61 lines
2.5 KiB
Plaintext
61 lines
2.5 KiB
Plaintext
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#include <metal_stdlib>
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using namespace metal;
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template<typename T, int N, int M>
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inline vec<T, M> operator*(matrix<T, N, M> lhs, packed_vec<T, N> rhs) {
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return lhs * vec<T, N>(rhs);
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}
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template<typename T, int N, int M>
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inline vec<T, N> operator*(packed_vec<T, M> lhs, matrix<T, N, M> rhs) {
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return vec<T, M>(lhs) * rhs;
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}
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struct Scene {
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/* 0x0000 */ float4x4 lightViewProjMatrix;
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/* 0x0040 */ float4x4 cameraViewProjMatrix;
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/* 0x0080 */ packed_float3 lightPos;
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/* 0x008c */ int8_t tint_pad[4];
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};
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struct FragmentInput {
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float3 shadowPos;
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float3 fragPos;
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float3 fragNorm;
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};
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struct tint_symbol_2 {
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float3 shadowPos [[user(locn0)]];
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float3 fragPos [[user(locn1)]];
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float3 fragNorm [[user(locn2)]];
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};
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struct tint_symbol_3 {
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float4 value [[color(0)]];
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};
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constant float shadowDepthTextureSize = 1024.0f;
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constant float3 albedo = float3(0.899999976f, 0.899999976f, 0.899999976f);
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constant float ambientFactor = 0.200000003f;
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float4 tint_symbol_inner(FragmentInput input, depth2d<float, access::sample> tint_symbol_5, sampler tint_symbol_6, const constant Scene* const tint_symbol_7) {
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float visibility = 0.0f;
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float const oneOverShadowDepthTextureSize = (1.0f / shadowDepthTextureSize);
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for(int y = -1; (y <= 1); y = as_type<int>((as_type<uint>(y) + as_type<uint>(1)))) {
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for(int x = -1; (x <= 1); x = as_type<int>((as_type<uint>(x) + as_type<uint>(1)))) {
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float2 const offset = float2((float(x) * oneOverShadowDepthTextureSize), (float(y) * oneOverShadowDepthTextureSize));
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visibility = (visibility + tint_symbol_5.sample_compare(tint_symbol_6, (float3(input.shadowPos).xy + offset), (input.shadowPos[2] - 0.007f)));
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}
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}
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visibility = (visibility / 9.0f);
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float const lambertFactor = fmax(dot(normalize(((*(tint_symbol_7)).lightPos - input.fragPos)), input.fragNorm), 0.0f);
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float const lightingFactor = fmin((ambientFactor + (visibility * lambertFactor)), 1.0f);
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return float4((lightingFactor * albedo), 1.0f);
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}
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fragment tint_symbol_3 tint_symbol(depth2d<float, access::sample> tint_symbol_8 [[texture(0)]], sampler tint_symbol_9 [[sampler(0)]], const constant Scene* tint_symbol_10 [[buffer(0)]], tint_symbol_2 tint_symbol_1 [[stage_in]]) {
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FragmentInput const tint_symbol_4 = {.shadowPos=tint_symbol_1.shadowPos, .fragPos=tint_symbol_1.fragPos, .fragNorm=tint_symbol_1.fragNorm};
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float4 const inner_result = tint_symbol_inner(tint_symbol_4, tint_symbol_8, tint_symbol_9, tint_symbol_10);
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tint_symbol_3 wrapper_result = {};
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wrapper_result.value = inner_result;
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return wrapper_result;
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}
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