1 /**************************************************************************
3 * Copyright 2013 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 **************************************************************************/
27 #include "dxgistate.hpp"
32 #include "DirectXTex.h"
39 * Convert between DXGI formats.
43 ConvertFormat(DXGI_FORMAT SrcFormat,
46 DXGI_FORMAT DstFormat,
49 UINT Width, UINT Height)
53 DirectX::Image SrcImage;
54 DirectX::Image DstImage;
56 SrcImage.width = Width;
57 SrcImage.height = Height;
58 SrcImage.format = SrcFormat;
59 SrcImage.rowPitch = SrcPitch;
60 SrcImage.slicePitch = Height * SrcPitch;
61 SrcImage.pixels = (uint8_t*)SrcData;
63 DstImage.width = Width;
64 DstImage.height = Height;
65 DstImage.format = DstFormat;
66 DstImage.rowPitch = DstPitch;
67 DstImage.slicePitch = Height * DstPitch;
68 DstImage.pixels = (uint8_t*)DstData;
70 DirectX::Rect rect(0, 0, Width, Height);
72 if (SrcFormat != DstFormat) {
73 DirectX::ScratchImage ScratchImage;
74 ScratchImage.Initialize2D(DstFormat, Width, Height, 1, 1);
76 hr = DirectX::Convert(SrcImage, DstFormat, DirectX::TEX_FILTER_DEFAULT, 0.0f, ScratchImage);
78 hr = CopyRectangle(*ScratchImage.GetImage(0, 0, 0), rect, DstImage, DirectX::TEX_FILTER_DEFAULT, 0, 0);
81 hr = CopyRectangle(SrcImage, rect, DstImage, DirectX::TEX_FILTER_DEFAULT, 0, 0);
88 } /* namespace d3dstate */