✨🚧 Add an example of texture array writing on DX11 #3

Author: davidAlgis

Plugin/PluginInteropUnityCUDA/src/Texture/texture_D3D11.cpp

@@ -27,32 +27,14 @@ Texture_D3D11::~Texture_D3D11()
 /// </summary>
 void Texture_D3D11::registerTextureInCUDA()
 {
+    // texture2D and texture2D array are ID3D11Texture2D in Unity for DX11
+    ID3D11Texture2D *texUnityDX11 = (ID3D11Texture2D *)_textureHandle;
 
-    // we cast it here, to make it only once.
-    if(_textureDepth < 1)
-    {
-        auto texUnityDX11 = (ID3D11Texture2D *)_textureHandle;
-        CUDA_CHECK(cudaGraphicsD3D11RegisterResource(
-                &_pGraphicsResource, texUnityDX11, cudaGraphicsRegisterFlagsNone));
-        CUDA_CHECK(cudaGetLastError());
-    }
-    else
-    {
-        auto texUnityDX11 = (ID3D11Texture3D *)_textureHandle;
-        CUDA_CHECK(cudaGraphicsD3D11RegisterResource(
-                &_pGraphicsResource, texUnityDX11, cudaGraphicsRegisterFlagsNone));
-        CUDA_CHECK(cudaGetLastError());
-    }
-    // assert(texUnityDX11);
-    // D3D11_TEXTURE2D_DESC texDesc;
-    // texUnityDX11->GetDesc(&texDesc);
-
-    // DXGI_FORMAT format = texDesc.Format;
-    // Log::log().debugLog(std::to_string(format));
-
-    // CUDA_CHECK(cudaGetLastError());
     // register the texture to cuda : it initialize the _pGraphicsResource
-    
+    CUDA_CHECK(cudaGraphicsD3D11RegisterResource(
+        &_pGraphicsResource, texUnityDX11, cudaGraphicsRegisterFlagsNone));
+
+    CUDA_CHECK(cudaGetLastError());
 }
 
 void Texture_D3D11::unRegisterTextureInCUDA()

Plugin/SampleBasic/src/action_sample_texture_array.cpp

@@ -25,7 +25,7 @@ ActionSampleTextureArray::ActionSampleTextureArray(void *texturePtr, int width,
 inline int ActionSampleTextureArray::Start()
 {
     _texture->registerTextureInCUDA();
-    _surf = _texture->mapTextureToSurfaceObject();
+    _surf = _texture->mapTextureToSurfaceObject(1);
     return 0;
 }
 
@@ -36,15 +36,6 @@ int ActionSampleTextureArray::Update()
                              _surf, GetTime(), _texture->getWidth(),
                              _texture->getHeight(), _texture->getDepth());
 
-    //for (int i = 0; i < _texture->getDepth(); i++)
-    //{
-    //    cudaSurfaceObject_t surf = _texture->mapTextureToSurfaceObject(i);
-    //    kernelCallerWriteTexture(_texture->getDimGrid(),
-    //    _texture->getDimBlock(), surf, GetTime()+2*i, _texture->getWidth(),
-    //    _texture->getHeight()); 
-    //    _texture->unMapTextureToSurfaceObject(surf);
-    //}
-
     cudaDeviceSynchronize();
     return 0;
 }

Plugin/SampleBasic/src/main.cu

@@ -61,7 +61,8 @@ void kernelCallerWriteTextureArray(const dim3 dimGrid, const dim3 dimBlock,
                               const float time, const int width,
                               const int height, const int depth)
 {
-    writeTexArray<<<dimGrid, dimBlock>>>(inputSurfaceObj, width, height,depth, time);
+    // writeTexArray<<<dimGrid, dimBlock>>>(inputSurfaceObj, width, height,depth, time);
+    writeTex<<<dimGrid, dimBlock>>>(inputSurfaceObj, width, height, time);
 }