C++ (Cpp) EmitSurfaces Examples

Example #1

File: GuiModel.cpp Project: PJayB/DOOM-3-BFG-DX11

/*
====================
EmitToCurrentView
====================
*/
void idGuiModel::EmitToCurrentView( float modelMatrix[16], bool depthHack ) {
	float	modelViewMatrix[16];

	R_MatrixMultiply( modelMatrix, tr.viewDef->worldSpace.modelViewMatrix, modelViewMatrix );

	EmitSurfaces( modelMatrix, modelViewMatrix, depthHack, false /* stereoDepthSort */, true /* link as entity */ );
}

Example #2

File: GuiModel.cpp Project: Yetta1/OpenTechBFG

/*
================
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 );
}