void mesh_copy(struct mesh *to, const struct mesh *from)
{
int i;
DEBUG(2, "Copying mesh at %p (%d verts, %d faces) to %p\n"
, from, from->nverts, from->nfaces, to);
if (to->nverts || to->nfaces)
mesh_clear(to);
mesh_addverts(to, from->verts, from->nverts);
REALLOC(to->faces, from->nfaces);
for (i=0; i < from->nfaces; i++)
{
int nverts = from->faces[i].nverts;
if (nverts <= 0)
{
luaL_error(L1, "face %d (%p) has %d vertices",
i, &from->faces[i], nverts
);
continue;
}
to->faces[i].nverts = nverts;
to->faces[i].verts = NULL;
to->faces[i].normal = from->faces[i].normal;
to->faces[i].texture = from->faces[i].texture;
REALLOC(to->faces[i].verts, nverts);
MEMCPY(to->faces[i].verts, from->faces[i].verts, nverts);
}
to->nfaces = from->nfaces;
DEBUG(2, "%d verts, %d faces copied\n", to->nverts, to->nfaces);
}
void mesh_destroy(struct mesh *m)
{
DEBUG(2, "Destroying mesh at %p\n", m);
mesh_clear(m);
if (m->gfx_handle >= 0)
gfx->release_mesh(m->gfx_handle);
FREE(m);
}
void model_destroy(struct model *m)
{
int i;
DEBUG(2, "Destroying model %p\n", m);
for (i=0; i < m->ngroups; i++)
mesh_clear(&m->groups[i]);
FREE(m->groups);
FREE(m->offsets);
FREE(m);
}
static void mesh_flush(int do_sort)
{
int i, j;
// Sort
if(do_sort)
qsort(pcorder, pclist_num, sizeof(uint32_t), mesh_flush_sort_compar);
// Draw
for(i = 0; i < pclist_num; i++)
{
int ri = pcorder[i];
#ifdef USE_DMA
// DMA
uint32_t nptr = (i+1 < pclist_num
? (uint32_t )&pclist[pcorder[i+1]].dma_chain
: 0xFFFFFF)
& 0xFFFFFF;
pclist[ri].dma_chain = ((pclist[ri].len)<<24) | nptr;
#else
// FIFO
gpu_send_control_gp0(pclist[ri].cmd_list[0]);
for(j = 1; j < pclist[ri].len; j++)
gpu_send_data(pclist[ri].cmd_list[j]);
#endif
}
#ifdef USE_DMA
// Send DMA
while((GP1 & 0x10000000) == 0) {}
while((GP1 & 0x04000000) == 0) {}
gpu_send_control_gp1(0x04000002);
gpu_send_control_gp1(0x01000000);
DMA_n_CHCR(2) = 0x01000401;
DMA_DPCR = (DMA_DPCR & ~0xF00) | 0x800;
DMA_n_MADR(2) = ((uint32_t)&pclist[pcorder[0]].dma_chain) & 0xFFFFFF;
DMA_n_BCR(2) = 0;
DMA_n_CHCR(2) = 0x01000401;
#endif
// Clear
mesh_clear();
}
