16 |
|
|
17 |
|
extern char * octname; // global octree name |
18 |
|
|
19 |
< |
/// Ray reporting callback method |
20 |
< |
typedef void RayReportCall(RAY *r, void *cd); |
19 |
> |
extern int castonly; // doing ray-casting only? |
20 |
|
|
21 |
+ |
/// Ray reporting callback method -- returns # successfully reported, -1 to abort |
22 |
+ |
typedef int RayReportCall(RAY *r, void *cd); |
23 |
+ |
|
24 |
|
/// Multi-threaded simulation manager base class |
25 |
|
class RadSimulManager { |
26 |
< |
int nThreads; // number of active threads |
26 |
> |
char * header; // header (less intro and format) |
27 |
> |
int hlen; // header string length |
28 |
|
protected: |
29 |
|
// Assign ray to subthread (fails if NThreads()<2) |
30 |
|
bool SplitRay(RAY *r); |
31 |
|
public: |
32 |
|
RadSimulManager(const char *octn = NULL) { |
33 |
+ |
header = NULL; hlen = 0; |
34 |
|
LoadOctree(octn); |
31 |
– |
nThreads = 1; |
35 |
|
} |
36 |
|
~RadSimulManager() { |
37 |
|
Cleanup(); |
38 |
|
} |
39 |
|
/// Load octree and prepare renderer |
40 |
|
bool LoadOctree(const char *octn); |
41 |
+ |
/// Prepare header from previous input (or clear) |
42 |
+ |
/// Normally called during octree load |
43 |
+ |
bool NewHeader(const char *inspec=NULL); |
44 |
+ |
/// Add a line to header (adds newline if none) |
45 |
+ |
bool AddHeader(const char *str); |
46 |
+ |
/// Append program line to header |
47 |
+ |
bool AddHeader(int ac, char *av[]); |
48 |
+ |
/// Get header lines or empty string |
49 |
+ |
const char * GetHeadStr() const { |
50 |
+ |
return hlen ? header : ""; |
51 |
+ |
} |
52 |
+ |
/// Look for specific header keyword, return value |
53 |
+ |
const char * GetHeadStr(const char *key, bool inOK = false) const; |
54 |
|
/// How many cores are available? |
55 |
|
static int GetNCores(); |
56 |
|
/// Set number of computation threads (0 => #cores) |
57 |
|
int SetThreadCount(int nt = 0); |
58 |
|
/// Check thread count (1 means no multi-threading) |
59 |
|
int NThreads() const { |
60 |
< |
return nThreads; |
60 |
> |
return ray_pnprocs + !ray_pnprocs; |
61 |
|
} |
62 |
|
/// How many threads are currently unoccupied? |
63 |
|
int ThreadsAvailable() const; |
64 |
|
/// Are we ready? |
65 |
|
bool Ready() const { |
66 |
< |
return (octname && nsceneobjs > 0); |
66 |
> |
return (octname && nobjects > 0); |
67 |
|
} |
68 |
|
/// Process a ray (in subthread), optional result |
69 |
|
bool ProcessRay(RAY *r); |
85 |
|
int curFlags; // current operating flags |
86 |
|
// Call-back for global ray-tracing context |
87 |
|
static void RTracer(RAY *r); |
88 |
+ |
// Call-back for FIFO |
89 |
+ |
static int Rfifout(RAY *r); |
90 |
|
// Check for changes to render flags, etc. |
91 |
|
bool UpdateMode(); |
92 |
|
protected: |
75 |
– |
// Add a ray result to FIFO, flushing what we can |
76 |
– |
int QueueResult(const RAY &ra); |
93 |
|
RNUMBER lastRayID; // last ray ID assigned |
94 |
|
public: |
95 |
|
int rtFlags; // operation (RT*) flags |
105 |
|
} |
106 |
|
/// Set number of computation threads (0 => #cores) |
107 |
|
int SetThreadCount(int nt = 0) { |
108 |
< |
if (nt <= 0) nt = GetNCores(); |
108 |
> |
if (nt <= 0) nt = castonly ? 1 : GetNCores(); |
109 |
|
if (nt == NThreads()) return nt; |
110 |
< |
FlushQueue(); |
110 |
> |
if (nt < NThreads() && FlushQueue() < 0) return 0; |
111 |
|
return RadSimulManager::SetThreadCount(nt); |
112 |
|
} |
113 |
|
/// Add ray bundle to queue w/ optional 1st ray ID |
122 |
|
VCOPY(orgdir[0], org); VCOPY(orgdir[1], dir); |
123 |
|
return(EnqueueBundle(orgdir, 1, rID) > 0); |
124 |
|
} |
125 |
< |
/// Set/change cooked ray callback & FIFO flag |
125 |
> |
/// Set/change cooked ray callback |
126 |
|
void SetCookedCall(RayReportCall *cb, void *cd = NULL) { |
127 |
|
if (cookedCall && (cookedCall != cb) | (ccData != cd)) |
128 |
|
FlushQueue(); |
129 |
|
cookedCall = cb; |
130 |
< |
ccData = cd; |
130 |
> |
ccData = cb ? cd : NULL; |
131 |
|
} |
132 |
|
/// Set/change trace callback |
133 |
|
void SetTraceCall(RayReportCall *cb, void *cd = NULL) { |
134 |
|
traceCall = cb; |
135 |
< |
tcData = cd; |
135 |
> |
tcData = cb ? cd : NULL; |
136 |
|
} |
137 |
|
/// Are we ready? |
138 |
|
bool Ready() const { |