void R_Bloom_InitTextures( void )
{
unsigned char *data;
int maxtexsize;
size_t size;
// Find closer power of 2 to screen size.
for (screen_texture_width = 1; screen_texture_width < glwidth; screen_texture_width *= 2);
for (screen_texture_height = 1; screen_texture_height < glheight; screen_texture_height *= 2);
// Disable blooms if we can't handle a texture of that size.
glGetIntegerv (GL_MAX_TEXTURE_SIZE, &maxtexsize);
if (screen_texture_width > maxtexsize || screen_texture_height > maxtexsize)
{
screen_texture_width = screen_texture_height = 0;
Cvar_SetValue (&r_bloom, 0);
Com_Printf ("WARNING: 'R_InitBloomScreenTexture' too high resolution for Light Bloom. Effect disabled\n");
return;
}
// Init the screen texture.
size = screen_texture_width * screen_texture_height * sizeof (int);
data = Q_malloc (size);
memset (data, 255, size);
//r_bloomscreentexture = GL_LoadTexture ( "***r_screenbackuptexture***", screen_texture_width, screen_texture_height, data, 0, 4); // false, false, 4);
if (!r_bloomscreentexture)
r_bloomscreentexture = texture_extension_number++;
GL_Bind (r_bloomscreentexture);
glTexImage2D (GL_TEXTURE_2D, 0, gl_solid_format, screen_texture_width, screen_texture_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
Q_free (data);
// Validate bloom size and init the bloom effect texture.
R_Bloom_InitEffectTexture();
// If screensize is more than 2x the bloom effect texture, set up for stepped downsampling.
r_bloomdownsamplingtexture = 0;
r_screendownsamplingtexture_size = 0;
if( glwidth > (BLOOM_SIZE * 2) && !r_bloom_fast_sample.value )
{
r_screendownsamplingtexture_size = (int)(BLOOM_SIZE * 2);
data = Q_calloc (r_screendownsamplingtexture_size * r_screendownsamplingtexture_size, sizeof (int));
r_bloomdownsamplingtexture = GL_LoadTexture ( "***r_bloomdownsamplingtexture***", r_screendownsamplingtexture_size, r_screendownsamplingtexture_size, data, 0, 4);
Q_free (data);
}
// Init the screen backup texture.
if (r_screendownsamplingtexture_size)
R_Bloom_InitBackUpTexture (r_screendownsamplingtexture_size, r_screendownsamplingtexture_size);
else
R_Bloom_InitBackUpTexture (BLOOM_SIZE, BLOOM_SIZE);
}
/*
* R_Bloom_InitTextures
*/
static void R_Bloom_InitTextures( void )
{
qbyte *data;
int size;
if( glConfig.ext.texture_non_power_of_two )
{
screen_texture_width = glState.width;
screen_texture_height = glState.height;
}
else
{
// find closer power of 2 to screen size
for (screen_texture_width = 1;screen_texture_width < glState.width;screen_texture_width <<= 1);
for (screen_texture_height = 1;screen_texture_height < glState.height;screen_texture_height <<= 1);
}
// disable blooms if we can't handle a texture of that size
if( screen_texture_width > glConfig.maxTextureSize || screen_texture_height > glConfig.maxTextureSize )
{
screen_texture_width = screen_texture_height = 0;
Cvar_ForceSet( "r_bloom", "0" );
Com_Printf( S_COLOR_YELLOW "WARNING: 'R_InitBloomScreenTexture' too high resolution for light bloom, effect disabled\n" );
return;
}
// init the screen texture
size = screen_texture_width * screen_texture_height * 4;
data = Mem_TempMalloc( size );
memset( data, 255, size );
r_bloomscreentexture = R_LoadPic( "***r_bloomscreentexture***", &data, screen_texture_width, screen_texture_height, IT_CLAMP|IT_NOMIPMAP|IT_NOCOMPRESS|IT_NOPICMIP, 3 );
Mem_TempFree( data );
// validate bloom size and init the bloom effect texture
R_Bloom_InitEffectTexture();
// if screensize is more than 2x the bloom effect texture, set up for stepped downsampling
r_bloomdownsamplingtexture = NULL;
r_screendownsamplingtexture_size = 0;
if( (glState.width > (BLOOM_SIZE * 2) || glState.height > (BLOOM_SIZE * 2)) && !r_bloom_fast_sample->integer )
{
r_screendownsamplingtexture_size = (int)( BLOOM_SIZE * 2 );
data = Mem_TempMalloc( r_screendownsamplingtexture_size * r_screendownsamplingtexture_size * 4 );
memset( data, 0, r_screendownsamplingtexture_size * r_screendownsamplingtexture_size * 4 );
r_bloomdownsamplingtexture = R_LoadPic( "***r_bloomdownsamplingtexture***", &data, r_screendownsamplingtexture_size, r_screendownsamplingtexture_size, IT_CLAMP|IT_NOMIPMAP|IT_NOCOMPRESS|IT_NOPICMIP, 3 );
Mem_TempFree( data );
}
// init the screen backup texture
if( r_screendownsamplingtexture_size )
R_Bloom_InitBackUpTexture( r_screendownsamplingtexture_size, r_screendownsamplingtexture_size );
else
R_Bloom_InitBackUpTexture( BLOOM_SIZE, BLOOM_SIZE );
}
/*
* =================
* R_Bloom_InitTextures
* =================
*/
void R_Bloom_InitTextures(void)
{
byte *data;
int size;
//find closer power of 2 to screen size
for (screen_texture_width = 1; screen_texture_width < vid.width; screen_texture_width *= 2)
{
}
for (screen_texture_height = 1; screen_texture_height < vid.height; screen_texture_height *= 2)
{
}
//disable blooms if we can't handle a texture of that size
/* if( screen_texture_width > glConfig.maxTextureSize ||
* screen_texture_height > glConfig.maxTextureSize ) {
* screen_texture_width = screen_texture_height = 0;
* Cvar_SetValue ("r_bloom", 0);
* Com_Printf( "WARNING: 'R_InitBloomScreenTexture' too high resolution for Light Bloom. Effect disabled\n" );
* return;
* }*/
//init the screen texture
size = screen_texture_width * screen_texture_height * 4;
data = malloc(size);
memset(data, 255, size);
r_bloomscreentexture = R_LoadPic("***r_bloomscreentexture***", (byte *)data, screen_texture_width, screen_texture_height, it_pic, 3);
free(data);
//validate bloom size and init the bloom effect texture
R_Bloom_InitEffectTexture();
//if screensize is more than 2x the bloom effect texture, set up for stepped downsampling
r_bloomdownsamplingtexture = NULL;
r_screendownsamplingtexture_size = 0;
if ((vid.width > (BLOOM_SIZE * 2)) && !r_bloom_fast_sample->value)
{
r_screendownsamplingtexture_size = (int)(BLOOM_SIZE * 2);
data = malloc(r_screendownsamplingtexture_size * r_screendownsamplingtexture_size * 4);
memset(data, 0, r_screendownsamplingtexture_size * r_screendownsamplingtexture_size * 4);
r_bloomdownsamplingtexture = R_LoadPic("***r_bloomdownsamplingtexture***", (byte *)data, r_screendownsamplingtexture_size, r_screendownsamplingtexture_size, it_pic, 3);
free(data);
}
//Init the screen backup texture
if (r_screendownsamplingtexture_size)
{
R_Bloom_InitBackUpTexture(r_screendownsamplingtexture_size, r_screendownsamplingtexture_size);
}
else
{
R_Bloom_InitBackUpTexture(BLOOM_SIZE, BLOOM_SIZE);
}
}
/*
=================
R_Bloom_InitTextures
=================
*/
static void R_Bloom_InitTextures( void )
{
if( GL_Support( R_ARB_TEXTURE_NPOT_EXT ))
{
screen_texture_width = glState.width;
screen_texture_height = glState.height;
}
else
{
// find closer power of 2 to screen size
for( screen_texture_width = 1; screen_texture_width < glState.width; screen_texture_width <<= 1 );
for( screen_texture_height = 1; screen_texture_height < glState.height; screen_texture_height <<= 1 );
}
// disable blooms if we can't handle a texture of that size
if( screen_texture_width > glConfig.max_2d_texture_size || screen_texture_height > glConfig.max_2d_texture_size )
{
screen_texture_width = screen_texture_height = 0;
CVAR_SET_FLOAT( "r_bloom", 0.0f );
ALERT( at_warning, "'R_InitBloomScreenTexture' too high resolution for light bloom, effect disabled\n" );
return;
}
r_bloomscreentexture = CREATE_TEXTURE( "*bloomscreentexture", screen_texture_width, screen_texture_height, NULL, TF_IMAGE );
// validate bloom size and init the bloom effect texture
R_Bloom_InitEffectTexture();
// if screensize is more than 2x the bloom effect texture, set up for stepped downsampling
r_bloomdownsamplingtexture = 0;
r_screendownsamplingtexture_size = 0;
if(( glState.width > (BLOOM_SIZE * 2) || glState.height > (BLOOM_SIZE * 2)) && !r_bloom_fast_sample->value )
{
r_screendownsamplingtexture_size = (int)( BLOOM_SIZE * 2 );
r_bloomdownsamplingtexture = CREATE_TEXTURE( "*bloomdownsampletexture", r_screendownsamplingtexture_size,
r_screendownsamplingtexture_size, NULL, TF_IMAGE );
}
// init the screen backup texture
if( r_screendownsamplingtexture_size )
R_Bloom_InitBackUpTexture( r_screendownsamplingtexture_size, r_screendownsamplingtexture_size );
else R_Bloom_InitBackUpTexture( BLOOM_SIZE, BLOOM_SIZE );
}
