77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
#include <assert.h>
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#include <string.h>
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#include <wlr/render/interface.h>
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void wlr_render_pass_init(struct wlr_render_pass *render_pass,
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const struct wlr_render_pass_impl *impl) {
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assert(impl->submit && impl->add_texture && impl->add_rect);
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*render_pass = (struct wlr_render_pass){
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.impl = impl,
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};
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}
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bool wlr_render_pass_submit(struct wlr_render_pass *render_pass) {
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return render_pass->impl->submit(render_pass);
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}
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void wlr_render_pass_add_texture(struct wlr_render_pass *render_pass,
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const struct wlr_render_texture_options *options) {
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// make sure the texture source box does not try and sample outside of the
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// texture
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if (!wlr_fbox_empty(&options->src_box)) {
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const struct wlr_fbox *box = &options->src_box;
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assert(box->x >= 0 && box->y >= 0 &&
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box->x + box->width <= options->texture->width &&
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box->y + box->height <= options->texture->height);
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}
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render_pass->impl->add_texture(render_pass, options);
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}
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void wlr_render_pass_add_rect(struct wlr_render_pass *render_pass,
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const struct wlr_render_rect_options *options) {
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assert(options->box.width >= 0 && options->box.height >= 0);
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render_pass->impl->add_rect(render_pass, options);
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}
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void wlr_render_texture_options_get_src_box(const struct wlr_render_texture_options *options,
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struct wlr_fbox *box) {
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*box = options->src_box;
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if (wlr_fbox_empty(box)) {
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*box = (struct wlr_fbox){
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.width = options->texture->width,
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.height = options->texture->height,
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};
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}
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}
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void wlr_render_texture_options_get_dst_box(const struct wlr_render_texture_options *options,
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struct wlr_box *box) {
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*box = options->dst_box;
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if (wlr_box_empty(box)) {
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box->width = options->texture->width;
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box->height = options->texture->height;
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}
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}
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float wlr_render_texture_options_get_alpha(const struct wlr_render_texture_options *options) {
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if (options->alpha == NULL) {
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return 1;
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}
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return *options->alpha;
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}
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void wlr_render_rect_options_get_box(const struct wlr_render_rect_options *options,
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const struct wlr_buffer *buffer, struct wlr_box *box) {
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if (wlr_box_empty(&options->box)) {
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*box = (struct wlr_box){
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.width = buffer->width,
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.height = buffer->height,
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};
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return;
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}
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*box = options->box;
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}
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