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C-/C++-Quelltext

#include "stdafx.h"
#include "CRenderer.h"

/*
* Constructor of CRenderer
* -----------------------
*
*/
CRenderer::CRenderer(CDirectX* p_directx) : m_directx(p_directx)
{};
/*
* Destructor of CRenderer
* ----------------------
*
*/
CRenderer::~CRenderer()
{};

/*
* Function CRenderer::Render
* --------------------------
*
* Renders the vertexes in the buffer
*
*/
void CRenderer::Render(std::vector<VERTEX>* p_ver)
{
    // Convert to Array
    VERTEX ver[MAX_PRIMITIVE];
    int i = 0;
    for(std::vector<VERTEX>::iterator it = p_ver->begin(); it != p_ver->end(); it++)
    {
        ver[i] = *it;
        i++;
    }
    
    // Create buffer
    D3D11_BUFFER_DESC bd;
    ZeroMemory(&bd, sizeof(bd));
    bd.Usage            = D3D11_USAGE_DYNAMIC;               
    bd.ByteWidth        = sizeof(VERTEX) * sizeof(ver)/sizeof(ver[0]);            
    bd.BindFlags        = D3D11_BIND_VERTEX_BUFFER;      
    bd.CPUAccessFlags   = D3D11_CPU_ACCESS_WRITE;   
    m_directx->dev->CreateBuffer(&bd, NULL, &m_directx->vbuffer);

    // Fillin buffer
    D3D11_MAPPED_SUBRESOURCE ms;
    m_directx->devcon->Map(m_directx->vbuffer, NULL, D3D11_MAP_WRITE_DISCARD, NULL, &ms);
    memcpy(ms.pData, ver, sizeof(ver));  
    m_directx->devcon->Unmap(m_directx->vbuffer, NULL); 

    // Render
    UINT stride = sizeof(VERTEX);
    UINT offset = 0;
    m_directx->devcon->IASetVertexBuffers(0, 1, &m_directx->vbuffer, &stride, &offset); 
    m_directx->devcon->IASetPrimitiveTopology(D3D10_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
    m_directx->devcon->Draw(sizeof(ver)/sizeof(ver[0]), 0);

    // Delete the buffer
    SafeRelease(&m_directx->vbuffer);
};
/*
* Function CRenderer::Clear
* -------------------------
*
* Clears the screen
*
*/
void CRenderer::Clear(D3DXCOLOR p_color)
{
m_directx->devcon->ClearRenderTargetView(m_directx->backbuffer, p_color);
};
/*
* Function CRenderer::Present
* ---------------------------
*
* Presents the backbuffer as the frontbuffer
*
*/
void CRenderer::Present()
{
    m_directx->swapchain->Present(0, 0);
};

//

C-/C++-Quelltext

#include "stdafx.h"
#include "CWindow.h"   
#include "CDirectX.h"
#include "CRenderer.h"

/*
* Function WinMain
* ----------------
*
* This function ist the startpoint of our application
*
*/
int WINAPI WinMain(HINSTANCE p_hInstance, HINSTANCE p_hPrevInstance, LPSTR p_lpCmdLine, int p_nCmdShow)
{
    // Create Window
    CWindow window(p_hInstance);
    window.Create(L"DirectX Test", 800, 600);

    // Create DirectX
    CDirectX directx;
    directx.Init(&window);

    // Render
    CRenderer renderer(&directx);

    std::vector<VERTEX> ver;
    ver.push_back(VERTEX(0.0f, 0.5f, 0.0f, D3DXCOLOR(1.0f, 0.0f, 0.0f, 1.0f)));
    ver.push_back(VERTEX(0.45f, -0.5, 0.0f, D3DXCOLOR(0.0f, 1.0f, 0.0f, 1.0f)));
    ver.push_back(VERTEX(-0.45f, -0.5f, 0.0f, D3DXCOLOR(0.0f, 0.0f, 1.0f, 1.0f)));

    // Enter the main loop
    MSG msg;
    while(window.IsOpen())
    {
        if(window.HasMsg())
        {
            msg = window.GetMsg();
            TranslateMessage(&msg);
            DispatchMessage(&msg);

            if(msg.message == WM_QUIT)
                window.Close();
        }
        renderer.Clear(D3DXCOLOR(0.0f, 1.0f, 0.5f, 1.0f));
        renderer.Render(&ver);
        renderer.Present();
    }

    return EXIT_SUCCESS;
};

//