shenleiandClaude Opus 5.5
75ea2703c6
-fno-strict-aliasing on the port targets: 40250 relies on MSVC's lack of type-based alias analysis (DXTCImage reads Color8888 through DWORD*). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
123 lines
2.5 KiB
C
123 lines
2.5 KiB
C
#pragma once
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// Shim for the DirectX 7 <d3d.h> on non-Windows targets: the <ddraw.h> surface description 40250
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// EterImageLib/DXTCImage.cpp copies straight out of a .dds file (the 124 bytes after the "DDS " magic).
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//
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// PORT: lpSurface is a pointer in <ddraw.h>, 4 bytes in the 32-bit client; it is a DWORD here so the
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// structure keeps the on-disk layout on 64-bit targets.
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#include "../win32/windows.h"
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#define DDSD_CAPS 0x00000001l
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#define DDSD_HEIGHT 0x00000002l
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#define DDSD_WIDTH 0x00000004l
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#define DDSD_PITCH 0x00000008l
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#define DDSD_PIXELFORMAT 0x00001000l
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#define DDSD_MIPMAPCOUNT 0x00020000l
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#define DDSD_LINEARSIZE 0x00080000l
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#define DDPF_ALPHAPIXELS 0x00000001l
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#define DDPF_FOURCC 0x00000004l
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#define DDPF_RGB 0x00000040l
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#define DDPF_ALPHAPREMULT 0x00008000l
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typedef struct _DDCOLORKEY
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{
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DWORD dwColorSpaceLowValue;
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DWORD dwColorSpaceHighValue;
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} DDCOLORKEY;
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typedef struct _DDPIXELFORMAT
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{
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DWORD dwSize;
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DWORD dwFlags;
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DWORD dwFourCC;
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union
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{
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DWORD dwRGBBitCount;
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DWORD dwYUVBitCount;
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DWORD dwZBufferBitDepth;
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DWORD dwAlphaBitDepth;
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DWORD dwLuminanceBitCount;
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DWORD dwBumpBitCount;
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DWORD dwPrivateFormatBitCount;
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};
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union
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{
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DWORD dwRBitMask;
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DWORD dwYBitMask;
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DWORD dwStencilBitDepth;
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DWORD dwLuminanceBitMask;
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DWORD dwBumpDuBitMask;
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DWORD dwOperations;
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};
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union
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{
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DWORD dwGBitMask;
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DWORD dwUBitMask;
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DWORD dwZBitMask;
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DWORD dwBumpDvBitMask;
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};
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union
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{
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DWORD dwBBitMask;
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DWORD dwVBitMask;
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DWORD dwStencilBitMask;
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DWORD dwBumpLuminanceBitMask;
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};
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union
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{
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DWORD dwRGBAlphaBitMask;
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DWORD dwYUVAlphaBitMask;
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DWORD dwLuminanceAlphaBitMask;
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DWORD dwRGBZBitMask;
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DWORD dwYUVZBitMask;
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};
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} DDPIXELFORMAT;
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typedef struct _DDSCAPS2
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{
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DWORD dwCaps;
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DWORD dwCaps2;
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DWORD dwCaps3;
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DWORD dwCaps4;
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} DDSCAPS2;
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typedef struct _DDSURFACEDESC2
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{
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DWORD dwSize;
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DWORD dwFlags;
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DWORD dwHeight;
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DWORD dwWidth;
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union
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{
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LONG lPitch;
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DWORD dwLinearSize;
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};
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union
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{
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DWORD dwBackBufferCount;
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DWORD dwDepth;
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};
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union
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{
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DWORD dwMipMapCount;
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DWORD dwRefreshRate;
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DWORD dwSrcVBHandle;
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};
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DWORD dwAlphaBitDepth;
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DWORD dwReserved;
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DWORD lpSurface;
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union
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{
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DDCOLORKEY ddckCKDestOverlay;
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DWORD dwEmptyFaceColor;
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};
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DDCOLORKEY ddckCKDestBlt;
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DDCOLORKEY ddckCKSrcOverlay;
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DDCOLORKEY ddckCKSrcBlt;
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DDPIXELFORMAT ddpfPixelFormat;
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DDSCAPS2 ddsCaps;
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DWORD dwTextureStage;
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} DDSURFACEDESC2, *LPDDSURFACEDESC2;
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static_assert(sizeof(DDPIXELFORMAT) == 32 && sizeof(DDSURFACEDESC2) == 124, "the .dds header layout");
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