height, scaled, scaled_width,
scaled_height);
scaled_height);
}
qfglTexImage2D (GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT, scaled_width,
scaled_height, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, scaled);
scaled_height, 0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE,
scaled);
if (mipmap) {
int miplevel;
@ -475,8 +470,8 @@ GL_Upload8_EXT (byte * data, int width, int height, qboolean mipmap,
scaled_height = max (scaled_height, 1);
miplevel++;
qfglTexImage2D (GL_TEXTURE_2D, miplevel, GL_COLOR_INDEX8_EXT,
scaled_width, scaled_height, 0, GL_COLOR_INDEX,
GL_UNSIGNED_BYTE, scaled);
scaled_width, scaled_height, 0, GL_COLOR_INDEX,
GL_UNSIGNED_BYTE, scaled);
}
}
@ -501,7 +496,7 @@ GL_Upload8_EXT (byte * data, int width, int height, qboolean mipmap,
void
GL_Upload8 (byte * data, int width, int height, qboolean mipmap, qboolean alpha)
GL_Upload8 (byte *data, int width, int height, qboolean mipmap, qboolean alpha)
{
int i, s, p;
unsigned int *trans;
@ -538,23 +533,27 @@ GL_Upload8 (byte * data, int width, int height, qboolean mipmap, qboolean alpha)
}
int
GL_LoadTexture (const char *identifier, int width, int height, byte * data,
qboolean mipmap, qboolean alpha, int bytesperpixel)
GL_LoadTexture (const char *identifier, int width, int height, byte *data,
qboolean mipmap, qboolean alpha, int bytesperpixel)
{
int crc, i;
gltexture_t *glt;
// LordHavoc: now just using a standard CRC for texture validation
crc = CRC_Block (data, width * height * bytesperpixel);
if (bytesperpixel == 1)
crc = CRC_Block (data, width * height * bytesperpixel);
else
crc = CRC_Block (data, width * height * 4);
// see if the texture is already present
if (identifier[0]) {
for (i = 0, glt = gltextures; i < numgltextures; i++, glt++) {
if (strequal (identifier, glt->identifier)) {
if (crc != glt->crc
|| width != glt->width
|| width != glt->width
|| height != glt->height
|| bytesperpixel != glt->bytesperpixel) goto SetupTexture;
|| bytesperpixel != glt->bytesperpixel)
goto SetupTexture;
else
return gltextures[i].texnum;
}
@ -586,12 +585,15 @@ SetupTexture:
case 1:
GL_Upload8 (data, width, height, mipmap, alpha);
break;
case 3:
GL_Upload32 ((GLuint *) data, width, height, mipmap, 0);
break;
case 4:
GL_Upload32 ((GLuint *) data, width, height, mipmap, alpha);
break;
default:
Sys_Error ("SetupTexture: unknown bytesperpixel %i",
glt->bytesperpixel);
glt->bytesperpixel);
}
return glt->texnum;