diff options
Diffstat (limited to 'GrallocHAL/src/libGralloc4Wrapper/wrapper.cpp')
| -rw-r--r-- | GrallocHAL/src/libGralloc4Wrapper/wrapper.cpp | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/GrallocHAL/src/libGralloc4Wrapper/wrapper.cpp b/GrallocHAL/src/libGralloc4Wrapper/wrapper.cpp deleted file mode 100644 index c9d3381..0000000 --- a/GrallocHAL/src/libGralloc4Wrapper/wrapper.cpp +++ /dev/null @@ -1,237 +0,0 @@ -#include "gralloc4/gralloc_vendor_interface.h" -#include <vector> -#include <sys/stat.h> - -#include "core/format_info.h" -#include "core/mali_gralloc_bufferdescriptor.h" -#include "core/mali_gralloc_bufferallocation.h" -#include "core/mali_gralloc_reference.h" -#include "allocator/mali_gralloc_ion.h" -#include "hidl_common/SharedMetadata.h" -#include "gralloc_priv.h" - -namespace android::hardware::graphics::allocator::priv { - -struct Descriptor { - unsigned int size = 0; - uint64_t producer_usage = 0; - uint64_t consumer_usage = 0; - - struct PlaneDescriptor { - int fd = -1; - size_t size = 0; - off_t offset = 0; - int stride_byte = 0; - }; - std::vector<PlaneDescriptor> planes; - - int width = 0; - int height = 0; - int stride_pixel = 0; - int format = 0; -}; - -Descriptor *createDescriptor() { return new Descriptor(); } -void deleteDescriptor(Descriptor *descriptor) { delete descriptor; } - -void setProducerUsage(Descriptor &descriptor, uint64_t usage) { - descriptor.producer_usage = usage; -} - -void setConsumerUsage(Descriptor &descriptor, uint64_t usage) { - descriptor.consumer_usage = usage; -} - -void setPlaneCount(Descriptor &descriptor, int count) { - descriptor.planes.resize(count); -} - -void setPlane(Descriptor &descriptor, int index, int fd, size_t size, off_t offset, int stride_byte) { - descriptor.planes[index].fd = fd; - descriptor.planes[index].size = size; - descriptor.planes[index].offset = offset; - descriptor.planes[index].stride_byte = stride_byte; -} - -void setWidth(Descriptor &descriptor, int width) { - descriptor.width = width; -} - -void setHeight(Descriptor &descriptor, int height) { - descriptor.height = height; -} - -void setStridePixel(Descriptor &descriptor, int stride_pixel) { - descriptor.stride_pixel = stride_pixel; -} - -void setFormat(Descriptor &descriptor, int format) { - descriptor.format = format; -} - -buffer_handle_t createNativeHandle(const Descriptor &descriptor) { - for (int i = 0; i < descriptor.planes.size(); ++i) { - struct stat st; - fstat(descriptor.planes[i].fd, &st); - off64_t fd_size = st.st_size; - if (fd_size < descriptor.planes[i].size) { - ALOGE("libGralloc4Wrapper: createNativeHandle failed: plane[%d] requested size greater than fd size.", - i); - return nullptr; - } - } - - buffer_descriptor_t buffer_descriptor; - - buffer_descriptor.pixel_stride = descriptor.stride_pixel; - buffer_descriptor.width = descriptor.width; - buffer_descriptor.height = descriptor.height; - buffer_descriptor.layer_count = 1; - buffer_descriptor.hal_format = buffer_descriptor.alloc_format - = descriptor.format; - buffer_descriptor.producer_usage = descriptor.producer_usage; - buffer_descriptor.consumer_usage = descriptor.consumer_usage; - buffer_descriptor.format_type = MALI_GRALLOC_FORMAT_TYPE_USAGE; - buffer_descriptor.signature = sizeof(buffer_descriptor_t); - - buffer_descriptor.fd_count = buffer_descriptor.plane_count - = descriptor.planes.size(); - for (int i = 0; i < descriptor.planes.size(); ++i) { - buffer_descriptor.alloc_sizes[i] = descriptor.planes[i].size; - } - - auto format_index = get_format_index(descriptor.format); - if (format_index == -1) { - ALOGE("libGralloc4Wrapper: invalid format 0x%x", - descriptor.format); - return 0; - } - for (int i = 0; i < descriptor.planes.size(); ++i) { - uint8_t bpp = formats[format_index].bpp[i]; - if (bpp == 0) { - ALOGE("libGralloc4Wrapper: format 0x%x has bpp[%d]=0", - descriptor.format, i); - return nullptr; - } - buffer_descriptor.plane_info[i] = { - .byte_stride = static_cast<uint32_t>((descriptor.planes[i].stride_byte * bpp) / 8), - .alloc_width = buffer_descriptor.width, - .alloc_height = buffer_descriptor.height, - }; - } - - if (mali_gralloc_derive_format_and_size(&buffer_descriptor)) { - ALOGE("libGralloc4Wrapper: mali_gralloc_derive_format_and_size failed"); - return nullptr; - } - - const gralloc_buffer_descriptor_t gralloc_buffer_descriptor = - reinterpret_cast<const gralloc_buffer_descriptor_t>(&buffer_descriptor); - - buffer_handle_t tmp_buffer; - bool shared_backend; - // TODO(modan@, make mali_gralloc_ion_allocate accept multiple fds) - { - int result = mali_gralloc_buffer_allocate(&gralloc_buffer_descriptor, 1, &tmp_buffer, - &shared_backend, descriptor.planes[0].fd); - if (result < 0) { - ALOGE("mali_gralloc_buffer_allocate failed"); - return nullptr; - } - } - - private_handle_t *hnd = const_cast<private_handle_t *>( - static_cast<const private_handle_t *>(tmp_buffer)); - - hnd->imapper_version = HIDL_MAPPER_VERSION_SCALED; - - hnd->reserved_region_size = buffer_descriptor.reserved_size; - hnd->attr_size = arm::mapper::common::shared_metadata_size() + hnd->reserved_region_size; - - { - int result = mali_gralloc_ion_allocate_attr(hnd); - if (result < 0) { - ALOGE("mali_gralloc_ion_allocate_attr failed"); - mali_gralloc_buffer_free(tmp_buffer); - return nullptr; - } - } - - { - hnd->attr_base = mmap(nullptr, hnd->attr_size, PROT_READ | PROT_WRITE, - MAP_SHARED, hnd->get_share_attr_fd(), 0); - if (hnd->attr_base == MAP_FAILED) { - ALOGE("mmap hnd->get_share_attr_fd() failed"); - mali_gralloc_buffer_free(tmp_buffer); - return nullptr; - } - - memset(hnd->attr_base, 0, hnd->attr_size); - - arm::mapper::common::shared_metadata_init(hnd->attr_base, buffer_descriptor.name); - - const uint32_t base_format = buffer_descriptor.alloc_format & MALI_GRALLOC_INTFMT_FMT_MASK; - const uint64_t usage = buffer_descriptor.consumer_usage | buffer_descriptor.producer_usage; - android_dataspace_t dataspace; - get_format_dataspace(base_format, usage, hnd->width, hnd->height, &dataspace); - - arm::mapper::common::set_dataspace(hnd, static_cast<arm::mapper::common::Dataspace>(dataspace)); - - munmap(hnd->attr_base, hnd->attr_size); - hnd->attr_base = 0; - } - - // TODO(modan@, handle all plane offsets) - hnd->offset = hnd->plane_info[0].offset = descriptor.planes[0].offset; - hnd->layer_count = 1; - - return tmp_buffer; -} - -int freeImportedHandle(void *handle) -{ - using android::hardware::graphics::mapper::V4_0::IMapper; - using android::hardware::graphics::mapper::V4_0::Error; - - const private_handle_t *hnd = static_cast<private_handle_t *>(handle); - - struct UnmapWork { void *base; size_t alloc_size; }; - std::vector<UnmapWork> work(hnd->fd_count); - - for (size_t i = 0; i < hnd->fd_count; ++i) - { - work[i].base = reinterpret_cast<void*>(hnd->bases[i]); - work[i].alloc_size = hnd->alloc_sizes[i]; - } - - static android::sp<IMapper> mapper = IMapper::getService(); - if (!mapper) - { - ALOGE("libGralloc4Wrapper: %s failed to get a mapper", __func__); - return -1; - } - - if (mapper->freeBuffer(handle) != Error::NONE) - { - ALOGE("libGralloc4Wrapper: %s couldn't freeBuffer(%p\n", __func__, handle); - return -1; - } - - { - bool unmapFailed = false; - for (const UnmapWork &w : work) - { - if (!w.base) { continue; } - if (int ret = munmap(w.base, w.alloc_size); ret) - { - ALOGE("libGralloc4Wrapper: %s couldn't unmap address %p (size %zu): %s", __func__, w.base, w.alloc_size, strerror(ret)); - unmapFailed = true; - } - } - if (unmapFailed) { return -1; } - } - - return 0; -} - -} // namespace android::hardware::graphics::allocator::priv |