dolphin/Source/Plugins/Plugin_VideoDX9/Src/D3DTexture.cpp

99 lines
2.4 KiB
C++

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