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windowscodecs: Introduce get_dds_format() to replace get_dxgi_format(). 

Signed-off-by: Ziqing Hui <zhui@codeweavers.com>
Signed-off-by: Esme Povirk <esme@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Ziqing Hui 2020-08-25 22:00:47 +08:00 committed by Alexandre Julliard
parent 79e6c5d8a1
commit a017f701f3
1 changed files with 17 additions and 14 deletions
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31
dlls/windowscodecs/ddsformat.c
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@ -166,7 +166,7 @@ static struct dds_format {
const GUID *wic_format;
UINT wic_format_bpp;
DXGI_FORMAT dxgi_format;
} dds_formats[] = {
} dds_format_table[] = {
{ { sizeof(DDS_PIXELFORMAT), DDPF_FOURCC, MAKEFOURCC('D', 'X', 'T', '1'), 0, 0, 0, 0, 0 },
&GUID_WICPixelFormat32bppPBGRA, 32, DXGI_FORMAT_BC1_UNORM },
{ { sizeof(DDS_PIXELFORMAT), DDPF_FOURCC, MAKEFOURCC('D', 'X', 'T', '2'), 0, 0, 0, 0, 0 },
@ -239,7 +239,8 @@ static struct dds_format {
{ { sizeof(DDS_PIXELFORMAT), DDPF_LUMINANCE, 0, 16, 0xFF,0,0,0xFF00 },
&GUID_WICPixelFormatUndefined, 0, DXGI_FORMAT_R8G8_UNORM },
{ { sizeof(DDS_PIXELFORMAT), DDPF_LUMINANCE, 0, 8, 0xFF,0,0,0 },
&GUID_WICPixelFormat8bppGray, 8, DXGI_FORMAT_R8_UNORM }
&GUID_WICPixelFormat8bppGray, 8, DXGI_FORMAT_R8_UNORM },
{ { 0 }, &GUID_WICPixelFormatUndefined, 0, DXGI_FORMAT_UNKNOWN }
};
static DXGI_FORMAT compressed_formats[] = {
@ -289,23 +290,23 @@ static WICDdsDimension get_dimension(DDS_HEADER *header, DDS_HEADER_DXT10 *heade
}
}
static DXGI_FORMAT get_dxgi_format(DDS_PIXELFORMAT *pixel_format)
static struct dds_format *get_dds_format(DDS_PIXELFORMAT *pixel_format)
{
UINT i;
for (i = 0; i < ARRAY_SIZE(dds_formats); i++)
for (i = 0; i < ARRAY_SIZE(dds_format_table); i++)
{
if ((pixel_format->flags & dds_formats[i].pixel_format.flags) &&
(pixel_format->fourCC == dds_formats[i].pixel_format.fourCC) &&
(pixel_format->rgbBitCount == dds_formats[i].pixel_format.rgbBitCount) &&
(pixel_format->rBitMask == dds_formats[i].pixel_format.rBitMask) &&
(pixel_format->gBitMask == dds_formats[i].pixel_format.gBitMask) &&
(pixel_format->bBitMask == dds_formats[i].pixel_format.bBitMask) &&
(pixel_format->aBitMask == dds_formats[i].pixel_format.aBitMask))
return dds_formats[i].dxgi_format;
if ((pixel_format->flags & dds_format_table[i].pixel_format.flags) &&
(pixel_format->fourCC == dds_format_table[i].pixel_format.fourCC) &&
(pixel_format->rgbBitCount == dds_format_table[i].pixel_format.rgbBitCount) &&
(pixel_format->rBitMask == dds_format_table[i].pixel_format.rBitMask) &&
(pixel_format->gBitMask == dds_format_table[i].pixel_format.gBitMask) &&
(pixel_format->bBitMask == dds_format_table[i].pixel_format.bBitMask) &&
(pixel_format->aBitMask == dds_format_table[i].pixel_format.aBitMask))
return dds_format_table + i;
}
return DXGI_FORMAT_UNKNOWN;
return dds_format_table + ARRAY_SIZE(dds_format_table) - 1;
}
static WICDdsAlphaMode get_alpha_mode_from_fourcc(DWORD fourcc)
@ -452,6 +453,7 @@ static void get_dds_info(dds_info* info, DDS_HEADER *header, DDS_HEADER_DXT10 *h
{
int i;
UINT depth;
struct dds_format *format_info;
info->width = header->width;
info->height = header->height;
@ -461,6 +463,7 @@ static void get_dds_info(dds_info* info, DDS_HEADER *header, DDS_HEADER_DXT10 *h
if (header->depth) info->depth = header->depth;
if (header->mipMapCount) info->mip_levels = header->mipMapCount;
format_info = get_dds_format(&header->ddspf);
if (has_extended_header(header)) {
if (header_dxt10->arraySize) info->array_size = header_dxt10->arraySize;
info->format = header_dxt10->dxgiFormat;
@ -468,7 +471,7 @@ static void get_dds_info(dds_info* info, DDS_HEADER *header, DDS_HEADER_DXT10 *h
info->alpha_mode = header_dxt10->miscFlags2 & 0x00000008;
info->data_offset = sizeof(DWORD) + sizeof(*header) + sizeof(*header_dxt10);
} else {
info->format = get_dxgi_format(&header->ddspf);
info->format = format_info->dxgi_format;
info->dimension = get_dimension(header, NULL);
info->alpha_mode = get_alpha_mode_from_fourcc(header->ddspf.fourCC);
info->data_offset = sizeof(DWORD) + sizeof(*header);