X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_window.c;h=e19eaff067b5c7364d3069dcff562e27d84fa12c;hb=846e7692343b1bd4473ded068f4b86056baedb77;hp=32dd71672d2ba34a690f66ea9d8abe1da30be665;hpb=1eef8f50187ad9a004cf18394002cd1d099ffebb;p=freeglut diff --git a/src/freeglut_window.c b/src/freeglut_window.c index 32dd716..e19eaff 100644 --- a/src/freeglut_window.c +++ b/src/freeglut_window.c @@ -25,6 +25,7 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +#define FREEGLUT_BUILDING_LIB #include #include "freeglut_internal.h" @@ -50,6 +51,10 @@ static wchar_t* fghWstrFromStr(const char* str) #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: * @@ -75,80 +80,120 @@ static wchar_t* fghWstrFromStr(const char* str) /* -- 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 ) { - GLboolean wantIndexedMode = GL_FALSE; - int attributes[ 32 ]; - int where = 0; + 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 ) +{ + 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 ); } + } + + numAuxBuffers = fghNumberOfAuxBuffersRequested(); + if ( numAuxBuffers > 0 ) { + ATTRIB_VAL( GLX_AUX_BUFFERS, numAuxBuffers ); + } - 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) - } + if( fgState.DisplayMode & GLUT_SRGB ) { + ATTRIB_VAL( GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB, True ); + } - if (fgState.DisplayMode & GLUT_MULTISAMPLE) - { - ATTRIB_VAL(GLX_SAMPLE_BUFFERS, 1) - ATTRIB_VAL(GLX_SAMPLES, fgState.SampleNumber) - } + if (fgState.DisplayMode & GLUT_MULTISAMPLE) { + ATTRIB_VAL(GLX_SAMPLE_BUFFERS, 1); + ATTRIB_VAL(GLX_SAMPLES, fgState.SampleNumber); + } - /* Push a null at the end of the list */ - ATTRIB( None ); + /* Push a terminator at the end of the list */ + ATTRIB( None ); { GLXFBConfig * fbconfigArray; /* Array of FBConfigs */ @@ -282,6 +327,9 @@ typedef BOOL (WINAPI * PFNWGLCHOOSEPIXELFORMATARBPROC) (HDC hdc, const int *piAt #define WGL_SAMPLE_BUFFERS_ARB 0x2041 #define WGL_SAMPLES_ARB 0x2042 +#define WGL_TYPE_RGBA_FLOAT_ARB 0x21A0 + +#define WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB 0x20A9 #ifndef WGL_ARB_create_context #define WGL_ARB_create_context 1 @@ -290,53 +338,80 @@ extern HGLRC WINAPI wglCreateContextAttribsARB (HDC, HGLRC, const int *); #endif /* WGL_WGLEXT_PROTOTYPES */ typedef HGLRC (WINAPI * PFNWGLCREATECONTEXTATTRIBSARBPROC) (HDC hDC, HGLRC hShareContext, const int *attribList); -#define WGL_CONTEXT_DEBUG_BIT_ARB 0x0001 -#define WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002 #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 + +#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 +static void fghFillContextAttributes( int *attributes ) { + int where = 0, contextFlags, contextProfile; + + 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 ) + { + return FALSE; + } + pWglExtString = wglGetEntensionsStringARB( hdc ); + return ( pWglExtString != NULL ) && ( strstr(pWglExtString, extension) != NULL ); +} void fgNewWGLCreateContext( SFG_Window* window ) { - PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetEntensionsStringARB; HGLRC context; - int attribs[7]; + int attributes[9]; PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB; /* If nothing fancy has been required, leave the context as it is */ - if ( fgState.MajorVersion == 1 && fgState.MinorVersion == 0 && fgState.ContextFlags == 0 ) + if ( fghIsLegacyContextRequested() ) { return; } - wglMakeCurrent( window->Window.Device, - window->Window.Context ); - - wglGetEntensionsStringARB=(PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB"); - if ( wglGetEntensionsStringARB == NULL ) - { - return; - } + wglMakeCurrent( window->Window.Device, window->Window.Context ); - const char * pWglExtString=wglGetEntensionsStringARB(window->Window.Device); - if (( pWglExtString == NULL ) || ( strstr(pWglExtString, "WGL_ARB_create_context") == NULL )) + if ( !fghIsExtensionSupported( window->Window.Device, "WGL_ARB_create_context" ) ) { return; } /* new context creation */ - attribs[0] = WGL_CONTEXT_MAJOR_VERSION_ARB; - attribs[1] = fgState.MajorVersion; - attribs[2] = WGL_CONTEXT_MINOR_VERSION_ARB; - attribs[3] = fgState.MinorVersion; - attribs[4] = WGL_CONTEXT_FLAGS_ARB; - attribs[5] = ((fgState.ContextFlags & GLUT_DEBUG) ? WGL_CONTEXT_DEBUG_BIT_ARB : 0) | - ((fgState.ContextFlags & GLUT_FORWARD_COMPATIBLE) ? WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB : 0); - attribs[6] = 0; + fghFillContextAttributes( attributes ); wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC) wglGetProcAddress( "wglCreateContextAttribsARB" ); if ( wglCreateContextAttribsARB == NULL ) @@ -344,11 +419,10 @@ void fgNewWGLCreateContext( SFG_Window* window ) fgError( "wglCreateContextAttribsARB not found" ); } - context = wglCreateContextAttribsARB( window->Window.Device, 0, attribs ); + context = wglCreateContextAttribsARB( window->Window.Device, 0, attributes ); if ( context == NULL ) { - fgError( "Unable to create OpenGL %d.%d context (flags %x)", - fgState.MajorVersion, fgState.MinorVersion, fgState.ContextFlags ); + fghContextCreationError(); } wglMakeCurrent( NULL, NULL ); @@ -356,96 +430,108 @@ void fgNewWGLCreateContext( SFG_Window* window ) window->Window.Context = context; } +#if !defined(_WIN32_WCE) -GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, - unsigned char layer_type ) +static void fghFillPFD( PIXELFORMATDESCRIPTOR *ppfd, HDC hdc, unsigned char layer_type ) { -#if defined(_WIN32_WCE) - return GL_TRUE; -#else - PIXELFORMATDESCRIPTOR* ppfd, pfd; - int flags, pixelformat; - - freeglut_return_val_if_fail( window != NULL, 0 ); - flags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL; - if( fgState.DisplayMode & GLUT_DOUBLE ) + 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 ( fgState.DisplayMode & GLUT_STEREO ) { + flags |= PFD_STEREO; + } #if defined(_MSC_VER) #pragma message( "fgSetupPixelFormat(): there is still some work to do here!" ) #endif - /* Specify which pixel format do we opt for... */ - pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); - pfd.nVersion = 1; - pfd.dwFlags = flags; + /* 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; + } - if( fgState.DisplayMode & GLUT_INDEX ) - { - pfd.iPixelType = PFD_TYPE_COLORINDEX; - pfd.cRedBits = 0; - pfd.cGreenBits = 0; - pfd.cBlueBits = 0; - pfd.cAlphaBits = 0; - } - else - { - 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; - } + 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 ); +} - 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; -#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; +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.iLayerType = layer_type; - pfd.bReserved = 0; - pfd.dwLayerMask = 0; - pfd.dwVisibleMask = 0; - pfd.dwDamageMask = 0; + ATTRIB_VAL( WGL_DOUBLE_BUFFER_ARB, ( fgState.DisplayMode & GLUT_DOUBLE ) != 0 ); - pfd.cColorBits = (BYTE) GetDeviceCaps( window->Window.Device, BITSPIXEL ); - ppfd = &pfd; + 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(); @@ -466,60 +552,35 @@ GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly, 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 */ @@ -532,12 +593,17 @@ void fgSetWindow ( SFG_Window *window ) { #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, @@ -571,6 +637,10 @@ void fgSetWindow ( SFG_Window *window ) #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 @@ -579,6 +649,47 @@ void fgSetWindow ( SFG_Window *window ) #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); @@ -598,15 +709,15 @@ static GLXContext fghCreateNewContext( SFG_Window* window ) 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; } @@ -616,24 +727,16 @@ static GLXContext fghCreateNewContext( SFG_Window* window ) 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; } @@ -1024,7 +1127,8 @@ void fgCloseWindow( SFG_Window* window ) { #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 */ @@ -1082,6 +1186,14 @@ int FGAPIENTRY glutCreateWindow( const char* title ) 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. */ @@ -1447,41 +1559,111 @@ void FGAPIENTRY glutPopWindow( void ) #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; + + if(!fgDisplay.State || !fgDisplay.StateFullScreen) { + return -1; + } - Status status; /* Returned by XGetWindowAttributes(), not checked. */ - XWindowAttributes attributes; + 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 @@ -1513,8 +1695,10 @@ void FGAPIENTRY glutFullScreen( void ) SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSENDCHANGING | SWP_NOZORDER ); -#endif + + win->State.IsFullscreen = GL_TRUE; } +#endif } /* @@ -1522,54 +1706,21 @@ void FGAPIENTRY glutFullScreen( void ) */ 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 } /*