43c7d8bd44
Helper function for copying data from linebuf to framebuffer using pixman, possibly converting in case src and dst formats differ. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef QEMU_PIXMAN_H
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#define QEMU_PIXMAN_H
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/* pixman-0.16.0 headers have a redundant declaration */
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#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wredundant-decls"
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#endif
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#include <pixman.h>
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#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
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#pragma GCC diagnostic pop
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#endif
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#include "qemu/typedefs.h"
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/*
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* pixman image formats are defined to be native endian,
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* that means host byte order on qemu. So we go define
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* fixed formats here for cases where it is needed, like
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* feeding libjpeg / libpng and writing screenshots.
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*/
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#ifdef HOST_WORDS_BIGENDIAN
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# define PIXMAN_BE_r8g8b8 PIXMAN_r8g8b8
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#else
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# define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8
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#endif
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/* -------------------------------------------------------------------- */
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PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
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pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
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int qemu_pixman_get_type(int rshift, int gshift, int bshift);
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pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);
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pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
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int width);
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void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
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int width, int x, int y);
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void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
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pixman_image_t *linebuf);
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pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
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pixman_image_t *image);
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void qemu_pixman_image_unref(pixman_image_t *image);
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pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color);
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pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
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unsigned int ch);
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void qemu_pixman_glyph_render(pixman_image_t *glyph,
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pixman_image_t *surface,
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pixman_color_t *fgcol,
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pixman_color_t *bgcol,
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int x, int y, int cw, int ch);
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#endif /* QEMU_PIXMAN_H */
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