Files
test/intern/cycles/scene/colorspace.h
Brecht Van Lommel ec04870091 Fix Cycles standalone float textures not taking into account colorspace metadata
This got lost in colorspace refactoring at some point. It probably does not
affect many files in practice, but implementation was wrong regardless.
2022-12-07 18:34:57 +01:00

53 lines
1.8 KiB
C++

/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#ifndef __COLORSPACE_H__
#define __COLORSPACE_H__
#include "util/map.h"
#include "util/param.h"
CCL_NAMESPACE_BEGIN
extern ustring u_colorspace_auto;
extern ustring u_colorspace_raw;
extern ustring u_colorspace_srgb;
class ColorSpaceProcessor;
class ColorSpaceManager {
public:
/* Convert used specified colorspace to a colorspace that we are able to
* convert to and from. If the colorspace is u_colorspace_auto, we auto
* detect a colospace. */
static ustring detect_known_colorspace(ustring colorspace,
const char *file_colorspace,
const char *file_format,
bool is_float);
/* Test if colorspace is for non-color data. */
static bool colorspace_is_data(ustring colorspace);
/* Convert pixels in the specified colorspace to scene linear color for
* rendering. Must be a colorspace returned from detect_known_colorspace. */
template<typename T>
static void to_scene_linear(
ustring colorspace, T *pixels, size_t num_pixels, bool is_rgba, bool compress_as_srgb);
/* Efficiently convert pixels to scene linear colorspace at render time,
* for OSL where the image texture cache contains original pixels. The
* handle is valid for the lifetime of the application. */
static ColorSpaceProcessor *get_processor(ustring colorspace);
static void to_scene_linear(ColorSpaceProcessor *processor, float *pixel, int channels);
/* Clear memory when the application exits. Invalidates all processors. */
static void free_memory();
private:
static void is_builtin_colorspace(ustring colorspace, bool &is_no_op, bool &is_srgb);
};
CCL_NAMESPACE_END
#endif /* __COLORSPACE_H__ */