X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=retrace%2Fdxgistate.cpp;fp=retrace%2Fdxgistate.cpp;h=4a69f3fec686bb66d3ac0b3ce2c3f46dd6d2a7a6;hb=c8695f74ce1ee6a93dee4b3f7da5a70a64706c82;hp=0000000000000000000000000000000000000000;hpb=d7c738e13decf8a8a891008c51b437ccbe3434fb;p=apitrace

diff --git a/retrace/dxgistate.cpp b/retrace/dxgistate.cpp
new file mode 100644
index 0000000..4a69f3f
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+++ b/retrace/dxgistate.cpp
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+/**************************************************************************
+ *
+ * Copyright 2013 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ **************************************************************************/
+
+
+#include "dxgistate.hpp"
+
+#ifdef __MINGW32__
+#define nullptr NULL
+#endif
+#include "DirectXTex.h"
+
+
+namespace d3dstate {
+
+
+/**
+ * Convert between DXGI formats.
+ *
+ */
+HRESULT
+ConvertFormat(DXGI_FORMAT SrcFormat,
+              void *SrcData,
+              UINT SrcPitch,
+              DXGI_FORMAT DstFormat,
+              void *DstData,
+              UINT DstPitch,
+              UINT Width, UINT Height)
+{
+    HRESULT hr;
+
+    DirectX::Image SrcImage;
+    DirectX::Image DstImage;
+
+    SrcImage.width = Width;
+    SrcImage.height = Height;
+    SrcImage.format = SrcFormat;
+    SrcImage.rowPitch = SrcPitch;
+    SrcImage.slicePitch = Height * SrcPitch;
+    SrcImage.pixels = (uint8_t*)SrcData;
+
+    DstImage.width = Width;
+    DstImage.height = Height;
+    DstImage.format = DstFormat;
+    DstImage.rowPitch = DstPitch;
+    DstImage.slicePitch = Height * DstPitch;
+    DstImage.pixels = (uint8_t*)DstData;
+
+    DirectX::Rect rect(0, 0, Width, Height);
+
+    if (SrcFormat != DstFormat) {
+        DirectX::ScratchImage ScratchImage;
+        ScratchImage.Initialize2D(DstFormat, Width, Height, 1, 1);
+
+        hr = DirectX::Convert(SrcImage, DstFormat, DirectX::TEX_FILTER_DEFAULT, 0.0f, ScratchImage);
+        if (SUCCEEDED(hr)) {
+            hr = CopyRectangle(*ScratchImage.GetImage(0, 0, 0), rect, DstImage, DirectX::TEX_FILTER_DEFAULT, 0, 0);
+        }
+    } else {
+        hr = CopyRectangle(SrcImage, rect, DstImage, DirectX::TEX_FILTER_DEFAULT, 0, 0);
+    }
+
+    return hr;
+}
+
+
+} /* namespace d3dstate */