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annotate libblastem.c @ 1944:357878be8be6

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Fix vgmplay target
author Michael Pavone <pavone@retrodev.com>
date Sun, 26 Apr 2020 14:56:44 -0700
parents b387f1c5a1d0
children 81df9aa2de9b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #include <stdlib.h>
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2 #include <string.h>
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3 #include "libretro.h"
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4 #include "system.h"
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5 #include "util.h"
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6 #include "vdp.h"
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7 #include "render.h"
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8 #include "io.h"
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9 #include "genesis.h"
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10 #include "sms.h"
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11
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12 static retro_environment_t retro_environment;
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13 RETRO_API void retro_set_environment(retro_environment_t re)
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14 {
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15 retro_environment = re;
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16 # define input_descriptor_macro(pad_num) \
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17 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" }, \
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18 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" }, \
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19 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" }, \
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20 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" }, \
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21 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "A" }, \
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22 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "B" }, \
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23 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_X, "Y" }, \
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24 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "X" }, \
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25 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "Z" }, \
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26 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "C" }, \
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27 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Mode" }, \
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28 { pad_num, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" }, \
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29
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30 static const struct retro_input_descriptor desc[] = {
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31 input_descriptor_macro(0)
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32 input_descriptor_macro(1)
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33 input_descriptor_macro(2)
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34 input_descriptor_macro(3)
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35 input_descriptor_macro(4)
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36 input_descriptor_macro(5)
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37 input_descriptor_macro(6)
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38 input_descriptor_macro(7)
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39 { 0 },
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40 };
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41
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42 re(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, (void *)desc);
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43 }
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44
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45 static retro_video_refresh_t retro_video_refresh;
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46 RETRO_API void retro_set_video_refresh(retro_video_refresh_t rvf)
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47 {
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48 retro_video_refresh = rvf;
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49 }
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50
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51 RETRO_API void retro_set_audio_sample(retro_audio_sample_t ras)
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52 {
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53 }
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54
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55 static retro_audio_sample_batch_t retro_audio_sample_batch;
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56 RETRO_API void retro_set_audio_sample_batch(retro_audio_sample_batch_t rasb)
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57 {
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58 retro_audio_sample_batch = rasb;
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59 }
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60
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61 static retro_input_poll_t retro_input_poll;
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62 RETRO_API void retro_set_input_poll(retro_input_poll_t rip)
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63 {
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64 retro_input_poll = rip;
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65 }
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66
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67 static retro_input_state_t retro_input_state;
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68 RETRO_API void retro_set_input_state(retro_input_state_t ris)
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69 {
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70 retro_input_state = ris;
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71 }
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72
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73 int headless = 0;
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74 int exit_after = 0;
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75 int z80_enabled = 1;
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76 char *save_filename;
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77 tern_node *config;
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78 uint8_t use_native_states = 1;
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79 system_header *current_system;
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80 system_media media;
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81
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82 RETRO_API void retro_init(void)
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83 {
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84 render_audio_initialized(RENDER_AUDIO_S16, 53693175 / (7 * 6 * 4), 2, 4, sizeof(int16_t));
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85 }
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86
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87 RETRO_API void retro_deinit(void)
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88 {
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89 if (current_system) {
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90 retro_unload_game();
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91 }
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92 }
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93
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94 RETRO_API unsigned retro_api_version(void)
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95 {
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96 return RETRO_API_VERSION;
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97 }
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98
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99 RETRO_API void retro_get_system_info(struct retro_system_info *info)
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100 {
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101 info->library_name = "BlastEm";
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102 info->library_version = "0.6.3-pre"; //TODO: share this with blastem.c
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103 info->valid_extensions = "md|gen|sms|bin|rom";
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104 info->need_fullpath = 0;
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105 info->block_extract = 0;
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106 }
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107
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108 static vid_std video_standard;
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109 static uint32_t last_width, last_height;
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110 static uint32_t overscan_top, overscan_bot, overscan_left, overscan_right;
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111 static void update_overscan(void)
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112 {
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113 uint8_t overscan;
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114 retro_environment(RETRO_ENVIRONMENT_GET_OVERSCAN, &overscan);
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115 if (overscan) {
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116 overscan_top = overscan_bot = overscan_left = overscan_right = 0;
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117 } else {
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118 if (video_standard == VID_NTSC) {
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119 overscan_top = 11;
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120 overscan_bot = 8;
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121 overscan_left = 13;
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122 overscan_right = 14;
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123 } else {
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124 overscan_top = 30;
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125 overscan_bot = 24;
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126 overscan_left = 13;
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127 overscan_right = 14;
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128 }
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129 }
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130 }
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131
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132 static int32_t sample_rate;
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133 RETRO_API void retro_get_system_av_info(struct retro_system_av_info *info)
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134 {
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135 update_overscan();
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136 last_width = LINEBUF_SIZE;
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137 info->geometry.base_width = info->geometry.max_width = LINEBUF_SIZE - (overscan_left + overscan_right);
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diff changeset
138 info->geometry.base_height = (video_standard == VID_NTSC ? 243 : 294) - (overscan_top + overscan_bot);
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3c34122754ac Properly support interlace in libretro build
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diff changeset
139 last_height = info->geometry.base_height;
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140 info->geometry.max_height = info->geometry.base_height * 2;
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141 info->geometry.aspect_ratio = 0;
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diff changeset
142 double master_clock = video_standard == VID_NTSC ? 53693175 : 53203395;
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parents: 1882
diff changeset
143 double lines = video_standard == VID_NTSC ? 262 : 313;
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parents: 1882
diff changeset
144 info->timing.fps = master_clock / (3420.0 * lines);
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parents: 1882
diff changeset
145 info->timing.sample_rate = master_clock / (7 * 6 * 24); //sample rate of YM2612
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parents: 1882
diff changeset
146 sample_rate = info->timing.sample_rate;
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
147 render_audio_initialized(RENDER_AUDIO_S16, info->timing.sample_rate, 2, 4, sizeof(int16_t));
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diff changeset
148 //force adjustment of resampling parameters since target sample rate may have changed slightly
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parents: 1926
diff changeset
149 current_system->set_speed_percent(current_system, 100);
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150 }
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151
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152 RETRO_API void retro_set_controller_port_device(unsigned port, unsigned device)
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153 {
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parents:
diff changeset
154 }
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155
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parents:
diff changeset
156 /* Resets the current game. */
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parents:
diff changeset
157 RETRO_API void retro_reset(void)
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parents:
diff changeset
158 {
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diff changeset
159 current_system->soft_reset(current_system);
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diff changeset
160 }
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161
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parents:
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162 /* Runs the game for one video frame.
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parents:
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163 * During retro_run(), input_poll callback must be called at least once.
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164 *
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165 * If a frame is not rendered for reasons where a game "dropped" a frame,
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parents:
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166 * this still counts as a frame, and retro_run() should explicitly dupe
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
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167 * a frame if GET_CAN_DUPE returns true.
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168 * In this case, the video callback can take a NULL argument for data.
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
169 */
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diff changeset
170 static uint8_t started;
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171 RETRO_API void retro_run(void)
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172 {
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173 if (started) {
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diff changeset
174 current_system->resume_context(current_system);
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parents:
diff changeset
175 } else {
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parents:
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176 current_system->start_context(current_system, NULL);
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diff changeset
177 started = 1;
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parents:
diff changeset
178 }
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parents:
diff changeset
179 }
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diff changeset
180
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parents:
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181 /* Returns the amount of data the implementation requires to serialize
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parents:
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182 * internal state (save states).
6c54bb5fe3b3 Hacky WIP libertro implementation
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183 * Between calls to retro_load_game() and retro_unload_game(), the
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
184 * returned size is never allowed to be larger than a previous returned
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parents:
diff changeset
185 * value, to ensure that the frontend can allocate a save state buffer once.
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parents:
diff changeset
186 */
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diff changeset
187 static size_t serialize_size_cache;
1687
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188 RETRO_API size_t retro_serialize_size(void)
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diff changeset
189 {
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diff changeset
190 if (!serialize_size_cache) {
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diff changeset
191 uint8_t *tmp = current_system->serialize(current_system, &serialize_size_cache);
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parents: 1689
diff changeset
192 free(tmp);
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diff changeset
193 }
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diff changeset
194 return serialize_size_cache;
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195 }
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parents:
diff changeset
196
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diff changeset
197 /* Serializes internal state. If failed, or size is lower than
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parents:
diff changeset
198 * retro_serialize_size(), it should return false, true otherwise. */
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parents:
diff changeset
199 RETRO_API bool retro_serialize(void *data, size_t size)
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parents:
diff changeset
200 {
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diff changeset
201 size_t actual_size;
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diff changeset
202 uint8_t *tmp = current_system->serialize(current_system, &actual_size);
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parents: 1689
diff changeset
203 if (actual_size > size) {
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parents: 1689
diff changeset
204 free(tmp);
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parents: 1689
diff changeset
205 return 0;
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parents: 1689
diff changeset
206 }
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parents: 1689
diff changeset
207 memcpy(data, tmp, actual_size);
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parents: 1689
diff changeset
208 free(tmp);
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parents: 1689
diff changeset
209 return 1;
1687
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parents:
diff changeset
210 }
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parents:
diff changeset
211
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parents:
diff changeset
212 RETRO_API bool retro_unserialize(const void *data, size_t size)
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parents:
diff changeset
213 {
1690
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diff changeset
214 current_system->deserialize(current_system, (uint8_t *)data, size);
1687
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parents:
diff changeset
215 return 0;
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parents:
diff changeset
216 }
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parents:
diff changeset
217
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parents:
diff changeset
218 RETRO_API void retro_cheat_reset(void)
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parents:
diff changeset
219 {
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
220 }
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
221
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
222 RETRO_API void retro_cheat_set(unsigned index, bool enabled, const char *code)
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parents:
diff changeset
223 {
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parents:
diff changeset
224 }
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
225
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parents:
diff changeset
226 /* Loads a game. */
1924
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
227 static system_type stype;
1687
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diff changeset
228 RETRO_API bool retro_load_game(const struct retro_game_info *game)
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parents:
diff changeset
229 {
1690
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parents: 1689
diff changeset
230 serialize_size_cache = 0;
1687
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parents:
diff changeset
231 if (game->path) {
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
232 media.dir = path_dirname(game->path);
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
233 media.name = basename_no_extension(game->path);
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
234 media.extension = path_extension(game->path);
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
235 }
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
236 media.buffer = malloc(nearest_pow2(game->size));
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
237 memcpy(media.buffer, game->data, game->size);
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
238 media.size = game->size;
1924
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
239 stype = detect_system_type(&media);
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
240 current_system = alloc_config_system(stype, &media, 0, 0);
1687
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parents:
diff changeset
241
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
242 unsigned format = RETRO_PIXEL_FORMAT_XRGB8888;
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
243 retro_environment(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &format);
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
244
1687
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diff changeset
245 return current_system != NULL;
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
246 }
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
247
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
248 /* Loads a "special" kind of game. Should not be used,
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
249 * except in extreme cases. */
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
250 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
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parents:
diff changeset
251 {
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
252 return retro_load_game(info);
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
253 }
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
254
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
255 /* Unloads a currently loaded game. */
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parents:
diff changeset
256 RETRO_API void retro_unload_game(void)
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parents:
diff changeset
257 {
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
258 free(media.dir);
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
259 free(media.name);
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parents:
diff changeset
260 free(media.extension);
1691
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diff changeset
261 media.dir = media.name = media.extension = NULL;
e96d0d3bec7f Don't leak a system context when a game is unloaded
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parents: 1690
diff changeset
262 //buffer is freed by the context
e96d0d3bec7f Don't leak a system context when a game is unloaded
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diff changeset
263 media.buffer = NULL;
e96d0d3bec7f Don't leak a system context when a game is unloaded
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diff changeset
264 current_system->free_context(current_system);
e96d0d3bec7f Don't leak a system context when a game is unloaded
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diff changeset
265 current_system = NULL;
1687
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parents:
diff changeset
266 }
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
267
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parents:
diff changeset
268 /* Gets region of game. */
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
269 RETRO_API unsigned retro_get_region(void)
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parents:
diff changeset
270 {
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
271 return video_standard == VID_NTSC ? RETRO_REGION_NTSC : RETRO_REGION_PAL;
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parents:
diff changeset
272 }
6c54bb5fe3b3 Hacky WIP libertro implementation
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parents:
diff changeset
273
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parents:
diff changeset
274 /* Gets region of memory. */
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parents:
diff changeset
275 RETRO_API void *retro_get_memory_data(unsigned id)
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parents:
diff changeset
276 {
1926
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negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
277 switch (id) {
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
278 case RETRO_MEMORY_SYSTEM_RAM:
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
279 switch (stype) {
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
280 case SYSTEM_GENESIS: {
1924
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
281 genesis_context *gen = (genesis_context *)current_system;
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
282 return (uint8_t *)gen->work_ram;
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
283 }
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
284 #ifndef NO_Z80
1926
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
285 case SYSTEM_SMS: {
1924
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
286 sms_context *sms = (sms_context *)current_system;
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
287 return sms->ram;
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
288 }
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
289 #endif
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
290 }
1926
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
291 break;
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
292 case RETRO_MEMORY_SAVE_RAM:
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
293 if (stype == SYSTEM_GENESIS) {
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
294 genesis_context *gen = (genesis_context *)current_system;
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
295 if (gen->save_type != SAVE_NONE)
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
296 return gen->save_storage;
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
297 }
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
298 break;
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
299 default:
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
300 break;
1924
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
301 }
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
302 return NULL;
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 RETRO_API size_t retro_get_memory_size(unsigned id)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
306 {
1926
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
307 switch (id) {
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
308 case RETRO_MEMORY_SYSTEM_RAM:
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
309 switch (stype) {
1924
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
310 case SYSTEM_GENESIS:
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
311 return RAM_WORDS * sizeof(uint16_t);
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
312 #ifndef NO_Z80
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
313 case SYSTEM_SMS:
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
314 return SMS_RAM_SIZE;
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
315 #endif
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
316 }
1926
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
317 break;
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
318 case RETRO_MEMORY_SAVE_RAM:
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
319 if (stype == SYSTEM_GENESIS) {
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
320 genesis_context *gen = (genesis_context *)current_system;
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
321 if (gen->save_type != SAVE_NONE)
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
322 return gen->save_size;
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
323 }
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
324 break;
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
325 default:
94f37e4b1469 Add memory hook for genesis/megadrive save and cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1924
diff changeset
326 break;
1924
81b059e3ded6 Add memory hook for cheat/rumble/cheevos support
negativeExponent <negativeExponent@users.noreply.github.com>
parents: 1889
diff changeset
327 }
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
328 return 0;
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
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
331 //blastem render backend API implementation
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
332 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
333 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
334 return r << 16 | g << 8 | b;
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 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
338 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
339 //not supported in lib build
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
340 return 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
341 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
342
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
343 void render_destroy_window(uint8_t which)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
344 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
345 //not supported in lib build
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
346 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
347
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
348 static uint32_t fb[LINEBUF_SIZE * 294 * 2];
1695
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
349 static uint8_t last_fb;
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
350 uint32_t *render_get_framebuffer(uint8_t which, int *pitch)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
351 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
352 *pitch = LINEBUF_SIZE * sizeof(uint32_t);
1695
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
353 if (which != last_fb) {
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
354 *pitch = *pitch * 2;
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
355 }
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
356
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
357 if (which) {
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
358 return fb + LINEBUF_SIZE;
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
359 } else {
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
360 return fb;
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
361 }
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
362 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
363
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
364 void render_framebuffer_updated(uint8_t which, int width)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
365 {
1882
62e8a8833e39 Implement overscan crop in libretro target
Michael Pavone <pavone@retrodev.com>
parents: 1881
diff changeset
366 unsigned height = (video_standard == VID_NTSC ? 243 : 294) - (overscan_top + overscan_bot);
62e8a8833e39 Implement overscan crop in libretro target
Michael Pavone <pavone@retrodev.com>
parents: 1881
diff changeset
367 width -= (overscan_left + overscan_right);
1695
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
368 unsigned base_height = height;
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
369 if (which != last_fb) {
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
370 height *= 2;
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
371 last_fb = which;
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
372 }
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
373 if (width != last_width || height != last_height) {
1694
9e4dd1595f37 Fix aspect ratio for H32 games
Michael Pavone <pavone@retrodev.com>
parents: 1691
diff changeset
374 struct retro_game_geometry geometry = {
9e4dd1595f37 Fix aspect ratio for H32 games
Michael Pavone <pavone@retrodev.com>
parents: 1691
diff changeset
375 .base_width = width,
9e4dd1595f37 Fix aspect ratio for H32 games
Michael Pavone <pavone@retrodev.com>
parents: 1691
diff changeset
376 .base_height = height,
1695
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
377 .aspect_ratio = (float)LINEBUF_SIZE / base_height
1694
9e4dd1595f37 Fix aspect ratio for H32 games
Michael Pavone <pavone@retrodev.com>
parents: 1691
diff changeset
378 };
9e4dd1595f37 Fix aspect ratio for H32 games
Michael Pavone <pavone@retrodev.com>
parents: 1691
diff changeset
379 retro_environment(RETRO_ENVIRONMENT_SET_GEOMETRY, &geometry);
9e4dd1595f37 Fix aspect ratio for H32 games
Michael Pavone <pavone@retrodev.com>
parents: 1691
diff changeset
380 last_width = width;
1695
3c34122754ac Properly support interlace in libretro build
Michael Pavone <pavone@retrodev.com>
parents: 1694
diff changeset
381 last_height = height;
1694
9e4dd1595f37 Fix aspect ratio for H32 games
Michael Pavone <pavone@retrodev.com>
parents: 1691
diff changeset
382 }
1882
62e8a8833e39 Implement overscan crop in libretro target
Michael Pavone <pavone@retrodev.com>
parents: 1881
diff changeset
383 retro_video_refresh(fb + overscan_left + LINEBUF_SIZE * overscan_top, width, height, LINEBUF_SIZE * sizeof(uint32_t));
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
384 current_system->request_exit(current_system);
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
385 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
386
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
387 uint8_t render_get_active_framebuffer(void)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
388 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
389 return 0;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
390 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
391
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
392 void render_set_video_standard(vid_std std)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
393 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
394 video_standard = std;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
395 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
396
1822
8500bd987dda Make libretro target successfully build for Windows and possibly Mac
Mike Pavone <pavone@retrodev.com>
parents: 1819
diff changeset
397 int render_fullscreen(void)
8500bd987dda Make libretro target successfully build for Windows and possibly Mac
Mike Pavone <pavone@retrodev.com>
parents: 1819
diff changeset
398 {
8500bd987dda Make libretro target successfully build for Windows and possibly Mac
Mike Pavone <pavone@retrodev.com>
parents: 1819
diff changeset
399 return 1;
8500bd987dda Make libretro target successfully build for Windows and possibly Mac
Mike Pavone <pavone@retrodev.com>
parents: 1819
diff changeset
400 }
8500bd987dda Make libretro target successfully build for Windows and possibly Mac
Mike Pavone <pavone@retrodev.com>
parents: 1819
diff changeset
401
1881
55198fc9cc1f Don't render lines that are cropped by overscan. Allows submitting frame earlier when bottom overscan is non-zero which can reduce latency in some cases
Mike Pavone <pavone@retrodev.com>
parents: 1868
diff changeset
402 uint32_t render_overscan_top()
55198fc9cc1f Don't render lines that are cropped by overscan. Allows submitting frame earlier when bottom overscan is non-zero which can reduce latency in some cases
Mike Pavone <pavone@retrodev.com>
parents: 1868
diff changeset
403 {
1882
62e8a8833e39 Implement overscan crop in libretro target
Michael Pavone <pavone@retrodev.com>
parents: 1881
diff changeset
404 return overscan_top;
1881
55198fc9cc1f Don't render lines that are cropped by overscan. Allows submitting frame earlier when bottom overscan is non-zero which can reduce latency in some cases
Mike Pavone <pavone@retrodev.com>
parents: 1868
diff changeset
405 }
55198fc9cc1f Don't render lines that are cropped by overscan. Allows submitting frame earlier when bottom overscan is non-zero which can reduce latency in some cases
Mike Pavone <pavone@retrodev.com>
parents: 1868
diff changeset
406
55198fc9cc1f Don't render lines that are cropped by overscan. Allows submitting frame earlier when bottom overscan is non-zero which can reduce latency in some cases
Mike Pavone <pavone@retrodev.com>
parents: 1868
diff changeset
407 uint32_t render_overscan_bot()
55198fc9cc1f Don't render lines that are cropped by overscan. Allows submitting frame earlier when bottom overscan is non-zero which can reduce latency in some cases
Mike Pavone <pavone@retrodev.com>
parents: 1868
diff changeset
408 {
1882
62e8a8833e39 Implement overscan crop in libretro target
Michael Pavone <pavone@retrodev.com>
parents: 1881
diff changeset
409 return overscan_bot;
1881
55198fc9cc1f Don't render lines that are cropped by overscan. Allows submitting frame earlier when bottom overscan is non-zero which can reduce latency in some cases
Mike Pavone <pavone@retrodev.com>
parents: 1868
diff changeset
410 }
55198fc9cc1f Don't render lines that are cropped by overscan. Allows submitting frame earlier when bottom overscan is non-zero which can reduce latency in some cases
Mike Pavone <pavone@retrodev.com>
parents: 1868
diff changeset
411
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
412 void process_events()
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
413 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
414 static int16_t prev_state[2][RETRO_DEVICE_ID_JOYPAD_L2];
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
415 static const uint8_t map[] = {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
416 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
417 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
418 };
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
419 //TODO: handle other input device types
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
420 //TODO: handle more than 2 ports when appropriate
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
421 retro_input_poll();
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
422 for (int port = 0; port < 2; port++)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
423 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
424 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
425 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
426 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
427 if (new_state != prev_state[port][id]) {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
428 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
429 current_system->gamepad_down(current_system, port + 1, map[id]);
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
430 } 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
431 current_system->gamepad_up(current_system, port + 1, map[id]);
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
432 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
433 prev_state[port][id] = new_state;
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
434 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
435 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
436 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
437 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
438
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
439 void render_errorbox(char *title, char *message)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
440 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
441 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
442 void render_warnbox(char *title, char *message)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
443 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
444 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
445 void render_infobox(char *title, char *message)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
446 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
447 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
448
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
449 uint8_t render_is_audio_sync(void)
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
450 {
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
451 //whether this is true depends on the libretro frontend implementation
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
452 //but the sync to audio path works better here
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
453 return 1;
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
454 }
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
455
1932
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents: 1927
diff changeset
456 uint8_t render_should_release_on_exit(void)
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents: 1927
diff changeset
457 {
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents: 1927
diff changeset
458 return 0;
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents: 1927
diff changeset
459 }
b387f1c5a1d0 WIP new sync mode that runs emulation on audio thread
Michael Pavone <pavone@retrodev.com>
parents: 1927
diff changeset
460
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
461 void render_buffer_consumed(audio_source *src)
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
462 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
463 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
464
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
465 void *render_new_audio_opaque(void)
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
466 {
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
467 return NULL;
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
468 }
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
469
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
470 void render_free_audio_opaque(void *opaque)
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
471 {
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
472 }
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
473
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
474 void render_lock_audio(void)
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
475 {
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
476 }
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
477
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
478 void render_unlock_audio()
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
479 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
480 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
481
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
482 uint32_t render_min_buffered(void)
1817
03895a4585c3 Fix build breakage for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1695
diff changeset
483 {
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
484 //not actually used in the sync to audio path
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
485 return 4;
1817
03895a4585c3 Fix build breakage for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1695
diff changeset
486 }
03895a4585c3 Fix build breakage for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1695
diff changeset
487
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
488 uint32_t render_audio_syncs_per_sec(void)
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
489 {
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
490 return 0;
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
491 }
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
492
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
493 void render_audio_created(audio_source *src)
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
494 {
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
495 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
496
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
497 void render_do_audio_ready(audio_source *src)
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
498 {
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
499 int16_t *tmp = src->front;
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
500 src->front = src->back;
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
501 src->back = tmp;
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
502 src->front_populated = 1;
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
503 src->buffer_pos = 0;
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
504 if (all_sources_ready()) {
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
505 int16_t buffer[8];
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
506 int min_remaining_out;
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
507 mix_and_convert((uint8_t *)buffer, sizeof(buffer), &min_remaining_out);
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
508 retro_audio_sample_batch(buffer, sizeof(buffer)/(2*sizeof(*buffer)));
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
509 }
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
510 }
1688
395f684c5379 Fixed the most glaring issues in libretro build
Mike Pavone <pavone@retrodev.com>
parents: 1687
diff changeset
511
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
512 void render_source_paused(audio_source *src, uint8_t remaining_sources)
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
513 {
1927
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
514 }
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
515
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
516 void render_source_resumed(audio_source *src)
9fd4bedc1a31 Update libretro target to use render_audio shared audio code
Mike Pavone <pavone@retrodev.com>
parents: 1926
diff changeset
517 {
1687
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
518 }
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
519
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
520 void bindings_set_mouse_mode(uint8_t mode)
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
521 {
6c54bb5fe3b3 Hacky WIP libertro implementation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
522 }
1818
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
523
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
524 extern const char rom_db_data[];
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
525 char *read_bundled_file(char *name, uint32_t *sizeret)
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
526 {
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
527 if (!strcmp(name, "rom.db")) {
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
528 *sizeret = strlen(rom_db_data);
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
529 char *ret = malloc(*sizeret+1);
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
530 memcpy(ret, rom_db_data, *sizeret + 1);
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
531 return ret;
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
532 }
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
533 return NULL;
243f3a7247f9 Include ROM DB in library binary for libretro target
Mike Pavone <pavone@retrodev.com>
parents: 1817
diff changeset
534 }