From 3638414b37b4ee65a1fcb2295f8be9eed6729c13 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Thu, 28 Apr 2016 21:55:14 -0400
Subject: [PATCH] Added additional comments.
---
.../CRT/Internals/Shaders/IntermediateShader.hpp | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/Outputs/CRT/Internals/Shaders/IntermediateShader.hpp b/Outputs/CRT/Internals/Shaders/IntermediateShader.hpp
index dd959f590..a955045ae 100644
--- a/Outputs/CRT/Internals/Shaders/IntermediateShader.hpp
+++ b/Outputs/CRT/Internals/Shaders/IntermediateShader.hpp
@@ -20,8 +20,22 @@ class IntermediateShader: public Shader {
public:
using Shader::Shader;
+ /*!
+ Constructs and returns an intermediate shader that will take runs from the inputPositions,
+ converting them to single-channel composite values using @c composite_shader if supplied
+ or @c rgb_shader and a reference composite conversion if @c composite_shader is @c nullptr.
+ */
static std::unique_ptr<IntermediateShader> make_source_conversion_shader(const char *composite_shader, const char *rgb_shader);
+
+ /*!
+ Constructs and returns an intermediate shader that will read composite samples from the R channel,
+ filter then to obtain luminance, stored to R, and to separate out unfiltered chrominance, store to G and B.
+ */
static std::unique_ptr<IntermediateShader> make_chroma_luma_separation_shader();
+
+ /*!
+ Constructs and returns an intermediate shader that will pass R through unchanged while filtering G and B.
+ */
static std::unique_ptr<IntermediateShader> make_chroma_filter_shader();
/*!