/*
* =================
* R_Bloom_GeneratexCross - alternative bluring method
* =================
*/
void R_Bloom_GeneratexCross(void)
{
int i;
static int BLOOM_BLUR_RADIUS = 8;
//static float BLOOM_BLUR_INTENSITY = 2.5f;
float BLOOM_BLUR_INTENSITY;
static float intensity;
static float range;
// set up sample size workspace
glViewport(0, 0, sample_width, sample_height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, sample_width, sample_height, 0, -10, 100);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
// copy small scene into r_bloomeffecttexture
GL_Bind(0, r_bloomeffecttexture);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
// start modifying the small scene corner
GL_Enable(GL_BLEND);
// darkening passes
if (r_bloom_darken->value)
{
GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
GL_TexEnv(GL_MODULATE);
R_Bloom_DrawStart
for (i = 0; i < r_bloom_darken->value; i++)
{
R_Bloom_SamplePass(0, 0, 1.0f, 1.0f, 1.0f, 1.0f);
}
R_Bloom_DrawFinish
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
}
// =================
// R_Bloom_GeneratexDiamonds
//=================
void R_Bloom_GeneratexDiamonds( void )
{
int i, j;
static float intensity;
// Setup sample size workspace
glViewport( 0, 0, sample_width, sample_height );
glMatrixMode( GL_PROJECTION );
glLoadIdentity ();
glOrtho(0, sample_width, sample_height, 0, -10, 100);
glMatrixMode( GL_MODELVIEW );
glLoadIdentity ();
// Copy small scene into r_bloomeffecttexture.
GL_Bind(r_bloomeffecttexture);
//glBindTexture(GL_TEXTURE_2D, r_bloomeffecttexture);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
// Start modifying the small scene corner.
glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
glEnable(GL_BLEND);
// Darkening passes
if( r_bloom_darken.value )
{
glBlendFunc(GL_DST_COLOR, GL_ZERO);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
for(i=0; i < r_bloom_darken.integer ;i++)
{
R_Bloom_SamplePass( 0, 0 );
}
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
}
// Bluring passes.
//glBlendFunc(GL_ONE, GL_ONE);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
if( r_bloom_diamond_size.value > 7 || r_bloom_diamond_size.value <= 3)
{
if( r_bloom_diamond_size.integer != 8 )
{
Cvar_SetValue( &r_bloom_diamond_size, 8 );
}
for(i = 0; i < r_bloom_diamond_size.integer; i++)
{
for(j = 0; j < r_bloom_diamond_size.integer; j++)
{
intensity = r_bloom_intensity.value * 0.3 * Diamond8x[i][j];
if( intensity < 0.01f )
{
continue;
}
glColor4f( intensity, intensity, intensity, 1.0);
R_Bloom_SamplePass( i - 4, j - 4 );
}
}
}
else if( r_bloom_diamond_size.integer > 5 )
{
if( r_bloom_diamond_size.integer != 6 )
{
Cvar_SetValue( &r_bloom_diamond_size, 6 );
}
for(i = 0; i < r_bloom_diamond_size.integer; i++)
{
for(j = 0; j < r_bloom_diamond_size.integer; j++)
{
intensity = r_bloom_intensity.value * 0.5 * Diamond6x[i][j];
if( intensity < 0.01f )
{
continue;
}
glColor4f( intensity, intensity, intensity, 1.0);
R_Bloom_SamplePass( i - 3, j - 3 );
}
}
}
else if( r_bloom_diamond_size.value > 3 )
{
if( r_bloom_diamond_size.integer != 4 )
{
Cvar_SetValue( &r_bloom_diamond_size, 4 );
}
for(i = 0; i < r_bloom_diamond_size.integer; i++)
{
for(j = 0; j < r_bloom_diamond_size.integer; j++)
{
intensity = r_bloom_intensity.value * 0.8f * Diamond4x[i][j];
if( intensity < 0.01f ) continue;
glColor4f( intensity, intensity, intensity, 1.0);
R_Bloom_SamplePass( i-2, j-2 );
}
}
}
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
// Restore full screen workspace.
glViewport( 0, 0, glwidth, glheight );
glMatrixMode( GL_PROJECTION );
glLoadIdentity ();
glOrtho(0, glwidth, glheight, 0, -10, 100);
glMatrixMode( GL_MODELVIEW );
glLoadIdentity ();
}
// =================
// R_Bloom_GeneratexCross - alternative bluring method
// =================
void R_Bloom_GeneratexCross( void )
{
int i;
static int BLOOM_BLUR_RADIUS = 8;
//static float BLOOM_BLUR_INTENSITY = 2.5f;
float BLOOM_BLUR_INTENSITY;
static float intensity;
static float range;
// Setup sample size workspace.
glViewport( 0, 0, sample_width, sample_height );
glMatrixMode( GL_PROJECTION );
glLoadIdentity ();
glOrtho(0, sample_width, sample_height, 0, -10, 100);
glMatrixMode( GL_MODELVIEW );
glLoadIdentity ();
// Copy small scene into r_bloomeffecttexture.
GL_Bind(r_bloomeffecttexture);
//glBindTexture(GL_TEXTURE_2D, r_bloomeffecttexture);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
// Start modifying the small scene corner.
glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
glEnable(GL_BLEND);
// Darkening passes.
if( r_bloom_darken.value )
{
glBlendFunc(GL_DST_COLOR, GL_ZERO);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
for(i=0; i<r_bloom_darken.integer ;i++)
{
R_Bloom_SamplePass( 0, 0 );
}
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
}
// Bluring passes.
if( BLOOM_BLUR_RADIUS )
{
glBlendFunc(GL_ONE, GL_ONE);
range = (float)BLOOM_BLUR_RADIUS;
BLOOM_BLUR_INTENSITY = r_bloom_intensity.value;
//diagonal-cross draw 4 passes to add initial smooth
glColor4f( 0.5f, 0.5f, 0.5f, 1.0);
R_Bloom_SamplePass( 1, 1 );
R_Bloom_SamplePass( -1, 1 );
R_Bloom_SamplePass( -1, -1 );
R_Bloom_SamplePass( 1, -1 );
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
for(i =- (BLOOM_BLUR_RADIUS + 1); i <BLOOM_BLUR_RADIUS; i++)
{
intensity = BLOOM_BLUR_INTENSITY/(range*2+1)*(1 - fabs(i*i)/(float)(range*range));
if( intensity < 0.05f )
{
continue;
}
glColor4f( intensity, intensity, intensity, 1.0f);
R_Bloom_SamplePass( i, 0 );
//R_Bloom_SamplePass( -i, 0 );
}
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
//for(i = 0; i < BLOOM_BLUR_RADIUS; i++)
for(i =- (BLOOM_BLUR_RADIUS + 1); i < BLOOM_BLUR_RADIUS; i++)
{
intensity = BLOOM_BLUR_INTENSITY / (range*2+1) * (1 - fabs(i * i) / (float)(range * range));
if( intensity < 0.05f )
{
continue;
}
glColor4f( intensity, intensity, intensity, 1.0f);
R_Bloom_SamplePass( 0, i );
//R_Bloom_SamplePass( 0, -i );
}
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
}
// Restore full screen workspace.
glViewport( 0, 0, glwidth, glheight );
glMatrixMode( GL_PROJECTION );
glLoadIdentity ();
glOrtho(0, glwidth, glheight, 0, -10, 100);
glMatrixMode( GL_MODELVIEW );
glLoadIdentity ();
}
/*
* R_Bloom_GeneratexDiamonds
*/
static void R_Bloom_GeneratexDiamonds( void )
{
int i, j, k;
float intensity, scale, *diamond;
// set up sample size workspace
GL_Scissor( 0, glState.height - sample_height, sample_width, sample_height );
GL_Viewport( 0, glState.height - sample_height, sample_width, sample_height );
qglMatrixMode( GL_PROJECTION );
qglLoadIdentity();
qglOrtho( 0, sample_width, sample_height, 0, -10, 100 );
qglMatrixMode( GL_MODELVIEW );
qglLoadIdentity();
// copy small scene into r_bloomeffecttexture
GL_Bind( 0, r_bloomeffecttexture );
qglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height );
// start modifying the small scene corner
qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
// darkening passes
if( r_bloom_darken->integer )
{
GL_TexEnv( GL_MODULATE );
GL_SetState( GLSTATE_NO_DEPTH_TEST|GLSTATE_SRCBLEND_DST_COLOR|GLSTATE_DSTBLEND_ZERO );
for( i = 0; i < r_bloom_darken->integer; i++ )
R_Bloom_SamplePass( 0, 0 );
qglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height );
}
// bluring passes
GL_SetState( GLSTATE_NO_DEPTH_TEST|GLSTATE_SRCBLEND_ONE|GLSTATE_DSTBLEND_ONE_MINUS_SRC_COLOR );
if( r_bloom_diamond_size->integer > 7 || r_bloom_diamond_size->integer <= 3 )
{
if( r_bloom_diamond_size->integer != 8 )
Cvar_ForceSet( "r_bloom_diamond_size", "8" );
}
else if( r_bloom_diamond_size->integer > 5 )
{
if( r_bloom_diamond_size->integer != 6 )
Cvar_ForceSet( "r_bloom_diamond_size", "6" );
}
else if( r_bloom_diamond_size->integer > 3 )
{
if( r_bloom_diamond_size->integer != 4 )
Cvar_ForceSet( "r_bloom_diamond_size", "4" );
}
switch( r_bloom_diamond_size->integer )
{
case 4:
k = 2;
diamond = &Diamond4x[0][0];
scale = r_bloom_intensity->value * 0.8f;
break;
case 6:
k = 3;
diamond = &Diamond6x[0][0];
scale = r_bloom_intensity->value * 0.5f;
break;
default:
// case 8:
k = 4;
diamond = &Diamond8x[0][0];
scale = r_bloom_intensity->value * 0.3f;
break;
}
for( i = 0; i < r_bloom_diamond_size->integer; i++ )
{
for( j = 0; j < r_bloom_diamond_size->integer; j++, diamond++ )
{
intensity = *diamond * scale;
if( intensity < 0.01f )
continue;
qglColor4f( intensity, intensity, intensity, 1.0 );
R_Bloom_SamplePass( i - k, j - k );
}
}
qglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height );
// restore full screen workspace
GL_Scissor( 0, 0, glState.width, glState.height );
GL_Viewport( 0, 0, glState.width, glState.height );
qglMatrixMode( GL_PROJECTION );
qglLoadIdentity();
qglOrtho( 0, glState.width, glState.height, 0, -10, 100 );
qglMatrixMode( GL_MODELVIEW );
qglLoadIdentity();
}
/*
=================
R_Bloom_GeneratexDiamonds
=================
*/
static void R_Bloom_GeneratexDiamonds( void )
{
int i, j;
float intensity;
// set up sample size workspace
pglScissor( 0, 0, sample_width, sample_height );
pglViewport( 0, 0, sample_width, sample_height );
pglMatrixMode( GL_PROJECTION );
pglLoadIdentity();
pglOrtho( 0, sample_width, sample_height, 0, -10, 100 );
pglMatrixMode( GL_MODELVIEW );
pglLoadIdentity();
// copy small scene into r_bloomeffecttexture
GL_Bind( GL_TEXTURE0, r_bloomeffecttexture );
pglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height );
// start modifying the small scene corner
pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
pglEnable( GL_BLEND );
// darkening passes
if( r_bloom_darken->value )
{
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
pglBlendFunc( GL_DST_COLOR, GL_ZERO );
for( i = 0; i < (int)r_bloom_darken->value; i++ )
R_Bloom_SamplePass( 0, 0 );
pglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height );
}
// bluring passes
pglBlendFunc( GL_ONE, GL_ONE_MINUS_SRC_COLOR );
if( r_bloom_diamond_size->value > 7.0f || r_bloom_diamond_size->value <= 3.0f )
{
if( r_bloom_diamond_size->value != 8.0f )
CVAR_SET_FLOAT( "r_bloom_diamond_size", 8.0f );
for( i = 0; i < r_bloom_diamond_size->value; i++ )
{
for( j = 0; j < r_bloom_diamond_size->value; j++ )
{
intensity = r_bloom_intensity->value * 0.3f * Diamond8x[i][j];
if( intensity < 0.01f ) continue;
pglColor4f( intensity, intensity, intensity, 1.0f );
R_Bloom_SamplePass( i-4, j-4 );
}
}
}
else if( r_bloom_diamond_size->value > 5.0f )
{
if( r_bloom_diamond_size->value != 6.0f )
CVAR_SET_FLOAT( "r_bloom_diamond_size", 6.0f );
for( i = 0; i < r_bloom_diamond_size->value; i++ )
{
for( j = 0; j < r_bloom_diamond_size->value; j++ )
{
intensity = r_bloom_intensity->value * 0.5f * Diamond6x[i][j];
if( intensity < 0.01f ) continue;
pglColor4f( intensity, intensity, intensity, 1.0f );
R_Bloom_SamplePass( i-3, j-3 );
}
}
}
else if( r_bloom_diamond_size->value > 3.0f )
{
if( r_bloom_diamond_size->value != 4.0f )
CVAR_SET_FLOAT( "r_bloom_diamond_size", 4.0f );
for( i = 0; i < r_bloom_diamond_size->value; i++ )
{
for( j = 0; j < r_bloom_diamond_size->value; j++ )
{
intensity = r_bloom_intensity->value * 0.8f * Diamond4x[i][j];
if( intensity < 0.01f ) continue;
pglColor4f( intensity, intensity, intensity, 1.0f );
R_Bloom_SamplePass( i-2, j-2 );
}
}
}
pglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height );
// restore full screen workspace
pglScissor( 0, 0, glState.width, glState.height );
pglViewport( 0, 0, glState.width, glState.height );
pglMatrixMode( GL_PROJECTION );
pglLoadIdentity();
pglOrtho( 0, glState.width, glState.height, 0, -10, 100 );
pglMatrixMode( GL_MODELVIEW );
pglLoadIdentity();
}
/*
=================
R_Bloom_GeneratexDiamonds
=================
*/
void R_Bloom_GeneratexDiamonds( refdef_t *fd )
{
int i, j;
static float intensity;
//set up sample size workspace
qglViewport( 0, 0, sample_width, sample_height );
qglMatrixMode( GL_PROJECTION );
qglLoadIdentity ();
qglOrtho(0, sample_width, sample_height, 0, -10, 100);
qglMatrixMode( GL_MODELVIEW );
qglLoadIdentity ();
//copy small scene into r_bloomeffecttexture
GL_Bind(r_bloomeffecttexture->texnum);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
//start modifying the small scene corner
qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
GL_Enable(GL_BLEND);
//Com_Printf("%d %d\n", r_bloom_darken->value, fd->bloomdarken);
//darkening passes
if( r_bloom_darken->value )
{
GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
GL_TexEnv(GL_MODULATE);
for(i=0; i< r_bloom_darken->value ; i++) {
R_Bloom_SamplePass( 0, 0 );
}
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
}
//bluring passes
//GL_BlendFunc(GL_ONE, GL_ONE);
GL_BlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
if( r_bloom_diamond_size->value > 7 || r_bloom_diamond_size->value <= 3)
{
if( (int)r_bloom_diamond_size->value != 8 ) Cvar_SetValue( "r_bloom_diamond_size", 8 );
for(i=0; i<r_bloom_diamond_size->value; i++) {
for(j=0; j<r_bloom_diamond_size->value; j++) {
intensity = /*bc mod*/(fd->bloomintensity + r_bloom_intensity->value) * 0.3 * Diamond8x[i][j];
if( intensity < r_bloom_threshold->value ) continue;
qglColor4f( intensity, intensity, intensity, 1.0);
R_Bloom_SamplePass( i-4, j-4 );
}
}
} else if( r_bloom_diamond_size->value > 5 ) {
if( r_bloom_diamond_size->value != 6 ) Cvar_SetValue( "r_bloom_diamond_size", 6 );
for(i=0; i<r_bloom_diamond_size->value; i++) {
for(j=0; j<r_bloom_diamond_size->value; j++) {
intensity = /*bc mod*/(fd->bloomintensity + r_bloom_intensity->value) * 0.5 * Diamond6x[i][j];
if( intensity < r_bloom_threshold->value ) continue;
qglColor4f( intensity, intensity, intensity, 1.0);
R_Bloom_SamplePass( i-3, j-3 );
}
}
} else if( r_bloom_diamond_size->value > 3 ) {
if( (int)r_bloom_diamond_size->value != 4 ) Cvar_SetValue( "r_bloom_diamond_size", 4 );
for(i=0; i<r_bloom_diamond_size->value; i++) {
for(j=0; j<r_bloom_diamond_size->value; j++) {
intensity = /*bc mod*/(fd->bloomintensity + r_bloom_intensity->value) * 0.8f * Diamond4x[i][j];
if( intensity < r_bloom_threshold->value ) continue;
qglColor4f( intensity, intensity, intensity, 1.0);
R_Bloom_SamplePass( i-2, j-2 );
}
}
}
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
//restore full screen workspace
qglViewport( 0, 0, vid.width, vid.height );
qglMatrixMode( GL_PROJECTION );
qglLoadIdentity ();
qglOrtho(0, vid.width, vid.height, 0, -10, 100);
qglMatrixMode( GL_MODELVIEW );
qglLoadIdentity ();
}
