diff options
Diffstat (limited to 'src/plugins/gfxdrivers/powervr')
7 files changed, 66 insertions, 29 deletions
diff --git a/src/plugins/gfxdrivers/powervr/QWSWSEGL/QWSWSEGL.pro b/src/plugins/gfxdrivers/powervr/QWSWSEGL/QWSWSEGL.pro index b62894d..9331d0a 100644 --- a/src/plugins/gfxdrivers/powervr/QWSWSEGL/QWSWSEGL.pro +++ b/src/plugins/gfxdrivers/powervr/QWSWSEGL/QWSWSEGL.pro @@ -22,3 +22,5 @@ LIBS += -lpvr2d DESTDIR = $$QMAKE_LIBDIR_QT target.path = $$[QT_INSTALL_LIBS] INSTALLS += target + +include(../powervr.pri)
\ No newline at end of file diff --git a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.c b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.c index 5c37253..4771d14 100644 --- a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.c +++ b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable.c @@ -72,7 +72,7 @@ static int pvrQwsInitFbScreen(int screen) /* Bail out if already initialized, or the number is incorrect */ if (screen < 0 || screen >= PVRQWS_MAX_SCREENS) return 0; - if (pvrQwsDisplay.screens[screen].mapped) + if (pvrQwsDisplay.screens[screen].initialized) return 1; /* Open the framebuffer and fetch its properties */ @@ -125,26 +125,33 @@ static int pvrQwsInitFbScreen(int screen) start = fix.smem_start; length = var.xres_virtual * var.yres_virtual * bytesPerPixel; - /* Map the framebuffer region into memory */ - mapped = mmap(0, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - if (!mapped || mapped == (void *)(-1)) { - perror("mmap"); - close(fd); - return 0; - } - - /* Allocate a PVR2D memory region for the framebuffer */ - memInfo = 0; - if (pvrQwsDisplay.context) { - pageAddresses[0] = start & 0xFFFFF000; - pageAddresses[1] = 0; - if (PVR2DMemWrap - (pvrQwsDisplay.context, mapped, PVR2D_WRAPFLAG_CONTIGUOUS, - length, pageAddresses, &memInfo) != PVR2D_OK) { - munmap(mapped, length); + if (screen == 0) { + /* We use PVR2DGetFrameBuffer to map the first screen. + On some chipsets it is more reliable than using PVR2DMemWrap */ + mapped = 0; + memInfo = 0; + } else { + /* Other screens: map the framebuffer region into memory */ + mapped = mmap(0, length, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + if (!mapped || mapped == (void *)(-1)) { + perror("mmap"); close(fd); return 0; } + + /* Allocate a PVR2D memory region for the framebuffer */ + memInfo = 0; + if (pvrQwsDisplay.context) { + pageAddresses[0] = start & 0xFFFFF000; + pageAddresses[1] = 0; + if (PVR2DMemWrap + (pvrQwsDisplay.context, mapped, PVR2D_WRAPFLAG_CONTIGUOUS, + length, pageAddresses, &memInfo) != PVR2D_OK) { + munmap(mapped, length); + close(fd); + return 0; + } + } } /* We don't need the file descriptor any more */ @@ -158,11 +165,17 @@ static int pvrQwsInitFbScreen(int screen) pvrQwsDisplay.screens[screen].screenStride = stride; pvrQwsDisplay.screens[screen].pixelFormat = format; pvrQwsDisplay.screens[screen].bytesPerPixel = bytesPerPixel; - pvrQwsDisplay.screens[screen].frameBuffer = memInfo; pvrQwsDisplay.screens[screen].screenDrawable = 0; - pvrQwsDisplay.screens[screen].mapped = mapped; + if (mapped) { + /* Don't set these fields if mapped is 0, because PVR2DGetFrameBuffer + may have already been called and set them */ + pvrQwsDisplay.screens[screen].frameBuffer = memInfo; + pvrQwsDisplay.screens[screen].mapped = mapped; + } pvrQwsDisplay.screens[screen].mappedLength = length; pvrQwsDisplay.screens[screen].screenStart = start; + pvrQwsDisplay.screens[screen].needsUnmap = (mapped != 0); + pvrQwsDisplay.screens[screen].initialized = 1; return 1; } @@ -209,7 +222,7 @@ static int pvrQwsAddDrawable(void) /* Create the PVR2DMEMINFO blocks for the active framebuffers */ for (screen = 0; screen < PVRQWS_MAX_SCREENS; ++screen) { - if (pvrQwsDisplay.screens[screen].mapped) { + if (screen != 0 && pvrQwsDisplay.screens[screen].mapped) { pageAddresses[0] = pvrQwsDisplay.screens[screen].screenStart & 0xFFFFF000; pageAddresses[1] = 0; @@ -224,6 +237,17 @@ static int pvrQwsAddDrawable(void) return 0; } pvrQwsDisplay.screens[screen].frameBuffer = memInfo; + } else if (screen == 0) { + if (PVR2DGetFrameBuffer + (pvrQwsDisplay.context, + PVR2D_FB_PRIMARY_SURFACE, &memInfo) != PVR2D_OK) { + fprintf(stderr, "QWSWSEGL: could not get the primary framebuffer surface\n"); + PVR2DDestroyDeviceContext(pvrQwsDisplay.context); + pvrQwsDisplay.context = 0; + return 0; + } + pvrQwsDisplay.screens[screen].frameBuffer = memInfo; + pvrQwsDisplay.screens[screen].mapped = memInfo->pBase; } } @@ -330,7 +354,7 @@ void pvrQwsDisplayClose(void) pvrQwsDestroyDrawableForced(info->screenDrawable); if (info->frameBuffer) PVR2DMemFree(pvrQwsDisplay.context, info->frameBuffer); - if (info->mapped) + if (info->mapped && info->needsUnmap) munmap(info->mapped, info->mappedLength); } diff --git a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable_p.h b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable_p.h index d6c42a6..4f3ea90 100644 --- a/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable_p.h +++ b/src/plugins/gfxdrivers/powervr/QWSWSEGL/pvrqwsdrawable_p.h @@ -76,6 +76,8 @@ typedef struct { void *mapped; int mappedLength; unsigned long screenStart; + int needsUnmap; + int initialized; } PvrQwsScreenInfo; diff --git a/src/plugins/gfxdrivers/powervr/README b/src/plugins/gfxdrivers/powervr/README index b830066..4dce87f 100644 --- a/src/plugins/gfxdrivers/powervr/README +++ b/src/plugins/gfxdrivers/powervr/README @@ -8,6 +8,9 @@ is built as two libraries: The actual QScreen plugin used by Qt (in the pvreglscreen directory) and a WSEGL plugin for the PowerVR drivers (in the QWSWSEGL directory). +Qt/Embedded needs to be configured with the QT_QWS_CLIENTBLIT and +QT_NO_QWS_CURSOR defines. + The PowerVR drivers provide the WSEGL plugin API to allow window systems such as QWS to integrate correctly. In order to use the integration, the WSEGL plugin (libpvrQWSWSEGL.so, usually installed into the Qt library directory) must be in @@ -26,12 +29,13 @@ strictly Unix-style markers. *************************************************************************** * IMPORTANT: To build the QScreen plugin and the WSEGL library it depends * -* on, the pvr2d.h, wsegl.h headers for your platform are required. These * -* can be obtained either through your platform provider or directly from * -* Imagination Technologies. * +* on, the pvr2d.h, wsegl.h headers for your platform are required. You * +* can find a copy of these headers in src/3rdparty/powervr for SGX based * +* platforms like the TI OMAP3xxx. They may also work on MBX platforms too * +* depending on how old your libEGL is. You can tell Qt where to find * +* these headers by setting QMAKE_INCDIR_POWERVR in the mkspec. * *************************************************************************** - When you start a Qt/Embedded application, you should modify the QWS_DISPLAY environment variable to use the "powervr" driver instead of "LinuxFb". For example, if your original QWS_DISPLAY variable was: diff --git a/src/plugins/gfxdrivers/powervr/powervr.pri b/src/plugins/gfxdrivers/powervr/powervr.pri new file mode 100644 index 0000000..9df8c0e --- /dev/null +++ b/src/plugins/gfxdrivers/powervr/powervr.pri @@ -0,0 +1,2 @@ + +INCLUDEPATH += $$QMAKE_INCDIR_POWERVR diff --git a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.cpp b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.cpp index 3a94851..b0ffbf1 100644 --- a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.cpp +++ b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.cpp @@ -381,7 +381,7 @@ void PvrEglSurfaceHolder::removeSurface() // create the temporary surface again. if (surface == EGL_NO_SURFACE && dpy != EGL_NO_DISPLAY) { surface = eglCreateWindowSurface - (dpy, config, (EGLNativeWindowType)tempSurface, NULL); + (dpy, config, (EGLNativeWindowType)(-1), NULL); if (surface == EGL_NO_SURFACE) qWarning("Could not re-create the temporary EGL surface"); } diff --git a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.pro b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.pro index 691cd2d..675be85 100644 --- a/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.pro +++ b/src/plugins/gfxdrivers/powervr/pvreglscreen/pvreglscreen.pro @@ -9,9 +9,10 @@ DEFINES += QT_QWS_CLIENTBLIT INCLUDEPATH += ../QWSWSEGL + HEADERS = \ - pvreglscreen.h \ - pvreglwindowsurface.h + pvreglscreen.h \ + pvreglwindowsurface.h SOURCES = \ pvreglscreenplugin.cpp \ @@ -22,3 +23,5 @@ QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/gfxdrivers target.path = $$[QT_INSTALL_PLUGINS]/gfxdrivers INSTALLS += target + +include(../powervr.pri)
\ No newline at end of file |