Copy Init data for 2D texture scanline by scanline

microsoft · Jan 29, 2016 · f5773a0 · f5773a0
1 parent 4b7dcb9
commit f5773a0
Showing 1 changed file with 21 additions and 1 deletion.
diff --git a/render-only-sample/rosumd/RosUmdDevice.cpp b/render-only-sample/rosumd/RosUmdDevice.cpp
@@ -284,7 +284,27 @@ void RosUmdDevice::CreateResource(const D3D11DDIARG_CREATERESOURCE* pCreateResou
 
         Lock(&lock);
 
-        memcpy(lock.pData, pCreateResource->pInitialDataUP[0].pSysMem, pResource->m_hwSizeBytes);
+        if (pResource->m_resourceDimension == D3D10DDIRESOURCE_BUFFER)
+        {
+            memcpy(lock.pData, pCreateResource->pInitialDataUP[0].pSysMem, pResource->m_mip0Info.PhysicalWidth);
+        }
+        else if (pResource->m_resourceDimension == D3D10DDIRESOURCE_TEXTURE2D)
+        {
+            BYTE *  pSrc = (BYTE *)pCreateResource->pInitialDataUP[0].pSysMem;
+            BYTE *  pDst = (BYTE *)lock.pData;
+
+            for (UINT i = 0; i < pResource->m_mip0Info.TexelHeight; i++)
+            {
+                memcpy(pDst, pSrc, pCreateResource->pInitialDataUP[0].SysMemPitch);
+
+                pSrc += pCreateResource->pInitialDataUP[0].SysMemPitch;
+                pDst += pResource->m_hwPitchBytes;
+            }
+        }
+        else
+        {
+            assert(false);
+        }
 
         D3DDDICB_UNLOCK unlock;
         memset(&unlock, 0, sizeof(unlock));