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Add RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL.

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This commit is contained in:
Themaister 2012-06-01 16:50:38 +02:00
parent b97644f52f
commit b2387e06bc
3 changed files with 25 additions and 0 deletions
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4
dynamic.c
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@ -320,6 +320,10 @@ static bool environment_cb(unsigned cmd, void *data)
g_extern.system.shutdown = true; g_extern.system.shutdown = true;
break; break;
case RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL:
g_extern.system.performance_level = *(const unsigned*)data;
break;
default: default:
RARCH_LOG("Environ UNSUPPORTED (#%u).\n", cmd); RARCH_LOG("Environ UNSUPPORTED (#%u).\n", cmd);
return false; return false;

1
general.h
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@ -329,6 +329,7 @@ struct global
unsigned rotation; unsigned rotation;
bool shutdown; bool shutdown;
unsigned performance_level;
} system; } system;
struct struct

20
libretro.h
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@ -122,6 +122,26 @@ extern "C" {
// Should only be used if game has a specific // Should only be used if game has a specific
// way to shutdown the game from a menu item or similar. // way to shutdown the game from a menu item or similar.
#define RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL 8
// const unsigned * --
// Gives a hint to the frontend how demanding this implementation
// is on a system. E.g. reporting a level of 2 means
// this implementation should run decently on all frontends
// of level 2 and up.
//
// It can be used by the frontend to potentially warn
// about too demanding implementations.
//
// The levels are "floating", but roughly defined as:
// 1: Low-powered devices such as Raspberry Pi, smart phones, tablets, etc.
// 2: Medium-spec consoles, such as PS3/360, with sub-par CPUs.
// 3: Modern desktop/laptops with reasonably powerful CPUs.
// 4: High-end desktops with very powerful CPUs.
//
// This function can be called on a per-game basis,
// as certain games an implementation can play might be
// particularily demanding.
struct retro_message struct retro_message
{ {
const char *msg; // Message to be displayed. const char *msg; // Message to be displayed.