root / qemu-pixman.c @ daa8e5a0
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/*
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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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#include "qemu-pixman.h" |
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int qemu_pixman_get_type(int rshift, int gshift, int bshift) |
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{
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int type = PIXMAN_TYPE_OTHER;
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if (rshift > gshift && gshift > bshift) {
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if (bshift == 0) { |
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type = PIXMAN_TYPE_ARGB; |
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} else {
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#if PIXMAN_VERSION >= PIXMAN_VERSION_ENCODE(0, 21, 8) |
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type = PIXMAN_TYPE_RGBA; |
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#endif
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} |
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} else if (rshift < gshift && gshift < bshift) { |
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if (rshift == 0) { |
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type = PIXMAN_TYPE_ABGR; |
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} else {
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type = PIXMAN_TYPE_BGRA; |
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} |
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} |
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return type;
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} |
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pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf) |
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{
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pixman_format_code_t format; |
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int type;
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type = qemu_pixman_get_type(pf->rshift, pf->gshift, pf->bshift); |
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format = PIXMAN_FORMAT(pf->bits_per_pixel, type, |
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pf->abits, pf->rbits, pf->gbits, pf->bbits); |
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if (!pixman_format_supported_source(format)) {
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return 0; |
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} |
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return format;
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} |
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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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{
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pixman_image_t *image = pixman_image_create_bits(format, width, 1, NULL, 0); |
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assert(image != NULL);
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return image;
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} |
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void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
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int width, int y) |
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{
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pixman_image_composite(PIXMAN_OP_SRC, fb, NULL, linebuf,
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0, y, 0, 0, 0, 0, width, 1); |
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} |
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void qemu_pixman_image_unref(pixman_image_t *image)
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{
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if (image == NULL) { |
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return;
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} |
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pixman_image_unref(image); |
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} |