TessellationPredicates.h

#pragma once
#include "Base.h"
 
#define _USE_MATH_DEFINES
#include <glm/glm.hpp>
 
namespace Cogs::Core
{
  COGSCORE_DLL_API glm::vec2 localSphereRadiusInScreenSpace(const glm::mat4& localToClip,
                                                            const glm::mat4& clipToLocal,
                                                            const glm::vec4& clipPosition,
                                                            const float localRadius);
 
  COGSCORE_DLL_API float sphereSectorGeometricDistancePredicate(const glm::vec2 screenSpaceRadii,
                                                                const glm::vec2 viewportSize,
                                                                const float distancePixelTolerance,
                                                                const float minSectors,
                                                                const float maxSectors);
 
  COGSCORE_DLL_API float sphereSectorGeometricAreaPredicate(const glm::vec2 screenSpaceRadii,
                                                            const glm::vec2 viewportSize,
                                                            const float areaPixelTolerance,
                                                            const float minSectors,
                                                            const float maxSectors);
 
}