vello/piet-gpu/shader/ptcl.h

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

struct CmdCircleRef {
    uint offset;
};

struct CmdLineRef {
    uint offset;
};

struct CmdStrokeRef {
    uint offset;
};

struct CmdFillRef {
    uint offset;
};

struct CmdFillMaskRef {
    uint offset;
};

struct CmdBeginClipRef {
    uint offset;
};

struct CmdBeginSolidClipRef {
    uint offset;
};

struct CmdEndClipRef {
    uint offset;
};

struct CmdSolidRef {
    uint offset;
};

struct CmdSolidMaskRef {
    uint offset;
};

struct CmdJumpRef {
    uint offset;
};

struct CmdRef {
    uint offset;
};

struct SegmentRef {
    uint offset;
};

struct SegChunkRef {
    uint offset;
};

struct CmdCircle {
    vec2 center;
    float radius;
    uint rgba_color;
};

#define CmdCircle_size 16

CmdCircleRef CmdCircle_index(CmdCircleRef ref, uint index) {
    return CmdCircleRef(ref.offset + index * CmdCircle_size);
}

struct CmdLine {
    vec2 start;
    vec2 end;
};

#define CmdLine_size 16

CmdLineRef CmdLine_index(CmdLineRef ref, uint index) {
    return CmdLineRef(ref.offset + index * CmdLine_size);
}

struct CmdStroke {
    uint tile_ref;
    float half_width;
    uint rgba_color;
};

#define CmdStroke_size 12

CmdStrokeRef CmdStroke_index(CmdStrokeRef ref, uint index) {
    return CmdStrokeRef(ref.offset + index * CmdStroke_size);
}

struct CmdFill {
    uint tile_ref;
    int backdrop;
    uint rgba_color;
};

#define CmdFill_size 12

CmdFillRef CmdFill_index(CmdFillRef ref, uint index) {
    return CmdFillRef(ref.offset + index * CmdFill_size);
}

struct CmdFillMask {
    uint tile_ref;
    int backdrop;
    float mask;
};

#define CmdFillMask_size 12

CmdFillMaskRef CmdFillMask_index(CmdFillMaskRef ref, uint index) {
    return CmdFillMaskRef(ref.offset + index * CmdFillMask_size);
}

struct CmdBeginClip {
    uint tile_ref;
    int backdrop;
};

#define CmdBeginClip_size 8

CmdBeginClipRef CmdBeginClip_index(CmdBeginClipRef ref, uint index) {
    return CmdBeginClipRef(ref.offset + index * CmdBeginClip_size);
}

struct CmdBeginSolidClip {
    float alpha;
};

#define CmdBeginSolidClip_size 4

CmdBeginSolidClipRef CmdBeginSolidClip_index(CmdBeginSolidClipRef ref, uint index) {
    return CmdBeginSolidClipRef(ref.offset + index * CmdBeginSolidClip_size);
}

struct CmdEndClip {
    float alpha;
};

#define CmdEndClip_size 4

CmdEndClipRef CmdEndClip_index(CmdEndClipRef ref, uint index) {
    return CmdEndClipRef(ref.offset + index * CmdEndClip_size);
}

struct CmdSolid {
    uint rgba_color;
};

#define CmdSolid_size 4

CmdSolidRef CmdSolid_index(CmdSolidRef ref, uint index) {
    return CmdSolidRef(ref.offset + index * CmdSolid_size);
}

struct CmdSolidMask {
    float mask;
};

#define CmdSolidMask_size 4

CmdSolidMaskRef CmdSolidMask_index(CmdSolidMaskRef ref, uint index) {
    return CmdSolidMaskRef(ref.offset + index * CmdSolidMask_size);
}

struct CmdJump {
    uint new_ref;
};

#define CmdJump_size 4

CmdJumpRef CmdJump_index(CmdJumpRef ref, uint index) {
    return CmdJumpRef(ref.offset + index * CmdJump_size);
}

#define Cmd_End 0
#define Cmd_Circle 1
#define Cmd_Line 2
#define Cmd_Fill 3
#define Cmd_FillMask 4
#define Cmd_FillMaskInv 5
#define Cmd_BeginClip 6
#define Cmd_BeginSolidClip 7
#define Cmd_EndClip 8
#define Cmd_Stroke 9
#define Cmd_Solid 10
#define Cmd_SolidMask 11
#define Cmd_Jump 12
#define Cmd_size 20

CmdRef Cmd_index(CmdRef ref, uint index) {
    return CmdRef(ref.offset + index * Cmd_size);
}

struct Segment {
    vec2 start;
    vec2 end;
    float y_edge;
};

#define Segment_size 20

SegmentRef Segment_index(SegmentRef ref, uint index) {
    return SegmentRef(ref.offset + index * Segment_size);
}

struct SegChunk {
    uint n;
    SegChunkRef next;
    SegmentRef segs;
};

#define SegChunk_size 12

SegChunkRef SegChunk_index(SegChunkRef ref, uint index) {
    return SegChunkRef(ref.offset + index * SegChunk_size);
}

CmdCircle CmdCircle_read(CmdCircleRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    uint raw1 = ptcl[ix + 1];
    uint raw2 = ptcl[ix + 2];
    uint raw3 = ptcl[ix + 3];
    CmdCircle s;
    s.center = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
    s.radius = uintBitsToFloat(raw2);
    s.rgba_color = raw3;
    return s;
}

void CmdCircle_write(CmdCircleRef ref, CmdCircle s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = floatBitsToUint(s.center.x);
    ptcl[ix + 1] = floatBitsToUint(s.center.y);
    ptcl[ix + 2] = floatBitsToUint(s.radius);
    ptcl[ix + 3] = s.rgba_color;
}

CmdLine CmdLine_read(CmdLineRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    uint raw1 = ptcl[ix + 1];
    uint raw2 = ptcl[ix + 2];
    uint raw3 = ptcl[ix + 3];
    CmdLine s;
    s.start = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
    s.end = vec2(uintBitsToFloat(raw2), uintBitsToFloat(raw3));
    return s;
}

void CmdLine_write(CmdLineRef ref, CmdLine s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = floatBitsToUint(s.start.x);
    ptcl[ix + 1] = floatBitsToUint(s.start.y);
    ptcl[ix + 2] = floatBitsToUint(s.end.x);
    ptcl[ix + 3] = floatBitsToUint(s.end.y);
}

CmdStroke CmdStroke_read(CmdStrokeRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    uint raw1 = ptcl[ix + 1];
    uint raw2 = ptcl[ix + 2];
    CmdStroke s;
    s.tile_ref = raw0;
    s.half_width = uintBitsToFloat(raw1);
    s.rgba_color = raw2;
    return s;
}

void CmdStroke_write(CmdStrokeRef ref, CmdStroke s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = s.tile_ref;
    ptcl[ix + 1] = floatBitsToUint(s.half_width);
    ptcl[ix + 2] = s.rgba_color;
}

CmdFill CmdFill_read(CmdFillRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    uint raw1 = ptcl[ix + 1];
    uint raw2 = ptcl[ix + 2];
    CmdFill s;
    s.tile_ref = raw0;
    s.backdrop = int(raw1);
    s.rgba_color = raw2;
    return s;
}

void CmdFill_write(CmdFillRef ref, CmdFill s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = s.tile_ref;
    ptcl[ix + 1] = uint(s.backdrop);
    ptcl[ix + 2] = s.rgba_color;
}

CmdFillMask CmdFillMask_read(CmdFillMaskRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    uint raw1 = ptcl[ix + 1];
    uint raw2 = ptcl[ix + 2];
    CmdFillMask s;
    s.tile_ref = raw0;
    s.backdrop = int(raw1);
    s.mask = uintBitsToFloat(raw2);
    return s;
}

void CmdFillMask_write(CmdFillMaskRef ref, CmdFillMask s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = s.tile_ref;
    ptcl[ix + 1] = uint(s.backdrop);
    ptcl[ix + 2] = floatBitsToUint(s.mask);
}

CmdBeginClip CmdBeginClip_read(CmdBeginClipRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    uint raw1 = ptcl[ix + 1];
    CmdBeginClip s;
    s.tile_ref = raw0;
    s.backdrop = int(raw1);
    return s;
}

void CmdBeginClip_write(CmdBeginClipRef ref, CmdBeginClip s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = s.tile_ref;
    ptcl[ix + 1] = uint(s.backdrop);
}

CmdBeginSolidClip CmdBeginSolidClip_read(CmdBeginSolidClipRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    CmdBeginSolidClip s;
    s.alpha = uintBitsToFloat(raw0);
    return s;
}

void CmdBeginSolidClip_write(CmdBeginSolidClipRef ref, CmdBeginSolidClip s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = floatBitsToUint(s.alpha);
}

CmdEndClip CmdEndClip_read(CmdEndClipRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    CmdEndClip s;
    s.alpha = uintBitsToFloat(raw0);
    return s;
}

void CmdEndClip_write(CmdEndClipRef ref, CmdEndClip s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = floatBitsToUint(s.alpha);
}

CmdSolid CmdSolid_read(CmdSolidRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    CmdSolid s;
    s.rgba_color = raw0;
    return s;
}

void CmdSolid_write(CmdSolidRef ref, CmdSolid s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = s.rgba_color;
}

CmdSolidMask CmdSolidMask_read(CmdSolidMaskRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    CmdSolidMask s;
    s.mask = uintBitsToFloat(raw0);
    return s;
}

void CmdSolidMask_write(CmdSolidMaskRef ref, CmdSolidMask s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = floatBitsToUint(s.mask);
}

CmdJump CmdJump_read(CmdJumpRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    CmdJump s;
    s.new_ref = raw0;
    return s;
}

void CmdJump_write(CmdJumpRef ref, CmdJump s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = s.new_ref;
}

uint Cmd_tag(CmdRef ref) {
    return ptcl[ref.offset >> 2];
}

CmdCircle Cmd_Circle_read(CmdRef ref) {
    return CmdCircle_read(CmdCircleRef(ref.offset + 4));
}

CmdLine Cmd_Line_read(CmdRef ref) {
    return CmdLine_read(CmdLineRef(ref.offset + 4));
}

CmdFill Cmd_Fill_read(CmdRef ref) {
    return CmdFill_read(CmdFillRef(ref.offset + 4));
}

CmdFillMask Cmd_FillMask_read(CmdRef ref) {
    return CmdFillMask_read(CmdFillMaskRef(ref.offset + 4));
}

CmdFillMask Cmd_FillMaskInv_read(CmdRef ref) {
    return CmdFillMask_read(CmdFillMaskRef(ref.offset + 4));
}

CmdBeginClip Cmd_BeginClip_read(CmdRef ref) {
    return CmdBeginClip_read(CmdBeginClipRef(ref.offset + 4));
}

CmdBeginSolidClip Cmd_BeginSolidClip_read(CmdRef ref) {
    return CmdBeginSolidClip_read(CmdBeginSolidClipRef(ref.offset + 4));
}

CmdEndClip Cmd_EndClip_read(CmdRef ref) {
    return CmdEndClip_read(CmdEndClipRef(ref.offset + 4));
}

CmdStroke Cmd_Stroke_read(CmdRef ref) {
    return CmdStroke_read(CmdStrokeRef(ref.offset + 4));
}

CmdSolid Cmd_Solid_read(CmdRef ref) {
    return CmdSolid_read(CmdSolidRef(ref.offset + 4));
}

CmdSolidMask Cmd_SolidMask_read(CmdRef ref) {
    return CmdSolidMask_read(CmdSolidMaskRef(ref.offset + 4));
}

CmdJump Cmd_Jump_read(CmdRef ref) {
    return CmdJump_read(CmdJumpRef(ref.offset + 4));
}

void Cmd_End_write(CmdRef ref) {
    ptcl[ref.offset >> 2] = Cmd_End;
}

void Cmd_Circle_write(CmdRef ref, CmdCircle s) {
    ptcl[ref.offset >> 2] = Cmd_Circle;
    CmdCircle_write(CmdCircleRef(ref.offset + 4), s);
}

void Cmd_Line_write(CmdRef ref, CmdLine s) {
    ptcl[ref.offset >> 2] = Cmd_Line;
    CmdLine_write(CmdLineRef(ref.offset + 4), s);
}

void Cmd_Fill_write(CmdRef ref, CmdFill s) {
    ptcl[ref.offset >> 2] = Cmd_Fill;
    CmdFill_write(CmdFillRef(ref.offset + 4), s);
}

void Cmd_FillMask_write(CmdRef ref, CmdFillMask s) {
    ptcl[ref.offset >> 2] = Cmd_FillMask;
    CmdFillMask_write(CmdFillMaskRef(ref.offset + 4), s);
}

void Cmd_FillMaskInv_write(CmdRef ref, CmdFillMask s) {
    ptcl[ref.offset >> 2] = Cmd_FillMaskInv;
    CmdFillMask_write(CmdFillMaskRef(ref.offset + 4), s);
}

void Cmd_BeginClip_write(CmdRef ref, CmdBeginClip s) {
    ptcl[ref.offset >> 2] = Cmd_BeginClip;
    CmdBeginClip_write(CmdBeginClipRef(ref.offset + 4), s);
}

void Cmd_BeginSolidClip_write(CmdRef ref, CmdBeginSolidClip s) {
    ptcl[ref.offset >> 2] = Cmd_BeginSolidClip;
    CmdBeginSolidClip_write(CmdBeginSolidClipRef(ref.offset + 4), s);
}

void Cmd_EndClip_write(CmdRef ref, CmdEndClip s) {
    ptcl[ref.offset >> 2] = Cmd_EndClip;
    CmdEndClip_write(CmdEndClipRef(ref.offset + 4), s);
}

void Cmd_Stroke_write(CmdRef ref, CmdStroke s) {
    ptcl[ref.offset >> 2] = Cmd_Stroke;
    CmdStroke_write(CmdStrokeRef(ref.offset + 4), s);
}

void Cmd_Solid_write(CmdRef ref, CmdSolid s) {
    ptcl[ref.offset >> 2] = Cmd_Solid;
    CmdSolid_write(CmdSolidRef(ref.offset + 4), s);
}

void Cmd_SolidMask_write(CmdRef ref, CmdSolidMask s) {
    ptcl[ref.offset >> 2] = Cmd_SolidMask;
    CmdSolidMask_write(CmdSolidMaskRef(ref.offset + 4), s);
}

void Cmd_Jump_write(CmdRef ref, CmdJump s) {
    ptcl[ref.offset >> 2] = Cmd_Jump;
    CmdJump_write(CmdJumpRef(ref.offset + 4), s);
}

Segment Segment_read(SegmentRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    uint raw1 = ptcl[ix + 1];
    uint raw2 = ptcl[ix + 2];
    uint raw3 = ptcl[ix + 3];
    uint raw4 = ptcl[ix + 4];
    Segment s;
    s.start = vec2(uintBitsToFloat(raw0), uintBitsToFloat(raw1));
    s.end = vec2(uintBitsToFloat(raw2), uintBitsToFloat(raw3));
    s.y_edge = uintBitsToFloat(raw4);
    return s;
}

void Segment_write(SegmentRef ref, Segment s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = floatBitsToUint(s.start.x);
    ptcl[ix + 1] = floatBitsToUint(s.start.y);
    ptcl[ix + 2] = floatBitsToUint(s.end.x);
    ptcl[ix + 3] = floatBitsToUint(s.end.y);
    ptcl[ix + 4] = floatBitsToUint(s.y_edge);
}

SegChunk SegChunk_read(SegChunkRef ref) {
    uint ix = ref.offset >> 2;
    uint raw0 = ptcl[ix + 0];
    uint raw1 = ptcl[ix + 1];
    uint raw2 = ptcl[ix + 2];
    SegChunk s;
    s.n = raw0;
    s.next = SegChunkRef(raw1);
    s.segs = SegmentRef(raw2);
    return s;
}

void SegChunk_write(SegChunkRef ref, SegChunk s) {
    uint ix = ref.offset >> 2;
    ptcl[ix + 0] = s.n;
    ptcl[ix + 1] = s.next.offset;
    ptcl[ix + 2] = s.segs.offset;
}