source: GTP/trunk/App/Demos/Illum/explosion_DX/DXTexture.cpp @ 1484

#include "dxstdafx.h"
#include ".\dxtexture.h"
#include <d3dx9.h>
#include <dxerr9.h>


CDXTexture::CDXTexture()
{
        SetStage(0);
        m_Stencil = NULL;
        m_Tex = NULL;
        m_pBackBuffer = NULL;
        m_OrigDepthStencil = NULL;
        m_RTindex = 0;
}

CDXTexture::~CDXTexture(void)
{
        SAFE_RELEASE(m_Tex);
        SAFE_RELEASE(m_Stencil);
        SAFE_RELEASE(m_pBackBuffer);
        SAFE_RELEASE(m_OrigDepthStencil);
}

bool CDXTexture::InitTex(LPDIRECT3DDEVICE9 dev, char* filename, char* tex_name, D3DFORMAT format)
{
        CopyToName(tex_name);
        
        m_Dev = dev;
        
        D3DXIMAGE_INFO info;
        
        D3DXCreateTextureFromFileEx(
                dev,               // device
                (LPCWSTR)filename,      // filename
                D3DX_DEFAULT,  // x size
                D3DX_DEFAULT,  // y size
                D3DX_DEFAULT,  // mipmap
                0,                         // usage
                format,// a tárolási formát a file határozza meg
                D3DPOOL_DEFAULT,// a videomemóriába legyen
                D3DX_DEFAULT,  // filterek
                D3DX_DEFAULT,  // mipmap filter
                0,             // nincs colorkey
                &info,         // file infókat ide adja
                NULL,
                &m_Tex);
        
        return true;
}

bool CDXTexture::InitTex(LPDIRECT3DDEVICE9 dev, char* tex_name, int width, int height, D3DFORMAT format, bool mipmapped)
{
        CopyToName(tex_name);

        m_Dev = dev;
        m_Width = width;
        m_Height = height;
        // create new texture
        HRESULT res = D3DXCreateTexture(m_Dev, width, height, mipmapped ? 0 : 1, D3DUSAGE_RENDERTARGET, format, D3DPOOL_DEFAULT, &m_Tex);
        if (res != D3D_OK)
        {
                return false;
        }
        res = m_Dev->CreateDepthStencilSurface(width, height, D3DFMT_D24S8, D3DMULTISAMPLE_NONE,0,true,&m_Stencil,NULL);
        if (res != D3D_OK){
                return false;
        }
        
        return true;
}



void CDXTexture::CopyToName(char* name)
{
        if (strlen(name) > 512)
                name[500] = '\0';
        
        strcpy(m_Name, name);
}