49 lines
1.8 KiB
GLSL
49 lines
1.8 KiB
GLSL
// ftpd is a server implementation based on the following:
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// - RFC 959 (https://tools.ietf.org/html/rfc959)
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// - RFC 3659 (https://tools.ietf.org/html/rfc3659)
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// - suggested implementation details from https://cr.yp.to/ftp/filesystem.html
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//
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// The MIT License (MIT)
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//
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// Copyright (C) 2020 Michael Theall
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#version 460
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layout (location = 0) in vec2 vtxUv;
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layout (location = 1) in vec4 vtxColor;
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layout (binding = 0) uniform sampler2D tex;
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layout (std140, binding = 0) uniform FragUBO {
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uint font;
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} ubo;
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layout (location = 0) out vec4 outColor;
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void main()
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{
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// font texture is single-channel (alpha)
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if (ubo.font != 0)
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outColor = vtxColor * vec4 (vec3 (1.0), texture (tex, vtxUv).r);
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else
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outColor = vtxColor * texture (tex, vtxUv);
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}
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