bool OPENGL_PBUFFER::
Create(int width, int height)
{
if (pbuffer) {
LOG::cerr << "Destroying old pbuffer before creating new one" << std::endl;
Destroy();
}
GLint attributes[] = {AGL_RGBA,AGL_DOUBLEBUFFER,AGL_NONE};
AGLPixelFormat format = aglChoosePixelFormat(NULL, 0, attributes);
if(format==NULL){
LOG::cout<<"Could not set up the pixel format"<<std::endl;return false;}
AGLContext context = aglCreateContext(format, NULL);
if(context==NULL){
LOG::cout<<"Could not set up the pbuffer context"<<std::endl;return false;}
aglSetCurrentContext(context);
if(!aglCreatePBuffer(width, height, GL_TEXTURE_2D, GL_RGBA, 0, &pbuffer)){
LOG::cout<<"Error: couldn't create pbuffer"<<std::endl;
LOG::cout<<aglErrorString(aglGetError());
return false;
}
if(!aglSetPBuffer(context, pbuffer, 0, 0, aglGetVirtualScreen(context))){
LOG::cout<<"Error: couldn't set pbuffer"<<std::endl;
LOG::cout<<aglErrorString(aglGetError());
return false;
}
return true; /* Success!! */
}
static void wxLogAGLError(const char *func)
{
const int err = aglGetError();
wxLogError(_("OpenGL function \"%s\" failed: %s (error %d)"),
func, aglErrorString(err), err);
}
bool SkOSWindow::attachGL()
{
if (NULL == fAGLCtx) {
fAGLCtx = create_gl((WindowRef)fHWND);
if (NULL == fAGLCtx) {
return false;
}
}
GLboolean success = true;
int width, height;
success = aglSetWindowRef((AGLContext)fAGLCtx, (WindowRef)fHWND);
width = this->width();
height = this->height();
GLenum err = aglGetError();
if (err) {
SkDebugf("---- aglSetWindowRef %d %d %s [%d %d]\n", success, err,
aglErrorString(err), width, height);
}
if (success) {
glViewport(0, 0, width, height);
glClearColor(0, 0, 0, 0);
glClearStencil(0);
glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
}
return success;
}
int _SYS_AGLTRACE(int err, int line)
{
int ret = aglGetError();
if (ret)
printf("%s(%d) : %s (%d)\n", __FILE__, line, aglErrorString(ret), err);
return err;
}
static void setup_offscreen_gl(const SkBitmap& offscreen, WindowRef wref) {
GLboolean success = true;
#ifdef USE_OFFSCREEN
success = aglSetOffScreen(gAGLContext,
offscreen.width(),
offscreen.height(),
offscreen.rowBytes(),
offscreen.getPixels());
#else
success = aglSetWindowRef(gAGLContext, wref);
#endif
GLenum err = aglGetError();
if (err) {
SkDebugf("---- setoffscreen %d %d %s [%d %d]\n", success, err,
aglErrorString(err), offscreen.width(), offscreen.height());
}
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glHint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
glEnable(GL_TEXTURE_2D);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
}
//проверка ошибок Agl Framework
void check_agl_error (const char* source)
{
GLenum err = aglGetError();
if (AGL_NO_ERROR == err)
return;
throw xtl::format_operation_exception (source, "Agl error. %s", aglErrorString (err));
}
GLboolean glewCreateContext ()
{
int attrib[] = { AGL_RGBA, AGL_NONE };
AGLPixelFormat pf;
/*int major, minor;
SetPortWindowPort(wnd);
aglGetVersion(&major, &minor);
fprintf(stderr, "GL %d.%d\n", major, minor);*/
pf = aglChoosePixelFormat(NULL, 0, attrib);
if (NULL == pf) return GL_TRUE;
ctx = aglCreateContext(pf, NULL);
if (NULL == ctx || AGL_NO_ERROR != aglGetError()) return GL_TRUE;
aglDestroyPixelFormat(pf);
/*aglSetDrawable(ctx, GetWindowPort(wnd));*/
octx = aglGetCurrentContext();
if (NULL == aglSetCurrentContext(ctx)) return GL_TRUE;
return GL_FALSE;
}
void *QGLContext::chooseMacVisual(GDHandle /* handle */)
{
Q_D(QGLContext);
AGLPixelFormat fmt;
fmt = d->tryFormat(d->glFormat);
if (!fmt && d->glFormat.stereo()) {
d->glFormat.setStereo(false);
fmt = d->tryFormat(d->glFormat);
}
if (!fmt && d->glFormat.sampleBuffers()) {
d->glFormat.setSampleBuffers(false);
fmt = d->tryFormat(d->glFormat);
}
if(!fmt)
qWarning("QGLContext::chooseMacVisual: Unable to choose a pixel format (error: %d)",
(int)aglGetError());
return fmt;
}
int printRendererInfo(void)
{
GLenum err;
GDHandle device;
GLuint dnum = 0;
device = GetDeviceList();
while(device)
{
DPRINTF(3,(fp,"\nDevice : %d\n", dnum));
CheckGetRendererInfo(device);
device = GetNextDevice(device);
dnum++;
}
err = aglGetError();
if(err != AGL_NO_ERROR) DPRINTF(3,(fp,"aglGetError - %s\n", aglErrorString(err)));
return 1;
}
bool nglContext::Build(WindowRef Win, const nglContextInfo& rInfo, const nglContext* pShared, bool Fullscreen)
{
mTargetAPI = rInfo.TargetAPI;
#ifndef __NOGLCONTEXT__
mFullscreen = Fullscreen;
std::vector<GLint> attribs;
attribs.push_back(AGL_RGBA);
if (rInfo.FrameCnt != 1)
attribs.push_back(AGL_DOUBLEBUFFER);
attribs.push_back(AGL_DEPTH_SIZE);
attribs.push_back(rInfo.DepthBits);
attribs.push_back(AGL_STENCIL_SIZE);
attribs.push_back(rInfo.StencilBits);
if (rInfo.AuxCnt)
{
attribs.push_back(AGL_AUX_BUFFERS);
attribs.push_back(rInfo.AuxCnt);
}
if (rInfo.AABufferCnt)
{
attribs.push_back(AGL_SAMPLE_BUFFERS_ARB);
attribs.push_back(rInfo.AABufferCnt);
attribs.push_back(AGL_SAMPLES_ARB);
attribs.push_back(rInfo.AASampleCnt);
}
attribs.push_back(AGL_RED_SIZE);
attribs.push_back(rInfo.FrameBitsR);
attribs.push_back(AGL_GREEN_SIZE);
attribs.push_back(rInfo.FrameBitsG);
attribs.push_back(AGL_BLUE_SIZE);
attribs.push_back(rInfo.FrameBitsB);
attribs.push_back(AGL_ALPHA_SIZE);
attribs.push_back(rInfo.FrameBitsA);
attribs.push_back(AGL_PIXEL_SIZE);
attribs.push_back(rInfo.FrameBitsR + rInfo.FrameBitsG + rInfo.FrameBitsB + rInfo.FrameBitsA);
if (rInfo.AccumBitsR || rInfo.AccumBitsG || rInfo.AccumBitsB || rInfo.AccumBitsA)
{
attribs.push_back(AGL_ACCUM_RED_SIZE);
attribs.push_back(rInfo.AccumBitsR);
attribs.push_back(AGL_ACCUM_GREEN_SIZE);
attribs.push_back(rInfo.AccumBitsG);
attribs.push_back(AGL_ACCUM_BLUE_SIZE);
attribs.push_back(rInfo.AccumBitsB);
attribs.push_back(AGL_ACCUM_ALPHA_SIZE);
attribs.push_back(rInfo.AccumBitsA);
}
if (rInfo.Stereo)
attribs.push_back(AGL_STEREO);
attribs.push_back(AGL_MINIMUM_POLICY);
attribs.push_back(AGL_NO_RECOVERY);
if (rInfo.CopyOnSwap)
attribs.push_back(AGL_BACKING_STORE);
attribs.push_back(AGL_NONE);
/* Choose pixel format */
AGLPixelFormat Format = aglChoosePixelFormat(NULL, 0, &attribs[0]);
//NGL_OUT("Pixel Format: 0x%x\n", Format);
if (!Format)
{
if (rInfo.CopyOnSwap)
{
attribs[attribs.size() - 2] = AGL_NONE;
Format = aglChoosePixelFormat(NULL, 0, &attribs[0]);
}
if (!Format)
{
SetError(_T("context"), NGL_CONTEXT_ENOMATCH);
return false;
}
}
//DumpFormat(Format);
/* Create an AGL context */
mCtx = aglCreateContext(Format, pShared?pShared->mCtx:NULL);
long err = aglGetError();
GLint value;
aglDescribePixelFormat(Format, AGL_DOUBLEBUFFER, &value);
mContextInfo.FrameCnt = value ? 2 : 1; ///< Number of frame buffers (two means double-buffering)
aglDescribePixelFormat(Format, AGL_RED_SIZE, (GLint*)&mContextInfo.FrameBitsR); ///< Bits per red component (frame buffer)
aglDescribePixelFormat(Format, AGL_GREEN_SIZE, (GLint*)&mContextInfo.FrameBitsG); ///< Bits per green component (frame buffer)
aglDescribePixelFormat(Format, AGL_BLUE_SIZE, (GLint*)&mContextInfo.FrameBitsB); ///< Bits per blue component (frame buffer)
aglDescribePixelFormat(Format, AGL_ALPHA_SIZE, (GLint*)&mContextInfo.FrameBitsA); ///< Bits per alpha component (frame buffer)
aglDescribePixelFormat(Format, AGL_DEPTH_SIZE, (GLint*)&mContextInfo.DepthBits); ///< Depth buffer resolution (ie. Z buffer, 0 means no Z buffer)
aglDescribePixelFormat(Format, AGL_STENCIL_SIZE, (GLint*)&mContextInfo.StencilBits); ///< Stencil buffer resolution (0 means no stencil)
aglDescribePixelFormat(Format, AGL_ACCUM_RED_SIZE, (GLint*)&mContextInfo.AccumBitsR); ///< Bits per red component (accumulator buffer)
aglDescribePixelFormat(Format, AGL_ACCUM_GREEN_SIZE, (GLint*)&mContextInfo.AccumBitsG); ///< Bits per green component (accumulator buffer)
aglDescribePixelFormat(Format, AGL_ACCUM_BLUE_SIZE, (GLint*)&mContextInfo.AccumBitsB); ///< Bits per blue component (accumulator buffer)
aglDescribePixelFormat(Format, AGL_ACCUM_ALPHA_SIZE, (GLint*)&mContextInfo.AccumBitsA); ///< Bits per alpha component (accumulator buffer)
aglDescribePixelFormat(Format, AGL_AUX_BUFFERS, (GLint*)&mContextInfo.AuxCnt); ///< Number of auxiliary buffers
aglDescribePixelFormat(Format, AGL_SAMPLE_BUFFERS_ARB, (GLint*)&mContextInfo.AABufferCnt); ///< Number of anti-aliasing buffers
aglDescribePixelFormat(Format, AGL_SAMPLES_ARB, (GLint*)&mContextInfo.AASampleCnt); ///< Anti-alisaing oversampling count
aglDescribePixelFormat(Format, AGL_STEREO, &value); ///< Stereoscopic display
mContextInfo.Stereo = value != 0;
mContextInfo.Offscreen = false; ///< This context can render in memory instead of to a window. (false by default).
mContextInfo.RenderToTexture = false; ///< This context must be able to be bound as a texture. (false by default)
aglDescribePixelFormat(Format, AGL_BACKING_STORE, &value); ///< This context must be able to use copy the back buffer to the front buffer instead of swaping them. (false by default)
mContextInfo.CopyOnSwap = value != 0;
if (rInfo.CopyOnSwap && !mContextInfo.CopyOnSwap)
mValidBackBufferRequestedNotGranted = true;
aglDestroyPixelFormat(Format);
if (!mCtx)
{
SetError(_T("context"), NGL_CONTEXT_EGLCTX);
/*
switch (err)
{
case AGL_BAD_MATCH:
NGL_OUT("AGL Error: Bad Context Match (shared context incompatible with requested pixel format).\n");
break;
case AGL_BAD_CONTEXT:
NGL_OUT("AGL Error: Bad Shared Context.\n");
break;
case AGL_BAD_PIXELFMT:
NGL_OUT("AGL Error: Bad Pixel Format.\n");
break;
default:
NGL_OUT("AGL Error: Unknown error\n");
break;
}
*/
return false;
}
/* Attach the context to the window */
if (!aglSetDrawable(mCtx, GetWindowPort (Win)))
{
SetError(_T("context"), NGL_CONTEXT_EBIND);
return false;
}
{
CGLError err = kCGLNoError;
CGLContextObj ctx = CGLGetCurrentContext();
// Enable the multi-threading
//err = CGLEnable( ctx, kCGLCEMPEngine);
if (err != kCGLNoError )
{
// Multi-threaded execution is possibly not available
// Insert your code to take appropriate action
}
}
GLint vsync = rInfo.VerticalSync ? 1 : 0;
aglSetInteger(mCtx, AGL_SWAP_INTERVAL, &vsync);
InitPainter();
MakeCurrent(Win);
#endif
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
return true;
}
TextWriter::TextWriter(int in_x, int in_y, Renderer &in_renderer, bool in_centered, int in_size, std::wstring fontname) :
x(in_x), y(in_y), size(in_size), original_x(0), last_line_height(0), centered(in_centered), renderer(in_renderer)
{
x += renderer.m_xoffset;
original_x = x;
y += renderer.m_yoffset;
#ifdef WIN32
Context c = renderer.m_context;
point_size = MulDiv(size, GetDeviceCaps(c, LOGPIXELSY), 72);
HFONT font = 0;
if (font_size_lookup[in_size] == 0)
{
// Set up the LOGFONT structure
LOGFONT logical_font;
logical_font.lfHeight = get_point_size();
logical_font.lfWidth = 0;
logical_font.lfEscapement = 0;
logical_font.lfOrientation = 0;
logical_font.lfWeight = FW_NORMAL;
logical_font.lfItalic = false;
logical_font.lfUnderline = false;
logical_font.lfStrikeOut = false;
logical_font.lfCharSet = ANSI_CHARSET;
logical_font.lfOutPrecision = OUT_DEFAULT_PRECIS;
logical_font.lfClipPrecision = CLIP_DEFAULT_PRECIS;
logical_font.lfQuality = PROOF_QUALITY;
logical_font.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
lstrcpy(logical_font.lfFaceName, fontname.c_str());
font = CreateFontIndirect(&logical_font);
HFONT previous_font = (HFONT)SelectObject(c, font);
wglUseFontBitmaps(c, 0, 128, next_call_list_start);
font_size_lookup[in_size] = next_call_list_start;
font_handle_lookup[in_size] = font;
next_call_list_start += 130;
SelectObject(c, previous_font);
}
#else
// TODO: is this sufficient?
point_size = size;
if (font_size_lookup[size] == 0)
{
int list_start = glGenLists(128);
// MACNOTE: Force Trebuchet MS. It's what we mostly use anyway, but
// I want to be sure they have it.
const CFStringRef font_name = CFSTR("Trebuchet MS");
ATSFontFamilyRef font = ATSFontFamilyFindFromName(font_name, kATSOptionFlagsDefault);
if (!font) throw PianoGameError(WSTRING(L"Couldn't get ATSFontFamilyRef for font '" << WideFromMacString(font_name) << L"'."));
AGLContext context = aglGetCurrentContext();
if (!context) throw PianoGameError(L"Couldn't retrieve OpenGL context while creating font.");
GLboolean ret = aglUseFont(context, font, normal, size, 0, 128, list_start);
if (ret == GL_FALSE) throw PianoGameError(WSTRING(L"aglUseFont() call failed with error code: " << aglGetError()));
font_size_lookup[size] = list_start;
// Create the ATSU style object that we'll use for calculating text extents and store it for later.
ATSUStyle style;
OSStatus status = ATSUCreateStyle(&style);
if (status != noErr) throw PianoGameError(WSTRING(L"Couldn't create ATSU style. Error code: " << static_cast<int>(status)));
Fixed fixed_size = Long2Fix(size);
ATSUAttributeTag tags[] = { kATSUSizeTag };
ByteCount sizes[] = { sizeof(Fixed) };
ATSUAttributeValuePtr values[] = { &fixed_size };
status = ATSUSetAttributes(style, sizeof(sizes) / sizeof(ByteCount), tags, sizes, values);
if (status != noErr) throw PianoGameError(WSTRING(L"Couldn't set ATSU style attributes. Error code: " << static_cast<int>(status)));
atsu_style_lookup[size] = style;
}
#endif
}
static int RLXAPI CreateSurface(int numberOfSparePages)
{
static GLint attrib[32];
GLint *pAttrib = attrib;
*pAttrib = AGL_RGBA; pAttrib++;
*pAttrib = AGL_DOUBLEBUFFER; pAttrib++;
*pAttrib = AGL_NONE; pAttrib++;
AGLPixelFormat fmt;
GLboolean ok;
g_pRLX->pGX->View.lpBackBuffer = NULL;
/* Choose an rgb pixel format */
GDHandle gdhDisplay;
ok = DMGetGDeviceByDisplayID((DisplayIDType)g_cgDisplayID, &gdhDisplay, false);
SYS_ASSERT(ok == noErr);
fmt = aglChoosePixelFormat(&gdhDisplay, 1, attrib);
SYS_AGLTRACE(0);
if(fmt == NULL)
{
ok = SYS_AGLTRACE(aglGetError());
return -1;
}
/* Create an AGL context */
g_pAGLC = aglCreateContext(fmt, NULL);
SYS_AGLTRACE(0);
if(g_pAGLC == NULL)
return -2;
/* Attach the window to the context */
ok = SYS_AGLTRACE(aglSetDrawable(g_pAGLC, GetWindowPort(g_hWnd)));
if(!ok)
return -3;
/* Make the context the current context */
ok = SYS_AGLTRACE(aglSetCurrentContext(g_pAGLC));
if(!ok)
return -4;
SizeWindow(g_hWnd, gl_lx, gl_ly, true);
if ((g_pRLX->Video.Config & RLXVIDEO_Windowed))
CenterWindow(g_hWnd);
ShowWindow(g_hWnd);
// copy portRect
GetPortBounds(GetWindowPort(g_hWnd), g_pRect);
/* Pixel format is no more needed */
aglDestroyPixelFormat(fmt);
if (!(g_pRLX->Video.Config & RLXVIDEO_Windowed))
{
HideMenuBar();
aglSetFullScreen(g_pAGLC, 0, 0, 0, 0);
GLint swap = !!(g_pRLX->pGX->View.Flags & GX_CAPS_VSYNC);
aglSetInteger(g_pAGLC, AGL_SWAP_INTERVAL, &swap);
SYS_AGLTRACE(0);
}
// Reset engine
GL_InstallExtensions();
GL_ResetViewport();
g_pRLX->pGX->Surfaces.maxSurface = numberOfSparePages;;
if (g_pRLX->pGX->View.Flags & GX_CAPS_MULTISAMPLING)
{
glEnable(GL_MULTISAMPLE_ARB);
}
return 0;
}
int _glfwPlatformOpenWindow( int width, int height,
const _GLFWwndconfig *wndconfig,
const _GLFWfbconfig *fbconfig )
{
OSStatus error;
unsigned int windowAttributes;
ProcessSerialNumber psn;
// TODO: Break up this function!
_glfwWin.windowUPP = NULL;
_glfwWin.mouseUPP = NULL;
_glfwWin.keyboardUPP = NULL;
_glfwWin.commandUPP = NULL;
_glfwWin.window = NULL;
_glfwWin.aglContext = NULL;
_glfwWin.aglPixelFormat = NULL;
_glfwWin.cglContext = NULL;
_glfwWin.cglPixelFormat = NULL;
_glfwWin.refreshRate = wndconfig->refreshRate;
// Fail if OpenGL 3.0 or above was requested
if( wndconfig->glMajor > 2 )
{
fprintf( stderr, "OpenGL 3.0+ is not yet supported on Mac OS X\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
if( _glfwLibrary.Unbundled )
{
if( GetCurrentProcess( &psn ) != noErr )
{
fprintf( stderr, "Failed to get the process serial number\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
if( TransformProcessType( &psn, kProcessTransformToForegroundApplication ) != noErr )
{
fprintf( stderr, "Failed to become a foreground application\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
if( wndconfig->mode == GLFW_FULLSCREEN )
{
if( SetFrontProcess( &psn ) != noErr )
{
fprintf( stderr, "Failed to become the front process\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
}
}
if( !installEventHandlers() )
{
fprintf( stderr,
"Failed to install Carbon application event handlers\n" );
_glfwPlatformTerminate();
return GL_FALSE;
}
// Windowed or fullscreen; AGL or CGL? Quite the mess...
// AGL appears to be the only choice for attaching OpenGL contexts to
// Carbon windows, but it leaves the user no control over fullscreen
// mode stretching. Solution: AGL for windowed, CGL for fullscreen.
if( wndconfig->mode == GLFW_WINDOW )
{
// create AGL pixel format attribute list
GLint AGLpixelFormatAttributes[256];
int numAGLAttrs = 0;
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_RGBA;
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_DOUBLEBUFFER;
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_CLOSEST_POLICY;
if( fbconfig->stereo )
{
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_STEREO;
}
_setAGLAttribute( AGL_AUX_BUFFERS, fbconfig->auxBuffers);
_setAGLAttribute( AGL_RED_SIZE, fbconfig->redBits );
_setAGLAttribute( AGL_GREEN_SIZE, fbconfig->greenBits );
_setAGLAttribute( AGL_BLUE_SIZE, fbconfig->blueBits );
_setAGLAttribute( AGL_ALPHA_SIZE, fbconfig->alphaBits );
_setAGLAttribute( AGL_DEPTH_SIZE, fbconfig->depthBits );
_setAGLAttribute( AGL_STENCIL_SIZE, fbconfig->stencilBits );
_setAGLAttribute( AGL_ACCUM_RED_SIZE, fbconfig->accumRedBits );
_setAGLAttribute( AGL_ACCUM_GREEN_SIZE, fbconfig->accumGreenBits );
_setAGLAttribute( AGL_ACCUM_BLUE_SIZE, fbconfig->accumBlueBits );
_setAGLAttribute( AGL_ACCUM_ALPHA_SIZE, fbconfig->accumAlphaBits );
if( fbconfig->samples > 1 )
{
_setAGLAttribute( AGL_SAMPLE_BUFFERS_ARB, 1 );
_setAGLAttribute( AGL_SAMPLES_ARB, fbconfig->samples );
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_NO_RECOVERY;
}
AGLpixelFormatAttributes[numAGLAttrs++] = AGL_NONE;
// create pixel format descriptor
AGLDevice mainMonitor = GetMainDevice();
_glfwWin.aglPixelFormat = aglChoosePixelFormat( &mainMonitor,
1,
AGLpixelFormatAttributes );
if( _glfwWin.aglPixelFormat == NULL )
{
fprintf( stderr,
"Failed to choose AGL pixel format: %s\n",
aglErrorString( aglGetError() ) );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// create AGL context
_glfwWin.aglContext = aglCreateContext( _glfwWin.aglPixelFormat, NULL );
if( _glfwWin.aglContext == NULL )
{
fprintf( stderr,
"Failed to create AGL context: %s\n",
aglErrorString( aglGetError() ) );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// create window
Rect windowContentBounds;
windowContentBounds.left = 0;
windowContentBounds.top = 0;
windowContentBounds.right = width;
windowContentBounds.bottom = height;
windowAttributes = ( kWindowCloseBoxAttribute |
kWindowCollapseBoxAttribute |
kWindowStandardHandlerAttribute );
if( wndconfig->windowNoResize )
{
windowAttributes |= kWindowLiveResizeAttribute;
}
else
{
windowAttributes |= ( kWindowFullZoomAttribute |
kWindowResizableAttribute );
}
error = CreateNewWindow( kDocumentWindowClass,
windowAttributes,
&windowContentBounds,
&( _glfwWin.window ) );
if( ( error != noErr ) || ( _glfwWin.window == NULL ) )
{
fprintf( stderr, "Failed to create Carbon window\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
_glfwWin.windowUPP = NewEventHandlerUPP( windowEventHandler );
error = InstallWindowEventHandler( _glfwWin.window,
_glfwWin.windowUPP,
GetEventTypeCount( GLFW_WINDOW_EVENT_TYPES ),
GLFW_WINDOW_EVENT_TYPES,
NULL,
NULL );
if( error != noErr )
{
fprintf( stderr, "Failed to install Carbon window event handler\n" );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// Don't care if we fail here
(void)SetWindowTitleWithCFString( _glfwWin.window, CFSTR( "GLFW Window" ) );
(void)RepositionWindow( _glfwWin.window,
NULL,
kWindowCenterOnMainScreen );
if( !aglSetDrawable( _glfwWin.aglContext,
GetWindowPort( _glfwWin.window ) ) )
{
fprintf( stderr,
"Failed to set the AGL context as the Carbon window drawable: %s\n",
aglErrorString( aglGetError() ) );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// Make OpenGL context current
if( !aglSetCurrentContext( _glfwWin.aglContext ) )
{
fprintf( stderr,
"Failed to make AGL context current: %s\n",
aglErrorString( aglGetError() ) );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
ShowWindow( _glfwWin.window );
}
else
{
CGDisplayErr cgErr;
CGLError cglErr;
CFDictionaryRef optimalMode;
GLint numCGLvs = 0;
CGLPixelFormatAttribute CGLpixelFormatAttributes[64];
int numCGLAttrs = 0;
// variables for enumerating color depths
GLint rgbColorDepth;
// CGL pixel format attributes
_setCGLAttribute( kCGLPFADisplayMask,
CGDisplayIDToOpenGLDisplayMask( kCGDirectMainDisplay ) );
if( fbconfig->stereo )
{
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFAStereo;
}
if( fbconfig->samples > 1 )
{
_setCGLAttribute( kCGLPFASamples, (CGLPixelFormatAttribute)fbconfig->samples );
_setCGLAttribute( kCGLPFASampleBuffers, (CGLPixelFormatAttribute)1 );
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFANoRecovery;
}
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFAFullScreen;
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFADoubleBuffer;
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFAAccelerated;
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFANoRecovery;
CGLpixelFormatAttributes[ numCGLAttrs++ ] = kCGLPFAMinimumPolicy;
_setCGLAttribute( kCGLPFAAccumSize,
(CGLPixelFormatAttribute)( fbconfig->accumRedBits \
+ fbconfig->accumGreenBits \
+ fbconfig->accumBlueBits \
+ fbconfig->accumAlphaBits ) );
_setCGLAttribute( kCGLPFAAlphaSize, (CGLPixelFormatAttribute)fbconfig->alphaBits );
_setCGLAttribute( kCGLPFADepthSize, (CGLPixelFormatAttribute)fbconfig->depthBits );
_setCGLAttribute( kCGLPFAStencilSize, (CGLPixelFormatAttribute)fbconfig->stencilBits );
_setCGLAttribute( kCGLPFAAuxBuffers, (CGLPixelFormatAttribute)fbconfig->auxBuffers );
CGLpixelFormatAttributes[ numCGLAttrs++ ] = (CGLPixelFormatAttribute)NULL;
// create a suitable pixel format with above attributes..
cglErr = CGLChoosePixelFormat( CGLpixelFormatAttributes,
&_glfwWin.cglPixelFormat,
&numCGLvs );
if( cglErr != kCGLNoError )
{
fprintf( stderr,
"Failed to choose CGL pixel format: %s\n",
CGLErrorString( cglErr ) );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// ..and create a rendering context using that pixel format
cglErr = CGLCreateContext( _glfwWin.cglPixelFormat, NULL, &_glfwWin.cglContext );
if( cglErr != kCGLNoError )
{
fprintf( stderr,
"Failed to create CGL context: %s\n",
CGLErrorString( cglErr ) );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// enumerate depth of RGB channels - unlike AGL, CGL works with
// a single parameter reflecting the full depth of the frame buffer
(void)CGLDescribePixelFormat( _glfwWin.cglPixelFormat,
0,
kCGLPFAColorSize,
&rgbColorDepth );
// capture the display for our application
cgErr = CGCaptureAllDisplays();
if( cgErr != kCGErrorSuccess )
{
fprintf( stderr,
"Failed to capture Core Graphics displays\n");
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// find closest matching NON-STRETCHED display mode..
optimalMode = CGDisplayBestModeForParametersAndRefreshRateWithProperty(
kCGDirectMainDisplay,
rgbColorDepth,
width,
height,
wndconfig->refreshRate,
NULL,
NULL );
if( optimalMode == NULL )
{
fprintf( stderr,
"Failed to retrieve Core Graphics display mode\n");
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// ..and switch to that mode
cgErr = CGDisplaySwitchToMode( kCGDirectMainDisplay, optimalMode );
if( cgErr != kCGErrorSuccess )
{
fprintf( stderr,
"Failed to switch to Core Graphics display mode\n");
_glfwPlatformCloseWindow();
return GL_FALSE;
}
// switch to our OpenGL context, and bring it up fullscreen
cglErr = CGLSetCurrentContext( _glfwWin.cglContext );
if( cglErr != kCGLNoError )
{
fprintf( stderr,
"Failed to make CGL context current: %s\n",
CGLErrorString( cglErr ) );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
cglErr = CGLSetFullScreen( _glfwWin.cglContext );
if( cglErr != kCGLNoError )
{
fprintf( stderr,
"Failed to set CGL fullscreen mode: %s\n",
CGLErrorString( cglErr ) );
_glfwPlatformCloseWindow();
return GL_FALSE;
}
}
return GL_TRUE;
}
/*****************************************************************************
QGLContext AGL-specific code
*****************************************************************************/
bool QGLContext::chooseContext(const QGLContext* shareContext)
{
Q_D(QGLContext);
d->cx = 0;
d->vi = chooseMacVisual(0);
if(!d->vi)
return false;
AGLPixelFormat fmt = (AGLPixelFormat)d->vi;
GLint res;
aglDescribePixelFormat(fmt, AGL_LEVEL, &res);
d->glFormat.setPlane(res);
if(deviceIsPixmap())
res = 0;
else
aglDescribePixelFormat(fmt, AGL_DOUBLEBUFFER, &res);
d->glFormat.setDoubleBuffer(res);
aglDescribePixelFormat(fmt, AGL_DEPTH_SIZE, &res);
d->glFormat.setDepth(res);
if (d->glFormat.depth())
d->glFormat.setDepthBufferSize(res);
aglDescribePixelFormat(fmt, AGL_RGBA, &res);
d->glFormat.setRgba(res);
aglDescribePixelFormat(fmt, AGL_RED_SIZE, &res);
d->glFormat.setRedBufferSize(res);
aglDescribePixelFormat(fmt, AGL_GREEN_SIZE, &res);
d->glFormat.setGreenBufferSize(res);
aglDescribePixelFormat(fmt, AGL_BLUE_SIZE, &res);
d->glFormat.setBlueBufferSize(res);
aglDescribePixelFormat(fmt, AGL_ALPHA_SIZE, &res);
d->glFormat.setAlpha(res);
if (d->glFormat.alpha())
d->glFormat.setAlphaBufferSize(res);
aglDescribePixelFormat(fmt, AGL_ACCUM_RED_SIZE, &res);
// Bug in Apple OpenGL (rdr://5015603), when we don't have an accumulation
// buffer, it still claims that we have a 16-bit one (which is pretty rare).
// So, we just assume we can never have a buffer that small.
d->glFormat.setAccum(res > 5);
if (d->glFormat.accum())
d->glFormat.setAccumBufferSize(res);
aglDescribePixelFormat(fmt, AGL_STENCIL_SIZE, &res);
d->glFormat.setStencil(res);
if (d->glFormat.stencil())
d->glFormat.setStencilBufferSize(res);
aglDescribePixelFormat(fmt, AGL_STEREO, &res);
d->glFormat.setStereo(res);
aglDescribePixelFormat(fmt, AGL_SAMPLE_BUFFERS_ARB, &res);
d->glFormat.setSampleBuffers(res);
if (d->glFormat.sampleBuffers()) {
aglDescribePixelFormat(fmt, AGL_SAMPLES_ARB, &res);
d->glFormat.setSamples(res);
}
if(shareContext && (!shareContext->isValid() || !shareContext->d_func()->cx)) {
qWarning("QGLContext::chooseContext(): Cannot share with invalid context");
shareContext = 0;
}
// sharing between rgba and color-index will give wrong colors
if(shareContext && (format().rgba() != shareContext->format().rgba()))
shareContext = 0;
AGLContext ctx = aglCreateContext(fmt, (AGLContext) (shareContext ? shareContext->d_func()->cx : 0));
if(!ctx) {
GLenum err = aglGetError();
if(err == AGL_BAD_MATCH || err == AGL_BAD_CONTEXT) {
if(shareContext && shareContext->d_func()->cx) {
qWarning("QGLContext::chooseContext(): Context sharing mismatch!");
if(!(ctx = aglCreateContext(fmt, 0)))
return false;
shareContext = 0;
}
}
if(!ctx) {
qWarning("QGLContext::chooseContext(): Unable to create QGLContext");
return false;
}
}
d->cx = ctx;
if (shareContext && shareContext->d_func()->cx) {
QGLContext *share = const_cast<QGLContext *>(shareContext);
d->sharing = true;
share->d_func()->sharing = true;
}
if(deviceIsPixmap())
updatePaintDevice();
// vblank syncing
GLint interval = d->reqFormat.swapInterval();
if (interval != -1) {
aglSetInteger((AGLContext)d->cx, AGL_SWAP_INTERVAL, &interval);
if (interval != 0)
aglEnable((AGLContext)d->cx, AGL_SWAP_INTERVAL);
else
aglDisable((AGLContext)d->cx, AGL_SWAP_INTERVAL);
}
aglGetInteger((AGLContext)d->cx, AGL_SWAP_INTERVAL, &interval);
d->glFormat.setSwapInterval(interval);
return true;
}
static AGLContext createContext(WindowRef window) {
AGLPixelFormat pf;
AGLContext ctx;
GDHandle gdh;
CFDictionaryRef refMode;
GLenum error;
CGDirectDisplayID mainDisplay = CGMainDisplayID();
GLint attrs[] = {
AGL_RGBA,
AGL_DOUBLEBUFFER,
AGL_RED_SIZE, 4,
AGL_GREEN_SIZE, 4,
AGL_BLUE_SIZE, 4,
AGL_DEPTH_SIZE, 16,
AGL_NONE
};
GLint fullscreen_attrs[] = {
AGL_FULLSCREEN,
AGL_RGBA,
AGL_DOUBLEBUFFER,
AGL_RED_SIZE, 4,
AGL_GREEN_SIZE, 4,
AGL_BLUE_SIZE, 4,
AGL_DEPTH_SIZE, 16,
AGL_NONE
};
g_Window.double_buffered = true;
if (!g_Window.fs) {
pf = aglChoosePixelFormat(NULL, 0, attrs);
} else {
CGDisplayCapture(mainDisplay);
refMode = CGDisplayBestModeForParameters(mainDisplay, 32,
g_Window.width, g_Window.height, NULL);
CGDisplaySwitchToMode(mainDisplay, refMode);
DMGetGDeviceByDisplayID(mainDisplay, &gdh, false);
pf = aglChoosePixelFormat(&gdh, 1, fullscreen_attrs);
error = aglGetError();
if (error != AGL_NO_ERROR) {
printf("%s\n", aglErrorString(error));
return 0;
}
}
if (!pf) {
printf("Error choosing pixel format\n");
return 0;
}
ctx = aglCreateContext(pf, 0);
if (!ctx) {
printf("%s\n", aglErrorString(aglGetError()));
return 0;
}
aglDestroyPixelFormat(pf);
aglSetCurrentContext(ctx);
if (g_Window.fs) {
aglSetFullScreen(ctx, g_Window.width, g_Window.height, 0, 0);
} else {
aglSetWindowRef(ctx, window);
}
return ctx;
}
