mirror of
https://github.com/tanema/light_world.lua.git
synced 2024-12-24 20:24:19 +00:00
63 lines
2.1 KiB
Lua
63 lines
2.1 KiB
Lua
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LOVE_POSTSHADER_BUFFER_RENDER = love.graphics.newCanvas()
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LOVE_POSTSHADER_BUFFER_BACK = love.graphics.newCanvas()
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LOVE_POSTSHADER_LAST_BUFFER = nil
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LOVE_POSTSHADER_BLURV = love.graphics.newShader("shader/blurv.glsl")
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LOVE_POSTSHADER_BLURH = love.graphics.newShader("shader/blurh.glsl")
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LOVE_POSTSHADER_CONTRAST = love.graphics.newShader("shader/contrast.glsl")
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LOVE_POSTSHADER_BLURV:send("screen", {love.window.getWidth(), love.window.getHeight()})
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LOVE_POSTSHADER_BLURH:send("screen", {love.window.getWidth(), love.window.getHeight()})
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love.postshader = {}
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love.postshader.setBuffer = function(path)
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if path == "back" then
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love.graphics.setCanvas(LOVE_POSTSHADER_BUFFER_BACK)
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else
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love.graphics.setCanvas(LOVE_POSTSHADER_BUFFER_RENDER)
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end
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end
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love.postshader.draw = function(shader)
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LOVE_POSTSHADER_LAST_BUFFER = love.graphics.getCanvas()
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if shader == "bloom" then
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-- Bloom Shader
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love.graphics.setCanvas(LOVE_POSTSHADER_BUFFER_BACK)
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love.graphics.setBlendMode("alpha")
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love.graphics.setShader(LOVE_POSTSHADER_BLURV)
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love.graphics.draw(LOVE_POSTSHADER_BUFFER_RENDER)
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love.graphics.setShader(LOVE_POSTSHADER_BLURH)
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love.graphics.draw(LOVE_POSTSHADER_BUFFER_BACK)
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love.graphics.setShader(LOVE_POSTSHADER_CONTRAST)
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love.graphics.draw(LOVE_POSTSHADER_BUFFER_BACK)
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love.graphics.setCanvas(LOVE_LIGHTMAP_LAST_BUFFER)
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love.graphics.setShader()
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love.graphics.setColor(255, 255, 255)
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love.graphics.draw(LOVE_POSTSHADER_BUFFER_RENDER)
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love.graphics.setBlendMode("additive")
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love.graphics.setColor(255, 255, 255, 63)
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love.graphics.draw(LOVE_POSTSHADER_BUFFER_BACK)
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love.graphics.setBlendMode("alpha")
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elseif shader == "blur" then
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-- Blur Shader
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love.graphics.setCanvas(LOVE_POSTSHADER_BUFFER_BACK)
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love.graphics.setBlendMode("alpha")
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love.graphics.setShader(LOVE_POSTSHADER_BLURV)
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love.graphics.draw(LOVE_POSTSHADER_BUFFER_RENDER)
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love.graphics.setShader(LOVE_POSTSHADER_BLURH)
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love.graphics.draw(LOVE_POSTSHADER_BUFFER_BACK)
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love.graphics.setCanvas(LOVE_LIGHTMAP_LAST_BUFFER)
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love.graphics.setShader()
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love.graphics.setColor(255, 255, 255)
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love.graphics.draw(LOVE_POSTSHADER_BUFFER_BACK)
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end
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end
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