private static void InitDevice()
{
m_particleBuffer = MyManagers.Buffers.CreateSrvUav(
"MyGPUParticleRenderer::particleBuffer", MyGPUEmitters.MAX_PARTICLES, PARTICLE_STRIDE);
m_deadListBuffer = MyManagers.Buffers.CreateUav(
"MyGPUParticleRenderer::deadListBuffer", MyGPUEmitters.MAX_PARTICLES, sizeof(uint),
uavType: MyUavType.Append);
m_skippedParticleCountBuffer = MyManagers.Buffers.CreateSrvUav(
"MyGPUParticleRenderer::skippedParticleCountBuffer", 1, sizeof(uint),
uavType: MyUavType.Counter);
// 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_debugCounterBuffers[0] = MyManagers.Buffers.CreateRead("MyGPUParticleRenderer::debugCounterBuffers[0]", 1, sizeof(uint));
m_debugCounterBuffers[1] = MyManagers.Buffers.CreateRead("MyGPUParticleRenderer::debugCounterBuffers[1]", 1, sizeof(uint));
m_activeListConstantBuffer = MyManagers.Buffers.CreateConstantBuffer("MyGPUParticleRenderer::activeListConstantBuffer", 4 * sizeof(uint));
m_emitterConstantBuffer = MyManagers.Buffers.CreateConstantBuffer("MyGPUParticleRenderer::emitterConstantBuffer", EMITTERCONSTANTBUFFER_SIZE, usage: ResourceUsage.Dynamic);
m_emitterStructuredBuffer = MyManagers.Buffers.CreateSrv(
"MyGPUParticleRenderer::emitterStructuredBuffer", MyGPUEmitters.MAX_LIVE_EMITTERS, EMITTERDATA_SIZE,
usage: ResourceUsage.Dynamic);
m_aliveIndexBuffer = MyManagers.Buffers.CreateSrvUav(
"MyGPUParticleRenderer::aliveIndexBuffer", MyGPUEmitters.MAX_PARTICLES, sizeof(float),
uavType: MyUavType.Counter);
m_indirectDrawArgsBuffer = MyManagers.Buffers.CreateIndirectArgsBuffer("MyGPUParticleRenderer::indirectDrawArgsBuffer", 5, sizeof(uint));
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 = MyManagers.Buffers.CreateIndexBuffer(
"MyGPUParticleRenderer::indexBuffer", MyGPUEmitters.MAX_PARTICLES * 6, new IntPtr(ptr),
MyIndexBufferFormat.UInt, ResourceUsage.Immutable);
}
}
//MyRender11.BlendAlphaPremult
}
private static void DoneDevice()
{
MyManagers.Buffers.Dispose(m_ib); m_ib = null;
MyManagers.Buffers.Dispose(m_activeListConstantBuffer); m_activeListConstantBuffer = null;
MyManagers.Buffers.Dispose(m_indirectDrawArgsBuffer); m_indirectDrawArgsBuffer = null;
MyManagers.Buffers.Dispose(m_debugCounterBuffers); m_debugCounterBuffers = new IReadBuffer[m_debugCounterBuffers.Length];
MyManagers.Buffers.Dispose(m_aliveIndexBuffer); m_aliveIndexBuffer = null;
MyManagers.Buffers.Dispose(m_deadListBuffer); m_deadListBuffer = null;
MyManagers.Buffers.Dispose(m_skippedParticleCountBuffer); m_skippedParticleCountBuffer = null;
MyManagers.Buffers.Dispose(m_particleBuffer); m_particleBuffer = null;
MyManagers.Buffers.Dispose(m_emitterConstantBuffer); m_emitterConstantBuffer = null;
MyManagers.Buffers.Dispose(m_emitterStructuredBuffer); m_emitterStructuredBuffer = null;
}
private static void DoneDevice()
{
MyManagers.Buffers.Dispose(m_ib); m_ib = null;
MyManagers.Buffers.Dispose(m_activeListConstantBuffer); m_activeListConstantBuffer = null;
MyManagers.Buffers.Dispose(m_indirectDrawArgsBuffer); m_indirectDrawArgsBuffer = null;
MyManagers.Buffers.Dispose(m_debugCounterBuffers); m_debugCounterBuffers = new IReadBuffer[m_debugCounterBuffers.Length];
MyManagers.Buffers.Dispose(m_aliveIndexBuffer); m_aliveIndexBuffer = null;
MyManagers.Buffers.Dispose(m_deadListBuffer); m_deadListBuffer = null;
MyManagers.Buffers.Dispose(m_skippedParticleCountBuffer); m_skippedParticleCountBuffer = null;
MyManagers.Buffers.Dispose(m_particleBuffer); m_particleBuffer = null;
MyManagers.Buffers.Dispose(m_emitterConstantBuffer); m_emitterConstantBuffer = null;
MyManagers.Buffers.Dispose(m_emitterStructuredBuffer); m_emitterStructuredBuffer = null;
}
private static void InitDevice()
{
m_particleBuffer = MyManagers.Buffers.CreateSrvUav(
"MyGPUParticleRenderer::particleBuffer", MyGPUEmitters.MAX_PARTICLES, PARTICLE_STRIDE);
m_deadListBuffer = MyManagers.Buffers.CreateUav(
"MyGPUParticleRenderer::deadListBuffer", MyGPUEmitters.MAX_PARTICLES, sizeof(uint),
uavType: MyUavType.Append);
m_skippedParticleCountBuffer = MyManagers.Buffers.CreateSrvUav(
"MyGPUParticleRenderer::skippedParticleCountBuffer", 1, sizeof(uint),
uavType: MyUavType.Counter);
// 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_debugCounterBuffers[0] = MyManagers.Buffers.CreateRead("MyGPUParticleRenderer::debugCounterBuffers[0]", 1, sizeof(uint));
m_debugCounterBuffers[1] = MyManagers.Buffers.CreateRead("MyGPUParticleRenderer::debugCounterBuffers[1]", 1, sizeof(uint));
m_activeListConstantBuffer = MyManagers.Buffers.CreateConstantBuffer("MyGPUParticleRenderer::activeListConstantBuffer", 4 * sizeof(uint));
m_emitterConstantBuffer = MyManagers.Buffers.CreateConstantBuffer("MyGPUParticleRenderer::emitterConstantBuffer", EMITTERCONSTANTBUFFER_SIZE, usage: ResourceUsage.Dynamic);
m_emitterStructuredBuffer = MyManagers.Buffers.CreateSrv(
"MyGPUParticleRenderer::emitterStructuredBuffer", MyGPUEmitters.MAX_LIVE_EMITTERS, EMITTERDATA_SIZE,
usage: ResourceUsage.Dynamic);
m_aliveIndexBuffer = MyManagers.Buffers.CreateSrvUav(
"MyGPUParticleRenderer::aliveIndexBuffer", MyGPUEmitters.MAX_PARTICLES, sizeof(float),
uavType: MyUavType.Counter);
m_indirectDrawArgsBuffer = MyManagers.Buffers.CreateIndirectArgsBuffer("MyGPUParticleRenderer::indirectDrawArgsBuffer", 5, sizeof(uint));
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 = MyManagers.Buffers.CreateIndexBuffer(
"MyGPUParticleRenderer::indexBuffer", MyGPUEmitters.MAX_PARTICLES * 6, new IntPtr(ptr),
MyIndexBufferFormat.UInt, ResourceUsage.Immutable);
}
}
//MyRender11.BlendAlphaPremult
}
