uniform float4x4 g_mScrProjection;
uniform float g_fNearPlane;
uniform float g_fFarPlane;
uniform uint g_isOrthographic;
uniform int _EnvLightIndexShift;
StructuredBuffer<float3> g_vBoundsBuffer : register( t1 );
groupshared unsigned int lightsListLDS[MAX_NR_BIG_TILE_LIGHTS_PLUS_ONE];
groupshared uint lightOffs;
float GetLinearDepth(float zDptBufSpace) // 0 is near 1 is far
float GetLinearDepth(float zDptBufSpace) // 0 is near 1 is far
float3 vP = float3(0.0f,0.0f,zDptBufSpace);
float4 v4Pres = mul(g_mInvScrProjection, float4(vP,1.0));
return v4Pres.z / v4Pres.w;
}
// for perspective projection m22 is zero and m23 is +1/-1 (depends on left/right hand proj)
// however this function must also work for orthographic projection so we keep it like this.
float m22 = g_mInvScrProjection[2].z, m23 = g_mInvScrProjection[2].w;
float m32 = g_mInvScrProjection[3].z, m33 = g_mInvScrProjection[3].w;
return (m22*zDptBufSpace+m23) / (m32*zDptBufSpace+m33);
//float3 vP = float3(0.0f,0.0f,zDptBufSpace);
//float4 v4Pres = mul(g_mInvScrProjection, float4(vP,1.0));
//return v4Pres.z / v4Pres.w;
}
bool isOrthographic = g_isOrthographic!=0;
float fCx = g_mScrProjection[0].z;
float fCy = g_mScrProjection[1].z;
float fCx = isOrthographic ? g_mScrProjection[0].w : g_mScrProjection[0].z;
float fCy = isOrthographic ? g_mScrProjection[1].w : g_mScrProjection[1].z;
return fLinDepth*float3( ((v2ScrPos.x-fCx)/fSx), ((v2ScrPos.y-fCy)/fSy), 1.0 );
bool useLeftHandVersion = true;
return fLinDepth*float3( -((v2ScrPos.x+fCx)/fSx), -((v2ScrPos.y+fCy)/fSy), 1.0 );
bool useLeftHandVersion = isOrthographic;
float s = useLeftHandVersion ? 1 : (-1);
float2 p = float2( (s*v2ScrPos.x-fCx)/fSx, (s*v2ScrPos.y-fCy)/fSy);
return float3(isOrthographic ? p.xy : (fLinDepth*p.xy), fLinDepth);
}
float GetOnePixDiagWorldDistAtDepthOne()
{
SFiniteLightBound lgtDat = g_data[lightsListLDS[l]];
if( !DoesSphereOverlapTile(V, halfTileSizeAtZDistOne, lgtDat.center.xyz, lgtDat.radius) )
if( !DoesSphereOverlapTile(V, halfTileSizeAtZDistOne, lgtDat.center.xyz, lgtDat.radius, g_isOrthographic!=0 ) )
lightsListLDS[l]=0xffffffff;
}
int i=iSwizzle + (2*(iSection&0x2)); // offset by 4 at section 2
vP0 = GetTileVertex(uint2(viTilLL.x, viTilUR.y), uint2(viTilUR.x, viTilLL.y), i, fTileFarPlane);
vE0 = iSection == 0 ? vP0 : (((iSwizzle & 0x2) == 0 ? 1.0f : (-1.0f)) * ((int)(iSwizzle & 0x1) == (iSwizzle >> 1) ? float3(1, 0, 0) : float3(0, 1, 0)));
#if USE_LEFT_HAND_CAMERA_SPACE
float3 edgeSectionZero = g_isOrthographic==0 ? vP0 : float3(0.0,0.0,1.0);
#else
float3 edgeSectionZero = g_isOrthographic==0 ? vP0 : float3(0.0,0.0,-1.0);
#endif
vE0 = iSection == 0 ? edgeSectionZero : (((iSwizzle & 0x2) == 0 ? 1.0f : (-1.0f)) * ((int)(iSwizzle & 0x1) == (iSwizzle >> 1) ? float3(1, 0, 0) : float3(0, 1, 0)));
}
void CullByExactEdgeTests(uint threadID, int iNrCoarseLights, uint2 viTilLL, uint2 viTilUR)