void convertHairSet(ISPCHairSet* hair, RTCScene scene_out)
{
unsigned int geomID = rtcNewHairGeometry (scene_out, RTC_GEOMETRY_STATIC, hair->numHairs, hair->numVertices, hair->v2 ? 2 : 1);
rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER,hair->v,0,sizeof(Vertex));
if (hair->v2) rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER1,hair->v2,0,sizeof(Vertex));
rtcSetBuffer(scene_out,geomID,RTC_INDEX_BUFFER,hair->hairs,0,sizeof(ISPCHair));
rtcSetOcclusionFilterFunction(scene_out,geomID,(RTCFilterFunc)&filterDispatch);
}
unsigned int convertHairSet(ISPCHairSet* hair, RTCScene scene_out)
{
unsigned int geomID = rtcNewHairGeometry (scene_out, RTC_GEOMETRY_STATIC, hair->numHairs, hair->numVertices, hair->v2 ? 2 : 1);
rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER,hair->v,0,sizeof(Vertex));
if (hair->v2) rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER1,hair->v2,0,sizeof(Vertex));
rtcSetBuffer(scene_out,geomID,RTC_INDEX_BUFFER,hair->hairs,0,sizeof(ISPCHair));
return geomID;
}
/* adds a hair to the scene */
unsigned int addHair(RTCScene scene_i)
{
unsigned int geomID = rtcNewHairGeometry (scene_i, RTC_GEOMETRY_STATIC, 1, 4, 1);
float4* pos = (float4*) rtcMapBuffer(scene_i,geomID,RTC_VERTEX_BUFFER);
pos[0] = float4(0.0f,0.0f,0.0f,0.1f);
pos[1] = float4(0.0f,1.0f,0.0f,0.1f);
pos[2] = float4(0.0f,2.0f,0.0f,0.1f);
pos[3] = float4(0.0f,3.0f,0.0f,0.1f);
rtcUnmapBuffer(scene_i,geomID,RTC_VERTEX_BUFFER);
int* index = (int*) rtcMapBuffer(scene_i,geomID,RTC_INDEX_BUFFER);
index[0] = 0;
rtcUnmapBuffer(scene_i,geomID,RTC_INDEX_BUFFER);
return geomID;
}
RTCScene convertScene(ISPCScene* scene_in)
{
//scene_in->numHairSets = 0;
//scene_in->numMeshes = 0;
/* create scene */
RTCScene scene_out = rtcNewScene(RTC_SCENE_STATIC | RTC_SCENE_INCOHERENT, RTC_INTERSECT1);
/* add all hair sets to the scene */
for (int i=0; i<scene_in->numHairSets; i++)
{
ISPCHairSet* hair = scene_in->hairs[i];
unsigned int geomID = rtcNewHairGeometry (scene_out, RTC_GEOMETRY_STATIC, hair->numHairs, hair->numVertices, hair->v2 ? 2 : 1);
rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER,hair->v,0,sizeof(Vertex));
if (hair->v2) rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER1,hair->v2,0,sizeof(Vertex));
rtcSetBuffer(scene_out,geomID,RTC_INDEX_BUFFER,hair->hairs,0,sizeof(ISPCHair));
rtcSetOcclusionFilterFunction(scene_out,geomID,(RTCFilterFunc)&filterDispatch);
}
/* add all triangle meshes to the scene */
for (int i=0; i<scene_in->numMeshes; i++)
{
ISPCMesh* mesh = scene_in->meshes[i];
unsigned int geomID = rtcNewTriangleMesh (scene_out, RTC_GEOMETRY_STATIC, mesh->numTriangles, mesh->numVertices, mesh->positions2 ? 2 : 1);
rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER,mesh->positions,0,sizeof(Vertex));
if (mesh->positions2) rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER1,mesh->positions2,0,sizeof(Vertex));
rtcSetBuffer(scene_out,geomID,RTC_INDEX_BUFFER,mesh->triangles,0,sizeof(ISPCTriangle));
rtcSetOcclusionFilterFunction(scene_out,geomID,(RTCFilterFunc)&filterDispatch);
}
/* commit changes to scene */
#if !defined(PARALLEL_COMMIT)
rtcCommit (scene_out);
#else
launch[ getNumHWThreads() ] parallelCommit(scene_out);
#endif
return scene_out;
}
extern "C" unsigned ispcNewBezierCurves (RTCScene scene, RTCGeometryFlags flags, size_t numCurves, size_t numVertices, size_t numTimeSteps) {
return rtcNewHairGeometry(scene,flags,numCurves,numVertices,numTimeSteps);
}
RTCScene convertScene(ISPCScene* scene_in)
{
//scene_in->numHairSets = 0;
//scene_in->numMeshes = 0;
/* create scene */
RTCScene scene_out = rtcNewScene(RTC_SCENE_STATIC | RTC_SCENE_INCOHERENT, RTC_INTERSECT1);
/* add all hair sets to the scene */
for (int i=0; i<scene_in->numHairSets; i++)
{
ISPCHairSet* hair = scene_in->hairs[i];
unsigned int geomID = rtcNewHairGeometry (scene_out, RTC_GEOMETRY_STATIC, hair->numHairs, hair->numVertices, hair->v2 ? 2 : 1);
rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER,hair->v,0,sizeof(Vertex));
if (hair->v2) rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER1,hair->v2,0,sizeof(Vertex));
rtcSetBuffer(scene_out,geomID,RTC_INDEX_BUFFER,hair->hairs,0,sizeof(ISPCHair));
rtcSetOcclusionFilterFunction(scene_out,geomID,(RTCFilterFunc)&filterDispatch);
}
/* add all triangle meshes to the scene */
for (int i=0; i<scene_in->numMeshes; i++)
{
ISPCMesh* mesh = scene_in->meshes[i];
if (mesh->numQuads)
{
g_subdiv_mode = true;
size_t numPrimitives = mesh->numQuads;
size_t numEdges = mesh->numQuads*4;
mesh->edge_level = new float[numEdges];
int *index_buffer = new int[numEdges];
for (size_t i=0; i<numEdges; i++)
mesh->edge_level[i] = FIXED_EDGE_TESSELLATION_VALUE;
/* create a triangle mesh */
unsigned int geomID = rtcNewSubdivisionMesh (scene_out, RTC_GEOMETRY_STATIC, numPrimitives, numEdges, mesh->numVertices, 0, 0, 0);
mesh->geomID = geomID;
unsigned int* faces = (unsigned int*) rtcMapBuffer(scene_out, geomID, RTC_FACE_BUFFER);
for (size_t i=0; i<mesh->numQuads ; i++) faces[i] = 4;
rtcUnmapBuffer(scene_out,geomID,RTC_FACE_BUFFER);
for (size_t i=0; i<mesh->numQuads; i++)
{
index_buffer[4*i+0] = mesh->quads[i].v0;
index_buffer[4*i+1] = mesh->quads[i].v1;
index_buffer[4*i+2] = mesh->quads[i].v2;
index_buffer[4*i+3] = mesh->quads[i].v3;
}
rtcSetBuffer(scene_out, geomID, RTC_VERTEX_BUFFER, mesh->positions , 0, sizeof(Vec3fa ));
rtcSetBuffer(scene_out, geomID, RTC_INDEX_BUFFER, index_buffer , 0, sizeof(unsigned int));
rtcSetBuffer(scene_out, geomID, RTC_LEVEL_BUFFER, mesh->edge_level, 0, sizeof(float));
#if ENABLE_DISPLACEMENTS == 1
rtcSetDisplacementFunction(scene_out,geomID,(RTCDisplacementFunc)&displacementFunction,NULL);
#endif
}
else if (mesh->numTriangles)
{
unsigned int geomID = rtcNewTriangleMesh (scene_out, RTC_GEOMETRY_STATIC, mesh->numTriangles, mesh->numVertices, mesh->positions2 ? 2 : 1);
rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER,mesh->positions,0,sizeof(Vertex));
if (mesh->positions2) rtcSetBuffer(scene_out,geomID,RTC_VERTEX_BUFFER1,mesh->positions2,0,sizeof(Vertex));
rtcSetBuffer(scene_out,geomID,RTC_INDEX_BUFFER,mesh->triangles,0,sizeof(ISPCTriangle));
rtcSetOcclusionFilterFunction(scene_out,geomID,(RTCFilterFunc)&filterDispatch);
}
}
/* commit changes to scene */
rtcCommit (scene_out);
return scene_out;
}