| /* |
| * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| |
| #include <jni.h> |
| #include <awt.h> |
| #include "Trace.h" |
| #include "WindowsFlags.h" |
| #include "dxInit.h" |
| |
| BOOL ddVramForced; // disable punting of ddraw buffers |
| BOOL accelReset; // reset registry 2d acceleration settings |
| BOOL useDD; // ddraw enabled flag |
| BOOL useD3D; // d3d enabled flag |
| BOOL forceD3DUsage; // force d3d on or off |
| jboolean g_offscreenSharing; // JAWT accelerated surface sharing |
| BOOL useDDLock; // Disabled for win2k/XP |
| BOOL checkRegistry; // Diagnostic tool: outputs 2d registry settings |
| BOOL disableRegistry; // Diagnostic tool: disables registry interaction |
| BOOL setHighDPIAware; // Whether to set the high-DPI awareness flag |
| |
| extern WCHAR *j2dAccelKey; // Name of java2d root key |
| extern WCHAR *j2dAccelDriverKey; // Name of j2d per-device key |
| |
| static jfieldID ddEnabledID; |
| static jfieldID d3dEnabledID; |
| static jfieldID d3dSetID; |
| static jfieldID ddSetID; |
| static jclass wFlagsClassID; |
| |
| void SetIDs(JNIEnv *env, jclass wFlagsClass) |
| { |
| wFlagsClassID = (jclass)env->NewGlobalRef(wFlagsClass); |
| ddEnabledID = env->GetStaticFieldID(wFlagsClass, "ddEnabled", "Z"); |
| d3dEnabledID = env->GetStaticFieldID(wFlagsClass, "d3dEnabled", "Z"); |
| d3dSetID = env->GetStaticFieldID(wFlagsClass, "d3dSet", "Z"); |
| ddSetID = env->GetStaticFieldID(wFlagsClass, "ddSet", "Z"); |
| } |
| |
| BOOL GetStaticBoolean(JNIEnv *env, jclass wfClass, const char *fieldName) |
| { |
| jfieldID fieldID = env->GetStaticFieldID(wfClass, fieldName, "Z"); |
| return env->GetStaticBooleanField(wfClass, fieldID); |
| } |
| |
| jobject GetStaticObject(JNIEnv *env, jclass wfClass, const char *fieldName, |
| const char *signature) |
| { |
| jfieldID fieldID = env->GetStaticFieldID(wfClass, fieldName, signature); |
| return env->GetStaticObjectField(wfClass, fieldID); |
| } |
| |
| void GetFlagValues(JNIEnv *env, jclass wFlagsClass) |
| { |
| useDD = env->GetStaticBooleanField(wFlagsClass, ddEnabledID); |
| jboolean ddSet = env->GetStaticBooleanField(wFlagsClass, ddSetID); |
| 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; |
| ddVramForced = GetStaticBoolean(env, wFlagsClass, "ddVramForced"); |
| g_offscreenSharing = GetStaticBoolean(env, wFlagsClass, |
| "offscreenSharingEnabled"); |
| useDDLock = GetStaticBoolean(env, wFlagsClass, "ddLockEnabled"); |
| jboolean ddLockSet = GetStaticBoolean(env, wFlagsClass, "ddLockSet"); |
| 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;"); |
| jboolean isCopy; |
| const jchar *javaVersion = env->GetStringChars(javaVersionString, |
| &isCopy); |
| jsize versionLength = env->GetStringLength(javaVersionString); |
| size_t j2dRootKeyLength = wcslen(J2D_ACCEL_KEY_ROOT); |
| j2dAccelKey = (WCHAR *)safe_Calloc((j2dRootKeyLength + versionLength + 2), |
| sizeof(WCHAR)); |
| wcscpy(j2dAccelKey, J2D_ACCEL_KEY_ROOT); |
| wcscat(j2dAccelKey, javaVersion); |
| wcscat(j2dAccelKey, L"\\"); |
| j2dAccelDriverKey = |
| (WCHAR *)safe_Calloc((wcslen(j2dAccelKey) + |
| wcslen(J2D_ACCEL_DRIVER_SUBKEY) + 1), |
| sizeof(WCHAR)); |
| wcscpy(j2dAccelDriverKey, j2dAccelKey); |
| wcscat(j2dAccelDriverKey, J2D_ACCEL_DRIVER_SUBKEY); |
| env->ReleaseStringChars(javaVersionString, javaVersion); |
| |
| setHighDPIAware = |
| (IS_WINVISTA && GetStaticBoolean(env, wFlagsClass, "setHighDPIAware")); |
| |
| // Change default value of some flags based on OS-specific requirements |
| if (IS_WINVISTA && !(ddSet && useDD)) { |
| // Disable ddraw on vista due to issues with mixing GDI and ddraw |
| // unless ddraw is forced |
| SetDDEnabledFlag(env, FALSE); |
| J2dRlsTraceLn(J2D_TRACE_WARNING, |
| "GetFlagValues: DDraw/D3D is disabled on Windows Vista"); |
| } |
| |
| if (IS_NT && !(IS_WIN2000)) { |
| // Do not enable d3d on NT4; d3d is only supported through |
| // software on that platform |
| SetD3DEnabledFlag(env, FALSE, FALSE); |
| J2dRlsTraceLn(J2D_TRACE_WARNING, |
| "GetFlagValues: D3D is disabled on Win NT"); |
| } |
| if (IS_WIN64 && !d3dSet) { |
| // Only enable d3d on Itanium if user forces it on. |
| // D3d was not functioning on initial XP Itanium releases |
| // so we do not want it suddenly enabled in the field without |
| // having tested that codepath first. |
| SetD3DEnabledFlag(env, FALSE, FALSE); |
| J2dRlsTraceLn(J2D_TRACE_WARNING, |
| "GetFlagValues: D3D is disabled on 64-bit OSs"); |
| } |
| if (IS_WIN2000 && !ddLockSet) { // valid for win2k, XP, and future OSs |
| // Fix for cursor flicker on win2k and XP (bug 4409306). The |
| // fix is to avoid using DDraw for locking the |
| // screen. Ideally, we will handle most operations to the |
| // screen through new GDI Blt loops (GDIBlitLoops.cpp), |
| // but failing there we will punt to GDI instead of DDraw for |
| // locking the screen. |
| useDDLock = FALSE; |
| J2dRlsTraceLn(J2D_TRACE_WARNING, |
| "GetFlagValues: DDraw screen locking is "\ |
| "disabled (W2K, XP+)"); |
| } |
| J2dTraceLn(J2D_TRACE_INFO, "WindowsFlags (native):"); |
| J2dTraceLn1(J2D_TRACE_INFO, " ddEnabled = %s", |
| (useDD ? "true" : "false")); |
| J2dTraceLn1(J2D_TRACE_INFO, " ddSet = %s", |
| (ddSet ? "true" : "false")); |
| J2dTraceLn1(J2D_TRACE_INFO, " ddVramForced = %s", |
| (ddVramForced ? "true" : "false")); |
| J2dTraceLn1(J2D_TRACE_INFO, " d3dEnabled = %s", |
| (useD3D ? "true" : "false")); |
| J2dTraceLn1(J2D_TRACE_INFO, " d3dSet = %s", |
| (forceD3DUsage ? "true" : "false")); |
| J2dTraceLn1(J2D_TRACE_INFO, " ddLockEnabled = %s", |
| (useDDLock ? "true" : "false")); |
| J2dTraceLn1(J2D_TRACE_INFO, " ddLockSet = %s", |
| (ddLockSet ? "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")); |
| } |
| |
| void SetD3DEnabledFlag(JNIEnv *env, BOOL d3dEnabled, BOOL d3dSet) |
| { |
| useD3D = d3dEnabled; |
| forceD3DUsage = d3dSet; |
| if (env == NULL) { |
| env = (JNIEnv * ) JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| } |
| env->SetStaticBooleanField(wFlagsClassID, d3dEnabledID, d3dEnabled); |
| if (d3dSet) { |
| env->SetStaticBooleanField(wFlagsClassID, d3dSetID, d3dSet); |
| } |
| } |
| |
| void SetDDEnabledFlag(JNIEnv *env, BOOL ddEnabled) |
| { |
| useDD = ddEnabled; |
| if (env == NULL) { |
| env = (JNIEnv * ) JNU_GetEnv(jvm, JNI_VERSION_1_2); |
| } |
| env->SetStaticBooleanField(wFlagsClassID, ddEnabledID, ddEnabled); |
| } |
| |
| extern "C" { |
| |
| /** |
| * This function is called from WindowsFlags.initFlags() and initializes |
| * the native side of our runtime flags. There are a couple of important |
| * things that happen at the native level after we set the Java flags: |
| * - set native variables based on the java flag settings (such as useDD |
| * based on whether ddraw was enabled by a runtime flag) |
| * - override java level settings if there user has set an environment |
| * variable but not a runtime flag. For example, if the user runs |
| * with sun.java2d.d3d=true but also uses the J2D_D3D=false environment |
| * variable, then we use the java-level true value. But if they do |
| * not use the runtime flag, then the env variable will force d3d to |
| * be disabled. Any native env variable overriding must up-call to |
| * Java to change the java level flag settings. |
| * - A later error in initialization may result in disabling some |
| * native property that must be propagated to the Java level. For |
| * example, d3d is enabled by default, but we may find later that |
| * we must disable it do to some runtime configuration problem (such as |
| * a bad video card). This will happen through mechanisms in this native |
| * file to change the value of the known Java flags (in this d3d example, |
| * we would up-call to set the value of d3dEnabled to Boolean.FALSE). |
| */ |
| JNIEXPORT void JNICALL |
| Java_sun_java2d_windows_WindowsFlags_initNativeFlags(JNIEnv *env, |
| jclass wFlagsClass) |
| { |
| SetIDs(env, wFlagsClass); |
| GetFlagValues(env, wFlagsClass); |
| } |
| |
| } // extern "C" |
