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Store HaldCLUT as flat RGBx array

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Instead of using an `Image16`, which is organized in planes, store the
HaldCLUT in an `AlignedBuffer<std::uint16_t>` with sequential RGBx
values. This gives a speedup of roughly 23% here.
This commit is contained in:
Flössie
2016-04-23 22:46:21 +02:00
parent f639cd6b82
commit b1a9e96836
4 changed files with 131 additions and 89 deletions
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16
rtengine/clutstore.h
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@@ -1,16 +1,16 @@
#pragma once
#include <memory>
#include <cstdint>
#include <gtkmm.h>
#include "cache.h"
#include "alignedbuffer.h"
namespace rtengine
{
class Image16;
class CLUT
{
public:
@@ -24,7 +24,7 @@ public:
virtual Glib::ustring getFilename() const = 0;
virtual Glib::ustring getProfile() const = 0;
virtual void getRGB(float r, float g, float b, float& out_r, float& out_g, float& out_b) const = 0;
virtual void getRGB(float r, float g, float b, float out_rgbx[4]) const = 0;
static void splitClutFilename(
const Glib::ustring& filename,
@@ -43,15 +43,15 @@ public:
bool load(const Glib::ustring& filename);
explicit operator bool() const;
explicit operator bool() const override;
Glib::ustring getFilename() const;
Glib::ustring getProfile() const;
Glib::ustring getFilename() const override;
Glib::ustring getProfile() const override;
void getRGB(float r, float g, float b, float& out_r, float& out_g, float& out_b) const;
void getRGB(float r, float g, float b, float out_rgbx[4]) const override;
private:
std::unique_ptr<Image16> clut_image;
AlignedBuffer<std::uint16_t> clut_image;
unsigned int clut_level;
float flevel_minus_one;
float flevel_minus_two;