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-rw-r--r--src/jogl/classes/jogamp/opengl/GLGraphicsConfigurationUtil.java13
-rw-r--r--src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfiguration.java22
-rw-r--r--src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfigurationFactory.java8
-rw-r--r--src/nativewindow/native/windows/WindowsDWM.c94
-rw-r--r--src/nativewindow/native/windows/WindowsDWM.h40
5 files changed, 176 insertions, 1 deletions
diff --git a/src/jogl/classes/jogamp/opengl/GLGraphicsConfigurationUtil.java b/src/jogl/classes/jogamp/opengl/GLGraphicsConfigurationUtil.java
index 19a664071..cc7a578cd 100644
--- a/src/jogl/classes/jogamp/opengl/GLGraphicsConfigurationUtil.java
+++ b/src/jogl/classes/jogamp/opengl/GLGraphicsConfigurationUtil.java
@@ -145,4 +145,17 @@ public class GLGraphicsConfigurationUtil {
return capsRequested;
}
+ public static GLCapabilitiesImmutable fixOpaqueGLCapabilities(GLCapabilitiesImmutable capsRequested, boolean isOpaque)
+ {
+ GLCapabilities caps2 = null;
+
+ if( capsRequested.isBackgroundOpaque() != isOpaque) {
+ // fix caps ..
+ caps2 = (GLCapabilities) capsRequested.cloneMutable();
+ caps2.setBackgroundOpaque(isOpaque);
+ return caps2;
+ }
+ return capsRequested;
+ }
+
}
diff --git a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfiguration.java b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfiguration.java
index a82a7a38c..989906514 100644
--- a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfiguration.java
+++ b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfiguration.java
@@ -48,7 +48,9 @@ import javax.media.opengl.GLException;
import javax.media.opengl.GLPbuffer;
import javax.media.opengl.GLProfile;
+import jogamp.nativewindow.windows.DWM_BLURBEHIND;
import jogamp.nativewindow.windows.GDI;
+import jogamp.nativewindow.windows.MARGINS;
import jogamp.nativewindow.windows.PIXELFORMATDESCRIPTOR;
import jogamp.opengl.GLGraphicsConfigurationUtil;
@@ -164,9 +166,27 @@ public class WindowsWGLGraphicsConfiguration extends DefaultGraphicsConfiguratio
" for device context " + toHexString(hdc) +
": error code " + GDI.GetLastError());
}
+ if(!caps.isBackgroundOpaque()) {
+ final long hwnd = GDI.WindowFromDC(hdc);
+ DWM_BLURBEHIND bb = DWM_BLURBEHIND.create();
+ bb.setDwFlags(GDI.DWM_BB_ENABLE);
+ bb.setFEnable(1);
+ boolean ok = GDI.DwmEnableBlurBehindWindow(hwnd, bb);
+ if(ok) {
+ MARGINS m = MARGINS.create();
+ m.setCxLeftWidth(-1);
+ m.setCxRightWidth(-1);
+ m.setCyBottomHeight(-1);
+ m.setCyTopHeight(-1);
+ ok = GDI.DwmExtendFrameIntoClientArea(hwnd, m);
+ }
+ if(DEBUG) {
+ System.err.println("!!! translucency enabled on wnd: 0x"+Long.toHexString(hwnd)+" - ok: "+ok);
+ }
+ }
if (DEBUG) {
System.err.println("!!! setPixelFormat (ARB): hdc "+toHexString(hdc) +", "+caps);
- }
+ }
setCapsPFD(caps);
}
diff --git a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfigurationFactory.java b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfigurationFactory.java
index 1c607d2c7..178f2777c 100644
--- a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfigurationFactory.java
+++ b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLGraphicsConfigurationFactory.java
@@ -42,6 +42,7 @@ import javax.media.nativewindow.GraphicsConfigurationFactory;
import javax.media.nativewindow.CapabilitiesImmutable;
import javax.media.nativewindow.NativeSurface;
import javax.media.nativewindow.NativeWindowFactory;
+import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLCapabilitiesImmutable;
import javax.media.opengl.GLCapabilitiesChooser;
import javax.media.opengl.GLContext;
@@ -298,9 +299,14 @@ public class WindowsWGLGraphicsConfigurationFactory extends GLGraphicsConfigurat
}
GLCapabilitiesImmutable capsChosen = (GLCapabilitiesImmutable) config.getChosenCapabilities();
+ boolean isOpaque = capsChosen.isBackgroundOpaque() && GDI.DwmIsCompositionEnabled();
boolean onscreen = capsChosen.isOnscreen();
boolean usePBuffer = capsChosen.isPBuffer();
GLProfile glProfile = capsChosen.getGLProfile();
+
+ if(DEBUG) {
+ System.err.println("!!! translucency requested: "+(!capsChosen.isBackgroundOpaque())+", compositioning enabled: "+GDI.DwmIsCompositionEnabled()+" -> translucency "+(!isOpaque));
+ }
WGLGLCapabilities pixelFormatCaps = null; // chosen or preset PFD ID's caps
boolean pixelFormatSet = false; // indicates a preset PFD ID [caps]
@@ -316,6 +322,7 @@ public class WindowsWGLGraphicsConfigurationFactory extends GLGraphicsConfigurat
}
pixelFormatSet = true;
pixelFormatCaps = WindowsWGLGraphicsConfiguration.wglARBPFID2GLCapabilities(sharedResource, hdc, presetPFDID, glProfile, onscreen, usePBuffer);
+ pixelFormatCaps = (WGLGLCapabilities) GLGraphicsConfigurationUtil.fixOpaqueGLCapabilities(pixelFormatCaps, isOpaque);
} else {
int recommendedIndex = -1; // recommended index
@@ -393,6 +400,7 @@ public class WindowsWGLGraphicsConfigurationFactory extends GLGraphicsConfigurat
" chosen pfdID: native recommended "+ (recommendedIndex+1) +
" chosen idx "+chosenIndex);
}
+ pixelFormatCaps = (WGLGLCapabilities) GLGraphicsConfigurationUtil.fixOpaqueGLCapabilities(pixelFormatCaps, isOpaque);
if (DEBUG) {
System.err.println("!!! chosen pfdID (ARB): native recommended "+ (recommendedIndex+1) +
" chosen "+pixelFormatCaps);
diff --git a/src/nativewindow/native/windows/WindowsDWM.c b/src/nativewindow/native/windows/WindowsDWM.c
new file mode 100644
index 000000000..4240e50a8
--- /dev/null
+++ b/src/nativewindow/native/windows/WindowsDWM.c
@@ -0,0 +1,94 @@
+
+#include "WindowsDWM.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+// #define VERBOSE_ON 1
+
+#ifdef VERBOSE_ON
+ #define DBG_PRINT(args...) fprintf(stderr, args);
+#else
+ #define DBG_PRINT(args...)
+#endif
+
+/* GetProcAddress doesn't exist in A/W variants under desktop Windows */
+#ifndef UNDER_CE
+#define GetProcAddressA GetProcAddress
+#endif
+
+typedef HRESULT (WINAPI *DwmEnableCompositionPROCADDR)(UINT uCompositionAction);
+typedef HRESULT (WINAPI *DwmIsCompositionEnabledPROCADDR)(BOOL * pfEnabled);
+typedef HRESULT (WINAPI *DwmEnableBlurBehindWindowPROCADDR)(HWND hWnd, const DWM_BLURBEHIND* pBlurBehind);
+typedef HRESULT (WINAPI *DwmExtendFrameIntoClientAreaPROCADDR)(HWND hwnd, const MARGINS *pMarInset);
+
+static int _init = 0; // 1: init, 2: has DWM extension
+static DwmEnableCompositionPROCADDR _DwmEnableComposition = NULL;
+static DwmIsCompositionEnabledPROCADDR _DwmIsCompositionEnabled = NULL;
+static DwmEnableBlurBehindWindowPROCADDR _DwmEnableBlurBehindWindow = NULL;
+static DwmExtendFrameIntoClientAreaPROCADDR _DwmExtendFrameIntoClientArea = NULL;
+
+static int initWindowsDWM() {
+ if(0 == _init) {
+ _init = 1;
+ HANDLE shell = LoadLibrary(TEXT("dwmapi.dll"));
+ if (shell) {
+ _DwmEnableComposition = (DwmEnableCompositionPROCADDR) GetProcAddressA (shell, "DwmEnableComposition");
+ _DwmIsCompositionEnabled = (DwmIsCompositionEnabledPROCADDR) GetProcAddressA (shell, "DwmIsCompositionEnabled");
+ _DwmEnableBlurBehindWindow = (DwmEnableBlurBehindWindowPROCADDR) GetProcAddressA (shell, "DwmEnableBlurBehindWindow");
+ _DwmExtendFrameIntoClientArea = (DwmExtendFrameIntoClientAreaPROCADDR) GetProcAddressA (shell, "DwmExtendFrameIntoClientArea");
+ if(NULL != _DwmEnableBlurBehindWindow && NULL != _DwmExtendFrameIntoClientArea) {
+ _init = 2;
+ }
+ }
+ // FreeLibrary (shell);
+ DBG_PRINT("DWM - initWindowsDWM: %d - s %p, e %p, c %p\n", _init, shell, _DwmEnableBlurBehindWindow, _DwmExtendFrameIntoClientArea);
+ }
+ return _init;
+}
+
+BOOL DwmIsExtensionAvailable() {
+ return (2 == initWindowsDWM()) ? TRUE : FALSE;
+}
+
+BOOL DwmIsCompositionEnabled( ) {
+ if(2 == initWindowsDWM()) {
+ BOOL fEnabled = FALSE;
+ if( 0 == _DwmIsCompositionEnabled(&fEnabled) ) {
+ DBG_PRINT("DWM - DwmIsCompositionEnabled: %d\n", fEnabled);
+ return fEnabled;
+ }
+ }
+ DBG_PRINT("DWM - DwmIsCompositionEnabled failed\n");
+ return FALSE;
+}
+
+BOOL DwmEnableComposition( UINT uCompositionAction ) {
+ if(2 == initWindowsDWM()) {
+ return 0 == _DwmEnableComposition(uCompositionAction) ? TRUE : FALSE;
+ }
+ return FALSE;
+}
+
+BOOL DwmEnableBlurBehindWindow(HWND hwnd, const DWM_BLURBEHIND* pBlurBehind) {
+ if(2 == initWindowsDWM()) {
+ _DwmEnableBlurBehindWindow(hwnd, pBlurBehind);
+ DBG_PRINT("DWM - DwmEnableBlurBehindWindow: hwnd %p, f %d, on %d, %p\n",
+ (void *)hwnd,
+ (int) pBlurBehind->dwFlags,
+ (int) pBlurBehind->fEnable,
+ (void *)pBlurBehind->hRgnBlur);
+ return TRUE;
+ }
+ DBG_PRINT("DWM - DwmEnableBlurBehindWindow: n/a\n");
+ return FALSE;
+}
+
+BOOL DwmExtendFrameIntoClientArea(HWND hwnd, const MARGINS *pMarInset) {
+ if(2 == initWindowsDWM()) {
+ _DwmExtendFrameIntoClientArea(hwnd, pMarInset);
+ return TRUE;
+ }
+ return FALSE;
+}
+
diff --git a/src/nativewindow/native/windows/WindowsDWM.h b/src/nativewindow/native/windows/WindowsDWM.h
new file mode 100644
index 000000000..742db1628
--- /dev/null
+++ b/src/nativewindow/native/windows/WindowsDWM.h
@@ -0,0 +1,40 @@
+#ifndef _WINDOWS_DWM_H_
+#define _WINDOWS_DWM_H_
+
+ #include <windows.h>
+
+ #define DWM_BB_ENABLE 0x00000001 // fEnable has been specified
+ #define DWM_EC_DISABLECOMPOSITION 0
+ #define DWM_EC_ENABLECOMPOSITION 1
+
+ typedef struct _DWM_BLURBEHIND
+ {
+ DWORD dwFlags;
+ BOOL fEnable;
+ HRGN hRgnBlur;
+ BOOL fTransitionOnMaximized;
+ } DWM_BLURBEHIND, *PDWM_BLURBEHIND;
+
+ typedef struct _MARGINS
+ {
+ int cxLeftWidth; // width of left border that retains its size
+ int cxRightWidth; // width of right border that retains its size
+ int cyTopHeight; // height of top border that retains its size
+ int cyBottomHeight; // height of bottom border that retains its size
+ } MARGINS, *PMARGINS;
+
+ BOOL DwmIsExtensionAvailable();
+ BOOL DwmIsCompositionEnabled();
+ BOOL DwmEnableComposition( UINT uCompositionAction );
+ BOOL DwmEnableBlurBehindWindow(HWND hwnd, const DWM_BLURBEHIND* pBlurBehind);
+ BOOL DwmExtendFrameIntoClientArea(HWND hwnd, const MARGINS *pMarInset);
+
+ /*
+ DWM_BLURBEHIND bb = {0};
+ bb.dwFlags = DWM_BB_ENABLE;
+ bb.fEnable = true;
+ bb.hRgnBlur = NULL;
+ DwmEnableBlurBehindWindow(hWnd, &bb);
+ */
+
+#endif /* _WINDOWS_DWM_H_ */