diff options
Diffstat (limited to 'src/net/java/games/jogl/impl/x11/X11PbufferGLContext.java')
-rw-r--r-- | src/net/java/games/jogl/impl/x11/X11PbufferGLContext.java | 266 |
1 files changed, 46 insertions, 220 deletions
diff --git a/src/net/java/games/jogl/impl/x11/X11PbufferGLContext.java b/src/net/java/games/jogl/impl/x11/X11PbufferGLContext.java index 30a60ba61..bebbdb91c 100644 --- a/src/net/java/games/jogl/impl/x11/X11PbufferGLContext.java +++ b/src/net/java/games/jogl/impl/x11/X11PbufferGLContext.java @@ -43,40 +43,21 @@ import net.java.games.jogl.*; import net.java.games.jogl.impl.*; public class X11PbufferGLContext extends X11GLContext { - private static final boolean DEBUG = Debug.debug("X11PbufferGLContext"); + private X11PbufferGLDrawable drawable; - private int initWidth; - private int initHeight; - - private long buffer; // GLXPbuffer - private GLXFBConfig fbConfig; - private int width; - private int height; - - // FIXME: kept around because we create the OpenGL context lazily to - // better integrate with the X11GLContext framework - private long parentContext; - - private static final int MAX_PFORMATS = 256; - private static final int MAX_ATTRIBS = 256; - - public X11PbufferGLContext(GLCapabilities capabilities, int initialWidth, int initialHeight) { - super(null, capabilities, null, null); - this.initWidth = initialWidth; - this.initHeight = initialHeight; - if (initWidth <= 0 || initHeight <= 0) { - throw new GLException("Initial width and height of pbuffer must be positive (were (" + - initWidth + ", " + initHeight + "))"); - } + public X11PbufferGLContext(X11PbufferGLDrawable drawable, + GLContext shareWith) { + super(drawable, shareWith); + this.drawable = drawable; } public boolean canCreatePbufferContext() { return false; } - public GLContext createPbufferContext(GLCapabilities capabilities, - int initialWidth, - int initialHeight) { + public GLDrawableImpl createPbufferDrawable(GLCapabilities capabilities, + int initialWidth, + int initialHeight) { throw new GLException("Not supported"); } @@ -90,169 +71,40 @@ public class X11PbufferGLContext extends X11GLContext { throw new GLException("Not yet implemented"); } - public void createPbuffer(long display, long parentContext, GL gl) { - if (display == 0) { - throw new GLException("Null display"); - } - - if (parentContext == 0) { - throw new GLException("Null parentContext"); - } - - if (capabilities.getOffscreenRenderToTexture()) { - throw new GLException("Render-to-texture pbuffers not supported yet on X11"); - } - - if (capabilities.getOffscreenRenderToTextureRectangle()) { - throw new GLException("Render-to-texture-rectangle pbuffers not supported yet on X11"); - } - - int[] iattributes = new int [2*MAX_ATTRIBS]; - float[] fattributes = new float[2*MAX_ATTRIBS]; - int nfattribs = 0; - int niattribs = 0; - - // Since we are trying to create a pbuffer, the GLXFBConfig we - // request (and subsequently use) must be "p-buffer capable". - iattributes[niattribs++] = GL.GLX_DRAWABLE_TYPE; - iattributes[niattribs++] = GL.GLX_PBUFFER_BIT; - - iattributes[niattribs++] = GL.GLX_RENDER_TYPE; - iattributes[niattribs++] = GL.GLX_RGBA_BIT; - - iattributes[niattribs++] = GLX.GLX_DOUBLEBUFFER; - if (capabilities.getDoubleBuffered()) { - iattributes[niattribs++] = GL.GL_TRUE; - } else { - iattributes[niattribs++] = GL.GL_FALSE; - } - - iattributes[niattribs++] = GLX.GLX_DEPTH_SIZE; - iattributes[niattribs++] = capabilities.getDepthBits(); - - iattributes[niattribs++] = GLX.GLX_RED_SIZE; - iattributes[niattribs++] = capabilities.getRedBits(); - - iattributes[niattribs++] = GLX.GLX_GREEN_SIZE; - iattributes[niattribs++] = capabilities.getGreenBits(); - - iattributes[niattribs++] = GLX.GLX_BLUE_SIZE; - iattributes[niattribs++] = capabilities.getBlueBits(); - - iattributes[niattribs++] = GLX.GLX_ALPHA_SIZE; - iattributes[niattribs++] = capabilities.getAlphaBits(); - - if (capabilities.getStencilBits() > 0) { - iattributes[niattribs++] = GLX.GLX_STENCIL_SIZE; - iattributes[niattribs++] = capabilities.getStencilBits(); - } - - if (capabilities.getAccumRedBits() > 0 || - capabilities.getAccumGreenBits() > 0 || - capabilities.getAccumBlueBits() > 0) { - iattributes[niattribs++] = GLX.GLX_ACCUM_RED_SIZE; - iattributes[niattribs++] = capabilities.getAccumRedBits(); - iattributes[niattribs++] = GLX.GLX_ACCUM_GREEN_SIZE; - iattributes[niattribs++] = capabilities.getAccumGreenBits(); - iattributes[niattribs++] = GLX.GLX_ACCUM_BLUE_SIZE; - iattributes[niattribs++] = capabilities.getAccumBlueBits(); - } - - if (capabilities.getOffscreenFloatingPointBuffers()) { - if (!gl.isExtensionAvailable("GLX_NV_float_buffer")) { - throw new GLException("Floating-point pbuffers on X11 currently require NVidia hardware"); - } - iattributes[niattribs++] = GLX.GLX_FLOAT_COMPONENTS_NV; - iattributes[niattribs++] = GL.GL_TRUE; - } - - // FIXME: add FSAA support? Don't want to get into a situation - // where we have to retry the glXChooseFBConfig call if it fails - // due to a lack of an antialiased visual... - - iattributes[niattribs++] = 0; // null-terminate - - int screen = 0; // FIXME: provide way to specify this? - int[] nelementsTmp = new int[1]; - GLXFBConfig[] fbConfigs = GLX.glXChooseFBConfig(display, screen, iattributes, 0, nelementsTmp, 0); - if (fbConfigs == null || fbConfigs.length == 0 || fbConfigs[0] == null) { - throw new GLException("pbuffer creation error: glXChooseFBConfig() failed"); - } - // Note that we currently don't allow selection of anything but - // the first GLXFBConfig in the returned list - GLXFBConfig fbConfig = fbConfigs[0]; - int nelements = nelementsTmp[0]; - if (nelements <= 0) { - throw new GLException("pbuffer creation error: couldn't find a suitable frame buffer configuration"); - } - - if (DEBUG) { - System.err.println("Found " + fbConfigs.length + " matching GLXFBConfigs"); - System.err.println("Parameters of default one:"); - System.err.println("render type: 0x" + Integer.toHexString(queryFBConfig(display, fbConfig, GLX.GLX_RENDER_TYPE))); - System.err.println("rgba: " + ((queryFBConfig(display, fbConfig, GLX.GLX_RENDER_TYPE) & GLX.GLX_RGBA_BIT) != 0)); - System.err.println("r: " + queryFBConfig(display, fbConfig, GLX.GLX_RED_SIZE)); - System.err.println("g: " + queryFBConfig(display, fbConfig, GLX.GLX_GREEN_SIZE)); - System.err.println("b: " + queryFBConfig(display, fbConfig, GLX.GLX_BLUE_SIZE)); - System.err.println("a: " + queryFBConfig(display, fbConfig, GLX.GLX_ALPHA_SIZE)); - System.err.println("depth: " + queryFBConfig(display, fbConfig, GLX.GLX_DEPTH_SIZE)); - System.err.println("double buffered: " + queryFBConfig(display, fbConfig, GLX.GLX_DOUBLEBUFFER)); - } - - // Create the p-buffer. - niattribs = 0; - - iattributes[niattribs++] = GL.GLX_PBUFFER_WIDTH; - iattributes[niattribs++] = initWidth; - iattributes[niattribs++] = GL.GLX_PBUFFER_HEIGHT; - iattributes[niattribs++] = initHeight; - - iattributes[niattribs++] = 0; - - long tmpBuffer = GLX.glXCreatePbuffer(display, fbConfig, iattributes, 0); - if (tmpBuffer == 0) { - // FIXME: query X error code for detail error message - throw new GLException("pbuffer creation error: glXCreatePbuffer() failed"); - } - - // Set up instance variables - this.display = display; - mostRecentDisplay = display; - this.parentContext = parentContext; - buffer = tmpBuffer; - this.fbConfig = fbConfig; - - // Determine the actual width and height we were able to create. - int[] tmp = new int[1]; - GLX.glXQueryDrawable(display, (int) buffer, GL.GLX_WIDTH, tmp, 0); - width = tmp[0]; - GLX.glXQueryDrawable(display, (int) buffer, GL.GLX_HEIGHT, tmp, 0); - height = tmp[0]; - - if (DEBUG) { - System.err.println("Created pbuffer " + width + " x " + height); - } - } - protected int makeCurrentImpl() throws GLException { - if (buffer == 0) { - // pbuffer not instantiated yet + if (drawable.getDrawable() == 0) { + // pbuffer not instantiated (yet?) + if (DEBUG) { + System.err.println("pbuffer not instantiated"); + } return CONTEXT_NOT_CURRENT; } + // Note that we have to completely override makeCurrentImpl + // because the underlying makeCurrent call differs for pbuffers lockAWT(); try { boolean created = false; if (context == 0) { create(); if (DEBUG) { - System.err.println("!!! Created GL context for " + getClass().getName()); + System.err.println(getThreadName() + ": !!! Created GL context for " + getClass().getName()); } created = true; } - if (!GLX.glXMakeContextCurrent(display, buffer, buffer, context)) { + if (!GLX.glXMakeContextCurrent(drawable.getDisplay(), + drawable.getDrawable(), + drawable.getDrawable(), + context)) { throw new GLException("Error making context current"); + } else { + mostRecentDisplay = drawable.getDisplay(); + if (DEBUG && VERBOSE) { + System.err.println(getThreadName() + ": glXMakeCurrent(display " + toHexString(drawable.getDisplay()) + + ", drawable " + toHexString(drawable.getDrawable()) + + ", context " + toHexString(context) + ") succeeded"); + } } if (created) { @@ -268,7 +120,7 @@ public class X11PbufferGLContext extends X11GLContext { protected void releaseImpl() throws GLException { lockAWT(); try { - if (!GLX.glXMakeContextCurrent(display, 0, 0, 0)) { + if (!GLX.glXMakeContextCurrent(drawable.getDisplay(), 0, 0, 0)) { throw new GLException("Error freeing OpenGL context"); } } finally { @@ -276,16 +128,6 @@ public class X11PbufferGLContext extends X11GLContext { } } - public void handleModeSwitch(long parentHdc, long parentHglrc) { - throw new GLException("Not yet implemented"); - } - - protected boolean isOffscreen() { - // FIXME: currently the only caller of this won't cause proper - // resizing of the pbuffer anyway. - return false; - } - public int getOffscreenContextReadBuffer() { throw new GLException("Should not call this"); } @@ -294,50 +136,34 @@ public class X11PbufferGLContext extends X11GLContext { throw new GLException("Should not call this"); } + public int getFloatingPointMode() { + return drawable.getFloatingPointMode(); + } + protected void create() { if (DEBUG) { - System.err.println("Creating context for pbuffer " + width + " x " + height); + System.err.println("Creating context for pbuffer " + drawable.getWidth() + + " x " + drawable.getHeight()); } // Create a gl context for the p-buffer. - // FIXME: provide option to not share display lists with subordinate pbuffer? - context = GLX.glXCreateNewContext(display, fbConfig, GL.GLX_RGBA_TYPE, parentContext, true); + X11GLContext other = (X11GLContext) GLContextShareSet.getShareContext(this); + long share = 0; + if (other != null) { + share = other.getContext(); + if (share == 0) { + throw new GLException("GLContextShareSet returned an invalid OpenGL context"); + } + } + context = GLX.glXCreateNewContext(drawable.getDisplay(), drawable.getFBConfig(), GL.GLX_RGBA_TYPE, share, true); if (context == 0) { throw new GLException("pbuffer creation error: glXCreateNewContext() failed"); } + GLContextShareSet.contextCreated(this); if (DEBUG) { - System.err.println("Created context for pbuffer " + width + " x " + height); - } - } - - protected void destroyImpl() throws GLException { - lockAWT(); - try { - if (context != 0) { - super.destroyImpl(); - GLX.glXDestroyPbuffer(display, buffer); - buffer = 0; - } - } finally { - unlockAWT(); - } - } - - public void swapBuffers() throws GLException { - // FIXME: do we need to do anything if the pbuffer is double-buffered? - } - - public int getFloatingPointMode() { - // Floating-point pbuffers currently require NVidia hardware on X11 - return GLPbuffer.NV_FLOAT; - } - - private int queryFBConfig(long display, GLXFBConfig fbConfig, int attrib) { - int[] tmp = new int[1]; - if (GLX.glXGetFBConfigAttrib(display, fbConfig, attrib, tmp, 0) != 0) { - throw new GLException("glXGetFBConfigAttrib failed"); + System.err.println("Created context for pbuffer " + drawable.getWidth() + + " x " + drawable.getHeight()); } - return tmp[0]; } } |