diff options
Diffstat (limited to 'mkspecs/devices/linux-rasp-pi-g++/qeglfshooks_pi.cpp')
| -rw-r--r-- | mkspecs/devices/linux-rasp-pi-g++/qeglfshooks_pi.cpp | 219 |
1 files changed, 183 insertions, 36 deletions
diff --git a/mkspecs/devices/linux-rasp-pi-g++/qeglfshooks_pi.cpp b/mkspecs/devices/linux-rasp-pi-g++/qeglfshooks_pi.cpp index 5c5799b385..7cb3c7b2fe 100644 --- a/mkspecs/devices/linux-rasp-pi-g++/qeglfshooks_pi.cpp +++ b/mkspecs/devices/linux-rasp-pi-g++/qeglfshooks_pi.cpp @@ -40,6 +40,12 @@ ****************************************************************************/ #include "qeglfshooks.h" +#include "qeglfscursor.h" + +#include <QtDebug> + +#include <QtPlatformSupport/private/qeglconvenience_p.h> +#include <QtPlatformSupport/private/qeglplatformcontext_p.h> #include <bcm_host.h> @@ -56,6 +62,177 @@ QT_BEGIN_NAMESPACE static DISPMANX_DISPLAY_HANDLE_T dispman_display = 0; +static EGLNativeWindowType createDispmanxLayer(const QPoint &pos, const QSize &size, int z, DISPMANX_FLAGS_ALPHA_T flags) +{ + VC_RECT_T dst_rect; + dst_rect.x = pos.x(); + dst_rect.y = pos.y(); + dst_rect.width = size.width(); + dst_rect.height = size.height(); + + VC_RECT_T src_rect; + src_rect.x = 0; + src_rect.y = 0; + src_rect.width = size.width() << 16; + src_rect.height = size.height() << 16; + + DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0); + + VC_DISPMANX_ALPHA_T alpha; + alpha.flags = flags; + alpha.opacity = 0xFF; + alpha.mask = 0; + + DISPMANX_ELEMENT_HANDLE_T dispman_element = vc_dispmanx_element_add( + dispman_update, dispman_display, z, &dst_rect, 0, &src_rect, + DISPMANX_PROTECTION_NONE, &alpha, (DISPMANX_CLAMP_T *)NULL, (DISPMANX_TRANSFORM_T)0); + + vc_dispmanx_update_submit_sync(dispman_update); + + EGL_DISPMANX_WINDOW_T *eglWindow = new EGL_DISPMANX_WINDOW_T; + eglWindow->element = dispman_element; + eglWindow->width = size.width(); + eglWindow->height = size.height(); + + return eglWindow; +} + +// this function is not part of debian squeeze headers +extern "C" int VCHPOST_ vc_dispmanx_element_change_attributes(DISPMANX_UPDATE_HANDLE_T update, + DISPMANX_ELEMENT_HANDLE_T element, uint32_t change_flags, int32_t layer, + uint8_t opacity, const VC_RECT_T *dest_rect, const VC_RECT_T *src_rect, + DISPMANX_RESOURCE_HANDLE_T mask, VC_IMAGE_TRANSFORM_T transform); + +// these constants are not in any headers (yet) +#define ELEMENT_CHANGE_LAYER (1<<0) +#define ELEMENT_CHANGE_OPACITY (1<<1) +#define ELEMENT_CHANGE_DEST_RECT (1<<2) +#define ELEMENT_CHANGE_SRC_RECT (1<<3) +#define ELEMENT_CHANGE_MASK_RESOURCE (1<<4) +#define ELEMENT_CHANGE_TRANSFORM (1<<5) + +static void moveDispmanxLayer(EGLNativeWindowType window, const QPoint &pos) +{ + EGL_DISPMANX_WINDOW_T *eglWindow = static_cast<EGL_DISPMANX_WINDOW_T *>(window); + QSize size(eglWindow->width, eglWindow->height); + + VC_RECT_T dst_rect; + dst_rect.x = pos.x(); + dst_rect.y = pos.y(); + dst_rect.width = size.width(); + dst_rect.height = size.height(); + + VC_RECT_T src_rect; + src_rect.x = 0; + src_rect.y = 0; + src_rect.width = size.width() << 16; + src_rect.height = size.height() << 16; + + DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0); + vc_dispmanx_element_change_attributes(dispman_update, + eglWindow->element, + ELEMENT_CHANGE_DEST_RECT /*change_flags*/, + 0, + 0, + &dst_rect, + NULL, + 0, + (VC_IMAGE_TRANSFORM_T)0); + + vc_dispmanx_update_submit_sync(dispman_update); +} + +static void destroyDispmanxLayer(EGLNativeWindowType window) +{ + EGL_DISPMANX_WINDOW_T *eglWindow = static_cast<EGL_DISPMANX_WINDOW_T *>(window); + DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0); + vc_dispmanx_element_remove(dispman_update, eglWindow->element); + vc_dispmanx_update_submit_sync(dispman_update); + delete eglWindow; +} + +class QEglFSPiCursor : public QEglFSCursor +{ +public: + QEglFSPiCursor(QEglFSScreen *screen) : QEglFSCursor(screen) { + QSurfaceFormat platformFormat; + platformFormat.setDepthBufferSize(24); + platformFormat.setStencilBufferSize(8); + platformFormat.setRedBufferSize(8); + platformFormat.setGreenBufferSize(8); + platformFormat.setBlueBufferSize(8); + platformFormat.setAlphaBufferSize(8); + m_config = q_configFromGLFormat(m_screen->display(), platformFormat); + + createSurface(); + createContext(); + drawInLayer(); + } + + ~QEglFSPiCursor() { + eglDestroySurface(m_screen->display(), m_surface); + destroyDispmanxLayer(m_window); + eglDestroyContext(m_screen->display(), m_context); + } + + void createSurface() { + const QRect cr = cursorRect(); + m_window = createDispmanxLayer(cr.topLeft(), cr.size(), 50, DISPMANX_FLAGS_ALPHA_FROM_SOURCE); + m_surface = eglCreateWindowSurface(m_screen->display(), m_config, m_window, NULL); + } + + void createContext() { + eglBindAPI(EGL_OPENGL_ES_API); + QVector<EGLint> attrs; + attrs.append(EGL_CONTEXT_CLIENT_VERSION); + attrs.append(2); + attrs.append(EGL_NONE); + m_context = eglCreateContext(m_screen->display(), m_config, EGL_NO_CONTEXT, attrs.constData()); + } + + void drawInLayer() { + eglMakeCurrent(m_screen->display(), m_surface, m_surface, m_context); + + glClearColor(0, 0, 0, 0); + glClear(GL_COLOR_BUFFER_BIT); + draw(QRectF(QPointF(-1, 1), QPointF(1, -1))); + + eglSwapBuffers(m_screen->display(), m_surface); + eglMakeCurrent(m_screen->display(), EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + } + + void changeCursor(QCursor *cursor, QWindow *window) { + if (!setCurrentCursor(cursor)) + return; + + EGL_DISPMANX_WINDOW_T *eglWindow = static_cast<EGL_DISPMANX_WINDOW_T *>(m_window); + if (QSize(eglWindow->width, eglWindow->height) != m_cursor.size) { + eglDestroySurface(m_screen->display(), m_surface); + destroyDispmanxLayer(m_window); + createSurface(); + } + drawInLayer(); + } + + void setPos(const QPoint &pos) { + m_pos = pos; + moveDispmanxLayer(m_window, cursorRect().topLeft()); + } + + void pointerEvent(const QMouseEvent &event) { + if (event.type() != QEvent::MouseMove) + return; + m_pos = event.pos(); + moveDispmanxLayer(m_window, cursorRect().topLeft()); + } + void paintOnScreen() { } +private: + EGLConfig m_config; + EGLContext m_context; + EGLNativeWindowType m_window; + EGLSurface m_surface; +}; + class QEglFSPiHooks : public QEglFSHooks { public: @@ -66,6 +243,10 @@ public: virtual EGLNativeWindowType createNativeWindow(const QSize &size); virtual void destroyNativeWindow(EGLNativeWindowType window); virtual bool hasCapability(QPlatformIntegration::Capability cap) const; + + QEglFSCursor *createCursor(QEglFSScreen *screen) const { + return new QEglFSPiCursor(screen); + } }; void QEglFSPiHooks::platformInit() @@ -113,46 +294,12 @@ QSize QEglFSPiHooks::screenSize() const EGLNativeWindowType QEglFSPiHooks::createNativeWindow(const QSize &size) { - VC_RECT_T dst_rect; - dst_rect.x = 0; - dst_rect.y = 0; - dst_rect.width = size.width(); - dst_rect.height = size.height(); - - VC_RECT_T src_rect; - src_rect.x = 0; - src_rect.y = 0; - src_rect.width = size.width() << 16; - src_rect.height = size.height() << 16; - - DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0); - - VC_DISPMANX_ALPHA_T alpha; - alpha.flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS; - alpha.opacity = 0xFF; - alpha.mask = 0; - - DISPMANX_ELEMENT_HANDLE_T dispman_element = vc_dispmanx_element_add( - dispman_update, dispman_display, 0, &dst_rect, 0, &src_rect, - DISPMANX_PROTECTION_NONE, &alpha, (DISPMANX_CLAMP_T *)NULL, (DISPMANX_TRANSFORM_T)0); - - vc_dispmanx_update_submit_sync(dispman_update); - - EGL_DISPMANX_WINDOW_T *eglWindow = new EGL_DISPMANX_WINDOW_T; - eglWindow->element = dispman_element; - eglWindow->width = size.width(); - eglWindow->height = size.height(); - - return eglWindow; + return createDispmanxLayer(QPoint(0, 0), size, 0, DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS); } void QEglFSPiHooks::destroyNativeWindow(EGLNativeWindowType window) { - EGL_DISPMANX_WINDOW_T *eglWindow = static_cast<EGL_DISPMANX_WINDOW_T *>(window); - DISPMANX_UPDATE_HANDLE_T dispman_update = vc_dispmanx_update_start(0); - vc_dispmanx_element_remove(dispman_update, eglWindow->element); - vc_dispmanx_update_submit_sync(dispman_update); - delete eglWindow; + destroyDispmanxLayer(window); } bool QEglFSPiHooks::hasCapability(QPlatformIntegration::Capability cap) const |