/*
===============
R_BeginFrame
===============
*/
void R_BeginFrame( qboolean clearScene )
{
glConfig.softwareGammaUpdate = false; // in case of possible fails
if(( gl_clear->integer || gl_overview->integer ) && clearScene && cls.state != ca_cinematic )
{
pglClear( GL_COLOR_BUFFER_BIT );
}
// update gamma
if( vid_gamma->modified )
{
glConfig.softwareGammaUpdate = true;
BuildGammaTable( vid_gamma->value, vid_texgamma->value );
GL_RebuildLightmaps();
glConfig.softwareGammaUpdate = false;
vid_gamma->modified = false;
}
R_Set2DMode( true );
// draw buffer stuff
pglDrawBuffer( GL_BACK );
// texturemode stuff
// update texture parameters
if( gl_texturemode->modified || gl_texture_anisotropy->modified || gl_texture_lodbias ->modified )
R_SetTextureParameters();
// swapinterval stuff
GL_UpdateSwapInterval();
CL_ExtraUpdate ();
}
/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
//qglClearColor (1,0, 0.5 , 0.5); // NeVo - f*****g ugly color!
qglClearColor (0,0,0,1); // NeVo - clear to black
qglCullFace(GL_FRONT);
qglEnable(GL_TEXTURE_2D);
qglEnable(GL_ALPHA_TEST);
qglAlphaFunc(GL_GREATER, 0.666);
qglDisable (GL_DEPTH_TEST);
qglDisable (GL_CULL_FACE);
qglDisable (GL_BLEND);
qglColor4f (1,1,1,1);
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
qglShadeModel (GL_FLAT);
GL_TextureMode( gl_texturemode->string );
GL_TextureAlphaMode( gl_texturealphamode->string );
GL_TextureSolidMode( gl_texturesolidmode->string );
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max);
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_TexEnv( GL_REPLACE );
if ( qglPointParameterfEXT )
{
float attenuations[3];
attenuations[0] = gl_particle_att_a->value;
attenuations[1] = gl_particle_att_b->value;
attenuations[2] = gl_particle_att_c->value;
qglEnable( GL_POINT_SMOOTH );
qglPointParameterfEXT( GL_POINT_SIZE_MIN_EXT, gl_particle_min_size->value );
qglPointParameterfEXT( GL_POINT_SIZE_MAX_EXT, gl_particle_max_size->value );
qglPointParameterfvEXT( GL_DISTANCE_ATTENUATION_EXT, attenuations );
}
if ( qglColorTableEXT && gl_ext_palettedtexture->value )
{
qglEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
GL_SetTexturePalette( d_8to24table );
}
GL_UpdateSwapInterval();
}
/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
qglClearColor (1.0f, 0.0f, 0.5f, 0.5f);
qglCullFace(GL_FRONT);
qglEnable(GL_TEXTURE_2D);
qglEnable(GL_ALPHA_TEST);
qglAlphaFunc(GL_GREATER, 0.666f);
qglDisable (GL_DEPTH_TEST);
qglDisable (GL_CULL_FACE);
qglDisable (GL_BLEND);
qglColor4fv(colorWhite);
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
qglShadeModel (GL_FLAT);
GL_TextureMode( gl_texturemode->string );
GL_TextureAlphaMode( gl_texturealphamode->string );
GL_TextureSolidMode( gl_texturesolidmode->string );
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_TexEnv( GL_REPLACE );
if ( qglPointParameterfEXT && FLOAT_NE_ZERO(gl_ext_pointparameters->value))
{
float attenuations[3];
attenuations[0] = gl_particle_att_a->value;
attenuations[1] = gl_particle_att_b->value;
attenuations[2] = gl_particle_att_c->value;
qglEnable( GL_POINT_SMOOTH );
qglPointParameterfEXT( GL_POINT_SIZE_MIN_EXT, gl_particle_min_size->value );
qglPointParameterfEXT( GL_POINT_SIZE_MAX_EXT, gl_particle_max_size->value );
qglPointParameterfvEXT( GL_DISTANCE_ATTENUATION_EXT, attenuations );
}
gl_swapinterval->modified = true;
GL_UpdateSwapInterval();
}
/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
glClearColor (1.0f, 0.0f, 0.5f, 0.5f);
glCullFace(GL_FRONT);
qglEnable(GL_TEXTURE_2D);
qglEnable(GL_ALPHA_TEST);
qglAlphaFunc(GL_GREATER, 0.666f);
qglDisable (GL_DEPTH_TEST);
qglDisable (GL_CULL_FACE);
qglDisable (GL_BLEND);
qglColor4f(colorWhite[0], colorWhite[1], colorWhite[2], colorWhite[3]);
GL_TextureMode( gl_texturemode->string );
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_TexEnv(GL_TEXTURE0, GL_REPLACE);
gl_swapinterval->modified = true;
GL_UpdateSwapInterval();
}
