void InitializeSimulation()
{
if (SystemInfo.supportsComputeShaders)
{
m_cb_params = new ComputeBuffer(1, CSParams.size);
m_cb_particles = new ComputeBuffer(m_particle_count, peParticle.size);
m_cb_positions = new ComputeBuffer(m_particle_count, 12);
m_cb_velocities = new ComputeBuffer(m_particle_count, 12);
m_buf_positions = new Vector3[m_particle_count];
m_buf_velocities = new Vector3[m_particle_count];
m_csparams = new CSParams[1];
}
{
UnityEngine.Random.InitState(0);
var tmp = new peParticle[m_particle_count];
for (int i = 0; i < tmp.Length; ++i)
{
tmp[i].position = new Vector3(
UnityEngine.Random.Range(-5.0f, 5.0f),
UnityEngine.Random.Range(-5.0f, 5.0f) + 5.0f,
UnityEngine.Random.Range(-5.0f, 5.0f));
}
m_cb_particles.SetData(tmp);
}
}
void InitializeSimulation()
{
if (SystemInfo.supportsComputeShaders)
{
m_cb_params = new ComputeBuffer(1, CSParams.size);
m_cb_particles = new ComputeBuffer(m_particle_count, peParticle.size);
m_cb_positions = new ComputeBuffer(m_particle_count, 12);
m_cb_velocities = new ComputeBuffer(m_particle_count, 12);
m_buf_positions = new Vector3[m_particle_count];
m_buf_velocities = new Vector3[m_particle_count];
m_csparams = new CSParams[1];
}
{
UnityEngine.Random.seed = 0;
var tmp = new peParticle[m_particle_count];
for (int i = 0; i < tmp.Length; ++i)
{
tmp[i].position = new Vector3(
UnityEngine.Random.Range(-5.0f, 5.0f),
UnityEngine.Random.Range(-5.0f, 5.0f) + 5.0f,
UnityEngine.Random.Range(-5.0f, 5.0f));
}
m_cb_particles.SetData(tmp);
}
}
int RunGPUBenchmark(string text)
{
if (!SystemInfo.supportsComputeShaders)
{
m_output.text = m_output.text + text + "not available\n";
return(0);
}
ComputeBuffer cb_params = new ComputeBuffer(1, CSParams.size);
ComputeBuffer cb_particles = new ComputeBuffer(BenchmarkParticleCount, peParticle.size);
var particles = new peParticle[BenchmarkParticleCount];
{
UnityEngine.Random.seed = 0;
for (int i = 0; i < particles.Length; ++i)
{
particles[i].position = new Vector3(
UnityEngine.Random.Range(-5.0f, 5.0f),
UnityEngine.Random.Range(-5.0f, 5.0f) + 5.0f,
UnityEngine.Random.Range(-5.0f, 5.0f));
}
cb_particles.SetData(particles);
}
{
CSParams[] csparams = new CSParams[1];
csparams[0].particle_count = BenchmarkParticleCount;
csparams[0].particle_size = m_particle_size;
csparams[0].rcp_particle_size2 = 1.0f / (m_particle_size * 2.0f);
csparams[0].pressure_stiffness = m_pressure_stiffness;
csparams[0].wall_stiffness = m_wall_stiffness;
csparams[0].timestep = BenchmarkDeltaTime;
cb_params.SetData(csparams);
}
for (int i = 0; i < 2; ++i)
{
m_cs_particle_core.SetBuffer(i, "g_params", cb_params);
m_cs_particle_core.SetBuffer(i, "g_particles", cb_particles);
}
float elapsed_total = 0.0f;
int num_try = 0;
while (elapsed_total < BenchmarkTimeout)
{
float t = Time.realtimeSinceStartup;
m_cs_particle_core.Dispatch(0, BenchmarkParticleCount / KernelBlockSize, 1, 1);
m_cs_particle_core.Dispatch(1, BenchmarkParticleCount / KernelBlockSize, 1, 1);
cb_particles.GetData(particles);
elapsed_total += Time.realtimeSinceStartup - t;
++num_try;
}
cb_params.Release();
cb_particles.Release();
m_output.text = m_output.text + text + (elapsed_total / num_try * 1000.0f).ToString("0.00") + "ms\n";
return(0);
}
public void ResetParticles()
{
peResetParticles(m_ctx);
{
UnityEngine.Random.seed = 0;
var tmp = new peParticle[m_particle_count];
for (int i = 0; i < tmp.Length; ++i)
{
tmp[i].position = new Vector3(
UnityEngine.Random.Range(-5.0f, 5.0f),
UnityEngine.Random.Range(-5.0f, 5.0f) + 5.0f,
UnityEngine.Random.Range(-5.0f, 5.0f));
}
m_cb_particles.SetData(tmp);
}
}
int RunGPUBenchmark(string text)
{
if (!SystemInfo.supportsComputeShaders)
{
m_output.text = m_output.text + text + "not available\n";
return 0;
}
ComputeBuffer cb_params = new ComputeBuffer(1, CSParams.size);
ComputeBuffer cb_particles = new ComputeBuffer(BenchmarkParticleCount, peParticle.size);
var particles = new peParticle[BenchmarkParticleCount];
{
UnityEngine.Random.seed = 0;
for (int i = 0; i < particles.Length; ++i)
{
particles[i].position = new Vector3(
UnityEngine.Random.Range(-5.0f, 5.0f),
UnityEngine.Random.Range(-5.0f, 5.0f) + 5.0f,
UnityEngine.Random.Range(-5.0f, 5.0f) );
}
cb_particles.SetData(particles);
}
{
CSParams[] csparams = new CSParams[1];
csparams[0].particle_count = BenchmarkParticleCount;
csparams[0].particle_size = m_particle_size;
csparams[0].rcp_particle_size2 = 1.0f / (m_particle_size * 2.0f);
csparams[0].pressure_stiffness = m_pressure_stiffness;
csparams[0].wall_stiffness = m_wall_stiffness;
csparams[0].timestep = BenchmarkDeltaTime;
cb_params.SetData(csparams);
}
for (int i = 0; i < 2; ++i )
{
m_cs_particle_core.SetBuffer(i, "g_params", cb_params);
m_cs_particle_core.SetBuffer(i, "g_particles", cb_particles);
}
float elapsed_total = 0.0f;
int num_try = 0;
while (elapsed_total < BenchmarkTimeout)
{
float t = Time.realtimeSinceStartup;
m_cs_particle_core.Dispatch(0, BenchmarkParticleCount / KernelBlockSize, 1, 1);
m_cs_particle_core.Dispatch(1, BenchmarkParticleCount / KernelBlockSize, 1, 1);
cb_particles.GetData(particles);
elapsed_total += Time.realtimeSinceStartup - t;
++num_try;
}
cb_params.Release();
cb_particles.Release();
m_output.text = m_output.text + text + (elapsed_total / num_try * 1000.0f).ToString("0.00") + "ms\n";
return 0;
}
public void ResetParticles()
{
peResetParticles(m_ctx);
{
UnityEngine.Random.seed = 0;
var tmp = new peParticle[m_particle_count];
for (int i = 0; i < tmp.Length; ++i)
{
tmp[i].position = new Vector3(
UnityEngine.Random.Range(-5.0f, 5.0f),
UnityEngine.Random.Range(-5.0f, 5.0f) + 5.0f,
UnityEngine.Random.Range(-5.0f, 5.0f));
}
m_cb_particles.SetData(tmp);
}
}