aboutsummaryrefslogtreecommitdiffstats
path: root/src/classes/com/sun/opengl/impl/macosx/MacOSXGLContext.java
diff options
context:
space:
mode:
authorKenneth Russel <[email protected]>2005-10-24 19:21:03 +0000
committerKenneth Russel <[email protected]>2005-10-24 19:21:03 +0000
commitd6f9dbc493df725d3d574403549de142c5e1222a (patch)
tree8eb152b0627f8d1897a27c5204d6ce2efb4963e4 /src/classes/com/sun/opengl/impl/macosx/MacOSXGLContext.java
parent42843c3290d64c41c9c8a18b93f5ad3c00d35ddc (diff)
Merged JSR-231 branch on to the main JOGL trunk. The main trunk now
contains the evolving JSR-231 Reference Implementation and the JSR-231 branch is permanently closed. git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@401 232f8b59-042b-4e1e-8c03-345bb8c30851
Diffstat (limited to 'src/classes/com/sun/opengl/impl/macosx/MacOSXGLContext.java')
-rw-r--r--src/classes/com/sun/opengl/impl/macosx/MacOSXGLContext.java261
1 files changed, 261 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/impl/macosx/MacOSXGLContext.java b/src/classes/com/sun/opengl/impl/macosx/MacOSXGLContext.java
new file mode 100644
index 000000000..e7b06e32e
--- /dev/null
+++ b/src/classes/com/sun/opengl/impl/macosx/MacOSXGLContext.java
@@ -0,0 +1,261 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistribution of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistribution in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ *
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package com.sun.opengl.impl.macosx;
+
+import java.nio.*;
+import java.util.*;
+import javax.media.opengl.*;
+import com.sun.opengl.impl.*;
+
+public abstract class MacOSXGLContext extends GLContextImpl
+{
+ protected MacOSXGLDrawable drawable;
+ protected long nsContext; // NSOpenGLContext
+ private CGLExt cglExt;
+ // Table that holds the addresses of the native C-language entry points for
+ // CGL extension functions.
+ private CGLExtProcAddressTable cglExtProcAddressTable;
+
+ public MacOSXGLContext(MacOSXGLDrawable drawable,
+ GLContext shareWith)
+ {
+ super(shareWith);
+ this.drawable = drawable;
+ }
+
+ public Object getPlatformGLExtensions() {
+ return getCGLExt();
+ }
+
+ public CGLExt getCGLExt() {
+ if (cglExt == null) {
+ cglExt = new CGLExtImpl(this);
+ }
+ return cglExt;
+ }
+
+ public GLDrawable getGLDrawable() {
+ return drawable;
+ }
+
+ protected String mapToRealGLFunctionName(String glFunctionName)
+ {
+ return glFunctionName;
+ }
+
+ protected String mapToRealGLExtensionName(String glExtensionName)
+ {
+ return glExtensionName;
+ }
+
+ protected boolean create() {
+ return create(false, false);
+ }
+
+ /**
+ * Creates and initializes an appropriate OpenGl nsContext. Should only be
+ * called by {@link makeCurrentImpl()}.
+ */
+ protected boolean create(boolean pbuffer, boolean floatingPoint) {
+ MacOSXGLContext other = (MacOSXGLContext) GLContextShareSet.getShareContext(this);
+ long share = 0;
+ if (other != null) {
+ share = other.getNSContext();
+ if (share == 0) {
+ throw new GLException("GLContextShareSet returned an invalid OpenGL context");
+ }
+ }
+ int[] viewNotReady = new int[1];
+ GLCapabilities capabilities = drawable.getCapabilities();
+ nsContext = CGL.createContext(share,
+ drawable.getView(),
+ capabilities.getDoubleBuffered() ? 1 : 0,
+ capabilities.getStereo() ? 1 : 0,
+ capabilities.getRedBits(),
+ capabilities.getGreenBits(),
+ capabilities.getBlueBits(),
+ capabilities.getAlphaBits(),
+ capabilities.getDepthBits(),
+ capabilities.getStencilBits(),
+ capabilities.getAccumRedBits(),
+ capabilities.getAccumGreenBits(),
+ capabilities.getAccumBlueBits(),
+ capabilities.getAccumAlphaBits(),
+ capabilities.getSampleBuffers() ? 1 : 0,
+ capabilities.getNumSamples(),
+ (pbuffer ? 1 : 0),
+ (floatingPoint ? 1 : 0),
+ viewNotReady, 0);
+ if (nsContext == 0) {
+ if (viewNotReady[0] == 1) {
+ if (DEBUG) {
+ System.err.println("!!! View not ready for " + getClass().getName());
+ }
+ // View not ready at the window system level -- this is OK
+ return false;
+ }
+ throw new GLException("Error creating nsContext");
+ }
+ GLContextShareSet.contextCreated(this);
+ return true;
+ }
+
+ protected int makeCurrentImpl() throws GLException {
+ boolean created = false;
+ if (nsContext == 0) {
+ if (!create()) {
+ return CONTEXT_NOT_CURRENT;
+ }
+ if (DEBUG) {
+ System.err.println("!!! Created GL nsContext for " + getClass().getName());
+ }
+ created = true;
+ }
+
+ if (!CGL.makeCurrentContext(nsContext, drawable.getView())) {
+ throw new GLException("Error making nsContext current");
+ }
+
+ if (created) {
+ resetGLFunctionAvailability();
+ return CONTEXT_CURRENT_NEW;
+ }
+ return CONTEXT_CURRENT;
+ }
+
+ protected void releaseImpl() throws GLException {
+ if (!CGL.clearCurrentContext(nsContext, drawable.getView())) {
+ throw new GLException("Error freeing OpenGL nsContext");
+ }
+ }
+
+ protected void destroyImpl() throws GLException {
+ if (nsContext != 0) {
+ if (!CGL.deleteContext(nsContext, 0)) {
+ throw new GLException("Unable to delete OpenGL context");
+ }
+ if (DEBUG) {
+ System.err.println("!!! Destroyed OpenGL context " + nsContext);
+ }
+ nsContext = 0;
+ GLContextShareSet.contextDestroyed(this);
+ }
+ }
+
+ public boolean isCreated() {
+ return (nsContext != 0);
+ }
+
+ protected void resetGLFunctionAvailability()
+ {
+ super.resetGLFunctionAvailability();
+ if (DEBUG) {
+ System.err.println("!!! Initializing CGL extension address table");
+ }
+ resetProcAddressTable(getCGLExtProcAddressTable());
+ }
+
+ public CGLExtProcAddressTable getCGLExtProcAddressTable() {
+ if (cglExtProcAddressTable == null) {
+ // FIXME: cache ProcAddressTables by capability bits so we can
+ // share them among contexts with the same capabilities
+ cglExtProcAddressTable = new CGLExtProcAddressTable();
+ }
+ return cglExtProcAddressTable;
+ }
+
+ public String getPlatformExtensionsString()
+ {
+ return "";
+ }
+
+ public void setSwapInterval(int interval) {
+ if (nsContext == 0) {
+ throw new GLException("OpenGL context not current");
+ }
+ CGL.setSwapInterval(nsContext, interval);
+ }
+
+ public ByteBuffer glAllocateMemoryNV(int arg0, float arg1, float arg2, float arg3) {
+ // FIXME: apparently the Apple extension doesn't require a custom memory allocator
+ throw new GLException("Not yet implemented");
+ }
+
+ protected boolean isFunctionAvailable(String glFunctionName)
+ {
+ return super.isFunctionAvailable(glFunctionName);
+ }
+
+ public boolean isExtensionAvailable(String glExtensionName) {
+ if (glExtensionName.equals("GL_ARB_pbuffer") ||
+ glExtensionName.equals("GL_ARB_pixel_format")) {
+ return true;
+ }
+ return super.isExtensionAvailable(glExtensionName);
+ }
+
+ public int getOffscreenContextPixelDataType() {
+ throw new GLException("Should not call this");
+ }
+
+ public int getOffscreenContextReadBuffer() {
+ throw new GLException("Should not call this");
+ }
+
+ public boolean offscreenImageNeedsVerticalFlip() {
+ throw new GLException("Should not call this");
+ }
+
+ public void bindPbufferToTexture() {
+ throw new GLException("Should not call this");
+ }
+
+ public void releasePbufferFromTexture() {
+ throw new GLException("Should not call this");
+ }
+
+ //----------------------------------------------------------------------
+ // Internals only below this point
+ //
+
+ protected long getNSContext() {
+ return nsContext;
+ }
+}