2018-10-13 00:09:34 +02:00
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function postprocess(env, transparent_phase, ldr_buffer, gbuffer0, gbuffer1, gbuffer_depth, shadowmap)
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if not enabled then return ldr_buffer end
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if transparent_phase ~= "post_tonemap" then return ldr_buffer end
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2019-07-06 14:52:14 +02:00
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local res = env.createRenderbuffer(1, 1, true, "rgba8", "film_grain")
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2018-10-13 00:09:34 +02:00
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env.beginBlock("film_grain")
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2019-10-09 22:01:54 +02:00
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if env.film_grain_shader == nil then
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env.film_grain_shader = env.preloadShader("pipelines/film_grain.shd")
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2018-10-13 00:09:34 +02:00
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end
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2019-10-06 16:57:48 +02:00
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env.setRenderTargets(res)
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2019-10-09 22:01:54 +02:00
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env.drawArray(0, 4, env.film_grain_shader,
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2019-07-06 14:52:14 +02:00
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{ ldr_buffer },
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{},
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{},
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{ depth_test = false, blending = ""}
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)
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2018-10-13 00:09:34 +02:00
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env.endBlock()
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return res
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end
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function awake()
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if _G["postprocesses"] == nil then
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_G["postprocesses"] = {}
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end
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table.insert(_G["postprocesses"], postprocess)
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end
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function onDestroy()
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for i, v in ipairs(_G["postprocesses"]) do
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if v == postprocess then
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table.remove(_G["postprocesses"], i)
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break;
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end
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end
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end
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