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6e88eeadeb
We'll use this function from wlr_shm too. Add some assertions, use int32_t (since the wire protocol uses that, and we don't want to use 16-bit integers on exotic systems) and switch the stride check to be overflow-safe.
28 lines
708 B
C
28 lines
708 B
C
#ifndef RENDER_PIXEL_FORMAT_H
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#define RENDER_PIXEL_FORMAT_H
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#include <wayland-server-protocol.h>
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struct wlr_pixel_format_info {
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uint32_t drm_format;
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/* Equivalent of the format if it has an alpha channel,
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* DRM_FORMAT_INVALID (0) if NA
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*/
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uint32_t opaque_substitute;
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/* Bits per pixels */
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uint32_t bpp;
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/* True if the format has an alpha channel */
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bool has_alpha;
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};
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const struct wlr_pixel_format_info *drm_get_pixel_format_info(uint32_t fmt);
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bool pixel_format_info_check_stride(const struct wlr_pixel_format_info *info,
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int32_t stride, int32_t width);
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uint32_t convert_wl_shm_format_to_drm(enum wl_shm_format fmt);
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enum wl_shm_format convert_drm_format_to_wl_shm(uint32_t fmt);
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#endif
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