Class: Vulkan::DescriptorSet::DescriptorWrite

Inherits:
Object
  • Object
show all
Includes:
Conversions
Defined in:
lib/vulkan/descriptor_set.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 Method Summary collapse

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

Constructor Details

#initialize(owner, layout) ⇒ DescriptorWrite

Returns a new instance of DescriptorWrite.



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# File 'lib/vulkan/descriptor_set.rb', line 9

def initialize(owner, layout)
  @changed = false
  @writer = VkWriteDescriptorSet.malloc
  @writer.sType            = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET
  @writer.dstSet           = owner.to_ptr
  @writer.dstBinding       = layout.binding
  @writer.dstArrayElement  = 0
  @writer.descriptorType   = layout.descriptorType
  @writer.descriptorCount  = layout.descriptorCount
  @writer.pBufferInfo      = nil
  @writer.pImageInfo       = nil
  @writer.pTexelBufferView = nil
end

Instance Method Details

#changed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vulkan/descriptor_set.rb', line 49

def changed?
  @changed
end

#set_buffer(buffer, offset: 0, range: buffer.size, array_element: 0) ⇒ Object 



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# File 'lib/vulkan/descriptor_set.rb', line 23

def set_buffer(buffer, offset: 0, range: buffer.size, array_element: 0)
  @changed = true
  @info = VkDescriptorBufferInfo.malloc
  @info.buffer        = buffer.to_ptr
  @info.offset        = offset
  @info.range         = range
  @writer.pImageInfo  = @writer.pTexelBufferView = nil
  @writer.pBufferInfo = @info
  @writer.dstArrayElement = array_element
end

#set_image_view_and_sampler(image_view, sampler, layout: :shader_read_only_optimal, array_element: 0) ⇒ Object 



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# File 'lib/vulkan/descriptor_set.rb', line 34

def set_image_view_and_sampler(image_view, sampler, layout: :shader_read_only_optimal, array_element: 0)
  @changed = true
  @info = VkDescriptorImageInfo.malloc
  @info.imageLayout   = sym_to_image_layout(layout)
  @info.imageView     = image_view.to_ptr
  @info.sampler       = sampler.to_ptr
  @writer.pBufferInfo = @writer.pTexelBufferView = nil
  @writer.pImageInfo  = @info
  @writer.dstArrayElement = array_element
end

#to_ptr ⇒ Object 



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# File 'lib/vulkan/descriptor_set.rb', line 45

def to_ptr
  @writer.to_ptr
end