Class: Vulkan::DescriptorSetLayout

Inherits:
Object
  • Object
show all
Includes:
Checks, Conversions, Finalizer
Defined in:
lib/vulkan/descriptor_set_layout.rb

Constant Summary

Constants included from Conversions

Conversions::ACCESS_MASK_BITS, Conversions::BORDER_COLORS, Conversions::BUFFER_USAGE_BITS, Conversions::COMPARE_OPS, Conversions::DEPENDENCY_FLAG_BITS, Conversions::DESCRIPTOR_TYPES, Conversions::DYNAMIC_STATES, Conversions::FILTERS, Conversions::FORMAT_FEATURE_BITS, Conversions::IMAGE_ASPECT_BITS, Conversions::IMAGE_CREATE_BITS, Conversions::IMAGE_FORMATS, Conversions::IMAGE_TILING, Conversions::IMAGE_TYPES, Conversions::IMAGE_USAGE_BITS, Conversions::MEMORY_PROPERTIES, Conversions::PIPELINE_STAGE_BITS, Conversions::PRESENT_MODES, Conversions::SAMPLER_ADDRESS_MODES, Conversions::SAMPLER_MIPMAP_MODES, Conversions::SHADER_STAGE_BITS, Conversions::SHARING_MODES, Conversions::SURFACE_TRANSFORMS, Conversions::VERTEX_INPUT_RATES

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Finalizer

#finalize_with, #hexaddr, included, #to_ptr

Methods included from Conversions

#array_of_pointers, #array_of_structures, #array_of_uint32s, #bool_to_vk, #buffer_usage_flags_to_syms, #const_to_symbol, #cstr_to_rbstr, #flags_to_symbols, #flags_to_syms, #num_to_samples, #present_mode_to_sym, #queue_family_to_index, #struct_to_hash, #sym_to_blend_factor, #sym_to_blend_op, #sym_to_border_color, #sym_to_color_component_bit, #sym_to_command_buffer_level, #sym_to_command_buffer_usage, #sym_to_compare_op, #sym_to_cull_mode, #sym_to_descriptor_type, #sym_to_dynamic_state, #sym_to_filter, #sym_to_front_face, #sym_to_image_format, #sym_to_image_layout, #sym_to_image_tiling, #sym_to_image_type, #sym_to_index_type, #sym_to_load_op, #sym_to_pipeline_bind_point, #sym_to_polygon_mode, #sym_to_present_mode, #sym_to_sampler_address_mode, #sym_to_sampler_mipmap_mode, #sym_to_samples, #sym_to_sharing_mode, #sym_to_store_op, #sym_to_subpass_contents, #sym_to_topology, #sym_to_val, #sym_to_vertex_input_rate, #syms_to_access_mask, #syms_to_buffer_usage_flags, #syms_to_dependency_flags, #syms_to_descriptor_set_layout_type_flags, #syms_to_flags, #syms_to_format_feature_flags, #syms_to_image_aspect_flags, #syms_to_image_create_flags, #syms_to_image_usage_flags, #syms_to_memory_properties, #syms_to_pipeline_stage_flags, #syms_to_shader_stage_flags, #syms_to_surface_transforms, #vk_make_version, #vk_parse_version

Methods included from Checks

#check_result

Constructor Details

#initialize(vk, *types, descriptors:) ⇒ DescriptorSetLayout

Returns a new instance of DescriptorSetLayout.



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# File 'lib/vulkan/descriptor_set_layout.rb', line 10

def initialize(vk, *types, descriptors:)
  @vk = vk
  @types = types
  @descriptors = descriptors.map { |d| build_descriptor(**d) }
  value_p = Vulkan.create_value('VkDescriptorSetLayout', nil)
  check_result @vk.vkCreateDescriptorSetLayout(@vk.device, build_layout_info, nil, value_p)
  @handle = value_p.value
  finalize_with @vk, :vkDestroyDescriptorSetLayout, @vk.device, value_p.value, nil
end

Instance Attribute Details

#descriptors ⇒ Object (readonly)

Returns the value of attribute descriptors.



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# File 'lib/vulkan/descriptor_set_layout.rb', line 7

def descriptors
  @descriptors
end

#types ⇒ Object (readonly)

Returns the value of attribute types.



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# File 'lib/vulkan/descriptor_set_layout.rb', line 8

def types
  @types
end

Instance Method Details

#build_descriptor(binding:, type:, count: 1, stages:, samplers: []) ⇒ Object 



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# File 'lib/vulkan/descriptor_set_layout.rb', line 29

def build_descriptor(binding:, type:, count: 1, stages:, samplers: [])
  VkDescriptorSetLayoutBinding.malloc.tap do |descr|
    descr.binding            = binding
    descr.descriptorType     = sym_to_descriptor_type(type)
    descr.descriptorCount    = count
    descr.stageFlags         = syms_to_shader_stage_flags(stages)
    descr.pImmutableSamplers = array_of_pointers(samplers)
  end
end

#build_layout_info ⇒ Object 



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# File 'lib/vulkan/descriptor_set_layout.rb', line 20

def build_layout_info
  VkDescriptorSetLayoutCreateInfo.malloc.tap do |layout|
    layout.sType        = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO
    layout.flags        = syms_to_descriptor_set_layout_type_flags(@types)
    layout.bindingCount = descriptors.size
    layout.pBindings    = array_of_structures(@descriptors)
  end
end