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Allow cores to infer aspect ratios other than PAR 1:1.

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This commit is contained in:
Themaister 2012-04-09 22:19:51 +02:00
parent ba2e913908
commit 0dff4dad52
3 changed files with 11 additions and 2 deletions
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8
driver.c
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@ -498,7 +498,7 @@ void init_video_input(void)
init_shader_dir();
#endif
struct retro_game_geometry *geom = &g_extern.system.av_info.geometry;
const struct retro_game_geometry *geom = &g_extern.system.av_info.geometry;
unsigned max_dim = max(geom->max_width, geom->max_height);
unsigned scale = max_dim / SSNES_SCALE_BASE;
scale = max(scale, 1);
@ -529,7 +529,11 @@ void init_video_input(void)
if (g_settings.video.aspect_ratio < 0.0f)
{
g_settings.video.aspect_ratio = (float)geom->base_width / geom->base_height;
if (geom->aspect_ratio > 0.0f && g_settings.video.aspect_ratio_auto)
g_settings.video.aspect_ratio = geom->aspect_ratio;
else
g_settings.video.aspect_ratio = (float)geom->base_width / geom->base_height;
SSNES_LOG("Adjusting aspect ratio to %.2f\n", g_settings.video.aspect_ratio);
}

1
general.h
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@ -94,6 +94,7 @@ struct settings
bool force_aspect;
bool crop_overscan;
float aspect_ratio;
bool aspect_ratio_auto;
char cg_shader_path[PATH_MAX];
char bsnes_shader_path[PATH_MAX];
char filter_path[PATH_MAX];

4
libretro.h
View File

@ -119,6 +119,10 @@ struct retro_game_geometry
unsigned base_height; // Nominal video height of game.
unsigned max_width; // Maximum possible width of game.
unsigned max_height; // Maximum possible height of game.
float aspect_ratio; // Nominal aspect ratio of game. If aspect_ratio is <= 0.0,
// an aspect ratio of base_width / base_height is assumed.
// A frontend could override this setting if desired.
};
struct retro_system_timing