diff options
Diffstat (limited to 'src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLDrawable.java')
-rw-r--r-- | src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLDrawable.java | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLDrawable.java b/src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLDrawable.java deleted file mode 100644 index db8d110be..000000000 --- a/src/classes/com/sun/opengl/impl/windows/WindowsPbufferGLDrawable.java +++ /dev/null @@ -1,338 +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 WindowsPbufferGLDrawable extends WindowsGLDrawable { - private int initWidth; - private int initHeight; - - private WGLExt cachedWGLExt; // cached WGLExt instance from parent GLCanvas, - // needed to destroy pbuffer - private long buffer; // pbuffer handle - private int width; - private int height; - - private int floatMode; - - public WindowsPbufferGLDrawable(GLCapabilities capabilities, - int initialWidth, - int initialHeight, - WindowsGLDrawable dummyDrawable, - WGLExt wglExt) { - super(capabilities, 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 + "))"); - } - - if (DEBUG) { - System.out.println("Pbuffer caps on init: " + capabilities + - (capabilities.getPbufferRenderToTexture() ? " [rtt]" : "") + - (capabilities.getPbufferRenderToTextureRectangle() ? " [rect]" : "") + - (capabilities.getPbufferFloatingPointBuffers() ? " [float]" : "")); - } - - createPbuffer(dummyDrawable.getHDC(), wglExt); - } - - public GLContext createContext(GLContext shareWith) { - return new WindowsPbufferGLContext(this, shareWith); - } - - public void destroy() { - if (hdc != 0) { - // Must release DC and pbuffer - // NOTE that since the context is not current, glGetError() can - // not be called here, so we skip the use of any composable - // pipelines (see WindowsOnscreenGLContext.makeCurrentImpl) - WGLExt wglExt = cachedWGLExt; - if (wglExt.wglReleasePbufferDCARB(buffer, hdc) == 0) { - throw new GLException("Error releasing pbuffer device context: error code " + WGL.GetLastError()); - } - hdc = 0; - if (!wglExt.wglDestroyPbufferARB(buffer)) { - throw new GLException("Error destroying pbuffer: error code " + WGL.GetLastError()); - } - buffer = 0; - setChosenGLCapabilities(null); - } - } - - public void setSize(int width, int height) { - // FIXME - throw new GLException("Not yet implemented"); - } - - public int getWidth() { - return width; - } - - public int getHeight() { - return height; - } - - public GLCapabilities getCapabilities() { - return capabilities; - } - - public long getPbuffer() { - return buffer; - } - - public int getFloatingPointMode() { - return floatMode; - } - - public void swapBuffers() throws GLException { - // FIXME: this doesn't make sense any more because we don't have - // access to our OpenGL context here - /* - // FIXME: do we need to do anything if the pbuffer is double-buffered? - // For now, just grab the pixels for the render-to-texture support. - if (rtt && !hasRTT) { - if (DEBUG) { - System.err.println("Copying pbuffer data to GL_TEXTURE_2D state"); - } - - GL gl = getGL(); - gl.glCopyTexSubImage2D(textureTarget, 0, 0, 0, 0, 0, width, height); - } - */ - } - - private void createPbuffer(long parentHdc, WGLExt wglExt) { - int[] iattributes = new int [2*MAX_ATTRIBS]; - float[] fattributes = new float[1]; - int[] floatModeTmp = new int[1]; - int niattribs = 0; - - if (DEBUG) { - System.out.println("Pbuffer parentHdc = " + toHexString(parentHdc)); - System.out.println("Pbuffer caps: " + capabilities + - (capabilities.getPbufferRenderToTexture() ? " [rtt]" : "") + - (capabilities.getPbufferRenderToTextureRectangle() ? " [rect]" : "") + - (capabilities.getPbufferFloatingPointBuffers() ? " [float]" : "")); - } - - if (!glCapabilities2iattributes(capabilities, - iattributes, - wglExt, - true, - floatModeTmp)) { - throw new GLException("Pbuffer-related extensions not supported"); - } - - floatMode = floatModeTmp[0]; - boolean rtt = capabilities.getPbufferRenderToTexture(); - boolean rect = capabilities.getPbufferRenderToTextureRectangle(); - boolean useFloat = capabilities.getPbufferFloatingPointBuffers(); - boolean ati = false; - - if (useFloat) { - ati = (floatMode == GLPbuffer.ATI_FLOAT); - } - - int[] pformats = new int[MAX_PFORMATS]; - int nformats; - int[] nformatsTmp = new int[1]; - if (!wglExt.wglChoosePixelFormatARB(parentHdc, - iattributes, 0, - fattributes, 0, - MAX_PFORMATS, - pformats, 0, - nformatsTmp, 0)) { - throw new GLException("pbuffer creation error: wglChoosePixelFormatARB() failed"); - } - nformats = nformatsTmp[0]; - if (nformats <= 0) { - throw new GLException("pbuffer creation error: Couldn't find a suitable pixel format"); - } - - boolean haveMultisample = wglExt.isExtensionAvailable("WGL_ARB_multisample"); - - if (DEBUG) { - System.err.println("" + nformats + " suitable pixel formats found"); - // query pixel format - iattributes[0] = WGLExt.WGL_RED_BITS_ARB; - iattributes[1] = WGLExt.WGL_GREEN_BITS_ARB; - iattributes[2] = WGLExt.WGL_BLUE_BITS_ARB; - iattributes[3] = WGLExt.WGL_ALPHA_BITS_ARB; - iattributes[4] = WGLExt.WGL_DEPTH_BITS_ARB; - iattributes[5] = (useFloat ? (ati ? WGLExt.WGL_PIXEL_TYPE_ARB : WGLExt.WGL_FLOAT_COMPONENTS_NV) : WGLExt.WGL_RED_BITS_ARB); - iattributes[6] = (haveMultisample ? WGLExt.WGL_SAMPLE_BUFFERS_ARB : WGLExt.WGL_RED_BITS_ARB); - iattributes[7] = (haveMultisample ? WGLExt.WGL_SAMPLES_ARB : WGLExt.WGL_RED_BITS_ARB); - iattributes[8] = WGLExt.WGL_DRAW_TO_PBUFFER_ARB; - int[] ivalues = new int[9]; - for (int i = 0; i < nformats; i++) { - if (!wglExt.wglGetPixelFormatAttribivARB(parentHdc, pformats[i], 0, 9, iattributes, 0, ivalues, 0)) { - throw new GLException("Error while querying pixel format " + pformats[i] + - "'s (index " + i + "'s) capabilities for debugging"); - } - System.err.print("pixel format " + pformats[i] + " (index " + i + "): "); - System.err.print( "r: " + ivalues[0]); - System.err.print(" g: " + ivalues[1]); - System.err.print(" b: " + ivalues[2]); - System.err.print(" a: " + ivalues[3]); - System.err.print(" depth: " + ivalues[4]); - if (haveMultisample) { - System.err.print(" multisample: " + ivalues[6]); - } - System.err.print(" samples: " + ivalues[7]); - if (useFloat) { - if (ati) { - if (ivalues[5] == WGLExt.WGL_TYPE_RGBA_FLOAT_ATI) { - System.err.print(" [ati float]"); - } else if (ivalues[5] != WGLExt.WGL_TYPE_RGBA_ARB) { - System.err.print(" [unknown pixel type " + ivalues[5] + "]"); - } - } else { - if (ivalues[5] != 0) { - System.err.print(" [float]"); - } - } - } - - if (ivalues[8] != 0) { - System.err.print(" [pbuffer]"); - } - System.err.println(); - } - } - - long tmpBuffer = 0; - int whichFormat = -1; - // Loop is a workaround for bugs in NVidia's recent drivers - for (whichFormat = 0; whichFormat < nformats; whichFormat++) { - int format = pformats[whichFormat]; - - // Create the p-buffer. - niattribs = 0; - - if (rtt) { - iattributes[niattribs++] = WGLExt.WGL_TEXTURE_FORMAT_ARB; - if (useFloat) { - iattributes[niattribs++] = WGLExt.WGL_TEXTURE_FLOAT_RGB_NV; - } else { - iattributes[niattribs++] = WGLExt.WGL_TEXTURE_RGBA_ARB; - } - - iattributes[niattribs++] = WGLExt.WGL_TEXTURE_TARGET_ARB; - iattributes[niattribs++] = rect ? WGLExt.WGL_TEXTURE_RECTANGLE_NV : WGLExt.WGL_TEXTURE_2D_ARB; - - iattributes[niattribs++] = WGLExt.WGL_MIPMAP_TEXTURE_ARB; - iattributes[niattribs++] = GL.GL_FALSE; - - iattributes[niattribs++] = WGLExt.WGL_PBUFFER_LARGEST_ARB; - iattributes[niattribs++] = GL.GL_FALSE; - } - - iattributes[niattribs++] = 0; - - tmpBuffer = wglExt.wglCreatePbufferARB(parentHdc, format, initWidth, initHeight, iattributes, 0); - if (tmpBuffer != 0) { - // Done - break; - } - } - - if (tmpBuffer == 0) { - throw new GLException("pbuffer creation error: wglCreatePbufferARB() failed: tried " + nformats + - " pixel formats, last error was: " + wglGetLastError()); - } - - // Get the device context. - long tmpHdc = wglExt.wglGetPbufferDCARB(tmpBuffer); - if (tmpHdc == 0) { - throw new GLException("pbuffer creation error: wglGetPbufferDCARB() failed"); - } - - // Set up instance variables - buffer = tmpBuffer; - hdc = tmpHdc; - cachedWGLExt = wglExt; - - // Re-query chosen pixel format - { - niattribs = 0; - iattributes[niattribs++] = WGLExt.WGL_ACCELERATION_ARB; - iattributes[niattribs++] = WGLExt.WGL_RED_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_GREEN_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_BLUE_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_ALPHA_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_DEPTH_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_STENCIL_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_DOUBLE_BUFFER_ARB; - iattributes[niattribs++] = WGLExt.WGL_STEREO_ARB; - iattributes[niattribs++] = WGLExt.WGL_ACCUM_RED_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_ACCUM_GREEN_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_ACCUM_BLUE_BITS_ARB; - iattributes[niattribs++] = WGLExt.WGL_ACCUM_ALPHA_BITS_ARB; - iattributes[niattribs++] = (useFloat ? (ati ? WGLExt.WGL_PIXEL_TYPE_ARB : WGLExt.WGL_FLOAT_COMPONENTS_NV) : WGLExt.WGL_RED_BITS_ARB); - iattributes[niattribs++] = (haveMultisample ? WGLExt.WGL_SAMPLE_BUFFERS_ARB : WGLExt.WGL_RED_BITS_ARB); - iattributes[niattribs++] = (haveMultisample ? WGLExt.WGL_SAMPLES_ARB : WGLExt.WGL_RED_BITS_ARB); - iattributes[niattribs++] = WGLExt.WGL_DRAW_TO_PBUFFER_ARB; - int[] ivalues = new int[niattribs]; - // FIXME: usually prefer to throw exceptions, but failure here is not critical - if (wglExt.wglGetPixelFormatAttribivARB(parentHdc, pformats[whichFormat], 0, niattribs, iattributes, 0, ivalues, 0)) { - setChosenGLCapabilities(iattributes2GLCapabilities(iattributes, niattribs, ivalues, false)); - } - } - - // Determine the actual width and height we were able to create. - int[] tmp = new int[1]; - wglExt.wglQueryPbufferARB( buffer, WGLExt.WGL_PBUFFER_WIDTH_ARB, tmp, 0 ); - width = tmp[0]; - wglExt.wglQueryPbufferARB( buffer, WGLExt.WGL_PBUFFER_HEIGHT_ARB, tmp, 0 ); - height = tmp[0]; - - if (DEBUG) { - System.err.println("Created pbuffer " + width + " x " + height); - } - } - - private static String wglGetLastError() { - return WindowsGLDrawableFactory.wglGetLastError(); - } -} |