33 lines
1.1 KiB
Lua
33 lines
1.1 KiB
Lua
--[[
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Public domain:
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Copyright (C) 2017 by Matthias Richter <vrld@vrld.org>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE.
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]]--
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return function(moonshine)
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local shader = love.graphics.newShader[[
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extern vec3 factors;
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vec4 effect(vec4 color, Image texture, vec2 tc, vec2 _) {
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return vec4(factors, 1.0) * Texel(texture, tc) * color;
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}]]
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local setters = {}
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return moonshine.Effect{
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name = "colorgradesimple",
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shader = shader,
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setters = {factors = function(v) shader:send("factors", v) end},
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defaults = {factors = {1,1,1}}
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}
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end
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