(video_crt_switch.c) Move static global variables to struct

This commit is contained in:
twinaphex 2020-03-08 18:36:07 +01:00
parent 3cb73ccd03
commit 2497ac4584

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@ -33,22 +33,28 @@
static void crt_rpi_switch(int width, int height, float hz, int xoffset);
#endif
static unsigned ra_core_width = 0;
static unsigned ra_core_height = 0;
static unsigned ra_tmp_width = 0;
static unsigned ra_tmp_height = 0;
static unsigned ra_set_core_hz = 0;
static int crt_center_adjust = 0;
static int crt_tmp_center_adjust = 0;
static double p_clock = 0;
typedef struct videocrt_switch
{
int center_adjust;
int tmp_center_adjust;
unsigned ra_core_width;
unsigned ra_core_height;
unsigned ra_tmp_width;
unsigned ra_tmp_height;
unsigned ra_set_core_hz;
unsigned index;
float ra_core_hz;
float ra_tmp_core_hz;
float fly_aspect;
double p_clock;
} videocrt_switch_t;
static videocrt_switch_t crt_switch_st;
static bool first_run = true;
static float ra_tmp_core_hz = 0.0f;
static float fly_aspect = 0.0f;
static float ra_core_hz = 0.0f;
static unsigned crt_index = 0;
static void crt_check_first_run(void)
{
if (!first_run)
@ -59,48 +65,56 @@ static void crt_check_first_run(void)
static void switch_crt_hz(void)
{
if (ra_core_hz == ra_tmp_core_hz)
float ra_core_hz = crt_switch_st.ra_core_hz;
if (ra_core_hz == crt_switch_st.ra_tmp_core_hz)
return;
/* set hz float to an int for windows switching */
if (ra_core_hz < 100)
{
if (ra_core_hz < 53)
ra_set_core_hz = 50;
crt_switch_st.ra_set_core_hz = 50;
if (ra_core_hz >= 53 && ra_core_hz < 57)
ra_set_core_hz = 55;
crt_switch_st.ra_set_core_hz = 55;
if (ra_core_hz >= 57)
ra_set_core_hz = 60;
crt_switch_st.ra_set_core_hz = 60;
}
if (ra_core_hz > 100)
{
if (ra_core_hz < 106)
ra_set_core_hz = 120;
crt_switch_st.ra_set_core_hz = 120;
if (ra_core_hz >= 106 && ra_core_hz < 114)
ra_set_core_hz = 110;
crt_switch_st.ra_set_core_hz = 110;
if (ra_core_hz >= 114)
ra_set_core_hz = 120;
crt_switch_st.ra_set_core_hz = 120;
}
video_monitor_set_refresh_rate(ra_set_core_hz);
video_monitor_set_refresh_rate(crt_switch_st.ra_set_core_hz);
ra_tmp_core_hz = ra_core_hz;
crt_switch_st.ra_tmp_core_hz = ra_core_hz;
}
void crt_aspect_ratio_switch(unsigned width, unsigned height)
{
/* send aspect float to videeo_driver */
fly_aspect = (float)width / height;
video_driver_set_aspect_ratio_value((float)fly_aspect);
crt_switch_st.fly_aspect = (float)width / height;
video_driver_set_aspect_ratio_value((float)crt_switch_st.fly_aspect);
}
static void switch_res_crt(unsigned width, unsigned height)
{
video_display_server_set_resolution(width, height,
ra_set_core_hz, ra_core_hz, crt_center_adjust, crt_index, crt_center_adjust);
crt_switch_st.ra_set_core_hz,
crt_switch_st.ra_core_hz,
crt_switch_st.center_adjust,
crt_switch_st.index,
crt_switch_st.center_adjust);
#if defined(HAVE_VIDEOCORE)
crt_rpi_switch(width, height, ra_core_hz, crt_center_adjust);
video_monitor_set_refresh_rate(ra_core_hz);
crt_rpi_switch(width, height, crt_switch_st.ra_core_hz,
crt_switch_st.center_adjust);
video_monitor_set_refresh_rate(crt_switch_st.ra_core_hz);
crt_switch_driver_reinit();
#endif
video_driver_apply_state_changes();
@ -136,7 +150,7 @@ static void crt_screen_setup_aspect(unsigned width, unsigned height)
if (height > 200)
crt_aspect_ratio_switch(width, height);
if (height == 144 && ra_set_core_hz == 50)
if (height == 144 && crt_switch_st.ra_set_core_hz == 50)
{
height = 288;
crt_aspect_ratio_switch(width, height);
@ -160,13 +174,13 @@ static void crt_screen_setup_aspect(unsigned width, unsigned height)
height = 254;
}
if (height == 528 && ra_set_core_hz == 60)
if (height == 528 && crt_switch_st.ra_set_core_hz == 60)
{
crt_aspect_ratio_switch(width, height);
height = 480;
}
if (height >= 240 && height < 255 && ra_set_core_hz == 55)
if (height >= 240 && height < 255 && crt_switch_st.ra_set_core_hz == 55)
{
crt_aspect_ratio_switch(width, height);
height = 254;
@ -183,47 +197,49 @@ void crt_switch_res_core(unsigned width, unsigned height,
* video_driver_monitor_adjust_system_rates() */
if (width == 4)
{
width = 320;
width = 320;
height = 240;
}
ra_core_height = height;
ra_core_hz = hz;
crt_switch_st.ra_core_height = height;
crt_switch_st.ra_core_hz = hz;
if (dynamic)
ra_core_width = crt_compute_dynamic_width(width);
crt_switch_st.ra_core_width = crt_compute_dynamic_width(width);
else
ra_core_width = width;
crt_switch_st.ra_core_width = width;
crt_center_adjust = crt_switch_center_adjust;
crt_index = monitor_index;
crt_switch_st.center_adjust = crt_switch_center_adjust;
crt_switch_st.index = monitor_index;
if (crt_mode == 2)
{
if (hz > 53)
ra_core_hz = hz * 2;
crt_switch_st.ra_core_hz = hz * 2;
if (hz <= 53)
ra_core_hz = 120.0f;
crt_switch_st.ra_core_hz = 120.0f;
}
crt_check_first_run();
/* Detect resolution change and switch */
if (
(ra_tmp_height != ra_core_height) ||
(ra_core_width != ra_tmp_width) || (crt_center_adjust != crt_tmp_center_adjust)
(crt_switch_st.ra_tmp_height != crt_switch_st.ra_core_height) ||
(crt_switch_st.ra_core_width != crt_switch_st.ra_tmp_width) ||
(crt_switch_st.center_adjust != crt_switch_st.tmp_center_adjust)
)
crt_screen_setup_aspect(ra_core_width, ra_core_height);
crt_screen_setup_aspect(crt_switch_st.ra_core_width,
crt_switch_st.ra_core_height);
ra_tmp_height = ra_core_height;
ra_tmp_width = ra_core_width;
crt_tmp_center_adjust = crt_center_adjust;
crt_switch_st.ra_tmp_height = crt_switch_st.ra_core_height;
crt_switch_st.ra_tmp_width = crt_switch_st.ra_core_width;
crt_switch_st.tmp_center_adjust = crt_switch_st.center_adjust;
/* Check if aspect is correct, if not change */
if (video_driver_get_aspect_ratio() != fly_aspect)
if (video_driver_get_aspect_ratio() != crt_switch_st.fly_aspect)
{
video_driver_set_aspect_ratio_value((float)fly_aspect);
video_driver_set_aspect_ratio_value((float)crt_switch_st.fly_aspect);
video_driver_apply_state_changes();
}
}
@ -239,21 +255,21 @@ void crt_video_restore(void)
int crt_compute_dynamic_width(int width)
{
unsigned i;
int dynamic_width = 0;
unsigned min_height = 261;
int dynamic_width = 0;
unsigned min_height = 261;
#if defined(HAVE_VIDEOCORE)
p_clock = 32000000;
crt_switch_st.p_clock = 32000000;
#else
p_clock = 21000000;
crt_switch_st.p_clock = 21000000;
#endif
for (i = 0; i < 10; i++)
{
dynamic_width = width*i;
if ((dynamic_width * min_height * ra_core_hz) > p_clock)
dynamic_width = width * i;
if ((dynamic_width * min_height * crt_switch_st.ra_core_hz)
> crt_switch_st.p_clock)
break;
}
return dynamic_width;
}
@ -336,10 +352,8 @@ static void crt_rpi_switch(int width, int height, float hz, int xoffset)
if (height > 300)
vsp = vfp + 6; /* needs to be 6 for interlaced */
vsp = 3;
vbp = (vmax-height)-vsp-vfp;
vsp = 3;
vbp = (vmax-height)-vsp-vfp;
hmax = width+hfp+hsp+hbp;
if (height < 300)