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backend-headless: choose pixel format by drm_fourcc 

Pixman image formats are CPU-endianess dependent while drm_fourcc are
not. Standardise around drm_fourcc because DRM-backend uses them anyway.

This also makes Pixman-renderer use the same format as GL-renderer will
prefer on headless.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Pekka Paalanen 2022-07-20 14:52:41 +03:00 committed by Pekka Paalanen
parent dd706d5953
commit 8b6c3fe0ad
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libweston/backend-headless/headless.c
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@ -37,6 +37,7 @@
#include <libweston/backend-headless.h>
#include "shared/helpers.h"
#include "linux-explicit-synchronization.h"
#include "pixel-formats.h"
#include "pixman-renderer.h"
#include "renderer-gl/gl-renderer.h"
#include "shared/weston-drm-fourcc.h"
@ -74,7 +75,7 @@ struct headless_output {
};
static const uint32_t headless_formats[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_XRGB8888, /* default for pixman-renderer */
DRM_FORMAT_ARGB8888,
};
@ -231,12 +232,15 @@ headless_output_enable_gl(struct headless_output *output)
static int
headless_output_enable_pixman(struct headless_output *output)
{
const struct pixel_format_info *pfmt;
const struct pixman_renderer_output_options options = {
.use_shadow = true,
};
pfmt = pixel_format_get_info(headless_formats[0]);
output->image =
pixman_image_create_bits_no_clear(PIXMAN_x8r8g8b8,
pixman_image_create_bits_no_clear(pfmt->pixman_format,
output->base.current_mode->width,
output->base.current_mode->height,
NULL, 0);