private static void DoneDevice()
{
MyHwBuffers.Destroy(ref m_ib);
MyHwBuffers.Destroy(ref m_activeListConstantBuffer);
if (m_indirectDrawArgsBuffer != null)
{
m_indirectDrawArgsBuffer.Release(); m_indirectDrawArgsBuffer = null;
}
#if DEBUG
if (m_debugCounterBuffer != null)
{
m_debugCounterBuffer.Release(); m_debugCounterBuffer = null;
}
#endif
if (m_aliveIndexBuffer != null)
{
m_aliveIndexBuffer.Release(); m_aliveIndexBuffer = null;
}
if (m_deadListBuffer != null)
{
m_deadListBuffer.Release(); m_deadListBuffer = null;
}
if (m_skippedParticleCountBuffer != null)
{
m_skippedParticleCountBuffer.Release(); m_skippedParticleCountBuffer = null;
}
if (m_particleBuffer != null)
{
m_particleBuffer.Release(); m_particleBuffer = null;
}
MyHwBuffers.Destroy(ref m_emitterConstantBuffer);
MyHwBuffers.Destroy(ref m_emitterStructuredBuffer);
}
private static void InitDevice()
{
m_particleBuffer = new MyRWStructuredBuffer(MyGPUEmitters.MAX_PARTICLES, PARTICLE_STRIDE, MyRWStructuredBuffer.UAVType.Default, true, "MyGPUParticleRenderer::particleBuffer");
m_deadListBuffer = new MyRWStructuredBuffer(MyGPUEmitters.MAX_PARTICLES, sizeof(uint), MyRWStructuredBuffer.UAVType.Append, false, "MyGPUParticleRenderer::deadListBuffer");
m_skippedParticleCountBuffer = new MyRWStructuredBuffer(1, sizeof(uint), MyRWStructuredBuffer.UAVType.Counter, true, "MyGPUParticleRenderer::skippedParticleCountBuffer");
#if DEBUG
// Create a staging buffer that is used to read GPU atomic counter into that can then be mapped for reading
// back to the CPU for debugging purposes
m_debugCounterBuffer = new MyReadStructuredBuffer(1, sizeof(uint), "MyGPUParticleRenderer::debugCounterBuffer");
#endif
var description = new SharpDX.Direct3D11.BufferDescription(4 * sizeof(uint),
SharpDX.Direct3D11.ResourceUsage.Default, SharpDX.Direct3D11.BindFlags.ConstantBuffer, SharpDX.Direct3D11.CpuAccessFlags.None,
SharpDX.Direct3D11.ResourceOptionFlags.None, sizeof(uint));
m_activeListConstantBuffer = MyHwBuffers.CreateConstantsBuffer(description, "MyGPUParticleRenderer::activeListConstantBuffer");
m_emitterConstantBuffer = MyHwBuffers.CreateConstantsBuffer(EMITTERCONSTANTBUFFER_SIZE, "MyGPUParticleRenderer::emitterConstantBuffer");
m_emitterStructuredBuffer = MyHwBuffers.CreateStructuredBuffer(MyGPUEmitters.MAX_LIVE_EMITTERS, EMITTERDATA_SIZE, true, null,
"MyGPUParticleRenderer::emitterStructuredBuffer");
m_aliveIndexBuffer = new MyRWStructuredBuffer(MyGPUEmitters.MAX_PARTICLES, sizeof(float), MyRWStructuredBuffer.UAVType.Counter, true,
"MyGPUParticleRenderer::aliveIndexBuffer");
m_indirectDrawArgsBuffer = new MyIndirectArgsBuffer(5, sizeof(uint), "MyGPUParticleRenderer::indirectDrawArgsBuffer");
unsafe
{
uint[] indices = new uint[MyGPUEmitters.MAX_PARTICLES * 6];
for (uint i = 0, index = 0, vertex = 0; i < MyGPUEmitters.MAX_PARTICLES; i++)
{
indices[index + 0] = vertex + 0;
indices[index + 1] = vertex + 1;
indices[index + 2] = vertex + 2;
indices[index + 3] = vertex + 2;
indices[index + 4] = vertex + 1;
indices[index + 5] = vertex + 3;
vertex += 4;
index += 6;
}
fixed (uint* ptr = indices)
{
m_ib = MyHwBuffers.CreateIndexBuffer(MyGPUEmitters.MAX_PARTICLES * 6, SharpDX.DXGI.Format.R32_UInt,
SharpDX.Direct3D11.BindFlags.IndexBuffer, SharpDX.Direct3D11.ResourceUsage.Immutable, new IntPtr(ptr), "MyGPUParticleRenderer::indexBuffer");
}
}
//MyRender11.BlendAlphaPremult
}
