Mercurial > repos > blastem

annotate libblastem.c @ 1691:e96d0d3bec7f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Don't leak a system context when a game is unloaded
author Mike Pavone <pavone@retrodev.com>
date Sun, 20 Jan 2019 22:48:16 -0800
parents 319d90025d50
children 9e4dd1595f37
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1688
395f684c5379 Fixed the most glaring issues in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1687
diff changeset
1 #include <stdlib.h>
395f684c5379 Fixed the most glaring issues in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1687
diff changeset
2 #include <string.h>
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 #include "libretro.h"
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 #include "system.h"
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5 #include "util.h"
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6 #include "vdp.h"
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7 #include "render.h"
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8 #include "io.h"
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
9
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
10 static retro_environment_t retro_environment;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
11 RETRO_API void retro_set_environment(retro_environment_t re)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
13 retro_environment = re;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
14 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
15
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
16 static retro_video_refresh_t retro_video_refresh;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
17 RETRO_API void retro_set_video_refresh(retro_video_refresh_t rvf)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
18 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
19 retro_video_refresh = rvf;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
20 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
21
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
22 static retro_audio_sample_t retro_audio_sample;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
23 RETRO_API void retro_set_audio_sample(retro_audio_sample_t ras)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
24 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
25 retro_audio_sample = ras;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
26 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
27
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
28 RETRO_API void retro_set_audio_sample_batch(retro_audio_sample_batch_t rasb)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
29 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
30 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
31
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
32 static retro_input_poll_t retro_input_poll;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
33 RETRO_API void retro_set_input_poll(retro_input_poll_t rip)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
34 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
35 retro_input_poll = rip;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
36 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
37
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
38 static retro_input_state_t retro_input_state;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
39 RETRO_API void retro_set_input_state(retro_input_state_t ris)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
40 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
41 retro_input_state = ris;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
42 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
43
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
44 int headless = 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
45 int exit_after = 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
46 int z80_enabled = 1;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
47 char *save_filename;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
48 tern_node *config;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
49 uint8_t use_native_states = 1;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
50 system_header *current_system;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
51 system_media media;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
52
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
53 RETRO_API void retro_init(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
54 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
55 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
56
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
57 RETRO_API void retro_deinit(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
58 {
1691
e96d0d3bec7f Don't leak a system context when a game is unloaded
Mike Pavone <pavone@retrodev.com>
parents: 1690
diff changeset
59 if (current_system) {
e96d0d3bec7f Don't leak a system context when a game is unloaded
Mike Pavone <pavone@retrodev.com>
parents: 1690
diff changeset
60 retro_unload_game();
e96d0d3bec7f Don't leak a system context when a game is unloaded
Mike Pavone <pavone@retrodev.com>
parents: 1690
diff changeset
61 }
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
62 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
63
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
64 RETRO_API unsigned retro_api_version(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
65 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
66 return RETRO_API_VERSION;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
67 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
68
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
69 RETRO_API void retro_get_system_info(struct retro_system_info *info)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
70 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
71 info->library_name = "BlastEm";
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
72 info->library_version = "0.6.2-pre"; //TODO: share this with blastem.c
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
73 info->valid_extensions = "md|gen|sms|bin|rom";
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
74 info->need_fullpath = 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
75 info->block_extract = 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
76 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
77
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
78 static vid_std video_standard;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
79 RETRO_API void retro_get_system_av_info(struct retro_system_av_info *info)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
80 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
81 info->geometry.base_width = info->geometry.max_width = LINEBUF_SIZE;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
82 info->geometry.base_height = info->geometry.max_height = video_standard == VID_NTSC ? 243 : 294;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
83 info->geometry.aspect_ratio = 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
84 info->timing.fps = video_standard == VID_NTSC ? 60 : 50;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
85 info->timing.sample_rate = 53267; //approximate sample rate of YM2612
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
86 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
87
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
88 RETRO_API void retro_set_controller_port_device(unsigned port, unsigned device)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
89 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
90 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
91
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
92 /* Resets the current game. */
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
93 RETRO_API void retro_reset(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
94 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
95 current_system->soft_reset(current_system);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
96 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
97
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
98 /* Runs the game for one video frame.
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
99 * During retro_run(), input_poll callback must be called at least once.
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
100 *
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
101 * If a frame is not rendered for reasons where a game "dropped" a frame,
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
102 * this still counts as a frame, and retro_run() should explicitly dupe
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
103 * a frame if GET_CAN_DUPE returns true.
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
104 * In this case, the video callback can take a NULL argument for data.
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
105 */
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
106 static uint8_t started;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
107 RETRO_API void retro_run(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
108 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
109 if (started) {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
110 current_system->resume_context(current_system);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
111 } else {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
112 current_system->start_context(current_system, NULL);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
113 started = 1;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
114 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
115 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
116
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
117 /* Returns the amount of data the implementation requires to serialize
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
118 * internal state (save states).
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
119 * Between calls to retro_load_game() and retro_unload_game(), the
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
120 * returned size is never allowed to be larger than a previous returned
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
121 * value, to ensure that the frontend can allocate a save state buffer once.
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
122 */
1690
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
123 static size_t serialize_size_cache;
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
124 RETRO_API size_t retro_serialize_size(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
125 {
1690
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
126 if (!serialize_size_cache) {
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
127 uint8_t *tmp = current_system->serialize(current_system, &serialize_size_cache);
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
128 free(tmp);
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
129 }
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
130 return serialize_size_cache;
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
131 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
132
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
133 /* Serializes internal state. If failed, or size is lower than
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
134 * retro_serialize_size(), it should return false, true otherwise. */
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
135 RETRO_API bool retro_serialize(void *data, size_t size)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
136 {
1690
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
137 size_t actual_size;
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
138 uint8_t *tmp = current_system->serialize(current_system, &actual_size);
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
139 if (actual_size > size) {
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
140 free(tmp);
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
141 return 0;
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
142 }
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
143 memcpy(data, tmp, actual_size);
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
144 free(tmp);
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
145 return 1;
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
146 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
147
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
148 RETRO_API bool retro_unserialize(const void *data, size_t size)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
149 {
1690
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
150 current_system->deserialize(current_system, (uint8_t *)data, size);
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
151 return 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
152 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
153
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
154 RETRO_API void retro_cheat_reset(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
155 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
156 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
157
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
158 RETRO_API void retro_cheat_set(unsigned index, bool enabled, const char *code)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
159 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
160 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
161
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
162 /* Loads a game. */
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
163 RETRO_API bool retro_load_game(const struct retro_game_info *game)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
164 {
1690
319d90025d50 Implement serialization/deserialization in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1689
diff changeset
165 serialize_size_cache = 0;
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
166 if (game->path) {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
167 media.dir = path_dirname(game->path);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
168 media.name = basename_no_extension(game->path);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
169 media.extension = path_extension(game->path);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
170 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
171 media.buffer = malloc(nearest_pow2(game->size));
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
172 memcpy(media.buffer, game->data, game->size);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
173 media.size = game->size;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
174 current_system = alloc_config_system(detect_system_type(&media), &media, 0, 0);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
175
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
176 unsigned format = RETRO_PIXEL_FORMAT_XRGB8888;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
177 retro_environment(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &format);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
178 return current_system != NULL;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
179 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
180
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
181 /* Loads a "special" kind of game. Should not be used,
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
182 * except in extreme cases. */
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
183 RETRO_API bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
184 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
185 return retro_load_game(info);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
186 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
187
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
188 /* Unloads a currently loaded game. */
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
189 RETRO_API void retro_unload_game(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
190 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
191 free(media.dir);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
192 free(media.name);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
193 free(media.extension);
1691
e96d0d3bec7f Don't leak a system context when a game is unloaded
Mike Pavone <pavone@retrodev.com>
parents: 1690
diff changeset
194 media.dir = media.name = media.extension = NULL;
e96d0d3bec7f Don't leak a system context when a game is unloaded
Mike Pavone <pavone@retrodev.com>
parents: 1690
diff changeset
195 //buffer is freed by the context
e96d0d3bec7f Don't leak a system context when a game is unloaded
Mike Pavone <pavone@retrodev.com>
parents: 1690
diff changeset
196 media.buffer = NULL;
e96d0d3bec7f Don't leak a system context when a game is unloaded
Mike Pavone <pavone@retrodev.com>
parents: 1690
diff changeset
197 current_system->free_context(current_system);
e96d0d3bec7f Don't leak a system context when a game is unloaded
Mike Pavone <pavone@retrodev.com>
parents: 1690
diff changeset
198 current_system = NULL;
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
199 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
200
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
201 /* Gets region of game. */
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
202 RETRO_API unsigned retro_get_region(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
203 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
204 return video_standard == VID_NTSC ? RETRO_REGION_NTSC : RETRO_REGION_PAL;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
205 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
206
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
207 /* Gets region of memory. */
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
208 RETRO_API void *retro_get_memory_data(unsigned id)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
209 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
210 return NULL;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
211 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
212
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
213 RETRO_API size_t retro_get_memory_size(unsigned id)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
214 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
215 return 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
216 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
217
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
218 //blastem render backend API implementation
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
219 uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
220 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
221 return r << 16 | g << 8 | b;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
222 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
223
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
224 uint8_t render_create_window(char *caption, uint32_t width, uint32_t height, window_close_handler close_handler)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
225 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
226 //not supported in lib build
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
227 return 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
228 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
229
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
230 void render_destroy_window(uint8_t which)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
231 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
232 //not supported in lib build
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
233 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
234
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
235 static uint32_t fb[LINEBUF_SIZE * 294 * 2];
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
236 uint32_t *render_get_framebuffer(uint8_t which, int *pitch)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
237 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
238 *pitch = LINEBUF_SIZE * sizeof(uint32_t);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
239 //TODO: deal with interlace
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
240 return fb;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
241 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
242
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
243 void render_framebuffer_updated(uint8_t which, int width)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
244 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
245 //TODO: Deal with 256 px wide modes
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
246 //TODO: deal with interlace
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
247 retro_video_refresh(fb, LINEBUF_SIZE, video_standard == VID_NTSC ? 243 : 294, LINEBUF_SIZE * sizeof(uint32_t));
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
248 current_system->request_exit(current_system);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
249 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
250
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
251 uint8_t render_get_active_framebuffer(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
252 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
253 return 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
254 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
255
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
256 void render_set_video_standard(vid_std std)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
257 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
258 video_standard = std;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
259 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
260
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
261 void process_events()
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
262 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
263 static int16_t prev_state[2][RETRO_DEVICE_ID_JOYPAD_L2];
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
264 static const uint8_t map[] = {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
265 BUTTON_A, BUTTON_X, BUTTON_MODE, BUTTON_START, DPAD_UP, DPAD_DOWN,
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
266 DPAD_LEFT, DPAD_RIGHT, BUTTON_B, BUTTON_Y, BUTTON_Z, BUTTON_C
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
267 };
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
268 //TODO: handle other input device types
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
269 //TODO: handle more than 2 ports when appropriate
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
270 retro_input_poll();
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
271 for (int port = 0; port < 2; port++)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
272 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
273 for (int id = RETRO_DEVICE_ID_JOYPAD_B; id < RETRO_DEVICE_ID_JOYPAD_L2; id++)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
274 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
275 int16_t new_state = retro_input_state(port, RETRO_DEVICE_JOYPAD, 0, id);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
276 if (new_state != prev_state[port][id]) {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
277 if (new_state) {
1689
7f42a93f18a4 Have a suitable default IO port configuration when nonIO is present from the config file. Fixed off by one in processing gamepad button events in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1688
diff changeset
278 current_system->gamepad_down(current_system, port + 1, map[id]);
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
279 } else {
1689
7f42a93f18a4 Have a suitable default IO port configuration when nonIO is present from the config file. Fixed off by one in processing gamepad button events in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1688
diff changeset
280 current_system->gamepad_up(current_system, port + 1, map[id]);
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
281 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
282 prev_state[port][id] = new_state;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
283 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
284 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
285 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
286 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
287
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
288 void render_errorbox(char *title, char *message)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
289 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
290 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
291 void render_warnbox(char *title, char *message)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
292 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
293 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
294 void render_infobox(char *title, char *message)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
295 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
296 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
297
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
298 struct audio_source {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
299 int32_t freq;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
300 int32_t left_accum;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
301 int32_t right_accum;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
302 int32_t num_samples;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
303 };
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
304
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
305 static audio_source *audio_sources[8];
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
306 static uint8_t num_audio_sources;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
307 audio_source *render_audio_source(uint64_t master_clock, uint64_t sample_divider, uint8_t channels)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
308 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
309 audio_sources[num_audio_sources] = calloc(1, sizeof(audio_source));
1688
395f684c5379 Fixed the most glaring issues in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1687
diff changeset
310 audio_sources[num_audio_sources]->freq = master_clock / sample_divider;
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
311 return audio_sources[num_audio_sources++];
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
312 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
313
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
314 void render_audio_adjust_clock(audio_source *src, uint64_t master_clock, uint64_t sample_divider)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
315 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
316 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
317
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
318 static void check_put_sample(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
319 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
320 for (int i = 0; i < num_audio_sources; i++)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
321 {
1688
395f684c5379 Fixed the most glaring issues in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1687
diff changeset
322 int32_t min_samples = audio_sources[i]->freq / 53267;
395f684c5379 Fixed the most glaring issues in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1687
diff changeset
323 if (audio_sources[i]->num_samples < min_samples) {
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
324 return;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
325 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
326 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
327 int16_t left = 0, right = 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
328 for (int i = 0; i < num_audio_sources; i++)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
329 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
330 left += audio_sources[i]->left_accum / audio_sources[i]->num_samples;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
331 right += audio_sources[i]->right_accum / audio_sources[i]->num_samples;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
332 audio_sources[i]->left_accum = audio_sources[i]->right_accum = audio_sources[i]->num_samples = 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
333 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
334 retro_audio_sample(left, right);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
335 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
336
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
337 void render_put_mono_sample(audio_source *src, int16_t value)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
338 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
339 src->left_accum += value;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
340 src->right_accum += value;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
341 src->num_samples++;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
342 check_put_sample();
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
343 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
344 void render_put_stereo_sample(audio_source *src, int16_t left, int16_t right)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
345 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
346 src->left_accum += left;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
347 src->right_accum += right;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
348 src->num_samples++;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
349 check_put_sample();
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
350 }
1688
395f684c5379 Fixed the most glaring issues in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1687
diff changeset
351
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
352 void render_free_source(audio_source *src)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
353 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
354 int index;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
355 for (index = 0; index < num_audio_sources; index++)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
356 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
357 if (audio_sources[index] == src) {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
358 break;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
359 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
360 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
361 num_audio_sources--;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
362 audio_sources[index] = audio_sources[num_audio_sources];
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
363 free(src);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
364 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
365
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
366 void bindings_set_mouse_mode(uint8_t mode)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
367 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
368 }