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d3dx10: Factor out image format conversion function.

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Piotr Caban 2022-07-13 14:26:34 +02:00 • committed by Alexandre Julliard
parent 00c8117a72
commit 82bb308f7a
1 changed files with 45 additions and 31 deletions
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76
dlls/d3dx10_43/texture.c
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@ -766,11 +766,53 @@ void init_load_info(const D3DX10_IMAGE_LOAD_INFO *load_info, D3DX10_IMAGE_LOAD_I
out->pSrcInfo = NULL;
}
static HRESULT convert_image(IWICImagingFactory *factory, IWICBitmapFrameDecode *frame,
const GUID *dst_format, unsigned int stride, unsigned int frame_size, BYTE *buffer)
{
IWICFormatConverter *converter;
BOOL can_convert;
GUID src_format;
HRESULT hr;
if (FAILED(hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &src_format)))
return hr;
if (IsEqualGUID(&src_format, dst_format))
{
if (FAILED(hr = IWICBitmapFrameDecode_CopyPixels(frame, NULL, stride, frame_size, buffer)))
return hr;
return S_OK;
}
if (FAILED(hr = IWICImagingFactory_CreateFormatConverter(factory, &converter)))
return hr;
if (FAILED(hr = IWICFormatConverter_CanConvert(converter, &src_format, dst_format, &can_convert)))
{
IWICFormatConverter_Release(converter);
return hr;
}
if (!can_convert)
{
WARN("Format converting %s to %s is not supported by WIC.\n",
debugstr_guid(&src_format), debugstr_guid(dst_format));
IWICFormatConverter_Release(converter);
return E_NOTIMPL;
}
if (FAILED(hr = IWICFormatConverter_Initialize(converter, (IWICBitmapSource *)frame, dst_format,
WICBitmapDitherTypeErrorDiffusion, 0, 0, WICBitmapPaletteTypeCustom)))
{
IWICFormatConverter_Release(converter);
return hr;
}
hr = IWICFormatConverter_CopyPixels(converter, NULL, stride, frame_size, buffer);
IWICFormatConverter_Release(converter);
return hr;
}
HRESULT load_texture_data(const void *data, SIZE_T size, D3DX10_IMAGE_LOAD_INFO *load_info,
D3D10_SUBRESOURCE_DATA **resource_data)
{
unsigned int frame_count, width, height, stride, frame_size;
IWICFormatConverter *converter = NULL;
IWICDdsFrameDecode *dds_frame = NULL;
IWICBitmapFrameDecode *frame = NULL;
IWICImagingFactory *factory = NULL;
@ -779,8 +821,6 @@ HRESULT load_texture_data(const void *data, SIZE_T size, D3DX10_IMAGE_LOAD_INFO
D3DX10_IMAGE_INFO img_info;
IWICStream *stream = NULL;
const GUID *dst_format;
BOOL can_convert;
GUID src_format;
HRESULT hr;
if (load_info->Width != D3DX10_DEFAULT)
@ -835,8 +875,6 @@ HRESULT load_texture_data(const void *data, SIZE_T size, D3DX10_IMAGE_LOAD_INFO
goto end;
if (FAILED(hr = IWICBitmapDecoder_GetFrame(decoder, 0, &frame)))
goto end;
if (FAILED(hr = IWICBitmapFrameDecode_GetPixelFormat(frame, &src_format)))
goto end;
width = img_info.Width;
height = img_info.Height;
@ -870,30 +908,8 @@ HRESULT load_texture_data(const void *data, SIZE_T size, D3DX10_IMAGE_LOAD_INFO
FIXME("Unsupported DXGI format %#x.\n", img_info.Format);
goto end;
}
if (IsEqualGUID(&src_format, dst_format))
{
if (FAILED(hr = IWICBitmapFrameDecode_CopyPixels(frame, NULL, stride, frame_size, buffer)))
goto end;
}
else
{
if (FAILED(hr = IWICImagingFactory_CreateFormatConverter(factory, &converter)))
goto end;
if (FAILED(hr = IWICFormatConverter_CanConvert(converter, &src_format, dst_format, &can_convert)))
goto end;
if (!can_convert)
{
WARN("Format converting %s to %s is not supported by WIC.\n",
debugstr_guid(&src_format), debugstr_guid(dst_format));
goto end;
}
if (FAILED(hr = IWICFormatConverter_Initialize(converter, (IWICBitmapSource *)frame, dst_format,
WICBitmapDitherTypeErrorDiffusion, 0, 0, WICBitmapPaletteTypeCustom)))
goto end;
if (FAILED(hr = IWICFormatConverter_CopyPixels(converter, NULL, stride, frame_size, buffer)))
goto end;
}
if (FAILED(hr = convert_image(factory, frame, dst_format, stride, frame_size, buffer)))
goto end;
}
load_info->Width = width;
@ -913,8 +929,6 @@ HRESULT load_texture_data(const void *data, SIZE_T size, D3DX10_IMAGE_LOAD_INFO
hr = S_OK;
end:
if (converter)
IWICFormatConverter_Release(converter);
if (dds_frame)
IWICDdsFrameDecode_Release(dds_frame);
free(res_data);