main: add setting for DRM/pixman shadow framebuffer
Allows to control the Pixman-renderer shadow framebuffer usage from weston.ini. It defaults to enabled, and whether it is a good idea to disable or not depends on the platform and the workload. Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk> Signed-off-by: Fabien Lahoudere <fabien.lahoudere@collabora.com> Reviewed-by: Ian Ray <ian.ray@ge.com>
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@ -1286,6 +1286,7 @@ load_drm_backend(struct weston_compositor *c,
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struct weston_drm_backend_config config = {{ 0, }};
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struct weston_config_section *section;
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struct wet_compositor *wet = to_wet_compositor(c);
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int use_shadow;
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int ret = 0;
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wet->drm_use_current_mode = false;
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@ -1306,6 +1307,8 @@ load_drm_backend(struct weston_compositor *c,
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NULL);
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weston_config_section_get_uint(section, "pageflip-timeout",
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&config.pageflip_timeout, 0);
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weston_config_section_get_bool(section, "pixman-shadow", &use_shadow, 1);
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config.use_pixman_shadow = use_shadow;
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config.base.struct_version = WESTON_DRM_BACKEND_CONFIG_VERSION;
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config.base.struct_size = sizeof(struct weston_drm_backend_config);
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@ -79,6 +79,10 @@ Transform for the output, which can be rotated in 90-degree steps
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and possibly flipped. Possible values are
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.BR normal ", " 90 ", " 180 ", " 270 ", "
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.BR flipped ", " flipped-90 ", " flipped-180 ", and " flipped-270 .
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.TP
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\fBpixman-shadow\fR=\fIboolean\fR
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If using the Pixman-renderer, use shadow framebuffers. Defaults to
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.BR true .
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.
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.\" ***************************************************************
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.SH OPTIONS
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