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render/color: add fallback stub when LCMS2 is disabled

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It's cumbersome for compositors to guard every
wlr_color_transform_ref() or wlr_color_transform_unref() call
behind a #if WLR_HAS_COLOR_MANAGEMENT. Moreover, none of the LCMS2
types are used in our public API.

Instead, always install the color.h header, and add a stub for
wlr_color_transform_init_linear_to_icc().
This commit is contained in:
Simon Ser 2024-05-24 10:10:56 +02:00 committed by Kirill Primak
parent 95ac3e9924
commit 6d07193bda
3 changed files with 11 additions and 3 deletions
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3
include/meson.build
View File

@ -20,9 +20,6 @@ endif
if not features.get('vulkan-renderer')
exclude_files += 'render/vulkan.h'
endif
if not features.get('color-management')
exclude_files += 'render/color.h'
endif
if not features.get('session')
exclude_files += 'backend/session.h'
endif

9
render/color_fallback.c Normal file
View File

@ -0,0 +1,9 @@
#include <wlr/render/color.h>
#include <wlr/util/log.h>
struct wlr_color_transform *wlr_color_transform_init_linear_to_icc(
const void *data, size_t size) {
wlr_log(WLR_ERROR, "Cannot create color transform from ICC profile: "
"LCMS2 is compile-time disabled");
return NULL;
}

2
render/meson.build
View File

@ -46,4 +46,6 @@ if lcms2.found()
wlr_deps += lcms2
wlr_files += files('color_lcms2.c')
features += { 'color-management': true }
else
wlr_files += files('color_fallback.c')
endif