diff options
Diffstat (limited to 'src/plugins/platforms/wayland/qwaylandglcontext.cpp')
| -rw-r--r-- | src/plugins/platforms/wayland/qwaylandglcontext.cpp | 262 |
1 files changed, 102 insertions, 160 deletions
diff --git a/src/plugins/platforms/wayland/qwaylandglcontext.cpp b/src/plugins/platforms/wayland/qwaylandglcontext.cpp index 24abcf8..4bf68c4 100644 --- a/src/plugins/platforms/wayland/qwaylandglcontext.cpp +++ b/src/plugins/platforms/wayland/qwaylandglcontext.cpp @@ -1,25 +1,53 @@ +/**************************************************************************** +** +** 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 plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + #include "qwaylandglcontext.h" #include "qwaylanddisplay.h" #include "qwaylandwindow.h" -#include "qwaylandwindowsurface.h" -#include "qfontconfigdatabase.h" - -#include <QImageReader> -#include <QWindowSystemInterface> -#include <QPlatformCursor> -#include <QPaintEngine> +#include "qwaylanddrmsurface.h" #include <QtGui/QPlatformGLContext> #include <QtGui/QPlatformWindowFormat> -#include <QtGui/private/qpixmap_raster_p.h> -#include <QtGui/QPlatformWindow> - -#include <private/qwindowsurface_gl_p.h> -#include <private/qpixmapdata_gl_p.h> -#include <private/qpaintengineex_opengl2_p.h> - #include <unistd.h> #include <fcntl.h> @@ -27,165 +55,80 @@ extern "C" { #include <xf86drm.h> } -QWaylandGLContext::QWaylandGLContext(QWaylandDisplay *wd, QWaylandWindow *window, const QPlatformWindowFormat &format) +Q_GLOBAL_STATIC(QMutex,qt_defaultSharedContextMutex); + +EGLint QWaylandGLContext::contextAttibutes[] = { + EGL_CONTEXT_CLIENT_VERSION, 2, + EGL_NONE +}; + +QWaylandGLContext::QWaylandGLContext(QWaylandDisplay *wd, const QPlatformWindowFormat &format) : QPlatformGLContext() , mFormat(format) , mDisplay(wd) - , mWindow(window) - , parentFbo(0) - , parentRbo(0) { + QPlatformGLContext *sharePlatformContext; + if (format.useDefaultSharedContext()) { + if (!QPlatformGLContext::defaultSharedContext()) { + if (qt_defaultSharedContextMutex()->tryLock()){ + createDefaultSharedContex(wd); + qt_defaultSharedContextMutex()->unlock(); + } else { + qt_defaultSharedContextMutex()->lock(); //wait to the the shared context is created + qt_defaultSharedContextMutex()->unlock(); + } + } + sharePlatformContext = QPlatformGLContext::defaultSharedContext(); + } else { + sharePlatformContext = format.sharedGLContext(); + } + mFormat.setSharedContext(sharePlatformContext); + EGLContext shareEGLContext = EGL_NO_CONTEXT; + if (sharePlatformContext) + shareEGLContext = static_cast<const QWaylandGLContext*>(sharePlatformContext)->mContext; + + eglBindAPI(EGL_OPENGL_ES_API); + mContext = eglCreateContext(mDisplay->eglDisplay(), NULL, + shareEGLContext, contextAttibutes); + + mFormat.setAccum(false); + mFormat.setAlphaBufferSize(8); + mFormat.setRedBufferSize(8); + mFormat.setGreenBufferSize(8); + mFormat.setBlueBufferSize(8); + mFormat.setDepth(false); +// mFormat.setDepthBufferSize(8); + mFormat.setStencil(false); +// mFormat.setStencilBufferSize(24); +// mFormat.setSampleBuffers(false); + } +QWaylandGLContext::QWaylandGLContext() + : QPlatformGLContext() + , mDisplay(0) + , mContext(EGL_NO_CONTEXT) +{ } + QWaylandGLContext::~QWaylandGLContext() { - glDeleteRenderbuffers(1, &parentRbo); - glDeleteFramebuffers(1, &parentFbo); + eglDestroyContext(mDisplay->eglDisplay(),mContext); } void QWaylandGLContext::makeCurrent() { - QWaylandDrmBuffer *mBuffer = (QWaylandDrmBuffer *)mWindow->getBuffer(); - QRect geometry = mWindow->geometry(); - - if (!mBuffer) - return; - - eglMakeCurrent(mDisplay->eglDisplay(), 0, 0, mBuffer->mContext); - - glViewport(0, 0, geometry.width(), geometry.height()); - glBindFramebuffer(GL_FRAMEBUFFER, mBuffer->mFbo); - glBindTexture(GL_TEXTURE_2D, mBuffer->mTexture); - glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, mBuffer->mImage); - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, - GL_TEXTURE_2D, mBuffer->mTexture, 0); + QPlatformGLContext::makeCurrent(); + eglMakeCurrent(mDisplay->eglDisplay(), EGL_NO_SURFACE, EGL_NO_SURFACE, mContext); } void QWaylandGLContext::doneCurrent() { -} - -/* drawTexture - Draw from a texture into a the current framebuffer - * @rect: GL normalized coords for drawing (between -1.0f and 1.0f) - * @tex_id: texture source - * @texSize: size of source rectangle in Qt coords - * @br: bounding rect for drawing - */ -static void drawTexture(const QRectF &rect, GLuint tex_id, - const QSize &texSize, const QRectF &br) -{ - QRectF src = br.isEmpty() - ? QRectF(QPointF(), texSize) - : QRectF(QPointF(br.x(), texSize.height() - br.bottom()), br.size()); - qreal width = texSize.width(); - qreal height = texSize.height(); - - src.setLeft(src.left() / width); - src.setRight(src.right() / width); - src.setTop(src.top() / height); - src.setBottom(src.bottom() / height); - - const GLfloat tx1 = src.left(); - const GLfloat tx2 = src.right(); - const GLfloat ty1 = src.top(); - const GLfloat ty2 = src.bottom(); - - GLfloat texCoordArray[4*2] = { - tx1, ty2, tx2, ty2, tx2, ty1, tx1, ty1 - }; - - GLfloat vertexArray[4*2]; - extern void qt_add_rect_to_array(const QRectF &r, GLfloat *array); - qt_add_rect_to_array(rect, vertexArray); - - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexArray); - glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, texCoordArray); - - glBindTexture(GL_TEXTURE_2D, tex_id); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); - glDrawArrays(GL_TRIANGLE_FAN, 0, 4); - glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glDisableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); - - glBindTexture(GL_TEXTURE_2D, 0); + QPlatformGLContext::doneCurrent(); + eglMakeCurrent(mDisplay->eglDisplay(), EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); } void QWaylandGLContext::swapBuffers() { - QWaylandWindow *mParentWindow = mWindow->getParentWindow(); - QWaylandDrmBuffer *mBuffer, *mParentBuffer; - QRect geometry = mWindow->geometry(), parentGeometry; - QGLShaderProgram *blitProgram; - QRectF r; - qreal w; - qreal h; - - if (!mParentWindow) { - qDebug("swap without parent widget?\n"); - return; - } - - if (!mParentWindow->surface()) { - qDebug("parent has no surface??\n"); - return; - } - - parentGeometry = mParentWindow->geometry(); - mBuffer = (QWaylandDrmBuffer *)mWindow->getBuffer(); - mParentBuffer = (QWaylandDrmBuffer *)mParentWindow->getBuffer(); - - glDisable(GL_DEPTH_TEST); - - /* These need to be generated against the src context */ - if (!parentFbo) - glGenFramebuffers(1, &parentFbo); - if (!parentRbo) - glGenRenderbuffers(1, &parentRbo); - - glBindFramebuffer(GL_FRAMEBUFFER, parentFbo); - glBindRenderbuffer(GL_RENDERBUFFER, parentRbo); - glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER, - mParentBuffer->mImage); - glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, - GL_RENDERBUFFER, parentRbo); - glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, mBuffer->mImage); - glViewport(0, 0, parentGeometry.width(), parentGeometry.height()); - - blitProgram = QGLEngineSharedShaders::shadersForContext(QGLContext::currentContext())->blitProgram(); - blitProgram->bind(); - blitProgram->setUniformValue("imageTexture", 0); - - /* Transform the target rect to the appropriate coords on the parent */ - w = parentGeometry.width(); - h = parentGeometry.height(); - - r.setLeft((geometry.left() / w) * 2.0f - 1.0f); - if (geometry.right() == (parentGeometry.width() - 1)) - r.setRight(1.0f); - else - r.setRight((geometry.right() / w) * 2.0f - 1.0f); - - r.setTop((geometry.top() / h) * 2.0f - 1.0f); - if (geometry.bottom() == (parentGeometry.height() - 1)) - r.setBottom(-1.0f); - else - r.setBottom((geometry.bottom() / h) * 2.0f - 1.0f); - - drawTexture(r, mBuffer->mTexture, mParentWindow->widget()->size(), parentGeometry); - - wl_surface_damage(mParentWindow->surface(), geometry.left(), geometry.top(), - geometry.right(), geometry.bottom()); - /* restore things to the last valid GL state */ - makeCurrent(); - /* hack: avoid tight swapBuffers loops */ - usleep(20000); } void *QWaylandGLContext::getProcAddress(const QString &string) @@ -193,13 +136,12 @@ void *QWaylandGLContext::getProcAddress(const QString &string) return (void *) eglGetProcAddress(string.toLatin1().data()); } -QPlatformGLContext *QWaylandWindow::glContext() const +void QWaylandGLContext::createDefaultSharedContex(QWaylandDisplay *display) { - if (!mGLContext) { - QWaylandWindow *that = const_cast<QWaylandWindow *>(this); - that->mGLContext = new QWaylandGLContext(mDisplay, that, widget()->platformWindowFormat()); - } - - return mGLContext; + QWaylandGLContext *defaultSharedContext = new QWaylandGLContext; + defaultSharedContext->mDisplay = display; + defaultSharedContext->mContext = eglCreateContext(mDisplay->eglDisplay(), NULL, + EGL_NO_CONTEXT, contextAttibutes); + QPlatformGLContext::setDefaultSharedContext(defaultSharedContext); } |