}
prvm_stringbuffer_t;
+// flags for knownstrings
+#define KNOWNSTRINGFLAG_ENGINE 1
+#define KNOWNSTRINGFLAG_GCMARK 2
+#define KNOWNSTRINGFLAG_GCPRUNE 4 // cleared by GCMARK code, string is freed if prune remains after two sweeps
+
+typedef enum prvm_prog_garbagecollection_state_stage_e
+{
+ PRVM_GC_START = 0,
+ PRVM_GC_GLOBALS_MARK,
+ PRVM_GC_FIELDS_MARK,
+ PRVM_GC_KNOWNSTRINGS_SWEEP,
+ PRVM_GC_RESET,
+}
+prvm_prog_garbagecollection_state_stage_t;
+
+typedef struct prvm_prog_garbagecollection_state_s
+{
+ prvm_prog_garbagecollection_state_stage_t stage;
+ int globals_mark_progress;
+ int fields_mark_progress;
+ int fields_mark_progress_entity;
+ int knownstrings_sweep_progress;
+}
+prvm_prog_garbagecollection_state_t;
+
// [INIT] variables flagged with this token can be initialized by 'you'
// NOTE: external code has to create and free the mempools but everything else is done by prvm !
typedef struct prvm_prog_s
// (simple optimization of the free string search)
int firstfreeknownstring;
const char **knownstrings;
- unsigned char *knownstrings_freeable;
+ unsigned char *knownstrings_flags;
const char **knownstrings_origin;
const char ***stringshash;
memexpandablearray_t stringbuffersarray;
+ // garbage collection status
+ prvm_prog_garbagecollection_state_t gc;
+
// all memory allocations related to this vm_prog (code, edicts, strings)
mempool_t *progs_mempool; // [INIT]
// buffer for storing all tempstrings created during one invocation of ExecuteProgram
sizebuf_t tempstringsbuf;
- // in csqc the polygonbegin,polygonvertex,polygonend sequencing is
- // stateful, so this tracks the last polygonbegin's choice of
+ // polygonbegin, polygonvertex, polygonend state
+ // the polygon is buffered here until polygonend commits it to the relevant
+ // CL_Mesh entity, because important decisions depend on the vertex data
+ // provided (e.g. whether the polygon is transparent), we can't really do much
+ // with it until we have all of the data...
+
+ // this tracks the last polygonbegin's choice of
// CL_Mesh_CSQC or CL_Mesh_UI for this polygon
dp_model_t *polygonbegin_model;
// indicates if polygonbegin should be interpreted as 2d
// where the behavior is always 3D unless DRAWFLAG_2D is passed, but
// DRAWFLAG_2D conflicts with our DRAWFLAG_SCREEN.
qboolean polygonbegin_guess2d;
+ // the texture name and drawflags provided to polygonbegin
+ char polygonbegin_texname[MAX_QPATH];
+ int polygonbegin_drawflags;
+ // the vertex data
+ int polygonbegin_numvertices;
+ int polygonbegin_maxvertices;
+ float *polygonbegin_vertexdata;
// copies of some vars that were former read from sv
int num_edicts;
int reserved_edicts; // [INIT]
prvm_edict_t *edicts;
- prvm_vec_t *edictsfields;
+ union
+ {
+ prvm_vec_t *fp;
+ prvm_int_t *ip;
+ } edictsfields;
void *edictprivate;
// size of the engine private struct
void PRVM_Crash(prvm_prog_t *prog);
void PRVM_ShortStackTrace(prvm_prog_t *prog, char *buf, size_t bufsize);
const char *PRVM_AllocationOrigin(prvm_prog_t *prog);
+void PRVM_GarbageCollection(prvm_prog_t *prog);
ddef_t *PRVM_ED_FindField(prvm_prog_t *prog, const char *name);
ddef_t *PRVM_ED_FindGlobal(prvm_prog_t *prog, const char *name);