taisei/src/util/fbpair.c
2024-05-17 14:11:48 +02:00

76 lines
2.4 KiB
C

/*
* This software is licensed under the terms of the MIT License.
* See COPYING for further information.
* ---
* Copyright (c) 2011-2024, Lukas Weber <laochailan@web.de>.
* Copyright (c) 2012-2024, Andrei Alexeyev <akari@taisei-project.org>.
*/
#include "fbpair.h"
static void fbpair_destroy_fb(Framebuffer *fb) {
fbutil_destroy_attachments(fb);
r_framebuffer_destroy(fb);
}
static void fbpair_resize_fb(Framebuffer *fb, FramebufferAttachment attachment, uint width, uint height) {
fbutil_resize_attachment(fb, attachment, width, height);
}
void fbpair_create(FBPair *pair, uint num_attachments, FBAttachmentConfig attachments[num_attachments], const char *debug_label) {
assert(num_attachments > 0 && num_attachments <= FRAMEBUFFER_MAX_ATTACHMENTS);
memset(pair, 0, sizeof(*pair));
char buf[R_DEBUG_LABEL_SIZE];
snprintf(buf, sizeof(buf), "%s FB 1", debug_label);
pair->front = r_framebuffer_create();
r_framebuffer_set_debug_label(pair->front, buf);
fbutil_create_attachments(pair->front, num_attachments, attachments);
snprintf(buf, sizeof(buf), "%s FB 2", debug_label);
pair->back = r_framebuffer_create();
r_framebuffer_set_debug_label(pair->back, buf);
fbutil_create_attachments(pair->back, num_attachments, attachments);
}
void fbpair_destroy(FBPair *pair) {
fbpair_destroy_fb(pair->front);
fbpair_destroy_fb(pair->back);
}
void fbpair_swap(FBPair *pair) {
void *tmp = pair->front;
pair->front = pair->back;
pair->back = tmp;
}
static void fbpair_clear(FBPair *pair) {
r_framebuffer_clear(pair->front, BUFFER_ALL, RGBA(0, 0, 0, 0), 1);
r_framebuffer_clear(pair->back, BUFFER_ALL, RGBA(0, 0, 0, 0), 1);
}
void fbpair_resize(FBPair *pair, FramebufferAttachment attachment, uint width, uint height) {
fbpair_resize_fb(pair->front, attachment, width, height);
fbpair_resize_fb(pair->back, attachment, width, height);
fbpair_clear(pair);
}
void fbpair_resize_all(FBPair *pair, uint width, uint height) {
for(uint i = 0; i < FRAMEBUFFER_MAX_ATTACHMENTS; ++i) {
fbpair_resize_fb(pair->front, i, width, height);
fbpair_resize_fb(pair->back, i, width, height);
}
fbpair_clear(pair);
}
void fbpair_viewport(FBPair *pair, float x, float y, float w, float h) {
r_framebuffer_viewport(pair->front, x, y, w, h);
r_framebuffer_viewport(pair->back, x, y, w, h);
}
void fbpair_viewport_rect(FBPair *pair, FloatRect vp) {
r_framebuffer_viewport_rect(pair->front, vp);
r_framebuffer_viewport_rect(pair->back, vp);
}