VK_MEMORY_PROPERTY_FLAG_BITS_MAX_ENUM=0x7FFFFFFF} VkMemoryPropertyFlagBits; VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT: 表示设备(GPU)访问这块存储效率最高。 VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT: 表示这块存储可以通过调用vkMapMemory进行映射,使得主机(CPU)可以访问。 VK_MEMORY_PROPERTY_HOST_COHERENT_BIT: ...
从Vulkan 1.3规范的“7.1.3访问类型”部分：如果内存对象不具有VK_MEMORY_PROPERTY_HOST_COHERENT_BIT...
然后创建vkImage对象,并绑定内存,之后是设置图形格式并复制数据。 boolVK_ImageImpl::createImage(uint32_twidth,uint32_theight,VkFormatformat,VkImageTilingtiling,VkImageUsageFlagsusage,VkMemoryPropertyFlagsproperties,VkImage ,VkDeviceMemory&imageMemory){createInfo.sType=VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;c...
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT); void* hostMemory = vkMapMemory (stagingBuffer); VkBuffer vertexBuffer = vkCreateBuffer (VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER
upload_heap_memory_properties; break; case D3D12_HEAP_TYPE_GPU_UPLOAD: *type_flags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT | VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT; break; case D3D12_HEAP_TYPE_READBACK: *type_flags = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT ...
memAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memRequirements.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT); VkExportMemoryAllocateInfoKHR exportInfo = {}; exportInfo.sType = VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO_KHR; ...
//Updating the buffer VkBuffer staging_buffer; VkDeviceMemory staging_memory; vulkan_allocate_buffer(size, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &staging_buffer, &staging_memory); void *_data; vkMapMemory(vulkan_co...
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT vk::MemoryPropertyFlagBits::eHostVisible | vk::MemoryPropertyFlagBits::eHostCoherent We can easily update the buffer doing the following: g_vertexDataVK[0].pos.x = sin(t); g_vertexDataVK[1].pos.y = cos(t);...
vkAllocateMemory(): required: VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT preferred: VK_MEMORY_PROPERTY_HOST_CACHED_BIT preferred_not: VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT ncnn::VkAndroidHardwareBufferImageAllocator 专门为Android优化显存分配器...
OpenResty 是一个强大的 Web 应用服务器，Web 开发人员可以使用 Lua 脚本语言调动 Nginx 支持的各种 C ...