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Diffstat (limited to 'libs/moonshine/colorgradesimple.lua')
| -rw-r--r-- | libs/moonshine/colorgradesimple.lua | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libs/moonshine/colorgradesimple.lua b/libs/moonshine/colorgradesimple.lua new file mode 100644 index 0000000..f0e0278 --- /dev/null +++ b/libs/moonshine/colorgradesimple.lua @@ -0,0 +1,33 @@ +--[[ +Public domain: + +Copyright (C) 2017 by Matthias Richter <vrld@vrld.org> + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH +REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND +FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, +INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR +OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. +]]-- + +return function(moonshine) + local shader = love.graphics.newShader[[ + extern vec3 factors; + vec4 effect(vec4 color, Image texture, vec2 tc, vec2 _) { + return vec4(factors, 1.0) * Texel(texture, tc) * color; + }]] + + local setters = {} + + return moonshine.Effect{ + name = "colorgradesimple", + shader = shader, + setters = {factors = function(v) shader:send("factors", v) end}, + defaults = {factors = {1,1,1}} + } +end |