libretro/beetle-psx-libretro
1
0
Fork 0
mirror of https://github.com/libretro/beetle-psx-libretro.git synced 2025-02-11 12:05:58 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

move 'crop overscan' to a core option

Browse Source 
also add a couple of options for fine control of the cropped image size/placement
This commit is contained in:
hizzlekizzle 2016-05-29 19:59:25 -05:00
parent 129fbc59d9
commit b7040419f3
1 changed files with 47 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

58
libretro.cpp
View File

@ -29,6 +29,8 @@ static bool display_internal_framerate = false;
static bool allow_frame_duping = false;
static bool failed_init = false;
static unsigned image_offset = 0;
static unsigned image_crop = 0;
static bool crop_overscan = false;
// Sets how often (in number of output frames/retro_run invocations)
// the internal framerace counter should be updated if
@ -2745,6 +2747,14 @@ static void check_variables(bool startup)
else
display_internal_framerate = false;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "enabled") == 0)
crop_overscan = true;
else if (strcmp(var.value, "disabled") == 0)
crop_overscan = false;
}
var.key = "beetle_psx_image_offset";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
@ -2769,6 +2779,30 @@ static void check_variables(bool startup)
image_offset = 4;
}
var.key = "beetle_psx_image_crop";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
if (strcmp(var.value, "disabled") == 0)
image_crop = 0;
else if (strcmp(var.value, "1 px") == 0)
image_crop = 1;
else if (strcmp(var.value, "2 px") == 0)
image_crop = 2;
else if (strcmp(var.value, "3 px") == 0)
image_crop = 3;
else if (strcmp(var.value, "4 px") == 0)
image_crop = 4;
else if (strcmp(var.value, "5 px") == 0)
image_crop = 5;
else if (strcmp(var.value, "6 px") == 0)
image_crop = 6;
else if (strcmp(var.value, "7 px") == 0)
image_crop = 7;
else if (strcmp(var.value, "8 px") == 0)
image_crop = 8;
}
}
#ifdef NEED_CD
@ -3579,7 +3613,7 @@ void retro_run(void)
const uint32_t *pix = surf->pixels;
unsigned pix_offset = 0;
if (!overscan)
if (crop_overscan)
{
// 320 width -> 350 width.
// 364 width -> 400 width.
@ -3591,29 +3625,29 @@ void retro_run(void)
{
// The shifts are not simply (padded_width - real_width) / 2.
case 280:
pix_offset += 10 + image_offset;
width = 256;
pix_offset += 10 + (image_offset + floor(0.5 * image_crop));
width = 256 - image_crop;
break;
case 350:
pix_offset += 14 + image_offset;
width = 320;
pix_offset += 14 + (image_offset + floor(0.5 * image_crop));
width = 320 - image_crop;
break;
case 400:
pix_offset += 15 + image_offset;
width = 364;
pix_offset += 15 + (image_offset + floor(0.5 * image_crop));
width = 364 - image_crop;
break;
case 560:
pix_offset += 26 + image_offset;
width = 512;
pix_offset += 26 + (image_offset + floor(0.5 * image_crop));
width = 512 - image_crop;
break;
case 700:
pix_offset += 33 + image_offset;
width = 640;
pix_offset += 33 + (image_offset + floor(0.5 * image_crop));
width = 640 - image_crop;
break;
default:
@ -3774,7 +3808,9 @@ void retro_set_environment(retro_environment_t cb)
{ "beetle_psx_enable_multitap_port2", "Port 2: Multitap enable; disabled|enabled" },
{ "beetle_psx_frame_duping_enable", "Frame duping (speedup); disabled|enabled" },
{ "beetle_psx_display_internal_framerate", "Display internal FPS; disabled|enabled" },
{ "beetle_psx_crop_overscan", "Crop Overscan; enabled|disabled" },
{ "beetle_psx_image_offset", "Offset Cropped Image; disabled|1 px|2 px|3 px|4 px|-4 px|-3 px|-2 px|-1 px" },
{ "beetle_psx_image_crop", "Additional Cropping; disabled|1 px|2 px|3 px|4 px|5 px|6 px|7 px|8 px" },
{ NULL, NULL },
};
static const struct retro_controller_description pads[] = {