Added Mesh Registration Functions to SHGraphicsSystem and a SHGraphicsSystem compatible version of mesh generation functions for SHPrimitiveGenerator

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp

@@ -356,6 +356,27 @@ namespace SHADE
     resourceManager.Free(materialInstance);
   }
 
+  /*---------------------------------------------------------------------------------*/
+  /* Mesh Registration Functions                                                     */
+  /*---------------------------------------------------------------------------------*/
+  SHADE::Handle<SHADE::SHMesh> SHGraphicsSystem::AddMesh(uint32_t vertexCount, const SHMesh::VertexPosition* const positions, const SHMesh::VertexTexCoord* const texCoords, const SHMesh::VertexTangent* const tangents, const SHMesh::VertexNormal* const normals, uint32_t indexCount, const SHMesh::Index* const indices)
+  {
+	  return meshLibrary.AddMesh(vertexCount, positions, texCoords, tangents, normals, indexCount, indices);
+  }
+
+  void SHGraphicsSystem::RemoveMesh(Handle<SHMesh> mesh)
+  {
+	  meshLibrary.RemoveMesh(mesh);
+  }
+
+  void SHGraphicsSystem::BuildMeshBuffers()
+  {
+	  transferCmdBuffer->BeginRecording();
+	  meshLibrary.BuildBuffers(device, transferCmdBuffer);
+	  transferCmdBuffer->EndRecording();
+	  queue->SubmitCommandBuffer({ transferCmdBuffer });
+  }
+  
   void SHGraphicsSystem::SetWindow(SHWindow* wind) noexcept
   {
     window = wind;

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.h

@@ -25,6 +25,7 @@ of DigiPen Institute of Technology is prohibited.
 #include "ECS_Base/System/SHSystemRoutine.h"
 #include "Graphics/Descriptors/SHVkDescriptorPool.h"
 #include "Graphics/RenderGraph/SHRenderGraph.h"
+#include "SHMeshLibrary.h"
 
 namespace SHADE
 {
@@ -120,6 +121,67 @@ namespace SHADE
     Handle<SHMaterialInstance> AddMaterialInstance(Handle<SHMaterial> material);
     void RemoveMaterialInstance(Handle<SHMaterialInstance> materialInstance);
     
+    /*-----------------------------------------------------------------------------*/
+    /* Mesh Registration Functions                                                 */
+    /*-----------------------------------------------------------------------------*/
+    /*******************************************************************************/
+    /*!
+        
+	 \brief
+	   Adds a mesh to the Mesh Library. But this does not mean that the meshes have
+	   been added yet. A call to "BuildBuffers()" is required to transfer all
+	   meshes into the GPU.
+     
+     \param vertexCount
+       Number of vertices in this Mesh.
+     \param positions
+	   Pointer to the first in a contiguous array of SHMathVec3s that define vertex
+	   positions.
+	 \param texCoords
+	   Pointer to the first in a contiguous array of SHMathVec2s that define vertex
+	   texture coordinates.
+	 \param tangents
+	   Pointer to the first in a contiguous array of SHMathVec3s that define vertex
+	   tangents.
+	 \param normals
+	   Pointer to the first in a contiguous array of SHMathVec3s that define vertex
+	   normals.
+     \param indexCount
+       Number of indices in this mesh.
+     \param indices
+	   Pointer to the first in a contiguous array of uint32_ts that define mesh
+	   indices.
+     
+	 \return
+	   Handle to the created Mesh. This is not valid to be used until a call to
+	   BuildBuffers().
+        
+    */ 
+    /*******************************************************************************/
+    Handle<SHMesh> AddMesh(uint32_t vertexCount, const SHMesh::VertexPosition* const positions, const SHMesh::VertexTexCoord* const texCoords, const const SHMesh::VertexTangent* const tangents, const SHMesh::VertexNormal* const normals, uint32_t indexCount, const SHMesh::Index* const indices);
+    /*******************************************************************************/
+    /*!
+
+     \brief
+	   Removes a mesh from the MeshLibrary. But this does not mean that the meshes
+	   have been removed yet.  A call to "BuildBuffers()" is required to finalise all
+	   changes.
+
+     \param mesh
+       Handle to the mesh to remove.
+
+    */
+    /*******************************************************************************/
+    void RemoveMesh(Handle<SHMesh> mesh);
+    /***************************************************************************/
+    /*!
+
+      \brief
+        Finalises all changes to the MeshLibrary into the GPU buffers.
+
+    */
+    /***************************************************************************/
+    void BuildMeshBuffers();
 
     /*-----------------------------------------------------------------------------*/
     /* Setters                                                                     */
@@ -155,15 +217,12 @@ namespace SHADE
     Handle<SHVkCommandBuffer>                                 transferCmdBuffer;
     SHRenderContext                                           renderContext;
     std::array<Handle<SHVkSemaphore>, 2>                      graphSemaphores; 
-
     // Not Owned Resources
     SHWindow*                                                 window;
-
-
     std::vector<Handle<SHVkDescriptorSetLayout>>              globalDescSetLayouts;
-
     // Middle End Resources
 	ResourceManager                                           resourceManager;
+	SHMeshLibrary                                             meshLibrary;
     // Viewports 
     Handle<SHViewport>                                        defaultViewport;    // Whole screen
     std::vector<Handle<SHViewport>>                           viewports;          // Additional viewports

SHADE_Engine/src/Graphics/MiddleEnd/Meshes/SHPrimitiveGenerator.cpp

@@ -13,6 +13,8 @@ of DigiPen Institute of Technology is prohibited.
 #include "SHpch.h"
 #include "SHPrimitiveGenerator.h"
 
+#include "Graphics/MiddleEnd/Interface/SHGraphicsSystem.h"
+
 namespace SHADE
 {
   SHMeshData SHPrimitiveGenerator::Cube() noexcept
@@ -203,4 +205,18 @@ namespace SHADE
     );
   }
 
+  Handle<SHADE::SHMesh> SHPrimitiveGenerator::Cube(SHGraphicsSystem& gfxSystem) noexcept
+  {
+    SHMeshData meshData = Cube();
+    return gfxSystem.AddMesh
+    (
+      meshData.VertexPositions.size(),
+      meshData.VertexPositions.data(),
+      meshData.VertexTexCoords.data(),
+      meshData.VertexTangents.data(),
+      meshData.VertexNormals.data(),
+      meshData.Indices.size(),
+      meshData.Indices.data()
+    );
+  }
 }

SHADE_Engine/src/Graphics/MiddleEnd/Meshes/SHPrimitiveGenerator.h

@@ -56,5 +56,18 @@ namespace SHADE
     */
     /***********************************************************************************/
 	[[nodiscard]] static Handle<SHMesh> Cube(SHMeshLibrary& meshLibrary) noexcept;
+    /***********************************************************************************/
+    /*!
+      \brief
+        Produces a cube and constructs a SHMesh using the SHGraphicsSystem provided.
+
+      \param gfxSystem
+        Reference to the SHGraphicsSystem to produce and store a cube mesh in.
+
+      \return
+        SHMesh object that points to the generated cube mesh in the SHGraphicsSystem.
+    */
+    /***********************************************************************************/
+	[[nodiscard]] static Handle<SHMesh> Cube(SHGraphicsSystem& gfxSystem) noexcept;
   };
 }