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clutter/color-state: Add a way to query if fp16 is needed for storage

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Some color states, currently only the ones with linear transfer
characteristics, need at least half float formats for storing components
of that color state.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3897>
This commit is contained in:
Sebastian Wick
2024-07-18 13:49:46 +02:00
committed by Marge Bot
parent 6a2ce066b0
commit b1370a483e
4 changed files with 48 additions and 5 deletions
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12
src/backends/native/meta-renderer-native.c
View File

@ -1558,8 +1558,14 @@ meta_renderer_native_create_view (MetaRenderer *renderer,
CoglPixelFormat formats[10];
size_t n_formats = 0;
CoglPixelFormat format;
ClutterEncodingRequiredFormat required_format =
clutter_color_state_required_format (view_color_state);
if (view_transfer_function == CLUTTER_TRANSFER_FUNCTION_LINEAR)
if (required_format <= CLUTTER_ENCODING_REQUIRED_FORMAT_UINT8)
{
formats[n_formats++] = cogl_framebuffer_get_internal_format (framebuffer);
}
else
{
formats[n_formats++] = COGL_PIXEL_FORMAT_XRGB_FP_16161616;
formats[n_formats++] = COGL_PIXEL_FORMAT_XBGR_FP_16161616;
@ -1568,10 +1574,6 @@ meta_renderer_native_create_view (MetaRenderer *renderer,
formats[n_formats++] = COGL_PIXEL_FORMAT_ARGB_FP_16161616_PRE;
formats[n_formats++] = COGL_PIXEL_FORMAT_ABGR_FP_16161616_PRE;
}
else
{
formats[n_formats++] = cogl_framebuffer_get_internal_format (framebuffer);
}
if (meta_monitor_transform_is_rotated (view_transform))
{