/*
@@@@@@@@@@@@@@@@@@@@@
RE_RenderScene
Draw a 3D view into a part of the window, then return
to 2D drawing.
Rendering a scene may require multiple views to be rendered
to handle mirrors,
@@@@@@@@@@@@@@@@@@@@@
*/
void RE_RenderScene( const refdef_t *fd ) {
viewParms_t parms;
int startTime;
if ( !tr.registered ) {
return;
}
GLimp_LogComment( "====== RE_RenderScene =====\n" );
if ( r_norefresh->integer ) {
return;
}
startTime = ri.RealMilliseconds();
if (!tr.world && !( fd->rdflags & RDF_NOWORLDMODEL ) ) {
ri.Error (ERR_DROP, "R_RenderScene: NULL worldmodel");
}
RE_BeginScene(fd);
// SmileTheory: playing with shadow mapping
if (!( fd->rdflags & RDF_NOWORLDMODEL ) && tr.refdef.num_dlights && r_dlightMode->integer >= 2)
{
R_RenderDlightCubemaps(fd);
}
/* playing with more shadows */
if(glRefConfig.framebufferObject && !( fd->rdflags & RDF_NOWORLDMODEL ) && r_shadows->integer == 4)
{
R_RenderPshadowMaps(fd);
}
// playing with even more shadows
if(glRefConfig.framebufferObject && r_sunlightMode->integer && !( fd->rdflags & RDF_NOWORLDMODEL ) && (r_forceSun->integer || tr.sunShadows))
{
if (r_shadowCascadeZFar->integer != 0)
{
R_RenderSunShadowMaps(fd, 0);
R_RenderSunShadowMaps(fd, 1);
R_RenderSunShadowMaps(fd, 2);
}
else
{
Mat4Zero(tr.refdef.sunShadowMvp[0]);
Mat4Zero(tr.refdef.sunShadowMvp[1]);
Mat4Zero(tr.refdef.sunShadowMvp[2]);
}
// only rerender last cascade if sun has changed position
if (r_forceSun->integer == 2 || !VectorCompare(tr.refdef.sunDir, tr.lastCascadeSunDirection))
{
VectorCopy(tr.refdef.sunDir, tr.lastCascadeSunDirection);
R_RenderSunShadowMaps(fd, 3);
Mat4Copy(tr.refdef.sunShadowMvp[3], tr.lastCascadeSunMvp);
}
else
{
Mat4Copy(tr.lastCascadeSunMvp, tr.refdef.sunShadowMvp[3]);
}
}
// playing with cube maps
// this is where dynamic cubemaps would be rendered
if (0) //(glRefConfig.framebufferObject && !( fd->rdflags & RDF_NOWORLDMODEL ))
{
int i, j;
for (i = 0; i < tr.numCubemaps; i++)
{
for (j = 0; j < 6; j++)
{
R_RenderCubemapSide(i, j, qtrue);
}
}
}
// setup view parms for the initial view
//
// set up viewport
// The refdef takes 0-at-the-top y coordinates, so
// convert to GL's 0-at-the-bottom space
//
Com_Memset( &parms, 0, sizeof( parms ) );
parms.viewportX = tr.refdef.x;
parms.viewportY = glConfig.vidHeight - ( tr.refdef.y + tr.refdef.height );
parms.viewportWidth = tr.refdef.width;
parms.viewportHeight = tr.refdef.height;
parms.isPortal = qfalse;
parms.fovX = tr.refdef.fov_x;
parms.fovY = tr.refdef.fov_y;
parms.stereoFrame = tr.refdef.stereoFrame;
VectorCopy( fd->vieworg, parms.or.origin );
VectorCopy( fd->viewaxis[0], parms.or.axis[0] );
VectorCopy( fd->viewaxis[1], parms.or.axis[1] );
VectorCopy( fd->viewaxis[2], parms.or.axis[2] );
VectorCopy( fd->vieworg, parms.pvsOrigin );
if(!( fd->rdflags & RDF_NOWORLDMODEL ) && r_depthPrepass->value && ((r_forceSun->integer) || tr.sunShadows))
{
parms.flags = VPF_USESUNLIGHT;
}
R_RenderView( &parms );
if(!( fd->rdflags & RDF_NOWORLDMODEL ))
R_AddPostProcessCmd();
RE_EndScene();
tr.frontEndMsec += ri.RealMilliseconds() - startTime;
}
/*
@@@@@@@@@@@@@@@@@@@@@
RE_RenderScene
Draw a 3D view into a part of the window, then return
to 2D drawing.
Rendering a scene may require multiple views to be rendered
to handle mirrors,
@@@@@@@@@@@@@@@@@@@@@
*/
void RE_RenderScene( const refdef_t *fd ) {
viewParms_t parms;
int startTime;
if ( !tr.registered ) {
return;
}
GLimp_LogComment( "====== RE_RenderScene =====\n" );
if ( r_norefresh->integer ) {
return;
}
startTime = ri.Milliseconds();
if (!tr.world && !( fd->rdflags & RDF_NOWORLDMODEL ) ) {
ri.Error (ERR_DROP, "R_RenderScene: NULL worldmodel");
}
Com_Memcpy( tr.refdef.text, fd->text, sizeof( tr.refdef.text ) );
tr.refdef.x = fd->x;
tr.refdef.y = fd->y;
tr.refdef.width = fd->width;
tr.refdef.height = fd->height;
tr.refdef.fov_x = fd->fov_x;
tr.refdef.fov_y = fd->fov_y;
VectorCopy( fd->vieworg, tr.refdef.vieworg );
VectorCopy( fd->viewaxis[0], tr.refdef.viewaxis[0] );
VectorCopy( fd->viewaxis[1], tr.refdef.viewaxis[1] );
VectorCopy( fd->viewaxis[2], tr.refdef.viewaxis[2] );
tr.refdef.time = fd->time;
tr.refdef.rdflags = fd->rdflags;
// copy the areamask data over and note if it has changed, which
// will force a reset of the visible leafs even if the view hasn't moved
tr.refdef.areamaskModified = qfalse;
if ( ! (tr.refdef.rdflags & RDF_NOWORLDMODEL) ) {
int areaDiff;
int i;
// compare the area bits
areaDiff = 0;
for (i = 0 ; i < MAX_MAP_AREA_BYTES/4 ; i++) {
areaDiff |= ((int *)tr.refdef.areamask)[i] ^ ((int *)fd->areamask)[i];
((int *)tr.refdef.areamask)[i] = ((int *)fd->areamask)[i];
}
if ( areaDiff ) {
// a door just opened or something
tr.refdef.areamaskModified = qtrue;
}
}
tr.refdef.sunDir[3] = 0.0f;
tr.refdef.sunCol[3] = 1.0f;
tr.refdef.sunAmbCol[3] = 1.0f;
VectorCopy(tr.sunDirection, tr.refdef.sunDir);
if ( (tr.refdef.rdflags & RDF_NOWORLDMODEL) || !(r_depthPrepass->value) ){
tr.refdef.colorScale = 1.0f;
VectorSet(tr.refdef.sunCol, 0, 0, 0);
VectorSet(tr.refdef.sunAmbCol, 0, 0, 0);
}
else if (r_forceSun->integer == 1)
{
float scale = pow(2, r_mapOverBrightBits->integer - tr.overbrightBits - 8);
tr.refdef.colorScale = r_forceSunMapLightScale->value;
VectorScale(tr.sunLight, scale * r_forceSunLightScale->value, tr.refdef.sunCol);
VectorScale(tr.sunLight, scale * r_forceSunAmbientScale->value, tr.refdef.sunAmbCol);
}
else
{
float scale = pow(2, r_mapOverBrightBits->integer - tr.overbrightBits - 8);
tr.refdef.colorScale = tr.mapLightScale;
VectorScale(tr.sunLight, scale, tr.refdef.sunCol);
VectorScale(tr.sunAmbient, scale, tr.refdef.sunAmbCol);
}
if (r_forceAutoExposure->integer)
{
tr.refdef.autoExposureMinMax[0] = r_forceAutoExposureMin->value;
tr.refdef.autoExposureMinMax[1] = r_forceAutoExposureMax->value;
}
else
{
tr.refdef.autoExposureMinMax[0] = tr.autoExposureMinMax[0];
tr.refdef.autoExposureMinMax[1] = tr.autoExposureMinMax[1];
}
if (r_forceToneMap->integer)
{
tr.refdef.toneMinAvgMaxLinear[0] = pow(2, r_forceToneMapMin->value);
tr.refdef.toneMinAvgMaxLinear[1] = pow(2, r_forceToneMapAvg->value);
tr.refdef.toneMinAvgMaxLinear[2] = pow(2, r_forceToneMapMax->value);
}
else
{
tr.refdef.toneMinAvgMaxLinear[0] = pow(2, tr.toneMinAvgMaxLevel[0]);
tr.refdef.toneMinAvgMaxLinear[1] = pow(2, tr.toneMinAvgMaxLevel[1]);
tr.refdef.toneMinAvgMaxLinear[2] = pow(2, tr.toneMinAvgMaxLevel[2]);
}
// Makro - copy exta info if present
if (fd->rdflags & RDF_EXTRA) {
const refdefex_t* extra = (const refdefex_t*) (fd+1);
tr.refdef.blurFactor = extra->blurFactor;
if (fd->rdflags & RDF_SUNLIGHT)
{
VectorCopy(extra->sunDir, tr.refdef.sunDir);
VectorCopy(extra->sunCol, tr.refdef.sunCol);
VectorCopy(extra->sunAmbCol, tr.refdef.sunAmbCol);
}
}
else
{
tr.refdef.blurFactor = 0.0f;
}
// derived info
tr.refdef.floatTime = tr.refdef.time * 0.001f;
tr.refdef.numDrawSurfs = r_firstSceneDrawSurf;
tr.refdef.drawSurfs = backEndData->drawSurfs;
tr.refdef.num_entities = r_numentities - r_firstSceneEntity;
tr.refdef.entities = &backEndData->entities[r_firstSceneEntity];
tr.refdef.num_dlights = r_numdlights - r_firstSceneDlight;
tr.refdef.dlights = &backEndData->dlights[r_firstSceneDlight];
tr.refdef.numPolys = r_numpolys - r_firstScenePoly;
tr.refdef.polys = &backEndData->polys[r_firstScenePoly];
tr.refdef.num_pshadows = 0;
tr.refdef.pshadows = &backEndData->pshadows[0];
// turn off dynamic lighting globally by clearing all the
// dlights if it needs to be disabled or if vertex lighting is enabled
if ( r_dynamiclight->integer == 0 ||
r_vertexLight->integer == 1 ||
glConfig.hardwareType == GLHW_PERMEDIA2 ) {
tr.refdef.num_dlights = 0;
}
// a single frame may have multiple scenes draw inside it --
// a 3D game view, 3D status bar renderings, 3D menus, etc.
// They need to be distinguished by the light flare code, because
// the visibility state for a given surface may be different in
// each scene / view.
tr.frameSceneNum++;
tr.sceneCount++;
// SmileTheory: playing with shadow mapping
if (!( fd->rdflags & RDF_NOWORLDMODEL ) && tr.refdef.num_dlights && r_dlightMode->integer >= 2)
{
R_RenderDlightCubemaps(fd);
}
/* playing with more shadows */
if(glRefConfig.framebufferObject && !( fd->rdflags & RDF_NOWORLDMODEL ) && r_shadows->integer == 4)
{
R_RenderPshadowMaps(fd);
}
// playing with even more shadows
if(glRefConfig.framebufferObject && !( fd->rdflags & RDF_NOWORLDMODEL ) && (r_forceSun->integer || tr.sunShadows))
{
R_RenderSunShadowMaps(fd, 0);
R_RenderSunShadowMaps(fd, 1);
R_RenderSunShadowMaps(fd, 2);
}
// setup view parms for the initial view
//
// set up viewport
// The refdef takes 0-at-the-top y coordinates, so
// convert to GL's 0-at-the-bottom space
//
Com_Memset( &parms, 0, sizeof( parms ) );
parms.viewportX = tr.refdef.x;
parms.viewportY = glConfig.vidHeight - ( tr.refdef.y + tr.refdef.height );
parms.viewportWidth = tr.refdef.width;
parms.viewportHeight = tr.refdef.height;
parms.isPortal = qfalse;
parms.fovX = tr.refdef.fov_x;
parms.fovY = tr.refdef.fov_y;
parms.stereoFrame = tr.refdef.stereoFrame;
VectorCopy( fd->vieworg, parms.or.origin );
VectorCopy( fd->viewaxis[0], parms.or.axis[0] );
VectorCopy( fd->viewaxis[1], parms.or.axis[1] );
VectorCopy( fd->viewaxis[2], parms.or.axis[2] );
VectorCopy( fd->vieworg, parms.pvsOrigin );
if(!( fd->rdflags & RDF_NOWORLDMODEL ) && r_depthPrepass->value && ((r_forceSun->integer) || tr.sunShadows))
{
parms.flags = VPF_USESUNLIGHT;
}
R_RenderView( &parms );
if(!( fd->rdflags & RDF_NOWORLDMODEL ))
R_AddPostProcessCmd();
// the next scene rendered in this frame will tack on after this one
r_firstSceneDrawSurf = tr.refdef.numDrawSurfs;
r_firstSceneEntity = r_numentities;
r_firstSceneDlight = r_numdlights;
r_firstScenePoly = r_numpolys;
tr.frontEndMsec += ri.Milliseconds() - startTime;
}