X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8b089c5e8c8a2140258d150ca1ce42afd3b79e1b..2d956b58023a4955313a1c1531bc70a0deb0b831:/src/msw/glcanvas.cpp diff --git a/src/msw/glcanvas.cpp b/src/msw/glcanvas.cpp index dd49c13117..3d3fc51624 100644 --- a/src/msw/glcanvas.cpp +++ b/src/msw/glcanvas.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: glcanvas.cpp +// Name: src/msw/glcanvas.cpp // Purpose: wxGLCanvas, for using OpenGL with wxWindows under MS Windows // Author: Julian Smart // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -28,10 +28,13 @@ #endif #include +#include +#include #include -wxChar wxGLCanvasClassName[] = wxT("wxGLCanvasClass"); +static const wxChar *wxGLCanvasClassName = wxT("wxGLCanvasClass"); +static const wxChar *wxGLCanvasClassNameNoRedraw = wxT("wxGLCanvasClassNR"); LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); @@ -47,7 +50,7 @@ wxGLContext::wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette) m_hDC = win->GetHDC(); m_glContext = wglCreateContext((HDC) m_hDC); - wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); + wxCHECK_RET( m_glContext, wxT("Couldn't create OpenGl context") ); wglMakeCurrent((HDC) m_hDC, m_glContext); } @@ -55,20 +58,20 @@ wxGLContext::wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette) wxGLContext::wxGLContext( bool isRGB, wxGLCanvas *win, const wxPalette& palette, - const wxGLContext *other /* for sharing display lists */ -) + const wxGLContext *other /* for sharing display lists */ + ) { - m_window = win; + m_window = win; - m_hDC = win->GetHDC(); + m_hDC = win->GetHDC(); - m_glContext = wglCreateContext((HDC) m_hDC); - wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); + m_glContext = wglCreateContext((HDC) m_hDC); + wxCHECK_RET( m_glContext, wxT("Couldn't create OpenGl context") ); - if( other != 0 ) - wglShareLists( other->m_glContext, m_glContext ); + if( other != 0 ) + wglShareLists( other->m_glContext, m_glContext ); - wglMakeCurrent((HDC) m_hDC, m_glContext); + wglMakeCurrent((HDC) m_hDC, m_glContext); } wxGLContext::~wxGLContext() @@ -76,7 +79,7 @@ wxGLContext::~wxGLContext() if (m_glContext) { wglMakeCurrent(NULL, NULL); - wglDeleteContext(m_glContext); + wglDeleteContext(m_glContext); } } @@ -96,10 +99,10 @@ void wxGLContext::SetCurrent() wglMakeCurrent((HDC) m_hDC, m_glContext); } -/* - setupPixelFormat(hDC); - setupPalette(hDC); -*/ + /* + setupPixelFormat(hDC); + setupPalette(hDC); + */ } void wxGLContext::SetColour(const char *colour) @@ -122,9 +125,9 @@ void wxGLContext::SetColour(const char *colour) * wxGLCanvas implementation */ -IMPLEMENT_CLASS(wxGLCanvas, wxScrolledWindow) +IMPLEMENT_CLASS(wxGLCanvas, wxWindow) -BEGIN_EVENT_TABLE(wxGLCanvas, wxScrolledWindow) +BEGIN_EVENT_TABLE(wxGLCanvas, wxWindow) EVT_SIZE(wxGLCanvas::OnSize) EVT_PALETTE_CHANGED(wxGLCanvas::OnPaletteChanged) EVT_QUERY_NEW_PALETTE(wxGLCanvas::OnQueryNewPalette) @@ -132,76 +135,75 @@ END_EVENT_TABLE() wxGLCanvas::wxGLCanvas(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name, - int *attribList /* not used yet! */, const wxPalette& palette): - wxScrolledWindow() + int *attribList, const wxPalette& palette) : wxWindow() { - m_glContext = (wxGLContext*) NULL; + m_glContext = (wxGLContext*) NULL; - bool ret = Create(parent, id, pos, size, style, name); + bool ret = Create(parent, id, pos, size, style, name); - if ( ret ) - { - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); - } + if ( ret ) + { + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); + SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); + } - m_hDC = (WXHDC) ::GetDC((HWND) GetHWND()); + m_hDC = (WXHDC) ::GetDC((HWND) GetHWND()); - SetupPixelFormat(); - SetupPalette(palette); + SetupPixelFormat(attribList); + SetupPalette(palette); - m_glContext = new wxGLContext(TRUE, this, palette); + m_glContext = new wxGLContext(TRUE, this, palette); } wxGLCanvas::wxGLCanvas( wxWindow *parent, const wxGLContext *shared, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name, int *attribList, const wxPalette& palette ) - : wxScrolledWindow() + : wxWindow() { - m_glContext = (wxGLContext*) NULL; + m_glContext = (wxGLContext*) NULL; - bool ret = Create(parent, id, pos, size, style, name); + bool ret = Create(parent, id, pos, size, style, name); - if ( ret ) - { - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); - } + if ( ret ) + { + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); + SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); + } - m_hDC = (WXHDC) ::GetDC((HWND) GetHWND()); + m_hDC = (WXHDC) ::GetDC((HWND) GetHWND()); - SetupPixelFormat(); - SetupPalette(palette); + SetupPixelFormat(attribList); + SetupPalette(palette); - m_glContext = new wxGLContext(TRUE, this, palette, shared ); + m_glContext = new wxGLContext(TRUE, this, palette, shared ); } -// Not very usefull for wxMSW, but this is to be wxGTK compliant +// Not very useful for wxMSW, but this is to be wxGTK compliant wxGLCanvas::wxGLCanvas( wxWindow *parent, const wxGLCanvas *shared, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name, int *attribList, const wxPalette& palette ): - wxScrolledWindow() + wxWindow() { - m_glContext = (wxGLContext*) NULL; + m_glContext = (wxGLContext*) NULL; - bool ret = Create(parent, id, pos, size, style, name); + bool ret = Create(parent, id, pos, size, style, name); - if ( ret ) - { - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); - } + if ( ret ) + { + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE)); + SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)); + } - m_hDC = (WXHDC) ::GetDC((HWND) GetHWND()); + m_hDC = (WXHDC) ::GetDC((HWND) GetHWND()); - SetupPixelFormat(); - SetupPalette(palette); + SetupPixelFormat(attribList); + SetupPalette(palette); - wxGLContext *sharedContext=0; - if (shared) sharedContext=shared->GetContext(); - m_glContext = new wxGLContext(TRUE, this, palette, sharedContext ); + wxGLContext *sharedContext=0; + if (shared) sharedContext=shared->GetContext(); + m_glContext = new wxGLContext(TRUE, this, palette, sharedContext ); } wxGLCanvas::~wxGLCanvas() @@ -212,142 +214,225 @@ wxGLCanvas::~wxGLCanvas() ::ReleaseDC((HWND) GetHWND(), (HDC) m_hDC); } -// Replaces wxWindow::Create functionality, since we need to use a different window class -bool wxGLCanvas::Create(wxWindow *parent, wxWindowID id, - const wxPoint& pos, const wxSize& size, long style, const wxString& name) +// Replaces wxWindow::Create functionality, since we need to use a different +// window class +bool wxGLCanvas::Create(wxWindow *parent, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name) { - static bool registeredGLCanvasClass = FALSE; + static bool s_registeredGLCanvasClass = FALSE; - // We have to register a special window class because we need - // the CS_OWNDC style for GLCanvas. + // We have to register a special window class because we need + // the CS_OWNDC style for GLCanvas. -/* - From Angel Popov + /* + From Angel Popov - Here are two snips from a dicussion in the OpenGL Gamedev list that explains - how this problem can be fixed: + Here are two snips from a dicussion in the OpenGL Gamedev list that explains + how this problem can be fixed: - "There are 5 common DCs available in Win95. These are aquired when you call - GetDC or GetDCEx from a window that does _not_ have the OWNDC flag. - OWNDC flagged windows do not get their DC from the common DC pool, the issue - is they require 800 bytes each from the limited 64Kb local heap for GDI." + "There are 5 common DCs available in Win95. These are aquired when you call + GetDC or GetDCEx from a window that does _not_ have the OWNDC flag. + OWNDC flagged windows do not get their DC from the common DC pool, the issue + is they require 800 bytes each from the limited 64Kb local heap for GDI." - "The deal is, if you hold onto one of the 5 shared DC's too long (as GL apps - do), Win95 will actually "steal" it from you. MakeCurrent fails, - apparently, because Windows re-assigns the HDC to a different window. The - only way to prevent this, the only reliable means, is to set CS_OWNDC." -*/ + "The deal is, if you hold onto one of the 5 shared DC's too long (as GL apps + do), Win95 will actually "steal" it from you. MakeCurrent fails, + apparently, because Windows re-assigns the HDC to a different window. The + only way to prevent this, the only reliable means, is to set CS_OWNDC." + */ - if (!registeredGLCanvasClass) + if (!s_registeredGLCanvasClass) + { + WNDCLASS wndclass; + + // the fields which are common to all classes + wndclass.lpfnWndProc = (WNDPROC)wxWndProc; + wndclass.cbClsExtra = 0; + wndclass.cbWndExtra = sizeof( DWORD ); // VZ: what is this DWORD used for? + wndclass.hInstance = wxhInstance; + wndclass.hIcon = (HICON) NULL; + wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW); + wndclass.lpszMenuName = NULL; + + // Register the GLCanvas class name + wndclass.hbrBackground = (HBRUSH)NULL; + wndclass.lpszClassName = wxGLCanvasClassName; + wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | CS_OWNDC; + + if ( !::RegisterClass(&wndclass) ) { - WNDCLASS wndclass; - - static const long styleNormal = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | CS_OWNDC; - - // the fields which are common to all classes - wndclass.lpfnWndProc = (WNDPROC)wxWndProc; - wndclass.cbClsExtra = 0; - wndclass.cbWndExtra = sizeof( DWORD ); // VZ: what is this DWORD used for? - wndclass.hInstance = wxhInstance; - wndclass.hIcon = (HICON) NULL; - wndclass.hCursor = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW); - wndclass.lpszMenuName = NULL; - - // Register the GLCanvas class name - wndclass.hbrBackground = (HBRUSH)NULL; - wndclass.lpszClassName = wxGLCanvasClassName; - wndclass.style = styleNormal; - - if ( !RegisterClass(&wndclass) ) - { - wxLogLastError("RegisterClass(wxGLCanvasClass)"); - - return FALSE; - } - registeredGLCanvasClass = TRUE; + wxLogLastError(wxT("RegisterClass(wxGLCanvasClass)")); + return FALSE; } - wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") ); + // Register the GLCanvas class name for windows which don't do full repaint + // on resize + wndclass.lpszClassName = wxGLCanvasClassNameNoRedraw; + wndclass.style &= ~(CS_HREDRAW | CS_VREDRAW); + + if ( !::RegisterClass(&wndclass) ) + { + wxLogLastError(wxT("RegisterClass(wxGLCanvasClassNameNoRedraw)")); + + ::UnregisterClass(wxGLCanvasClassName, wxhInstance); - if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) ) return FALSE; + } + + s_registeredGLCanvasClass = TRUE; + } - parent->AddChild(this); + wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") ); - DWORD msflags = 0; - if ( style & wxBORDER ) - msflags |= WS_BORDER; - if ( style & wxTHICK_FRAME ) - msflags |= WS_THICKFRAME; + if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) ) + return FALSE; - msflags |= WS_CHILD | WS_VISIBLE; - if ( style & wxCLIP_CHILDREN ) - msflags |= WS_CLIPCHILDREN; + parent->AddChild(this); - bool want3D; - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D); + DWORD msflags = 0; + if ( style & wxBORDER ) + msflags |= WS_BORDER; + if ( style & wxTHICK_FRAME ) + msflags |= WS_THICKFRAME; - // Even with extended styles, need to combine with WS_BORDER - // for them to look right. - if ( want3D || (m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER ) || - (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)) - { - msflags |= WS_BORDER; - } + /* + A general rule with OpenGL and Win32 is that any window that will have a + HGLRC built for it must have two flags: WS_CLIPCHILDREN & WS_CLIPSIBLINGS. + You can find references about this within the knowledge base and most OpenGL + books that contain the wgl function descriptions. + */ + + msflags |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN; + + bool want3D; + WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D); - // calculate the value to return from WM_GETDLGCODE handler - if ( GetWindowStyleFlag() & wxWANTS_CHARS ) + // Even with extended styles, need to combine with WS_BORDER + // for them to look right. + if ( want3D || (m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER ) || + (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)) + { + msflags |= WS_BORDER; + } + + return MSWCreate(wxGLCanvasClassName, NULL, pos, size, msflags, exStyle); +} + +static void AdjustPFDForAttributes(PIXELFORMATDESCRIPTOR& pfd, int *attribList) +{ + if (attribList) { + pfd.dwFlags &= ~PFD_DOUBLEBUFFER; + pfd.iPixelType = PFD_TYPE_COLORINDEX; + pfd.cColorBits = 0; + int arg=0; + + while( (attribList[arg]!=0) ) { - // want everything: i.e. all keys and WM_CHAR message - m_lDlgCode = DLGC_WANTARROWS | DLGC_WANTCHARS | - DLGC_WANTTAB | DLGC_WANTMESSAGE; + switch( attribList[arg++] ) + { + case WX_GL_RGBA: + pfd.iPixelType = PFD_TYPE_RGBA; + break; + case WX_GL_BUFFER_SIZE: + pfd.cColorBits = attribList[arg++]; + break; + case WX_GL_LEVEL: + // this member looks like it may be obsolete + if (attribList[arg] > 0) { + pfd.iLayerType = (BYTE)PFD_OVERLAY_PLANE; + } else if (attribList[arg] < 0) { + pfd.iLayerType = (BYTE)PFD_UNDERLAY_PLANE; + } else { + pfd.iLayerType = (BYTE)PFD_MAIN_PLANE; + } + arg++; + break; + case WX_GL_DOUBLEBUFFER: + pfd.dwFlags |= PFD_DOUBLEBUFFER; + break; + case WX_GL_STEREO: + pfd.dwFlags |= PFD_STEREO; + break; + case WX_GL_AUX_BUFFERS: + pfd.cAuxBuffers = attribList[arg++]; + break; + case WX_GL_MIN_RED: + pfd.cColorBits += (pfd.cRedBits = attribList[arg++]); + break; + case WX_GL_MIN_GREEN: + pfd.cColorBits += (pfd.cGreenBits = attribList[arg++]); + break; + case WX_GL_MIN_BLUE: + pfd.cColorBits += (pfd.cBlueBits = attribList[arg++]); + break; + case WX_GL_MIN_ALPHA: + // doesn't count in cColorBits + pfd.cAlphaBits = attribList[arg++]; + break; + case WX_GL_DEPTH_SIZE: + pfd.cDepthBits = attribList[arg++]; + break; + case WX_GL_STENCIL_SIZE: + pfd.cStencilBits = attribList[arg++]; + break; + case WX_GL_MIN_ACCUM_RED: + pfd.cAccumBits += (pfd.cAccumRedBits = attribList[arg++]); + break; + case WX_GL_MIN_ACCUM_GREEN: + pfd.cAccumBits += (pfd.cAccumGreenBits = attribList[arg++]); + break; + case WX_GL_MIN_ACCUM_BLUE: + pfd.cAccumBits += (pfd.cAccumBlueBits = attribList[arg++]); + break; + case WX_GL_MIN_ACCUM_ALPHA: + pfd.cAccumBits += (pfd.cAccumAlphaBits = attribList[arg++]); + break; + default: + break; + } } + } +} - MSWCreate(m_windowId, parent, wxGLCanvasClassName, this, NULL, - pos.x, pos.y, - WidthDefault(size.x), HeightDefault(size.y), - msflags, NULL, exStyle); - - return TRUE; - -} - -void wxGLCanvas::SetupPixelFormat() // (HDC hDC) -{ - PIXELFORMATDESCRIPTOR pfd = { - sizeof(PIXELFORMATDESCRIPTOR), /* size */ - 1, /* version */ - PFD_SUPPORT_OPENGL | - PFD_DRAW_TO_WINDOW | - PFD_DOUBLEBUFFER, /* support double-buffering */ - PFD_TYPE_RGBA, /* color type */ - 16, /* prefered color depth */ - 0, 0, 0, 0, 0, 0, /* color bits (ignored) */ - 0, /* no alpha buffer */ - 0, /* alpha bits (ignored) */ - 0, /* no accumulation buffer */ - 0, 0, 0, 0, /* accum bits (ignored) */ - 16, /* depth buffer */ - 0, /* no stencil buffer */ - 0, /* no auxiliary buffers */ - PFD_MAIN_PLANE, /* main layer */ - 0, /* reserved */ - 0, 0, 0, /* no layer, visible, damage masks */ +void wxGLCanvas::SetupPixelFormat(int *attribList) // (HDC hDC) +{ + int pixelFormat; + PIXELFORMATDESCRIPTOR pfd = { + sizeof(PIXELFORMATDESCRIPTOR), /* size */ + 1, /* version */ + PFD_SUPPORT_OPENGL | + PFD_DRAW_TO_WINDOW | + PFD_DOUBLEBUFFER, /* support double-buffering */ + PFD_TYPE_RGBA, /* color type */ + 16, /* prefered color depth */ + 0, 0, 0, 0, 0, 0, /* color bits (ignored) */ + 0, /* no alpha buffer */ + 0, /* alpha bits (ignored) */ + 0, /* no accumulation buffer */ + 0, 0, 0, 0, /* accum bits (ignored) */ + 16, /* depth buffer */ + 0, /* no stencil buffer */ + 0, /* no auxiliary buffers */ + PFD_MAIN_PLANE, /* main layer */ + 0, /* reserved */ + 0, 0, 0, /* no layer, visible, damage masks */ }; - int pixelFormat; - pixelFormat = ChoosePixelFormat((HDC) m_hDC, &pfd); - if (pixelFormat == 0) { - MessageBox(WindowFromDC((HDC) m_hDC), "ChoosePixelFormat failed.", "Error", - MB_ICONERROR | MB_OK); - exit(1); - } + AdjustPFDForAttributes(pfd, attribList); + pixelFormat = ChoosePixelFormat((HDC) m_hDC, &pfd); + if (pixelFormat == 0) { + wxLogWarning(_("ChoosePixelFormat failed.")); + } + else { if (SetPixelFormat((HDC) m_hDC, pixelFormat, &pfd) != TRUE) { - MessageBox(WindowFromDC((HDC) m_hDC), "SetPixelFormat failed.", "Error", - MB_ICONERROR | MB_OK); - exit(1); + wxLogWarning(_("SetPixelFormat failed.")); } + } } void wxGLCanvas::SetupPalette(const wxPalette& palette) @@ -362,7 +447,7 @@ void wxGLCanvas::SetupPalette(const wxPalette& palette) } else { - return; + return; } m_palette = palette; @@ -387,7 +472,7 @@ wxPalette wxGLCanvas::CreateDefaultPalette() DescribePixelFormat((HDC) m_hDC, pixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd); - paletteSize = 1 << pfd.cColorBits; + paletteSize = 1 << pfd.cColorBits; LOGPALETTE* pPal = (LOGPALETTE*) malloc(sizeof(LOGPALETTE) + paletteSize * sizeof(PALETTEENTRY)); @@ -396,20 +481,20 @@ wxPalette wxGLCanvas::CreateDefaultPalette() /* build a simple RGB color palette */ { - int redMask = (1 << pfd.cRedBits) - 1; - int greenMask = (1 << pfd.cGreenBits) - 1; - int blueMask = (1 << pfd.cBlueBits) - 1; - int i; - - for (i=0; ipalPalEntry[i].peRed = - (((i >> pfd.cRedShift) & redMask) * 255) / redMask; - pPal->palPalEntry[i].peGreen = - (((i >> pfd.cGreenShift) & greenMask) * 255) / greenMask; - pPal->palPalEntry[i].peBlue = - (((i >> pfd.cBlueShift) & blueMask) * 255) / blueMask; - pPal->palPalEntry[i].peFlags = 0; - } + int redMask = (1 << pfd.cRedBits) - 1; + int greenMask = (1 << pfd.cGreenBits) - 1; + int blueMask = (1 << pfd.cBlueBits) - 1; + int i; + + for (i=0; ipalPalEntry[i].peRed = + (((i >> pfd.cRedShift) & redMask) * 255) / redMask; + pPal->palPalEntry[i].peGreen = + (((i >> pfd.cGreenShift) & greenMask) * 255) / greenMask; + pPal->palPalEntry[i].peBlue = + (((i >> pfd.cBlueShift) & blueMask) * 255) / blueMask; + pPal->palPalEntry[i].peFlags = 0; + } } HPALETTE hPalette = CreatePalette(pPal); @@ -429,19 +514,6 @@ void wxGLCanvas::SwapBuffers() void wxGLCanvas::OnSize(wxSizeEvent& event) { - int width, height; - GetClientSize(& width, & height); - - if (m_glContext) - { - m_glContext->SetCurrent(); - - glViewport(0, 0, (GLint)width, (GLint)height); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 ); - glMatrixMode(GL_MODELVIEW); - } } void wxGLCanvas::SetCurrent() @@ -462,30 +534,30 @@ void wxGLCanvas::SetColour(const char *colour) // So we need wxFrame to call OnQueryNewPalette for all children... void wxGLCanvas::OnQueryNewPalette(wxQueryNewPaletteEvent& event) { - /* realize palette if this is the current window */ - if ( GetPalette()->Ok() ) { - ::UnrealizeObject((HPALETTE) GetPalette()->GetHPALETTE()); - ::SelectPalette((HDC) GetHDC(), (HPALETTE) GetPalette()->GetHPALETTE(), FALSE); - ::RealizePalette((HDC) GetHDC()); - Refresh(); - event.SetPaletteRealized(TRUE); - } - else - event.SetPaletteRealized(FALSE); + /* realize palette if this is the current window */ + if ( GetPalette()->Ok() ) { + ::UnrealizeObject((HPALETTE) GetPalette()->GetHPALETTE()); + ::SelectPalette((HDC) GetHDC(), (HPALETTE) GetPalette()->GetHPALETTE(), FALSE); + ::RealizePalette((HDC) GetHDC()); + Refresh(); + event.SetPaletteRealized(TRUE); + } + else + event.SetPaletteRealized(FALSE); } // I think this doesn't have to be propagated to child windows. void wxGLCanvas::OnPaletteChanged(wxPaletteChangedEvent& event) { - /* realize palette if this is *not* the current window */ - if ( GetPalette() && + /* realize palette if this is *not* the current window */ + if ( GetPalette() && GetPalette()->Ok() && (this != event.GetChangedWindow()) ) - { - ::UnrealizeObject((HPALETTE) GetPalette()->GetHPALETTE()); - ::SelectPalette((HDC) GetHDC(), (HPALETTE) GetPalette()->GetHPALETTE(), FALSE); - ::RealizePalette((HDC) GetHDC()); - Refresh(); - } + { + ::UnrealizeObject((HPALETTE) GetPalette()->GetHPALETTE()); + ::SelectPalette((HDC) GetHDC(), (HPALETTE) GetPalette()->GetHPALETTE(), FALSE); + ::RealizePalette((HDC) GetHDC()); + Refresh(); + } } /* Give extensions proper function names. */ @@ -529,15 +601,15 @@ void glIndexPointerEXT(GLenum type, GLsizei stride, GLsizei count, const GLvoid void glNormalPointerEXT(GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer) { #ifdef GL_EXT_vertex_array - static PFNGLNORMALPOINTEREXTPROC proc = 0; + static PFNGLNORMALPOINTEREXTPROC proc = 0; - if ( !proc ) - { - proc = (PFNGLNORMALPOINTEREXTPROC) wglGetProcAddress("glNormalPointerEXT"); - } + if ( !proc ) + { + proc = (PFNGLNORMALPOINTEREXTPROC) wglGetProcAddress("glNormalPointerEXT"); + } - if ( proc ) - (* proc) (type, stride, count, pointer); + if ( proc ) + (* proc) (type, stride, count, pointer); #endif } @@ -548,15 +620,14 @@ void glTexCoordPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count void glVertexPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer) { #ifdef GL_EXT_vertex_array - static PFNGLVERTEXPOINTEREXTPROC proc = 0; - - if ( !proc ) - { - proc = (PFNGLVERTEXPOINTEREXTPROC) wglGetProcAddress("glVertexPointerEXT"); - } + static PFNGLVERTEXPOINTEREXTPROC proc = 0; - if ( proc ) - (* proc) (size, type, stride, count, pointer); + if ( !proc ) + { + proc = (PFNGLVERTEXPOINTEREXTPROC) wglGetProcAddress("glVertexPointerEXT"); + } + if ( proc ) + (* proc) (size, type, stride, count, pointer); #endif } @@ -620,5 +691,53 @@ void glAddSwapHintRectWin(GLint x, GLint y, GLsizei width, GLsizei height) { } + +//--------------------------------------------------------------------------- +// wxGLApp +//--------------------------------------------------------------------------- + +IMPLEMENT_CLASS(wxGLApp, wxApp) + +bool wxGLApp::InitGLVisual(int *attribList) +{ + int pixelFormat; + PIXELFORMATDESCRIPTOR pfd = { + sizeof(PIXELFORMATDESCRIPTOR), /* size */ + 1, /* version */ + PFD_SUPPORT_OPENGL | + PFD_DRAW_TO_WINDOW | + PFD_DOUBLEBUFFER, /* support double-buffering */ + PFD_TYPE_RGBA, /* color type */ + 16, /* prefered color depth */ + 0, 0, 0, 0, 0, 0, /* color bits (ignored) */ + 0, /* no alpha buffer */ + 0, /* alpha bits (ignored) */ + 0, /* no accumulation buffer */ + 0, 0, 0, 0, /* accum bits (ignored) */ + 16, /* depth buffer */ + 0, /* no stencil buffer */ + 0, /* no auxiliary buffers */ + PFD_MAIN_PLANE, /* main layer */ + 0, /* reserved */ + 0, 0, 0, /* no layer, visible, damage masks */ + }; + + AdjustPFDForAttributes(pfd, attribList); + + // use DC for whole (root) screen, since no windows have yet been created + pixelFormat = ChoosePixelFormat(ScreenHDC(), &pfd); + + if (pixelFormat == 0) { + wxLogError(_("Failed to initialize OpenGL")); + return FALSE; + } + + return TRUE; +} + +wxGLApp::~wxGLApp() +{ +} + #endif // wxUSE_GLCANVAS