99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
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#include "D3DBase.h"
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#include "D3DTexture.h"
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namespace D3D
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{
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LPDIRECT3DTEXTURE9 CreateTexture2D(const BYTE* buffer, const int width, const int height,const int pitch, D3DFORMAT fmt)
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{
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DWORD *pBuffer = (DWORD *)buffer;
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LPDIRECT3DTEXTURE9 pTexture;
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// crazy bitmagic
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bool isPow2 = !((width&(width-1)) || (height&(height-1)));
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HRESULT hr;
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// TODO(ector): allow mipmaps for non-pow textures on newer cards?
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if (!isPow2)
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hr = dev->CreateTexture(width, height, 1, 0, fmt, D3DPOOL_MANAGED, &pTexture, NULL);
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else
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hr = dev->CreateTexture(width, height, 0, D3DUSAGE_AUTOGENMIPMAP, fmt, D3DPOOL_MANAGED, &pTexture, NULL);
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if(FAILED(hr))
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return 0;
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int level = 0;
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D3DLOCKED_RECT Lock;
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pTexture->LockRect(level, &Lock, NULL, 0 );
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DWORD* pIn = pBuffer;
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switch(fmt)
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{
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case D3DFMT_A8R8G8B8:
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{
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for (int y = 0; y < height; y++)
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{
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DWORD* pBits = (DWORD*)((BYTE*)Lock.pBits + (y * Lock.Pitch));
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memcpy(pBits,pIn, width * 4);
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pIn += pitch;
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}
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}
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break;
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case D3DFMT_DXT1:
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memcpy(Lock.pBits,buffer,(width/4)*(height/4)*8);
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break;
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}
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pTexture->UnlockRect(level);
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return pTexture;
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}
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void ReplaceTexture2D(LPDIRECT3DTEXTURE9 pTexture, const BYTE* buffer, const int width, const int height,const int pitch, D3DFORMAT fmt)
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{
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DWORD *pBuffer = (DWORD *)buffer;
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int level=0;
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D3DLOCKED_RECT Lock;
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pTexture->LockRect(level, &Lock, NULL, 0 );
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DWORD* pIn = pBuffer;
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switch(fmt)
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{
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case D3DFMT_A8R8G8B8:
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{
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for (int y = 0; y < height; y++)
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{
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DWORD* pBits = (DWORD*)((BYTE*)Lock.pBits + (y * Lock.Pitch));
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memcpy(pBits,pIn, width*4);
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pIn += pitch;
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}
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}
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break;
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case D3DFMT_DXT1:
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memcpy(Lock.pBits,buffer,(width/4)*(height/4)*8);
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break;
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}
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pTexture->UnlockRect(level);
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}
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LPDIRECT3DTEXTURE9 CreateRenderTarget(const int width, const int height)
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{
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LPDIRECT3DTEXTURE9 tex;
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HRESULT hr = dev->CreateTexture(width,height,0,D3DUSAGE_RENDERTARGET | D3DUSAGE_AUTOGENMIPMAP,D3DFMT_A8R8G8B8,D3DPOOL_DEFAULT,&tex,NULL);
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if (FAILED(hr))
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return 0;
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else
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return tex;
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}
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LPDIRECT3DSURFACE9 CreateDepthStencilSurface(const int width, const int height)
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{
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LPDIRECT3DSURFACE9 surf;
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HRESULT hr = dev->CreateDepthStencilSurface(width,height,D3DFMT_D24S8,D3DMULTISAMPLE_NONE,0,0,&surf,0);
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if (FAILED(hr))
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return 0;
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else
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return surf;
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}
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}
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