| 198 | } |
| 199 | |
| 200 | bool Tr2GpuParticleSystem::OnPrepareResources() |
| 201 | { |
| 202 | USE_MAIN_THREAD_RENDER_CONTEXT(); |
| 203 | |
| 204 | if( !m_drawParameters->IsValid() ) |
| 205 | { |
| 206 | m_drawParameters->Create( 4, Tr2RenderContextEnum::PIXEL_FORMAT_R32_UINT, Tr2GpuBuffer::GPU_WRITABLE | Tr2GpuBuffer::DRAW_INDIRECT ); |
| 207 | m_drawParameters->SetName( "GPU Particle Draw Params" ); |
| 208 | m_clearRequested = true; |
| 209 | } |
| 210 | if( !m_sortParameters->IsValid() ) |
| 211 | { |
| 212 | m_sortParameters->Create( 4, Tr2RenderContextEnum::PIXEL_FORMAT_R32_UINT, Tr2GpuBuffer::GPU_WRITABLE | Tr2GpuBuffer::DRAW_INDIRECT ); |
| 213 | m_sortParameters->SetName( "GPU Particle Sort Params" ); |
| 214 | m_clearRequested = true; |
| 215 | } |
| 216 | if( !m_particleData->IsValid() ) |
| 217 | { |
| 218 | m_particleData->Create( m_maxParticles, sizeof( ParticleData ), Tr2GpuStructuredBuffer::GPU_WRITABLE ); |
| 219 | m_particleData->SetName( "GPU Particles" ); |
| 220 | m_clearRequested = true; |
| 221 | } |
| 222 | if( !m_deadList->IsValid() ) |
| 223 | { |
| 224 | m_deadList->Create( m_maxParticles, sizeof( uint32_t ), Tr2GpuStructuredBuffer::GPU_WRITABLE ); |
| 225 | m_deadList->SetName( "GPU Particle Dead List" ); |
| 226 | m_clearRequested = true; |
| 227 | } |
| 228 | if( !m_visibleList->IsValid() ) |
| 229 | { |
| 230 | m_visibleList->Create( m_maxParticles, sizeof( uint32_t ) * 2, Tr2GpuStructuredBuffer::GPU_WRITABLE ); |
| 231 | m_visibleList->SetName( "GPU Particle Visible List" ); |
| 232 | m_clearRequested = true; |
| 233 | } |
| 234 | if( !m_counters->IsValid() ) |
| 235 | { |
| 236 | m_counters->Create( 2, Tr2RenderContextEnum::PIXEL_FORMAT_R32_SINT, Tr2GpuBuffer::GPU_WRITABLE ); |
| 237 | m_counters->SetName( "GPU Particle Counters" ); |
| 238 | m_clearRequested = true; |
| 239 | } |
| 240 | UpdateGpuEmitterParams( renderContext ); |
| 241 | return true; |
| 242 | } |
| 243 | |
| 244 | bool Tr2GpuParticleSystem::OnModified( Be::Var* value ) |
| 245 | { |