diff options
Diffstat (limited to 'src/intel/vulkan/anv_android.c')
-rw-r--r-- | src/intel/vulkan/anv_android.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_android.c b/src/intel/vulkan/anv_android.c index 7b7e214379f..ca1eae7be99 100644 --- a/src/intel/vulkan/anv_android.c +++ b/src/intel/vulkan/anv_android.c @@ -247,6 +247,133 @@ anv_ahw_usage_from_vk_usage(const VkImageCreateFlags vk_create, } VkResult +anv_GetMemoryAndroidHardwareBufferANDROID( + VkDevice device_h, + const VkMemoryGetAndroidHardwareBufferInfoANDROID *pInfo, + struct AHardwareBuffer **pBuffer) +{ + ANV_FROM_HANDLE(anv_device_memory, mem, pInfo->memory); + + /* Some quotes from Vulkan spec: + * + * "If the device memory was created by importing an Android hardware + * buffer, vkGetMemoryAndroidHardwareBufferANDROID must return that same + * Android hardware buffer object." + * + * "VK_EXTERNAL_MEMORY_HANDLE_TYPE_ANDROID_HARDWARE_BUFFER_BIT_ANDROID must + * have been included in VkExportMemoryAllocateInfoKHR::handleTypes when + * memory was created." + */ + if (mem->ahw) { + *pBuffer = mem->ahw; + /* Increase refcount. */ + AHardwareBuffer_acquire(mem->ahw); + return VK_SUCCESS; + } + + return VK_ERROR_OUT_OF_HOST_MEMORY; +} + +/* + * Called from anv_AllocateMemory when import AHardwareBuffer. + */ +VkResult +anv_import_ahw_memory(VkDevice device_h, + struct anv_device_memory *mem, + const VkImportAndroidHardwareBufferInfoANDROID *info) +{ + ANV_FROM_HANDLE(anv_device, device, device_h); + + /* Import from AHardwareBuffer to anv_device_memory. */ + const native_handle_t *handle = + AHardwareBuffer_getNativeHandle(info->buffer); + + /* NOTE - We support buffers with only one handle but do not error on + * multiple handle case. Reason is that we want to support YUV formats + * where we have many logical planes but they all point to the same + * buffer, like is the case with VK_FORMAT_G8_B8R8_2PLANE_420_UNORM. + */ + int dma_buf = (handle && handle->numFds) ? handle->data[0] : -1; + if (dma_buf < 0) + return VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR; + + uint64_t bo_flags = ANV_BO_EXTERNAL; + if (device->instance->physicalDevice.supports_48bit_addresses) + bo_flags |= EXEC_OBJECT_SUPPORTS_48B_ADDRESS; + if (device->instance->physicalDevice.use_softpin) + bo_flags |= EXEC_OBJECT_PINNED; + + VkResult result = anv_bo_cache_import(device, &device->bo_cache, + dma_buf, bo_flags, &mem->bo); + assert(VK_SUCCESS); + + /* "If the vkAllocateMemory command succeeds, the implementation must + * acquire a reference to the imported hardware buffer, which it must + * release when the device memory object is freed. If the command fails, + * the implementation must not retain a reference." + */ + AHardwareBuffer_acquire(info->buffer); + mem->ahw = info->buffer; + + return VK_SUCCESS; +} + +VkResult +anv_create_ahw_memory(VkDevice device_h, + struct anv_device_memory *mem, + const VkMemoryAllocateInfo *pAllocateInfo) +{ + ANV_FROM_HANDLE(anv_device, dev, device_h); + + const VkMemoryDedicatedAllocateInfo *dedicated_info = + vk_find_struct_const(pAllocateInfo->pNext, + MEMORY_DEDICATED_ALLOCATE_INFO); + + uint32_t w = 0; + uint32_t h = 1; + uint32_t layers = 1; + uint32_t format = 0; + uint64_t usage = 0; + + /* If caller passed dedicated information. */ + if (dedicated_info && dedicated_info->image) { + ANV_FROM_HANDLE(anv_image, image, dedicated_info->image); + w = image->extent.width; + h = image->extent.height; + layers = image->array_size; + format = android_format_from_vk(image->vk_format); + usage = anv_ahw_usage_from_vk_usage(image->create_flags, image->usage); + } else if (dedicated_info && dedicated_info->buffer) { + ANV_FROM_HANDLE(anv_buffer, buffer, dedicated_info->buffer); + w = buffer->size; + format = AHARDWAREBUFFER_FORMAT_BLOB; + usage = AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN | + AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN; + } else { + w = pAllocateInfo->allocationSize; + format = AHARDWAREBUFFER_FORMAT_BLOB; + usage = AHARDWAREBUFFER_USAGE_CPU_READ_OFTEN | + AHARDWAREBUFFER_USAGE_CPU_WRITE_OFTEN; + } + + struct AHardwareBuffer *ahw = NULL; + struct AHardwareBuffer_Desc desc = { + .width = w, + .height = h, + .layers = layers, + .format = format, + .usage = usage, + }; + + if (AHardwareBuffer_allocate(&desc, &ahw) != 0) + return VK_ERROR_OUT_OF_HOST_MEMORY; + + mem->ahw = ahw; + + return VK_SUCCESS; +} + +VkResult anv_image_from_gralloc(VkDevice device_h, const VkImageCreateInfo *base_info, const VkNativeBufferANDROID *gralloc_info, |