mirror of
https://git.sr.ht/~eliasnaur/gio
synced 2026-07-01 15:45:38 +00:00
Elias Naur
0218546161
The piet-gpu project is dual licensed under the Apache 2.0 and MIT, and the shaders themselves are also offered under the UNLICENSE terms. See https://github.com/linebender/piet-gpu#license-and-contributions, as of commit 72e2dfab3da8ae1adf7a0fb056b71ccbc4cfa29a: "The piet-gpu project is dual-licensed under both Apache 2.0 and MIT licenses. In addition, the shaders are provided under the terms of the Unlicense. The intent is for this research to be used in as broad a context as possible." Signed-off-by: Elias Naur <mail@eliasnaur.com>
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
// SPDX-License-Identifier: Apache-2.0 OR MIT OR Unlicense
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// Code auto-generated by piet-gpu-derive
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struct StateRef {
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uint offset;
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};
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struct State {
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vec4 mat;
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vec2 translate;
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vec4 bbox;
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float linewidth;
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uint flags;
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uint path_count;
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uint pathseg_count;
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};
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#define State_size 56
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StateRef State_index(StateRef ref, uint index) {
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return StateRef(ref.offset + index * State_size);
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}
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State State_read(StateRef ref) {
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uint ix = ref.offset >> 2;
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uint raw0 = state[ix + 0];
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uint raw1 = state[ix + 1];
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uint raw2 = state[ix + 2];
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uint raw3 = state[ix + 3];
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uint raw4 = state[ix + 4];
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uint raw5 = state[ix + 5];
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uint raw6 = state[ix + 6];
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uint raw7 = state[ix + 7];
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uint raw8 = state[ix + 8];
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uint raw9 = state[ix + 9];
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uint raw10 = state[ix + 10];
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uint raw11 = state[ix + 11];
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uint raw12 = state[ix + 12];
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uint raw13 = state[ix + 13];
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State s;
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s.mat = vec4(uintBitsToFloat(raw0), uintBitsToFloat(raw1), uintBitsToFloat(raw2), uintBitsToFloat(raw3));
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s.translate = vec2(uintBitsToFloat(raw4), uintBitsToFloat(raw5));
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s.bbox = vec4(uintBitsToFloat(raw6), uintBitsToFloat(raw7), uintBitsToFloat(raw8), uintBitsToFloat(raw9));
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s.linewidth = uintBitsToFloat(raw10);
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s.flags = raw11;
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s.path_count = raw12;
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s.pathseg_count = raw13;
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return s;
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}
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void State_write(StateRef ref, State s) {
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uint ix = ref.offset >> 2;
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state[ix + 0] = floatBitsToUint(s.mat.x);
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state[ix + 1] = floatBitsToUint(s.mat.y);
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state[ix + 2] = floatBitsToUint(s.mat.z);
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state[ix + 3] = floatBitsToUint(s.mat.w);
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state[ix + 4] = floatBitsToUint(s.translate.x);
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state[ix + 5] = floatBitsToUint(s.translate.y);
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state[ix + 6] = floatBitsToUint(s.bbox.x);
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state[ix + 7] = floatBitsToUint(s.bbox.y);
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state[ix + 8] = floatBitsToUint(s.bbox.z);
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state[ix + 9] = floatBitsToUint(s.bbox.w);
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state[ix + 10] = floatBitsToUint(s.linewidth);
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state[ix + 11] = s.flags;
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state[ix + 12] = s.path_count;
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state[ix + 13] = s.pathseg_count;
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}
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