D3DXLoadSurfaceFromSurface sample

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#291 opened on Nov 18, 2022 1 comment 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 5/5
Estimated time: Over a week
Newbie friendliness: 35/100

Issue type: Feature
Clarity: Mostly clear
Activity status: Stale
Tech stack: cpp
Domain: computer-graphics

Research direction

Start by reviewing the three API signatures in the issue and the existing DirectXTex facilities that correspond to their surface, volume, and texture-loading behavior. A complete sample demonstrating the requested legacy behavior, including its heavyweight nature, would define done; no target files or tests are identified in the issue.

Written by the indexing model from the issue text.

Description

documentation

DirectXTex has all the facilities needed to support the old 'load-surface-from-surface' behavior. A sample implementation would help those porting D3DX code as well as demonstrate how heavy-weight that function was:

HRESULT WINAPI
    D3DXLoadSurfaceFromSurface(
        LPDIRECT3DSURFACE9        pDestSurface,
        CONST PALETTEENTRY*       pDestPalette,
        CONST RECT*               pDestRect,
        LPDIRECT3DSURFACE9        pSrcSurface,
        CONST PALETTEENTRY*       pSrcPalette,
        CONST RECT*               pSrcRect,
        DWORD                     Filter,
        D3DCOLOR                  ColorKey);

HRESULT WINAPI
    D3DXLoadVolumeFromVolume(
        LPDIRECT3DVOLUME9         pDestVolume,
        CONST PALETTEENTRY*       pDestPalette,
        CONST D3DBOX*             pDestBox,
        LPDIRECT3DVOLUME9         pSrcVolume,
        CONST PALETTEENTRY*       pSrcPalette,
        CONST D3DBOX*             pSrcBox,
        DWORD                     Filter,
        D3DCOLOR                  ColorKey);

HRESULT WINAPI
    D3DX11LoadTextureFromTexture(
	ID3D11DeviceContext       *pContext,
        ID3D11Resource            *pSrcTexture,
        D3DX11_TEXTURE_LOAD_INFO  *pLoadInfo,
        ID3D11Resource            *pDstTexture);

Dominant language: C++
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