vello/piet-gpu/shader/pathseg.h

// SPDX-License-Identifier: Apache-2.0 OR MIT OR Unlicense

// Code auto-generated by piet-gpu-derive

struct PathFillLineRef {
    uint offset;
};

struct PathStrokeLineRef {
    uint offset;
};

struct PathFillCubicRef {
    uint offset;
};

struct PathStrokeCubicRef {
    uint offset;
};

struct PathSegRef {
    uint offset;
};

struct PathFillLine {
    vec2 p0;
    vec2 p1;
    uint path_ix;
};

#define PathFillLine_size 20

PathFillLineRef PathFillLine_index(PathFillLineRef ref, uint index) {
    return PathFillLineRef(ref.offset + index * PathFillLine_size);
}

struct PathStrokeLine {
    vec2 p0;
    vec2 p1;
    uint path_ix;
    vec2 stroke;
};

#define PathStrokeLine_size 28

PathStrokeLineRef PathStrokeLine_index(PathStrokeLineRef ref, uint index) {
    return PathStrokeLineRef(ref.offset + index * PathStrokeLine_size);
}

struct PathFillCubic {
    vec2 p0;
    vec2 p1;
    vec2 p2;
    vec2 p3;
    uint path_ix;
};

#define PathFillCubic_size 36

PathFillCubicRef PathFillCubic_index(PathFillCubicRef ref, uint index) {
    return PathFillCubicRef(ref.offset + index * PathFillCubic_size);
}

struct PathStrokeCubic {
    vec2 p0;
    vec2 p1;
    vec2 p2;
    vec2 p3;
    uint path_ix;
    vec2 stroke;
};

#define PathStrokeCubic_size 44

PathStrokeCubicRef PathStrokeCubic_index(PathStrokeCubicRef ref, uint index) {
    return PathStrokeCubicRef(ref.offset + index * PathStrokeCubic_size);
}

#define PathSeg_Nop 0
#define PathSeg_FillLine 1
#define PathSeg_StrokeLine 2
#define PathSeg_FillCubic 3
#define PathSeg_StrokeCubic 4
#define PathSeg_size 48

PathSegRef PathSeg_index(PathSegRef ref, uint index) {
    return PathSegRef(ref.offset + index * PathSeg_size);
}

PathFillLine PathFillLine_read(PathFillLineRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = memory[ix + 0];
    uint raw1 = memory[ix + 1];
    uint raw2 = memory[ix + 2];
    uint raw3 = memory[ix + 3];
    uint raw4 = memory[ix + 4];
    PathFillLine s;
    s.p0 = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
    s.p1 = vec2(uintBitsToFloat(raw2), uintBitsToFloat(raw3));
    s.path_ix = raw4;
    return s;
}

void PathFillLine_write(PathFillLineRef ref, PathFillLine s) {
    uint ix = ref.offset >> 2;
    memory[ix + 0] = floatBitsToUint(s.p0.x);
    memory[ix + 1] = floatBitsToUint(s.p0.y);
    memory[ix + 2] = floatBitsToUint(s.p1.x);
    memory[ix + 3] = floatBitsToUint(s.p1.y);
    memory[ix + 4] = s.path_ix;
}

PathStrokeLine PathStrokeLine_read(PathStrokeLineRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = memory[ix + 0];
    uint raw1 = memory[ix + 1];
    uint raw2 = memory[ix + 2];
    uint raw3 = memory[ix + 3];
    uint raw4 = memory[ix + 4];
    uint raw5 = memory[ix + 5];
    uint raw6 = memory[ix + 6];
    PathStrokeLine s;
    s.p0 = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
    s.p1 = vec2(uintBitsToFloat(raw2), uintBitsToFloat(raw3));
    s.path_ix = raw4;
    s.stroke = vec2(uintBitsToFloat(raw5), uintBitsToFloat(raw6));
    return s;
}

void PathStrokeLine_write(PathStrokeLineRef ref, PathStrokeLine s) {
    uint ix = ref.offset >> 2;
    memory[ix + 0] = floatBitsToUint(s.p0.x);
    memory[ix + 1] = floatBitsToUint(s.p0.y);
    memory[ix + 2] = floatBitsToUint(s.p1.x);
    memory[ix + 3] = floatBitsToUint(s.p1.y);
    memory[ix + 4] = s.path_ix;
    memory[ix + 5] = floatBitsToUint(s.stroke.x);
    memory[ix + 6] = floatBitsToUint(s.stroke.y);
}

PathFillCubic PathFillCubic_read(PathFillCubicRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = memory[ix + 0];
    uint raw1 = memory[ix + 1];
    uint raw2 = memory[ix + 2];
    uint raw3 = memory[ix + 3];
    uint raw4 = memory[ix + 4];
    uint raw5 = memory[ix + 5];
    uint raw6 = memory[ix + 6];
    uint raw7 = memory[ix + 7];
    uint raw8 = memory[ix + 8];
    PathFillCubic s;
    s.p0 = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
    s.p1 = vec2(uintBitsToFloat(raw2), uintBitsToFloat(raw3));
    s.p2 = vec2(uintBitsToFloat(raw4), uintBitsToFloat(raw5));
    s.p3 = vec2(uintBitsToFloat(raw6), uintBitsToFloat(raw7));
    s.path_ix = raw8;
    return s;
}

void PathFillCubic_write(PathFillCubicRef ref, PathFillCubic s) {
    uint ix = ref.offset >> 2;
    memory[ix + 0] = floatBitsToUint(s.p0.x);
    memory[ix + 1] = floatBitsToUint(s.p0.y);
    memory[ix + 2] = floatBitsToUint(s.p1.x);
    memory[ix + 3] = floatBitsToUint(s.p1.y);
    memory[ix + 4] = floatBitsToUint(s.p2.x);
    memory[ix + 5] = floatBitsToUint(s.p2.y);
    memory[ix + 6] = floatBitsToUint(s.p3.x);
    memory[ix + 7] = floatBitsToUint(s.p3.y);
    memory[ix + 8] = s.path_ix;
}

PathStrokeCubic PathStrokeCubic_read(PathStrokeCubicRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = memory[ix + 0];
    uint raw1 = memory[ix + 1];
    uint raw2 = memory[ix + 2];
    uint raw3 = memory[ix + 3];
    uint raw4 = memory[ix + 4];
    uint raw5 = memory[ix + 5];
    uint raw6 = memory[ix + 6];
    uint raw7 = memory[ix + 7];
    uint raw8 = memory[ix + 8];
    uint raw9 = memory[ix + 9];
    uint raw10 = memory[ix + 10];
    PathStrokeCubic s;
    s.p0 = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
    s.p1 = vec2(uintBitsToFloat(raw2), uintBitsToFloat(raw3));
    s.p2 = vec2(uintBitsToFloat(raw4), uintBitsToFloat(raw5));
    s.p3 = vec2(uintBitsToFloat(raw6), uintBitsToFloat(raw7));
    s.path_ix = raw8;
    s.stroke = vec2(uintBitsToFloat(raw9), uintBitsToFloat(raw10));
    return s;
}

void PathStrokeCubic_write(PathStrokeCubicRef ref, PathStrokeCubic s) {
    uint ix = ref.offset >> 2;
    memory[ix + 0] = floatBitsToUint(s.p0.x);
    memory[ix + 1] = floatBitsToUint(s.p0.y);
    memory[ix + 2] = floatBitsToUint(s.p1.x);
    memory[ix + 3] = floatBitsToUint(s.p1.y);
    memory[ix + 4] = floatBitsToUint(s.p2.x);
    memory[ix + 5] = floatBitsToUint(s.p2.y);
    memory[ix + 6] = floatBitsToUint(s.p3.x);
    memory[ix + 7] = floatBitsToUint(s.p3.y);
    memory[ix + 8] = s.path_ix;
    memory[ix + 9] = floatBitsToUint(s.stroke.x);
    memory[ix + 10] = floatBitsToUint(s.stroke.y);
}

uint PathSeg_tag(PathSegRef ref) {
    return memory[ref.offset >> 2];
}

PathFillLine PathSeg_FillLine_read(PathSegRef ref) {
    return PathFillLine_read(PathFillLineRef(ref.offset + 4));
}

PathStrokeLine PathSeg_StrokeLine_read(PathSegRef ref) {
    return PathStrokeLine_read(PathStrokeLineRef(ref.offset + 4));
}

PathFillCubic PathSeg_FillCubic_read(PathSegRef ref) {
    return PathFillCubic_read(PathFillCubicRef(ref.offset + 4));
}

PathStrokeCubic PathSeg_StrokeCubic_read(PathSegRef ref) {
    return PathStrokeCubic_read(PathStrokeCubicRef(ref.offset + 4));
}

void PathSeg_Nop_write(PathSegRef ref) {
    memory[ref.offset >> 2] = PathSeg_Nop;
}

void PathSeg_FillLine_write(PathSegRef ref, PathFillLine s) {
    memory[ref.offset >> 2] = PathSeg_FillLine;
    PathFillLine_write(PathFillLineRef(ref.offset + 4), s);
}

void PathSeg_StrokeLine_write(PathSegRef ref, PathStrokeLine s) {
    memory[ref.offset >> 2] = PathSeg_StrokeLine;
    PathStrokeLine_write(PathStrokeLineRef(ref.offset + 4), s);
}

void PathSeg_FillCubic_write(PathSegRef ref, PathFillCubic s) {
    memory[ref.offset >> 2] = PathSeg_FillCubic;
    PathFillCubic_write(PathFillCubicRef(ref.offset + 4), s);
}

void PathSeg_StrokeCubic_write(PathSegRef ref, PathStrokeCubic s) {
    memory[ref.offset >> 2] = PathSeg_StrokeCubic;
    PathStrokeCubic_write(PathStrokeCubicRef(ref.offset + 4), s);
}