X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..7475e8146203b9f75ea01247eb456209ed7b7c13:/src/motif/glcanvas.cpp?ds=sidebyside diff --git a/src/motif/glcanvas.cpp b/src/motif/glcanvas.cpp index 0c1f9780d2..65f2f0526c 100644 --- a/src/motif/glcanvas.cpp +++ b/src/motif/glcanvas.cpp @@ -7,10 +7,10 @@ // Created: 1995, 1999 // RCS-ID: $Id$ // Copyright: (c) Julian Smart, Wolfram Gloger -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "glcanvas.h" #endif @@ -21,150 +21,378 @@ #include "wx/glcanvas.h" #include "wx/utils.h" #include "wx/app.h" +#include "wx/log.h" +#ifdef __VMS +# pragma message disable nosimpint +#endif #include +#ifdef __VMS +# pragma message enable nosimpint +#endif #include "wx/motif/private.h" +// DLL options compatibility check: +#include "wx/build.h" +WX_CHECK_BUILD_OPTIONS("wxGL") + #ifdef OLD_MESA // workaround for bug in Mesa's glx.c static int bitcount( unsigned long n ) { int bits; for (bits=0; n>0;) { - if(n & 1) bits++; - n = n >> 1; + if(n & 1) bits++; + n = n >> 1; } return bits; } #endif +/* + * GLContext implementation + */ + +IMPLEMENT_CLASS(wxGLContext,wxObject) + +wxGLContext::wxGLContext( bool WXUNUSED(isRGB), wxWindow *win, + const wxPalette& WXUNUSED(palette) ) +{ + m_window = win; + // m_widget = win->m_wxwindow; + + wxGLCanvas *gc = (wxGLCanvas*) win; + XVisualInfo *vi = (XVisualInfo *) gc->m_vi; + + wxCHECK_RET( vi, "invalid visual for OpenGl" ); + + m_glContext = glXCreateContext( (Display *)m_window->GetXDisplay(), vi, + None, GL_TRUE); + + wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); +} + +wxGLContext::wxGLContext( + bool WXUNUSED(isRGB), wxWindow *win, + const wxPalette& WXUNUSED(palette), + const wxGLContext *other /* for sharing display lists */ +) +{ + m_window = win; + // m_widget = win->m_wxwindow; + + wxGLCanvas *gc = (wxGLCanvas*) win; + XVisualInfo *vi = (XVisualInfo *) gc->m_vi; + + wxCHECK_RET( vi, "invalid visual for OpenGl" ); + + if( other != 0 ) + m_glContext = glXCreateContext( (Display *)m_window->GetXDisplay(), vi, + other->m_glContext, GL_TRUE ); + else + m_glContext = glXCreateContext( (Display *)m_window->GetXDisplay(), vi, + None, GL_TRUE ); + + wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); +} + +wxGLContext::~wxGLContext() +{ + if (!m_glContext) return; + + if (m_glContext == glXGetCurrentContext()) + { + glXMakeCurrent( (Display*) m_window->GetXDisplay(), None, NULL); + } + + glXDestroyContext( (Display*) m_window->GetXDisplay(), m_glContext ); +} + +void wxGLContext::SwapBuffers() +{ + if (m_glContext) + { + Display* display = (Display*) m_window->GetXDisplay(); + glXSwapBuffers(display, (Window) m_window->GetXWindow()); + } +} + +void wxGLContext::SetCurrent() +{ + if (m_glContext) + { + Display* display = (Display*) m_window->GetXDisplay(); + glXMakeCurrent(display, (Window) m_window->GetXWindow(), + m_glContext );; + } +} + +void wxGLContext::SetColour(const char *colour) +{ + wxColour *the_colour = wxTheColourDatabase->FindColour(colour); + if(the_colour) { + GLboolean b; + glGetBooleanv(GL_RGBA_MODE, &b); + if(b) { + glColor3ub(the_colour->Red(), + the_colour->Green(), + the_colour->Blue()); + } else { + GLint pix = (GLint)the_colour->m_pixel; + if(pix == -1) { + XColor exact_def; + exact_def.red = (unsigned short)the_colour->Red() << 8; + exact_def.green = (unsigned short)the_colour->Green() << 8; + exact_def.blue = (unsigned short)the_colour->Blue() << 8; + exact_def.flags = DoRed | DoGreen | DoBlue; + if(!XAllocColor((Display*) m_window->GetXDisplay(), + (Colormap) wxTheApp->GetMainColormap(m_window->GetXDisplay()), + &exact_def)) { + wxLogError("wxGLCanvas: cannot allocate color\n"); + return; + } + pix = the_colour->m_pixel = exact_def.pixel; + } + glIndexi(pix); + } + } +} + +void wxGLContext::SetupPixelFormat() +{ +} + +void wxGLContext::SetupPalette( const wxPalette& WXUNUSED(palette) ) +{ +} + +wxPalette wxGLContext::CreateDefaultPalette() +{ + return wxNullPalette; +} + + + + /* * GLCanvas implementation */ IMPLEMENT_CLASS(wxGLCanvas, wxScrolledWindow) -wxGLCanvas::wxGLCanvas(wxWindow *parent, - wxWindowID id, - const wxPoint& pos, - const wxSize& size, - long style, - const wxString& name, - int *attrib_list, const wxPalette& palette) - : wxScrolledWindow(parent, id, pos, size, style, name) +BEGIN_EVENT_TABLE(wxGLCanvas, wxScrolledWindow) +// EVT_SIZE(wxGLCanvas::OnSize) +END_EVENT_TABLE() + + +wxGLCanvas::wxGLCanvas( wxWindow *parent, wxWindowID id, + const wxPoint& pos, const wxSize& size, + long style, const wxString& name, + int *attribList, + const wxPalette& palette ) +: wxScrolledWindow(parent, id, pos, size, style, name) +{ + Create( parent, NULL, NULL, id, pos, size, style, name, attribList, 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(parent, id, pos, size, style, name) +{ + Create( parent, shared, NULL, id, pos, size, style, name, attribList, palette ); +} + +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(parent, id, pos, size, style, name) +{ + Create( parent, NULL, shared, id, pos, size, style, name, attribList, palette ); +} + + +/* +bool wxGLCanvas::Create(wxWindow *parent, + const wxGLContext *shared, const wxGLCanvas *shared_context_of, + wxWindowID id = -1, const wxPoint& pos, + const wxSize& size, long style, + const wxString& name, int *attribList, const wxPalette& palette): + wxScrolledWindow(parent, id, pos, size, style, name) +*/ + +bool wxGLCanvas::Create( wxWindow *parent, + const wxGLContext *shared, + const wxGLCanvas *shared_context_of, + wxWindowID id, + const wxPoint& pos, const wxSize& size, + long style, const wxString& name, + int *attribList, + const wxPalette& palette) { XVisualInfo *vi, vi_templ; XWindowAttributes xwa; int val, n; + m_sharedContext = (wxGLContext*)shared; // const_cast + m_sharedContextOf = (wxGLCanvas*)shared_context_of; // const_cast + m_glContext = (wxGLContext*) NULL; + Display* display = (Display*) GetXDisplay(); - glx_cx = 0; // Check for the presence of the GLX extension if(!glXQueryExtension(display, NULL, NULL)) { - wxDebugMsg("wxGLCanvas: GLX extension is missing\n"); - return; + wxLogError("wxGLCanvas: GLX extension is missing\n"); + return false; } - if(attrib_list) { - // Get an appropriate visual - vi = glXChooseVisual(display, DefaultScreen(display), attrib_list); - if(!vi) return; + if(attribList) { + int data[512], arg=0, p=0; + + while( (attribList[arg]!=0) && (p<512) ) + { + switch( attribList[arg++] ) + { + case WX_GL_RGBA: data[p++] = GLX_RGBA; break; + case WX_GL_BUFFER_SIZE: + data[p++]=GLX_BUFFER_SIZE; data[p++]=attribList[arg++]; break; + case WX_GL_LEVEL: + data[p++]=GLX_LEVEL; data[p++]=attribList[arg++]; break; + case WX_GL_DOUBLEBUFFER: data[p++] = GLX_DOUBLEBUFFER; break; + case WX_GL_STEREO: data[p++] = GLX_STEREO; break; + case WX_GL_AUX_BUFFERS: + data[p++]=GLX_AUX_BUFFERS; data[p++]=attribList[arg++]; break; + case WX_GL_MIN_RED: + data[p++]=GLX_RED_SIZE; data[p++]=attribList[arg++]; break; + case WX_GL_MIN_GREEN: + data[p++]=GLX_GREEN_SIZE; data[p++]=attribList[arg++]; break; + case WX_GL_MIN_BLUE: + data[p++]=GLX_BLUE_SIZE; data[p++]=attribList[arg++]; break; + case WX_GL_MIN_ALPHA: + data[p++]=GLX_ALPHA_SIZE; data[p++]=attribList[arg++]; break; + case WX_GL_DEPTH_SIZE: + data[p++]=GLX_DEPTH_SIZE; data[p++]=attribList[arg++]; break; + case WX_GL_STENCIL_SIZE: + data[p++]=GLX_STENCIL_SIZE; data[p++]=attribList[arg++]; break; + case WX_GL_MIN_ACCUM_RED: + data[p++]=GLX_ACCUM_RED_SIZE; data[p++]=attribList[arg++]; break; + case WX_GL_MIN_ACCUM_GREEN: + data[p++]=GLX_ACCUM_GREEN_SIZE; data[p++]=attribList[arg++]; break; + case WX_GL_MIN_ACCUM_BLUE: + data[p++]=GLX_ACCUM_BLUE_SIZE; data[p++]=attribList[arg++]; break; + case WX_GL_MIN_ACCUM_ALPHA: + data[p++]=GLX_ACCUM_ALPHA_SIZE; data[p++]=attribList[arg++]; break; + default: + break; + } + } + data[p] = 0; - // Here we should make sure that vi is the same visual as the - // one used by the xwindow drawable in wxCanvas. However, - // there is currently no mechanism for this in wx_canvs.cc. + attribList = (int*) data; + // Get an appropriate visual + vi = glXChooseVisual(display, DefaultScreen(display), attribList); + if(!vi) return false; + + // Here we should make sure that vi is the same visual as the + // one used by the xwindow drawable in wxCanvas. However, + // there is currently no mechanism for this in wx_canvs.cc. } else { - // By default, we use the visual of xwindow - XGetWindowAttributes(display, (Window) GetXWindow(), &xwa); - vi_templ.visualid = XVisualIDFromVisual(xwa.visual); - vi = XGetVisualInfo(display, VisualIDMask, &vi_templ, &n); - if(!vi) return; - glXGetConfig(display, vi, GLX_USE_GL, &val); - if(!val) return; - // Basically, this is it. It should be possible to use vi - // in glXCreateContext() below. But this fails with Mesa. - // I notified the Mesa author about it; there may be a fix. + // By default, we use the visual of xwindow + // NI: is this really senseful ? opengl in e.g. color index mode ? + XGetWindowAttributes(display, (Window) GetXWindow(), &xwa); + vi_templ.visualid = XVisualIDFromVisual(xwa.visual); + vi = XGetVisualInfo(display, VisualIDMask, &vi_templ, &n); + if(!vi) return false; + glXGetConfig(display, vi, GLX_USE_GL, &val); + if(!val) return false; + // Basically, this is it. It should be possible to use vi + // in glXCreateContext() below. But this fails with Mesa. + // I notified the Mesa author about it; there may be a fix. #ifdef OLD_MESA - // Construct an attribute list matching the visual - int a_list[32]; - n = 0; - if(vi->c_class==TrueColor || vi->c_class==DirectColor) { // RGBA visual - a_list[n++] = GLX_RGBA; - a_list[n++] = GLX_RED_SIZE; - a_list[n++] = bitcount(vi->red_mask); - a_list[n++] = GLX_GREEN_SIZE; - a_list[n++] = bitcount(vi->green_mask); - a_list[n++] = GLX_BLUE_SIZE; - a_list[n++] = bitcount(vi->blue_mask); - glXGetConfig(display, vi, GLX_ALPHA_SIZE, &val); - a_list[n++] = GLX_ALPHA_SIZE; - a_list[n++] = val; - } else { // Color index visual - glXGetConfig(display, vi, GLX_BUFFER_SIZE, &val); - a_list[n++] = GLX_BUFFER_SIZE; - a_list[n++] = val; - } - a_list[n] = None; - XFree(vi); - vi = glXChooseVisual(display, DefaultScreen(display), a_list); - if(!vi) return; + // Construct an attribute list matching the visual + int a_list[32]; + n = 0; + if(vi->c_class==TrueColor || vi->c_class==DirectColor) { // RGBA visual + a_list[n++] = GLX_RGBA; + a_list[n++] = GLX_RED_SIZE; + a_list[n++] = bitcount(vi->red_mask); + a_list[n++] = GLX_GREEN_SIZE; + a_list[n++] = bitcount(vi->green_mask); + a_list[n++] = GLX_BLUE_SIZE; + a_list[n++] = bitcount(vi->blue_mask); + glXGetConfig(display, vi, GLX_ALPHA_SIZE, &val); + a_list[n++] = GLX_ALPHA_SIZE; + a_list[n++] = val; + } else { // Color index visual + glXGetConfig(display, vi, GLX_BUFFER_SIZE, &val); + a_list[n++] = GLX_BUFFER_SIZE; + a_list[n++] = val; + } + a_list[n] = None; + // XFree(vi); + vi = glXChooseVisual(display, DefaultScreen(display), a_list); + if(!vi) return false; #endif /* OLD_MESA */ } + m_vi = vi; // safe for later use + + wxCHECK_MSG( m_vi, FALSE, "required visual couldn't be found" ); + // Create the GLX context and make it current - glx_cx = glXCreateContext(display, vi, 0, GL_TRUE); + + wxGLContext *share= m_sharedContext; + if (share==NULL && m_sharedContextOf) + share = m_sharedContextOf->GetContext(); + + m_glContext = new wxGLContext( TRUE, this, wxNullPalette, share ); + #ifndef OLD_MESA - XFree(vi); + // XFree(vi); #endif SetCurrent(); + + return true; } wxGLCanvas::~wxGLCanvas(void) { - Display* display = (Display*) GetXDisplay(); - if(glx_cx) glXDestroyContext(display, glx_cx); + XVisualInfo *vi = (XVisualInfo *) m_vi; + + if (vi) XFree( vi ); + if (m_glContext) delete m_glContext; + + // Display* display = (Display*) GetXDisplay(); + // if(glx_cx) glXDestroyContext(display, glx_cx); } void wxGLCanvas::SwapBuffers() { - Display* display = (Display*) GetXDisplay(); - if(glx_cx) glXSwapBuffers(display, (Window) GetXWindow()); + if( m_glContext ) m_glContext->SwapBuffers(); + + // Display* display = (Display*) GetXDisplay(); + // if(glx_cx) glXSwapBuffers(display, (Window) GetXWindow()); } void wxGLCanvas::SetCurrent() { - Display* display = (Display*) GetXDisplay(); - if(glx_cx) glXMakeCurrent(display, (Window) GetXWindow(), glx_cx); + if( m_glContext ) m_glContext->SetCurrent(); + + // Display* display = (Display*) GetXDisplay(); + // if(glx_cx) glXMakeCurrent(display, (Window) GetXWindow(), glx_cx); } void wxGLCanvas::SetColour(const char *col) { - wxColour *the_colour = wxTheColourDatabase->FindColour(col); - if(the_colour) { - GLboolean b; - glGetBooleanv(GL_RGBA_MODE, &b); - if(b) { - glColor3ub(the_colour->Red(), - the_colour->Green(), - the_colour->Blue()); - } else { - GLint pix = (GLint)the_colour->m_pixel; - if(pix == -1) { - XColor exact_def; - exact_def.red = (unsigned short)the_colour->Red() << 8; - exact_def.green = (unsigned short)the_colour->Green() << 8; - exact_def.blue = (unsigned short)the_colour->Blue() << 8; - exact_def.flags = DoRed | DoGreen | DoBlue; - if(!XAllocColor((Display*) GetXDisplay(), (Colormap) wxTheApp->GetMainColormap(GetXDisplay()), &exact_def)) { - wxDebugMsg("wxGLCanvas: cannot allocate color\n"); - return; - } - pix = the_colour->m_pixel = exact_def.pixel; - } - glIndexi(pix); - } - } + if( m_glContext ) m_glContext->SetColour(col); } #endif