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added some vertex buffer stuff, not completed.

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This commit is contained in:
JackHsu
2019-08-08 14:08:42 +08:00
parent baac7c8d12
commit e5540f6278
1 changed files with 14 additions and 15 deletions
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27
acc/mhd_solver/stencil_process.sps
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@@ -95,7 +95,7 @@ truelove_density(in Scalar lnrho){
return accretion_rho;
}
Scalar
accretion_profile(int3 globalVertexIdx, in Scalar lnrho){
// QUESTION: do I need to define grid_pos, sink_pos and distance again
// if the sink_gravity kernel will also be called once LSINK swtich is on? Seems redundant.
@@ -109,25 +109,24 @@ accretion_profile(int3 globalVertexIdx, in Scalar lnrho){
const Scalar accretion_distance = length(grid_pos - sink_pos);
if ((accretion_distance) <= profile_range){
// calculate accretion according to chosen criterion for the grid cell.
accretion = truelove_density(lnrho);
accretion_density = truelove_density(lnrho);
} else {
accretion = Scalar(0.0);
accretion_density = Scalar(0.0);
}
return accretion;// the returned value is effectively mass, doesn't seem right since MIIKKA said mass will be summed up in vertex buffer. But I'll keep it as it untill we discuss this.
return accretion_density;
}
update_accretion_buffer(){
// 1. reduce accretion density from the density field.
// Note for update_accretion_buffer: 1. reduce accretion density from the density field.
// 2. Add the accretion mass, which is calculated from accretion density times volume of each cell and sum them into accretion buffer.
Scalar
update_accretion_buffer(in Scalar lnrho, out Scalar out_accretion){
lnrho = log(exp(lnrho) - accretion_profile(lnrho));
// This subtracts the accretion_density from the density field.
out_accretion = Scalar (0.0); //Initilize the buffer?
out_accretion = out_accretion + (accretion_profile(lnrho) * dsx * dsy * dsz);
// Not sure if this is correct, but it's suppose to add the accretion "mass" into vertex buffer and sum them all up.
return
}
#endif
//TODO: basic structure of this part is as follows