public void BuildVB()
{
if (m_VB == null)
{
m_VB = new DataStream(Particle.ParticleVSIn.SizeInBytes() * m_MaxParticles, false, true);
var vb = Engine.Global.Device3d.CreateBuffer(new Device3dD3d11.SCreateBufferCmd()
{
Name = "Particle",
SizeInBytes = (int)Particle.ParticleVSIn.SizeInBytes() * m_MaxParticles,
BufferBindFlags = BindFlags.VertexBuffer
});
m_VBBinding = new VertexBufferBinding(vb, Particle.ParticleVSIn.SizeInBytes(), 0);
}
// fill vb with particle data
Particle.ParticleVSIn[] particle_vsstream = new Particle.ParticleVSIn[m_Alive.Count];
for (int i = 0; i < m_Alive.Count; ++i)
{
particle_vsstream[i].pos = new Vector4(m_Alive[i].pos, 1.0f);
particle_vsstream[i].size = m_Alive[i].size;
}
m_VB = new DataStream(particle_vsstream, false, true);
// update gpu buffer
Engine.Global.Device3d.UpdateBufferData("Particle", m_VB);
}
public void BuildVB()
{
if (m_VB == null)
{
m_VB = new DataStream(Particle.ParticleVSIn.SizeInBytes() * m_MaxParticles, false, true);
var vb = Engine.Global.Device3d.CreateBuffer(new Device3dD3d11.SCreateBufferCmd()
{
Name = "Particle",
SizeInBytes = (int)Particle.ParticleVSIn.SizeInBytes() * m_MaxParticles,
BufferBindFlags = BindFlags.VertexBuffer
});
m_VBBinding = new VertexBufferBinding(vb, Particle.ParticleVSIn.SizeInBytes(), 0);
}
// fill vb with particle data
Particle.ParticleVSIn[] particle_vsstream = new Particle.ParticleVSIn[m_Alive.Count];
for (int i = 0; i < m_Alive.Count; ++i)
{
particle_vsstream[i].pos = new Vector4(m_Alive[i].pos, 1.0f);
particle_vsstream[i].size = m_Alive[i].size;
}
m_VB = new DataStream(particle_vsstream, false, true);
// update gpu buffer
Engine.Global.Device3d.UpdateBufferData("Particle", m_VB);
}