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d3dx9: Add partial DDS support implementation for D3DXGetImageInfo functions.

This commit is contained in:
Józef Kucia 2012-04-29 21:43:08 +02:00 committed by Alexandre Julliard
parent 542e30b531
commit 4618e388e6
1 changed files with 129 additions and 4 deletions
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133
dlls/d3dx9_36/surface.c
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@ -1,5 +1,6 @@
/*
* Copyright (C) 2009-2010 Tony Wasserka
* Copyright (C) 2012 Józef Kucia
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -28,9 +29,132 @@ WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
/* Wine-specific WIC GUIDs */
DEFINE_GUID(GUID_WineContainerFormatTga, 0x0c44fda1,0xa5c5,0x4298,0x96,0x85,0x47,0x3f,0xc1,0x7c,0xd3,0x22);
/* dds_header.flags */
#define DDS_CAPS 0x1
#define DDS_HEIGHT 0x2
#define DDS_WIDTH 0x2
#define DDS_PITCH 0x8
#define DDS_PIXELFORMAT 0x1000
#define DDS_MIPMAPCOUNT 0x20000
#define DDS_LINEARSIZE 0x80000
#define DDS_DEPTH 0x800000
/* dds_header.caps */
#define DDS_CAPS_COMPLEX 0x8
#define DDS_CAPS_TEXTURE 0x1000
#define DDS_CAPS_MIPMAP 0x400000
/* dds_header.caps2 */
#define DDS_CAPS2_CUBEMAP 0x200
#define DDS_CAPS2_CUBEMAP_POSITIVEX 0x400
#define DDS_CAPS2_CUBEMAP_NEGATIVEX 0x800
#define DDS_CAPS2_CUBEMAP_POSITIVEY 0x1000
#define DDS_CAPS2_CUBEMAP_NEGATIVEY 0x2000
#define DDS_CAPS2_CUBEMAP_POSITIVEZ 0x4000
#define DDS_CAPS2_CUBEMAP_NEGATIVEZ 0x8000
#define DDS_CAPS2_VOLUME 0x200000
/* dds_pixel_format.flags */
#define DDS_PF_ALPHA 0x1
#define DDS_PF_ALPHA_ONLY 0x2
#define DDS_PF_FOURCC 0x4
#define DDS_PF_RGB 0x40
#define DDS_PF_YUV 0x200
#define DDS_PF_LUMINANCE 0x20000
struct dds_pixel_format
{
DWORD size;
DWORD flags;
DWORD fourcc;
DWORD bpp;
DWORD rmask;
DWORD gmask;
DWORD bmask;
DWORD amask;
};
struct dds_header
{
DWORD signature;
DWORD size;
DWORD flags;
DWORD height;
DWORD width;
DWORD pitch_or_linear_size;
DWORD depth;
DWORD miplevels;
DWORD reserved[11];
struct dds_pixel_format pixel_format;
DWORD caps;
DWORD caps2;
DWORD caps3;
DWORD caps4;
DWORD reserved2;
};
static D3DFORMAT dds_pixel_format_to_d3dformat(const struct dds_pixel_format *pixel_format)
{
FIXME("Pixel format conversion not implemented.\n");
return D3DFMT_UNKNOWN;
}
/************************************************************
* get_image_info_from_dds
*
* Fills a D3DXIMAGE_INFO structure with information
* about a DDS file stored in the memory.
*
* PARAMS
* buffer [I] pointer to DDS data
* length [I] size of DDS data
* info [O] pointer to D3DXIMAGE_INFO structure
*
* RETURNS
* Success: D3D_OK
* Failure: D3DXERR_INVALIDDATA
*
*/
static HRESULT get_image_info_from_dds(const void *buffer, DWORD length, D3DXIMAGE_INFO *info)
{
const struct dds_header *header = buffer;
if (length < sizeof(*header) || !info)
return D3DXERR_INVALIDDATA;
if (header->pixel_format.size != sizeof(header->pixel_format))
return D3DXERR_INVALIDDATA;
info->Width = header->width;
info->Height = header->height;
info->Depth = 1;
info->MipLevels = (header->flags & DDS_MIPMAPCOUNT) ? header->miplevels : 1;
info->Format = dds_pixel_format_to_d3dformat(&header->pixel_format);
if (info->Format == D3DFMT_UNKNOWN)
return D3DXERR_INVALIDDATA;
if (header->caps2 & DDS_CAPS2_VOLUME)
{
info->Depth = header->depth;
info->ResourceType = D3DRTYPE_VOLUMETEXTURE;
}
else if (header->caps2 & DDS_CAPS2_CUBEMAP)
{
info->ResourceType = D3DRTYPE_CUBETEXTURE;
}
else
{
info->ResourceType = D3DRTYPE_TEXTURE;
}
info->ImageFileFormat = D3DXIFF_DDS;
return D3D_OK;
}
/************************************************************
* D3DXGetImageInfoFromFileInMemory
*
@ -68,6 +192,9 @@ HRESULT WINAPI D3DXGetImageInfoFromFileInMemory(LPCVOID data, UINT datasize, D3D
if (!info)
return D3D_OK;
if ((datasize >= 4) && !strncmp(data, "DDS ", 4))
return get_image_info_from_dds(data, datasize, info);
initresult = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, &IID_IWICImagingFactory, (void**)&factory);
@ -81,9 +208,7 @@ HRESULT WINAPI D3DXGetImageInfoFromFileInMemory(LPCVOID data, UINT datasize, D3D
}
if (FAILED(hr)) {
if ((datasize >= 4) && !strncmp(data, "DDS ", 4))
FIXME("File type DDS is not supported yet\n");
else if ((datasize >= 2) && (!strncmp(data, "P3", 2) || !strncmp(data, "P6", 2)))
if ((datasize >= 2) && (!strncmp(data, "P3", 2) || !strncmp(data, "P6", 2)))
FIXME("File type PPM is not supported yet\n");
else if ((datasize >= 2) && !strncmp(data, "BM", 2))
FIXME("File type DIB is not supported yet\n");