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Diffstat (limited to 'src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLContext.java')
-rw-r--r--src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLContext.java163
1 files changed, 0 insertions, 163 deletions
diff --git a/src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLContext.java b/src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLContext.java
deleted file mode 100644
index 390c14054..000000000
--- a/src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLContext.java
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * 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.windows;
-
-import javax.media.opengl.*;
-import com.sun.opengl.impl.*;
-
-public class WindowsPbufferGLContext extends WindowsGLContext {
- private static final boolean DEBUG = Debug.debug("WindowsPbufferGLContext");
-
- // State for render-to-texture and render-to-texture-rectangle support
- private WindowsPbufferGLDrawable drawable;
- private boolean rtt; // render-to-texture?
- private boolean hasRTT; // render-to-texture extension available?
- private boolean rect; // render-to-texture-rectangle?
- private int textureTarget; // e.g. GL_TEXTURE_2D, GL_TEXTURE_RECTANGLE_NV
- private int texture; // actual texture object
-
- public WindowsPbufferGLContext(WindowsPbufferGLDrawable drawable,
- GLContext shareWith) {
- super(drawable, shareWith);
- this.drawable = drawable;
- }
-
- public void bindPbufferToTexture() {
- if (!rtt) {
- throw new GLException("Shouldn't try to bind a pbuffer to a texture if render-to-texture hasn't been " +
- "specified in its GLCapabilities");
- }
- GL gl = getGL();
- WGLExt wglExt = getWGLExt();
- gl.glBindTexture(textureTarget, texture);
- if (rtt && hasRTT) {
- if (!wglExt.wglBindTexImageARB(drawable.getPbuffer(), WGLExt.WGL_FRONT_LEFT_ARB)) {
- throw new GLException("Binding of pbuffer to texture failed: " + wglGetLastError());
- }
- }
- // FIXME: comment is wrong now
- // Note that if the render-to-texture extension is not supported,
- // we perform a glCopyTexImage2D in swapBuffers().
- }
-
- public void releasePbufferFromTexture() {
- if (!rtt) {
- throw new GLException("Shouldn't try to bind a pbuffer to a texture if render-to-texture hasn't been " +
- "specified in its GLCapabilities");
- }
- if (rtt && hasRTT) {
- WGLExt wglExt = getWGLExt();
- if (!wglExt.wglReleaseTexImageARB(drawable.getPbuffer(), WGLExt.WGL_FRONT_LEFT_ARB)) {
- throw new GLException("Releasing of pbuffer from texture failed: " + wglGetLastError());
- }
- }
- }
-
- protected int makeCurrentImpl() throws GLException {
- if (drawable.getHDC() == 0) {
- // pbuffer not instantiated (yet?)
- if (DEBUG) {
- System.err.println("pbuffer not instantiated");
- }
- return CONTEXT_NOT_CURRENT;
- }
-
- int res = super.makeCurrentImpl();
- if (DEBUG && VERBOSE) {
- System.err.println("WindowsPbufferGLContext: super.makeCurrentImpl() = " + res);
- }
- if (res == CONTEXT_CURRENT_NEW) {
- GLCapabilities capabilities = drawable.getCapabilities();
-
- // Initialize render-to-texture support if requested
- rtt = capabilities.getPbufferRenderToTexture();
- rect = capabilities.getPbufferRenderToTextureRectangle();
- GL gl = getGL();
-
- if (rtt) {
- if (DEBUG) {
- System.err.println("Initializing render-to-texture support");
- }
-
- if (!gl.isExtensionAvailable("WGL_ARB_render_texture")) {
- System.err.println("WindowsPbufferGLContext: WARNING: WGL_ARB_render_texture extension not " +
- "supported; implementing render_to_texture support using slow texture readback");
- } else {
- hasRTT = true;
-
- if (rect && !gl.isExtensionAvailable("GL_NV_texture_rectangle")) {
- System.err.println("WindowsPbufferGLContext: WARNING: GL_NV_texture_rectangle extension not " +
- "supported; skipping requested render_to_texture_rectangle support for pbuffer");
- rect = false;
- }
- if (rect) {
- if (DEBUG) {
- System.err.println(" Using render-to-texture-rectangle");
- }
- textureTarget = GL.GL_TEXTURE_RECTANGLE_NV;
- } else {
- if (DEBUG) {
- System.err.println(" Using vanilla render-to-texture");
- }
- textureTarget = GL.GL_TEXTURE_2D;
- }
- int[] tmp = new int[1];
- gl.glGenTextures(1, tmp, 0);
- texture = tmp[0];
- gl.glBindTexture(textureTarget, texture);
- gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST);
- gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST);
- gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_WRAP_S, GL.GL_CLAMP_TO_EDGE);
- gl.glTexParameteri(textureTarget, GL.GL_TEXTURE_WRAP_T, GL.GL_CLAMP_TO_EDGE);
- gl.glCopyTexImage2D(textureTarget, 0, GL.GL_RGB, 0, 0, drawable.getWidth(), drawable.getHeight(), 0);
- }
- }
- }
- return res;
- }
-
- public int getFloatingPointMode() {
- return drawable.getFloatingPointMode();
- }
-
- private static String wglGetLastError() {
- return WindowsGLDrawableFactory.wglGetLastError();
- }
-}