| 44 | } |
| 45 | |
| 46 | void ShadowMapManager::Initialize(IRenderDevice* pDevice, IRenderStateCache* pStateCache, const InitInfo& initInfo) |
| 47 | { |
| 48 | VERIFY_EXPR(pDevice != nullptr); |
| 49 | VERIFY(initInfo.Format != TEX_FORMAT_UNKNOWN, "Undefined shadow map format"); |
| 50 | VERIFY(initInfo.NumCascades != 0, "Number of cascades must not be zero"); |
| 51 | VERIFY(initInfo.Resolution != 0, "Shadow map resolution must not be zero"); |
| 52 | VERIFY(initInfo.ShadowMode != 0, "Shadow mode is not specified"); |
| 53 | |
| 54 | m_pDevice = pDevice; |
| 55 | m_pStateCache = pStateCache; |
| 56 | m_ShadowMode = initInfo.ShadowMode; |
| 57 | |
| 58 | TextureDesc ShadowMapDesc; |
| 59 | ShadowMapDesc.Name = "Shadow map SRV"; |
| 60 | ShadowMapDesc.Type = RESOURCE_DIM_TEX_2D_ARRAY; |
| 61 | ShadowMapDesc.Width = initInfo.Resolution; |
| 62 | ShadowMapDesc.Height = initInfo.Resolution; |
| 63 | ShadowMapDesc.MipLevels = 1; |
| 64 | ShadowMapDesc.ArraySize = initInfo.NumCascades; |
| 65 | ShadowMapDesc.Format = initInfo.Format; |
| 66 | ShadowMapDesc.BindFlags = BIND_SHADER_RESOURCE | BIND_DEPTH_STENCIL; |
| 67 | |
| 68 | RefCntAutoPtr<ITexture> ptex2DShadowMap; |
| 69 | pDevice->CreateTexture(ShadowMapDesc, nullptr, &ptex2DShadowMap); |
| 70 | |
| 71 | m_pShadowMapSRV.Release(); |
| 72 | m_pShadowMapSRV = ptex2DShadowMap->GetDefaultView(TEXTURE_VIEW_SHADER_RESOURCE); |
| 73 | if (initInfo.pComparisonSampler != nullptr) |
| 74 | m_pShadowMapSRV->SetSampler(initInfo.pComparisonSampler); |
| 75 | |
| 76 | m_pShadowMapDSVs.clear(); |
| 77 | m_pShadowMapDSVs.resize(ShadowMapDesc.ArraySize); |
| 78 | for (Uint32 iArrSlice = 0; iArrSlice < ShadowMapDesc.ArraySize; iArrSlice++) |
| 79 | { |
| 80 | TextureViewDesc ShadowMapDSVDesc; |
| 81 | ShadowMapDSVDesc.Name = "Shadow map cascade DSV"; |
| 82 | ShadowMapDSVDesc.ViewType = TEXTURE_VIEW_DEPTH_STENCIL; |
| 83 | ShadowMapDSVDesc.FirstArraySlice = iArrSlice; |
| 84 | ShadowMapDSVDesc.NumArraySlices = 1; |
| 85 | ptex2DShadowMap->CreateView(ShadowMapDSVDesc, &m_pShadowMapDSVs[iArrSlice]); |
| 86 | } |
| 87 | |
| 88 | m_pFilterableShadowMapSRV.Release(); |
| 89 | m_pFilterableShadowMapRTVs.clear(); |
| 90 | m_pIntermediateSRV.Release(); |
| 91 | m_pIntermediateRTV.Release(); |
| 92 | if (initInfo.ShadowMode == SHADOW_MODE_VSM || |
| 93 | initInfo.ShadowMode == SHADOW_MODE_EVSM2 || |
| 94 | initInfo.ShadowMode == SHADOW_MODE_EVSM4) |
| 95 | { |
| 96 | ShadowMapDesc.BindFlags = BIND_SHADER_RESOURCE | BIND_RENDER_TARGET; |
| 97 | if (initInfo.ShadowMode == SHADOW_MODE_VSM) |
| 98 | ShadowMapDesc.Format = initInfo.Is32BitFilterableFmt ? TEX_FORMAT_RG32_FLOAT : TEX_FORMAT_RG16_UNORM; |
| 99 | else if (initInfo.ShadowMode == SHADOW_MODE_EVSM2) |
| 100 | ShadowMapDesc.Format = initInfo.Is32BitFilterableFmt ? TEX_FORMAT_RG32_FLOAT : TEX_FORMAT_RG16_FLOAT; |
| 101 | else if (initInfo.ShadowMode == SHADOW_MODE_EVSM4) |
| 102 | ShadowMapDesc.Format = initInfo.Is32BitFilterableFmt ? TEX_FORMAT_RGBA32_FLOAT : TEX_FORMAT_RGBA16_FLOAT; |
| 103 |
nothing calls this directly
no outgoing calls
no test coverage detected