void NativeCurves::setBuffer(RTCBufferType type, void* ptr, size_t offset, size_t stride, size_t size)
{
if (scene->isStatic() && scene->isBuild())
throw_RTCError(RTC_INVALID_OPERATION,"static geometries cannot get modified");
/* verify that all accesses are 4 bytes aligned */
if (((size_t(ptr) + offset) & 0x3) || (stride & 0x3))
throw_RTCError(RTC_INVALID_OPERATION,"data must be 4 bytes aligned");
unsigned bid = type & 0xFFFF;
if (type >= RTC_VERTEX_BUFFER0 && type < RTCBufferType(RTC_VERTEX_BUFFER0 + numTimeSteps))
{
size_t t = type - RTC_VERTEX_BUFFER0;
vertices[t].set(ptr,offset,stride,size);
vertices[t].checkPadding16();
}
else if (type >= RTC_USER_VERTEX_BUFFER0 && type < RTC_USER_VERTEX_BUFFER0+RTC_MAX_USER_VERTEX_BUFFERS)
{
if (bid >= userbuffers.size()) userbuffers.resize(bid+1);
userbuffers[bid] = APIBuffer<char>(scene->device,numVertices(),stride);
userbuffers[bid].set(ptr,offset,stride,size);
userbuffers[bid].checkPadding16();
}
else if (type == RTC_INDEX_BUFFER)
{
if (isEnabled() && size != (size_t)-1) disabling();
curves.set(ptr,offset,stride,size);
setNumPrimitives(size);
if (isEnabled() && size != (size_t)-1) enabling();
}
else
throw_RTCError(RTC_INVALID_ARGUMENT,"unknown buffer type");
}
void BvhTriangleSystem::initOnDevice()
{
std::cout<<"\n triangle system init on device";
setNumPrimitives(numTriangles());
CudaMassSystem::initOnDevice();
CudaLinearBvh::initOnDevice();
}
void QuadMesh::setBuffer(RTCBufferType type, unsigned int slot, RTCFormat format, const Ref<Buffer>& buffer, size_t offset, size_t stride, unsigned int num)
{
/* verify that all accesses are 4 bytes aligned */
if (((size_t(buffer->getPtr()) + offset) & 0x3) || (stride & 0x3))
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "data must be 4 bytes aligned");
if (type == RTC_BUFFER_TYPE_VERTEX)
{
if (format != RTC_FORMAT_FLOAT3)
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid vertex buffer format");
/* if buffer is larger than 16GB the premultiplied index optimization does not work */
if (stride*num > 16ll*1024ll*1024ll*1024ll)
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "vertex buffer can be at most 16GB large");
if (slot >= vertices.size())
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid vertex buffer slot");
vertices[slot].set(buffer, offset, stride, num, format);
vertices[slot].checkPadding16();
vertices0 = vertices[0];
}
else if (type >= RTC_BUFFER_TYPE_VERTEX_ATTRIBUTE)
{
if (format < RTC_FORMAT_FLOAT || format > RTC_FORMAT_FLOAT16)
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid vertex attribute buffer format");
if (slot >= vertexAttribs.size())
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid vertex attribute buffer slot");
vertexAttribs[slot].set(buffer, offset, stride, num, format);
vertexAttribs[slot].checkPadding16();
}
else if (type == RTC_BUFFER_TYPE_INDEX)
{
if (slot != 0)
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "invalid buffer slot");
if (format != RTC_FORMAT_UINT4)
throw_RTCError(RTC_ERROR_INVALID_OPERATION, "invalid index buffer format");
quads.set(buffer, offset, stride, num, format);
setNumPrimitives(num);
}
else
throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "unknown buffer type");
}
void BvhTetrahedronSystem::initOnDevice()
{
std::cout<<"\n tetrahedron system init on device";
m_deviceTetrahedronVicinityInd->create(numTetrahedronVicinityInd() * 4);
m_deviceTetrahedronVicinityStart->create((numTetrahedrons() + 1) * 4);
m_deviceTetrahedronVicinityInd->hostToDevice(hostTetrahedronVicinityInd());
m_deviceTetrahedronVicinityStart->hostToDevice(hostTetrahedronVicinityStart());
m_vicinity->create(numTetrahedrons()*TETRAHEDRONSYSTEM_VICINITY_LENGTH*4);
tetrasys::writeVicinity((int *)vicinity(),
(int *)m_deviceTetrahedronVicinityInd->bufferOnDevice(),
(int *)m_deviceTetrahedronVicinityStart->bufferOnDevice(),
numTetrahedrons());
CudaMassSystem::initOnDevice();
setNumPrimitives(numTetrahedrons());
CudaLinearBvh::initOnDevice();
}
void QuadMesh::setBuffer(RTCBufferType type, void* ptr, size_t offset, size_t stride, size_t size)
{
if (scene->isStatic() && scene->isBuild())
throw_RTCError(RTC_INVALID_OPERATION,"static scenes cannot get modified");
/* verify that all accesses are 4 bytes aligned */
if (((size_t(ptr) + offset) & 0x3) || (stride & 0x3))
throw_RTCError(RTC_INVALID_OPERATION,"data must be 4 bytes aligned");
unsigned bid = type & 0xFFFF;
if (type >= RTC_VERTEX_BUFFER0 && type < RTCBufferType(RTC_VERTEX_BUFFER0 + numTimeSteps))
{
size_t t = type - RTC_VERTEX_BUFFER0;
if (size == -1) size = vertices[t].size();
/* if buffer is larger than 16GB the premultiplied index optimization does not work */
if (stride*size > 16ll*1024ll*1024ll*1024ll)
throw_RTCError(RTC_INVALID_OPERATION,"vertex buffer can be at most 16GB large");
vertices[t].set(ptr,offset,stride,size);
vertices[t].checkPadding16();
vertices0 = vertices[0];
}
else if (type >= RTC_USER_VERTEX_BUFFER0 && type < RTC_USER_VERTEX_BUFFER0+RTC_MAX_USER_VERTEX_BUFFERS)
{
if (bid >= userbuffers.size()) userbuffers.resize(bid+1);
userbuffers[bid] = APIBuffer<char>(scene->device,numVertices(),stride);
userbuffers[bid].set(ptr,offset,stride,size);
userbuffers[bid].checkPadding16();
}
else if (type == RTC_INDEX_BUFFER)
{
if (size != (size_t)-1) disabling();
quads.set(ptr,offset,stride,size);
setNumPrimitives(size);
if (size != (size_t)-1) enabling();
}
else
throw_RTCError(RTC_INVALID_ARGUMENT,"unknown buffer type");
}
