void gld_BindFlat(GLTexture *gltexture)
{
const unsigned char *flat;
int i;
unsigned char *buffer;
if (gltexture==last_gltexture)
return;
last_gltexture=gltexture;
if (!gltexture)
return;
if (gltexture->textype!=GLDT_FLAT)
{
glBindTexture(GL_TEXTURE_2D, 0);
last_gltexture = NULL;
last_cm = -1;
return;
}
if (gltexture->glTexID[CR_DEFAULT]!=0)
{
glBindTexture(GL_TEXTURE_2D, gltexture->glTexID[CR_DEFAULT]);
glGetTexParameteriv(GL_TEXTURE_2D,GL_TEXTURE_RESIDENT,&i);
#ifdef _DEBUG
if (i!=GL_TRUE)
lprintf(LO_INFO, "glGetTexParam: %i\n", i);
#endif
if (i==GL_TRUE)
return;
}
flat=W_CacheLumpNum(gltexture->index);
buffer=(unsigned char*)Z_Malloc(gltexture->buffer_size,PU_STATIC,0);
if (!(gltexture->mipmap && use_mipmapping) && gl_paletted_texture)
memset(buffer,transparent_pal_index,gltexture->buffer_size);
else
memset(buffer,0,gltexture->buffer_size);
gld_AddFlatToTexture(gltexture, buffer, flat, !(gltexture->mipmap && use_mipmapping) && gl_paletted_texture);
if (gltexture->glTexID[CR_DEFAULT]==0)
glGenTextures(1,&gltexture->glTexID[CR_DEFAULT]);
glBindTexture(GL_TEXTURE_2D, gltexture->glTexID[CR_DEFAULT]);
#ifdef USE_GLU_MIPMAP
if (gltexture->mipmap && use_mipmapping)
{
gluBuild2DMipmaps(GL_TEXTURE_2D, gl_tex_format,
gltexture->buffer_width, gltexture->buffer_height,
GL_RGBA, GL_UNSIGNED_BYTE, buffer);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_tex_filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_mipmap_filter);
if (gl_texture_filter_anisotropic)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 2.0);
}
else
#endif /* USE_GLU_MIPMAP */
{
#ifdef USE_GLU_IMAGESCALE
if ((gltexture->buffer_width!=gltexture->tex_width) ||
(gltexture->buffer_height!=gltexture->tex_height)
)
{
unsigned char *scaledbuffer;
scaledbuffer=(unsigned char*)Z_Malloc(gltexture->tex_width*gltexture->tex_height*4,PU_STATIC,0);
if (scaledbuffer)
{
gluScaleImage(GL_RGBA,
gltexture->buffer_width, gltexture->buffer_height,
GL_UNSIGNED_BYTE,buffer,
gltexture->tex_width, gltexture->tex_height,
GL_UNSIGNED_BYTE,scaledbuffer);
Z_Free(buffer);
buffer=scaledbuffer;
glTexImage2D( GL_TEXTURE_2D, 0, gl_tex_format,
gltexture->tex_width, gltexture->tex_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
}
}
else
#endif /* USE_GLU_IMAGESCALE */
{
if (gl_paletted_texture) {
gld_SetTexturePalette(GL_TEXTURE_2D);
glTexImage2D( GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT,
gltexture->buffer_width, gltexture->buffer_height,
0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, buffer);
} else {
glTexImage2D( GL_TEXTURE_2D, 0, gl_tex_format,
gltexture->buffer_width, gltexture->buffer_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
}
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_tex_filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_tex_filter);
}
Z_Free(buffer);
W_UnlockLumpNum(gltexture->index);
}
int gld_BuildTexture(GLTexture *gltexture, void *data, dboolean readonly, int width, int height)
{
int result = false;
int tex_width, tex_height, tex_buffer_size;
unsigned char *tex_buffer = NULL;
tex_width = gld_GetTexDimension(width);
tex_height = gld_GetTexDimension(height);
tex_buffer_size = tex_width * tex_height * 4;
//your video is modern
if (gl_arb_texture_non_power_of_two)
{
qglTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP,
((gltexture->flags & GLTEXTURE_MIPMAP) ? GL_TRUE : GL_FALSE));
qglTexImage2D( GL_TEXTURE_2D, 0, gl_tex_format,
tex_width, tex_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, data);
gld_RecolorMipLevels(data);
gld_SetTexFilters(gltexture);
result = true;
goto l_exit;
}
#ifdef USE_GLU_MIPMAP
if (gltexture->flags & GLTEXTURE_MIPMAP)
{
gluBuild2DMipmaps(GL_TEXTURE_2D, gl_tex_format,
width, height, GL_RGBA, GL_UNSIGNED_BYTE, data);
gld_RecolorMipLevels(data);
gld_SetTexFilters(gltexture);
result = true;
goto l_exit;
}
else
#endif // USE_GLU_MIPMAP
{
#ifdef USE_GLU_IMAGESCALE
if ((width != tex_width) || (height != tex_height))
{
tex_buffer = malloc(tex_buffer_size);
if (!tex_buffer)
{
goto l_exit;
}
gluScaleImage(GL_RGBA, width, height,
GL_UNSIGNED_BYTE, data,
tex_width, tex_height,
GL_UNSIGNED_BYTE, tex_buffer);
qglTexImage2D( GL_TEXTURE_2D, 0, gl_tex_format,
tex_width, tex_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, tex_buffer);
}
else
#endif // USE_GLU_IMAGESCALE
{
if ((width != tex_width) || (height != tex_height))
{
if (width == tex_width)
{
tex_buffer = malloc(tex_buffer_size);
memcpy(tex_buffer, data, width * height * 4);
}
else
{
int y;
tex_buffer = calloc(1, tex_buffer_size);
for (y = 0; y < height; y++)
{
memcpy(tex_buffer + y * tex_width * 4,
((unsigned char*)data) + y * width * 4, width * 4);
}
}
}
else
{
tex_buffer = data;
}
if (gl_paletted_texture) {
gld_SetTexturePalette(GL_TEXTURE_2D);
qglTexImage2D( GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT,
tex_width, tex_height,
0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, tex_buffer);
} else {
qglTexImage2D( GL_TEXTURE_2D, 0, gl_tex_format,
tex_width, tex_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, tex_buffer);
}
}
gltexture->flags &= ~GLTEXTURE_MIPMAP;
gld_SetTexFilters(gltexture);
result = true;
}
l_exit:
if (result)
{
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
if (tex_buffer && tex_buffer != data)
{
free(tex_buffer);
tex_buffer = NULL;
}
if (!readonly)
{
free(data);
data = NULL;
}
return result;
}
void gld_BindPatch(GLTexture *gltexture, int cm)
{
const rpatch_t *patch;
int i;
unsigned char *buffer;
if ((gltexture==last_gltexture) && (cm==last_cm))
return;
last_gltexture=gltexture;
last_cm=cm;
if (!gltexture)
return;
if (gltexture->textype!=GLDT_PATCH)
{
glBindTexture(GL_TEXTURE_2D, 0);
last_gltexture = NULL;
last_cm = -1;
return;
}
if (gltexture->glTexID[cm]!=0)
{
glBindTexture(GL_TEXTURE_2D, gltexture->glTexID[cm]);
glGetTexParameteriv(GL_TEXTURE_2D,GL_TEXTURE_RESIDENT,&i);
#ifdef _DEBUG
if (i!=GL_TRUE)
lprintf(LO_INFO, "glGetTexParam: %i\n", i);
#endif
if (i==GL_TRUE)
return;
}
patch=R_CachePatchNum(gltexture->index);
buffer=(unsigned char*)Z_Malloc(gltexture->buffer_size,PU_STATIC,0);
if (gl_paletted_texture)
memset(buffer,transparent_pal_index,gltexture->buffer_size);
else
memset(buffer,0,gltexture->buffer_size);
gld_AddPatchToTexture(gltexture, buffer, patch, 0, 0, cm, gl_paletted_texture);
if (gltexture->glTexID[cm]==0)
glGenTextures(1,&gltexture->glTexID[cm]);
glBindTexture(GL_TEXTURE_2D, gltexture->glTexID[cm]);
#ifdef USE_GLU_IMAGESCALE
if ((gltexture->buffer_width>gltexture->tex_width) ||
(gltexture->buffer_height>gltexture->tex_height)
)
{
unsigned char *scaledbuffer;
scaledbuffer=(unsigned char*)Z_Malloc(gltexture->tex_width*gltexture->tex_height*4,PU_STATIC,0);
if (scaledbuffer)
{
gluScaleImage(GL_RGBA,
gltexture->buffer_width, gltexture->buffer_height,
GL_UNSIGNED_BYTE,buffer,
gltexture->tex_width, gltexture->tex_height,
GL_UNSIGNED_BYTE,scaledbuffer);
Z_Free(buffer);
buffer=scaledbuffer;
glTexImage2D( GL_TEXTURE_2D, 0, gl_tex_format,
gltexture->tex_width, gltexture->tex_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
}
}
else
#endif /* USE_GLU_IMAGESCALE */
{
if (gl_paletted_texture) {
gld_SetTexturePalette(GL_TEXTURE_2D);
glTexImage2D( GL_TEXTURE_2D, 0, GL_COLOR_INDEX8_EXT,
gltexture->buffer_width, gltexture->buffer_height,
0, GL_COLOR_INDEX, GL_UNSIGNED_BYTE, buffer);
} else {
glTexImage2D( GL_TEXTURE_2D, 0, gl_tex_format,
gltexture->buffer_width, gltexture->buffer_height,
0, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
}
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_tex_filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_tex_filter);
Z_Free(buffer);
R_UnlockPatchNum(gltexture->index);
}
