use dynamic eye position-centered bouncegrid when rendering in dynamic

[xonotic/darkplaces.git] / zone.c

diff --git a/zone.c b/zone.c
index ddc7d1003ba4cdb93f711d77c4f3401c1df9143e..7c601cf0918986fd3aec2590ea740b5ee9813d79 100644 (file)
--- a/zone.c
+++ b/zone.c
@@ -23,6 +23,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #ifdef WIN32
 #include <windows.h>
+#include <winbase.h>
 #else
 #include <unistd.h>
 #endif
@@ -81,6 +82,8 @@ static memclump_t *clumpchain = NULL;
 
 cvar_t developer_memory = {0, "developer_memory", "0", "prints debugging information about memory allocations"};
 cvar_t developer_memorydebug = {0, "developer_memorydebug", "0", "enables memory corruption checks (very slow)"};
+cvar_t sys_memsize_physical = {CVAR_READONLY, "sys_memsize_physical", "", "physical memory size in MB (or empty if unknown)"};
+cvar_t sys_memsize_virtual = {CVAR_READONLY, "sys_memsize_virtual", "", "virtual memory size in MB (or empty if unknown)"};
 
 static mempool_t *poolchain = NULL;
 
@@ -392,9 +395,9 @@ static void _Mem_FreeBlock(memheader_t *mem, const char *filename, int fileline)
        sentinel1 = MEMHEADER_SENTINEL_FOR_ADDRESS(&mem->sentinel);
        sentinel2 = MEMHEADER_SENTINEL_FOR_ADDRESS((unsigned char *) mem + sizeof(memheader_t) + mem->size);
        if (mem->sentinel != sentinel1)
-               Sys_Error("Mem_Free: trashed header sentinel 1 (alloc at %s:%i, free at %s:%i)", mem->filename, mem->fileline, filename, fileline);
+               Sys_Error("Mem_Free: trashed head sentinel (alloc at %s:%i, free at %s:%i)", mem->filename, mem->fileline, filename, fileline);
        if (memcmp((unsigned char *) mem + sizeof(memheader_t) + mem->size, &sentinel2, sizeof(sentinel2)))
-               Sys_Error("Mem_Free: trashed header sentinel 2 (alloc at %s:%i, free at %s:%i)", mem->filename, mem->fileline, filename, fileline);
+               Sys_Error("Mem_Free: trashed tail sentinel (alloc at %s:%i, free at %s:%i)", mem->filename, mem->fileline, filename, fileline);
 
        pool = mem->pool;
        if (developer_memory.integer)
@@ -516,9 +519,9 @@ void _Mem_EmptyPool(mempool_t *pool, const char *filename, int fileline)
        if (pool == NULL)
                Sys_Error("Mem_EmptyPool: pool == NULL (emptypool at %s:%i)", filename, fileline);
        if (pool->sentinel1 != MEMHEADER_SENTINEL_FOR_ADDRESS(&pool->sentinel1))
-               Sys_Error("Mem_EmptyPool: trashed pool sentinel 2 (allocpool at %s:%i, emptypool at %s:%i)", pool->filename, pool->fileline, filename, fileline);
-       if (pool->sentinel2 != MEMHEADER_SENTINEL_FOR_ADDRESS(&pool->sentinel2))
                Sys_Error("Mem_EmptyPool: trashed pool sentinel 1 (allocpool at %s:%i, emptypool at %s:%i)", pool->filename, pool->fileline, filename, fileline);
+       if (pool->sentinel2 != MEMHEADER_SENTINEL_FOR_ADDRESS(&pool->sentinel2))
+               Sys_Error("Mem_EmptyPool: trashed pool sentinel 2 (allocpool at %s:%i, emptypool at %s:%i)", pool->filename, pool->fileline, filename, fileline);
 
        // free memory owned by the pool
        while (pool->chain)
@@ -544,9 +547,9 @@ void _Mem_CheckSentinels(void *data, const char *filename, int fileline)
        sentinel1 = MEMHEADER_SENTINEL_FOR_ADDRESS(&mem->sentinel);
        sentinel2 = MEMHEADER_SENTINEL_FOR_ADDRESS((unsigned char *) mem + sizeof(memheader_t) + mem->size);
        if (mem->sentinel != sentinel1)
-               Sys_Error("Mem_Free: trashed header sentinel 1 (alloc at %s:%i, sentinel check at %s:%i)", mem->filename, mem->fileline, filename, fileline);
+               Sys_Error("Mem_Free: trashed head sentinel (alloc at %s:%i, sentinel check at %s:%i)", mem->filename, mem->fileline, filename, fileline);
        if (memcmp((unsigned char *) mem + sizeof(memheader_t) + mem->size, &sentinel2, sizeof(sentinel2)))
-               Sys_Error("Mem_Free: trashed header sentinel 2 (alloc at %s:%i, sentinel check at %s:%i)", mem->filename, mem->fileline, filename, fileline);
+               Sys_Error("Mem_Free: trashed tail sentinel (alloc at %s:%i, sentinel check at %s:%i)", mem->filename, mem->fileline, filename, fileline);
 }
 
 #if MEMCLUMPING
@@ -857,7 +860,7 @@ void Memory_Init (void)
 {
        static union {unsigned short s;unsigned char b[2];} u;
        u.s = 0x100;
-       mem_bigendian = u.b[0];
+       mem_bigendian = u.b[0] != 0;
 
        sentinel_seed = rand();
        poolchain = NULL;
@@ -877,5 +880,68 @@ void Memory_Init_Commands (void)
        Cmd_AddCommand ("memlist", MemList_f, "prints memory pool information (or if used as memlist 5 lists individual allocations of 5K or larger, 0 lists all allocations)");
        Cvar_RegisterVariable (&developer_memory);
        Cvar_RegisterVariable (&developer_memorydebug);
+       Cvar_RegisterVariable (&sys_memsize_physical);
+       Cvar_RegisterVariable (&sys_memsize_virtual);
+
+#if defined(WIN32)
+#ifdef _WIN64
+       {
+               MEMORYSTATUSEX status;
+               // first guess
+               Cvar_SetValueQuick(&sys_memsize_virtual, 8388608);
+               // then improve
+               status.dwLength = sizeof(status);
+               if(GlobalMemoryStatusEx(&status))
+               {
+                       Cvar_SetValueQuick(&sys_memsize_physical, status.ullTotalPhys / 1048576.0);
+                       Cvar_SetValueQuick(&sys_memsize_virtual, min(sys_memsize_virtual.value, status.ullTotalVirtual / 1048576.0));
+               }
+       }
+#else
+       {
+               MEMORYSTATUS status;
+               // first guess
+               Cvar_SetValueQuick(&sys_memsize_virtual, 2048);
+               // then improve
+               status.dwLength = sizeof(status);
+               GlobalMemoryStatus(&status);
+               Cvar_SetValueQuick(&sys_memsize_physical, status.dwTotalPhys / 1048576.0);
+               Cvar_SetValueQuick(&sys_memsize_virtual, min(sys_memsize_virtual.value, status.dwTotalVirtual / 1048576.0));
+       }
+#endif
+#else
+       {
+               // first guess
+               Cvar_SetValueQuick(&sys_memsize_virtual, (sizeof(void*) == 4) ? 2048 : 268435456);
+               // then improve
+               {
+                       // Linux, and BSD with linprocfs mounted
+                       FILE *f = fopen("/proc/meminfo", "r");
+                       if(f)
+                       {
+                               static char buf[1024];
+                               while(fgets(buf, sizeof(buf), f))
+                               {
+                                       const char *p = buf;
+                                       if(!COM_ParseToken_Console(&p))
+                                               continue;
+                                       if(!strcmp(com_token, "MemTotal:"))
+                                       {
+                                               if(!COM_ParseToken_Console(&p))
+                                                       continue;
+                                               Cvar_SetValueQuick(&sys_memsize_physical, atof(com_token) / 1024.0);
+                                       }
+                                       if(!strcmp(com_token, "SwapTotal:"))
+                                       {
+                                               if(!COM_ParseToken_Console(&p))
+                                                       continue;
+                                               Cvar_SetValueQuick(&sys_memsize_virtual, min(sys_memsize_virtual.value , atof(com_token) / 1024.0 + sys_memsize_physical.value));
+                                       }
+                               }
+                               fclose(f);
+                       }
+               }
+       }
+#endif
 }