34e176d255
This was caused by the hardware derivatives output being affected by render resolution. Scaling them back to the full resolution value fixes the issue. This also fixes the Wireframe node that also relies on derivatives. Pull Request: https://projects.blender.org/blender/blender/pulls/142101
34 lines
817 B
GLSL
34 lines
817 B
GLSL
/* SPDX-FileCopyrightText: 2019-2022 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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void node_wireframe(float size, out float fac)
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{
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float3 barys = g_data.barycentric_coords.xyy;
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barys.z = 1.0f - barys.x - barys.y;
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size *= 0.5f;
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float3 s = step(-size, -barys * g_data.barycentric_dists);
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fac = max(s.x, max(s.y, s.z));
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}
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void node_wireframe_screenspace(float size, out float fac)
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{
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float3 barys = g_data.barycentric_coords.xyy;
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barys.z = 1.0f - barys.x - barys.y;
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#ifdef GPU_FRAGMENT_SHADER
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size *= (1.0f / 3.0f);
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float3 dx = gpu_dfdx(barys) * derivative_scale_get();
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float3 dy = gpu_dfdy(barys) * derivative_scale_get();
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float3 deltas = sqrt(dx * dx + dy * dy);
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float3 s = step(-deltas * size, -barys);
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fac = max(s.x, max(s.y, s.z));
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#else
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fac = 1.0f;
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#endif
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}
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