diff options
Diffstat (limited to 'src/compositor/hardware_integration/xcomposite_glx')
3 files changed, 152 insertions, 0 deletions
diff --git a/src/compositor/hardware_integration/xcomposite_glx/xcomposite_glx.pri b/src/compositor/hardware_integration/xcomposite_glx/xcomposite_glx.pri new file mode 100644 index 000000000..e8d4d0134 --- /dev/null +++ b/src/compositor/hardware_integration/xcomposite_glx/xcomposite_glx.pri @@ -0,0 +1,9 @@ +include (../xcomposite_share/xcomposite_share.pri) + +LIBS += -lXcomposite -lX11 + +HEADERS += \ + $$PWD/xcompositeglxintegration.h + +SOURCES += \ + $$PWD/xcompositeglxintegration.cpp diff --git a/src/compositor/hardware_integration/xcomposite_glx/xcompositeglxintegration.cpp b/src/compositor/hardware_integration/xcomposite_glx/xcompositeglxintegration.cpp new file mode 100644 index 000000000..9d7043952 --- /dev/null +++ b/src/compositor/hardware_integration/xcomposite_glx/xcompositeglxintegration.cpp @@ -0,0 +1,113 @@ +#include "xcompositeglxintegration.h" + +#include "waylandobject.h" +#include "wayland_wrapper/wlcompositor.h" +#include "wayland-xcomposite-server-protocol.h" + +#include <QtGui/QPlatformNativeInterface> +#include <QtGui/QOpenGLContext> + +#include "xcompositebuffer.h" +#include "xcompositehandler.h" +#include <X11/extensions/Xcomposite.h> + +#include <QtCore/QDebug> + +QVector<int> qglx_buildSpec() +{ + QVector<int> spec(48); + int i = 0; + + spec[i++] = GLX_LEVEL; + spec[i++] = 0; + spec[i++] = GLX_DRAWABLE_TYPE; spec[i++] = GLX_PIXMAP_BIT | GLX_WINDOW_BIT; + spec[i++] = GLX_BIND_TO_TEXTURE_TARGETS_EXT; spec[i++] = GLX_TEXTURE_2D_BIT_EXT; + spec[i++] = GLX_BIND_TO_TEXTURE_RGB_EXT; spec[i++] = TRUE; + + spec[i++] = 0; + return spec; +} + + +struct wl_xcomposite_interface XCompositeHandler::xcomposite_interface = { + XCompositeHandler::create_buffer +}; + +GraphicsHardwareIntegration *GraphicsHardwareIntegration::createGraphicsHardwareIntegration(WaylandCompositor *compositor) +{ + return new XCompositeGLXIntegration(compositor); +} + +XCompositeGLXIntegration::XCompositeGLXIntegration(WaylandCompositor *compositor) + : GraphicsHardwareIntegration(compositor) + , mDisplay(0) +{ + QPlatformNativeInterface *nativeInterface = QGuiApplicationPrivate::platformIntegration()->nativeInterface(); + if (nativeInterface) { + mDisplay = static_cast<Display *>(nativeInterface->nativeResourceForWindow("Display",m_compositor->window())); + if (!mDisplay) + qFatal("could not retireve Display from platform integration"); + } else { + qFatal("Platform integration doesn't have native interface"); + } + mScreen = XDefaultScreen(mDisplay); +} + +void XCompositeGLXIntegration::initializeHardware(Wayland::Display *waylandDisplay) +{ + XCompositeHandler *handler = new XCompositeHandler(m_compositor->handle(),mDisplay,m_compositor->window()); + wl_display_add_global(waylandDisplay->handle(),&wl_xcomposite_interface,handler,XCompositeHandler::xcomposite_bind_func); + + QOpenGLContext *glContext = new QOpenGLContext(); + glContext->create(); + + m_glxBindTexImageEXT = reinterpret_cast<PFNGLXBINDTEXIMAGEEXTPROC>(glContext->getProcAddress("glXBindTexImageEXT")); + if (!m_glxBindTexImageEXT) { + qDebug() << "Did not find glxBindTexImageExt, everything will FAIL!"; + } + m_glxReleaseTexImageEXT = reinterpret_cast<PFNGLXRELEASETEXIMAGEEXTPROC>(glContext->getProcAddress("glXReleaseTexImageEXT")); + if (!m_glxReleaseTexImageEXT) { + qDebug() << "Did not find glxReleaseTexImageExt"; + } + + delete glContext; +} + +GLuint XCompositeGLXIntegration::createTextureFromBuffer(wl_buffer *buffer, QOpenGLContext *) +{ + XCompositeBuffer *compositorBuffer = Wayland::wayland_cast<XCompositeBuffer *>(buffer); + Pixmap pixmap = XCompositeNameWindowPixmap(mDisplay, compositorBuffer->window()); + + QVector<int> glxConfigSpec = qglx_buildSpec(); + int numberOfConfigs; + GLXFBConfig *configs = glXChooseFBConfig(mDisplay,mScreen,glxConfigSpec.constData(),&numberOfConfigs); + + QVector<int> attribList; + attribList.append(GLX_TEXTURE_FORMAT_EXT); + attribList.append(GLX_TEXTURE_FORMAT_RGB_EXT); + attribList.append(GLX_TEXTURE_TARGET_EXT); + attribList.append(GLX_TEXTURE_2D_EXT); + attribList.append(0); + GLXPixmap glxPixmap = glXCreatePixmap(mDisplay,*configs,pixmap,attribList.constData()); + + uint inverted = 0; + glXQueryDrawable(mDisplay, glxPixmap, GLX_Y_INVERTED_EXT,&inverted); + compositorBuffer->setInvertedY(!inverted); + + XFree(configs); + + GLuint textureId; + glGenTextures(1,&textureId); + glBindTexture(GL_TEXTURE_2D, textureId); + m_glxBindTexImageEXT(mDisplay,glxPixmap,GLX_FRONT_EXT, 0); + //Do we need to change the api so that we do bind and release in the painevent? + //The specification states that when deleting the texture the color buffer is deleted +// m_glxReleaseTexImageEXT(mDisplay,glxPixmap,GLX_FRONT_EXT); + return textureId; +} + +bool XCompositeGLXIntegration::isYInverted(wl_buffer *buffer) const +{ + XCompositeBuffer *compositorBuffer = Wayland::wayland_cast<XCompositeBuffer *>(buffer); + return compositorBuffer->isYInverted(); +} diff --git a/src/compositor/hardware_integration/xcomposite_glx/xcompositeglxintegration.h b/src/compositor/hardware_integration/xcomposite_glx/xcompositeglxintegration.h new file mode 100644 index 000000000..43f062fdf --- /dev/null +++ b/src/compositor/hardware_integration/xcomposite_glx/xcompositeglxintegration.h @@ -0,0 +1,30 @@ +#ifndef XCOMPOSITEGLXINTEGRATION_H +#define XCOMPOSITEGLXINTEGRATION_H + +#include "hardware_integration/graphicshardwareintegration.h" + +#include "xlibinclude.h" + +#define GLX_GLXEXT_PROTOTYPES +#include <GL/glx.h> +#include <GL/glxext.h> + +class XCompositeGLXIntegration : public GraphicsHardwareIntegration +{ +public: + XCompositeGLXIntegration(WaylandCompositor *compositor); + + void initializeHardware(Wayland::Display *waylandDisplay); + + GLuint createTextureFromBuffer(struct wl_buffer *buffer, QOpenGLContext *context); + bool isYInverted(wl_buffer *) const; + +private: + PFNGLXBINDTEXIMAGEEXTPROC m_glxBindTexImageEXT; + PFNGLXRELEASETEXIMAGEEXTPROC m_glxReleaseTexImageEXT; + + Display *mDisplay; + int mScreen; +}; + +#endif // XCOMPOSITEGLXINTEGRATION_H |