/*------------------------------------------------------------------------*/
GRAPH* build_graph_u(VINDEX vertex_size, EINDEX edge_size, MEM_POOL* m)
{
GRAPH *g;
int i;
GR_ASSERT(vertex_size >= 0, "build_graph_u vertex_size < 0\n");
GR_ASSERT(edge_size >= 0, "build_graph_u edge_size < 0\n");
g = (GRAPH*) MEM_POOL_Alloc(m, sizeof(GRAPH));
GR_ASSERT (g != 0, "build_graph_u g == 0\n");
memset(g, 0, sizeof(GRAPH));
if (vertex_size != 0) /* build the vertices */
{
GRAPH_v(g) = (VERTEX*) MEM_POOL_Alloc(m, sizeof(VERTEX)*vertex_size);
GR_ASSERT (GRAPH_v(g) != 0, "build_graph_u graph_v(g) == 0\n");
memset(GRAPH_v(g), 0, sizeof(VERTEX)*vertex_size);
}
if (edge_size != 0) /* build the edges */
{
GRAPH_e(g) = (EDGE*) MEM_POOL_Alloc(m, sizeof(EDGE)*edge_size);
GR_ASSERT (GRAPH_e(g) != 0, "build_graph_u graph_e(g) == 0\n");
memset(GRAPH_e(g), 0, sizeof(EDGE)*edge_size);
}
/*----------------------------set up the vertices-------------------------*/
GRAPH_vcnt(g) = 0; /* used vertices */
for (i = 0; i<vertex_size; ++i)
{
VERTEX_from(&GRAPH_v_i(g,i)) = i+1; /* set the linked list of free vertices */
VERTEX_fcnt(&GRAPH_v_i(g,i)) = -1; /* node is not being used */
}
/* last free vertex points to no entry */
VERTEX_from(&GRAPH_v_i(g,vertex_size-1)) = INVALID_VINDEX;
GRAPH_vfree(g) = 0; /* free vertices = total added vertices */
GRAPH_vmax(g) = vertex_size; /* max vertices = new maximum */
/*----------------------------set up the edges----------------------------*/
GRAPH_ecnt(g) = 0; /* used edges */
for (i = 0; i<edge_size; ++i)
{
EDGE_nfrom(&GRAPH_e_i(g,i)) = i+1; /* set the linked list of free edges */
EDGE_from(&GRAPH_e_i(g,i)) = INVALID_VINDEX; /* edge is not being used */
}
/* last free edge points to no entry */
EDGE_nfrom(&GRAPH_e_i(g, edge_size-1)) = -1;
GRAPH_efree(g) = 0; /* free edges */
GRAPH_emax(g) = edge_size; /* total edges */
GRAPH_root(g) = INVALID_VINDEX; /* no root */
GRAPH_m(g) = m;
return g;
}
/*----------------------------------------------------------------------*/
EINDEX add_edge(GRAPH *g, VINDEX from, VINDEX to, void *user)
{
EINDEX new_edge, e2;
MEM_POOL *m = GRAPH_m(g);
GR_ASSERT(is_vertex(g,from), "add_edge is_vertex(g, from\n");
GR_ASSERT(is_vertex(g,from), "add_edge is_vertex(g, to\n");
/* are there any free edges? */
if(GRAPH_efree(g) == -1)
/* grow the edge list if no free edges */
grow_edge(g);
/* get a free edge */
new_edge = GRAPH_efree(g);
/* reset the free edge pointer */
GRAPH_efree(g)= EDGE_nfrom(&GRAPH_e_i(g,new_edge));
/* store the user information */
EDGE_user(&GRAPH_e_i(g,new_edge)) = user;
/* from vertex is = from */
EDGE_from(&GRAPH_e_i(g,new_edge)) = from;
/* to vertex is = to */
EDGE_to(&GRAPH_e_i(g,new_edge)) = to;
/* incr. from count for from vertex */
VERTEX_fcnt(&GRAPH_v_i(g,from))++;
/* incr. to count for to vertex */
VERTEX_tcnt(&GRAPH_v_i(g,to))++;
/* incr. total used edge count */
GRAPH_ecnt(g)++;
/* set up the list of from edges for the from vertex */
e2 = VERTEX_from(&GRAPH_v_i(g,from));
EDGE_nfrom(&GRAPH_e_i(g,new_edge)) = e2;
VERTEX_from(&GRAPH_v_i(g,from)) = new_edge;
/* set up the list of to edges for the to vertex */
e2 = VERTEX_to(&GRAPH_v_i(g,to));
EDGE_nto(&GRAPH_e_i(g,new_edge)) = e2;
VERTEX_to(&GRAPH_v_i(g,to)) = new_edge;
/* set the recursive edge field to be zero */
EDGE_etype(&GRAPH_e_i(g,new_edge)) = 0;
return new_edge;
}
/*---------------------------------------------------------------*/
void*
get_edge_u(GRAPH *g, EINDEX e)
{
GR_ASSERT(is_edge(g, e), "get_edge_u is_edge\n");
return EDGE_user(&GRAPH_e_i(g,e));
}
/*---------------------------------------------------------------------*/
void* delete_vertex(GRAPH *g, VINDEX vertex)
{
void *user;
EINDEX from, nfrom, to, nto;
GR_ASSERT(is_vertex(g, vertex), "delete vertex is_vertex\n");
user = VERTEX_user(&GRAPH_v_i(g,vertex));
/* delete the from edges */
from = VERTEX_from(&GRAPH_v_i(g,vertex));
while (from != INVALID_EINDEX)
{
nfrom = EDGE_nfrom(&GRAPH_e_i(g,from));
delete_edge(g, from);
from = nfrom;
}
/* delete the to edges */
to = VERTEX_to(&GRAPH_v_i(g,vertex));
while (to != INVALID_EINDEX)
{
nto = EDGE_nto(&GRAPH_e_i(g,to));
delete_edge(g, to);
to = nto;
}
VERTEX_fcnt(&GRAPH_v_i(g,vertex)) = -1;
VERTEX_from(&GRAPH_v_i(g,vertex)) = GRAPH_vfree(g);
GRAPH_vfree(g) = vertex;
GRAPH_vcnt(g)--;
return user;
}
/*------------------------------------------------------------------------*/
static void grow_edge(GRAPH *g)
{
EINDEX max, i, diff;
MEM_POOL *m = GRAPH_m(g);
if (GRAPH_emax(g) < 8)
max = 16;
else
max = GRAPH_emax(g)*2; /* set max to double current size */
GR_ASSERT(max > GRAPH_emax(g), "grow_edge graph_emax >= max\n");
GRAPH_e(g) = (EDGE*) MEM_POOL_Realloc(m,GRAPH_e(g), sizeof(EDGE)*GRAPH_emax(g),
sizeof(EDGE)*max);
/* diff = max - GRAPH_emax(g); */
/* memset(&GRAPH_e_i(g,GRAPH_emax(g)), 0, sizeof(EDGE)*(diff)); */
for (i = GRAPH_emax(g); i<max; ++i) {
EDGE_nfrom(&GRAPH_e_i(g,i)) = i+1; /* set the linked list of free edges */
EDGE_from(&GRAPH_e_i(g,i)) = INVALID_EINDEX; /* edge is not being used */
}
/* last free vertex points to no entry */
EDGE_nfrom(&GRAPH_e_i(g, max-1)) = INVALID_EINDEX;
GRAPH_efree(g) = GRAPH_emax(g); /* free edges = total added edges */
GRAPH_emax(g) = max; /* max edges = new maximum */
}
/*------------------------------------------------------------------------*/
static void grow_vertex(GRAPH *g)
{
VINDEX max, i;
MEM_POOL *m = GRAPH_m(g);
if (GRAPH_vmax(g) < 8)
max = 16;
else
max = GRAPH_vmax(g)*2; /* set max to double current size */
GR_ASSERT(max > GRAPH_vmax(g), "grow_vertex max <= GRAPH_vmax(g)\n");
GRAPH_v(g) = (VERTEX*) MEM_POOL_Realloc(m,GRAPH_v(g),sizeof(VERTEX)*GRAPH_vmax(g),
sizeof(VERTEX)*max);
for (i = GRAPH_vmax(g); i<max; ++i) {
VERTEX_from(&GRAPH_v_i(g,i)) = i+1; /* set the linked list of free vertices */
VERTEX_fcnt(&GRAPH_v_i(g,i)) = -1; /* node is not being used */
}
/* last free vertex points to no entry */
VERTEX_from(&GRAPH_v_i(g,max-1)) = INVALID_VINDEX;
GRAPH_vfree(g) = GRAPH_vmax(g); /* free vertices = total added vertices */
GRAPH_vmax(g) = max; /* max vertices = new maximum */
}
/*---------------------------------------------------------------*/
void* get_edge(GRAPH *g, VINDEX from, VINDEX to)
{
EINDEX e;
GR_ASSERT(is_vertex(g, from), "get_edge is_vertex from\n");
GR_ASSERT(is_vertex(g, to), "get_edge is_vertex to\n");
e = VERTEX_from(&GRAPH_v_i(g, from));
while ( e != INVALID_EINDEX ) {
if(EDGE_to(&GRAPH_e_i(g,e)) == to)
break;
e = (EDGE_nfrom(&GRAPH_e_i(g,e)));
}
return EDGE_user(&GRAPH_e_i(g,e));
}
/*---------------------------------------------------------------*/
int
edge_count(GRAPH* g, VINDEX from, VINDEX to)
{
int count= 0;
EINDEX e;
GR_ASSERT(is_vertex(g, from), "edge_count is_vertex from\n");
GR_ASSERT(is_vertex(g, to), "edge_count is_vertex to\n");
e = VERTEX_from(&GRAPH_v_i(g, from));
while ( e != INVALID_EINDEX ) {
if(EDGE_to(&GRAPH_e_i(g,e)) == to)
++count;
e = (EDGE_nfrom(&GRAPH_e_i(g,e)));
}
return count;
}
DFN *
Depth_First_Ordering ( GRAPH *g, MEM_POOL* m )
{
VINDEX vertex_count = GRAPH_vcnt(g);
EINDEX edge_count = GRAPH_ecnt(g);
int vertex_max = GRAPH_vmax(g);
DFN *d;
BOOL *visit;
/* Validate and trace: */
GR_ASSERT ( GRAPH_root(g) != INVALID_VINDEX, "Invalid root g for graph\n");
printf ("Depth_First_Ordering: vertex count = %d \n", vertex_count );
/* Allocate the DFN struct: */
d = (DFN*) MEM_POOL_Alloc ( m, sizeof(DFN) );
GR_ASSERT(d != NULL, "Depth_First_Ordering: d" );
DFN_v_list(d) = (VINDEX *)
MEM_POOL_Alloc ( m, sizeof(VINDEX) * vertex_count );
GR_ASSERT(DFN_v_list(d) != NULL, "Depth_First_Ordering: list" );
DFN_user(d) = (void *)
MEM_POOL_Alloc ( m, sizeof(void *) * vertex_count );
GR_ASSERT(DFN_user(d) != NULL, "Depth_First_Ordering: user" );
/* Allocate work array to keep track of visited vertices: */
visit = (BOOL *) MEM_POOL_Alloc ( m, sizeof(BOOL)*vertex_max );
GR_ASSERT ( visit != NULL, "Depth_First_Ordering: visit" );
memset ( visit, 0, sizeof(BOOL)*vertex_max );
/* Initialize the DFN struct -- set end and first to point beyond
* the first element:
*/
DFN_first(d) = DFN_end(d) = vertex_count;
/* Go do the depth-first walk from the root: */
Search ( g, GRAPH_root(g), d, visit, INVALID_EINDEX );
/* Free work array: */
MEM_POOL_FREE(m, visit);
return(d);
}
/*-----------------------------------------------------------------------*/
VINDEX next_vertex(GRAPH *g, VINDEX vertex)
{
GR_ASSERT(is_vertex(g, vertex), "next_vertex is_vertex(g,vertex)\n");
while (1) {
if (is_vertex(g, ++vertex))
return vertex;
else if (vertex >= GRAPH_vmax(g))
return INVALID_VINDEX;
}
}
/*------------------------------------------------------------------------*/
GRAPH* build_graph(MEM_POOL* m)
{
GRAPH *g;
g = (GRAPH*) MEM_POOL_Alloc(m, sizeof(GRAPH));
memset(g, 0, sizeof(GRAPH));
GR_ASSERT (g != 0, "build_graph g == 0\n");
GRAPH_vcnt(g) = 0; /* total vertices */
GRAPH_ecnt(g) = 0; /* total edges */
GRAPH_vfree(g) = -1; /* free vertices */
GRAPH_efree(g) = -1; /* free edges */
GRAPH_root(g) = INVALID_VINDEX; /* no root */
GRAPH_m(g) = m;
return g;
}
void Print_Pred(GRAPH *g, VINDEX v, void (*prn)())
{
V_ITER *vi;
VINDEX vtx;
void * dummy = 0;
int *u, total = 0;
vi = create_vertex_iter(g, v, dummy);
printf(" [");
for (vtx = first_v_preds(vi);
vtx != INVALID_VINDEX;
vtx = next_v_preds(vi)) {
(*prn)(vtx);
u = (int *)get_edge_u(g, V_ITER_c_e(vi));
GR_ASSERT(u, "user field in pred NULL");
printf("/%d ", *u);
total += *u;
}
printf(" - total %d]", total);
}
void
_grDebugGroupWriteHeader(FxU32 header, FxU32 address)
{
#define FN_NAME "_grDebugGroupWriteHeader"
GR_DCL_GC;
FxU32
offset,
/* laddress,
* chipField, */
lheader = header;
int
index,
nBits = 0;
GR_ASSERT(address & GWH_ENABLE_BIT);
GDBG_INFO((128, "New Group Write Packet ======================\n"));
GDBG_INFO((128, "Address: 0x%x\n", address));
GDBG_INFO((128, "Header: 0x%x\n", header));
GDBG_INFO((128, "PCI Address: 0x%x\n", (address & 0xfffff) << 2));
GDBG_INFO((128, "Chip Field: 0x%x\n", (address >> 14) & 0xf));
offset = (address & ~(0xf << 14)) & 0xfffff;
index = offset;
if (offset < 0x100 ) { /* It's state or triangle */
GDBG_INFO((128, "Start: 0x%s (0x%x)\n", regNames[index], index));
GDBG_INFO((128, "Mask: 0x%x\n", header));
while (lheader) {
if (lheader & 0x1) {
nBits++;
GDBG_INFO((128, "Includes:\t%s (0x%x)\n",
regNames[index], index));
}
lheader >>= 1;
index++;
}
} else if (offset >= 0x10000) { /* It's texture */
/*---------------------------------------------------------------*/
int num_succs(GRAPH *g, VINDEX vertex)
{
GR_ASSERT(is_vertex(g,vertex), "num_succs is_vertex\n");
return (VERTEX_fcnt(&GRAPH_v_i(g,vertex)));
}
/*---------------------------------------------------------------*/
void* get_vertex(GRAPH *g, VINDEX vertex)
{
GR_ASSERT(is_vertex(g,vertex), "get_vertex\n");
return (VERTEX_user(&GRAPH_v_i(g,vertex)));
}
/*---------------------------------------------------------------------*/
void delete_edge(GRAPH *g, EINDEX edge)
{
VINDEX from_vertex, to_vertex;
EINDEX next_edge, head_edge;
GR_ASSERT(is_edge(g, edge), "delete_edge is_edge\n");
/* update the information for the from vertex */
/* get the from vertex */
from_vertex = EDGE_from(&GRAPH_e_i(g,edge));
/* decrement from count */
VERTEX_fcnt(&GRAPH_v_i(g,from_vertex))--;
/* get the next edge in linked list */
next_edge = EDGE_nfrom(&GRAPH_e_i(g,edge));
/* get the first edge in linked list */
head_edge = VERTEX_from(&GRAPH_v_i(g,from_vertex));
/* if the head is set to edge */
if (head_edge == edge)
/* set it to next from edge */
VERTEX_from(&GRAPH_v_i(g,from_vertex)) = next_edge;
/* else walk the list of edges */
else
{
/* unlink the edge from listofedges */
while (EDGE_nfrom(&GRAPH_e_i(g,head_edge)) != edge)
head_edge = EDGE_nfrom(&GRAPH_e_i(g,head_edge));
EDGE_nfrom(&GRAPH_e_i(g,head_edge)) = next_edge;
}
/*---- update the information for the to vertex ----*/
/* get the to vertex */
to_vertex = EDGE_to(&GRAPH_e_i(g,edge));
/* decrement to count */
VERTEX_tcnt(&GRAPH_v_i(g,to_vertex))--;
/* get the next edge in linked list */
next_edge = EDGE_nto(&GRAPH_e_i(g,edge));
/* get the first edge in linked list */
head_edge = VERTEX_to(&GRAPH_v_i(g,to_vertex));
/* if head is set to edge */
if (head_edge == edge)
/* set it to next to edge */
VERTEX_to(&GRAPH_v_i(g,to_vertex)) = next_edge;
else
/* else walk the list of edges */
{
/* unlink the edge from the list of to edges */
while (g->e[head_edge].nto != edge)
head_edge = EDGE_nto(&GRAPH_e_i(g,head_edge));
EDGE_nto(&GRAPH_e_i(g,head_edge)) = next_edge;
}
/* add the free edge to the linked list of free edges */
EDGE_nfrom(&GRAPH_e_i(g,edge)) = GRAPH_efree(g);
EDGE_from(&GRAPH_e_i(g,edge)) = INVALID_VINDEX;
GRAPH_efree(g) = edge;
GRAPH_ecnt(g)--; /* decrement edge count */
}
