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authorassiduous <assiduous@diligentgraphics.com>2020-01-31 04:03:38 +0000
committerassiduous <assiduous@diligentgraphics.com>2020-01-31 04:03:38 +0000
commit74772897cd20f44f3a7df514f5cab4d74b428b6b (patch)
treee83eac290a85a64d0916db99a45153e0a7b06064 /Components/interface/ShadowMapManager.h
parentFixed DiligentFX project IDE folder (diff)
downloadDiligentFX-74772897cd20f44f3a7df514f5cab4d74b428b6b.tar.gz
DiligentFX-74772897cd20f44f3a7df514f5cab4d74b428b6b.zip
Renamed .h -> .hpp where appropriate
Diffstat (limited to 'Components/interface/ShadowMapManager.h')
-rw-r--r--Components/interface/ShadowMapManager.h150
1 files changed, 0 insertions, 150 deletions
diff --git a/Components/interface/ShadowMapManager.h b/Components/interface/ShadowMapManager.h
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-/*
- * Copyright 2019-2020 Diligent Graphics LLC
- * Copyright 2015-2019 Egor Yusov
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * In no event and under no legal theory, whether in tort (including negligence),
- * contract, or otherwise, unless required by applicable law (such as deliberate
- * and grossly negligent acts) or agreed to in writing, shall any Contributor be
- * liable for any damages, including any direct, indirect, special, incidental,
- * or consequential damages of any character arising as a result of this License or
- * out of the use or inability to use the software (including but not limited to damages
- * for loss of goodwill, work stoppage, computer failure or malfunction, or any and
- * all other commercial damages or losses), even if such Contributor has been advised
- * of the possibility of such damages.
- */
-
-#include <vector>
-#include <array>
-
-#include "../../../DiligentCore/Graphics/GraphicsEngine/interface/RenderDevice.h"
-#include "../../../DiligentCore/Graphics/GraphicsEngine/interface/DeviceContext.h"
-#include "../../../DiligentCore/Graphics/GraphicsEngine/interface/Texture.h"
-#include "../../../DiligentCore/Graphics/GraphicsEngine/interface/TextureView.h"
-#include "../../../DiligentCore/Common/interface/RefCntAutoPtr.hpp"
-#include "../../../DiligentCore/Common/interface/BasicMath.hpp"
-
-namespace Diligent
-{
-
-#include "Shaders/Common/public/BasicStructures.fxh"
-
-class ShadowMapManager
-{
-public:
- ShadowMapManager();
-
- // clang-format off
-
- /// Shadow map manager initialization info
- struct InitInfo
- {
- /// Shadow map format. This parameter must not be TEX_FORMAT_UNKNOWN.
- TEXTURE_FORMAT Format = TEX_FORMAT_UNKNOWN;
-
- /// Shadow map resolution, must not be 0.
- Uint32 Resolution = 0;
-
- /// Number of shadow cascades, must not be 0.
- Uint32 NumCascades = 0;
-
- /// Shadow mode (see SHADOW_MODE_* defines in BasicStructures.fxh), must not be 0.
- int ShadowMode = 0;
-
- /// Wether to use 32-bit or 16-bit filterable textures
- bool Is32BitFilterableFmt = false;
-
- /// Optional comparison sampler to be set in the shadow map resource view
- ISampler* pComparisonSampler = nullptr;
-
- /// Optional sampler to be set in the filterable shadow map representation
- ISampler* pFilterableShadowMapSampler = nullptr;
- };
- void Initialize(IRenderDevice* pDevice, const InitInfo& initInfo);
-
- ITextureView* GetSRV() { return m_pShadowMapSRV; }
- ITextureView* GetCascadeDSV(Uint32 Cascade){ return m_pShadowMapDSVs[Cascade]; }
- ITextureView* GetFilterableSRV() { return m_pFilterableShadowMapSRV; }
-
- struct DistributeCascadeInfo
- {
- /// Pointer to camera view matrix, must not be null.
- const float4x4* pCameraView = nullptr;
-
- /// Pointer to camera world matrix.
- const float4x4* pCameraWorld = nullptr;
-
- /// Pointer to camera projection matrix, must not be null.
- const float4x4* pCameraProj = nullptr;
-
- /// Pointer to light direction, must not be null.
- const float3* pLightDir = nullptr;
-
- /// Wether to snap cascades to texels in light view space
- bool SnapCascades = true;
-
- /// Wether to stabilize cascade extents in light view space
- bool StabilizeExtents = true;
-
- /// Wether to use same extents for X and Y axis. Enabled automatically if StabilizeExtents == true
- bool EqualizeExtents = true;
-
- /// Cascade partitioning factor that defines the ratio between fully linear (0.0) and
- /// fully logarithmic (1.0) partitioning.
- float fPartitioningFactor = 0.95f;
-
- /// Callback that allows the application to adjust z range of every cascade.
- /// The callback is also called with cascade value -1 to adjust that entire camera range.
- std::function<void(int, float&, float&)> AdjustCascadeRange;
- };
-
- // clang-format on
-
- struct CascadeTransforms
- {
- float4x4 Proj;
- float4x4 WorldToLightProjSpace;
- };
-
- void DistributeCascades(const DistributeCascadeInfo& Info,
- ShadowMapAttribs& shadowMapAttribs);
-
- void ConvertToFilterable(IDeviceContext* pCtx, const ShadowMapAttribs& ShadowAttribs);
-
- const CascadeTransforms& GetCascadeTranform(Uint32 Cascade) const { return m_CascadeTransforms[Cascade]; }
-
-private:
- void InitializeConversionTechniques(TEXTURE_FORMAT FilterableShadowMapFmt);
- void InitializeResourceBindings();
-
- int m_ShadowMode = 0;
- RefCntAutoPtr<IRenderDevice> m_pDevice;
- RefCntAutoPtr<ITextureView> m_pShadowMapSRV;
- std::vector<RefCntAutoPtr<ITextureView>> m_pShadowMapDSVs;
- RefCntAutoPtr<ITextureView> m_pFilterableShadowMapSRV;
- std::vector<RefCntAutoPtr<ITextureView>> m_pFilterableShadowMapRTVs;
- RefCntAutoPtr<ITextureView> m_pIntermediateSRV;
- RefCntAutoPtr<ITextureView> m_pIntermediateRTV;
- RefCntAutoPtr<IBuffer> m_pConversionAttribsBuffer;
- std::vector<CascadeTransforms> m_CascadeTransforms;
- struct ShadowConversionTechnique
- {
- RefCntAutoPtr<IPipelineState> PSO;
- RefCntAutoPtr<IShaderResourceBinding> SRB;
- };
- std::array<ShadowConversionTechnique, SHADOW_MODE_EVSM4 + 1> m_ConversionTech;
- ShadowConversionTechnique m_BlurVertTech;
-};
-
-} // namespace Diligent