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4a85b0b51e
Add drm_fb_build_fourcc_list() function that builds a list of supported formats from native and emulated ones. Helpful for all drivers that do format conversion as part of their plane updates. Update current caller. v3: * improve warnings on ignored formats (Sam) v2: * use u32 instead of uint32_t (Sam) * print a warning if output array is too small (Sam) * comment fixes (Sam) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220905141648.22013-5-tzimmermann@suse.de
56 lines
2.4 KiB
C
56 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2016 Noralf Trønnes
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*/
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#ifndef __LINUX_DRM_FORMAT_HELPER_H
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#define __LINUX_DRM_FORMAT_HELPER_H
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#include <linux/types.h>
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struct drm_device;
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struct drm_format_info;
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struct drm_framebuffer;
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struct drm_rect;
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struct iosys_map;
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unsigned int drm_fb_clip_offset(unsigned int pitch, const struct drm_format_info *format,
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const struct drm_rect *clip);
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void drm_fb_memcpy(struct iosys_map *dst, const unsigned int *dst_pitch,
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const struct iosys_map *src, const struct drm_framebuffer *fb,
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const struct drm_rect *clip);
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void drm_fb_swab(struct iosys_map *dst, const unsigned int *dst_pitch,
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const struct iosys_map *src, const struct drm_framebuffer *fb,
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const struct drm_rect *clip, bool cached);
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void drm_fb_xrgb8888_to_rgb332(struct iosys_map *dst, const unsigned int *dst_pitch,
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const struct iosys_map *src, const struct drm_framebuffer *fb,
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const struct drm_rect *clip);
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void drm_fb_xrgb8888_to_rgb565(struct iosys_map *dst, const unsigned int *dst_pitch,
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const struct iosys_map *src, const struct drm_framebuffer *fb,
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const struct drm_rect *clip, bool swab);
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void drm_fb_xrgb8888_to_rgb888(struct iosys_map *dst, const unsigned int *dst_pitch,
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const struct iosys_map *src, const struct drm_framebuffer *fb,
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const struct drm_rect *clip);
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void drm_fb_xrgb8888_to_xrgb2101010(struct iosys_map *dst, const unsigned int *dst_pitch,
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const struct iosys_map *src, const struct drm_framebuffer *fb,
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const struct drm_rect *clip);
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void drm_fb_xrgb8888_to_gray8(struct iosys_map *dst, const unsigned int *dst_pitch,
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const struct iosys_map *src, const struct drm_framebuffer *fb,
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const struct drm_rect *clip);
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int drm_fb_blit(struct iosys_map *dst, const unsigned int *dst_pitch, uint32_t dst_format,
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const struct iosys_map *src, const struct drm_framebuffer *fb,
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const struct drm_rect *rect);
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void drm_fb_xrgb8888_to_mono(struct iosys_map *dst, const unsigned int *dst_pitch,
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const struct iosys_map *src, const struct drm_framebuffer *fb,
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const struct drm_rect *clip);
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size_t drm_fb_build_fourcc_list(struct drm_device *dev,
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const u32 *native_fourccs, size_t native_nfourccs,
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const u32 *extra_fourccs, size_t extra_nfourccs,
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u32 *fourccs_out, size_t nfourccs_out);
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#endif /* __LINUX_DRM_FORMAT_HELPER_H */
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