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Cleanups - C-style comments, 80-char limit, etc

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This commit is contained in:
twinaphex 2014-09-02 04:43:31 +02:00
parent fda6876983
commit ceb4e05e88
2 changed files with 313 additions and 181 deletions
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268
driver.c
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@ -41,6 +41,8 @@
#include "config.h" #include "config.h"
#endif #endif
driver_t driver;
static const audio_driver_t *audio_drivers[] = { static const audio_driver_t *audio_drivers[] = {
#ifdef HAVE_ALSA #ifdef HAVE_ALSA
&audio_alsa, &audio_alsa,
@ -175,7 +177,8 @@ static const input_driver_t *input_drivers[] = {
#if defined(__linux__) && !defined(ANDROID) #if defined(__linux__) && !defined(ANDROID)
&input_linuxraw, &input_linuxraw,
#endif #endif
#if defined(IOS) || defined(OSX) //< Don't use __APPLE__ as it breaks basic SDL builds #if defined(IOS) || defined(OSX)
/* Don't use __APPLE__ as it breaks basic SDL builds */
&input_apple, &input_apple,
#endif #endif
#ifdef __QNX__ #ifdef __QNX__
@ -238,8 +241,7 @@ static const menu_ctx_driver_t *menu_ctx_drivers[] = {
#if defined(HAVE_RGUI) #if defined(HAVE_RGUI)
&menu_ctx_rgui, &menu_ctx_rgui,
#endif #endif
NULL
NULL // zero length array is not valid
}; };
#endif #endif
@ -358,13 +360,13 @@ static void find_osk_driver(void)
void init_osk(void) void init_osk(void)
{ {
// Resource leaks will follow if osk is initialized twice. /* Resource leaks will follow if osk is initialized twice. */
if (driver.osk_data) if (driver.osk_data)
return; return;
find_osk_driver(); find_osk_driver();
//FIXME - refactor params later based on semantics /* FIXME - refactor params later based on semantics */
driver.osk_data = driver.osk->init(0); driver.osk_data = driver.osk->init(0);
if (!driver.osk_data) if (!driver.osk_data)
@ -391,7 +393,8 @@ static void find_camera_driver(void)
else else
{ {
unsigned d; unsigned d;
RARCH_ERR("Couldn't find any camera driver named \"%s\"\n", g_settings.camera.driver); RARCH_ERR("Couldn't find any camera driver named \"%s\"\n",
g_settings.camera.driver);
RARCH_LOG_OUTPUT("Available camera drivers are:\n"); RARCH_LOG_OUTPUT("Available camera drivers are:\n");
for (d = 0; camera_drivers[d]; d++) for (d = 0; camera_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", camera_drivers[d]->ident); RARCH_LOG_OUTPUT("\t%s\n", camera_drivers[d]->ident);
@ -413,7 +416,8 @@ bool driver_camera_start(void)
if (g_settings.camera.allow) if (g_settings.camera.allow)
return driver.camera->start(driver.camera_data); return driver.camera->start(driver.camera_data);
msg_queue_push(g_extern.msg_queue, "Camera is explicitly disabled.\n", 1, 180); msg_queue_push(g_extern.msg_queue,
"Camera is explicitly disabled.\n", 1, 180);
} }
return false; return false;
} }
@ -434,7 +438,7 @@ void driver_camera_poll(void)
void init_camera(void) void init_camera(void)
{ {
// Resource leaks will follow if camera is initialized twice. /* Resource leaks will follow if camera is initialized twice. */
if (driver.camera_data) if (driver.camera_data)
return; return;
@ -443,8 +447,10 @@ void init_camera(void)
driver.camera_data = driver.camera->init( driver.camera_data = driver.camera->init(
*g_settings.camera.device ? g_settings.camera.device : NULL, *g_settings.camera.device ? g_settings.camera.device : NULL,
g_extern.system.camera_callback.caps, g_extern.system.camera_callback.caps,
g_settings.camera.width ? g_settings.camera.width : g_extern.system.camera_callback.width, g_settings.camera.width ?
g_settings.camera.height ? g_settings.camera.height : g_extern.system.camera_callback.height); g_settings.camera.width : g_extern.system.camera_callback.width,
g_settings.camera.height ?
g_settings.camera.height : g_extern.system.camera_callback.height);
if (!driver.camera_data) if (!driver.camera_data)
{ {
@ -479,7 +485,8 @@ static void find_location_driver(void)
else else
{ {
unsigned d; unsigned d;
RARCH_ERR("Couldn't find any location driver named \"%s\"\n", g_settings.location.driver); RARCH_ERR("Couldn't find any location driver named \"%s\"\n",
g_settings.location.driver);
RARCH_LOG_OUTPUT("Available location drivers are:\n"); RARCH_LOG_OUTPUT("Available location drivers are:\n");
for (d = 0; location_drivers[d]; d++) for (d = 0; location_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", location_drivers[d]->ident); RARCH_LOG_OUTPUT("\t%s\n", location_drivers[d]->ident);
@ -512,17 +519,22 @@ void driver_location_stop(void)
driver.location->stop(driver.location_data); driver.location->stop(driver.location_data);
} }
void driver_location_set_interval(unsigned interval_msecs, unsigned interval_distance) void driver_location_set_interval(unsigned interval_msecs,
unsigned interval_distance)
{ {
if (driver.location && driver.location->set_interval && driver.location_data) if (driver.location && driver.location->set_interval
driver.location->set_interval(driver.location_data, interval_msecs, interval_distance); && driver.location_data)
driver.location->set_interval(driver.location_data,
interval_msecs, interval_distance);
} }
bool driver_location_get_position(double *lat, double *lon, double *horiz_accuracy, bool driver_location_get_position(double *lat, double *lon,
double *vert_accuracy) double *horiz_accuracy, double *vert_accuracy)
{ {
if (driver.location && driver.location->get_position && driver.location_data) if (driver.location && driver.location->get_position
return driver.location->get_position(driver.location_data, lat, lon, horiz_accuracy, vert_accuracy); && driver.location_data)
return driver.location->get_position(driver.location_data,
lat, lon, horiz_accuracy, vert_accuracy);
*lat = 0.0; *lat = 0.0;
*lon = 0.0; *lon = 0.0;
@ -533,7 +545,7 @@ bool driver_location_get_position(double *lat, double *lon, double *horiz_accura
void init_location(void) void init_location(void)
{ {
// Resource leaks will follow if location interface is initialized twice. /* Resource leaks will follow if location interface is initialized twice. */
if (driver.location_data) if (driver.location_data)
return; return;
@ -574,7 +586,8 @@ void find_menu_driver(void)
else else
{ {
unsigned d; unsigned d;
RARCH_WARN("Couldn't find any menu driver named \"%s\"\n", g_settings.menu.driver); RARCH_WARN("Couldn't find any menu driver named \"%s\"\n",
g_settings.menu.driver);
RARCH_LOG_OUTPUT("Available menu drivers are:\n"); RARCH_LOG_OUTPUT("Available menu drivers are:\n");
for (d = 0; menu_ctx_drivers[d]; d++) for (d = 0; menu_ctx_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", menu_ctx_drivers[d]->ident); RARCH_LOG_OUTPUT("\t%s\n", menu_ctx_drivers[d]->ident);
@ -597,7 +610,8 @@ static void find_audio_driver(void)
else else
{ {
unsigned d; unsigned d;
RARCH_ERR("Couldn't find any audio driver named \"%s\"\n", g_settings.audio.driver); RARCH_ERR("Couldn't find any audio driver named \"%s\"\n",
g_settings.audio.driver);
RARCH_LOG_OUTPUT("Available audio drivers are:\n"); RARCH_LOG_OUTPUT("Available audio drivers are:\n");
for (d = 0; audio_drivers[d]; d++) for (d = 0; audio_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", audio_drivers[d]->ident); RARCH_LOG_OUTPUT("\t%s\n", audio_drivers[d]->ident);
@ -628,7 +642,8 @@ static void find_video_driver(void)
else else
{ {
unsigned d; unsigned d;
RARCH_ERR("Couldn't find any video driver named \"%s\"\n", g_settings.video.driver); RARCH_ERR("Couldn't find any video driver named \"%s\"\n",
g_settings.video.driver);
RARCH_LOG_OUTPUT("Available video drivers are:\n"); RARCH_LOG_OUTPUT("Available video drivers are:\n");
for (d = 0; video_drivers[d]; d++) for (d = 0; video_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", video_drivers[d]->ident); RARCH_LOG_OUTPUT("\t%s\n", video_drivers[d]->ident);
@ -650,7 +665,8 @@ static void find_input_driver(void)
else else
{ {
unsigned d; unsigned d;
RARCH_ERR("Couldn't find any input driver named \"%s\"\n", g_settings.input.driver); RARCH_ERR("Couldn't find any input driver named \"%s\"\n",
g_settings.input.driver);
RARCH_LOG_OUTPUT("Available input drivers are:\n"); RARCH_LOG_OUTPUT("Available input drivers are:\n");
for (d = 0; input_drivers[d]; d++) for (d = 0; input_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", input_drivers[d]->ident); RARCH_LOG_OUTPUT("\t%s\n", input_drivers[d]->ident);
@ -686,13 +702,15 @@ static void adjust_system_rates(void)
return; return;
float timing_skew = fabs(1.0f - info->fps / g_settings.video.refresh_rate); float timing_skew = fabs(1.0f - info->fps / g_settings.video.refresh_rate);
if (timing_skew > 0.05f) // We don't want to adjust pitch too much. If we have extreme cases, just don't readjust at all. if (timing_skew > 0.05f)
{ {
/* We don't want to adjust pitch too much. If we have extreme cases,
* just don't readjust at all. */
RARCH_LOG("Timings deviate too much. Will not adjust. (Display = %.2f Hz, Game = %.2f Hz)\n", RARCH_LOG("Timings deviate too much. Will not adjust. (Display = %.2f Hz, Game = %.2f Hz)\n",
g_settings.video.refresh_rate, g_settings.video.refresh_rate,
(float)info->fps); (float)info->fps);
// We won't be able to do VSync reliably as game FPS > monitor FPS. /* We won't be able to do VSync reliably as game FPS > monitor FPS. */
if (info->fps > g_settings.video.refresh_rate) if (info->fps > g_settings.video.refresh_rate)
{ {
g_extern.system.force_nonblock = true; g_extern.system.force_nonblock = true;
@ -705,7 +723,8 @@ static void adjust_system_rates(void)
g_extern.audio_data.in_rate = info->sample_rate * g_extern.audio_data.in_rate = info->sample_rate *
(g_settings.video.refresh_rate / info->fps); (g_settings.video.refresh_rate / info->fps);
RARCH_LOG("Set audio input rate to: %.2f Hz.\n", g_extern.audio_data.in_rate); RARCH_LOG("Set audio input rate to: %.2f Hz.\n",
g_extern.audio_data.in_rate);
if (driver.video_data) if (driver.video_data)
{ {
@ -733,7 +752,7 @@ void driver_set_monitor_refresh_rate(float hz)
void driver_set_nonblock_state(bool nonblock) void driver_set_nonblock_state(bool nonblock)
{ {
// Only apply non-block-state for video if we're using vsync. /* Only apply non-block-state for video if we're using vsync. */
if (g_extern.video_active && driver.video_data) if (g_extern.video_active && driver.video_data)
{ {
bool video_nb = nonblock; bool video_nb = nonblock;
@ -743,30 +762,38 @@ void driver_set_nonblock_state(bool nonblock)
} }
if (g_extern.audio_active && driver.audio_data) if (g_extern.audio_active && driver.audio_data)
driver.audio->set_nonblock_state(driver.audio_data, g_settings.audio.sync ? nonblock : true); driver.audio->set_nonblock_state(driver.audio_data,
g_settings.audio.sync ? nonblock : true);
g_extern.audio_data.chunk_size = nonblock ? g_extern.audio_data.chunk_size = nonblock ?
g_extern.audio_data.nonblock_chunk_size : g_extern.audio_data.block_chunk_size; g_extern.audio_data.nonblock_chunk_size : g_extern.audio_data.block_chunk_size;
} }
bool driver_set_rumble_state(unsigned port, enum retro_rumble_effect effect, uint16_t strength) bool driver_set_rumble_state(unsigned port,
enum retro_rumble_effect effect, uint16_t strength)
{ {
if (driver.input && driver.input_data && driver.input->set_rumble) if (driver.input && driver.input_data && driver.input->set_rumble)
return driver.input->set_rumble(driver.input_data, port, effect, strength); return driver.input->set_rumble(driver.input_data,
port, effect, strength);
return false; return false;
} }
bool driver_set_sensor_state(unsigned port, enum retro_sensor_action action, unsigned rate) bool driver_set_sensor_state(unsigned port,
enum retro_sensor_action action, unsigned rate)
{ {
if (driver.input && driver.input_data && driver.input->set_sensor_state) if (driver.input && driver.input_data &&
return driver.input->set_sensor_state(driver.input_data, port, action, rate); driver.input->set_sensor_state)
return driver.input->set_sensor_state(driver.input_data,
port, action, rate);
return false; return false;
} }
float driver_sensor_get_input(unsigned port, unsigned id) float driver_sensor_get_input(unsigned port, unsigned id)
{ {
if (driver.input && driver.input_data && driver.input->get_sensor_input) if (driver.input && driver.input_data &&
return driver.input->get_sensor_input(driver.input_data, port, id); driver.input->get_sensor_input)
return driver.input->get_sensor_input(driver.input_data,
port, id);
return 0.0f; return 0.0f;
} }
@ -793,8 +820,8 @@ bool driver_update_system_av_info(const struct retro_system_av_info *info)
g_extern.system.av_info = *info; g_extern.system.av_info = *info;
rarch_main_command(RARCH_CMD_REINIT); rarch_main_command(RARCH_CMD_REINIT);
// Cannot continue recording with different parameters. /* Cannot continue recording with different parameters.
// Take the easiest route out and just restart the recording. * Take the easiest route out and just restart the recording. */
if (g_extern.rec) if (g_extern.rec)
{ {
static const char *msg = "Restarting recording due to driver reinit."; static const char *msg = "Restarting recording due to driver reinit.";
@ -831,7 +858,7 @@ void init_drivers(void)
driver.location_data_own = false; driver.location_data_own = false;
driver.osk_data_own = false; driver.osk_data_own = false;
#ifdef HAVE_MENU #ifdef HAVE_MENU
// By default, we want the menu to persist through driver reinits. /* By default, we want the menu to persist through driver reinits. */
driver.menu_data_own = true; driver.menu_data_own = true;
#endif #endif
@ -847,11 +874,11 @@ void init_drivers(void)
init_audio(); init_audio();
// Only initialize camera driver if we're ever going to use it. /* Only initialize camera driver if we're ever going to use it. */
if (g_extern.camera_active) if (g_extern.camera_active)
init_camera(); init_camera();
// Only initialize location driver if we're ever going to use it. /* Only initialize location driver if we're ever going to use it. */
if (g_extern.location_active) if (g_extern.location_active)
init_location(); init_location();
@ -864,7 +891,7 @@ void init_drivers(void)
driver.menu_ctx->context_reset(driver.menu); driver.menu_ctx->context_reset(driver.menu);
#endif #endif
// Keep non-throttled state as good as possible. /* Keep non-throttled state as good as possible. */
if (driver.nonblock_state) if (driver.nonblock_state)
driver_set_nonblock_state(driver.nonblock_state); driver_set_nonblock_state(driver.nonblock_state);
@ -888,7 +915,6 @@ static void deinit_pixel_converter(void)
static void deinit_shader_dir(void) static void deinit_shader_dir(void)
{ {
// It handles NULL, no worries :D
dir_list_free(g_extern.shader_dir.list); dir_list_free(g_extern.shader_dir.list);
g_extern.shader_dir.list = NULL; g_extern.shader_dir.list = NULL;
g_extern.shader_dir.ptr = 0; g_extern.shader_dir.ptr = 0;
@ -906,9 +932,11 @@ static void compute_monitor_fps_statistics(void)
return; return;
} }
if (g_extern.measure_data.frame_time_samples_count < 2 * MEASURE_FRAME_TIME_SAMPLES_COUNT) if (g_extern.measure_data.frame_time_samples_count <
2 * MEASURE_FRAME_TIME_SAMPLES_COUNT)
{ {
RARCH_LOG("Does not have enough samples for monitor refresh rate estimation. Requires to run for at least %u frames.\n", RARCH_LOG(
"Does not have enough samples for monitor refresh rate estimation. Requires to run for at least %u frames.\n",
2 * MEASURE_FRAME_TIME_SAMPLES_COUNT); 2 * MEASURE_FRAME_TIME_SAMPLES_COUNT);
return; return;
} }
@ -924,7 +952,8 @@ void uninit_drivers(void)
{ {
uninit_audio(); uninit_audio();
if (g_extern.system.hw_render_callback.context_destroy && !driver.video_cache_context) if (g_extern.system.hw_render_callback.context_destroy &&
!driver.video_cache_context)
g_extern.system.hw_render_callback.context_destroy(); g_extern.system.hw_render_callback.context_destroy();
#ifdef HAVE_MENU #ifdef HAVE_MENU
@ -972,23 +1001,28 @@ void init_audio(void)
{ {
audio_convert_init_simd(); audio_convert_init_simd();
// Resource leaks will follow if audio is initialized twice. /* Resource leaks will follow if audio is initialized twice. */
if (driver.audio_data) if (driver.audio_data)
return; return;
// Accomodate rewind since at some point we might have two full buffers. /* Accomodate rewind since at some point we might have two full buffers. */
size_t max_bufsamples = AUDIO_CHUNK_SIZE_NONBLOCKING * 2; size_t max_bufsamples = AUDIO_CHUNK_SIZE_NONBLOCKING * 2;
size_t outsamples_max = max_bufsamples * AUDIO_MAX_RATIO * g_settings.slowmotion_ratio; size_t outsamples_max = max_bufsamples *
AUDIO_MAX_RATIO * g_settings.slowmotion_ratio;
// Used for recording even if audio isn't enabled. /* Used for recording even if audio isn't enabled. */
rarch_assert(g_extern.audio_data.conv_outsamples = (int16_t*)malloc(outsamples_max * sizeof(int16_t))); rarch_assert(g_extern.audio_data.conv_outsamples =
(int16_t*)malloc(outsamples_max * sizeof(int16_t)));
g_extern.audio_data.block_chunk_size = AUDIO_CHUNK_SIZE_BLOCKING; g_extern.audio_data.block_chunk_size = AUDIO_CHUNK_SIZE_BLOCKING;
g_extern.audio_data.nonblock_chunk_size = AUDIO_CHUNK_SIZE_NONBLOCKING; g_extern.audio_data.nonblock_chunk_size = AUDIO_CHUNK_SIZE_NONBLOCKING;
g_extern.audio_data.chunk_size = g_extern.audio_data.block_chunk_size; g_extern.audio_data.chunk_size =
g_extern.audio_data.block_chunk_size;
// Needs to be able to hold full content of a full max_bufsamples in addition to its own. /* Needs to be able to hold full content of a full max_bufsamples
rarch_assert(g_extern.audio_data.rewind_buf = (int16_t*)malloc(max_bufsamples * sizeof(int16_t))); * in addition to its own. */
rarch_assert(g_extern.audio_data.rewind_buf = (int16_t*)
malloc(max_bufsamples * sizeof(int16_t)));
g_extern.audio_data.rewind_size = max_bufsamples; g_extern.audio_data.rewind_size = max_bufsamples;
if (!g_settings.audio.enable) if (!g_settings.audio.enable)
@ -1014,7 +1048,8 @@ void init_audio(void)
else else
#endif #endif
{ {
driver.audio_data = driver.audio->init(*g_settings.audio.device ? g_settings.audio.device : NULL, driver.audio_data = driver.audio->init(*g_settings.audio.device ?
g_settings.audio.device : NULL,
g_settings.audio.out_rate, g_settings.audio.latency); g_settings.audio.out_rate, g_settings.audio.latency);
} }
@ -1025,7 +1060,8 @@ void init_audio(void)
} }
g_extern.audio_data.use_float = false; g_extern.audio_data.use_float = false;
if (g_extern.audio_active && driver.audio->use_float && driver.audio->use_float(driver.audio_data)) if (g_extern.audio_active && driver.audio->use_float &&
driver.audio->use_float(driver.audio_data))
g_extern.audio_data.use_float = true; g_extern.audio_data.use_float = true;
if (!g_settings.audio.sync && g_extern.audio_active) if (!g_settings.audio.sync && g_extern.audio_active)
@ -1034,10 +1070,11 @@ void init_audio(void)
g_extern.audio_data.chunk_size = g_extern.audio_data.nonblock_chunk_size; g_extern.audio_data.chunk_size = g_extern.audio_data.nonblock_chunk_size;
} }
// Should never happen. /* Should never happen. */
if (g_extern.audio_data.in_rate <= 0.0f) if (g_extern.audio_data.in_rate <= 0.0f)
{ {
RARCH_WARN("Input rate is invalid (%.3f Hz). Using output rate (%u Hz).\n", g_extern.audio_data.in_rate, g_settings.audio.out_rate); RARCH_WARN("Input rate is invalid (%.3f Hz). Using output rate (%u Hz).\n",
g_extern.audio_data.in_rate, g_settings.audio.out_rate);
g_extern.audio_data.in_rate = g_settings.audio.out_rate; g_extern.audio_data.in_rate = g_settings.audio.out_rate;
} }
@ -1045,26 +1082,33 @@ void init_audio(void)
g_extern.audio_data.src_ratio = g_extern.audio_data.src_ratio =
(double)g_settings.audio.out_rate / g_extern.audio_data.in_rate; (double)g_settings.audio.out_rate / g_extern.audio_data.in_rate;
if (!rarch_resampler_realloc(&g_extern.audio_data.resampler_data, &g_extern.audio_data.resampler, if (!rarch_resampler_realloc(&g_extern.audio_data.resampler_data,
&g_extern.audio_data.resampler,
g_settings.audio.resampler, g_extern.audio_data.orig_src_ratio)) g_settings.audio.resampler, g_extern.audio_data.orig_src_ratio))
{ {
RARCH_ERR("Failed to initialize resampler \"%s\".\n", g_settings.audio.resampler); RARCH_ERR("Failed to initialize resampler \"%s\".\n",
g_settings.audio.resampler);
g_extern.audio_active = false; g_extern.audio_active = false;
} }
rarch_assert(g_extern.audio_data.data = (float*)malloc(max_bufsamples * sizeof(float))); rarch_assert(g_extern.audio_data.data = (float*)
malloc(max_bufsamples * sizeof(float)));
g_extern.audio_data.data_ptr = 0; g_extern.audio_data.data_ptr = 0;
rarch_assert(g_settings.audio.out_rate < g_extern.audio_data.in_rate * AUDIO_MAX_RATIO); rarch_assert(g_settings.audio.out_rate <
rarch_assert(g_extern.audio_data.outsamples = (float*)malloc(outsamples_max * sizeof(float))); g_extern.audio_data.in_rate * AUDIO_MAX_RATIO);
rarch_assert(g_extern.audio_data.outsamples = (float*)
malloc(outsamples_max * sizeof(float)));
g_extern.audio_data.rate_control = false; g_extern.audio_data.rate_control = false;
if (!g_extern.system.audio_callback.callback && g_extern.audio_active && g_settings.audio.rate_control) if (!g_extern.system.audio_callback.callback && g_extern.audio_active &&
g_settings.audio.rate_control)
{ {
if (driver.audio->buffer_size && driver.audio->write_avail) if (driver.audio->buffer_size && driver.audio->write_avail)
{ {
g_extern.audio_data.driver_buffer_size = driver.audio->buffer_size(driver.audio_data); g_extern.audio_data.driver_buffer_size =
driver.audio->buffer_size(driver.audio_data);
g_extern.audio_data.rate_control = true; g_extern.audio_data.rate_control = true;
} }
else else
@ -1075,15 +1119,20 @@ void init_audio(void)
g_extern.measure_data.buffer_free_samples_count = 0; g_extern.measure_data.buffer_free_samples_count = 0;
if (g_extern.audio_active && !g_extern.audio_data.mute && g_extern.system.audio_callback.callback) // Threaded driver is initially stopped. if (g_extern.audio_active && !g_extern.audio_data.mute &&
g_extern.system.audio_callback.callback)
{
/* Threaded driver is initially stopped. */
driver.audio->start(driver.audio_data); driver.audio->start(driver.audio_data);
}
} }
static void compute_audio_buffer_statistics(void) static void compute_audio_buffer_statistics(void)
{ {
unsigned i, samples; unsigned i, samples;
samples = min(g_extern.measure_data.buffer_free_samples_count, AUDIO_BUFFER_FREE_SAMPLES_COUNT); samples = min(g_extern.measure_data.buffer_free_samples_count,
AUDIO_BUFFER_FREE_SAMPLES_COUNT);
if (samples < 3) if (samples < 3)
return; return;
@ -1102,7 +1151,8 @@ static void compute_audio_buffer_statistics(void)
unsigned stddev = (unsigned)sqrt((double)accum_var / (samples - 2)); unsigned stddev = (unsigned)sqrt((double)accum_var / (samples - 2));
float avg_filled = 1.0f - (float)avg / g_extern.audio_data.driver_buffer_size; float avg_filled = 1.0f - (float)avg /
g_extern.audio_data.driver_buffer_size;
float deviation = (float)stddev / g_extern.audio_data.driver_buffer_size; float deviation = (float)stddev / g_extern.audio_data.driver_buffer_size;
unsigned low_water_size = g_extern.audio_data.driver_buffer_size * 3 / 4; unsigned low_water_size = g_extern.audio_data.driver_buffer_size * 3 / 4;
@ -1125,17 +1175,19 @@ static void compute_audio_buffer_statistics(void)
(100.0 * high_water_count) / (samples - 1)); (100.0 * high_water_count) / (samples - 1));
} }
bool driver_monitor_fps_statistics(double *refresh_rate, double *deviation, unsigned *sample_points) bool driver_monitor_fps_statistics(double *refresh_rate,
double *deviation, unsigned *sample_points)
{ {
unsigned i, samples; unsigned i, samples;
if (g_settings.video.threaded) if (g_settings.video.threaded)
return false; return false;
samples = min(MEASURE_FRAME_TIME_SAMPLES_COUNT, g_extern.measure_data.frame_time_samples_count); samples = min(MEASURE_FRAME_TIME_SAMPLES_COUNT,
g_extern.measure_data.frame_time_samples_count);
if (samples < 2) if (samples < 2)
return false; return false;
// Measure statistics on frame time (microsecs), *not* FPS. /* Measure statistics on frame time (microsecs), *not* FPS. */
retro_time_t accum = 0; retro_time_t accum = 0;
for (i = 0; i < samples; i++) for (i = 0; i < samples; i++)
accum += g_extern.measure_data.frame_time_samples[i]; accum += g_extern.measure_data.frame_time_samples[i];
@ -1149,7 +1201,7 @@ bool driver_monitor_fps_statistics(double *refresh_rate, double *deviation, unsi
retro_time_t avg = accum / samples; retro_time_t avg = accum / samples;
retro_time_t accum_var = 0; retro_time_t accum_var = 0;
// Drop first measurement. It is likely to be bad. /* Drop first measurement. It is likely to be bad. */
for (i = 0; i < samples; i++) for (i = 0; i < samples; i++)
{ {
retro_time_t diff = g_extern.measure_data.frame_time_samples[i] - avg; retro_time_t diff = g_extern.measure_data.frame_time_samples[i] - avg;
@ -1181,7 +1233,8 @@ void uninit_audio(void)
return; return;
} }
rarch_resampler_freep(&g_extern.audio_data.resampler, &g_extern.audio_data.resampler_data); rarch_resampler_freep(&g_extern.audio_data.resampler,
&g_extern.audio_data.resampler_data);
free(g_extern.audio_data.data); free(g_extern.audio_data.data);
g_extern.audio_data.data = NULL; g_extern.audio_data.data = NULL;
@ -1203,7 +1256,7 @@ void rarch_init_filter(enum retro_pixel_format colfmt)
if (!*g_settings.video.softfilter_plugin) if (!*g_settings.video.softfilter_plugin)
return; return;
// Deprecated format. Gets pre-converted. /* Deprecated format. Gets pre-converted. */
if (colfmt == RETRO_PIXEL_FORMAT_0RGB1555) if (colfmt == RETRO_PIXEL_FORMAT_0RGB1555)
colfmt = RETRO_PIXEL_FORMAT_RGB565; colfmt = RETRO_PIXEL_FORMAT_RGB565;
@ -1220,7 +1273,8 @@ void rarch_init_filter(enum retro_pixel_format colfmt)
pow2_y = 0; pow2_y = 0;
maxsize = 0; maxsize = 0;
g_extern.filter.filter = rarch_softfilter_new(g_settings.video.softfilter_plugin, g_extern.filter.filter = rarch_softfilter_new(
g_settings.video.softfilter_plugin,
RARCH_SOFTFILTER_THREADS_AUTO, colfmt, width, height); RARCH_SOFTFILTER_THREADS_AUTO, colfmt, width, height);
if (!g_extern.filter.filter) if (!g_extern.filter.filter)
@ -1229,16 +1283,19 @@ void rarch_init_filter(enum retro_pixel_format colfmt)
return; return;
} }
rarch_softfilter_get_max_output_size(g_extern.filter.filter, &width, &height); rarch_softfilter_get_max_output_size(g_extern.filter.filter,
&width, &height);
pow2_x = next_pow2(width); pow2_x = next_pow2(width);
pow2_y = next_pow2(height); pow2_y = next_pow2(height);
maxsize = max(pow2_x, pow2_y); maxsize = max(pow2_x, pow2_y);
g_extern.filter.scale = maxsize / RARCH_SCALE_BASE; g_extern.filter.scale = maxsize / RARCH_SCALE_BASE;
g_extern.filter.out_rgb32 = rarch_softfilter_get_output_format(g_extern.filter.filter) == RETRO_PIXEL_FORMAT_XRGB8888; g_extern.filter.out_rgb32 = rarch_softfilter_get_output_format(
g_extern.filter.out_bpp = g_extern.filter.out_rgb32 ? sizeof(uint32_t) : sizeof(uint16_t); g_extern.filter.filter) == RETRO_PIXEL_FORMAT_XRGB8888;
g_extern.filter.out_bpp = g_extern.filter.out_rgb32 ?
sizeof(uint32_t) : sizeof(uint16_t);
// TODO: Aligned output. /* TODO: Aligned output. */
g_extern.filter.buffer = malloc(width * height * g_extern.filter.out_bpp); g_extern.filter.buffer = malloc(width * height * g_extern.filter.out_bpp);
if (!g_extern.filter.buffer) if (!g_extern.filter.buffer)
goto error; goto error;
@ -1256,7 +1313,9 @@ static void init_shader_dir(void)
if (!*g_settings.video.shader_dir) if (!*g_settings.video.shader_dir)
return; return;
g_extern.shader_dir.list = dir_list_new(g_settings.video.shader_dir, "cg|cgp|glsl|glslp", false); g_extern.shader_dir.list = dir_list_new(g_settings.video.shader_dir,
"cg|cgp|glsl|glslp", false);
if (!g_extern.shader_dir.list || g_extern.shader_dir.list->size == 0) if (!g_extern.shader_dir.list || g_extern.shader_dir.list->size == 0)
{ {
deinit_shader_dir(); deinit_shader_dir();
@ -1267,12 +1326,14 @@ static void init_shader_dir(void)
dir_list_sort(g_extern.shader_dir.list, false); dir_list_sort(g_extern.shader_dir.list, false);
for (i = 0; i < g_extern.shader_dir.list->size; i++) for (i = 0; i < g_extern.shader_dir.list->size; i++)
RARCH_LOG("Found shader \"%s\"\n", g_extern.shader_dir.list->elems[i].data); RARCH_LOG("Found shader \"%s\"\n",
g_extern.shader_dir.list->elems[i].data);
} }
static bool init_video_pixel_converter(unsigned size) static bool init_video_pixel_converter(unsigned size)
{ {
// This function can be called multiple times without deiniting first on consoles. /* This function can be called multiple times
* without deiniting first on consoles. */
deinit_pixel_converter(); deinit_pixel_converter();
if (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555) if (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555)
@ -1282,7 +1343,7 @@ static bool init_video_pixel_converter(unsigned size)
driver.scaler.scaler_type = SCALER_TYPE_POINT; driver.scaler.scaler_type = SCALER_TYPE_POINT;
driver.scaler.in_fmt = SCALER_FMT_0RGB1555; driver.scaler.in_fmt = SCALER_FMT_0RGB1555;
// TODO: Pick either ARGB8888 or RGB565 depending on driver ... /* TODO: Pick either ARGB8888 or RGB565 depending on driver. */
driver.scaler.out_fmt = SCALER_FMT_RGB565; driver.scaler.out_fmt = SCALER_FMT_RGB565;
if (!scaler_ctx_gen_filter(&driver.scaler)) if (!scaler_ctx_gen_filter(&driver.scaler))
@ -1313,12 +1374,12 @@ void init_video_input(void)
if (g_extern.filter.filter) if (g_extern.filter.filter)
scale = g_extern.filter.scale; scale = g_extern.filter.scale;
// Update core-dependent aspect ratio values. /* Update core-dependent aspect ratio values. */
gfx_set_square_pixel_viewport(geom->base_width, geom->base_height); gfx_set_square_pixel_viewport(geom->base_width, geom->base_height);
gfx_set_core_viewport(); gfx_set_core_viewport();
gfx_set_config_viewport(); gfx_set_config_viewport();
// Update CUSTOM viewport. /* Update CUSTOM viewport. */
rarch_viewport_t *custom_vp = &g_extern.console.screen.viewports.custom_vp; rarch_viewport_t *custom_vp = &g_extern.console.screen.viewports.custom_vp;
if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM) if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{ {
@ -1338,8 +1399,9 @@ void init_video_input(void)
{ {
if (g_settings.video.force_aspect) if (g_settings.video.force_aspect)
{ {
// Do rounding here to simplify integer scale correctness. /* Do rounding here to simplify integer scale correctness. */
unsigned base_width = roundf(geom->base_height * g_extern.system.aspect_ratio); unsigned base_width = roundf(geom->base_height *
g_extern.system.aspect_ratio);
width = roundf(base_width * g_settings.video.scale); width = roundf(base_width * g_settings.video.scale);
height = roundf(geom->base_height * g_settings.video.scale); height = roundf(geom->base_height * g_settings.video.scale);
} }
@ -1379,10 +1441,12 @@ void init_video_input(void)
video.rgb32 = g_extern.filter.filter ? g_extern.filter.out_rgb32 : (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888); video.rgb32 = g_extern.filter.filter ? g_extern.filter.out_rgb32 : (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888);
tmp = (const input_driver_t*)driver.input; tmp = (const input_driver_t*)driver.input;
find_video_driver(); // Need to grab the "real" video driver interface on a reinit. /* Need to grab the "real" video driver interface on a reinit. */
find_video_driver();
#ifdef HAVE_THREADS #ifdef HAVE_THREADS
if (g_settings.video.threaded && !g_extern.system.hw_render_callback.context_type) // Can't do hardware rendering with threaded driver currently. if (g_settings.video.threaded && !g_extern.system.hw_render_callback.context_type)
{ {
/* Can't do hardware rendering with threaded driver currently. */
RARCH_LOG("Starting threaded video driver ...\n"); RARCH_LOG("Starting threaded video driver ...\n");
if (!rarch_threaded_video_init(&driver.video, &driver.video_data, if (!rarch_threaded_video_init(&driver.video, &driver.video_data,
&driver.input, &driver.input_data, &driver.input, &driver.input_data,
@ -1394,7 +1458,8 @@ void init_video_input(void)
} }
else else
#endif #endif
driver.video_data = driver.video->init(&video, &driver.input, &driver.input_data); driver.video_data = driver.video->init(&video, &driver.input,
&driver.input_data);
if (!driver.video_data) if (!driver.video_data)
{ {
@ -1406,16 +1471,18 @@ void init_video_input(void)
if (driver.video->poke_interface) if (driver.video->poke_interface)
driver.video->poke_interface(driver.video_data, &driver.video_poke); driver.video->poke_interface(driver.video_data, &driver.video_poke);
// Force custom viewport to have sane parameters. if (driver.video->viewport_info && (!custom_vp->width ||
if (driver.video->viewport_info && (!custom_vp->width || !custom_vp->height)) !custom_vp->height))
{ {
/* Force custom viewport to have sane parameters. */
custom_vp->width = width; custom_vp->width = width;
custom_vp->height = height; custom_vp->height = height;
driver.video->viewport_info(driver.video_data, custom_vp); driver.video->viewport_info(driver.video_data, custom_vp);
} }
if (driver.video->set_rotation) if (driver.video->set_rotation)
driver.video->set_rotation(driver.video_data, (g_settings.video.rotation + g_extern.system.rotation) % 4); driver.video->set_rotation(driver.video_data,
(g_settings.video.rotation + g_extern.system.rotation) % 4);
#ifdef HAVE_X11 #ifdef HAVE_X11
if (driver.display_type == RARCH_DISPLAY_X11) if (driver.display_type == RARCH_DISPLAY_X11)
@ -1425,10 +1492,9 @@ void init_video_input(void)
} }
#endif #endif
// Video driver didn't provide an input driver so we use configured one.
if (!driver.input) if (!driver.input)
{ {
/* Video driver didn't provide an input driver so we use configured one. */
RARCH_LOG("Graphics driver did not initialize an input driver. Attempting to pick a suitable driver.\n"); RARCH_LOG("Graphics driver did not initialize an input driver. Attempting to pick a suitable driver.\n");
if (tmp) if (tmp)
@ -1447,8 +1513,9 @@ void init_video_input(void)
} }
else else
{ {
// This should never really happen as tmp (driver.input) is always found before this in find_driver_input(), /* This should never really happen as tmp (driver.input) is always
// or we have aborted in a similar fashion anyways. * found before this in find_driver_input(), or we have aborted
* in a similar fashion anyways. */
rarch_fail(1, "init_video_input()"); rarch_fail(1, "init_video_input()");
} }
} }
@ -1463,10 +1530,12 @@ void uninit_video_input(void)
{ {
rarch_main_command(RARCH_CMD_OVERLAY_DEINIT); rarch_main_command(RARCH_CMD_OVERLAY_DEINIT);
if (!driver.input_data_own && driver.input_data != driver.video_data && driver.input && driver.input->free) if (!driver.input_data_own && driver.input_data != driver.video_data &&
driver.input && driver.input->free)
driver.input->free(driver.input_data); driver.input->free(driver.input_data);
if (!driver.video_data_own && driver.video_data && driver.video && driver.video->free) if (!driver.video_data_own && driver.video_data && driver.video
&& driver.video->free)
driver.video->free(driver.video_data); driver.video->free(driver.video_data);
deinit_pixel_converter(); deinit_pixel_converter();
@ -1476,6 +1545,3 @@ void uninit_video_input(void)
deinit_shader_dir(); deinit_shader_dir();
compute_monitor_fps_statistics(); compute_monitor_fps_statistics();
} }
driver_t driver;

226
driver.h
View File

@ -50,24 +50,32 @@ extern "C" {
#endif #endif
#define AUDIO_CHUNK_SIZE_BLOCKING 512 #define AUDIO_CHUNK_SIZE_BLOCKING 512
#define AUDIO_CHUNK_SIZE_NONBLOCKING 2048 // So we don't get complete line-noise when fast-forwarding audio.
/* So we don't get complete line-noise when fast-forwarding audio. */
#define AUDIO_CHUNK_SIZE_NONBLOCKING 2048
#define AUDIO_MAX_RATIO 16 #define AUDIO_MAX_RATIO 16
// Specialized _POINTER that targets the full screen regardless of viewport. /* Specialized _POINTER that targets the full screen regardless of viewport.
// Should not be used by a libretro implementation as coordinates returned make no sense. * Should not be used by a libretro implementation as coordinates returned
// It is only used internally for overlays. * make no sense.
*
* It is only used internally for overlays. */
#define RARCH_DEVICE_POINTER_SCREEN (RETRO_DEVICE_POINTER | 0x10000) #define RARCH_DEVICE_POINTER_SCREEN (RETRO_DEVICE_POINTER | 0x10000)
// libretro has 16 buttons from 0-15 (libretro.h) /* libretro has 16 buttons from 0-15 (libretro.h)
// Analog binds use RETRO_DEVICE_ANALOG, but we follow the same scheme internally * Analog binds use RETRO_DEVICE_ANALOG, but we follow the same scheme
// in RetroArch for simplicity, * internally in RetroArch for simplicity, so they are mapped into [16, 23].
// so they are mapped into [16, 23]. */
#define RARCH_FIRST_CUSTOM_BIND 16 #define RARCH_FIRST_CUSTOM_BIND 16
#define RARCH_FIRST_META_KEY RARCH_CUSTOM_BIND_LIST_END #define RARCH_FIRST_META_KEY RARCH_CUSTOM_BIND_LIST_END
enum // RetroArch specific bind IDs.
/* RetroArch specific bind IDs. */
enum
{ {
// Custom binds that extend the scope of RETRO_DEVICE_JOYPAD for RetroArch specifically. /* Custom binds that extend the scope of RETRO_DEVICE_JOYPAD for
// Analogs (RETRO_DEVICE_ANALOG) * RetroArch specifically.
* Analogs (RETRO_DEVICE_ANALOG) */
RARCH_ANALOG_LEFT_X_PLUS = RARCH_FIRST_CUSTOM_BIND, RARCH_ANALOG_LEFT_X_PLUS = RARCH_FIRST_CUSTOM_BIND,
RARCH_ANALOG_LEFT_X_MINUS, RARCH_ANALOG_LEFT_X_MINUS,
RARCH_ANALOG_LEFT_Y_PLUS, RARCH_ANALOG_LEFT_Y_PLUS,
@ -77,12 +85,13 @@ enum // RetroArch specific bind IDs.
RARCH_ANALOG_RIGHT_Y_PLUS, RARCH_ANALOG_RIGHT_Y_PLUS,
RARCH_ANALOG_RIGHT_Y_MINUS, RARCH_ANALOG_RIGHT_Y_MINUS,
// Turbo /* Turbo */
RARCH_TURBO_ENABLE, RARCH_TURBO_ENABLE,
RARCH_CUSTOM_BIND_LIST_END, RARCH_CUSTOM_BIND_LIST_END,
// Command binds. Not related to game input, only usable for port 0. /* Command binds. Not related to game input,
* only usable for port 0. */
RARCH_FAST_FORWARD_KEY = RARCH_FIRST_META_KEY, RARCH_FAST_FORWARD_KEY = RARCH_FIRST_META_KEY,
RARCH_FAST_FORWARD_HOLD_KEY, RARCH_FAST_FORWARD_HOLD_KEY,
RARCH_LOAD_STATE_KEY, RARCH_LOAD_STATE_KEY,
@ -126,17 +135,19 @@ struct retro_keybind
const char *desc; const char *desc;
enum retro_key key; enum retro_key key;
// PC only uses lower 16-bits. /* PC only uses lower 16-bits.
// Full 64-bit can be used for port-specific purposes, like simplifying multiple binds, etc. * Full 64-bit can be used for port-specific purposes,
* like simplifying multiple binds, etc. */
uint64_t joykey; uint64_t joykey;
// Default key binding value - for resetting bind to default /* Default key binding value - for resetting bind to default */
uint64_t def_joykey; uint64_t def_joykey;
uint32_t joyaxis; uint32_t joyaxis;
uint32_t def_joyaxis; uint32_t def_joyaxis;
uint32_t orig_joyaxis; // Used by input_{push,pop}_analog_dpad(). /* Used by input_{push,pop}_analog_dpad(). */
uint32_t orig_joyaxis;
}; };
struct platform_bind struct platform_bind
@ -154,8 +165,10 @@ typedef struct video_info
bool force_aspect; bool force_aspect;
unsigned viwidth; unsigned viwidth;
bool smooth; bool smooth;
unsigned input_scale; // Maximum input size: RARCH_SCALE_BASE * input_scale /* Maximum input size: RARCH_SCALE_BASE * input_scale */
bool rgb32; // Use 32-bit RGBA rather than native XBGR1555. unsigned input_scale;
/* Use 32bit RGBA rather than native XBGR1555. */
bool rgb32;
} video_info_t; } video_info_t;
typedef struct audio_driver typedef struct audio_driver
@ -164,13 +177,19 @@ typedef struct audio_driver
ssize_t (*write)(void *data, const void *buf, size_t size); ssize_t (*write)(void *data, const void *buf, size_t size);
bool (*stop)(void *data); bool (*stop)(void *data);
bool (*start)(void *data); bool (*start)(void *data);
void (*set_nonblock_state)(void *data, bool toggle); // Should we care about blocking in audio thread? Fast forwarding.
/* Should we care about blocking in audio thread? Fast forwarding. */
void (*set_nonblock_state)(void *data, bool toggle);
void (*free)(void *data); void (*free)(void *data);
bool (*use_float)(void *data); // Defines if driver will take standard floating point samples, or int16_t samples.
/* Defines if driver will take standard floating point samples,
* or int16_t samples. */
bool (*use_float)(void *data);
const char *ident; const char *ident;
size_t (*write_avail)(void *data); // Optional /* Optional. */
size_t (*buffer_size)(void *data); // Optional size_t (*write_avail)(void *data);
size_t (*buffer_size)(void *data);
} audio_driver_t; } audio_driver_t;
#define AXIS_NEG(x) (((uint32_t)(x) << 16) | UINT16_C(0xFFFF)) #define AXIS_NEG(x) (((uint32_t)(x) << 16) | UINT16_C(0xFFFF))
@ -181,7 +200,7 @@ typedef struct audio_driver
#define AXIS_NEG_GET(x) (((uint32_t)(x) >> 16) & UINT16_C(0xFFFF)) #define AXIS_NEG_GET(x) (((uint32_t)(x) >> 16) & UINT16_C(0xFFFF))
#define AXIS_POS_GET(x) ((uint32_t)(x) & UINT16_C(0xFFFF)) #define AXIS_POS_GET(x) ((uint32_t)(x) & UINT16_C(0xFFFF))
#define NO_BTN UINT16_C(0xFFFF) // I hope no joypad will ever have this many buttons ... ;) #define NO_BTN UINT16_C(0xFFFF)
#define HAT_UP_SHIFT 15 #define HAT_UP_SHIFT 15
#define HAT_DOWN_SHIFT 14 #define HAT_DOWN_SHIFT 14
@ -242,17 +261,18 @@ typedef struct input_osk_driver
typedef struct camera_driver typedef struct camera_driver
{ {
// FIXME: params for initialization - queries for resolution, framerate, color format /* FIXME: params for initialization - queries for resolution,
// which might or might not be honored * framerate, color format which might or might not be honored. */
void *(*init)(const char *device, uint64_t buffer_types, unsigned width, unsigned height); void *(*init)(const char *device, uint64_t buffer_types, unsigned width, unsigned height);
void (*free)(void *data); void (*free)(void *data);
bool (*start)(void *data); bool (*start)(void *data);
void (*stop)(void *data); void (*stop)(void *data);
// Polls the camera driver. /* Polls the camera driver.
// Will call the appropriate callback if a new frame is ready. * Will call the appropriate callback if a new frame is ready.
// Returns true if a new frame was handled. * Returns true if a new frame was handled. */
bool (*poll)(void *data, bool (*poll)(void *data,
retro_camera_frame_raw_framebuffer_t frame_raw_cb, retro_camera_frame_raw_framebuffer_t frame_raw_cb,
retro_camera_frame_opengl_texture_t frame_gl_cb); retro_camera_frame_opengl_texture_t frame_gl_cb);
@ -292,9 +312,13 @@ struct font_params
float x; float x;
float y; float y;
float scale; float scale;
float drop_mod; // Drop shadow color multiplier. /* Drop shadow color multiplier. */
int drop_x, drop_y; // Drop shadow offset. If both are 0, no drop shadow will be rendered. float drop_mod;
uint32_t color; // ABGR. Use the macros. /* Drop shadow offset.
* If both are 0, no drop shadow will be rendered. */
int drop_x, drop_y;
/* ABGR. Use the macros. */
uint32_t color;
bool full_screen; bool full_screen;
}; };
#define FONT_COLOR_RGBA(r, g, b, a) (((r) << 0) | ((g) << 8) | ((b) << 16) | ((a) << 24)) #define FONT_COLOR_RGBA(r, g, b, a) (((r) << 0) | ((g) << 8) | ((b) << 16) | ((a) << 24))
@ -303,7 +327,9 @@ struct font_params
#define FONT_COLOR_GET_BLUE(col) (((col) >> 16) & 0xff) #define FONT_COLOR_GET_BLUE(col) (((col) >> 16) & 0xff)
#define FONT_COLOR_GET_ALPHA(col) (((col) >> 24) & 0xff) #define FONT_COLOR_GET_ALPHA(col) (((col) >> 24) & 0xff)
// Optionally implemented interface to poke more deeply into video driver. /* Optionally implemented interface to poke more
* deeply into video driver. */
typedef struct video_poke_interface typedef struct video_poke_interface
{ {
void (*set_filtering)(void *data, unsigned index, bool smooth); void (*set_filtering)(void *data, unsigned index, bool smooth);
@ -315,8 +341,12 @@ typedef struct video_poke_interface
void (*apply_state_changes)(void *data); void (*apply_state_changes)(void *data);
#ifdef HAVE_MENU #ifdef HAVE_MENU
void (*set_texture_frame)(void *data, const void *frame, bool rgb32, unsigned width, unsigned height, float alpha); // Update texture. /* Update texture. */
void (*set_texture_enable)(void *data, bool enable, bool full_screen); // Enable/disable rendering. void (*set_texture_frame)(void *data, const void *frame, bool rgb32,
unsigned width, unsigned height, float alpha);
/* Enable or disable rendering. */
void (*set_texture_enable)(void *data, bool enable, bool full_screen);
#endif #endif
void (*set_osd_msg)(void *data, const char *msg, const struct font_params *params); void (*set_osd_msg)(void *data, const char *msg, const struct font_params *params);
@ -328,22 +358,38 @@ typedef struct video_poke_interface
typedef struct video_driver typedef struct video_driver
{ {
void *(*init)(const video_info_t *video, const input_driver_t **input, void **input_data); /* Should the video driver act as an input driver as well?
// Should the video driver act as an input driver as well? :) * The video initialization might preinitialize an input driver
// The video initialization might preinitialize an input driver to override the settings in case the video driver relies on input driver for event handling, e.g. * to override the settings in case the video driver relies on
bool (*frame)(void *data, const void *frame, unsigned width, unsigned height, unsigned pitch, const char *msg); // msg is for showing a message on the screen along with the video frame. * input driver for event handling. */
void (*set_nonblock_state)(void *data, bool toggle); // Should we care about syncing to vblank? Fast forwarding. void *(*init)(const video_info_t *video, const input_driver_t **input,
// Is the window still active? void **input_data);
/* msg is for showing a message on the screen along with the video frame. */
bool (*frame)(void *data, const void *frame, unsigned width,
unsigned height, unsigned pitch, const char *msg);
/* Should we care about syncing to vblank? Fast forwarding. */
void (*set_nonblock_state)(void *data, bool toggle);
/* Is the window still active? */
bool (*alive)(void *data); bool (*alive)(void *data);
bool (*focus)(void *data); // Does the window have focus?
bool (*set_shader)(void *data, enum rarch_shader_type type, const char *path); // Sets shader. Might not be implemented. Will be moved to poke_interface later. /* Does the window have focus? */
bool (*focus)(void *data);
/* Sets shader. Might not be implemented. Will be moved to
* poke_interface later. */
bool (*set_shader)(void *data, enum rarch_shader_type type,
const char *path);
void (*free)(void *data); void (*free)(void *data);
const char *ident; const char *ident;
void (*set_rotation)(void *data, unsigned rotation); void (*set_rotation)(void *data, unsigned rotation);
void (*viewport_info)(void *data, struct rarch_viewport *vp); void (*viewport_info)(void *data, struct rarch_viewport *vp);
// Reads out in BGR byte order (24bpp). /* Reads out in BGR byte order (24bpp). */
bool (*read_viewport)(void *data, uint8_t *buffer); bool (*read_viewport)(void *data, uint8_t *buffer);
#ifdef HAVE_OVERLAY #ifdef HAVE_OVERLAY
@ -354,10 +400,13 @@ typedef struct video_driver
enum rarch_display_type enum rarch_display_type
{ {
RARCH_DISPLAY_NONE = 0, // Non-bindable types like consoles, KMS, VideoCore, etc. /* Non-bindable types like consoles, KMS, VideoCore, etc. */
RARCH_DISPLAY_X11, // video_display => Display*, video_window => Window RARCH_DISPLAY_NONE = 0,
RARCH_DISPLAY_WIN32, // video_display => N/A, video_window => HWND /* video_display => Display*, video_window => Window */
RARCH_DISPLAY_OSX // ?! RARCH_DISPLAY_X11,
/* video_display => N/A, video_window => HWND */
RARCH_DISPLAY_WIN32,
RARCH_DISPLAY_OSX
}; };
typedef struct driver typedef struct driver
@ -382,20 +431,24 @@ typedef struct driver
bool threaded_video; bool threaded_video;
// If set during context deinit, the driver should keep /* If set during context deinit, the driver should keep
// graphics context alive to avoid having to reset all context state. * graphics context alive to avoid having to reset all
* context state. */
bool video_cache_context; bool video_cache_context;
bool video_cache_context_ack; // Set to true by driver if context caching succeeded.
// Set this to true if the platform in question needs to 'own' the respective /* Set to true by driver if context caching succeeded. */
// handle and therefore skip regular RetroArch driver teardown/reiniting procedure. bool video_cache_context_ack;
// If set to true, the 'free' function will get skipped. It is then up to the
// driver implementation to properly handle 'reiniting' inside the 'init' function /* Set this to true if the platform in question needs to 'own' the respective
// and make sure it returns the existing handle instead of allocating and returning * handle and therefore skip regular RetroArch driver teardown/reiniting procedure.
// a pointer to a new handle. *
// * If set to true, the 'free' function will get skipped. It is then up to the
// Typically, if a driver intends to make use of this, it should set this to true * driver implementation to properly handle 'reiniting' inside the 'init' function
// at the end of its 'init' function. * and make sure it returns the existing handle instead of allocating and returning
* a pointer to a new handle.
*
* Typically, if a driver intends to make use of this, it should set this to true
* at the end of its 'init' function. */
bool video_data_own; bool video_data_own;
bool audio_data_own; bool audio_data_own;
bool input_data_own; bool input_data_own;
@ -415,22 +468,25 @@ typedef struct driver
bool block_libretro_input; bool block_libretro_input;
bool nonblock_state; bool nonblock_state;
// Opaque handles to currently running window. /* Opaque handles to currently running window.
// Used by e.g. input drivers which bind to a window. * Used by e.g. input drivers which bind to a window.
// Drivers are responsible for setting these if an input driver * Drivers are responsible for setting these if an input driver
// could potentially make use of this. * could potentially make use of this. */
uintptr_t video_display; uintptr_t video_display;
uintptr_t video_window; uintptr_t video_window;
enum rarch_display_type display_type; enum rarch_display_type display_type;
// Used for 15-bit -> 16-bit conversions that take place before being passed to video driver. /* Used for 15-bit -> 16-bit conversions that take place before
* being passed to video driver. */
struct scaler_ctx scaler; struct scaler_ctx scaler;
void *scaler_out; void *scaler_out;
// Graphics driver requires RGBA byte order data (ABGR on little-endian) for 32-bit. /* Graphics driver requires RGBA byte order data (ABGR on little-endian)
// This takes effect for overlay and shader cores that wants to load data into graphics driver. * for 32-bit.
// Kinda hackish to place it here, it is only used for GLES. * This takes effect for overlay and shader cores that wants to load
// TODO: Refactor this better. * data into graphics driver. Kinda hackish to place it here, it is only
* used for GLES.
* TODO: Refactor this better. */
bool gfx_use_rgba; bool gfx_use_rgba;
#ifdef HAVE_OVERLAY #ifdef HAVE_OVERLAY
@ -438,10 +494,10 @@ typedef struct driver
input_overlay_state_t overlay_state; input_overlay_state_t overlay_state;
#endif #endif
// Interface for "poking". /* Interface for "poking". */
const video_poke_interface_t *video_poke; const video_poke_interface_t *video_poke;
// last message given to the video driver /* Last message given to the video driver */
const char *current_msg; const char *current_msg;
} driver_t; } driver_t;
@ -467,17 +523,23 @@ void init_location(void);
void uninit_location(void); void uninit_location(void);
void driver_set_monitor_refresh_rate(float hz); void driver_set_monitor_refresh_rate(float hz);
bool driver_monitor_fps_statistics(double *refresh_rate, double *deviation, unsigned *sample_points); bool driver_monitor_fps_statistics(double *refresh_rate,
double *deviation, unsigned *sample_points);
void driver_set_nonblock_state(bool nonblock); void driver_set_nonblock_state(bool nonblock);
// Used by RETRO_ENVIRONMENT_SET_HW_RENDER. /* Used by RETRO_ENVIRONMENT_SET_HW_RENDER. */
uintptr_t driver_get_current_framebuffer(void); uintptr_t driver_get_current_framebuffer(void);
retro_proc_address_t driver_get_proc_address(const char *sym); retro_proc_address_t driver_get_proc_address(const char *sym);
// Used by RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE /* Used by RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE */
bool driver_set_rumble_state(unsigned port, enum retro_rumble_effect effect, uint16_t strength); bool driver_set_rumble_state(unsigned port,
// Used by RETRO_ENVIRONMENT_GET_SENSOR_INTERFACE enum retro_rumble_effect effect, uint16_t strength);
bool driver_set_sensor_state(unsigned port, enum retro_sensor_action action, unsigned rate);
/* Used by RETRO_ENVIRONMENT_GET_SENSOR_INTERFACE */
bool driver_set_sensor_state(unsigned port,
enum retro_sensor_action action, unsigned rate);
float driver_sensor_get_input(unsigned port, unsigned action); float driver_sensor_get_input(unsigned port, unsigned action);
#ifdef HAVE_DYLIB #ifdef HAVE_DYLIB
@ -499,8 +561,10 @@ void driver_camera_poll(void);
// Used by RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE // Used by RETRO_ENVIRONMENT_GET_LOCATION_INTERFACE
bool driver_location_start(void); bool driver_location_start(void);
void driver_location_stop(void); void driver_location_stop(void);
bool driver_location_get_position(double *lat, double *lon, double *horiz_accuracy, double *vert_accuracy); bool driver_location_get_position(double *lat, double *lon,
void driver_location_set_interval(unsigned interval_msecs, unsigned interval_distance); double *horiz_accuracy, double *vert_accuracy);
void driver_location_set_interval(unsigned interval_msecs,
unsigned interval_distance);
#ifdef HAVE_MENU #ifdef HAVE_MENU
void find_menu_driver(void); void find_menu_driver(void);
@ -509,9 +573,10 @@ void find_menu_driver(void);
// Used by RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO // Used by RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO
bool driver_update_system_av_info(const struct retro_system_av_info *info); bool driver_update_system_av_info(const struct retro_system_av_info *info);
extern driver_t driver; extern driver_t driver;
//////////////////////////////////////////////// Backends /* Backends */
extern const audio_driver_t audio_rsound; extern const audio_driver_t audio_rsound;
extern const audio_driver_t audio_oss; extern const audio_driver_t audio_oss;
extern const audio_driver_t audio_alsa; extern const audio_driver_t audio_alsa;
@ -600,6 +665,7 @@ static inline bool input_key_pressed_func(int key)
return ret; return ret;
} }
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif