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render: add render pass helpers

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This commit is contained in:
Simon Ser 2023-04-14 17:50:26 +02:00
parent 756dedae20
commit 4a1ad32534
2 changed files with 33 additions and 0 deletions
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6
include/wlr/render/interface.h
View file

@ -79,4 +79,10 @@ struct wlr_render_pass_impl {
const struct wlr_render_rect_options *options);
};
void wlr_render_texture_options_get_src_box(const struct wlr_render_texture_options *options,
struct wlr_fbox *box);
void wlr_render_texture_options_get_dst_box(const struct wlr_render_texture_options *options,
struct wlr_box *box);
float wlr_render_texture_options_get_alpha(const struct wlr_render_texture_options *options);
#endif

27
render/pass.c
View file

@ -23,3 +23,30 @@ void wlr_render_pass_add_rect(struct wlr_render_pass *render_pass,
const struct wlr_render_rect_options *options) {
render_pass->impl->add_rect(render_pass, options);
}
void wlr_render_texture_options_get_src_box(const struct wlr_render_texture_options *options,
struct wlr_fbox *box) {
*box = options->src_box;
if (wlr_fbox_empty(box)) {
*box = (struct wlr_fbox){
.width = options->texture->width,
.height = options->texture->height,
};
}
}
void wlr_render_texture_options_get_dst_box(const struct wlr_render_texture_options *options,
struct wlr_box *box) {
*box = options->dst_box;
if (wlr_box_empty(box)) {
box->width = options->texture->width;
box->height = options->texture->height;
}
}
float wlr_render_texture_options_get_alpha(const struct wlr_render_texture_options *options) {
if (options->alpha == NULL) {
return 1;
}
return *options->alpha;
}