source/renderer/SilhouetteRenderer.h

   1 /* Copyright (C) 2023 Wildfire Games.
   2  * This file is part of 0 A.D.
   3  *
   4  * 0 A.D. is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * 0 A.D. is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifndef INCLUDED_SILHOUETTERENDERER
  19 #define INCLUDED_SILHOUETTERENDERER
  20
  21 #include "graphics/Overlay.h"
  22 #include "graphics/ShaderTechniquePtr.h"
  23 #include "maths/BoundingBoxAligned.h"
  24 #include "renderer/backend/IDeviceCommandContext.h"
  25 #include "renderer/backend/IShaderProgram.h"
  26
  27 class CCamera;
  28 class CModel;
  29 class CPatch;
  30 class SceneCollector;
  31
  32 class SilhouetteRenderer
  33 {
  34 public:
  35         SilhouetteRenderer();
  36
  37         void AddOccluder(CPatch* patch);
  38         void AddOccluder(CModel* model);
  39         void AddCaster(CModel* model);
  40
  41         void ComputeSubmissions(const CCamera& camera);
  42         void RenderSubmitOverlays(SceneCollector& collector);
  43         void RenderSubmitOccluders(SceneCollector& collector);
  44         void RenderSubmitCasters(SceneCollector& collector);
  45
  46         void RenderDebugBounds(
  47                 Renderer::Backend::IDeviceCommandContext* deviceCommandContext);
  48         void RenderDebugOverlays(
  49                 Renderer::Backend::IDeviceCommandContext* deviceCommandContext);
  50
  51         void EndFrame();
  52
  53 private:
  54         bool m_DebugEnabled;
  55
  56         std::vector<CPatch*> m_SubmittedPatchOccluders;
  57         std::vector<CModel*> m_SubmittedModelOccluders;
  58         std::vector<CModel*> m_SubmittedModelCasters;
  59
  60         std::vector<CPatch*> m_VisiblePatchOccluders;
  61         std::vector<CModel*> m_VisibleModelOccluders;
  62         std::vector<CModel*> m_VisibleModelCasters;
  63
  64         struct DebugBounds
  65         {
  66                 CColor color;
  67                 CBoundingBoxAligned bounds;
  68         };
  69
  70         struct DebugRect
  71         {
  72                 CColor color;
  73                 float x0, y0, x1, y1;
  74         };
  75
  76         std::vector<DebugBounds> m_DebugBounds;
  77         std::vector<DebugRect> m_DebugRects;
  78
  79         std::vector<SOverlaySphere> m_DebugSpheres;
  80
  81         CShaderTechniquePtr m_ShaderTech;
  82         Renderer::Backend::IVertexInputLayout* m_VertexInputLayout = nullptr;
  83 };
  84
  85 #endif // INCLUDED_SILHOUETTERENDERER