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178761dcb3
This patch contains the core of the path stream processing, though some integration bits are missing. The core logic is tested, though combinations of path types, transforms, and line widths are not (yet). Progress towards #119
30 lines
678 B
GLSL
30 lines
678 B
GLSL
// SPDX-License-Identifier: Apache-2.0 OR MIT OR Unlicense
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// Clear path bbox to prepare for atomic min/max.
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#version 450
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#extension GL_GOOGLE_include_directive : enable
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#include "mem.h"
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#include "setup.h"
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#define LG_WG_SIZE 9
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#define WG_SIZE (1 << LG_WG_SIZE)
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layout(local_size_x = WG_SIZE, local_size_y = 1) in;
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layout(binding = 1) readonly buffer ConfigBuf {
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Config conf;
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};
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void main() {
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uint ix = gl_GlobalInvocationID.x;
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if (ix < conf.n_elements) {
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uint out_ix = (conf.bbox_alloc.offset >> 2) + 4 * ix;
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memory[out_ix] = 0xffff;
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memory[out_ix + 1] = 0xffff;
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memory[out_ix + 2] = 0;
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memory[out_ix + 3] = 0;
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}
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}
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