Base GPU Sky Generator

class BaseGpuSkyGenerator

Public Functions

BaseGpuSkyGenerator()

virtual ~BaseGpuSkyGenerator()

void Reset()

inline bool GetEnabled() const

Whether this GPU sky generator should be used to calculate the sky.”)

inline void SetEnabled(bool v)

virtual void RestoreDeviceObjects(crossplatform::RenderPlatform*)

Platform-dependent function called when initializing the Sky Generator.

virtual void InvalidateDeviceObjects()

Platform-dependent function called when uninitializing the Sky Generator.

virtual void RecompileShaders()

Platform-dependent function to reload the shaders - only use this for debug purposes.

inline virtual void SetDirectTargets(crossplatform::Texture **loss, crossplatform::Texture **insc, crossplatform::Texture **skyl, crossplatform::StructuredBuffer<vec4, crossplatform::BufferUsageHint::ONCE> **brt, crossplatform::Texture *light_t)

inline virtual bool CanPerformGPUGeneration() const

Return true if the derived class can make sky tables using the GPU.

float GetBrightness(int cycled_index) const

virtual void MakeLossAndInscatterTextures(crossplatform::DeviceContext &deviceContext, float4 wavelengthsNm, int cycled_index, simul::sky::AtmosphericScatteringInterface *skyInterface, const GpuSkyParameters &gpuSkyParameters, const GpuSkyAtmosphereParameters &gpuSkyAtmosphereParameters, const GpuSkyInfraredParameters &gpuSkyInfraredParameters)

void MakeLossAndInscatterTextures(crossplatform::DeviceContext &deviceContext, sky::float4 wavelengthsNm, simul::sky::AtmosphericScatteringInterface *skyInterface, const sky::GpuSkyParameters &p, const sky::GpuSkyAtmosphereParameters &a, const sky::GpuSkyInfraredParameters &ir, int &texIndex, crossplatform::Texture *loss, crossplatform::Texture *insc, crossplatform::Texture *skyl, crossplatform::StructuredBuffer<vec4, crossplatform::BufferUsageHint::ONCE> *skyBrightness, int cycled_index)

inline crossplatform::Texture *GetOpticalDepthTexture()

inline crossplatform::Texture *GetDensityTexture()

struct GpuTexGenStats

Subclassed by simul::sky::GpuSkyParameters

Public Members

int numElevations

int numDistances

int numAltitudes

float min_alt_km

float max_alt_km

float max_distance_km

int fill_up_to_texels

unsigned keyframe_checksum

struct GpuMoon

Public Members

vec3 dir

float radius_radians

vec3 irradiance_factor

struct GpuPhysicalSkyParameters

Public Members

simul::sky::float4 sun_irradiance

simul::sky::float4 starlight

vec3 dir_to_sun

GpuMoon moons[10]

int num_moons

simul::sky::HazeStruct hazeStruct

simul::sky::float4 ozone

float sun_start_alt_km

float sun_radius_radians

struct GpuColourTextureSpec

Public Members

vec3 horizon

vec3 zenith

float interp

struct GpuSkyParameters : public simul::sky::GpuTexGenStats

Public Members

float blendToColours

float brightnessPower

GpuPhysicalSkyParameters physical

GpuColourTextureSpec colour

struct GpuSkyAtmosphereParameters

Public Members

const simul::sky::float4 *density_table

const simul::sky::float4 *optical_table

const simul::sky::float4 *blackbody_table

int table_size

float maxDensityAltKm

unsigned tables_checksum

float planet_radius_km

struct GpuSkyInfraredParameters

Public Members

float emissivity

float seaLevelTemperatureK