May 2017
Beginner to intermediate
470 pages
10h 49m
English
Content preview from Android System Programming
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Initializing GPU
We have talked about HAL data structures hw_module_t and hw_module_methods_t for the Gralloc module. The last one, hw_device_t, is initialized in the open method of the Gralloc HAL module. Now we can look at the open method of the Gralloc module as follows:
int gralloc_device_open(const hw_module_t* module, const char* name, hw_device_t** device) { int status = -EINVAL; if (!strcmp(name, GRALLOC_HARDWARE_GPU0)) { gralloc_context_t *dev; dev = (gralloc_context_t*)malloc(sizeof(*dev)); memset(dev, 0, sizeof(*dev)); dev->device.common.tag = HARDWARE_DEVICE_TAG; dev->device.common.version = 0; dev->device.common.module = const_cast<hw_module_t*>(module); dev->device.common.close = gralloc_close; dev->device.alloc ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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