X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0a67a93b17c37c018f60e662645ee2a44ba4e58e..6cef0db28018fd2644ee4e38af715872e5242459:/src/mac/carbon/glcanvas.cpp diff --git a/src/mac/carbon/glcanvas.cpp b/src/mac/carbon/glcanvas.cpp index b3832d29fa..5fe1661ddd 100644 --- a/src/mac/carbon/glcanvas.cpp +++ b/src/mac/carbon/glcanvas.cpp @@ -1,290 +1,441 @@ -///////////////////////////////////////////////////////////////////////////// -// Name: glcanvas.cpp -// Purpose: wxGLCanvas, for using OpenGL with wxWindows under Macintosh -// Author: AUTHOR +/////////////////////////////////////////////////////////////////////////////// +// Name: src/mac/carbon/glcanvas.cpp +// Purpose: wxGLCanvas, for using OpenGL with wxWidgets under Macintosh +// Author: Stefan Csomor // Modified by: -// Created: ??/??/98 +// Created: 1998-01-01 // RCS-ID: $Id$ -// Copyright: (c) AUTHOR -// Licence: wxWindows licence -///////////////////////////////////////////////////////////////////////////// +// Copyright: (c) Stefan Csomor +// Licence: wxWindows licence +/////////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "glcanvas.h" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- #include "wx/wxprec.h" #if defined(__BORLANDC__) -#pragma hdrstop + #pragma hdrstop #endif -#include "wx/setup.h" - #if wxUSE_GLCANVAS +#include "wx/glcanvas.h" + #ifndef WX_PRECOMP -#include "wx/frame.h" + #include "wx/frame.h" + #include "wx/log.h" + #include "wx/settings.h" #endif -#include "wx/settings.h" -#include "wx/log.h" - -#include "wx/glcanvas.h" #include "wx/mac/uma.h" -#include +#include "wx/mac/private.h" -/* - * GLContext implementation - */ +// ---------------------------------------------------------------------------- +// helper functions +// ---------------------------------------------------------------------------- -wxGLContext::wxGLContext( - AGLPixelFormat fmt, wxGLCanvas *win, - const wxPalette& palette, - const wxGLContext *other /* for sharing display lists */ -) +static void wxLogAGLError(const char *func) { - m_window = win; + const int err = aglGetError(); - m_drawable = (AGLDrawable) UMAGetWindowPort(win->GetMacRootWindow()); + wxLogError(_("OpenGL function \"%s\" failed: %s (error %d)"), + func, aglErrorString(err), err); +} - m_glContext = aglCreateContext(fmt, other ? other->m_glContext : NULL); - wxCHECK_RET( m_glContext, wxT("Couldn't create OpenGl context") ); +// ============================================================================ +// implementation +// ============================================================================ - GLboolean b; - b = aglSetDrawable(m_glContext, m_drawable); - wxCHECK_RET( b, wxT("Couldn't bind OpenGl context") ); - aglEnable(m_glContext , AGL_BUFFER_RECT ) ; - b = aglSetCurrentContext(m_glContext); - wxCHECK_RET( b, wxT("Couldn't activate OpenGl context") ); -} +// ---------------------------------------------------------------------------- +// wxGLContext +// ---------------------------------------------------------------------------- -wxGLContext::~wxGLContext() +wxGLContext::wxGLContext(wxGLCanvas *win, const wxGLContext *other) { - if (m_glContext) - { - aglSetCurrentContext(NULL); - aglDestroyContext(m_glContext); - } + m_aglContext = aglCreateContext(win->GetAGLPixelFormat(), + other ? other->m_aglContext : NULL); + if ( !m_aglContext ) + wxLogAGLError("aglCreateContext"); } -void wxGLContext::SwapBuffers() +wxGLContext::~wxGLContext() { - if (m_glContext) - { - aglSwapBuffers(m_glContext); - } + if ( m_aglContext ) + { + // it's ok to pass the current context to this function + if ( !aglDestroyContext(m_aglContext) ) + wxLogAGLError("aglDestroyContext"); + } } -void wxGLContext::SetCurrent() +bool wxGLContext::SetCurrent(const wxGLCanvas& win) const { - if (m_glContext) - { - aglSetCurrentContext(m_glContext); - } -} + if ( !m_aglContext ) + return false; -void wxGLContext::Update() -{ - if (m_glContext) - { - aglUpdateContext(m_glContext); - } -} + AGLDrawable drawable = (AGLDrawable)GetWindowPort( + MAC_WXHWND(win.MacGetTopLevelWindowRef())); + if ( !aglSetDrawable(m_aglContext, drawable) ) + { + wxLogAGLError("aglSetDrawable"); + return false; + } -void wxGLContext::SetColour(const char *colour) -{ - float r = 0.0; - float g = 0.0; - float b = 0.0; - wxColour *col = wxTheColourDatabase->FindColour(colour); - if (col) - { - r = (float)(col->Red()/256.0); - g = (float)(col->Green()/256.0); - b = (float)(col->Blue()/256.0); - glColor3f( r, g, b); - } -} + if ( !aglSetCurrentContext(m_aglContext) ) + { + wxLogAGLError("aglSetCurrentContext"); + return false; + } + wx_const_cast(wxGLCanvas&, win).SetViewport(); + return true; +} -/* - * wxGLCanvas implementation - */ +// ---------------------------------------------------------------------------- +// wxGLCanvas +// ---------------------------------------------------------------------------- -IMPLEMENT_CLASS(wxGLCanvas, wxScrolledWindow) +IMPLEMENT_CLASS(wxGLCanvas, wxWindow) -BEGIN_EVENT_TABLE(wxGLCanvas, wxScrolledWindow) +BEGIN_EVENT_TABLE(wxGLCanvas, wxWindow) 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) +wxGLCanvas::wxGLCanvas(wxWindow *parent, + wxWindowID id, + const int *attribList, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name, + const wxPalette& palette) { - Create(parent, NULL, id, pos, size, style, name, attribList, palette); + Create(parent, 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 ) +#if WXWIN_COMPATIBILITY_2_8 + +wxGLCanvas::wxGLCanvas(wxWindow *parent, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name, + const int *attribList, + const wxPalette& palette) { - Create(parent, shared, id, pos, size, style, name, attribList, palette); + if ( Create(parent, id, pos, size, style, name, attribList, palette) ) + m_glContext = new wxGLContext(this); } -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 ) +wxGLCanvas::wxGLCanvas(wxWindow *parent, + const wxGLContext *shared, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name, + const int *attribList, + const wxPalette& palette) { - Create(parent, shared ? shared->GetContext() : NULL, id, pos, size, style, name, attribList, palette); + if ( Create(parent, id, pos, size, style, name, attribList, palette) ) + m_glContext = new wxGLContext(this, shared); } -wxGLCanvas::~wxGLCanvas() +wxGLCanvas::wxGLCanvas(wxWindow *parent, + const wxGLCanvas *shared, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name, + const int *attribList, + const wxPalette& palette) { - if (m_glContext) - delete m_glContext; + if ( Create(parent, id, pos, size, style, name, attribList, palette) ) + m_glContext = new wxGLContext(this, shared ? shared->m_glContext : NULL); } -bool wxGLCanvas::Create(wxWindow *parent, const wxGLContext *shared, wxWindowID id, - const wxPoint& pos, const wxSize& size, long style, const wxString& name, - int *attribList, const wxPalette& palette) +#endif // WXWIN_COMPATIBILITY_2_8 + +static AGLPixelFormat ChoosePixelFormat(const int *attribList) { - m_macEraseOnRedraw = false ; GLint data[512]; - GLint defs[] = { AGL_RGBA, - AGL_DOUBLEBUFFER, - AGL_MINIMUM_POLICY, - AGL_DEPTH_SIZE, 1, // use largest available depth buffer - AGL_RED_SIZE, 1, - AGL_GREEN_SIZE, 1, - AGL_BLUE_SIZE, 1, - AGL_ALPHA_SIZE, 0, - AGL_NONE }; - GLint *attribs; - if (!attribList) + const GLint defaultAttribs[] = { - attribs = defs; + AGL_RGBA, + AGL_DOUBLEBUFFER, + AGL_MINIMUM_POLICY, // never choose less than requested + AGL_DEPTH_SIZE, 1, // use largest available depth buffer + AGL_RED_SIZE, 1, + AGL_GREEN_SIZE, 1, + AGL_BLUE_SIZE, 1, + AGL_ALPHA_SIZE, 0, + AGL_NONE + }; + + const GLint *attribs; + if ( !attribList ) + { + attribs = defaultAttribs; } else { - int data[512], arg=0, p=0; + unsigned p = 0; + data[p++] = AGL_MINIMUM_POLICY; // make _SIZE tags behave more like GLX - data[p++] = AGL_MINIMUM_POLICY; // make _SIZE tags behave more like GLX - while( (attribList[arg]!=0) && (p<512) ) - { - switch( attribList[arg++] ) + for ( unsigned arg = 0; attribList[arg] !=0 && p < WXSIZEOF(data); ) { - case WX_GL_RGBA: data[p++] = AGL_RGBA; break; - case WX_GL_BUFFER_SIZE: - data[p++]=AGL_BUFFER_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_LEVEL: - data[p++]=AGL_LEVEL; data[p++]=attribList[arg++]; break; - case WX_GL_DOUBLEBUFFER: data[p++] = AGL_DOUBLEBUFFER; break; - case WX_GL_STEREO: data[p++] = AGL_STEREO; break; - case WX_GL_AUX_BUFFERS: - data[p++]=AGL_AUX_BUFFERS; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_RED: - data[p++]=AGL_RED_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_GREEN: - data[p++]=AGL_GREEN_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_BLUE: - data[p++]=AGL_BLUE_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_ALPHA: - data[p++]=AGL_ALPHA_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_DEPTH_SIZE: - data[p++]=AGL_DEPTH_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_STENCIL_SIZE: - data[p++]=AGL_STENCIL_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_ACCUM_RED: - data[p++]=AGL_ACCUM_RED_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_ACCUM_GREEN: - data[p++]=AGL_ACCUM_GREEN_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_ACCUM_BLUE: - data[p++]=AGL_ACCUM_BLUE_SIZE; data[p++]=attribList[arg++]; break; - case WX_GL_MIN_ACCUM_ALPHA: - data[p++]=AGL_ACCUM_ALPHA_SIZE; data[p++]=attribList[arg++]; break; - default: - break; + switch ( attribList[arg++] ) + { + case WX_GL_RGBA: + data[p++] = AGL_RGBA; + break; + + case WX_GL_BUFFER_SIZE: + data[p++] = AGL_BUFFER_SIZE; + data[p++] = attribList[arg++]; + break; + + case WX_GL_LEVEL: + data[p++]=AGL_LEVEL; + data[p++]=attribList[arg++]; + break; + + case WX_GL_DOUBLEBUFFER: + data[p++] = AGL_DOUBLEBUFFER; + break; + + case WX_GL_STEREO: + data[p++] = AGL_STEREO; + break; + + case WX_GL_AUX_BUFFERS: + data[p++] = AGL_AUX_BUFFERS; + data[p++] = attribList[arg++]; + break; + + case WX_GL_MIN_RED: + data[p++] = AGL_RED_SIZE; + data[p++] = attribList[arg++]; + break; + + case WX_GL_MIN_GREEN: + data[p++] = AGL_GREEN_SIZE; + data[p++] = attribList[arg++]; + break; + + case WX_GL_MIN_BLUE: + data[p++] = AGL_BLUE_SIZE; + data[p++] = attribList[arg++]; + break; + + case WX_GL_MIN_ALPHA: + data[p++] = AGL_ALPHA_SIZE; + data[p++] = attribList[arg++]; + break; + + case WX_GL_DEPTH_SIZE: + data[p++] = AGL_DEPTH_SIZE; + data[p++] = attribList[arg++]; + break; + + case WX_GL_STENCIL_SIZE: + data[p++] = AGL_STENCIL_SIZE; + data[p++] = attribList[arg++]; + break; + + case WX_GL_MIN_ACCUM_RED: + data[p++] = AGL_ACCUM_RED_SIZE; + data[p++] = attribList[arg++]; + break; + + case WX_GL_MIN_ACCUM_GREEN: + data[p++] = AGL_ACCUM_GREEN_SIZE; + data[p++] = attribList[arg++]; + break; + + case WX_GL_MIN_ACCUM_BLUE: + data[p++] = AGL_ACCUM_BLUE_SIZE; + data[p++] = attribList[arg++]; + break; + + case WX_GL_MIN_ACCUM_ALPHA: + data[p++] = AGL_ACCUM_ALPHA_SIZE; + data[p++] = attribList[arg++]; + break; + } } - } - data[p] = 0; - attribs = defs; + data[p] = AGL_NONE; + + attribs = data; } - wxScrolledWindow::Create( parent, id, pos, size, style, name ); - AGLPixelFormat fmt = aglChoosePixelFormat(NULL, 0, attribs); - wxCHECK_MSG( fmt, false, wxT("Couldn't create OpenGl pixel format") ); + return aglChoosePixelFormat(NULL, 0, attribs); +} + +bool wxGLCanvas::Create(wxWindow *parent, + wxWindowID id, + const wxPoint& pos, + const wxSize& size, + long style, + const wxString& name, + const int *attribList, + const wxPalette& WXUNUSED(palette)) +{ + m_needsUpdate = false; + m_macCanvasIsShown = false; - m_glContext = new wxGLContext(fmt, this, palette, shared); + m_aglFormat = ChoosePixelFormat(attribList); + if ( !m_aglFormat ) + return false; + + if ( !wxWindow::Create(parent, id, pos, size, style, name) ) + return false; + + m_macCanvasIsShown = true; - aglDestroyPixelFormat(fmt); - return true; } -void wxGLCanvas::SwapBuffers() +wxGLCanvas::~wxGLCanvas() { - if (m_glContext) - m_glContext->SwapBuffers(); + if ( m_aglFormat ) + aglDestroyPixelFormat(m_aglFormat); } -void wxGLCanvas::UpdateContext() +/* static */ +bool wxGLCanvasBase::IsDisplaySupported(const int *attribList) { - if (m_glContext) - m_glContext->Update(); + AGLPixelFormat aglFormat = ChoosePixelFormat(attribList); + + if ( !aglFormat ) + return false; + + aglDestroyPixelFormat(aglFormat); + + return true; +} + +bool wxGLCanvas::SwapBuffers() +{ + AGLContext context = aglGetCurrentContext(); + wxCHECK_MSG(context, false, _T("should have current context")); + + aglSwapBuffers(context); + return true; } void wxGLCanvas::SetViewport() { - // viewport is initially set to entire port - // adjust glViewport to just this window - int x = 0 ; - int y = 0 ; - - MacClientToRootWindow( &x , &y ) ; + if ( !m_needsUpdate ) + return; + + m_needsUpdate = false; + + AGLContext context = aglGetCurrentContext(); + if ( !context ) + return; + + // viewport is initially set to entire port, adjust it to just this window + int x = 0, + y = 0; + MacClientToRootWindow(&x , &y); + int width, height; - GetClientSize(& width, & height); - Rect bounds ; - GetWindowPortBounds( GetMacRootWindow() , &bounds ) ; - GLint parms[4] ; - parms[0] = x ; - parms[1] = bounds.bottom - bounds.top - ( y + height ) ; - parms[2] = width ; - parms[3] = height ; - - aglSetInteger( m_glContext->m_glContext , AGL_BUFFER_RECT , parms ) ; + GetClientSize(&width, &height); + + Rect bounds; + GetWindowPortBounds(MAC_WXHWND(MacGetTopLevelWindowRef()) , &bounds); + +#if 0 + // TODO in case we adopt point vs pixel coordinates, this will make the conversion + HIRect hiRect = CGRectMake( x, y, width, height ); + HIRectConvert( &hiRect, kHICoordSpace72DPIGlobal, NULL, kHICoordSpaceScreenPixel, NULL); + HIRect hiBounds = CGRectMake( 0, 0, bounds.right - bounds.left , bounds.bottom - bounds.top ); + HIRectConvert( &hiBounds, kHICoordSpace72DPIGlobal, NULL, kHICoordSpaceScreenPixel, NULL); + GLint parms[4]; + parms[0] = hiRect.origin.x; + parms[1] = hiBounds.size.height - (hiRect.origin.y + hiRect.size.height); + parms[2] = hiRect.size.width; + parms[3] = hiRect.size.height; +#else + GLint parms[4]; + parms[0] = x; + parms[1] = bounds.bottom - bounds.top - ( y + height ); + parms[2] = width; + parms[3] = height; +#endif + + // move the buffer rect out of sight if we're hidden + if ( !m_macCanvasIsShown ) + parms[0] += 20000; + + if ( !aglSetInteger(context, AGL_BUFFER_RECT, parms) ) + wxLogAGLError("aglSetInteger(AGL_BUFFER_RECT)"); + + if ( !aglEnable(context, AGL_BUFFER_RECT) ) + wxLogAGLError("aglEnable(AGL_BUFFER_RECT)"); + + if ( !aglUpdateContext(context) ) + wxLogAGLError("aglUpdateContext"); } void wxGLCanvas::OnSize(wxSizeEvent& event) { - if (m_glContext) - { - UpdateContext(); - m_glContext->SetCurrent(); - - SetViewport(); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum( -1.0, 1.0, -1.0, 1.0, 5.0, 15.0 ); - glMatrixMode(GL_MODELVIEW); - } + MacUpdateView(); + event.Skip(); } -void wxGLCanvas::SetCurrent() +void wxGLCanvas::MacUpdateView() { - if (m_glContext) - { - m_glContext->SetCurrent(); - } + m_needsUpdate = true; + Refresh(false); } -void wxGLCanvas::SetColour(const char *colour) +void wxGLCanvas::MacSuperChangedPosition() { - if (m_glContext) - m_glContext->SetColour(colour); + MacUpdateView(); + wxWindow::MacSuperChangedPosition(); +} + +void wxGLCanvas::MacTopLevelWindowChangedPosition() +{ + MacUpdateView(); + wxWindow::MacTopLevelWindowChangedPosition(); +} + +void wxGLCanvas::MacVisibilityChanged() +{ + if ( IsShownOnScreen() != m_macCanvasIsShown ) + { + m_macCanvasIsShown = !m_macCanvasIsShown; + MacUpdateView(); + } + + wxWindowMac::MacVisibilityChanged(); +} + +// ---------------------------------------------------------------------------- +// wxGLApp +// ---------------------------------------------------------------------------- + +bool wxGLApp::InitGLVisual(const int *attribList) +{ + AGLPixelFormat fmt = ChoosePixelFormat(attribList); + if ( !fmt ) + return false; + + aglDestroyPixelFormat(fmt); + return true; } #endif // wxUSE_GLCANVAS