1/* Copyright (c) 2013-2015 Jeffrey Pfau
 2 *
 3 * This Source Code Form is subject to the terms of the Mozilla Public
 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 6#ifndef VIDEO_THREAD_PROXY_H
 7#define VIDEO_THREAD_PROXY_H
 8
 9#include <mgba-util/common.h>
10
11CXX_GUARD_START
12
13#include <mgba/internal/gba/video.h>
14#include <mgba-util/threading.h>
15#include <mgba-util/ring-fifo.h>
16
17enum GBAVideoThreadProxyState {
18	PROXY_THREAD_STOPPED = 0,
19	PROXY_THREAD_IDLE,
20	PROXY_THREAD_BUSY
21};
22
23struct GBAVideoThreadProxyRenderer {
24	struct GBAVideoRenderer d;
25	struct GBAVideoRenderer* backend;
26
27	Thread thread;
28	Condition fromThreadCond;
29	Condition toThreadCond;
30	Mutex mutex;
31	enum GBAVideoThreadProxyState threadState;
32
33	struct RingFIFO dirtyQueue;
34
35	uint32_t vramDirtyBitmap;
36	uint32_t oamDirtyBitmap[16];
37
38	uint16_t* vramProxy;
39	union GBAOAM oamProxy;
40	uint16_t paletteProxy[512];
41};
42
43void GBAVideoThreadProxyRendererCreate(struct GBAVideoThreadProxyRenderer* renderer, struct GBAVideoRenderer* backend);
44
45CXX_GUARD_END
46
47#endif