C++ (Cpp) GLimp_DeactivateContext Examples

Example #1

File: tr_render.cpp Project: 0culus/Doom3-for-MacOSX-

/*
=============
RB_DrawView
=============
*/
void RB_DrawView( const void *data ) {
	const drawSurfsCommand_t	*cmd;

	cmd = (const drawSurfsCommand_t *)data;

	backEnd.viewDef = cmd->viewDef;
	
	// we will need to do a new copyTexSubImage of the screen
	// when a SS_POST_PROCESS material is used
	backEnd.currentRenderCopied = false;

	// if there aren't any drawsurfs, do nothing
	if ( !backEnd.viewDef->numDrawSurfs ) {
		return;
	}

	// skip render bypasses everything that has models, assuming
	// them to be 3D views, but leaves 2D rendering visible
	if ( r_skipRender.GetBool() && backEnd.viewDef->viewEntitys ) {
		return;
	}

	// skip render context sets the wgl context to NULL,
	// which should factor out the API cost, under the assumption
	// that all gl calls just return if the context isn't valid
	if ( r_skipRenderContext.GetBool() && backEnd.viewDef->viewEntitys ) {
		GLimp_DeactivateContext();
	}

	backEnd.pc.c_surfaces += backEnd.viewDef->numDrawSurfs;

	RB_ShowOverdraw();

	// render the scene, jumping to the hardware specific interaction renderers
	RB_STD_DrawView();

	// restore the context for 2D drawing if we were stubbing it out
	if ( r_skipRenderContext.GetBool() && backEnd.viewDef->viewEntitys ) {
		GLimp_ActivateContext();
		RB_SetDefaultGLState();
	}
}

Example #2

File: tr_render.cpp Project: RobertBeckebans/Sikkpin-Breadcrumps-src

/*
=============
RB_DrawSSAOView
=============
*/
void RB_DrawSSAOView( const void *data ) {
	const drawSurfsCommand_t	*cmd;

	cmd = (const drawSurfsCommand_t *)data;

	backEnd.viewDef = cmd->viewDef;

	// we will need to do a new copyTexSubImage of the screen
	// when a SS_POST_PROCESS material is used
	backEnd.currentRenderCopied = false;

	// if there aren't any drawsurfs, do nothing
	if ( !backEnd.viewDef->numDrawSurfs ) {
		return;
	}

	// skip render bypasses everything that has models, assuming
	// them to be 3D views, but leaves 2D rendering visible
	if ( r_skipRender.GetBool() && backEnd.viewDef->viewEntitys ) {
		return;
	}

	// skip render context sets the wgl context to NULL,
	// which should factor out the API cost, under the assumption
	// that all gl calls just return if the context isn't valid
	if ( r_skipRenderContext.GetBool() && backEnd.viewDef->viewEntitys ) {
		GLimp_DeactivateContext();
	}

	backEnd.pc.c_surfaces += backEnd.viewDef->numDrawSurfs;

//	RB_ShowOverdraw();

	// render the scene, jumping to the hardware specific interaction renderers
//	RB_STD_DrawView();
	drawSurf_t	 **drawSurfs;
	int			numDrawSurfs;

	RB_LogComment( "---------- RB_STD_DrawView ----------\n" );

	backEnd.depthFunc = GLS_DEPTHFUNC_EQUAL;

	drawSurfs = (drawSurf_t **)&backEnd.viewDef->drawSurfs[0];
	numDrawSurfs = backEnd.viewDef->numDrawSurfs;

	// clear the z buffer, set the projection matrix, etc
	RB_BeginDrawingView();

	// decide how much overbrighting we are going to do
	//RB_DetermineLightScale();

	// fill the depth buffer and clear color buffer to black except on
	// subviews
	RB_STD_FillDepthBuffer( drawSurfs, numDrawSurfs );

// ---> sikk - copy of current depth buffer
	globalImages->currentDepthImage->CopyDepthbuffer( backEnd.viewDef->viewport.x1, backEnd.viewDef->viewport.y1, 
		backEnd.viewDef->viewport.x2 - backEnd.viewDef->viewport.x1 + 1,
		backEnd.viewDef->viewport.y2 - backEnd.viewDef->viewport.y1 + 1 );
// <--- sikk - copy of current depth buffer
		
// restore the context for 2D drawing if we were stubbing it out
	if ( r_skipRenderContext.GetBool() && backEnd.viewDef->viewEntitys ) {
		GLimp_ActivateContext();
		RB_SetDefaultGLState();
	}
}