Changeset 99785 in vbox for trunk/src/VBox/Devices

Timestamp:

May 13, 2023 4:52:19 PM (19 months ago)

Author:

vboxsync

Message:

Devices/Graphics: debugging helpers readBuffer update

File:

• trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-dx-dx11.cpp (modified) (3 diffs)

trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-dx-dx11.cpp

@@ -6379 +6379 @@
     void *pvIndexBuffer;
     uint32_t cbIndexBuffer;
-    int rc = dxReadBuffer(pDXDevice, pIB->pBuffer, pIB->indexBufferOffset + startIndexLocation, indexCount * BytesPerIndex, &pvIndexBuffer, &cbIndexBuffer);
+    int rc = dxReadBuffer(pDXDevice, pIB->pBuffer, pIB->indexBufferOffset + startIndexLocation * BytesPerIndex, indexCount * BytesPerIndex, &pvIndexBuffer, &cbIndexBuffer);
     AssertRC(rc);
     if (RT_SUCCESS(rc))
@@ -6969 +6969 @@
     if (RT_SUCCESS(rc))
     {
-        /* Copy from the buffer to the staging buffer. */
+        /* Copy 'Bytes' bytes starting at 'Offset' from the buffer to the start of staging buffer. */
         ID3D11Resource *pDstResource = pDevice->pStagingBuffer;
         UINT DstSubresource = 0;
-        UINT DstX = Offset;
+        UINT DstX = 0;
         UINT DstY = 0;
         UINT DstZ = 0;
@@ -6978 +6978 @@
         UINT SrcSubresource = 0;
         D3D11_BOX SrcBox;
-        SrcBox.left   = 0;
+        SrcBox.left   = Offset;
         SrcBox.top    = 0;
         SrcBox.front  = 0;
-        SrcBox.right  = Bytes;
+        SrcBox.right  = Offset + Bytes;
         SrcBox.bottom = 1;
         SrcBox.back   = 1;