//----------------------------------------  

// Draw a textured quad on the back-buffer

//----------------------------------------

void CQuad::Render(RECT* rDest)
{
    // Setup vertex format

    m_pDevice->SetVertexShader(NULL);
    m_pDevice->SetFVF(FVF_QUADVERTEX);

    // Set render states

    m_pDevice->SetRenderState(D3DRS_LIGHTING, FALSE);
    m_pDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
    m_pDevice->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
    m_pDevice->SetRenderState(D3DRS_DESTBLEND,   
         D3DBLEND_INVSRCALPHA);
    m_pDevice->SetTextureStageState(0, D3DTSS_ALPHAOP, 
         D3DTOP_MODULATE);

    QUADVERTEX* vertices;

    // Lock the vertex buffer

    vertexBuffer->Lock(0, 0, (void**)&vertices, NULL);

    // Setup vertices

    vertices[0].colour = 0xFFFFFFFF;
    vertices[0].x = (float) rDest->left - 0.5f;
    vertices[0].y = (float) rDest->top - 0.5f;
    vertices[0].z = 0.0f;
    vertices[0].rhw = 1.0f;
    vertices[0].u = 0.0f;
    vertices[0].v = 0.0f;

    vertices[1].colour = 0xFFFFFFFF;
    vertices[1].x = (float) rDest->right - 0.5f;
    vertices[1].y = (float) rDest->top - 0.5f;
    vertices[1].z = 0.0f;
    vertices[1].rhw = 1.0f;
    vertices[1].u = 1.0f;
    vertices[1].v = 0.0f;

    vertices[2].colour = 0xFFFFFFFF;
    vertices[2].x = (float) rDest->right - 0.5f;
    vertices[2].y = (float) rDest->bottom - 0.5f;
    vertices[2].z = 0.0f;
    vertices[2].rhw = 1.0f;
    vertices[2].u = 1.0f;
    vertices[2].v = 1.0f;

    vertices[3].colour = 0xFFFFFFFF;
    vertices[3].x = (float) rDest->left - 0.5f;
    vertices[3].y = (float) rDest->bottom - 0.5f;
    vertices[3].z = 0.0f;
    vertices[3].rhw = 1.0f;
    vertices[3].u = 0.0f;
    vertices[3].v = 1.0f;

    // Unlock the vertex buffer

    vertexBuffer->Unlock();

    // Set texture

    m_pDevice->SetTexture (0, m_pTexture);

    // Draw image

    m_pDevice->DrawPrimitive (D3DPT_TRIANGLEFAN, 0, 2);
}

m_pDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);