Texture Mapping [DrawTexBox()]

void DrawTexBox(
__in LPDIRECT3DDEVICE9 pDevice,
__in LPDIRECT3DTEXTURE9 pTexture,
__in int x,
__in int y,
__in int w,
__in int h);


Parameters

pDevice [in]
LPDIRECT3DDEVICE9
Pointer to an IDirect3DDevice9 interface, the device to be associated with the drawing of the object.

pTexture [in]
LPDIRECT3DTEXTURE9 
Pointer to an LPDIRECT3DTEXTURE9 interface, the texture that will be mapped around the primitive.

X [in]
INT
Specifies the x-coordinate of the rectangle''s upper-left corner.

Y [in]
INT
Specifies the y-coordinate of the rectangle''s upper-left corner.

W (Weight) [in]
INT
The width of the Square in logical units.

H (Height) [in]
INT
The height of the Square in logical units.

void DrawTexBox(LPDIRECT3DDEVICE9 pDevice,
		LPDIRECT3DTEXTURE9 pTexture,
		int x,
		int y,
		int w,
		int h)
{
	struct tVertex
	{
		float X, Y, Z, RHW;
		float IU, IV;
		 enum FVF
		{
			FVF_Flags = (D3DFVF_XYZRHW | D3DFVF_TEX1)
		};
	
	};

	tVertex Veri[4] =
	{
		{(float)x		,(float)y		, 0.0f, 1.0f, 0.0f, 0.0f },
		{(float)(x+w)	,(float)y		, 0.0f, 1.0f, 1.0f, 0.0f },
		{(float)x		,(float)(y+h)	, 0.0f, 1.0f, 0.0f, 1.0f },
		{(float)(x+w)	,(float)(y+h)	, 0.0f, 1.0f, 1.0f, 1.0f },
	};
	
	pDevice->SetTexture( 0, pTexture );
	//
	// Credit mmbob for helping fixing the problem
	//
	pDevice->SetTextureStageState( 0, D3DTSS_COLOROP,   D3DTOP_SELECTARG1 );
	pDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
	pDevice->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_TEXTURE );
	pDevice->SetTextureStageState( 0, D3DTSS_ALPHAOP,   D3DTOP_SELECTARG1  );
	pDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_TEXTURE );
	//
	// Credit mmbob for helping fixing the problem
	//
	pDevice->SetTextureStageState( 1, D3DTSS_COLOROP,   D3DTOP_DISABLE );
	pDevice->SetTextureStageState( 1, D3DTSS_ALPHAOP,   D3DTOP_DISABLE );
	////////////////////////////////////

	pDevice->SetRenderState( D3DRS_LIGHTING, FALSE);
	pDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_CCW);
	pDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, TRUE );
	pDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
	pDevice->SetRenderState( D3DRS_ZENABLE, D3DZB_FALSE );
	pDevice->SetRenderState( D3DRS_FOGENABLE, false );

	pDevice->SetFVF( tVertex::FVF_Flags  );
	pDevice->DrawPrimitiveUP(D3DPT_TRIANGLESTRIP,2,Veri,sizeof(tVertex));
}