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implement left-right screen layout option, add ASAN to Makefile

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This commit is contained in:
Brad Parker 2018-02-01 13:26:58 -05:00 committed by radius
parent 5e04600ab1
commit ef143261e5
1 changed files with 54 additions and 6 deletions
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56
libretro/libretro.c
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@ -58,6 +58,7 @@ enum audio_out {
static enum model model[2];
static uint32_t *frame_buf = NULL;
static uint32_t *frame_buf_copy = NULL;
static struct retro_log_callback logging;
static retro_log_printf_t log_cb;
@ -71,6 +72,8 @@ static unsigned pre_init = 1;
static unsigned screen_layout = 0;
static unsigned audio_out = 0;
static bool geometry_updated = false;
signed short soundbuf[1024 * 2];
char retro_system_directory[4096];
@ -452,6 +455,8 @@ static void check_variables(bool link)
screen_layout = LAYOUT_TOP_DOWN;
else
screen_layout = LAYOUT_LEFT_RIGHT;
geometry_updated = true;
}
var.key = "sameboy_audio_output";
@ -467,7 +472,6 @@ static void check_variables(bool link)
void retro_init(void)
{
frame_buf = (uint32_t*)malloc(2 * VIDEO_PIXELS * sizeof(uint32_t));
const char *dir = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
@ -483,12 +487,20 @@ void retro_init(void)
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars);
check_variables(emulated_devices == 2 ? true : false);
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars);
frame_buf = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
frame_buf_copy = (uint32_t*)malloc(emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
memset(frame_buf, 0, emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
memset(frame_buf_copy, 0, emulated_devices * VIDEO_PIXELS * sizeof(uint32_t));
}
void retro_deinit(void)
{
free(frame_buf);
free(frame_buf_copy);
frame_buf = NULL;
frame_buf_copy = NULL;
}
unsigned retro_api_version(void)
@ -516,12 +528,24 @@ void retro_get_system_info(struct retro_system_info *info)
void retro_get_system_av_info(struct retro_system_av_info *info)
{
struct retro_game_geometry geom = { VIDEO_WIDTH, VIDEO_HEIGHT * emulated_devices, VIDEO_WIDTH, VIDEO_HEIGHT * emulated_devices , VIDEO_WIDTH / (emulated_devices * VIDEO_HEIGHT) };
struct retro_game_geometry geom;
struct retro_system_timing timing = { FRAME_RATE, AUDIO_FREQUENCY };
if (screen_layout == LAYOUT_TOP_DOWN) {
geom.base_width = VIDEO_WIDTH;
geom.base_height = VIDEO_HEIGHT * emulated_devices;
geom.aspect_ratio = VIDEO_WIDTH / (emulated_devices * VIDEO_HEIGHT);
}else if (screen_layout == LAYOUT_LEFT_RIGHT) {
geom.base_width = VIDEO_WIDTH * emulated_devices;
geom.base_height = VIDEO_HEIGHT;
geom.aspect_ratio = (VIDEO_WIDTH * emulated_devices) / VIDEO_HEIGHT;
}
geom.max_width = VIDEO_WIDTH * emulated_devices;
geom.max_height = VIDEO_HEIGHT * emulated_devices;
info->geometry = geom;
info->timing = timing;
}
void retro_set_environment(retro_environment_t cb)
@ -539,7 +563,7 @@ void retro_set_environment(retro_environment_t cb)
static const struct retro_controller_info ports[] = {
{ controllers, 1 },
{ controllers, 2 },
{ controllers, 1 },
{ NULL, 0 },
};
cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
@ -579,6 +603,17 @@ void retro_reset(void)
void retro_run(void)
{
bool updated = false;
if (pre_init)
geometry_updated = false;
if (geometry_updated) {
struct retro_system_av_info info;
retro_get_system_av_info(&info);
geometry_updated = false;
environ_cb(RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO, &info.geometry);
}
pre_init = 0;
if (!frame_buf)
@ -603,7 +638,20 @@ void retro_run(void)
else
GB_run_frame(&gameboy[0]);
if (screen_layout == LAYOUT_TOP_DOWN) {
video_cb(frame_buf, VIDEO_WIDTH, VIDEO_HEIGHT * emulated_devices, VIDEO_WIDTH * sizeof(uint32_t));
}else if (screen_layout == LAYOUT_LEFT_RIGHT) {
/* use slow memcpy method for now */
for (int index = 0; index < emulated_devices; index++) {
for (int y = 0; y < VIDEO_HEIGHT; y++) {
for (int x = 0; x < VIDEO_WIDTH; x++) {
frame_buf_copy[VIDEO_WIDTH * emulated_devices * y + (x + VIDEO_WIDTH * index)] = frame_buf[VIDEO_WIDTH * (y + VIDEO_HEIGHT * index) + x];
}
}
}
video_cb(frame_buf_copy, VIDEO_WIDTH * emulated_devices, VIDEO_HEIGHT, VIDEO_WIDTH * emulated_devices * sizeof(uint32_t));
}
}
bool retro_load_game(const struct retro_game_info *info)