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Use vertex NaN clipping on mobile #1

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Use vertex NaN clipping on mobile #1

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14 changes: 14 additions & 0 deletions Shaders/BoxClipTemplate.cginc
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Original file line number Diff line number Diff line change
Expand Up @@ -197,8 +197,14 @@ static float3 boxObjectSpaceCameraPosStereo = mul(unity_WorldToObject, float4(le
static float3 boxObjectSpaceCameraPosStereo = boxObjectSpaceCameraPos;
#endif

bool boxConditionCheck(float3 origvertpos);
void boxPreprocessVertex(inout float4 vert, inout float3 norm, inout float4 tang) {
vert.xyz *= (BOXCLIP_SCALE > 0 ? BOXCLIP_SCALE : 1);
#if defined(SHADER_API_MOBILE) || defined(SHADER_API_GLES30)
if (!boxConditionCheck(vert.xyz)) {
vert.xyz = sqrt(-vert.w);
}
#endif
}
void boxPreprocessVertex(inout float4 vert, inout float3 norm) {
float4 tangent = 0;
Expand Down Expand Up @@ -530,19 +536,27 @@ bool boxConditionCheck(float3 origvertpos) {
}

void boxConditionalClipLocal(float3 localPos) {
#if !defined(SHADER_API_MOBILE) && !defined(SHADER_API_GLES30)
clip(boxConditionCheck(localPos) ? 0 : -1);
#endif
}

void boxConditionalClipLocal(float4 localPos) {
#if !defined(SHADER_API_MOBILE) && !defined(SHADER_API_GLES30)
clip(boxConditionCheck(localPos.xyz) ? 0 : -1);
#endif
}

void boxConditionalClipWorld(float3 worldPos) {
#if !defined(SHADER_API_MOBILE) && !defined(SHADER_API_GLES30)
clip(boxConditionCheck(mul(unity_WorldToObject, float4(worldPos, 1)).xyz) ? 0 : -1);
#endif
}

void boxConditionalClipWorld(float4 worldPos) {
#if !defined(SHADER_API_MOBILE) && !defined(SHADER_API_GLES30)
clip(boxConditionCheck(mul(unity_WorldToObject, worldPos).xyz) ? 0 : -1);
#endif
}

bool geometry_check(float3 v1, float3 v2, float3 v3) {
Expand Down