move the windows multisample code to OpenGLContext

Change-Id: I531d058ff00b3b6eaf2bf7c889589058b1be7bd0

2 files changed, 0 insertions, 210 deletions

diff --git a/chart2/source/view/main/OpenGLRender.cxx b/chart2/source/view/main/OpenGLRender.cxx
index f97f50619b56..6f86dee459ee 100755
--- a/chart2/source/view/main/OpenGLRender.cxx
+++ b/chart2/source/view/main/OpenGLRender.cxx
@@ -771,207 +771,6 @@ void OpenGLRender::SetLine2DWidth(int width)
     m_fLineWidth = std::max((float)width / OPENGL_SCALE_VALUE, 0.001f);
 }
 
-#if defined( _WIN32 )
-static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
-{
-    switch (message)
-    {
-    case WM_CREATE:
-        return 0;
-    case WM_CLOSE:
-        PostQuitMessage(0);
-        return 0;
-    case WM_DESTROY:
-        return 0;
-    case WM_KEYDOWN:
-        switch(wParam)
-        {
-        case VK_ESCAPE:
-            PostQuitMessage(0);
-            return 0;
-
-        case VK_SPACE:
-            break;
-        }
-    default:
-        return DefWindowProc(hwnd, message, wParam, lParam);
-    }
-}
-
-bool OpenGLRender::InitMultisample(PIXELFORMATDESCRIPTOR pfd)
-{
-    HWND hWnd = NULL;
-    //create a temp windwo to check whether support multi-sample, if support, get the format
-    if (InitTempWindow(&hWnd, m_iWidth, m_iHeight, pfd) < 0)
-    {
-        SAL_WARN("chart2.opengl", "Can't create temp window to test");
-        return false;
-    }
-
-    // See If The String Exists In WGL!
-    if (!WGLisExtensionSupported("WGL_ARB_multisample"))
-    {
-        mbArbMultisampleSupported = false;
-        SAL_WARN("chart2.opengl", "Device doesn't support multi sample");
-        return false;
-    }
-    // Get Our Pixel Format
-    PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
-    if (!wglChoosePixelFormatARB)
-    {
-        mbArbMultisampleSupported = false;
-        return false;
-    }
-    // Get Our Current Device Context
-    HDC hDC = GetDC(hWnd);
-
-    int pixelFormat;
-    int valid;
-    UINT    numFormats;
-    float   fAttributes[] = {0,0};
-    // These Attributes Are The Bits We Want To Test For In Our Sample
-    // Everything Is Pretty Standard, The Only One We Want To
-    // Really Focus On Is The SAMPLE BUFFERS ARB And WGL SAMPLES
-    // These Two Are Going To Do The Main Testing For Whether Or Not
-    // We Support Multisampling On This Hardware.
-    int iAttributes[] =
-    {
-        WGL_DRAW_TO_WINDOW_ARB,GL_TRUE,
-        WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
-        WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB,
-        WGL_COLOR_BITS_ARB,24,
-        WGL_ALPHA_BITS_ARB,8,
-        WGL_DEPTH_BITS_ARB,16,
-        WGL_STENCIL_BITS_ARB,0,
-        WGL_DOUBLE_BUFFER_ARB,GL_TRUE,
-        WGL_SAMPLE_BUFFERS_ARB,GL_TRUE,
-        WGL_SAMPLES_ARB,8,
-        0,0
-    };
-    // First We Check To See If We Can Get A Pixel Format For 4 Samples
-    valid = wglChoosePixelFormatARB(hDC, iAttributes, fAttributes, 1, &pixelFormat, &numFormats);
-    // If We Returned True, And Our Format Count Is Greater Than 1
-    if (valid && numFormats >= 1)
-    {
-        mbArbMultisampleSupported = true;
-        m_iArbMultisampleFormat = pixelFormat;
-        wglMakeCurrent(NULL, NULL);
-        wglDeleteContext(glWin.hRC);
-        ReleaseDC(hWnd, glWin.hDC);
-        DestroyWindow(hWnd);
-        return mbArbMultisampleSupported;
-    }
-    // Our Pixel Format With 4 Samples Failed, Test For 2 Samples
-    iAttributes[19] = 2;
-    valid = wglChoosePixelFormatARB(hDC, iAttributes, fAttributes, 1, &pixelFormat, &numFormats);
-    if (valid && numFormats >= 1)
-    {
-        mbArbMultisampleSupported = true;
-        m_iArbMultisampleFormat = pixelFormat;
-        wglMakeCurrent(NULL, NULL);
-        wglDeleteContext(glWin.hRC);
-        ReleaseDC(hWnd, glWin.hDC);
-        DestroyWindow(hWnd);
-        return mbArbMultisampleSupported;
-    }
-    // Return The Valid Format
-    wglMakeCurrent(NULL, NULL);
-    wglDeleteContext(glWin.hRC);
-    ReleaseDC(hWnd, glWin.hDC);
-    DestroyWindow(hWnd);
-    return  mbArbMultisampleSupported;
-}
-
-bool OpenGLRender::GetMSAASupport()
-{
-    return mbArbMultisampleSupported;
-}
-
-int OpenGLRender::GetMSAAFormat()
-{
-    return m_iArbMultisampleFormat;
-}
-
-//TODO: moggi: why the hell do we need another implementation here?
-int OpenGLRender::InitTempWindow(HWND *hwnd, int width, int height, PIXELFORMATDESCRIPTOR inPfd)
-{
-    PIXELFORMATDESCRIPTOR  pfd = inPfd;
-    int  pfmt;
-    int ret;
-    WNDCLASS wc;
-    wc.style = 0;
-    wc.lpfnWndProc = WndProc;
-    wc.cbClsExtra = wc.cbWndExtra = 0;
-    wc.hInstance = NULL;
-    wc.hIcon = NULL;
-    wc.hCursor = NULL;
-    wc.hbrBackground = NULL;
-    wc.lpszMenuName = NULL;
-    wc.lpszClassName = (LPCSTR)"GLRenderer";
-    RegisterClass(&wc);
-    *hwnd = CreateWindow(wc.lpszClassName, NULL, WS_DISABLED, 0, 0, width, height, NULL, NULL, wc.hInstance, NULL);
-    glWin.hDC = GetDC(*hwnd);
-    pfmt = ChoosePixelFormat(glWin.hDC, &pfd);
-    if (!pfmt)
-    {
-        return -1;
-    }
-    ret = SetPixelFormat(glWin.hDC, pfmt, &pfd);
-    if(!ret)
-    {
-        return -1;
-    }
-    glWin.hRC = wglCreateContext(glWin.hDC);
-    if(!(glWin.hRC))
-    {
-        return -1;
-    }
-    ret = wglMakeCurrent(glWin.hDC, glWin.hRC);
-    if(!ret)
-    {
-        return -1;
-    }
-    return 0;
-}
-
-bool OpenGLRender::WGLisExtensionSupported(const char *extension)
-{
-    const size_t extlen = strlen(extension);
-    const char *supported = NULL;
-
-    // Try To Use wglGetExtensionStringARB On Current DC, If Possible
-    PROC wglGetExtString = wglGetProcAddress("wglGetExtensionsStringARB");
-
-    if (wglGetExtString)
-        supported = ((char*(__stdcall*)(HDC))wglGetExtString)(wglGetCurrentDC());
-    // If That Failed, Try Standard Opengl Extensions String
-    if (supported == NULL)
-        supported = (char*)glGetString(GL_EXTENSIONS);
-    // If That Failed Too, Must Be No Extensions Supported
-    if (supported == NULL)
-        return 0;
-
-    // Begin Examination At Start Of String, Increment By 1 On False Match
-    for (const char* p = supported; ; p++)
-    {
-        // Advance p Up To The Next Possible Match
-        p = strstr(p, extension);
-
-        if (p == NULL)
-            return 0; // No Match
-
-        // Make Sure That Match Is At The Start Of The String Or That
-        // The Previous Char Is A Space, Or Else We Could Accidentally
-        // Match "wglFunkywglExtension" With "wglExtension"
-
-        // Also, Make Sure That The Following Character Is Space Or NULL
-        // Or Else "wglExtensionTwo" Might Match "wglExtension"
-        if ((p==supported || p[-1]==' ') && (p[extlen]=='\0' || p[extlen]==' '))
-            return 1; // Match
-    }
-}
-#endif
-
 void OpenGLRender::SetColor(sal_uInt32 color, sal_uInt8 nAlpha)
 {
     sal_uInt8 r = (color & 0x00FF0000) >> 16;
diff --git a/chart2/source/view/main/OpenGLRender.hxx b/chart2/source/view/main/OpenGLRender.hxx
index 8140bf9adf3b..725e32ef2a15 100755
--- a/chart2/source/view/main/OpenGLRender.hxx
+++ b/chart2/source/view/main/OpenGLRender.hxx
@@ -79,11 +79,6 @@ public:
     void SetLine2DColor(sal_uInt8 r, sal_uInt8 g, sal_uInt8 b, sal_uInt8 nAlpha);
     void SetLine2DWidth(int width);
     BitmapEx GetAsBitmap();
-#if defined( _WIN32 )
-    bool InitMultisample(PIXELFORMATDESCRIPTOR pfd);
-    bool GetMSAASupport();
-    int GetMSAAFormat();
-#endif
     void SetColor(sal_uInt32 color, sal_uInt8 nAlpha);
     int Bubble2DShapePoint(float x, float y, float directionX, float directionY);
     int RenderBubble2FBO(int wholeFlag);
@@ -117,10 +112,6 @@ private:
     int CreateTextureObj(int width, int height);
     int CreateRenderObj(int width, int height);
     int CreateFrameBufferObj();
-#if defined( _WIN32 )
-    int InitTempWindow(HWND *hwnd, int width, int height, PIXELFORMATDESCRIPTOR inPfd);
-    bool WGLisExtensionSupported(const char *extension);
-#endif
     int CreateMultiSampleFrameBufObj();
     int Create2DCircle(int detail);