/*
================
idGuiModel::EmitFullScreen
Creates a view that covers the screen and emit the surfaces
================
*/
void idGuiModel::EmitFullScreen( void ) {
viewDef_t *viewDef;
if( surfaces[0].numVerts == 0 ) {
return;
}
viewDef = ( viewDef_t * )R_ClearedFrameAlloc( sizeof( *viewDef ) );
// for gui editor
if( !tr.viewDef || !tr.viewDef->isEditor ) {
viewDef->renderView.x = 0;
viewDef->renderView.y = 0;
viewDef->renderView.width = SCREEN_WIDTH;
viewDef->renderView.height = SCREEN_HEIGHT;
tr.RenderViewToViewport( &viewDef->renderView, &viewDef->viewport );
viewDef->scissor.x1 = 0;
viewDef->scissor.y1 = 0;
viewDef->scissor.x2 = viewDef->viewport.x2 - viewDef->viewport.x1;
viewDef->scissor.y2 = viewDef->viewport.y2 - viewDef->viewport.y1;
} else {
viewDef->renderView.x = tr.viewDef->renderView.x;
viewDef->renderView.y = tr.viewDef->renderView.y;
viewDef->renderView.width = tr.viewDef->renderView.width;
viewDef->renderView.height = tr.viewDef->renderView.height;
viewDef->viewport.x1 = tr.viewDef->renderView.x;
viewDef->viewport.x2 = tr.viewDef->renderView.x + tr.viewDef->renderView.width;
viewDef->viewport.y1 = tr.viewDef->renderView.y;
viewDef->viewport.y2 = tr.viewDef->renderView.y + tr.viewDef->renderView.height;
viewDef->scissor.x1 = tr.viewDef->scissor.x1;
viewDef->scissor.y1 = tr.viewDef->scissor.y1;
viewDef->scissor.x2 = tr.viewDef->scissor.x2;
viewDef->scissor.y2 = tr.viewDef->scissor.y2;
}
viewDef->floatTime = tr.frameShaderTime;
// glOrtho( 0, 640, 480, 0, 0, 1 ); // always assume 640x480 virtual coordinates
viewDef->projectionMatrix[0] = 2.0f / 640.0f;
viewDef->projectionMatrix[5] = -2.0f / 480.0f;
viewDef->projectionMatrix[10] = -2.0f / 1.0f;
viewDef->projectionMatrix[12] = -1.0f;
viewDef->projectionMatrix[13] = 1.0f;
viewDef->projectionMatrix[14] = -1.0f;
viewDef->projectionMatrix[15] = 1.0f;
viewDef->worldSpace.modelViewMatrix[0] = 1.0f;
viewDef->worldSpace.modelViewMatrix[5] = 1.0f;
viewDef->worldSpace.modelViewMatrix[10] = 1.0f;
viewDef->worldSpace.modelViewMatrix[15] = 1.0f;
viewDef->maxDrawSurfs = surfaces.Num();
viewDef->drawSurfs = ( drawSurf_t ** )R_FrameAlloc( viewDef->maxDrawSurfs * sizeof( viewDef->drawSurfs[0] ) );
viewDef->numDrawSurfs = 0;
viewDef_t *oldViewDef = tr.viewDef;
tr.viewDef = viewDef;
// add the surfaces to this view
for( int i = 0 ; i < surfaces.Num() ; i++ ) {
EmitSurface( &surfaces[i], viewDef->worldSpace.modelMatrix, viewDef->worldSpace.modelViewMatrix, false );
}
tr.viewDef = oldViewDef;
// add the command to draw this view
R_AddDrawViewCmd( viewDef );
}
/*
================
R_RenderView
A view may be either the actual camera view,
a mirror / remote location, or a 3D view on a gui surface.
Parms will typically be allocated with R_FrameAlloc
================
*/
void R_RenderView( viewDef_t *parms ) {
viewDef_t *oldView;
if ( parms->renderView.width <= 0 || parms->renderView.height <= 0 ) {
return;
}
tr.viewCount++;
// save view in case we are a subview
oldView = tr.viewDef;
tr.viewDef = parms;
tr.sortOffset = 0;
// set the matrix for world space to eye space
R_SetViewMatrix( tr.viewDef );
// the four sides of the view frustum are needed
// for culling and portal visibility
R_SetupViewFrustum();
// we need to set the projection matrix before doing
// portal-to-screen scissor box calculations
R_SetupProjection();
// identify all the visible portalAreas, and the entityDefs and
// lightDefs that are in them and pass culling.
static_cast<idRenderWorldLocal *>(parms->renderWorld)->FindViewLightsAndEntities();
// constrain the view frustum to the view lights and entities
R_ConstrainViewFrustum();
// make sure that interactions exist for all light / entity combinations
// that are visible
// add any pre-generated light shadows, and calculate the light shader values
R_AddLightSurfaces();
// adds ambient surfaces and create any necessary interaction surfaces to add to the light
// lists
R_AddModelSurfaces();
// any viewLight that didn't have visible surfaces can have it's shadows removed
R_RemoveUnecessaryViewLights();
// sort all the ambient surfaces for translucency ordering
R_SortDrawSurfs();
// generate any subviews (mirrors, cameras, etc) before adding this view
if ( R_GenerateSubViews() ) {
// if we are debugging subviews, allow the skipping of the
// main view draw
if ( r_subviewOnly.GetBool() ) {
return;
}
}
// write everything needed to the demo file
if ( session->writeDemo ) {
static_cast<idRenderWorldLocal *>(parms->renderWorld)->WriteVisibleDefs( tr.viewDef );
}
// add the rendering commands for this viewDef
R_AddDrawViewCmd( parms );
// restore view in case we are a subview
tr.viewDef = oldView;
}
/*
================
R_RenderView
A view may be either the actual camera view,
a mirror / remote location, or a 3D view on a gui surface.
Parms will typically be allocated with R_FrameAlloc
================
*/
void R_RenderView( viewDef_t *parms ) {
// save view in case we are a subview
viewDef_t * oldView = tr.viewDef;
tr.viewDef = parms;
// setup the matrix for world space to eye space
R_SetupViewMatrix( tr.viewDef );
// we need to set the projection matrix before doing
// portal-to-screen scissor calculations
R_SetupProjectionMatrix( tr.viewDef );
// setup render matrices for faster culling
idRenderMatrix::Transpose( *(idRenderMatrix *)tr.viewDef->projectionMatrix, tr.viewDef->projectionRenderMatrix );
idRenderMatrix viewRenderMatrix;
idRenderMatrix::Transpose( *(idRenderMatrix *)tr.viewDef->worldSpace.modelViewMatrix, viewRenderMatrix );
idRenderMatrix::Multiply( tr.viewDef->projectionRenderMatrix, viewRenderMatrix, tr.viewDef->worldSpace.mvp );
// the planes of the view frustum are needed for portal visibility culling
idRenderMatrix::GetFrustumPlanes( tr.viewDef->frustum, tr.viewDef->worldSpace.mvp, false, true );
// the DOOM 3 frustum planes point outside the frustum
for ( int i = 0; i < 6; i++ ) {
tr.viewDef->frustum[i] = - tr.viewDef->frustum[i];
}
// remove the Z-near to avoid portals from being near clipped
tr.viewDef->frustum[4][3] -= r_znear.GetFloat();
// identify all the visible portal areas, and create view lights and view entities
// for all the the entityDefs and lightDefs that are in the visible portal areas
static_cast<idRenderWorldLocal *>(parms->renderWorld)->FindViewLightsAndEntities();
// wait for any shadow volume jobs from the previous frame to finish
tr.frontEndJobList->Wait();
// make sure that interactions exist for all light / entity combinations that are visible
// add any pre-generated light shadows, and calculate the light shader values
R_AddLights();
// adds ambient surfaces and create any necessary interaction surfaces to add to the light lists
R_AddModels();
// build up the GUIs on world surfaces
R_AddInGameGuis( tr.viewDef->drawSurfs, tr.viewDef->numDrawSurfs );
// any viewLight that didn't have visible surfaces can have it's shadows removed
R_OptimizeViewLightsList();
// sort all the ambient surfaces for translucency ordering
R_SortDrawSurfs( tr.viewDef->drawSurfs, tr.viewDef->numDrawSurfs );
// generate any subviews (mirrors, cameras, etc) before adding this view
if ( R_GenerateSubViews( tr.viewDef->drawSurfs, tr.viewDef->numDrawSurfs ) ) {
// if we are debugging subviews, allow the skipping of the main view draw
if ( r_subviewOnly.GetBool() ) {
return;
}
}
// write everything needed to the demo file
if ( common->WriteDemo() ) {
static_cast<idRenderWorldLocal *>(parms->renderWorld)->WriteVisibleDefs( tr.viewDef );
}
// add the rendering commands for this viewDef
R_AddDrawViewCmd( parms, false );
// restore view in case we are a subview
tr.viewDef = oldView;
}
/*
================
idGuiModel::EmitFullScreen
Creates a view that covers the screen and emit the surfaces
================
*/
void idGuiModel::EmitFullScreen()
{
if( surfaces[0].numIndexes == 0 )
{
return;
}
SCOPED_PROFILE_EVENT( "Gui::EmitFullScreen" );
viewDef_t* viewDef = ( viewDef_t* )R_ClearedFrameAlloc( sizeof( *viewDef ), FRAME_ALLOC_VIEW_DEF );
viewDef->is2Dgui = true;
tr.GetCroppedViewport( &viewDef->viewport );
bool stereoEnabled = ( renderSystem->GetStereo3DMode() != STEREO3D_OFF );
if( stereoEnabled )
{
const float screenSeparation = GetScreenSeparationForGuis();
// this will be negated on the alternate eyes, both rendered each frame
viewDef->renderView.stereoScreenSeparation = screenSeparation;
extern idCVar stereoRender_swapEyes;
viewDef->renderView.viewEyeBuffer = 0; // render to both buffers
if( stereoRender_swapEyes.GetBool() )
{
viewDef->renderView.stereoScreenSeparation = -screenSeparation;
}
}
viewDef->scissor.x1 = 0;
viewDef->scissor.y1 = 0;
viewDef->scissor.x2 = viewDef->viewport.x2 - viewDef->viewport.x1;
viewDef->scissor.y2 = viewDef->viewport.y2 - viewDef->viewport.y1;
viewDef->projectionMatrix[0 * 4 + 0] = 2.0f / renderSystem->GetVirtualWidth();
viewDef->projectionMatrix[0 * 4 + 1] = 0.0f;
viewDef->projectionMatrix[0 * 4 + 2] = 0.0f;
viewDef->projectionMatrix[0 * 4 + 3] = 0.0f;
viewDef->projectionMatrix[1 * 4 + 0] = 0.0f;
viewDef->projectionMatrix[1 * 4 + 1] = -2.0f / renderSystem->GetVirtualHeight();
viewDef->projectionMatrix[1 * 4 + 2] = 0.0f;
viewDef->projectionMatrix[1 * 4 + 3] = 0.0f;
viewDef->projectionMatrix[2 * 4 + 0] = 0.0f;
viewDef->projectionMatrix[2 * 4 + 1] = 0.0f;
viewDef->projectionMatrix[2 * 4 + 2] = -2.0f;
viewDef->projectionMatrix[2 * 4 + 3] = 0.0f;
viewDef->projectionMatrix[3 * 4 + 0] = -1.0f;
viewDef->projectionMatrix[3 * 4 + 1] = 1.0f;
viewDef->projectionMatrix[3 * 4 + 2] = -1.0f;
viewDef->projectionMatrix[3 * 4 + 3] = 1.0f;
// make a tech5 renderMatrix for faster culling
idRenderMatrix::Transpose( *( idRenderMatrix* )viewDef->projectionMatrix, viewDef->projectionRenderMatrix );
viewDef->worldSpace.modelMatrix[0 * 4 + 0] = 1.0f;
viewDef->worldSpace.modelMatrix[1 * 4 + 1] = 1.0f;
viewDef->worldSpace.modelMatrix[2 * 4 + 2] = 1.0f;
viewDef->worldSpace.modelMatrix[3 * 4 + 3] = 1.0f;
viewDef->worldSpace.modelViewMatrix[0 * 4 + 0] = 1.0f;
viewDef->worldSpace.modelViewMatrix[1 * 4 + 1] = 1.0f;
viewDef->worldSpace.modelViewMatrix[2 * 4 + 2] = 1.0f;
viewDef->worldSpace.modelViewMatrix[3 * 4 + 3] = 1.0f;
viewDef->maxDrawSurfs = surfaces.Num();
viewDef->drawSurfs = ( drawSurf_t** )R_FrameAlloc( viewDef->maxDrawSurfs * sizeof( viewDef->drawSurfs[0] ), FRAME_ALLOC_DRAW_SURFACE_POINTER );
viewDef->numDrawSurfs = 0;
#if 1
// RB: give renderView the current time to calculate 2D shader effects
int shaderTime = tr.frameShaderTime * 1000; //Sys_Milliseconds();
viewDef->renderView.time[0] = shaderTime;
viewDef->renderView.time[1] = shaderTime;
// RB end
#endif
viewDef_t* oldViewDef = tr.viewDef;
tr.viewDef = viewDef;
EmitSurfaces( viewDef->worldSpace.modelMatrix, viewDef->worldSpace.modelViewMatrix,
false /* depthHack */ , stereoEnabled /* stereoDepthSort */, false /* link as entity */ );
tr.viewDef = oldViewDef;
// add the command to draw this view
R_AddDrawViewCmd( viewDef, true );
}
