forked from dolphin-emu/dolphin
d2d097fba5
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2222 8ced0084-cf51-0410-be5f-012b33b47a6e
145 lines
3.6 KiB
C++
145 lines
3.6 KiB
C++
// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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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 u8* buffer, const int width, const int height,const int pitch, D3DFORMAT fmt)
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{
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u32* pBuffer = (u32*)buffer;
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LPDIRECT3DTEXTURE9 pTexture;
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// crazy bitmagic, sorry :)
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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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switch(fmt)
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{
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case D3DFMT_L8:
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case D3DFMT_A8:
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{
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const u8 *pIn = buffer;
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for (int y = 0; y < height; y++)
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{
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u8* pBits = ((u8*)Lock.pBits + (y * Lock.Pitch));
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memcpy(pBits, pIn, width);
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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_A8L8:
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{
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const u8 *pIn = buffer;
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// TODO(XK): Find a better way that does not involve either unpacking
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// or downsampling (i.e. A4L4)
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for (int y = 0; y < height; y++)
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{
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u8* pBits = ((u8*)Lock.pBits + (y * Lock.Pitch));
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for(int i = 0; i < width * 2; i += 2) {
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pBits[i] = pIn[i / 2];
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pBits[i + 1] = pIn[i / 2];
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}
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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_A8R8G8B8:
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{
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u32* pIn = pBuffer;
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for (int y = 0; y < height; y++)
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{
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u32* pBits = (u32*)((u8*)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 u8* buffer, const int width, const int height,const int pitch, D3DFORMAT fmt)
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{
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u32* pBuffer = (u32*)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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u32* 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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u32* pBits = (u32*)((u8*)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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} // namespace
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