diff options
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | src/i_system.c | 105 | ||||
| -rw-r--r-- | src/w_file_win32.c | 2 | ||||
| -rw-r--r-- | src/z_native.c | 5 | ||||
| -rw-r--r-- | src/z_zone.c | 5 | ||||
| -rw-r--r-- | src/z_zone.h | 2 |
6 files changed, 99 insertions, 22 deletions
@@ -18,6 +18,8 @@ devices (eg. PDAs/embedded devices) * The textscreen library now has a scrollable pane widget. * Doxygen documentation was added for the textscreen library. + * The "join game" window in the setup tool now has an option + to automatically join a game on the local network. Compatibility: * The A_BossDeath behavior in v1.9 emulation mode was fixed diff --git a/src/i_system.c b/src/i_system.c index c6deb905..cd8ddcee 100644 --- a/src/i_system.c +++ b/src/i_system.c @@ -55,9 +55,9 @@ #include "w_wad.h" #include "z_zone.h" -#define MIN_RAM 4 /* MiB */ +#define DEFAULT_RAM 16 /* MiB */ +#define MIN_RAM 4 /* MiB */ -int mb_used = 16; typedef struct atexit_listentry_s atexit_listentry_t; @@ -88,26 +88,59 @@ void I_Tactile(int on, int off, int total) { } -byte *I_ZoneBase (int *size) +#ifdef _WIN32_WCE + +// Windows CE-specific auto-allocation function that allocates the zone +// size based on the amount of memory reported free by the OS. + +static byte *AutoAllocMemory(int *size, int default_ram, int min_ram) { + MEMORYSTATUS memory_status; byte *zonemem; - int min_ram = MIN_RAM; - int p; + size_t available; - //! - // @arg <mb> - // - // Specify the heap size, in MiB (default 16). - // + // Get available physical RAM. We leave one megabyte extra free + // for the OS to keep running (my PDA becomes unstable if too + // much RAM is allocated) - p = M_CheckParm("-mb"); + GlobalMemoryStatus(&memory_status); + available = memory_status.dwAvailPhys - 2 * 1024 * 1024; - if (p > 0) + // Limit to default_ram if we have more than that available: + + if (available > default_ram * 1024 * 1024) + { + available = default_ram * 1024 * 1024; + } + + if (available < min_ram * 1024 * 1024) { - mb_used = atoi(myargv[p+1]); - min_ram = mb_used; + I_Error("Unable to allocate %i MiB of RAM for zone", min_ram); } + // Allocate zone: + + *size = available; + zonemem = malloc(*size); + + if (zonemem == NULL) + { + I_Error("Failed when allocating %i bytes", *size); + } + + return zonemem; +} + +#else + +// Zone memory auto-allocation function that allocates the zone size +// by trying progressively smaller zone sizes until one is found that +// works. + +static byte *AutoAllocMemory(int *size, int default_ram, int min_ram) +{ + byte *zonemem; + // Allocate the zone memory. This loop tries progressively smaller // zone sizes until a size is found that can be allocated. // If we used the -mb command line parameter, only the parameter @@ -119,28 +152,58 @@ byte *I_ZoneBase (int *size) { // We need a reasonable minimum amount of RAM to start. - if (mb_used < min_ram) + if (default_ram < min_ram) { - I_Error("Unable to allocate %i MiB of RAM for zone", mb_used); + I_Error("Unable to allocate %i MiB of RAM for zone", default_ram); } // Try to allocate the zone memory. - *size = mb_used * 1024 * 1024; + *size = default_ram * 1024 * 1024; zonemem = malloc(*size); // Failed to allocate? Reduce zone size until we reach a size - // that is acceptable. We decrease by 2 MiB at a time to ensure - // that there is 1-2 MiB still free on the system (my Windows - // Mobile PDA becomes unstable if very low on memory) + // that is acceptable. if (zonemem == NULL) { - mb_used -= 2; + default_ram -= 1; } } + return zonemem; +} + +#endif + +byte *I_ZoneBase (int *size) +{ + byte *zonemem; + int min_ram, default_ram; + int p; + + //! + // @arg <mb> + // + // Specify the heap size, in MiB (default 16). + // + + p = M_CheckParm("-mb"); + + if (p > 0) + { + default_ram = atoi(myargv[p+1]); + min_ram = default_ram; + } + else + { + default_ram = DEFAULT_RAM; + min_ram = MIN_RAM; + } + + zonemem = AutoAllocMemory(size, default_ram, min_ram); + printf("zone memory: %p, %x allocated for zone\n", zonemem, *size); diff --git a/src/w_file_win32.c b/src/w_file_win32.c index ec17cf6c..9e5d963f 100644 --- a/src/w_file_win32.c +++ b/src/w_file_win32.c @@ -28,6 +28,8 @@ #ifdef _WIN32 +#include <stdio.h> + #define WIN32_LEAN_AND_MEAN #include <windows.h> diff --git a/src/z_native.c b/src/z_native.c index 7d31bc6c..ac618222 100644 --- a/src/z_native.c +++ b/src/z_native.c @@ -484,3 +484,8 @@ int Z_FreeMemory(void) return -1; } +unsigned int Z_ZoneSize(void) +{ + return 0; +} + diff --git a/src/z_zone.c b/src/z_zone.c index 54a5ffc5..a3900f5b 100644 --- a/src/z_zone.c +++ b/src/z_zone.c @@ -473,3 +473,8 @@ int Z_FreeMemory (void) return free; } +unsigned int Z_ZoneSize(void) +{ + return mainzone->size; +} + diff --git a/src/z_zone.h b/src/z_zone.h index 44eb365b..a00630cf 100644 --- a/src/z_zone.h +++ b/src/z_zone.h @@ -67,7 +67,7 @@ void Z_FileDumpHeap (FILE *f); void Z_CheckHeap (void); void Z_ChangeTag2 (void *ptr, int tag, char *file, int line); int Z_FreeMemory (void); - +unsigned int Z_ZoneSize(void); // // This is used to get the local FILE:LINE info from CPP |