/**
* Creates a context that is compatible with the given pixel format
* identifier. Returns 0 if the context could not be created properly.
*/
static HGLRC
WGLGC_CreateContext(jint screennum, jint pixfmt)
{
PIXELFORMATDESCRIPTOR pfd;
HWND hwnd;
HDC hdc;
HGLRC hglrc;
J2dTraceLn(J2D_TRACE_INFO, "in WGLGC_CreateContext");
hwnd = WGLGC_CreateScratchWindow(screennum);
if (hwnd == 0) {
J2dTraceLn(J2D_TRACE_ERROR, "could not create scratch window");
return 0;
}
// get the HDC for the scratch window
hdc = GetDC(hwnd);
if (hdc == 0) {
J2dTraceLn(J2D_TRACE_ERROR, "could not get dc for scratch window");
DestroyWindow(hwnd);
return 0;
}
// set the pixel format for the scratch window
if (!SetPixelFormat(hdc, pixfmt, &pfd)) {
J2dTraceLn(J2D_TRACE_ERROR, "error setting pixel format");
ReleaseDC(hwnd, hdc);
DestroyWindow(hwnd);
return 0;
}
// create a context based on the scratch window
hglrc = j2d_wglCreateContext(hdc);
// release the temporary resources
ReleaseDC(hwnd, hdc);
DestroyWindow(hwnd);
return hglrc;
}
/**
* Convenience method that calls GLXGraphicsConfig.getThreadSharedContext(),
* which will fetch the shared context for the current thread, and make that
* shared context current. Returns a pointer to the native shared OGLContext.
*/
OGLContext *
OGLSD_GetSharedContext(JNIEnv *env)
{
jlong oglc;
J2dTraceLn(J2D_TRACE_INFO, "in OGLSD_GetSharedContext");
oglc = (*env)->CallStaticLongMethod(env, glxgcClass,
getSharedContextID);
return (OGLContext *)jlong_to_ptr(oglc);
}
/*
* Method: Win32BBSD_Dispose
*/
void
Win32BBSD_Dispose(JNIEnv *env, SurfaceDataOps *ops)
{
// ops is assumed non-null as it is checked in SurfaceData_DisposeOps
Win32SDOps *wsdo = (Win32SDOps*)ops;
J2dTraceLn(J2D_TRACE_INFO, "Win32BBSD_Dispose");
if (wsdo->lpSurface != NULL && !wsdo->surfaceLost) {
delete wsdo->lpSurface;
wsdo->lpSurface = NULL;
}
disposeOSSD_WSDO(env, wsdo);
}
JNIEXPORT void JNICALL
Java_sun_java2d_xr_XRSurfaceData_initIDs(JNIEnv *env, jclass xsd)
{
#ifndef HEADLESS
J2dTraceLn(J2D_TRACE_INFO, "in XRSurfaceData_initIDs");
pictID = (*env)->GetFieldID(env, xsd, "picture", "I");
xidID = (*env)->GetFieldID(env, xsd, "xid", "I");
XShared_initIDs(env, JNI_FALSE);
#endif /* !HEADLESS */
}
void GetFlagValues(JNIEnv *env, jclass wFlagsClass)
{
jboolean d3dEnabled = env->GetStaticBooleanField(wFlagsClass, d3dEnabledID);
jboolean d3dSet = env->GetStaticBooleanField(wFlagsClass, d3dSetID);
if (!d3dSet) {
// Only check environment variable if user did not set Java
// command-line parameter; values of sun.java2d.d3d override
// any setting of J2D_D3D environment variable.
char *d3dEnv = getenv("J2D_D3D");
if (d3dEnv) {
if (strcmp(d3dEnv, "false") == 0) {
// printf("Java2D Direct3D usage disabled by J2D_D3D env\n");
d3dEnabled = FALSE;
d3dSet = TRUE;
SetD3DEnabledFlag(env, d3dEnabled, d3dSet);
} else if (strcmp(d3dEnv, "true") == 0) {
// printf("Java2D Direct3D usage forced on by J2D_D3D env\n");
d3dEnabled = TRUE;
d3dSet = TRUE;
SetD3DEnabledFlag(env, d3dEnabled, d3dSet);
}
}
}
useD3D = d3dEnabled;
forceD3DUsage = d3dSet;
g_offscreenSharing = GetStaticBoolean(env, wFlagsClass,
"offscreenSharingEnabled");
accelReset = GetStaticBoolean(env, wFlagsClass, "accelReset");
checkRegistry = GetStaticBoolean(env, wFlagsClass, "checkRegistry");
disableRegistry = GetStaticBoolean(env, wFlagsClass, "disableRegistry");
jstring javaVersionString = (jstring)GetStaticObject(env, wFlagsClass,
"javaVersion",
"Ljava/lang/String;");
setHighDPIAware =
(IS_WINVISTA && GetStaticBoolean(env, wFlagsClass, "setHighDPIAware"));
J2dTraceLn(J2D_TRACE_INFO, "WindowsFlags (native):");
J2dTraceLn1(J2D_TRACE_INFO, " d3dEnabled = %s",
(useD3D ? "true" : "false"));
J2dTraceLn1(J2D_TRACE_INFO, " d3dSet = %s",
(forceD3DUsage ? "true" : "false"));
J2dTraceLn1(J2D_TRACE_INFO, " offscreenSharing = %s",
(g_offscreenSharing ? "true" : "false"));
J2dTraceLn1(J2D_TRACE_INFO, " accelReset = %s",
(accelReset ? "true" : "false"));
J2dTraceLn1(J2D_TRACE_INFO, " checkRegistry = %s",
(checkRegistry ? "true" : "false"));
J2dTraceLn1(J2D_TRACE_INFO, " disableRegistry = %s",
(disableRegistry ? "true" : "false"));
J2dTraceLn1(J2D_TRACE_INFO, " setHighDPIAware = %s",
(setHighDPIAware ? "true" : "false"));
}
/**
* Creates a scratch pbuffer, which can be used to make a context current
* for extension queries, etc.
*/
static GLXPbuffer
GLXGC_InitScratchPbuffer(GLXFBConfig fbconfig)
{
int pbattrlist[] = {GLX_PBUFFER_WIDTH, 4,
GLX_PBUFFER_HEIGHT, 4,
GLX_PRESERVED_CONTENTS, GL_FALSE,
0};
J2dTraceLn(J2D_TRACE_INFO, "GLXGC_InitScratchPbuffer");
return j2d_glXCreatePbuffer(awt_display, fbconfig, pbattrlist);
}
/**
* Initializes a small texture tile for use with tiled blit operations (see
* OGLBlitLoops.c and OGLMaskBlit.c for usage examples). The texture ID for
* the tile is stored in the given OGLContext. The tile is initially filled
* with garbage values, but the tile is updated as needed (via
* glTexSubImage2D()) with real RGBA values used in tiled blit situations.
* The internal format for the texture is GL_RGBA8, which should be sufficient
* for storing system memory surfaces of any known format (see PixelFormats
* for a list of compatible surface formats).
*/
jboolean
OGLContext_InitBlitTileTexture(OGLContext *oglc)
{
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_InitBlitTileTexture");
oglc->blitTextureID =
OGLContext_CreateBlitTexture(GL_RGBA8, GL_RGBA,
OGLC_BLIT_TILE_SIZE,
OGLC_BLIT_TILE_SIZE);
return JNI_TRUE;
}
D3DGlyphCache::~D3DGlyphCache()
{
J2dTraceLn(J2D_TRACE_INFO, "D3DGlyphCache::~D3DGlyphCache");
ReleaseDefPoolResources();
pCtx = NULL;
if (pGlyphCache != NULL) {
AccelGlyphCache_Free(pGlyphCache);
pGlyphCache = NULL;
}
}
HRESULT
D3DGlyphCache::CheckGlyphCacheByteOrder(jboolean rgbOrder)
{
J2dTraceLn(J2D_TRACE_INFO, "D3DGlyphCache::CheckGlyphCacheByteOrder");
if (gcType != CACHE_LCD) {
J2dTraceLn(J2D_TRACE_ERROR, "D3DGlyphCache::CheckGlyphCacheByteOrder"\
" invoked on CACHE_GRAY cache type instance!");
return E_FAIL;
}
if (rgbOrder != lastRGBOrder) {
// need to invalidate the cache in this case; see comments
// for lastRGBOrder
AccelGlyphCache_Invalidate(pGlyphCache);
lastRGBOrder = rgbOrder;
}
tileFormat = rgbOrder ? TILEFMT_3BYTE_RGB : TILEFMT_3BYTE_BGR;
return S_OK;
}
JNIEXPORT void JNICALL
Java_sun_java2d_opengl_GLXSurfaceData_initIDs(JNIEnv *env, jclass glxsd,
jclass glxgc)
{
#ifndef HEADLESS
J2dTraceLn(J2D_TRACE_INFO, "in GLXSurfaceData_initIDs");
glxgcClass = (*env)->NewGlobalRef(env, glxgc);
getSharedContextID = (*env)->GetStaticMethodID(env, glxgc,
"getThreadSharedContext", "()J");
#endif /* HEADLESS */
}
JNIEXPORT jboolean JNICALL
Java_sun_java2d_opengl_GLXContext_makeNativeContextCurrent(JNIEnv *env,
jobject glxc,
jlong pCtx,
jlong pSrc,
jlong pDst)
{
OGLContext *oglc = (OGLContext *)jlong_to_ptr(pCtx);
OGLSDOps *srcOps = (OGLSDOps *)jlong_to_ptr(pSrc);
OGLSDOps *dstOps = (OGLSDOps *)jlong_to_ptr(pDst);
GLXCtxInfo *ctxinfo;
GLXSDOps *srcGLXOps;
GLXSDOps *dstGLXOps;
J2dTraceLn(J2D_TRACE_INFO, "in GLXContext_makeNativeContextCurrent");
if (srcOps == NULL || dstOps == NULL) {
J2dTraceLn(J2D_TRACE_ERROR, "ops are null");
return JNI_FALSE;
}
if (oglc == NULL) {
J2dTraceLn(J2D_TRACE_ERROR, "context is null");
return JNI_FALSE;
}
ctxinfo = (GLXCtxInfo *)oglc->ctxInfo;
srcGLXOps = (GLXSDOps *)srcOps->privOps;
dstGLXOps = (GLXSDOps *)dstOps->privOps;
if (!j2d_glXMakeContextCurrent(awt_display,
dstGLXOps->drawable, srcGLXOps->drawable,
ctxinfo->context))
{
J2dTraceLn(J2D_TRACE_ERROR, "could not make GLX context current");
return JNI_FALSE;
}
return JNI_TRUE;
}
void
OGLSD_SwapBuffers(JNIEnv *env, jlong window)
{
J2dTraceLn(J2D_TRACE_INFO, "OGLSD_SwapBuffers");
if (window == 0L) {
J2dRlsTraceLn(J2D_TRACE_ERROR,
"OGLSD_SwapBuffers: window is null");
return;
}
j2d_glXSwapBuffers(awt_display, (Window)window);
}
HWND D3DPipelineManager::GetCurrentFocusWindow()
{
J2dTraceLn(J2D_TRACE_INFO, "D3DPPLM::GetCurrentFocusWindow");
if (currentFSFocusAdapter < 0) {
J2dTraceLn1(J2D_TRACE_VERBOSE,
" no fs windows, using default focus window=0x%x",
defaultFocusWindow);
return defaultFocusWindow;
}
J2dTraceLn1(J2D_TRACE_VERBOSE, " using fs window=0x%x",
pAdapters[currentFSFocusAdapter].fsFocusWindow);
return pAdapters[currentFSFocusAdapter].fsFocusWindow;
}
/**
* Add cell info to the head of the glyph's list of cached cells.
*/
void
AccelGlyphCache_AddCellInfo(GlyphInfo *glyph, CacheCellInfo *cellInfo)
{
// assert (glyph != NULL && cellInfo != NULL)
J2dTraceLn(J2D_TRACE_INFO, "AccelGlyphCache_AddCellInfo");
J2dTraceLn2(J2D_TRACE_VERBOSE, " glyph 0x%x: adding cell 0x%x to the list",
glyph, cellInfo);
cellInfo->glyphInfo = glyph;
cellInfo->nextGCI = glyph->cellInfo;
glyph->cellInfo = cellInfo;
glyph->managed = MANAGED_GLYPH;
}
/**
* Destroys the OpenGL resources associated with the given OGLContext.
* It is required that the native context associated with the OGLContext
* be made current prior to calling this method.
*/
void
OGLContext_DestroyContextResources(OGLContext *oglc)
{
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_DestroyContextResources");
if (oglc->xformMatrix != NULL) {
free(oglc->xformMatrix);
}
if (oglc->blitTextureID != 0) {
j2d_glDeleteTextures(1, &oglc->blitTextureID);
}
}
JNIEXPORT jint JNICALL
Java_sun_java2d_opengl_WGLGraphicsConfig_getDefaultPixFmt(JNIEnv *env,
jclass wglgc,
jint screennum)
{
J2dTraceLn(J2D_TRACE_INFO, "WGLGraphicsConfig_getDefaultPixFmt");
// REMIND: eventually we should implement this method so that it finds
// the most appropriate default pixel format for the given
// device; for now, we'll just return 0, and then we'll find
// an appropriate pixel format in WGLGC_GetWGLConfigInfo()...
return 0;
}
JNIEXPORT jlong JNICALL
Java_sun_java2d_opengl_WGLGraphicsConfig_initNativeSharedContext
(JNIEnv *env, jobject wglsd)
{
OGLContext *oglc;
J2dTraceLn(J2D_TRACE_INFO,
"in WGLGraphicsConfig_initNativeSharedContext");
if (sharedContext == NULL || sharedConfigInfo == NULL) {
J2dTraceLn(J2D_TRACE_ERROR, "shared context not yet inited");
return 0L;
}
oglc = WGLGC_InitOGLContext(env, sharedConfigInfo, JNI_TRUE);
if (oglc == NULL) {
J2dTraceLn(J2D_TRACE_ERROR, "could not create native shared context");
return 0L;
}
return ptr_to_jlong(oglc);
}
/*
* Class: sun_java2d_d3d_D3DSurfaceData
* Method: dbSetPixelNative
* Signature: (JIII)V
*/
JNIEXPORT void JNICALL Java_sun_java2d_d3d_D3DSurfaceData_dbSetPixelNative
(JNIEnv *env, jclass clazz, jlong pData, jint x, jint y, jint pixel)
{
HRESULT res;
D3DSDOps *d3dsdo;
D3DResource *pLockableRes;
D3DContext *pCtx;
D3DPipelineManager *pMgr;
J2dTraceLn(J2D_TRACE_INFO, "D3DSurfaceData_dbSetPixelNative");
RETURN_IF_NULL(d3dsdo = (D3DSDOps *)jlong_to_ptr(pData));
RETURN_IF_NULL(d3dsdo->pResource);
RETURN_IF_NULL(pMgr = D3DPipelineManager::GetInstance());
if (FAILED(res = pMgr->GetD3DContext(d3dsdo->adapter, &pCtx))) {
D3DRQ_MarkLostIfNeeded(res, d3dsdo);
return;
}
RETURN_IF_NULL(pCtx->GetResourceManager());
IDirect3DDevice9 *pd3dDevice = pCtx->Get3DDevice();
IDirect3DSurface9 *pSrc = d3dsdo->pResource->GetSurface();
D3DFORMAT srcFmt = d3dsdo->pResource->GetDesc()->Format;
pCtx->UpdateState(STATE_OTHEROP);
res = pCtx->GetResourceManager()->
GetLockableRTSurface(1, 1, srcFmt, &pLockableRes);
if (SUCCEEDED(res)) {
IDirect3DSurface9 *pTmpSurface;
D3DLOCKED_RECT lRect;
RECT srcRect = { 0l, 0l, 1, 1 };
RECT dstRect = { x, y, x+1, y+1};
pTmpSurface = pLockableRes->GetSurface();
res = pTmpSurface->LockRect(&lRect, &srcRect, D3DLOCK_NOSYSLOCK);
if (SUCCEEDED(res)) {
if (srcFmt == D3DFMT_X8R8G8B8) {
*(jint*)lRect.pBits = pixel;
} else {
*(unsigned short*)lRect.pBits = (unsigned short)pixel;
}
pTmpSurface->UnlockRect();
res = pd3dDevice->StretchRect(pTmpSurface, &srcRect, pSrc, &dstRect,
D3DTEXF_NONE);
}
}
D3DRQ_MarkLostIfNeeded(res, d3dsdo);
}
HRESULT
D3DVertexCacher::CreateInstance(D3DContext *pCtx, D3DVertexCacher **ppVC)
{
HRESULT res;
J2dTraceLn(J2D_TRACE_INFO, "D3DVertexCacher::CreateInstance");
*ppVC = new D3DVertexCacher();
if (FAILED(res = (*ppVC)->Init(pCtx))) {
delete *ppVC;
*ppVC = NULL;
}
return res;
}
HRESULT
D3DMaskCache::CreateInstance(D3DContext *pCtx, D3DMaskCache **ppMaskCache)
{
HRESULT res;
J2dTraceLn(J2D_TRACE_INFO, "D3DMaskCache::CreateInstance");
*ppMaskCache = new D3DMaskCache();
if (FAILED(res = (*ppMaskCache)->Init(pCtx))) {
delete *ppMaskCache;
*ppMaskCache = NULL;
}
return res;
}
void
OGLTR_DisableGlyphVertexCache(OGLContext *oglc)
{
J2dTraceLn(J2D_TRACE_INFO, "OGLTR_DisableGlyphVertexCache");
OGLVertexCache_FlushVertexCache();
OGLVertexCache_RestoreColorState(oglc);
j2d_glDisable(GL_TEXTURE_2D);
j2d_glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
j2d_glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
j2d_glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
j2d_glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
}
JNIEXPORT jlong JNICALL
Java_sun_java2d_opengl_GLXGraphicsConfig_getGLXConfigInfo(JNIEnv *env,
jclass glxgc,
jint screennum,
jint visnum)
{
#ifndef HEADLESS
J2dTraceLn(J2D_TRACE_INFO, "in GLXGraphicsConfig_getGLXConfigInfo");
return GLXGC_GetGLXConfigInfo(env, screennum, visnum);
#else
return 0;
#endif /* !HEADLESS */
}
HRESULT
D3DBufImgOps_DisableConvolveOp(D3DContext *d3dc)
{
IDirect3DDevice9 *pd3dDevice;
J2dTraceLn(J2D_TRACE_INFO, "D3DBufImgOps_DisableConvolveOp");
RETURN_STATUS_IF_NULL(d3dc, E_FAIL);
d3dc->UpdateState(STATE_CHANGE);
// disable the ConvolveOp shader
pd3dDevice = d3dc->Get3DDevice();
return pd3dDevice->SetPixelShader(NULL);
}
void
OGLRenderer_FillRect(OGLContext *oglc, jint x, jint y, jint w, jint h)
{
J2dTraceLn(J2D_TRACE_INFO, "OGLRenderer_FillRect");
if (w <= 0 || h <= 0) {
return;
}
RETURN_IF_NULL(oglc);
CHECK_PREVIOUS_OP(GL_QUADS);
GLRECT_BODY_XYWH(x, y, w, h);
}
/*
* Class: sun_java2d_windows_GDIRenderer
* Method: doDrawArc
* Signature: (Lsun/java2d/windows/GDIWindowSurfaceData;Lsun/java2d/pipe/Region;Ljava/awt/Composite;IIIIIII)V
*/
JNIEXPORT void JNICALL
Java_sun_java2d_windows_GDIRenderer_doDrawArc
(JNIEnv *env, jobject wr,
jobject sData,
jobject clip, jobject comp, jint color,
jint x, jint y, jint w, jint h,
jint angleStart, jint angleExtent)
{
J2dTraceLn(J2D_TRACE_INFO, "GDIRenderer_doDrawArc");
J2dTraceLn5(J2D_TRACE_VERBOSE,
" color=0x%x x=%-4d y=%-4d w=%-4d h=%-4d",
color, x, y, w, h);
J2dTraceLn2(J2D_TRACE_VERBOSE,
" angleStart=%-4d angleExtent=%-4d",
angleStart, angleExtent);
if (w < 0 || h < 0 || angleExtent == 0) {
return;
}
GDIWinSDOps *wsdo = GDIWindowSurfaceData_GetOps(env, sData);
if (wsdo == NULL) {
return;
}
long sx, sy, ex, ey;
if (angleExtent >= 360 || angleExtent <= -360) {
sx = ex = x + w;
sy = ey = y + h/2;
} else {
int angleEnd;
if (angleExtent < 0) {
angleEnd = angleStart;
angleStart += angleExtent;
} else {
angleEnd = angleStart + angleExtent;
}
AngleToCoord(angleStart, w, h, &sx, &sy);
sx += x + w/2;
sy += y + h/2;
AngleToCoord(angleEnd, w, h, &ex, &ey);
ex += x + w/2;
ey += y + h/2;
}
HDC hdc = wsdo->GetDC(env, wsdo, PEN, NULL, clip, comp, color);
if (hdc == NULL) {
return;
}
::Arc(hdc, x, y, x+w+1, y+h+1, sx, sy, ex, ey);
wsdo->ReleaseDC(env, wsdo, hdc);
}
JNIEXPORT void JNICALL
Java_sun_java2d_opengl_OGLTextRenderer_drawGlyphList
(JNIEnv *env, jobject self,
jint numGlyphs, jboolean usePositions,
jboolean subPixPos, jboolean rgbOrder, jint lcdContrast,
jfloat glyphListOrigX, jfloat glyphListOrigY,
jlongArray imgArray, jfloatArray posArray)
{
unsigned char *images;
J2dTraceLn(J2D_TRACE_INFO, "OGLTextRenderer_drawGlyphList");
images = (unsigned char *)
(*env)->GetPrimitiveArrayCritical(env, imgArray, NULL);
if (images != NULL) {
OGLContext *oglc = OGLRenderQueue_GetCurrentContext();
OGLSDOps *dstOps = OGLRenderQueue_GetCurrentDestination();
if (usePositions) {
unsigned char *positions = (unsigned char *)
(*env)->GetPrimitiveArrayCritical(env, posArray, NULL);
if (positions != NULL) {
OGLTR_DrawGlyphList(env, oglc, dstOps,
numGlyphs, usePositions,
subPixPos, rgbOrder, lcdContrast,
glyphListOrigX, glyphListOrigY,
images, positions);
(*env)->ReleasePrimitiveArrayCritical(env, posArray,
positions, JNI_ABORT);
}
} else {
OGLTR_DrawGlyphList(env, oglc, dstOps,
numGlyphs, usePositions,
subPixPos, rgbOrder, lcdContrast,
glyphListOrigX, glyphListOrigY,
images, NULL);
}
// 6358147: reset current state, and ensure rendering is
// flushed to dest
if (oglc != NULL) {
RESET_PREVIOUS_OP();
j2d_glFlush();
}
(*env)->ReleasePrimitiveArrayCritical(env, imgArray,
images, JNI_ABORT);
}
}
HRESULT
D3DResourceManager::CreateInstance(D3DContext *pCtx,
D3DResourceManager** ppResourceMgr)
{
HRESULT res;
J2dTraceLn(J2D_TRACE_INFO, "D3DRM::CreateInstance");
*ppResourceMgr = new D3DResourceManager();
if (FAILED(res = (*ppResourceMgr)->Init(pCtx))) {
delete *ppResourceMgr;
*ppResourceMgr = NULL;
}
return res;
}
/**
* Decreases the reference count of the array. If the refCount goes to 0,
* then there are no more references to the array and all of the
* array elements, the array itself, and this object can be destroyed.
*
* Returns the number of references left after it was decremented.
*/
int Devices::Release()
{
J2dTraceLn(J2D_TRACE_INFO, "Devices::Release");
CriticalSection::Lock l(arrayLock);
int refs = --refCount;
J2dTraceLn1(J2D_TRACE_VERBOSE, " refCount=%d", refs);
if (refs == 0) {
J2dTraceLn(J2D_TRACE_VERBOSE, " disposing the array");
if (devices != NULL) {
for (int i = 0; i < numDevices; ++i) {
if (devices[i] != NULL) {
delete devices[i];
devices[i] = NULL;
}
}
free(devices);
// null out data, can help with debugging
devices = NULL;
}
// it's safe to delete the instance and only
// then release the static lock
delete this;
// for safety return immediately after committing suicide
// (note: can not reference refCount here!)
return refs;
} else if (refs < 0) {
J2dTraceLn1(J2D_TRACE_ERROR,
"Devices::Release: Negative ref count! refCount=%d",
refs);
}
return refs;
}
JNIEXPORT jlong JNICALL
Java_sun_java2d_opengl_WGLGraphicsConfig_makeNativeSharedContextCurrent
(JNIEnv *env, jobject wglsd, jlong pCtx)
{
OGLContext *oglc = (OGLContext *)jlong_to_ptr(pCtx);
WGLCtxInfo *ctxinfo;
J2dTraceLn(J2D_TRACE_INFO,
"in WGLGraphicsConfig_makeNativeSharedContextCurrent");
if (oglc == NULL) {
J2dTraceLn(J2D_TRACE_ERROR, "shared context is null");
return 0L;
}
ctxinfo = (WGLCtxInfo *)oglc->ctxInfo;
if (!j2d_wglMakeCurrent(sharedSurfaceDC, ctxinfo->context)) {
J2dTraceLn(J2D_TRACE_ERROR,
"could not make shared WGL context current");
return 0L;
}
return pCtx;
}
/**
* Returns JNI_TRUE if the given GL_VERSION string meets the minimum
* requirements (>= 1.2); JNI_FALSE otherwise.
*/
jboolean
OGLContext_IsVersionSupported(const unsigned char *versionstr)
{
J2dTraceLn(J2D_TRACE_INFO, "OGLContext_IsVersionSupported");
if (versionstr == NULL) {
J2dRlsTraceLn(J2D_TRACE_ERROR,
"OGLContext_IsVersionSupported: version string is null");
return JNI_FALSE;
}
// note that this check allows for OpenGL 2.x
return ((versionstr[0] == '1' && versionstr[2] >= '2') ||
(versionstr[0] >= '2'));
}