139 lines
5.5 KiB
Plaintext
139 lines
5.5 KiB
Plaintext
#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 LightData {
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/* 0x0000 */ float4 position;
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/* 0x0010 */ packed_float3 color;
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/* 0x001c */ float radius;
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};
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struct LightsBuffer {
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/* 0x0000 */ LightData lights[1];
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};
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struct tint_array_wrapper {
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/* 0x0000 */ uint arr[64];
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};
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struct TileLightIdData {
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/* 0x0000 */ atomic_uint count;
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/* 0x0004 */ tint_array_wrapper lightId;
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};
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struct tint_array_wrapper_1 {
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/* 0x0000 */ TileLightIdData arr[4];
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};
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struct Tiles {
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/* 0x0000 */ tint_array_wrapper_1 data;
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};
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struct Config {
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/* 0x0000 */ uint numLights;
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/* 0x0004 */ uint numTiles;
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/* 0x0008 */ uint tileCountX;
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/* 0x000c */ uint tileCountY;
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/* 0x0010 */ uint numTileLightSlot;
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/* 0x0014 */ uint tileSize;
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};
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struct Uniforms {
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/* 0x0000 */ float4 min;
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/* 0x0010 */ float4 max;
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/* 0x0020 */ float4x4 viewMatrix;
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/* 0x0060 */ float4x4 projectionMatrix;
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/* 0x00a0 */ float4 fullScreenSize;
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};
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struct tint_array_wrapper_2 {
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float4 arr[6];
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};
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void tint_symbol_inner(uint3 GlobalInvocationID, const constant Config* const tint_symbol_1, device LightsBuffer* const tint_symbol_2, const constant Uniforms* const tint_symbol_3, device Tiles* const tint_symbol_4) {
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uint index = GlobalInvocationID[0];
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if ((index >= (*(tint_symbol_1)).numLights)) {
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return;
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}
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(*(tint_symbol_2)).lights[index].position[1] = (((*(tint_symbol_2)).lights[index].position[1] - 0.100000001f) + (0.001f * (float(index) - (64.0f * floor((float(index) / 64.0f))))));
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if (((*(tint_symbol_2)).lights[index].position[1] < (*(tint_symbol_3)).min[1])) {
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(*(tint_symbol_2)).lights[index].position[1] = (*(tint_symbol_3)).max[1];
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}
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float4x4 M = (*(tint_symbol_3)).projectionMatrix;
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float viewNear = (-(M[3][2]) / (-1.0f + M[2][2]));
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float viewFar = (-(M[3][2]) / (1.0f + M[2][2]));
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float4 lightPos = (*(tint_symbol_2)).lights[index].position;
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lightPos = ((*(tint_symbol_3)).viewMatrix * lightPos);
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lightPos = (lightPos / lightPos[3]);
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float lightRadius = (*(tint_symbol_2)).lights[index].radius;
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float4 boxMin = (lightPos - float4(float3(lightRadius), 0.0f));
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float4 boxMax = (lightPos + float4(float3(lightRadius), 0.0f));
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tint_array_wrapper_2 frustumPlanes = {};
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frustumPlanes.arr[4] = float4(0.0f, 0.0f, -1.0f, viewNear);
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frustumPlanes.arr[5] = float4(0.0f, 0.0f, 1.0f, -(viewFar));
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int const TILE_SIZE = 16;
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int const TILE_COUNT_X = 2;
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int const TILE_COUNT_Y = 2;
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for(int y_1 = 0; (y_1 < TILE_COUNT_Y); y_1 = as_type<int>((as_type<uint>(y_1) + as_type<uint>(1)))) {
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for(int x_1 = 0; (x_1 < TILE_COUNT_X); x_1 = as_type<int>((as_type<uint>(x_1) + as_type<uint>(1)))) {
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int2 tilePixel0Idx = int2(as_type<int>((as_type<uint>(x_1) * as_type<uint>(TILE_SIZE))), as_type<int>((as_type<uint>(y_1) * as_type<uint>(TILE_SIZE))));
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float2 floorCoord = (((2.0f * float2(tilePixel0Idx)) / float4((*(tint_symbol_3)).fullScreenSize).xy) - float2(1.0f));
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float2 ceilCoord = (((2.0f * float2(as_type<int2>((as_type<uint2>(tilePixel0Idx) + as_type<uint2>(int2(TILE_SIZE)))))) / float4((*(tint_symbol_3)).fullScreenSize).xy) - float2(1.0f));
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float2 viewFloorCoord = float2((((-(viewNear) * floorCoord[0]) - (M[2][0] * viewNear)) / M[0][0]), (((-(viewNear) * floorCoord[1]) - (M[2][1] * viewNear)) / M[1][1]));
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float2 viewCeilCoord = float2((((-(viewNear) * ceilCoord[0]) - (M[2][0] * viewNear)) / M[0][0]), (((-(viewNear) * ceilCoord[1]) - (M[2][1] * viewNear)) / M[1][1]));
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frustumPlanes.arr[0] = float4(1.0f, 0.0f, (-(viewFloorCoord[0]) / viewNear), 0.0f);
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frustumPlanes.arr[1] = float4(-1.0f, 0.0f, (viewCeilCoord[0] / viewNear), 0.0f);
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frustumPlanes.arr[2] = float4(0.0f, 1.0f, (-(viewFloorCoord[1]) / viewNear), 0.0f);
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frustumPlanes.arr[3] = float4(0.0f, -1.0f, (viewCeilCoord[1] / viewNear), 0.0f);
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float dp = 0.0f;
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for(uint i = 0u; (i < 6u); i = (i + 1u)) {
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float4 p = 0.0f;
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if ((frustumPlanes.arr[i][0] > 0.0f)) {
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p[0] = boxMax[0];
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} else {
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p[0] = boxMin[0];
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}
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if ((frustumPlanes.arr[i][1] > 0.0f)) {
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p[1] = boxMax[1];
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} else {
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p[1] = boxMin[1];
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}
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if ((frustumPlanes.arr[i][2] > 0.0f)) {
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p[2] = boxMax[2];
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} else {
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p[2] = boxMin[2];
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}
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p[3] = 1.0f;
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dp = (dp + fmin(0.0f, dot(p, frustumPlanes.arr[i])));
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}
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if ((dp >= 0.0f)) {
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uint tileId = uint(as_type<int>((as_type<uint>(x_1) + as_type<uint>(as_type<int>((as_type<uint>(y_1) * as_type<uint>(TILE_COUNT_X)))))));
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if (((tileId < 0u) || (tileId >= (*(tint_symbol_1)).numTiles))) {
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continue;
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}
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uint offset = atomic_fetch_add_explicit(&((*(tint_symbol_4)).data.arr[tileId].count), 1u, memory_order_relaxed);
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if ((offset >= (*(tint_symbol_1)).numTileLightSlot)) {
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continue;
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}
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(*(tint_symbol_4)).data.arr[tileId].lightId.arr[offset] = GlobalInvocationID[0];
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}
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}
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}
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}
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kernel void tint_symbol(const constant Config* tint_symbol_5 [[buffer(0)]], device LightsBuffer* tint_symbol_6 [[buffer(2)]], const constant Uniforms* tint_symbol_7 [[buffer(1)]], device Tiles* tint_symbol_8 [[buffer(3)]], uint3 GlobalInvocationID [[thread_position_in_grid]]) {
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tint_symbol_inner(GlobalInvocationID, tint_symbol_5, tint_symbol_6, tint_symbol_7, tint_symbol_8);
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return;
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}
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