X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/43b2cccb4b6578afa43b25f4dd15d3d29d89bafd..babc97583e1280ac0992ca8e3dbd7604e2d3963b:/utils/glcanvas/win/glcanvas.cpp diff --git a/utils/glcanvas/win/glcanvas.cpp b/utils/glcanvas/win/glcanvas.cpp deleted file mode 100644 index aee52f2f2a..0000000000 --- a/utils/glcanvas/win/glcanvas.cpp +++ /dev/null @@ -1,618 +0,0 @@ -///////////////////////////////////////////////////////////////////////////// -// Name: 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 -///////////////////////////////////////////////////////////////////////////// - -#ifdef __GNUG__ -#pragma implementation "glcanvas.h" -#endif - -#include "wx/wxprec.h" - -#if defined(__BORLANDC__) -#pragma hdrstop -#endif - -#ifndef WX_PRECOMP -#include -#endif - -#include - -#include "glcanvas.h" - -wxChar wxGLCanvasClassName[] = wxT("wxGLCanvasClass"); - -LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, - WPARAM wParam, LPARAM lParam); - -/* - * GLContext implementation - */ - -wxGLContext::wxGLContext(bool isRGB, wxGLCanvas *win, const wxPalette& palette) -{ - m_window = win; - - m_hDC = win->GetHDC(); - - m_glContext = wglCreateContext((HDC) m_hDC); - wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); - - wglMakeCurrent((HDC) m_hDC, m_glContext); -} - -wxGLContext::wxGLContext( - bool isRGB, wxGLCanvas *win, - const wxPalette& palette, - const wxGLContext *other /* for sharing display lists */ -) -{ - m_window = win; - - m_hDC = win->GetHDC(); - - m_glContext = wglCreateContext((HDC) m_hDC); - wxCHECK_RET( m_glContext, "Couldn't create OpenGl context" ); - - if( other != 0 ) - wglShareLists( other->m_glContext, m_glContext ); - - wglMakeCurrent((HDC) m_hDC, m_glContext); -} - -wxGLContext::~wxGLContext() -{ - if (m_glContext) - { - wglMakeCurrent(NULL, NULL); - wglDeleteContext(m_glContext); - } -} - -void wxGLContext::SwapBuffers() -{ - if (m_glContext) - { - wglMakeCurrent((HDC) m_hDC, m_glContext); - ::SwapBuffers((HDC) m_hDC); //blits the backbuffer into DC - } -} - -void wxGLContext::SetCurrent() -{ - if (m_glContext) - { - wglMakeCurrent((HDC) m_hDC, m_glContext); - } - -/* - setupPixelFormat(hDC); - setupPalette(hDC); -*/ -} - -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); - } -} - - -/* - * wxGLCanvas implementation - */ - -IMPLEMENT_CLASS(wxGLCanvas, wxScrolledWindow) - -BEGIN_EVENT_TABLE(wxGLCanvas, wxScrolledWindow) - EVT_SIZE(wxGLCanvas::OnSize) - EVT_PALETTE_CHANGED(wxGLCanvas::OnPaletteChanged) - EVT_QUERY_NEW_PALETTE(wxGLCanvas::OnQueryNewPalette) -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() -{ - m_glContext = (wxGLContext*) NULL; - - bool ret = Create(parent, id, pos, size, style, name); - - if ( ret ) - { - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); - } - - m_hDC = (WXHDC) ::GetDC((HWND) GetHWND()); - - SetupPixelFormat(); - SetupPalette(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() -{ - m_glContext = (wxGLContext*) NULL; - - bool ret = Create(parent, id, pos, size, style, name); - - if ( ret ) - { - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); - } - - m_hDC = (WXHDC) ::GetDC((HWND) GetHWND()); - - SetupPixelFormat(); - SetupPalette(palette); - - m_glContext = new wxGLContext(TRUE, this, palette, shared ); -} - -// Not very usefull 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() -{ - m_glContext = (wxGLContext*) NULL; - - bool ret = Create(parent, id, pos, size, style, name); - - if ( ret ) - { - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE)); - SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT)); - } - - m_hDC = (WXHDC) ::GetDC((HWND) GetHWND()); - - SetupPixelFormat(); - SetupPalette(palette); - - wxGLContext *sharedContext=0; - if (shared) sharedContext=shared->GetContext(); - m_glContext = new wxGLContext(TRUE, this, palette, sharedContext ); -} - -wxGLCanvas::~wxGLCanvas() -{ - if (m_glContext) - delete m_glContext; - - ::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) -{ - static bool registeredGLCanvasClass = FALSE; - - // We have to register a special window class because we need - // the CS_OWNDC style for GLCanvas. - -/* - From Angel Popov - - 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." - - "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) - { - 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; - } - - wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow without parent") ); - - if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) ) - return FALSE; - - parent->AddChild(this); - - DWORD msflags = 0; - if ( style & wxBORDER ) - msflags |= WS_BORDER; - if ( style & wxTHICK_FRAME ) - msflags |= WS_THICKFRAME; - - msflags |= WS_CHILD | WS_VISIBLE; - if ( style & wxCLIP_CHILDREN ) - msflags |= WS_CLIPCHILDREN; - - bool want3D; - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D); - - // 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; - } - - // calculate the value to return from WM_GETDLGCODE handler - if ( GetWindowStyleFlag() & wxWANTS_CHARS ) - { - // want everything: i.e. all keys and WM_CHAR message - m_lDlgCode = DLGC_WANTARROWS | DLGC_WANTCHARS | - DLGC_WANTTAB | DLGC_WANTMESSAGE; - } - - 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 */ - }; - 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); - } - - if (SetPixelFormat((HDC) m_hDC, pixelFormat, &pfd) != TRUE) { - MessageBox(WindowFromDC((HDC) m_hDC), "SetPixelFormat failed.", "Error", - MB_ICONERROR | MB_OK); - exit(1); - } -} - -void wxGLCanvas::SetupPalette(const wxPalette& palette) -{ - int pixelFormat = GetPixelFormat((HDC) m_hDC); - PIXELFORMATDESCRIPTOR pfd; - - DescribePixelFormat((HDC) m_hDC, pixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd); - - if (pfd.dwFlags & PFD_NEED_PALETTE) - { - } - else - { - return; - } - - m_palette = palette; - - if ( !m_palette.Ok() ) - { - m_palette = CreateDefaultPalette(); - } - - if (m_palette.Ok()) - { - SelectPalette((HDC) m_hDC, (HPALETTE) m_palette.GetHPALETTE(), FALSE); - RealizePalette((HDC) m_hDC); - } -} - -wxPalette wxGLCanvas::CreateDefaultPalette() -{ - PIXELFORMATDESCRIPTOR pfd; - int paletteSize; - int pixelFormat = GetPixelFormat((HDC) m_hDC); - - DescribePixelFormat((HDC) m_hDC, pixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd); - - paletteSize = 1 << pfd.cColorBits; - - LOGPALETTE* pPal = - (LOGPALETTE*) malloc(sizeof(LOGPALETTE) + paletteSize * sizeof(PALETTEENTRY)); - pPal->palVersion = 0x300; - pPal->palNumEntries = paletteSize; - - /* 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; - } - } - - HPALETTE hPalette = CreatePalette(pPal); - free(pPal); - - wxPalette palette; - palette.SetHPALETTE((WXHPALETTE) hPalette); - - return palette; -} - -void wxGLCanvas::SwapBuffers() -{ - if (m_glContext) - m_glContext->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() -{ - if (m_glContext) - { - m_glContext->SetCurrent(); - } -} - -void wxGLCanvas::SetColour(const char *colour) -{ - if (m_glContext) - m_glContext->SetColour(colour); -} - -// TODO: Have to have this called by parent frame (?) -// 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); -} - -// 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() && - GetPalette()->Ok() && (this != event.GetChangedWindow()) ) - { - ::UnrealizeObject((HPALETTE) GetPalette()->GetHPALETTE()); - ::SelectPalette((HDC) GetHDC(), (HPALETTE) GetPalette()->GetHPALETTE(), FALSE); - ::RealizePalette((HDC) GetHDC()); - Refresh(); - } -} - -/* Give extensions proper function names. */ - -/* EXT_vertex_array */ -void glArrayElementEXT(GLint i) -{ -} - -void glColorPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer) -{ -} - -void glDrawArraysEXT(GLenum mode, GLint first, GLsizei count) -{ -#ifdef GL_EXT_vertex_array - static PFNGLDRAWARRAYSEXTPROC proc = 0; - - if ( !proc ) - { - proc = (PFNGLDRAWARRAYSEXTPROC) wglGetProcAddress("glDrawArraysEXT"); - } - - if ( proc ) - (* proc) (mode, first, count); -#endif -} - -void glEdgeFlagPointerEXT(GLsizei stride, GLsizei count, const GLboolean *pointer) -{ -} - -void glGetPointervEXT(GLenum pname, GLvoid* *params) -{ -} - -void glIndexPointerEXT(GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer) -{ -} - -void glNormalPointerEXT(GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer) -{ -#ifdef GL_EXT_vertex_array - static PFNGLNORMALPOINTEREXTPROC proc = 0; - - if ( !proc ) - { - proc = (PFNGLNORMALPOINTEREXTPROC) wglGetProcAddress("glNormalPointerEXT"); - } - - if ( proc ) - (* proc) (type, stride, count, pointer); -#endif -} - -void glTexCoordPointerEXT(GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer) -{ -} - -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"); - } - - if ( proc ) - (* proc) (size, type, stride, count, pointer); -#endif -} - -/* EXT_color_subtable */ -void glColorSubtableEXT(GLenum target, GLsizei start, GLsizei count, GLenum format, GLenum type, const GLvoid *table) -{ -} - -/* EXT_color_table */ -void glColorTableEXT(GLenum target, GLenum internalformat, GLsizei width, GLenum format, GLenum type, const GLvoid *table) -{ -} - -void glCopyColorTableEXT(GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width) -{ -} - -void glGetColorTableEXT(GLenum target, GLenum format, GLenum type, GLvoid *table) -{ -} - -void glGetColorTableParamaterfvEXT(GLenum target, GLenum pname, GLfloat *params) -{ -} - -void glGetColorTavleParameterivEXT(GLenum target, GLenum pname, GLint *params) -{ -} - -/* SGI_compiled_vertex_array */ -void glLockArraysSGI(GLint first, GLsizei count) -{ -} - -void glUnlockArraysSGI() -{ -} - - -/* SGI_cull_vertex */ -void glCullParameterdvSGI(GLenum pname, GLdouble* params) -{ -} - -void glCullParameterfvSGI(GLenum pname, GLfloat* params) -{ -} - -/* SGI_index_func */ -void glIndexFuncSGI(GLenum func, GLclampf ref) -{ -} - -/* SGI_index_material */ -void glIndexMaterialSGI(GLenum face, GLenum mode) -{ -} - -/* WIN_swap_hint */ -void glAddSwapHintRectWin(GLint x, GLint y, GLsizei width, GLsizei height) -{ -} -