diff options
Diffstat (limited to 'src/opengl/qglpixelbuffer_x11.cpp')
-rw-r--r-- | src/opengl/qglpixelbuffer_x11.cpp | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/src/opengl/qglpixelbuffer_x11.cpp b/src/opengl/qglpixelbuffer_x11.cpp deleted file mode 100644 index fcd7b521bb..0000000000 --- a/src/opengl/qglpixelbuffer_x11.cpp +++ /dev/null @@ -1,290 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtOpenGL module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ -#include <qlibrary.h> -#include <qdebug.h> -#include <private/qgl_p.h> -#include <private/qt_x11_p.h> -#include <private/qpaintengine_opengl_p.h> - -#include <qx11info_x11.h> -#include <GL/glx.h> -#include <qimage.h> - -#include "qglpixelbuffer.h" -#include "qglpixelbuffer_p.h" - -#if defined(Q_OS_LINUX) || defined(Q_OS_BSD4) -#include <dlfcn.h> -#endif - -QT_BEGIN_NAMESPACE - -#ifndef GLX_VERSION_1_3 -#define GLX_RGBA_BIT 0x00000002 -#define GLX_PBUFFER_BIT 0x00000004 -#define GLX_DRAWABLE_TYPE 0x8010 -#define GLX_RENDER_TYPE 0x8011 -#define GLX_RGBA_TYPE 0x8014 -#define GLX_PBUFFER_HEIGHT 0x8040 -#define GLX_PBUFFER_WIDTH 0x8041 -#endif - -#ifndef GLX_ARB_multisample -#define GLX_SAMPLE_BUFFERS_ARB 100000 -#define GLX_SAMPLES_ARB 100001 -#endif - -typedef GLXFBConfig* (*_glXChooseFBConfig) (Display *dpy, int screen, const int *attrib_list, int *nelements); -typedef int (*_glXGetFBConfigAttrib) (Display *dpy, GLXFBConfig config, int attribute, int *value); -typedef GLXPbuffer (*_glXCreatePbuffer) (Display *dpy, GLXFBConfig config, const int *attrib_list); -typedef void (*_glXDestroyPbuffer) (Display *dpy, GLXPbuffer pbuf); -typedef GLXContext (*_glXCreateNewContext) (Display *dpy, GLXFBConfig config, int render_type, GLXContext share_list, Bool direct); -typedef Bool (*_glXMakeContextCurrent) (Display *dpy, GLXDrawable draw, GLXDrawable read, GLXContext ctx); - -static _glXChooseFBConfig qt_glXChooseFBConfig = 0; -static _glXCreateNewContext qt_glXCreateNewContext = 0; -static _glXCreatePbuffer qt_glXCreatePbuffer = 0; -static _glXDestroyPbuffer qt_glXDestroyPbuffer = 0; -static _glXGetFBConfigAttrib qt_glXGetFBConfigAttrib = 0; -static _glXMakeContextCurrent qt_glXMakeContextCurrent = 0; - -#define glXChooseFBConfig qt_glXChooseFBConfig -#define glXCreateNewContext qt_glXCreateNewContext -#define glXCreatePbuffer qt_glXCreatePbuffer -#define glXDestroyPbuffer qt_glXDestroyPbuffer -#define glXGetFBConfigAttrib qt_glXGetFBConfigAttrib -#define glXMakeContextCurrent qt_glXMakeContextCurrent - -extern void (*qglx_getProcAddress(const char* procName))(); // in qgl_x11.cpp - -static bool qt_resolve_pbuffer_extensions() -{ - static int resolved = false; - if (resolved && qt_glXMakeContextCurrent) - return true; - else if (resolved) - return false; - - qt_glXChooseFBConfig = (_glXChooseFBConfig) qglx_getProcAddress("glXChooseFBConfig"); - qt_glXCreateNewContext = (_glXCreateNewContext) qglx_getProcAddress("glXCreateNewContext"); - qt_glXCreatePbuffer = (_glXCreatePbuffer) qglx_getProcAddress("glXCreatePbuffer"); - qt_glXDestroyPbuffer = (_glXDestroyPbuffer) qglx_getProcAddress("glXDestroyPbuffer"); - qt_glXGetFBConfigAttrib = (_glXGetFBConfigAttrib) qglx_getProcAddress("glXGetFBConfigAttrib"); - qt_glXMakeContextCurrent = (_glXMakeContextCurrent) qglx_getProcAddress("glXMakeContextCurrent"); - - resolved = qt_glXMakeContextCurrent ? true : false; - return resolved; -} - -static void qt_format_to_attrib_list(const QGLFormat &f, int attribs[]) -{ - int i = 0; - attribs[i++] = GLX_RENDER_TYPE; - attribs[i++] = GLX_RGBA_BIT; - attribs[i++] = GLX_DRAWABLE_TYPE; - attribs[i++] = GLX_PBUFFER_BIT; - attribs[i++] = GLX_RED_SIZE; - attribs[i++] = f.redBufferSize() == -1 ? 1 : f.redBufferSize(); - attribs[i++] = GLX_GREEN_SIZE; - attribs[i++] = f.greenBufferSize() == -1 ? 1 : f.greenBufferSize(); - attribs[i++] = GLX_BLUE_SIZE; - attribs[i++] = f.blueBufferSize() == -1 ? 1 : f.blueBufferSize(); - if (f.doubleBuffer()) { - attribs[i++] = GLX_DOUBLEBUFFER; - attribs[i++] = true; - } - if (f.depth()) { - attribs[i++] = GLX_DEPTH_SIZE; - attribs[i++] = f.depthBufferSize() == -1 ? 1 : f.depthBufferSize(); - } - if (f.stereo()) { - attribs[i++] = GLX_STEREO; - attribs[i++] = true; - } - if (f.stencil()) { - attribs[i++] = GLX_STENCIL_SIZE; - attribs[i++] = f.stencilBufferSize() == -1 ? 1 : f.stencilBufferSize(); - } - if (f.alpha()) { - attribs[i++] = GLX_ALPHA_SIZE; - attribs[i++] = f.alphaBufferSize() == -1 ? 1 : f.alphaBufferSize(); - } - if (f.accum()) { - attribs[i++] = GLX_ACCUM_RED_SIZE; - attribs[i++] = f.accumBufferSize() == -1 ? 1 : f.accumBufferSize(); - attribs[i++] = GLX_ACCUM_GREEN_SIZE; - attribs[i++] = f.accumBufferSize() == -1 ? 1 : f.accumBufferSize(); - attribs[i++] = GLX_ACCUM_BLUE_SIZE; - attribs[i++] = f.accumBufferSize() == -1 ? 1 : f.accumBufferSize(); - if (f.alpha()) { - attribs[i++] = GLX_ACCUM_ALPHA_SIZE; - attribs[i++] = f.accumBufferSize() == -1 ? 1 : f.accumBufferSize(); - } - } - if (f.sampleBuffers()) { - attribs[i++] = GLX_SAMPLE_BUFFERS_ARB; - attribs[i++] = 1; - attribs[i++] = GLX_SAMPLES_ARB; - attribs[i++] = f.samples() == -1 ? 4 : f.samples(); - } - - attribs[i] = XNone; -} - -bool QGLPixelBufferPrivate::init(const QSize &size, const QGLFormat &f, QGLWidget *shareWidget) -{ - if (!qt_resolve_pbuffer_extensions()) { - qWarning("QGLPixelBuffer: pbuffers are not supported on this system."); - return false; - } - - int attribs[40]; - int num_configs = 0; - - qt_format_to_attrib_list(f, attribs); - - int screen = X11->defaultScreen; - if (shareWidget) - screen = shareWidget->x11Info().screen(); - - GLXFBConfig *configs = glXChooseFBConfig(X11->display, screen, attribs, &num_configs); - if (configs && num_configs) { - int res; - glXGetFBConfigAttrib(X11->display, configs[0], GLX_LEVEL, &res); - format.setPlane(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_DOUBLEBUFFER, &res); - format.setDoubleBuffer(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_DEPTH_SIZE, &res); - format.setDepth(res); - if (format.depth()) - format.setDepthBufferSize(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_RGBA, &res); - format.setRgba(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_RED_SIZE, &res); - format.setRedBufferSize(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_GREEN_SIZE, &res); - format.setGreenBufferSize(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_BLUE_SIZE, &res); - format.setBlueBufferSize(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_ALPHA_SIZE, &res); - format.setAlpha(res); - if (format.alpha()) - format.setAlphaBufferSize(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_ACCUM_RED_SIZE, &res); - format.setAccum(res); - if (format.accum()) - format.setAccumBufferSize(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_STENCIL_SIZE, &res); - format.setStencil(res); - if (format.stencil()) - format.setStencilBufferSize(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_STEREO, &res); - format.setStereo(res); - glXGetFBConfigAttrib(X11->display, configs[0], GLX_SAMPLE_BUFFERS_ARB, &res); - format.setSampleBuffers(res); - if (format.sampleBuffers()) { - glXGetFBConfigAttrib(X11->display, configs[0], GLX_SAMPLES_ARB, &res); - format.setSamples(res); - } - - int pb_attribs[] = {GLX_PBUFFER_WIDTH, size.width(), GLX_PBUFFER_HEIGHT, size.height(), XNone}; - GLXContext shareContext = 0; - if (shareWidget && shareWidget->d_func()->glcx) - shareContext = (GLXContext) shareWidget->d_func()->glcx->d_func()->cx; - - pbuf = glXCreatePbuffer(QX11Info::display(), configs[0], pb_attribs); - ctx = glXCreateNewContext(QX11Info::display(), configs[0], GLX_RGBA_TYPE, shareContext, true); - - XFree(configs); - if (!pbuf || !ctx) { - qWarning("QGLPixelBuffer: Unable to create a pbuffer/context - giving up."); - return false; - } - return true; - } else { - qWarning("QGLPixelBuffer: Unable to find a context/format match - giving up."); - return false; - } -} - -bool QGLPixelBufferPrivate::cleanup() -{ - glXDestroyPbuffer(QX11Info::display(), pbuf); - return true; -} - -bool QGLPixelBuffer::bindToDynamicTexture(GLuint) -{ - return false; -} - -void QGLPixelBuffer::releaseFromDynamicTexture() -{ -} - -bool QGLPixelBuffer::hasOpenGLPbuffers() -{ - bool ret = qt_resolve_pbuffer_extensions(); - - if (!ret) - return false; - - int attribs[40]; - int num_configs = 0; - - qt_format_to_attrib_list(QGLFormat::defaultFormat(), attribs); - - GLXFBConfig *configs = glXChooseFBConfig(X11->display, X11->defaultScreen, attribs, &num_configs); - GLXPbuffer pbuf = 0; - GLXContext ctx = 0; - - if (configs && num_configs) { - int pb_attribs[] = {GLX_PBUFFER_WIDTH, 128, GLX_PBUFFER_HEIGHT, 128, XNone}; - pbuf = glXCreatePbuffer(X11->display, configs[0], pb_attribs); - ctx = glXCreateNewContext(X11->display, configs[0], GLX_RGBA_TYPE, 0, true); - XFree(configs); - glXDestroyContext(X11->display, ctx); - glXDestroyPbuffer(X11->display, pbuf); - } - return pbuf && ctx; -} - -QT_END_NAMESPACE |