* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+#define FREEGLUT_BUILDING_LIB
#include <GL/freeglut.h>
#include "freeglut_internal.h"
#endif /* defined(_WIN32_WCE) */
+/* pushing attribute/value pairs into an array */
+#define ATTRIB(a) attributes[where++]=(a)
+#define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);}
+
/*
* TODO BEFORE THE STABLE RELEASE:
*
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
-/*
- * Chooses a visual basing on the current display mode settings
- */
-#if TARGET_HOST_POSIX_X11
+static int fghIsLegacyContextVersionRequested( void )
+{
+ return fgState.MajorVersion == 1 && fgState.MinorVersion == 0;
+}
-GLXFBConfig* fgChooseFBConfig( void )
+static int fghIsLegacyContextRequested( void )
+{
+ return fghIsLegacyContextVersionRequested() &&
+ fgState.ContextFlags == 0 &&
+ fgState.ContextProfile == 0;
+}
+
+static int fghNumberOfAuxBuffersRequested( void )
+{
+ if ( fgState.DisplayMode & GLUT_AUX4 ) {
+ return 4;
+ }
+ if ( fgState.DisplayMode & GLUT_AUX3 ) {
+ return 3;
+ }
+ if ( fgState.DisplayMode & GLUT_AUX2 ) {
+ return 2;
+ }
+ if ( fgState.DisplayMode & GLUT_AUX1 ) { /* NOTE: Same as GLUT_AUX! */
+ return fgState.AuxiliaryBufferNumber;
+ }
+ return 0;
+}
+
+static int fghMapBit( int mask, int from, int to )
{
- GLboolean wantIndexedMode = GL_FALSE;
- int attributes[ 32 ];
- int where = 0;
+ return ( mask & from ) ? to : 0;
+
+}
+
+static void fghContextCreationError( void )
+{
+ fgError( "Unable to create OpenGL %d.%d context (flags %x, profile %x)",
+ fgState.MajorVersion, fgState.MinorVersion, fgState.ContextFlags,
+ fgState.ContextProfile );
+}
- /* First we have to process the display mode settings... */
/*
- * XXX Why is there a semi-colon in this #define? The code
- * XXX that uses the macro seems to always add more semicolons...
+ * Chooses a visual basing on the current display mode settings
*/
-#define ATTRIB(a) attributes[where++]=a;
-#define ATTRIB_VAL(a,v) {ATTRIB(a); ATTRIB(v);}
+#if TARGET_HOST_POSIX_X11
- if( fgState.DisplayMode & GLUT_INDEX )
- {
- ATTRIB_VAL( GLX_BUFFER_SIZE, 8 );
- /* Buffer size is selected later. */
+#ifndef GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB
+#define GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20B2
+#endif
- ATTRIB_VAL( GLX_RENDER_TYPE, GLX_COLOR_INDEX_BIT );
- wantIndexedMode = GL_TRUE;
- }
- else
- {
- ATTRIB_VAL( GLX_RED_SIZE, 1 );
- ATTRIB_VAL( GLX_GREEN_SIZE, 1 );
- ATTRIB_VAL( GLX_BLUE_SIZE, 1 );
- if( fgState.DisplayMode & GLUT_ALPHA )
- ATTRIB_VAL( GLX_ALPHA_SIZE, 1 );
+GLXFBConfig* fgChooseFBConfig( void )
+{
+ GLboolean wantIndexedMode = GL_FALSE;
+ int attributes[ 100 ];
+ int where = 0, numAuxBuffers;
+
+ /* First we have to process the display mode settings... */
+ if( fgState.DisplayMode & GLUT_INDEX ) {
+ ATTRIB_VAL( GLX_BUFFER_SIZE, 8 );
+ /* Buffer size is selected later. */
+
+ ATTRIB_VAL( GLX_RENDER_TYPE, GLX_COLOR_INDEX_BIT );
+ wantIndexedMode = GL_TRUE;
+ } else {
+ ATTRIB_VAL( GLX_RED_SIZE, 1 );
+ ATTRIB_VAL( GLX_GREEN_SIZE, 1 );
+ ATTRIB_VAL( GLX_BLUE_SIZE, 1 );
+ if( fgState.DisplayMode & GLUT_ALPHA ) {
+ ATTRIB_VAL( GLX_ALPHA_SIZE, 1 );
}
+ }
- if( fgState.DisplayMode & GLUT_DOUBLE )
- ATTRIB_VAL( GLX_DOUBLEBUFFER, True );
+ if( fgState.DisplayMode & GLUT_DOUBLE ) {
+ ATTRIB_VAL( GLX_DOUBLEBUFFER, True );
+ }
- if( fgState.DisplayMode & GLUT_STEREO )
- ATTRIB_VAL( GLX_STEREO, True );
+ if( fgState.DisplayMode & GLUT_STEREO ) {
+ ATTRIB_VAL( GLX_STEREO, True );
+ }
- if( fgState.DisplayMode & GLUT_DEPTH )
- ATTRIB_VAL( GLX_DEPTH_SIZE, 1 );
+ if( fgState.DisplayMode & GLUT_DEPTH ) {
+ ATTRIB_VAL( GLX_DEPTH_SIZE, 1 );
+ }
- if( fgState.DisplayMode & GLUT_STENCIL )
- ATTRIB_VAL( GLX_STENCIL_SIZE, 1 );
+ if( fgState.DisplayMode & GLUT_STENCIL ) {
+ ATTRIB_VAL( GLX_STENCIL_SIZE, 1 );
+ }
- if( fgState.DisplayMode & GLUT_ACCUM )
- {
- ATTRIB_VAL( GLX_ACCUM_RED_SIZE, 1 );
- ATTRIB_VAL( GLX_ACCUM_GREEN_SIZE, 1 );
- ATTRIB_VAL( GLX_ACCUM_BLUE_SIZE, 1 );
- if( fgState.DisplayMode & GLUT_ALPHA )
- ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 );
+ if( fgState.DisplayMode & GLUT_ACCUM ) {
+ ATTRIB_VAL( GLX_ACCUM_RED_SIZE, 1 );
+ ATTRIB_VAL( GLX_ACCUM_GREEN_SIZE, 1 );
+ ATTRIB_VAL( GLX_ACCUM_BLUE_SIZE, 1 );
+ if( fgState.DisplayMode & GLUT_ALPHA ) {
+ ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 );
}
+ }
- if ((fgState.DisplayMode & GLUT_AUX)
- || (fgState.DisplayMode & GLUT_AUX1)
- || (fgState.DisplayMode & GLUT_AUX2)
- || (fgState.DisplayMode & GLUT_AUX3)
- || (fgState.DisplayMode & GLUT_AUX4))
- {
- ATTRIB_VAL(GLX_AUX_BUFFERS, fgState.AuxiliaryBufferNumber)
- }
+ numAuxBuffers = fghNumberOfAuxBuffersRequested();
+ if ( numAuxBuffers > 0 ) {
+ ATTRIB_VAL( GLX_AUX_BUFFERS, numAuxBuffers );
+ }
- if (fgState.DisplayMode & GLUT_MULTISAMPLE)
- {
- ATTRIB_VAL(GLX_SAMPLE_BUFFERS, 1)
- ATTRIB_VAL(GLX_SAMPLES, fgState.SampleNumber)
- }
+ if( fgState.DisplayMode & GLUT_SRGB ) {
+ ATTRIB_VAL( GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB, True );
+ }
- /* Push a null at the end of the list */
- ATTRIB( None );
+ if (fgState.DisplayMode & GLUT_MULTISAMPLE) {
+ ATTRIB_VAL(GLX_SAMPLE_BUFFERS, 1);
+ ATTRIB_VAL(GLX_SAMPLES, fgState.SampleNumber);
+ }
+
+ /* Push a terminator at the end of the list */
+ ATTRIB( None );
{
GLXFBConfig * fbconfigArray; /* Array of FBConfigs */
#define WGL_SAMPLE_BUFFERS_ARB 0x2041
#define WGL_SAMPLES_ARB 0x2042
+#define WGL_TYPE_RGBA_FLOAT_ARB 0x21A0
-GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
- unsigned char layer_type )
-{
-#if defined(_WIN32_WCE)
- return GL_TRUE;
-#else
- PIXELFORMATDESCRIPTOR* ppfd, pfd;
- int flags, pixelformat;
+#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20A9
- freeglut_return_val_if_fail( window != NULL, 0 );
- flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
- if( fgState.DisplayMode & GLUT_DOUBLE )
- flags |= PFD_DOUBLEBUFFER;
+#ifndef WGL_ARB_create_context
+#define WGL_ARB_create_context 1
+#ifdef WGL_WGLEXT_PROTOTYPES
+extern HGLRC WINAPI wglCreateContextAttribsARB (HDC, HGLRC, const int *);
+#endif /* WGL_WGLEXT_PROTOTYPES */
+typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList);
- if( fgState.DisplayMode & GLUT_STEREO )
- flags |= PFD_STEREO;
+#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
+#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
+#define WGL_CONTEXT_LAYER_PLANE_ARB 0x2093
+#define WGL_CONTEXT_FLAGS_ARB 0x2094
+#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
-#if defined(_MSC_VER)
-#pragma message( "fgSetupPixelFormat(): there is still some work to do here!" )
+#define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001
+#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
+
+#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
+#define WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
+
+#define ERROR_INVALID_VERSION_ARB 0x2095
+#define ERROR_INVALID_PROFILE_ARB 0x2096
#endif
- /* Specify which pixel format do we opt for... */
- pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
- pfd.nVersion = 1;
- pfd.dwFlags = flags;
+static void fghFillContextAttributes( int *attributes ) {
+ int where = 0, contextFlags, contextProfile;
- if( fgState.DisplayMode & GLUT_INDEX )
+ if ( !fghIsLegacyContextVersionRequested() ) {
+ ATTRIB_VAL( WGL_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion );
+ ATTRIB_VAL( WGL_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion );
+ }
+
+ contextFlags =
+ fghMapBit( fgState.ContextFlags, GLUT_DEBUG, WGL_CONTEXT_DEBUG_BIT_ARB ) |
+ fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB );
+ if ( contextFlags != 0 ) {
+ ATTRIB_VAL( WGL_CONTEXT_FLAGS_ARB, contextFlags );
+ }
+
+ contextProfile =
+ fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, WGL_CONTEXT_CORE_PROFILE_BIT_ARB ) |
+ fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB );
+ if ( contextProfile != 0 ) {
+ ATTRIB_VAL( WGL_CONTEXT_PROFILE_MASK_ARB, contextProfile );
+ }
+
+ ATTRIB( 0 );
+}
+
+static int fghIsExtensionSupported( HDC hdc, const char *extension ) {
+ const char *pWglExtString;
+ PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB =
+ (PFNWGLGETEXTENSIONSSTRINGARBPROC) wglGetProcAddress("wglGetExtensionsStringARB");
+ if ( wglGetEntensionsStringARB == NULL )
{
- pfd.iPixelType = PFD_TYPE_COLORINDEX;
- pfd.cRedBits = 0;
- pfd.cGreenBits = 0;
- pfd.cBlueBits = 0;
- pfd.cAlphaBits = 0;
+ return FALSE;
}
- else
+ pWglExtString = wglGetEntensionsStringARB( hdc );
+ return ( pWglExtString != NULL ) && ( strstr(pWglExtString, extension) != NULL );
+}
+
+void fgNewWGLCreateContext( SFG_Window* window )
+{
+ HGLRC context;
+ int attributes[9];
+ PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
+
+ /* If nothing fancy has been required, leave the context as it is */
+ if ( fghIsLegacyContextRequested() )
{
- pfd.iPixelType = PFD_TYPE_RGBA;
- pfd.cRedBits = 8;
- pfd.cGreenBits = 8;
- pfd.cBlueBits = 8;
- if ( fgState.DisplayMode & GLUT_ALPHA )
- pfd.cAlphaBits = 8;
- else
- pfd.cAlphaBits = 0;
+ return;
}
- pfd.cColorBits = 24;
- pfd.cRedShift = 0;
- pfd.cGreenShift = 0;
- pfd.cBlueShift = 0;
- pfd.cAlphaShift = 0;
- pfd.cAccumBits = 0;
- pfd.cAccumRedBits = 0;
- pfd.cAccumGreenBits = 0;
- pfd.cAccumBlueBits = 0;
- pfd.cAccumAlphaBits = 0;
-#if 0
- pfd.cDepthBits = 32;
- pfd.cStencilBits = 0;
-#else
- pfd.cDepthBits = 24;
- pfd.cStencilBits = 8;
+ wglMakeCurrent( window->Window.Device, window->Window.Context );
+
+ if ( !fghIsExtensionSupported( window->Window.Device, "WGL_ARB_create_context" ) )
+ {
+ return;
+ }
+
+ /* new context creation */
+ fghFillContextAttributes( attributes );
+
+ wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) wglGetProcAddress( "wglCreateContextAttribsARB" );
+ if ( wglCreateContextAttribsARB == NULL )
+ {
+ fgError( "wglCreateContextAttribsARB not found" );
+ }
+
+ context = wglCreateContextAttribsARB( window->Window.Device, 0, attributes );
+ if ( context == NULL )
+ {
+ fghContextCreationError();
+ }
+
+ wglMakeCurrent( NULL, NULL );
+ wglDeleteContext( window->Window.Context );
+ window->Window.Context = context;
+}
+
+#if !defined(_WIN32_WCE)
+
+static void fghFillPFD( PIXELFORMATDESCRIPTOR *ppfd, HDC hdc, unsigned char layer_type )
+{
+ int flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
+ if ( fgState.DisplayMode & GLUT_DOUBLE ) {
+ flags |= PFD_DOUBLEBUFFER;
+ }
+ if ( fgState.DisplayMode & GLUT_STEREO ) {
+ flags |= PFD_STEREO;
+ }
+
+#if defined(_MSC_VER)
+#pragma message( "fgSetupPixelFormat(): there is still some work to do here!" )
#endif
- if( fgState.DisplayMode & GLUT_AUX4 )
- pfd.cAuxBuffers = 4;
- else if( fgState.DisplayMode & GLUT_AUX3 )
- pfd.cAuxBuffers = 3;
- else if( fgState.DisplayMode & GLUT_AUX2 )
- pfd.cAuxBuffers = 2;
- else if( fgState.DisplayMode & GLUT_AUX1 )
- pfd.cAuxBuffers = 1;
- else
- pfd.cAuxBuffers = 0;
- pfd.iLayerType = layer_type;
- pfd.bReserved = 0;
- pfd.dwLayerMask = 0;
- pfd.dwVisibleMask = 0;
- pfd.dwDamageMask = 0;
+ /* Specify which pixel format do we opt for... */
+ ppfd->nSize = sizeof(PIXELFORMATDESCRIPTOR);
+ ppfd->nVersion = 1;
+ ppfd->dwFlags = flags;
+
+ if( fgState.DisplayMode & GLUT_INDEX ) {
+ ppfd->iPixelType = PFD_TYPE_COLORINDEX;
+ ppfd->cRedBits = 0;
+ ppfd->cGreenBits = 0;
+ ppfd->cBlueBits = 0;
+ ppfd->cAlphaBits = 0;
+ } else {
+ ppfd->iPixelType = PFD_TYPE_RGBA;
+ ppfd->cRedBits = 8;
+ ppfd->cGreenBits = 8;
+ ppfd->cBlueBits = 8;
+ ppfd->cAlphaBits = ( fgState.DisplayMode & GLUT_ALPHA ) ? 8 : 0;
+ }
+
+ ppfd->cColorBits = 24;
+ ppfd->cRedShift = 0;
+ ppfd->cGreenShift = 0;
+ ppfd->cBlueShift = 0;
+ ppfd->cAlphaShift = 0;
+ ppfd->cAccumBits = 0;
+ ppfd->cAccumRedBits = 0;
+ ppfd->cAccumGreenBits = 0;
+ ppfd->cAccumBlueBits = 0;
+ ppfd->cAccumAlphaBits = 0;
+
+ /* Hmmm, or 32/0 instead of 24/8? */
+ ppfd->cDepthBits = 24;
+ ppfd->cStencilBits = 8;
+
+ ppfd->cAuxBuffers = fghNumberOfAuxBuffersRequested();
+ ppfd->iLayerType = layer_type;
+ ppfd->bReserved = 0;
+ ppfd->dwLayerMask = 0;
+ ppfd->dwVisibleMask = 0;
+ ppfd->dwDamageMask = 0;
+
+ ppfd->cColorBits = (BYTE) GetDeviceCaps( hdc, BITSPIXEL );
+}
+
+static void fghFillPixelFormatAttributes( int *attributes, const PIXELFORMATDESCRIPTOR *ppfd )
+{
+ int where = 0;
+
+ ATTRIB_VAL( WGL_DRAW_TO_WINDOW_ARB, GL_TRUE );
+ ATTRIB_VAL( WGL_SUPPORT_OPENGL_ARB, GL_TRUE );
+ ATTRIB_VAL( WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB );
+
+ ATTRIB_VAL( WGL_COLOR_BITS_ARB, ppfd->cColorBits );
+ ATTRIB_VAL( WGL_ALPHA_BITS_ARB, ppfd->cAlphaBits );
+ ATTRIB_VAL( WGL_DEPTH_BITS_ARB, ppfd->cDepthBits );
+ ATTRIB_VAL( WGL_STENCIL_BITS_ARB, ppfd->cStencilBits );
- pfd.cColorBits = (BYTE) GetDeviceCaps( window->Window.Device, BITSPIXEL );
- ppfd = &pfd;
+ ATTRIB_VAL( WGL_DOUBLE_BUFFER_ARB, ( fgState.DisplayMode & GLUT_DOUBLE ) != 0 );
+ if ( fgState.DisplayMode & GLUT_SRGB ) {
+ ATTRIB_VAL( WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB, TRUE );
+ }
+
+ ATTRIB_VAL( WGL_SAMPLE_BUFFERS_ARB, GL_TRUE );
+ ATTRIB_VAL( WGL_SAMPLES_ARB, fgState.SampleNumber );
+ ATTRIB( 0 );
+}
+#endif
+
+GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
+ unsigned char layer_type )
+{
+#if defined(_WIN32_WCE)
+ return GL_TRUE;
+#else
+ PIXELFORMATDESCRIPTOR pfd;
+ PIXELFORMATDESCRIPTOR* ppfd = &pfd;
+ int pixelformat;
+
+ fghFillPFD( ppfd, window->Window.Device, layer_type );
pixelformat = ChoosePixelFormat( window->Window.Device, ppfd );
- /* windows hack for multismapling */
- if (fgState.DisplayMode&GLUT_MULTISAMPLE)
+ /* windows hack for multismapling/sRGB */
+ if ( ( fgState.DisplayMode & GLUT_MULTISAMPLE ) ||
+ ( fgState.DisplayMode & GLUT_SRGB ) )
{
- PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB=NULL;
HGLRC rc, rc_before=wglGetCurrentContext();
HWND hWnd;
HDC hDC, hDC_before=wglGetCurrentDC();
WNDCLASS wndCls;
- ATOM atom;
/* create a dummy window */
ZeroMemory(&wndCls, sizeof(wndCls));
- wndCls.lpfnWndProc = DefWindowProc;
- wndCls.hInstance = fgDisplay.Instance;
- wndCls.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
- wndCls.lpszClassName = _T("FREEGLUT_dummy");
- atom = RegisterClass( &wndCls );
+ wndCls.lpfnWndProc = DefWindowProc;
+ wndCls.hInstance = fgDisplay.Instance;
+ wndCls.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
+ wndCls.lpszClassName = _T("FREEGLUT_dummy");
+ RegisterClass( &wndCls );
- hWnd=CreateWindow((LPCSTR)atom, _T(""), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW , 0,0,0,0, 0, 0, fgDisplay.Instance, 0 );
+ hWnd=CreateWindow(_T("FREEGLUT_dummy"), _T(""), WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_OVERLAPPEDWINDOW , 0,0,0,0, 0, 0, fgDisplay.Instance, 0 );
hDC=GetDC(hWnd);
SetPixelFormat( hDC, pixelformat, ppfd );
rc = wglCreateContext( hDC );
wglMakeCurrent(hDC, rc);
- wglGetEntensionsStringARB=(PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB");
- if (wglGetEntensionsStringARB)
+ if ( fghIsExtensionSupported( hDC, "WGL_ARB_multisample" ) )
{
- const char * pWglExtString=wglGetEntensionsStringARB(hDC);
- if (pWglExtString)
+ PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc =
+ (PFNWGLCHOOSEPIXELFORMATARBPROC) wglGetProcAddress("wglChoosePixelFormatARB");
+ if ( wglChoosePixelFormatARBProc )
{
- if (strstr(pWglExtString, "WGL_ARB_multisample"))
+ int attributes[100];
+ int iPixelFormat;
+ BOOL bValid;
+ float fAttributes[] = { 0, 0 };
+ UINT numFormats;
+ fghFillPixelFormatAttributes( attributes, ppfd );
+ bValid = wglChoosePixelFormatARBProc(window->Window.Device, attributes, fAttributes, 1, &iPixelFormat, &numFormats);
+
+ if ( bValid && numFormats > 0 )
{
- int pAttributes[100];
- int iCounter=0;
- int iPixelFormat;
- BOOL bValid;
- float fAttributes[] = {0,0};
- UINT numFormats;
- PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormatARBProc=NULL;
-
- wglChoosePixelFormatARBProc=(PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
- if ( wglChoosePixelFormatARBProc )
- {
- pAttributes[iCounter++]=WGL_DRAW_TO_WINDOW_ARB; pAttributes[iCounter++]=GL_TRUE;
- pAttributes[iCounter++]=WGL_SUPPORT_OPENGL_ARB; pAttributes[iCounter++]=GL_TRUE;
- pAttributes[iCounter++]=WGL_ACCELERATION_ARB; pAttributes[iCounter++]=WGL_FULL_ACCELERATION_ARB;
-
- pAttributes[iCounter++]=WGL_COLOR_BITS_ARB; pAttributes[iCounter++]=pfd.cColorBits ;
- pAttributes[iCounter++]=WGL_ALPHA_BITS_ARB; pAttributes[iCounter++]=pfd.cAlphaBits;
- pAttributes[iCounter++]=WGL_DEPTH_BITS_ARB; pAttributes[iCounter++]=pfd.cDepthBits;
- pAttributes[iCounter++]=WGL_STENCIL_BITS_ARB; pAttributes[iCounter++]=pfd.cStencilBits;
-
- pAttributes[iCounter++]=WGL_DOUBLE_BUFFER_ARB; pAttributes[iCounter++]=(fgState.DisplayMode & GLUT_DOUBLE)!=0;
- pAttributes[iCounter++]=WGL_SAMPLE_BUFFERS_ARB; pAttributes[iCounter++]=GL_TRUE;
- pAttributes[iCounter++]=WGL_SAMPLES_ARB; pAttributes[iCounter++]=4;
- pAttributes[iCounter++]=0; pAttributes[iCounter++]=0; /* terminator */
-
- bValid = wglChoosePixelFormatARBProc(window->Window.Device,pAttributes,fAttributes,1,&iPixelFormat,&numFormats);
-
- if (bValid && numFormats>0)
- pixelformat=iPixelFormat;
- }
+ pixelformat = iPixelFormat;
}
- wglMakeCurrent( hDC_before, rc_before);
- wglDeleteContext(rc);
- ReleaseDC(hWnd, hDC);
- DestroyWindow(hWnd);
- UnregisterClass(_T("FREEGLUT_dummy"), fgDisplay.Instance);
}
}
- }
- if( pixelformat == 0 )
- return GL_FALSE;
+ wglMakeCurrent( hDC_before, rc_before);
+ wglDeleteContext(rc);
+ ReleaseDC(hWnd, hDC);
+ DestroyWindow(hWnd);
+ UnregisterClass(_T("FREEGLUT_dummy"), fgDisplay.Instance);
+ }
- if( checkOnly )
- return GL_TRUE;
- return SetPixelFormat( window->Window.Device, pixelformat, ppfd );
+ return ( pixelformat != 0 ) && ( checkOnly || SetPixelFormat( window->Window.Device, pixelformat, ppfd ) );
#endif /* defined(_WIN32_WCE) */
}
#endif /* TARGET_HOST_MS_WINDOWS */
{
#if TARGET_HOST_POSIX_X11
if ( window )
+ {
glXMakeContextCurrent(
fgDisplay.Display,
window->Window.Handle,
window->Window.Handle,
window->Window.Context
);
+
+ /* also register this window to receive spaceball events */
+ fgSpaceballSetWindow(window);
+ }
#elif TARGET_HOST_MS_WINDOWS
if( fgStructure.CurrentWindow )
ReleaseDC( fgStructure.CurrentWindow->Window.Handle,
#define GLX_CONTEXT_FLAGS_ARB 0x2094
#endif
+#ifndef GLX_CONTEXT_PROFILE_MASK_ARB
+#define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126
+#endif
+
#ifndef GLX_CONTEXT_DEBUG_BIT_ARB
#define GLX_CONTEXT_DEBUG_BIT_ARB 0x0001
#endif
#define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002
#endif
+#ifndef GLX_CONTEXT_CORE_PROFILE_BIT_ARB
+#define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001
+#endif
+
+#ifndef GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB
+#define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002
+#endif
+
+#ifndef GLX_RGBA_FLOAT_TYPE
+#define GLX_RGBA_FLOAT_TYPE 0x20B9
+#endif
+
+#ifndef GLX_RGBA_FLOAT_BIT
+#define GLX_RGBA_FLOAT_BIT 0x00000004
+#endif
+
+static void fghFillContextAttributes( int *attributes ) {
+ int where = 0, contextFlags, contextProfile;
+
+ if ( !fghIsLegacyContextVersionRequested() ) {
+ ATTRIB_VAL( GLX_CONTEXT_MAJOR_VERSION_ARB, fgState.MajorVersion );
+ ATTRIB_VAL( GLX_CONTEXT_MINOR_VERSION_ARB, fgState.MinorVersion );
+ }
+
+ contextFlags =
+ fghMapBit( fgState.ContextFlags, GLUT_DEBUG, GLX_CONTEXT_DEBUG_BIT_ARB ) |
+ fghMapBit( fgState.ContextFlags, GLUT_FORWARD_COMPATIBLE, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB );
+ if ( contextFlags != 0 ) {
+ ATTRIB_VAL( GLX_CONTEXT_FLAGS_ARB, contextFlags );
+ }
+
+ contextProfile =
+ fghMapBit( fgState.ContextProfile, GLUT_CORE_PROFILE, GLX_CONTEXT_CORE_PROFILE_BIT_ARB ) |
+ fghMapBit( fgState.ContextProfile, GLUT_COMPATIBILITY_PROFILE, GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB );
+ if ( contextProfile != 0 ) {
+ ATTRIB_VAL( GLX_CONTEXT_PROFILE_MASK_ARB, contextProfile );
+ }
+
+ ATTRIB( 0 );
+}
+
typedef GLXContext (*CreateContextAttribsProc)(Display *dpy, GLXFBConfig config,
GLXContext share_list, Bool direct,
const int *attrib_list);
GLXContext context;
/* new context creation */
- int attribs[7];
+ int attributes[9];
CreateContextAttribsProc createContextAttribs;
/* If nothing fancy has been required, simply use the old context creation GLX API entry */
- if ( fgState.MajorVersion == 1 && fgState.MinorVersion == 0 && fgState.ContextFlags == 0)
+ if ( fghIsLegacyContextRequested() )
{
context = glXCreateNewContext( dpy, config, render_type, share_list, direct );
if ( context == NULL ) {
- fgError( "could not create new OpenGL context" );
+ fghContextCreationError();
}
return context;
}
fgWarning( "color index mode is deprecated, using RGBA mode" );
}
- attribs[0] = GLX_CONTEXT_MAJOR_VERSION_ARB;
- attribs[1] = fgState.MajorVersion;
- attribs[2] = GLX_CONTEXT_MINOR_VERSION_ARB;
- attribs[3] = fgState.MinorVersion;
- attribs[4] = GLX_CONTEXT_FLAGS_ARB;
- attribs[5] = ((fgState.ContextFlags & GLUT_DEBUG) ? GLX_CONTEXT_DEBUG_BIT_ARB : 0) |
- ((fgState.ContextFlags & GLUT_FORWARD_COMPATIBLE) ? GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB : 0);
- attribs[6] = 0;
+ fghFillContextAttributes( attributes );
createContextAttribs = (CreateContextAttribsProc) fghGetProcAddress( "glXCreateContextAttribsARB" );
if ( createContextAttribs == NULL ) {
fgError( "glXCreateContextAttribsARB not found" );
}
- context = createContextAttribs( dpy, config, share_list, direct, attribs );
+ context = createContextAttribs( dpy, config, share_list, direct, attributes );
if ( context == NULL ) {
- fgError( "could not create new OpenGL %d.%d context (flags %x)",
- fgState.MajorVersion, fgState.MinorVersion, fgState.ContextFlags );
+ fghContextCreationError();
}
return context;
}
if( fgState.DirectContext == GLUT_FORCE_DIRECT_CONTEXT )
fgError( "Unable to force direct context rendering for window '%s'",
title );
- else if( fgState.DirectContext == GLUT_TRY_DIRECT_CONTEXT )
- fgWarning( "Unable to create direct context rendering for window '%s'\nThis may hurt performance.",
- title );
}
#endif
{
#if TARGET_HOST_POSIX_X11
- glXDestroyContext( fgDisplay.Display, window->Window.Context );
+ if( window->Window.Context )
+ glXDestroyContext( fgDisplay.Display, window->Window.Context );
XFree( window->Window.FBConfig );
XDestroyWindow( fgDisplay.Display, window->Window.Handle );
/* XFlush( fgDisplay.Display ); */ /* XXX Shouldn't need this */
GL_FALSE, GL_FALSE )->ID;
}
+#if TARGET_HOST_MS_WINDOWS
+int FGAPIENTRY __glutCreateWindowWithExit( const char *title, void (__cdecl *exit_function)(int) )
+{
+ __glutExitFunc = exit_function;
+ return glutCreateWindow( title );
+}
+#endif
+
/*
* This function creates a sub window.
*/
#endif
}
-/*
- * Resize the current window so that it fits the whole screen
- */
-void FGAPIENTRY glutFullScreen( void )
+#if TARGET_HOST_POSIX_X11
+static int ewmh_fullscr_toggle(void);
+static int resize_fullscr_toogle(void);
+
+static int toggle_fullscreen(void)
{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreen" );
- FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreen" );
+ /* first try the EWMH (_NET_WM_STATE) method ... */
+ if(ewmh_fullscr_toggle() != -1) {
+ return 0;
+ }
- if (glutGet(GLUT_FULL_SCREEN))
- {
- /* Leave full screen state before resizing. */
- glutFullScreenToggle();
+ /* fall back to resizing the window */
+ if(resize_fullscr_toogle() != -1) {
+ return 0;
}
+ return -1;
+}
- {
-#if TARGET_HOST_POSIX_X11
+#define _NET_WM_STATE_TOGGLE 2
+static int ewmh_fullscr_toggle(void)
+{
+ XEvent xev;
+ long evmask = SubstructureRedirectMask | SubstructureNotifyMask;
- Status status; /* Returned by XGetWindowAttributes(), not checked. */
- XWindowAttributes attributes;
+ if(!fgDisplay.State || !fgDisplay.StateFullScreen) {
+ return -1;
+ }
+
+ xev.type = ClientMessage;
+ xev.xclient.window = fgStructure.CurrentWindow->Window.Handle;
+ xev.xclient.message_type = fgDisplay.State;
+ xev.xclient.format = 32;
+ xev.xclient.data.l[0] = _NET_WM_STATE_TOGGLE;
+ xev.xclient.data.l[1] = fgDisplay.StateFullScreen;
+ xev.xclient.data.l[2] = 0; /* no second property to toggle */
+ xev.xclient.data.l[3] = 1; /* source indication: application */
+ xev.xclient.data.l[4] = 0; /* unused */
+
+ if(!XSendEvent(fgDisplay.Display, fgDisplay.RootWindow, 0, evmask, &xev)) {
+ return -1;
+ }
+ return 0;
+}
- status = XGetWindowAttributes(fgDisplay.Display,
- fgStructure.CurrentWindow->Window.Handle,
- &attributes);
+static int resize_fullscr_toogle(void)
+{
+ XWindowAttributes attributes;
+
+ if(glutGet(GLUT_FULL_SCREEN)) {
+ /* restore original window size */
+ SFG_Window *win = fgStructure.CurrentWindow;
+ fgStructure.CurrentWindow->State.NeedToResize = GL_TRUE;
+ fgStructure.CurrentWindow->State.Width = win->State.OldWidth;
+ fgStructure.CurrentWindow->State.Height = win->State.OldHeight;
+
+ } else {
+ /* resize the window to cover the entire screen */
+ XGetWindowAttributes(fgDisplay.Display,
+ fgStructure.CurrentWindow->Window.Handle,
+ &attributes);
+
/*
* The "x" and "y" members of "attributes" are the window's coordinates
* relative to its parent, i.e. to the decoration window.
*/
XMoveResizeWindow(fgDisplay.Display,
- fgStructure.CurrentWindow->Window.Handle,
- -attributes.x,
- -attributes.y,
- fgDisplay.ScreenWidth,
- fgDisplay.ScreenHeight);
+ fgStructure.CurrentWindow->Window.Handle,
+ -attributes.x,
+ -attributes.y,
+ fgDisplay.ScreenWidth,
+ fgDisplay.ScreenHeight);
+ }
+ return 0;
+}
+#endif /* TARGET_HOST_POSIX_X11 */
+
+
+/*
+ * Resize the current window so that it fits the whole screen
+ */
+void FGAPIENTRY glutFullScreen( void )
+{
+ SFG_Window *win;
+
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreen" );
+ FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreen" );
+
+ win = fgStructure.CurrentWindow;
+
+#if TARGET_HOST_POSIX_X11
+ if(!glutGet(GLUT_FULL_SCREEN)) {
+ if(toggle_fullscreen() != -1) {
+ win->State.IsFullscreen = GL_TRUE;
+ }
+ }
#elif TARGET_HOST_MS_WINDOWS && !defined(_WIN32_WCE) /* FIXME: what about WinCE */
+
+ if (glutGet(GLUT_FULL_SCREEN))
+ {
+ /* Leave full screen state before resizing. */
+ glutFullScreenToggle();
+ }
+
+ {
RECT rect;
/* For fullscreen mode, force the top-left corner to 0,0
SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING |
SWP_NOZORDER
);
-#endif
+
+ win->State.IsFullscreen = GL_TRUE;
}
+#endif
}
/*
*/
void FGAPIENTRY glutFullScreenToggle( void )
{
+ SFG_Window *win;
+
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutFullScreenToggle" );
FREEGLUT_EXIT_IF_NO_WINDOW ( "glutFullScreenToggle" );
- {
-#if TARGET_HOST_POSIX_X11
+ win = fgStructure.CurrentWindow;
- if (fgDisplay.StateFullScreen != None)
- {
- XEvent xevent;
- long event_mask;
- int status;
-
- xevent.type = ClientMessage;
- xevent.xclient.type = ClientMessage;
- xevent.xclient.serial = 0;
- xevent.xclient.send_event = True;
- xevent.xclient.display = fgDisplay.Display;
- xevent.xclient.window = fgStructure.CurrentWindow->Window.Handle;
- xevent.xclient.message_type = fgDisplay.State;
- xevent.xclient.format = 32;
- xevent.xclient.data.l[0] = 2; /* _NET_WM_STATE_TOGGLE */
- xevent.xclient.data.l[1] = fgDisplay.StateFullScreen;
- xevent.xclient.data.l[2] = 0;
- xevent.xclient.data.l[3] = 0;
- xevent.xclient.data.l[4] = 0;
-
- /*** Don't really understand how event masks work... ***/
- event_mask = SubstructureRedirectMask | SubstructureNotifyMask;
-
- status = XSendEvent(fgDisplay.Display,
- fgDisplay.RootWindow,
- False,
- event_mask,
- &xevent);
- FREEGLUT_INTERNAL_ERROR_EXIT(status != 0,
- "XSendEvent failed",
- "glutFullScreenToggle");
- }
- else
-#endif
- {
- /*
- * If the window manager is not Net WM compliant, fall back to legacy
- * behaviour.
- */
- glutFullScreen();
- }
+#if TARGET_HOST_POSIX_X11
+ if(toggle_fullscreen() != -1) {
+ win->State.IsFullscreen = !win->State.IsFullscreen;
}
+#elif TARGET_HOST_MS_WINDOWS
+ glutFullScreen();
+ win->State.IsFullscreen = !win->State.IsFullscreen;
+#endif
}
/*
projects / freeglut / blobdiff