diff options
Diffstat (limited to 'CNativeCode/OpenGL_Win32_common.c')
| -rwxr-xr-x | CNativeCode/OpenGL_Win32_common.c | 708 |
1 files changed, 0 insertions, 708 deletions
diff --git a/CNativeCode/OpenGL_Win32_common.c b/CNativeCode/OpenGL_Win32_common.c index 8368677..9b44a34 100755 --- a/CNativeCode/OpenGL_Win32_common.c +++ b/CNativeCode/OpenGL_Win32_common.c @@ -17,281 +17,6 @@ #include "OpenGL_Win32_common.h"
-HGLRC LIBAPIENTRY get_GC( HDC * hDC, GLCapabilities *glCaps,
- HGLRC shareWith,
- jboolean offScreenRenderer,
- int width, int height, HBITMAP *pix,
- jboolean verbose)
-
-{
- const char * text=0;
- HDC hDCOrig = 0;
-
- // Color Palette handle
- HPALETTE hPalette = NULL;
- HGLRC tempRC=0;
-
- if( *hDC == 0 && !offScreenRenderer)
- printf( "get_GC: Error, HDC is zero\n");
-
- // Select the pixel format
- if(offScreenRenderer)
- {
- hDCOrig = *hDC;
- *hDC = CreateCompatibleDC(hDCOrig);
- // setupDIB(*hDC, pix, width, height);
- setupDIB(hDCOrig, *hDC, pix, width, height);
- /* SetDCPixelFormat(hDCOffScr, doubleBuffer, stereo, stencilBits, offScreenRenderer); */
- /* setupPalette(hDC); USE MY PROC */
- }
-
- SetDCPixelFormat(*hDC, glCaps, offScreenRenderer, verbose);
-
- // Create palette if needed
- hPalette = GetOpenGLPalette(*hDC);
-
- tempRC = wglCreateContext( *hDC );
-
- if(verbose==JNI_TRUE)
- {
- fprintf(stderr,"\n\nPIXELFORMAT OF GL-Context SETTINGS:\n");
- text=GetTextualPixelFormatByHDC(*hDC);
- fprintf(stderr,text);
- }
-
- /* check if the context could be created */
- if( tempRC == NULL ) {
- fprintf(stderr, "getGC context could NOT be created \n");
- return( 0 );
- }
-
- /* associated the context with the X window */
- if( wglMakeCurrent( *hDC, tempRC ) == FALSE) {
- fprintf(stderr,"wglMakeCurrent(%d,%d) failed on new context!!!\n",(int)*hDC,(int)tempRC);
- fprintf(stderr,"Error code = %d\n",(int)GetLastError());
- wglMakeCurrent(NULL, NULL);
- wglDeleteContext( tempRC );
- return( 0 );
- }
-
- if(shareWith!=NULL && wglShareLists(shareWith, tempRC)==FALSE)
- {
- fprintf(stderr,"\nERROR: Could not share lists between the new and the given GLContext (Win32Native)!\n");
- fprintf(stderr,"Error code = %d\n",(int)GetLastError());
- wglMakeCurrent(NULL, NULL);
- wglDeleteContext( tempRC );
- return( 0 );
- }
-
- if(JNI_TRUE==verbose)
- printf( "HGLRC (glContext) created: %d\n", tempRC );
-
- return tempRC;
-}
-
-void LIBAPIENTRY setPixelFormatByGLCapabilities(
- PIXELFORMATDESCRIPTOR *pfd,
- GLCapabilities *glCaps,
- jboolean offScreenRenderer,
- HDC hdc)
-{
-
- int colorBits = glCaps->redBits + glCaps->greenBits + glCaps->blueBits;
-
- pfd->nSize=sizeof(PIXELFORMATDESCRIPTOR);
- pfd->nVersion=1;
- pfd->dwFlags=PFD_SUPPORT_OPENGL | PFD_GENERIC_ACCELERATED; /* refined later */
- pfd->iPixelType=0;
- pfd->cColorBits=0;
- pfd->cRedBits=0;
- pfd->cRedShift=0;
- pfd->cGreenBits=0;
- pfd->cGreenShift=0;
- pfd->cBlueBits=0;
- pfd->cBlueShift=0;
- pfd->cAlphaBits=0;
- pfd->cAlphaShift=0;
- pfd->cAccumBits=0;
- pfd->cAccumRedBits=0;
- pfd->cAccumGreenBits=0;
- pfd->cAccumBlueBits=0;
- pfd->cAccumAlphaBits=0;
- pfd->cDepthBits=32;
- pfd->cStencilBits=0;
- pfd->cAuxBuffers=0;
- pfd->iLayerType=PFD_MAIN_PLANE;
- pfd->bReserved=0;
- pfd->dwLayerMask=0;
- pfd->dwVisibleMask=0;
- pfd->dwDamageMask=0;
-
- if(COLOR_RGBA == glCaps->color)
- pfd->iPixelType=PFD_TYPE_RGBA;
- else
- pfd->iPixelType=PFD_TYPE_COLORINDEX;
-
- if(offScreenRenderer)
- pfd->dwFlags |= PFD_DRAW_TO_BITMAP; // Draw to Bitmap
- else
- pfd->dwFlags |= PFD_DRAW_TO_WINDOW; // Draw to Window (not to bitmap)
-
-
- if(BUFFER_DOUBLE==glCaps->buffer)
- pfd->dwFlags |= PFD_DOUBLEBUFFER ; // Double buffered is optional
-
- if(STEREO_ON==glCaps->stereo)
- pfd->dwFlags |= PFD_STEREO ; // Stereo is optional
-
- if(hdc!=NULL && GetDeviceCaps(hdc, BITSPIXEL)<colorBits)
- pfd->cColorBits = GetDeviceCaps(hdc, BITSPIXEL);
- else
- pfd->cColorBits = (BYTE)colorBits;
-
- pfd->cStencilBits = (BYTE) glCaps->stencilBits;
-}
-
-
-void LIBAPIENTRY SetDCPixelFormat(HDC hDC, GLCapabilities *glCaps,
- jboolean offScreenRenderer, jboolean verbose)
-{
- int nPixelFormat=-1;
- const char * text=0;
-
- PIXELFORMATDESCRIPTOR pfd ;
-
- if(verbose==JNI_TRUE)
- {
- fprintf(stdout, "GL4Java SetDCPixelFormat: input capabilities:\n");
- printGLCapabilities ( glCaps );
- }
-
- if(glCaps->nativeVisualID>=0)
- {
- if ( 0 < DescribePixelFormat( hDC, (int)(glCaps->nativeVisualID),
- sizeof(pfd), &pfd ) )
- {
- nPixelFormat=(int)(glCaps->nativeVisualID);
- if(verbose==JNI_TRUE)
- {
- fprintf(stderr,"\n\nUSER found stored PIXELFORMAT number: %ld\n",
- nPixelFormat);
- fflush(stderr);
- }
- } else {
- fprintf(stderr,"\n\nUSER no stored PIXELFORMAT number found !!\n");
- nPixelFormat = -1;
- fflush(stderr);
- }
- }
-
- if(nPixelFormat<0)
- setPixelFormatByGLCapabilities( &pfd, glCaps, offScreenRenderer, hDC);
-
- if(verbose==JNI_TRUE)
- {
- fprintf(stderr,"\n\nUSER CHOOSED PIXELFORMAT (TRYING):\n");
- text=GetTextualPixelFormatByPFD(&pfd, nPixelFormat);
- fprintf(stderr,text);
- fflush(stderr);
- }
-
- // Choose a pixel format that best matches that described in pfd
- if( hDC == 0 )
- printf( "SetDCPixelFormat: Error, no HDC-Contex is given\n");
- else if(nPixelFormat<0)
- nPixelFormat = ChoosePixelFormat(hDC, &pfd);
-
- if( nPixelFormat == 0 )
- printf( "SetDCPixelFormat: Error with PixelFormat\n" );
-
- // Set the pixel format for the device context
- if( SetPixelFormat(hDC, nPixelFormat, &pfd) == FALSE)
- printf( "setpixel failed\n" );
- else {
- (void) setGLCapabilities ( hDC, nPixelFormat, glCaps );
- if(verbose==JNI_TRUE)
- {
- fprintf(stdout, "GL4Java SetDCPixelFormat: used capabilities:\n");
- printGLCapabilities ( glCaps );
- }
- }
- fflush(stdout);
- fflush(stderr);
-}
-
-
-// If necessary, creates a 3-3-2 palette for the device context listed.
-HPALETTE LIBAPIENTRY GetOpenGLPalette(HDC hDC)
-{
- HPALETTE hRetPal = NULL; // Handle to palette to be created
- PIXELFORMATDESCRIPTOR pfd; // Pixel Format Descriptor
- LOGPALETTE *pPal=0; // Pointer to memory for logical palette
- int nPixelFormat=0; // Pixel format index
- int nColors=0; // Number of entries in palette
- int i=0; // Counting variable
- BYTE RedRange=0,GreenRange=0,BlueRange=0;
- // Range for each color entry (7,7,and 3)
-
-
- // Get the pixel format index and retrieve the pixel format description
- nPixelFormat = GetPixelFormat(hDC);
- DescribePixelFormat(hDC, nPixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
-
- // Does this pixel format require a palette? If not, do not create a
- // palette and just return NULL
- if(!(pfd.dwFlags & PFD_NEED_PALETTE))
- return NULL;
-
- // Number of entries in palette. 8 bits yeilds 256 entries
- nColors = 1 << pfd.cColorBits;
-
- // Allocate space for a logical palette structure plus all the palette entries
- pPal = (LOGPALETTE*)malloc(sizeof(LOGPALETTE) + nColors*sizeof(PALETTEENTRY));
-
- // Fill in palette header
- pPal->palVersion = 0x300; // Windows 3.0
- pPal->palNumEntries = nColors; // table size
-
- // Build mask of all 1's. This creates a number represented by having
- // the low order x bits set, where x = pfd.cRedBits, pfd.cGreenBits, and
- // pfd.cBlueBits.
- RedRange = (1 << pfd.cRedBits) -1;
- GreenRange = (1 << pfd.cGreenBits) - 1;
- BlueRange = (1 << pfd.cBlueBits) -1;
-
- // Loop through all the palette entries
- for(i = 0; i < nColors; i++)
- {
- // Fill in the 8-bit equivalents for each component
- pPal->palPalEntry[i].peRed = (i >> pfd.cRedShift) & RedRange;
- pPal->palPalEntry[i].peRed = (unsigned char)(
- (double) pPal->palPalEntry[i].peRed * 255.0 / RedRange);
-
- pPal->palPalEntry[i].peGreen = (i >> pfd.cGreenShift) & GreenRange;
- pPal->palPalEntry[i].peGreen = (unsigned char)(
- (double)pPal->palPalEntry[i].peGreen * 255.0 / GreenRange);
-
- pPal->palPalEntry[i].peBlue = (i >> pfd.cBlueShift) & BlueRange;
- pPal->palPalEntry[i].peBlue = (unsigned char)(
- (double)pPal->palPalEntry[i].peBlue * 255.0 / BlueRange);
-
- pPal->palPalEntry[i].peFlags = (unsigned char) NULL;
- }
-
-
- // Create the palette
- hRetPal = CreatePalette(pPal);
-
- // Go ahead and select and realize the palette for this device context
- SelectPalette(hDC,hRetPal,FALSE);
- RealizePalette(hDC);
-
- // Free the memory used for the logical palette structure
- free(pPal);
-
- // Return the handle to the new palette
- return hRetPal;
-}
jboolean LIBAPIENTRY testWin32Java()
@@ -329,436 +54,3 @@ jboolean LIBAPIENTRY testWin32Java() }
-
-static void
-PrintMessage( const char *Format, ... )
-{
- va_list ArgList;
- char Buffer[256];
-
- va_start(ArgList, Format);
- vsprintf(Buffer, Format, ArgList);
- va_end(ArgList);
-
- fprintf(stderr, Buffer);
-}
-
-
-int LIBAPIENTRY
-PixelFormatDescriptorFromDc( HDC Dc, PIXELFORMATDESCRIPTOR *Pfd )
-{
- int PfdIndex;
-
- if ( 0 < (PfdIndex = GetPixelFormat( Dc )) )
- {
- if ( 0 < DescribePixelFormat( Dc, PfdIndex, sizeof(*Pfd), Pfd ) )
- {
- return(PfdIndex);
- }
- else
- {
- PrintMessage("Could not get a description of pixel format %d\n",
- PfdIndex );
- }
- }
- else
- {
- PrintMessage("Could not get pixel format for Dc 0x%08lX\n", Dc );
- }
- return( 0 );
-}
-
-
-const char * LIBAPIENTRY
-GetTextualPixelFormatByPFD(PIXELFORMATDESCRIPTOR *ppfd, int format)
-{
- static char buffer[2000];
- char line[200];
-
- sprintf(buffer,"Pixel format %d\n", format);
- sprintf(line," dwFlags - 0x%x\n", ppfd->dwFlags);
- if (ppfd->dwFlags & PFD_DOUBLEBUFFER) { strcat(buffer, line); sprintf(line,"\tPFD_DOUBLEBUFFER\n "); }
- if (ppfd->dwFlags & PFD_STEREO) { strcat(buffer, line); sprintf(line,"\tPFD_STEREO\n "); }
- if (ppfd->dwFlags & PFD_DRAW_TO_WINDOW) { strcat(buffer, line); sprintf(line,"\tPFD_DRAW_TO_WINDOW\n "); }
- if (ppfd->dwFlags & PFD_DRAW_TO_BITMAP) { strcat(buffer, line); sprintf(line,"\tPFD_DRAW_TO_BITMAP\n "); }
- if (ppfd->dwFlags & PFD_SUPPORT_GDI) { strcat(buffer, line); sprintf(line,"\tPFD_SUPPORT_GDI\n "); }
- if (ppfd->dwFlags & PFD_SUPPORT_OPENGL) { strcat(buffer, line); sprintf(line,"\tPFD_SUPPORT_OPENGL\n "); }
- if (ppfd->dwFlags & PFD_GENERIC_ACCELERATED) { strcat(buffer, line); sprintf(line,"\tPFD_GENERIC_ACCELERATED\n "); }
- if (ppfd->dwFlags & PFD_GENERIC_FORMAT) { strcat(buffer, line); sprintf(line,"\tPFD_GENERIC_FORMAT\n "); }
- if (ppfd->dwFlags & PFD_NEED_PALETTE) { strcat(buffer, line); sprintf(line,"\tPFD_NEED_PALETTE\n "); }
- if (ppfd->dwFlags & PFD_NEED_SYSTEM_PALETTE) { strcat(buffer, line); sprintf(line,"\tPFD_NEED_SYSTEM_PALETTE\n "); }
- strcat(buffer, line); sprintf(line,"\n");
- strcat(buffer, line); sprintf(line," iPixelType - %d\n", ppfd->iPixelType);
- if (ppfd->iPixelType == PFD_TYPE_RGBA) { strcat(buffer, line); sprintf(line,"\tPGD_TYPE_RGBA\n"); }
- if (ppfd->iPixelType == PFD_TYPE_COLORINDEX) { strcat(buffer, line); sprintf(line,"\tPGD_TYPE_COLORINDEX\n"); }
- strcat(buffer, line); sprintf(line," cColorBits - %d\n", ppfd->cColorBits);
- strcat(buffer, line); sprintf(line," cRedBits - %d\n", ppfd->cRedBits);
- strcat(buffer, line); sprintf(line," cRedShift - %d\n", ppfd->cRedShift);
- strcat(buffer, line); sprintf(line," cGreenBits - %d\n", ppfd->cGreenBits);
- strcat(buffer, line); sprintf(line," cGreenShift - %d\n", ppfd->cGreenShift);
- strcat(buffer, line); sprintf(line," cBlueBits - %d\n", ppfd->cBlueBits);
- strcat(buffer, line); sprintf(line," cBlueShift - %d\n", ppfd->cBlueShift);
- strcat(buffer, line); sprintf(line," cAlphaBits - %d (N.A.)\n", ppfd->cAlphaBits);
- strcat(buffer, line); sprintf(line," cAlphaShift - 0x%x (N.A.)\n", ppfd->cAlphaShift);
- strcat(buffer, line); sprintf(line," cAccumBits - %d\n", ppfd->cAccumBits);
- strcat(buffer, line); sprintf(line," cAccumRedBits - %d\n", ppfd->cAccumRedBits);
- strcat(buffer, line); sprintf(line," cAccumGreenBits - %d\n", ppfd->cAccumGreenBits);
- strcat(buffer, line); sprintf(line," cAccumBlueBits - %d\n", ppfd->cAccumBlueBits);
- strcat(buffer, line); sprintf(line," cAccumAlphaBits - %d\n", ppfd->cAccumAlphaBits);
- strcat(buffer, line); sprintf(line," cDepthBits - %d\n", ppfd->cDepthBits);
- strcat(buffer, line); sprintf(line," cStencilBits - %d\n", ppfd->cStencilBits);
- strcat(buffer, line); sprintf(line," cAuxBuffers - %d\n", ppfd->cAuxBuffers);
- strcat(buffer, line); sprintf(line," iLayerType - %d\n", ppfd->iLayerType);
- strcat(buffer, line); sprintf(line," bReserved - %d\n", ppfd->bReserved);
- strcat(buffer, line); sprintf(line," dwLayerMask - 0x%x\n", ppfd->dwLayerMask);
- strcat(buffer, line); sprintf(line," dwVisibleMask - 0x%x\n", ppfd->dwVisibleMask);
- strcat(buffer, line); sprintf(line," dwDamageMask - 0x%x\n", ppfd->dwDamageMask);
- strcat(buffer, line);
- return buffer;
-}
-
-const char * LIBAPIENTRY GetTextualPixelFormatByHDC(HDC hdc)
-{
- PIXELFORMATDESCRIPTOR pfd, *ppfd=0;
- int format=0;
-
- ppfd = &pfd;
- format = PixelFormatDescriptorFromDc( hdc, ppfd );
-
- return GetTextualPixelFormatByPFD(ppfd, format);
-}
-
-/*****************************************************************/
-
-/* Struct used to manage color ramps */
-typedef struct {
- GLfloat amb[3]; /* ambient color / bottom of ramp */
- GLfloat diff[3]; /* diffuse color / middle of ramp */
- GLfloat spec[3]; /* specular color / top of ramp */
- GLfloat ratio; /* ratio of diffuse to specular in ramp */
- GLint indexes[3]; /* where ramp was placed in palette */
-} colorIndexState ;
-
-#define NUM_COLORS (sizeof(colors) / sizeof(colors[0]))
-
-void LIBAPIENTRY
-setupDIB(HDC hDCOrig, HDC hDC, HBITMAP * hBitmap, int width, int height)
-{
- BITMAPINFO *bmInfo=0;
- BITMAPINFOHEADER *bmHeader=0;
- UINT usage=0;
- VOID *base=0;
- int bmiSize=0;
- int bitsPerPixel=0;
- HBITMAP hOldBitmap=0;
-
- bmiSize = sizeof(*bmInfo);
- bitsPerPixel = GetDeviceCaps(hDC, BITSPIXEL);
-
- switch (bitsPerPixel) {
- case 8:
- // bmiColors is 256 WORD palette indices
- bmiSize += (256 * sizeof(WORD)) - sizeof(RGBQUAD);
- break;
- case 16:
- // bmiColors is 3 WORD component masks
- bmiSize += (3 * sizeof(DWORD)) - sizeof(RGBQUAD);
- break;
- case 24:
- case 32:
- default:
- // bmiColors not used
- break;
- }
-
- bmInfo = (BITMAPINFO *) calloc(1, bmiSize);
- bmHeader = &bmInfo->bmiHeader;
-
- bmHeader->biSize = sizeof(*bmHeader);
- bmHeader->biWidth = width;
- bmHeader->biHeight = height;
- bmHeader->biPlanes = 1; // must be 1
- bmHeader->biBitCount = bitsPerPixel;
- bmHeader->biXPelsPerMeter = 0;
- bmHeader->biYPelsPerMeter = 0;
- bmHeader->biClrUsed = 0; // all are used
- bmHeader->biClrImportant = 0; // all are important
-
- switch (bitsPerPixel) {
- case 8:
- bmHeader->biCompression = BI_RGB;
- bmHeader->biSizeImage = 0;
- usage = DIB_PAL_COLORS;
- // bmiColors is 256 WORD palette indices
- {
- WORD *palIndex = (WORD *) &bmInfo->bmiColors[0];
- int i;
-
- for (i=0; i<256; i++) {
- palIndex[i] = i;
- }
- }
- break;
- case 16:
- bmHeader->biCompression = BI_RGB;
- bmHeader->biSizeImage = 0;
- usage = DIB_RGB_COLORS;
- // bmiColors is 3 WORD component masks
- {
- DWORD *compMask = (DWORD *) &bmInfo->bmiColors[0];
-
- compMask[0] = 0xF800;
- compMask[1] = 0x07E0;
- compMask[2] = 0x001F;
- }
- break;
- case 24:
- case 32:
- default:
- bmHeader->biCompression = BI_RGB;
- bmHeader->biSizeImage = 0;
- usage = DIB_RGB_COLORS;
- // bmiColors not used
- break;
- }
-
- *hBitmap = CreateDIBSection(hDC, bmInfo, usage, &base, NULL, 0);
- if (*hBitmap == NULL) {
- (void) MessageBox(WindowFromDC(hDC),
- "Failed to create DIBSection.",
- "OpenGL application error",
- MB_ICONERROR | MB_OK);
- exit(1);
- }
-
- hOldBitmap = SelectObject(hDC, *hBitmap);
- if(hOldBitmap!=0)
- DeleteObject(hOldBitmap);
-
- free(bmInfo);
-}
-
-
-/*
-static void
-setupDIB(HDC hDCOrig, HDC hDC, HBITMAP * hBitmap, int width, int height)
-{
- HBITMAP hOldBitmap=0;
-
- *hBitmap = CreateCompatibleBitmap( hDCOrig, width, height );
- if (*hBitmap == NULL) {
- fprintf(stderr,"Failed to create CreateCompatibleBitmap! \n");
- fflush(stderr);
- return;
- }
-
- hOldBitmap = SelectObject(hDC, *hBitmap);
- if(hOldBitmap!=0)
- DeleteObject(hOldBitmap);
-}
-*/
-
-
-void LIBAPIENTRY resizeDIB(HDC hDC, HBITMAP *hOldBitmap, HBITMAP *hBitmap)
-{
- /*
- SelectObject(hDC, *hOldBitmap);
- DeleteObject(*hBitmap);
- setupDIB(hDC, hBitmap);
- */
-}
-
-HPALETTE LIBAPIENTRY setupPalette(HDC hDC)
-{
- HPALETTE hPalette = NULL;
- PIXELFORMATDESCRIPTOR pfd;
- LOGPALETTE* pPal=0;
- int pixelFormat = GetPixelFormat(hDC);
- int paletteSize=0;
- colorIndexState colors[] = {
- {
- { 0.0F, 0.0F, 0.0F },
- { 0.1F, 0.6F, 0.3F },
- { 1.0F, 1.0F, 1.0F },
- 0.75F, { 0, 0, 0 },
- },
- {
- { 0.0F, 0.0F, 0.0F },
- { 0.0F, 0.2F, 0.5F },
- { 1.0F, 1.0F, 1.0F },
- 0.75F, { 0, 0, 0 },
- },
- {
- { 0.0F, 0.05F, 0.05F },
- { 0.6F, 0.0F, 0.8F },
- { 1.0F, 1.0F, 1.0F },
- 0.75F, { 0, 0, 0 },
- },
- };
-
-
- DescribePixelFormat(hDC, pixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &pfd);
-
- /*
- ** Determine if a palette is needed and if so what size.
- */
- if (pfd.dwFlags & PFD_NEED_PALETTE) {
- paletteSize = 1 << pfd.cColorBits;
- } else if (pfd.iPixelType == PFD_TYPE_COLORINDEX) {
- paletteSize = 4096;
- } else {
- return NULL;
- }
-
- pPal = (LOGPALETTE*)
- malloc(sizeof(LOGPALETTE) + paletteSize * sizeof(PALETTEENTRY));
- pPal->palVersion = 0x300;
- pPal->palNumEntries = paletteSize;
-
- if (pfd.iPixelType == PFD_TYPE_RGBA) {
- /*
- ** Fill the logical paletee with RGB color ramps
- */
- int redMask = (1 << pfd.cRedBits) - 1;
- int greenMask = (1 << pfd.cGreenBits) - 1;
- int blueMask = (1 << pfd.cBlueBits) - 1;
- int i;
-
-
-
- for (i=0; i<paletteSize; ++i) {
- pPal->palPalEntry[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;
- }
- } else {
- /*
- ** Fill the logical palette with color ramps.
- **
- ** Set up the logical palette so that it can be realized
- ** into the system palette as an identity palette.
- **
- ** 1) The default static entries should be present and at the right
- ** location. The easiest way to do this is to grab them from
- ** the current system palette.
- **
- ** 2) All non-static entries should be initialized to unique values.
- ** The easiest way to do this is to ensure that all of the non-static
- ** entries have the PC_NOCOLLAPSE flag bit set.
- */
- int numRamps = NUM_COLORS;
- int rampSize = (paletteSize - 20) / numRamps;
- int extra = (paletteSize - 20) - (numRamps * rampSize);
- int i, r;
-
- /*
- ** Initialize static entries by copying them from the
- ** current system palette.
- */
- GetSystemPaletteEntries(hDC, 0, paletteSize, &pPal->palPalEntry[0]);
-
- /*
- ** Fill in non-static entries with desired colors.
- */
- for (r=0; r<numRamps; ++r) {
- int rampBase = r * rampSize + 10;
- PALETTEENTRY *pe = &pPal->palPalEntry[rampBase];
- int diffSize = (int) (rampSize * colors[r].ratio);
- int specSize = rampSize - diffSize;
-
- for (i=0; i<rampSize; ++i) {
- GLfloat *c0, *c1;
- GLint a;
-
- if (i < diffSize) {
- c0 = colors[r].amb;
- c1 = colors[r].diff;
- a = (i * 255) / (diffSize - 1);
- } else {
- c0 = colors[r].diff;
- c1 = colors[r].spec;
- a = ((i - diffSize) * 255) / (specSize - 1);
- }
-
- pe[i].peRed = (BYTE) (a * (c1[0] - c0[0]) + 255 * c0[0]);
- pe[i].peGreen = (BYTE) (a * (c1[1] - c0[1]) + 255 * c0[1]);
- pe[i].peBlue = (BYTE) (a * (c1[2] - c0[2]) + 255 * c0[2]);
- pe[i].peFlags = PC_NOCOLLAPSE;
- }
-
- colors[r].indexes[0] = rampBase;
- colors[r].indexes[1] = rampBase + (diffSize-1);
- colors[r].indexes[2] = rampBase + (rampSize-1);
- }
-
- /*
- ** Initialize any remaining non-static entries.
- */
- for (i=0; i<extra; ++i) {
- int index = numRamps*rampSize+10+i;
- PALETTEENTRY *pe = &pPal->palPalEntry[index];
-
- pe->peRed = (BYTE) 0;
- pe->peGreen = (BYTE) 0;
- pe->peBlue = (BYTE) 0;
- pe->peFlags = PC_NOCOLLAPSE;
- }
- }
-
- hPalette = CreatePalette(pPal);
- free(pPal);
-
- if (hPalette) {
- SelectPalette(hDC, hPalette, FALSE);
- RealizePalette(hDC);
- }
-
- return hPalette;
-}
-
-
-jboolean LIBAPIENTRY setGLCapabilities ( HDC hdc,
- int nPixelFormat,
- GLCapabilities *glCaps )
-{
- PIXELFORMATDESCRIPTOR pfd;
-
- (void) PixelFormatDescriptorFromDc( hdc, &pfd);
-
- if (pfd.dwFlags & PFD_DOUBLEBUFFER)
- glCaps->buffer=BUFFER_DOUBLE;
- else
- glCaps->buffer=BUFFER_SINGLE;
-
- if (pfd.dwFlags & PFD_STEREO)
- glCaps->stereo=STEREO_ON;
- else
- glCaps->stereo=STEREO_OFF;
-
- if (pfd.iPixelType == PFD_TYPE_RGBA)
- glCaps->color=COLOR_RGBA;
-
- if (pfd.iPixelType == PFD_TYPE_COLORINDEX)
- glCaps->color=COLOR_INDEX;
-
- glCaps->depthBits = pfd.cDepthBits;
- glCaps->stencilBits = pfd.cStencilBits;
-
- glCaps->redBits = pfd.cRedBits;
- glCaps->greenBits= pfd.cGreenBits;
- glCaps->blueBits= pfd.cBlueBits;
- /* glCaps->alphaBits= pfd.cAlphaBits; N.A. */
- glCaps->accumRedBits = pfd.cAccumRedBits;
- glCaps->accumGreenBits= pfd.cAccumGreenBits;
- glCaps->accumBlueBits= pfd.cAccumBlueBits;
- glCaps->accumAlphaBits= pfd.cAccumAlphaBits;
-
- glCaps->nativeVisualID=nPixelFormat;
-
- return JNI_TRUE;
-}
-
|