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layout(std140) uniform common_block
{
mat4 pastViewProjectionMatrix;
vec2 mipRatio[10]; /* To correct mip level texel misalignment */
/* Ambient Occlusion */
vec4 aoParameters[2];
/* Volumetric */
ivec4 volTexSize;
vec4 volDepthParameters; /* Parameters to the volume Z equation */
vec4 volInvTexSize;
vec4 volJitter;
vec4 volCoordScale; /* To convert volume uvs to screen uvs */
float volHistoryAlpha;
float volLightClamp;
float volShadowSteps;
bool volUseLights;
/* Screen Space Reflections */
vec4 ssrParameters;
float ssrBorderFac;
float ssrMaxRoughness;
float ssrFireflyFac;
float ssrBrdfBias;
bool ssrToggle;
bool ssrefractToggle;
/* SubSurface Scattering */
float sssJitterThreshold;
bool sssToggle;
/* Specular */
bool specToggle;
/* Lights */
int laNumLight;
/* Probes */
int prbNumPlanar;
int prbNumRenderCube;
int prbNumRenderGrid;
int prbIrradianceVisSize;
float prbIrradianceSmooth;
float prbLodCubeMax;
float prbLodPlanarMax;
/* Misc*/
int hizMipOffset;
int rayType;
float rayDepth;
float alphaHashOffset;
float alphaHashScale;
float pad7;
float pad8;
};
/* rayType (keep in sync with ray_type) */
#define EEVEE_RAY_CAMERA 0
#define EEVEE_RAY_SHADOW 1
#define EEVEE_RAY_DIFFUSE 2
#define EEVEE_RAY_GLOSSY 3
/* aoParameters */
#define aoDistance aoParameters[0].x
#define aoSamples aoParameters[0].y /* UNUSED */
#define aoFactor aoParameters[0].z
#define aoInvSamples aoParameters[0].w /* UNUSED */
#define aoOffset aoParameters[1].x /* UNUSED */
#define aoBounceFac aoParameters[1].y
#define aoQuality aoParameters[1].z
#define aoSettings aoParameters[1].w
/* ssrParameters */
#define ssrQuality ssrParameters.x
#define ssrThickness ssrParameters.y
#define ssrPixelSize ssrParameters.zw
vec2 mip_ratio_interp(float mip)
{
float low_mip = floor(mip);
return mix(mipRatio[int(low_mip)], mipRatio[int(low_mip + 1.0)], mip - low_mip);
}
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