private void ClearBackground(uint cx, uint cy)
{
GSEffect solid = Obs.GetSolidEffect();
solid.SetParameterValue("color", new Vector4(0.0f, 0.0f, 0.0f, 1.0f));
GSEffectTechnique tech = solid.GetTechnique("Solid");
GS.TechniqueBegin(tech);
GS.TechniqueBeginPass(tech, 0);
GS.MatrixPush();
GS.MatrixIdentity();
GS.MatrixScale3f((float)cx, (float)cy, 1.0f);
GS.LoadVertexBuffer(boxPrimitive);
//draw solid black color over the scene
GS.Draw(GSDrawMode.TrisStrip, 0, 0);
GS.MatrixPop();
GS.TechniqueEndPass(tech);
GS.TechniqueEnd(tech);
GS.LoadVertexBuffer(null);
}
private void RenderSceneEditing(IntPtr data)
{
if (scene == null)
{
return;
}
// draw selection outlines
GSEffect solid = Obs.GetSolidEffect();
solid.SetParameterValue("color", new Vector4(1.0f, 1.0f, 1.0f, 0.6f));
GSEffectTechnique tech = solid.GetTechnique("Solid");
GS.TechniqueBegin(tech);
GS.TechniqueBeginPass(tech, 0);
scene.EnumItems(DrawSelectedItem, data);
GS.TechniqueEndPass(tech);
GS.TechniqueEnd(tech);
// hover outlines
solid.SetParameterValue("color", new Vector4(1.0f, 1.0f, 1.0f, 0.40f));
tech = solid.GetTechnique("Solid");
GS.TechniqueBegin(tech);
GS.TechniqueBeginPass(tech, 0);
if (hoveredItem != null)
{
DrawHoveredItem(scene, hoveredItem, data);
}
GS.TechniqueEndPass(tech);
GS.TechniqueEnd(tech);
GS.LoadVertexBuffer(null);
}