PDGL_API void pdglTexEnvf(GLenum target, GLenum pname, GLfloat param)
{
if(pglTexEnvf)
{ pglTexEnvf(target, pname, param); return; }
pglTexEnvf=pdglGetProcAddress("glTexEnvf");
pglTexEnvf(target, pname, param);
}
// set texture modulation mode
static void ogl_SetTextureModulation( INDEX iScale)
{
// check consistency
ASSERT( _pGfx->gl_eCurrentAPI==GAT_OGL);
#ifndef NDEBUG
// check current modulation
GLint iRet;
pglGetTexEnviv( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &iRet);
ASSERT( (GFX_iTexModulation[GFX_iActiveTexUnit]==1 && iRet==GL_MODULATE)
|| (GFX_iTexModulation[GFX_iActiveTexUnit]==2 && iRet==GL_COMBINE_EXT));
OGL_CHECKERROR;
#endif
// cached?
ASSERT( iScale==1 || iScale==2);
if( GFX_iTexModulation[GFX_iActiveTexUnit]==iScale) return;
GFX_iTexModulation[GFX_iActiveTexUnit] = iScale;
_sfStats.StartTimer(CStatForm::STI_GFXAPI);
if( iScale==2) {
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
pglTexEnvi( GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
pglTexEnvf( GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 2.0f);
} else {
pglTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
} OGL_CHECKERROR;
_sfStats.StopTimer(CStatForm::STI_GFXAPI);
}
/*
===========
SCR_DrawNetGraph
===========
*/
void SCR_DrawNetGraph( void )
{
wrect_t rect;
float avg_ping;
int ping_count;
int w, x, y;
if( !host.developer )
return;
if( cls.state != ca_active )
return;
if( !net_graph->value )
return;
if( net_scale->value <= 0 )
Cvar_SetFloat( "net_scale", 0.1f );
NetGraph_GetScreenPos( &rect, &w, &x, &y );
NetGraph_GetFrameData( &avg_ping, &ping_count );
NetGraph_DrawTextFields( x, y, w, rect, ping_count, avg_ping, packet_loss, packet_choke );
if( net_graph->value < 3 )
{
pglEnable( GL_BLEND );
pglDisable( GL_TEXTURE_2D );
pglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
pglBlendFunc( GL_SRC_ALPHA, GL_ONE );
pglBegin( GL_QUADS ); // draw all the fills as a long solid sequence of quads for speedup reasons
// NOTE: fill colors without texture at this point
NetGraph_DrawDataUsage( x, y, w );
NetGraph_DrawTimes( rect, x, w );
pglEnd();
pglColor4ub( 255, 255, 255, 255 );
pglEnable( GL_TEXTURE_2D );
pglDisable( GL_BLEND );
}
}
/*
=================
R_BloomBlend
=================
*/
void R_BloomBlend( const ref_params_t *fd )
{
if( !r_bloom->value )
return;
if( !BLOOM_SIZE )
R_Bloom_InitTextures();
if( screen_texture_width < BLOOM_SIZE || screen_texture_height < BLOOM_SIZE )
return;
// set up 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();
pglDisable( GL_DEPTH_TEST );
pglDisable( GL_ALPHA_TEST );
pglDepthMask( GL_FALSE );
pglDisable( GL_BLEND );
GL_Cull( 0 );
pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
pglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
// set up current sizes
curView_x = fd->viewport[0];
curView_y = fd->viewport[1];
curView_width = fd->viewport[2];
curView_height = fd->viewport[3];
screenTex_tcw = ( (float)curView_width / (float)screen_texture_width );
screenTex_tch = ( (float)curView_height / (float)screen_texture_height );
if( curView_height > curView_width )
{
sampleText_tcw = ( (float)curView_width / (float)curView_height );
sampleText_tch = 1.0f;
}
else
{
sampleText_tcw = 1.0f;
sampleText_tch = ( (float)curView_height / (float)curView_width );
}
sample_width = ( BLOOM_SIZE * sampleText_tcw );
sample_height = ( BLOOM_SIZE * sampleText_tch );
// copy the screen space we'll use to work into the backup texture
GL_Bind( GL_TEXTURE0, r_bloombackuptexture );
pglCopyTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, 0, 0, r_screenbackuptexture_width * sampleText_tcw, r_screenbackuptexture_height * sampleText_tch );
// create the bloom image
R_Bloom_DownsampleView();
R_Bloom_GeneratexDiamonds();
pglDisable( GL_BLEND );
// restore the screen-backup to the screen
GL_Bind( GL_TEXTURE0, r_bloombackuptexture );
pglColor4f( 1, 1, 1, 1 );
R_Bloom_Quad( 0,
glState.height - (r_screenbackuptexture_height * sampleText_tch),
r_screenbackuptexture_width * sampleText_tcw,
r_screenbackuptexture_height * sampleText_tch,
sampleText_tcw, sampleText_tch );
pglScissor( RI.scissor[0], RI.scissor[1], RI.scissor[2], RI.scissor[3] );
R_Bloom_DrawEffect();
pglViewport( RI.viewport[0], RI.viewport[1], RI.viewport[2], RI.viewport[3] );
pglMatrixMode( GL_PROJECTION );
GL_LoadMatrix( RI.projectionMatrix );
pglMatrixMode( GL_MODELVIEW );
GL_LoadMatrix( RI.worldviewMatrix );
pglEnable( GL_DEPTH_TEST );
pglDepthMask( GL_TRUE );
pglDisable( GL_BLEND );
GL_Cull( GL_FRONT );
}
