diff options
Diffstat (limited to 'src/hardwareintegration/client/drm-egl-server')
3 files changed, 310 insertions, 0 deletions
diff --git a/src/hardwareintegration/client/drm-egl-server/drm-egl-server.pri b/src/hardwareintegration/client/drm-egl-server/drm-egl-server.pri new file mode 100644 index 00000000..dbc8dacf --- /dev/null +++ b/src/hardwareintegration/client/drm-egl-server/drm-egl-server.pri @@ -0,0 +1,17 @@ +INCLUDEPATH += $$PWD + +contains(QT_CONFIG, no-pkg-config) { + LIBS += -lEGL -lwayland-client +} else { + CONFIG += link_pkgconfig + PKGCONFIG += egl wayland-client +} + +SOURCES += \ + $$PWD/drmeglserverbufferintegration.cpp + +HEADERS += \ + $$PWD/drmeglserverbufferintegration.h + +CONFIG += wayland-scanner +WAYLANDCLIENTSOURCES += $$PWD/../../../extensions/drm-egl-server-buffer.xml diff --git a/src/hardwareintegration/client/drm-egl-server/drmeglserverbufferintegration.cpp b/src/hardwareintegration/client/drm-egl-server/drmeglserverbufferintegration.cpp new file mode 100644 index 00000000..74793dfc --- /dev/null +++ b/src/hardwareintegration/client/drm-egl-server/drmeglserverbufferintegration.cpp @@ -0,0 +1,161 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "drmeglserverbufferintegration.h" +#include <QtWaylandClient/qwaylanddisplay.h> +#include <QDebug> +#include <QtGui/QOpenGLContext> + +#include <EGL/egl.h> + +QT_BEGIN_NAMESPACE + +DrmServerBuffer::DrmServerBuffer(DrmEglServerBufferIntegration *integration + , int32_t name + , int32_t width + , int32_t height + , int32_t stride + , int32_t format) + : m_integration(integration) +{ + EGLint attribs[] = { + EGL_WIDTH, width, + EGL_HEIGHT, height, + EGL_DRM_BUFFER_STRIDE_MESA, stride /4, + EGL_DRM_BUFFER_FORMAT_MESA, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA, + EGL_NONE + }; + + qintptr name_pointer = name; + m_image = integration->eglCreateImageKHR(EGL_NO_CONTEXT, EGL_DRM_BUFFER_MESA, (EGLClientBuffer) name_pointer, attribs); + + switch (format) { + case QtWayland::qt_drm_egl_server_buffer::format_RGBA32: + m_format = QWaylandServerBuffer::RGBA32; + break; + case QtWayland::qt_drm_egl_server_buffer::format_A8: + m_format = QWaylandServerBuffer::A8; + break; + default: + qWarning("DrmServerBuffer: unknown format"); + m_format = QWaylandServerBuffer::RGBA32; + break; + } +} + +DrmServerBuffer::~DrmServerBuffer() +{ + m_integration->eglDestroyImageKHR(m_image); +} + +GLuint DrmServerBuffer::createTexture() +{ + if (!QOpenGLContext::currentContext()) + qWarning("DrmServerBuffer: creating texture with no current context"); + + GLuint texture_id = 0; + glGenTextures(1,&texture_id); + glBindTexture(GL_TEXTURE_2D, texture_id); + m_integration->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, m_image); + + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + return texture_id; + +} + +void DrmEglServerBufferIntegration::initialize(QWaylandDisplay *display) +{ + m_egl_display = eglGetDisplay((EGLNativeDisplayType) display->wl_display()); + if (EGL_NO_DISPLAY) { + qWarning("Failed to initialize drm egl server buffer integration. Could not get egl display from wl_display."); + return; + } + + const char *extensionString = eglQueryString(m_egl_display, EGL_EXTENSIONS); + if (!extensionString || !strstr(extensionString, "EGL_KHR_image")) { + qWarning("Failed to initialize drm egl server buffer integration. There is no EGL_KHR_image extension.\n"); + return; + } + m_egl_create_image = reinterpret_cast<PFNEGLCREATEIMAGEKHRPROC>(eglGetProcAddress("eglCreateImageKHR")); + m_egl_destroy_image = reinterpret_cast<PFNEGLDESTROYIMAGEKHRPROC>(eglGetProcAddress("eglDestroyImageKHR")); + if (!m_egl_create_image || !m_egl_destroy_image) { + qWarning("Failed to initialize drm egl server buffer integration. Could not resolve eglCreateImageKHR or eglDestroyImageKHR"); + return; + } + + m_gl_egl_image_target_texture = reinterpret_cast<PFNGLEGLIMAGETARGETTEXTURE2DOESPROC>(eglGetProcAddress("glEGLImageTargetTexture2DOES")); + if (!m_gl_egl_image_target_texture) { + qWarning("Failed to initialize drm egl server buffer integration. Could not resolve glEGLImageTargetTexture2DOES"); + return; + } + + QtWayland::wl_registry::init(wl_display_get_registry(display->wl_display())); +} + +QWaylandServerBuffer *DrmEglServerBufferIntegration::serverBuffer(struct qt_server_buffer *buffer) +{ + return static_cast<QWaylandServerBuffer *>(qt_server_buffer_get_user_data(buffer)); +} + +void DrmEglServerBufferIntegration::registry_global(uint32_t name, const QString &interface, uint32_t version) +{ + Q_UNUSED(version); + if (interface == QStringLiteral("qt_drm_egl_server_buffer")) { + struct ::wl_registry *registry = QtWayland::wl_registry::object(); + QtWayland::qt_drm_egl_server_buffer::init(registry, name); + } +} + +void DrmEglServerBufferIntegration::drm_egl_server_buffer_server_buffer_created(struct ::qt_server_buffer *id + , int32_t name + , int32_t width + , int32_t height + , int32_t stride + , int32_t format) +{ + DrmServerBuffer *server_buffer = new DrmServerBuffer(this, name, width, height, stride, format); + qt_server_buffer_set_user_data(id, server_buffer); +} + +QT_END_NAMESPACE diff --git a/src/hardwareintegration/client/drm-egl-server/drmeglserverbufferintegration.h b/src/hardwareintegration/client/drm-egl-server/drmeglserverbufferintegration.h new file mode 100644 index 00000000..4a039d12 --- /dev/null +++ b/src/hardwareintegration/client/drm-egl-server/drmeglserverbufferintegration.h @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef DRMEGLSERVERBUFFERINTEGRATION_H +#define DRMEGLSERVERBUFFERINTEGRATION_H + +#include <QtWaylandClient/private/qwayland-wayland.h> +#include "qwayland-drm-egl-server-buffer.h" +#include <QtWaylandClient/qwaylandserverbufferintegration.h> + +#include "drmeglserverbufferintegration.h" +#include <QtWaylandClient/qwaylanddisplay.h> +#include <QtCore/QTextStream> + +#include <EGL/egl.h> +#include <EGL/eglext.h> +#ifndef EGL_KHR_image +typedef void *EGLImageKHR; +typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list); +typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImageKHR image); +#endif + +#ifndef GL_OES_EGL_image +typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image); +#endif + +QT_BEGIN_NAMESPACE + +class DrmEglServerBufferIntegration; + +class DrmServerBuffer : public QWaylandServerBuffer +{ +public: + DrmServerBuffer(DrmEglServerBufferIntegration *integration, int32_t name, int32_t width, int32_t height, int32_t stride, int32_t format); + ~DrmServerBuffer(); + GLuint createTexture() Q_DECL_OVERRIDE; +private: + DrmEglServerBufferIntegration *m_integration; + EGLImageKHR m_image; + QSize m_size; +}; + +class DrmEglServerBufferIntegration + : public QWaylandServerBufferIntegration + , public QtWayland::wl_registry + , public QtWayland::qt_drm_egl_server_buffer +{ +public: + void initialize(QWaylandDisplay *display) Q_DECL_OVERRIDE; + + virtual QWaylandServerBuffer *serverBuffer(struct qt_server_buffer *buffer) Q_DECL_OVERRIDE; + + inline EGLImageKHR eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list); + inline EGLBoolean eglDestroyImageKHR (EGLImageKHR image); + inline void glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image); +protected: + void registry_global(uint32_t name, const QString &interface, uint32_t version) Q_DECL_OVERRIDE; + void drm_egl_server_buffer_server_buffer_created(struct ::qt_server_buffer *id, int32_t name, int32_t width, int32_t height, int32_t stride, int32_t format) Q_DECL_OVERRIDE; +private: + PFNEGLCREATEIMAGEKHRPROC m_egl_create_image; + PFNEGLDESTROYIMAGEKHRPROC m_egl_destroy_image; + PFNGLEGLIMAGETARGETTEXTURE2DOESPROC m_gl_egl_image_target_texture; + EGLDisplay m_egl_display; +}; + +EGLImageKHR DrmEglServerBufferIntegration::eglCreateImageKHR(EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list) +{ + if (!m_egl_create_image) { + qWarning("DrmEglServerBufferIntegration: Trying to used unresolved function eglCreateImageKHR"); + return EGL_NO_IMAGE_KHR; + } + return m_egl_create_image(m_egl_display, ctx, target, buffer,attrib_list); +} + +EGLBoolean DrmEglServerBufferIntegration::eglDestroyImageKHR (EGLImageKHR image) +{ + if (!m_egl_destroy_image) { + qWarning("DrmEglServerBufferIntegration: Trying to use unresolved function eglDestroyImageKHR"); + return false; + } + return m_egl_destroy_image(m_egl_display, image); +} + +void DrmEglServerBufferIntegration::glEGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image) +{ + if (!m_gl_egl_image_target_texture) { + qWarning("DrmEglServerBufferIntegration: Trying to use unresolved function glEGLImageTargetRenderbufferStorageOES"); + return; + } + m_gl_egl_image_target_texture(target,image); +} +QT_END_NAMESPACE + +#endif |