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| author | David Turner <digit@android.com> | 2014-07-04 13:20:55 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2014-07-04 08:02:36 +0000 |
| commit | 3e618a6aa10c783d1536f20edfc3347939cfa18e (patch) | |
| tree | 95003762f60d04cf497db660870bbffe30183a20 /modules/gralloc | |
| parent | 6f91ded57bf133fbf572cde2f5623bb8289f7eaa (diff) | |
| parent | 5641642a207fdd21175d2134316c4da34db3e9e9 (diff) | |
| download | hardware_libhardware-3e618a6aa10c783d1536f20edfc3347939cfa18e.zip hardware_libhardware-3e618a6aa10c783d1536f20edfc3347939cfa18e.tar.gz hardware_libhardware-3e618a6aa10c783d1536f20edfc3347939cfa18e.tar.bz2 | |
Merge "gralloc: let target configure page flipping ioctl"
Diffstat (limited to 'modules/gralloc')
| -rw-r--r-- | modules/gralloc/Android.mk | 3 | ||||
| -rw-r--r-- | modules/gralloc/framebuffer.cpp | 14 |
2 files changed, 16 insertions, 1 deletions
diff --git a/modules/gralloc/Android.mk b/modules/gralloc/Android.mk index a4ffd20..092e851 100644 --- a/modules/gralloc/Android.mk +++ b/modules/gralloc/Android.mk @@ -29,5 +29,8 @@ LOCAL_SRC_FILES := \ LOCAL_MODULE := gralloc.default LOCAL_CFLAGS:= -DLOG_TAG=\"gralloc\" -Wno-missing-field-initializers +ifeq ($(TARGET_USE_PAN_DISPLAY),true) +LOCAL_CFLAGS += -DUSE_PAN_DISPLAY=1 +endif include $(BUILD_SHARED_LIBRARY) diff --git a/modules/gralloc/framebuffer.cpp b/modules/gralloc/framebuffer.cpp index 9d8513a..486e27a 100644 --- a/modules/gralloc/framebuffer.cpp +++ b/modules/gralloc/framebuffer.cpp @@ -42,6 +42,13 @@ /*****************************************************************************/ +// Set TARGET_USE_PAN_DISPLAY to true at compile time if the +// board uses FBIOPAN_DISPLAY to setup page flipping, otherwise +// default ioctl to do page-flipping is FBIOPUT_VSCREENINFO. +#ifndef USE_PAN_DISPLAY +#define USE_PAN_DISPLAY 0 +#endif + // numbers of buffers for page flipping #define NUM_BUFFERS 2 @@ -178,10 +185,15 @@ int mapFrameBufferLocked(struct private_module_t* module) uint32_t flags = PAGE_FLIP; +#if USE_PAN_DISPLAY + if (ioctl(fd, FBIOPAN_DISPLAY, &info) == -1) { + ALOGW("FBIOPAN_DISPLAY failed, page flipping not supported"); +#else if (ioctl(fd, FBIOPUT_VSCREENINFO, &info) == -1) { + ALOGW("FBIOPUT_VSCREENINFO failed, page flipping not supported"); +#endif info.yres_virtual = info.yres; flags &= ~PAGE_FLIP; - ALOGW("FBIOPUT_VSCREENINFO failed, page flipping not supported"); } if (info.yres_virtual < info.yres * 2) { |