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piet-gpu-types: remove unused Segment and SegChunk types

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Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur 2020-11-29 16:51:35 +01:00
parent 4bbc7dee1d
commit bd450ef461
2 changed files with 0 additions and 93 deletions
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19
piet-gpu-types/src/ptcl.rs
View file

@ -67,24 +67,5 @@ piet_gpu! {
SolidMask(CmdSolidMask), SolidMask(CmdSolidMask),
Jump(CmdJump), Jump(CmdJump),
} }
// TODO: strongly consider using f16. If so, these would be
// relative to the tile. We're doing f32 for now to minimize
// divergence from piet-metal originals.
struct Segment {
start: [f32; 2],
end: [f32; 2],
// This is used for fills only, but we're including it in
// the general structure for simplicity.
y_edge: f32,
}
struct SegChunk {
n: u32,
next: Ref<SegChunk>,
// Actually a reference to a variable-sized slice.
segs: Ref<Segment>,
}
} }
} }

74
piet-gpu/shader/ptcl.h
View file

@ -48,14 +48,6 @@ struct CmdRef {
uint offset; uint offset;
}; };
struct SegmentRef {
uint offset;
};
struct SegChunkRef {
uint offset;
};
struct CmdCircle { struct CmdCircle {
vec2 center; vec2 center;
float radius; float radius;
@ -195,30 +187,6 @@ CmdRef Cmd_index(CmdRef ref, uint index) {
return CmdRef(ref.offset + index * Cmd_size); 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) { CmdCircle CmdCircle_read(CmdCircleRef ref) {
uint ix = ref.offset >> 2; uint ix = ref.offset >> 2;
uint raw0 = ptcl[ix + 0]; uint raw0 = ptcl[ix + 0];
@ -514,45 +482,3 @@ void Cmd_Jump_write(CmdRef ref, CmdJump s) {
CmdJump_write(CmdJumpRef(ref.offset + 4), s); 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;
}