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render: Add region of interest to wlr_texture_read_pixels_options

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This adds a region of interest option, outside of which data need not be
copied.
This commit is contained in:
Andri Yngvason 2024-05-01 13:24:35 +00:00
parent 341154a5f6
commit 55e794203a
3 changed files with 19 additions and 2 deletions
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5
render/pixman/renderer.c
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@ -107,9 +107,12 @@ static bool texture_read_pixels(struct wlr_texture *wlr_texture,
pixman_image_t *dst = pixman_image_create_bits_no_clear(fmt,
src.width, src.height, p, options->stride);
if (options->roi) {
pixman_image_set_clip_region32(dst, options->roi);
}
pixman_image_composite32(PIXMAN_OP_SRC, texture->image, NULL, dst,
src.x, src.y, 0, 0, 0, 0, src.width, src.height);
pixman_image_unref(dst);
return true;