Class: Vulkan::CommandBuffer

Inherits:
Object
  • Object
show all
Extended by:
Checks, Conversions
Includes:
Checks, Conversions
Defined in:
lib/vulkan/command_buffer.rb

Constant Summary

Constants included from Conversions

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

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Checks

check_result

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(vk, handle, index = 0, &block) ⇒ CommandBuffer

Returns a new instance of CommandBuffer.



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# File 'lib/vulkan/command_buffer.rb', line 24

def initialize(vk, handle, index = 0, &block)
  @vk = vk
  @handle = handle
  @recording = false
  @scissors_p = {}
  record(index, &block) if block_given?
end

Class Method Details

.create(vk, command_pool, count: 1, level: :primary, usage: :simultaneous, &block) ⇒ Object 



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

def create(vk, command_pool, count: 1, level: :primary, usage: :simultaneous, &block)
  @usage = usage

  alloc_info = VkCommandBufferAllocateInfo.malloc
  alloc_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO
  alloc_info.commandPool = command_pool.to_ptr
  alloc_info.level = sym_to_command_buffer_level(level)
  alloc_info.commandBufferCount = count

  buffers = Vulkan.struct(["void *value[#{count}]"]).malloc
  check_result vk.vkAllocateCommandBuffers(vk.device, alloc_info, buffers)
  count.times.map { |i| new(vk, buffers.value[i], i, &block) }
end

Instance Method Details

#begin_render_pass(render_pass, framebuffer:, left: 0, top: 0, width: framebuffer.width, height: framebuffer.height, clear: nil, subpass_contents: :inline) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 227

def begin_render_pass(render_pass, framebuffer:,
                                   left: 0,
                                   top: 0,
                                   width: framebuffer.width,
                                   height: framebuffer.height,
                                   clear: nil,
                                   subpass_contents: :inline)
  attachments = render_pass.attachments
  @refs << render_pass
  @refs << framebuffer
  @clear_values = attachments.size.times.map { VkClearValue.malloc }
  attachments.each_with_index do |attachment, i|
    clear_i = clear && clear[i]
    if attachments[i].finalLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL ||
       attachments[i].finalLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL
      clear_i ||= [1, 0]
      @clear_values[i].depthStencil.depth   = clear_i[0]
      @clear_values[i].depthStencil.stencil = clear_i[1]
    else
      clear_i ||= [0, 0, 0, 1]
      # FIXME use attachment.format (one of VK_FORMAT_*) to determine which
      # accessor to use here
      @clear_values[i].color.float32 = clear_i
    end
  end
  @clear_values_p = array_of_structures(@clear_values)
  @render_pass_info = VkRenderPassBeginInfo.malloc
  @render_pass_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO
  @render_pass_info.renderPass = render_pass.to_ptr
  @render_pass_info.framebuffer = framebuffer.to_ptr
  @render_pass_info.renderArea.offset.x = left
  @render_pass_info.renderArea.offset.y = top
  @render_pass_info.renderArea.extent.width = width
  @render_pass_info.renderArea.extent.height = height
  @render_pass_info.clearValueCount = attachments.size
  @render_pass_info.pClearValues = @clear_values_p
  @vk.vkCmdBeginRenderPass(to_ptr, @render_pass_info, sym_to_subpass_contents(subpass_contents))
end

#bind_descriptor_set(bind_point, set, pipeline_layout:) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 357

def bind_descriptor_set(bind_point, set, pipeline_layout:)
  bind_descriptor_sets(bind_point, [set], pipeline_layout: pipeline_layout)
end

#bind_descriptor_sets(bind_point, sets, pipeline_layout:, set_count: sets.size, first_set: 0, dynamic_offsets: nil, dynamic_offset_count: dynamic_offsets ? dynamic_offsets.size : 0) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 341

def bind_descriptor_sets(bind_point, sets, pipeline_layout:,
                                           set_count: sets.size,
                                           first_set: 0,
                                           dynamic_offsets: nil,
                                           dynamic_offset_count: dynamic_offsets ? dynamic_offsets.size : 0)
  @refs << sets
  @vk.vkCmdBindDescriptorSets(to_ptr,
                              sym_to_pipeline_bind_point(bind_point),
                              pipeline_layout,
                              first_set,
                              set_count,
                              array_of_pointers(sets),
                              dynamic_offset_count,
                              dynamic_offsets);
end

#bind_index_buffer(index_buffer, offset: 0, type:) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 336

def bind_index_buffer(index_buffer, offset: 0, type:)
  @refs << index_buffer
  @vk.vkCmdBindIndexBuffer(to_ptr, index_buffer, offset, sym_to_index_type(type))
end

#bind_pipeline(binding_point, pipeline) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 270

def bind_pipeline(binding_point, pipeline)
  @refs << pipeline
  @vk.vkCmdBindPipeline(to_ptr, sym_to_pipeline_bind_point(binding_point), pipeline)
end

#bind_vertex_buffer(vertex_buffer, binding_index: 0, offset: 0) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 316

def bind_vertex_buffer(vertex_buffer, binding_index: 0, offset: 0)
  bind_vertex_buffers vertex_buffers: [vertex_buffer],
                      first_binding: binding_index,
                      offsets: [offset]
end

#bind_vertex_buffers(vertex_buffers:, offsets: nil, first_binding: 0, binding_count: vertex_buffers.size) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 322

def bind_vertex_buffers(vertex_buffers:,
                        offsets: nil,
                        first_binding: 0,
                        binding_count: vertex_buffers.size)
  offsets ||= vertex_buffers.map { 0 }
  @refs.concat vertex_buffers
  buffers_p = array_of_pointers(vertex_buffers)
  @bind_vertex_buffers_offsets_p ||= {}
  offsets_p = @bind_vertex_buffers_offsets_p[offsets.size] ||=
              Vulkan.struct("VkDeviceSize offsets[#{offsets.size}]").malloc
  offsets.each_with_index { |o, i| offsets_p.offsets[i] = o }
  @vk.vkCmdBindVertexBuffers(to_ptr, first_binding, binding_count, buffers_p, offsets_p)
end

#blit_image(src:, src_layout: :transfer_src_optimal, dst:, dst_layout: :transfer_dst_optimal, regions:, filter: :nearest) ⇒ Object

Blit from the image at ‘:src` into the image at `:dst`. `:regions` contains an array of hashes, which must correspond to this layout (values given are defaults used if the field is omitted):

{
  src: { # corresponds to struct VkImageSubresourceLayers
    aspect_mask: VK_IMAGE_ASPECT_FLAG_BITS_MAX_ENUM, # (everything)
    mip_level: (required),
    base_array_layer: 0,
    layer_count: 1,
    tl: { # corresponds to srcOffests[0], a struct VkOffset3D
      x: 0,
      y: 0,
      z: 0
    },
    br: { # corresponds to srcOffests[1], a struct VkOffset3D
      x: (required)
      y: (required)
      z: (required)
    }
  },
  dst: { # corresponds to struct VkImageSubresourceLayers
    aspect_mask: VK_IMAGE_ASPECT_FLAG_BITS_MAX_ENUM, # (everything)
    mip_level: (required),
    base_array_layer: 0,
    layer_count: 1,
    tl: { # corresponds to dstOffests[0], a struct VkOffset3D
      x: 0,
      y: 0,
      z: 0
    },
    br: { # corresponds to dstOffests[1], a struct VkOffset3D
      x: (required)
      y: (required)
      z: (required)
    }
  },
}



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# File 'lib/vulkan/command_buffer.rb', line 120

def blit_image(src:,
               src_layout: :transfer_src_optimal,
               dst:,
               dst_layout: :transfer_dst_optimal,
               regions:,
               filter: :nearest)
  blit_regions_p = Vulkan.struct("regions[#{regions.size}]" => VkImageBlit).malloc
  @refs << blit_regions_p
  regions.each_with_index do |region, i|
    blit_region = blit_regions_p.regions[i]
    blit_region.srcSubresource.aspectMask     = syms_to_image_aspect_flags(region[:src][:aspect_mask] || VK_IMAGE_ASPECT_FLAG_BITS_MAX_ENUM)
    blit_region.srcSubresource.mipLevel       = region[:src][:mip_level]
    blit_region.srcSubresource.baseArrayLayer = region[:src][:base_array_layer] || 0
    blit_region.srcSubresource.layerCount     = region[:src][:layer_count] || 1
    blit_region.dstSubresource.aspectMask     = syms_to_image_aspect_flags(region[:dst][:aspect_mask] || VK_IMAGE_ASPECT_FLAG_BITS_MAX_ENUM)
    blit_region.dstSubresource.mipLevel       = region[:dst][:mip_level]
    blit_region.dstSubresource.baseArrayLayer = region[:dst][:base_array_layer] || 0
    blit_region.dstSubresource.layerCount     = region[:dst][:layer_count] || 1
    tl = region[:src][:tl] || {}
    blit_region.srcOffsets[0].x = tl[:x] || 0
    blit_region.srcOffsets[0].y = tl[:y] || 0
    blit_region.srcOffsets[0].z = tl[:z] || 0
    blit_region.srcOffsets[1].x = region[:src][:br][:x] || raise(ArgumentError, "Need src :br offsets (x)")
    blit_region.srcOffsets[1].y = region[:src][:br][:y] || raise(ArgumentError, "Need src :br offsets (y)")
    blit_region.srcOffsets[1].z = region[:src][:br][:z] || raise(ArgumentError, "Need src :br offsets (z)")
    tl = region[:dst][:tl] || {}
    blit_region.dstOffsets[0].x = tl[:x] || 0
    blit_region.dstOffsets[0].y = tl[:y] || 0
    blit_region.dstOffsets[0].z = tl[:z] || 0
    blit_region.dstOffsets[1].x = region[:dst][:br][:x] || raise(ArgumentError, "Need dst :br offsets (x)")
    blit_region.dstOffsets[1].y = region[:dst][:br][:y] || raise(ArgumentError, "Need dst :br offsets (y)")
    blit_region.dstOffsets[1].z = region[:dst][:br][:z] || raise(ArgumentError, "Need dst :br offsets (z)")
  end

  @vk.vkCmdBlitImage(to_ptr,
                      src,
                      sym_to_image_layout(src_layout),
                      dst,
                      sym_to_image_layout(dst_layout),
                      regions.size,
                      blit_regions_p,
                      sym_to_filter(filter))
end

#build_buffer_image_copy_region(buffer_offset:, buffer_row_length:, buffer_image_height:, x:, y:, z:, width:, height:, depth:, aspects:, mip_level:, base_array_layer:, layer_count:) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 286

def build_buffer_image_copy_region(buffer_offset:,
                                   buffer_row_length:,
                                   buffer_image_height:,
                                   x:,
                                   y:,
                                   z:,
                                   width:,
                                   height:,
                                   depth:,
                                   aspects:,
                                   mip_level:,
                                   base_array_layer:,
                                   layer_count:)
  VkBufferImageCopy.malloc.tap do |region|
    region.bufferOffset                    = buffer_offset
    region.bufferRowLength                 = buffer_row_length
    region.bufferImageHeight               = buffer_image_height
    region.imageSubresource.aspectMask     = syms_to_image_aspect_flags(aspects)
    region.imageSubresource.mipLevel       = mip_level
    region.imageSubresource.baseArrayLayer = base_array_layer
    region.imageSubresource.layerCount     = layer_count
    region.imageOffset.x                   = x
    region.imageOffset.y                   = y
    region.imageOffset.z                   = z
    region.imageExtent.width               = width
    region.imageExtent.height              = height
    region.imageExtent.depth               = depth
  end
end

#copy_buffer(src, dst, regions: [{size: src.size}]) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 69

def copy_buffer(src, dst, regions: [{size: src.size}])
  @copy_buffer_copy_regions_p ||= {}
  copy_regions_p = @copy_buffer_copy_regions_p[regions.size] ||=
                   Vulkan.struct("regions[#{regions.size}]" => VkBufferCopy).malloc
  # @refs << copy_regions_p
  regions.each_with_index do |region, i|
    copy_regions_p.regions[i].srcOffset = region[:src_offset] if region[:src_offset]
    copy_regions_p.regions[i].dstOffset = region[:dst_offset] if region[:dst_offset]
    copy_regions_p.regions[i].size      = region[:size] || raise(ArgumentError, 'region[:size] is required')
  end
  @vk.vkCmdCopyBuffer(to_ptr, src, dst, regions.size, copy_regions_p)
end

#copy_buffer_to_image(buffer, image, regions, layout: :dst_optimal) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 275

def copy_buffer_to_image(buffer, image, regions, layout: :dst_optimal)
  regions = [regions].flatten
  regions_p = regions.map { |region| build_buffer_image_copy_region(**region) }
  @vk.vkCmdCopyBufferToImage to_ptr,
                             buffer.respond_to?(:to_ptr) ? buffer.to_ptr : buffer,
                             image.respond_to?(:to_ptr)  ? image.to_ptr  : image,
                             sym_to_image_layout(layout),
                             regions.size,
                             array_of_structures(regions_p)
end

#draw(vertex_count, instance_count, first_vertex_index, first_instance_index) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 361

def draw(vertex_count, instance_count, first_vertex_index, first_instance_index)
  @vk.vkCmdDraw(to_ptr, vertex_count, instance_count, first_vertex_index, first_instance_index)
end

#draw_indexed(index_count, instance_count, first_index, vertex_offset, first_instance) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 365

def draw_indexed(index_count, instance_count, first_index, vertex_offset, first_instance)
  @vk.vkCmdDrawIndexed(to_ptr, index_count, instance_count, first_index, vertex_offset, first_instance)
end

#end_render_pass ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 266

def end_render_pass
  @vk.vkCmdEndRenderPass(to_ptr)
end

#pipeline_barriers(memory_barriers: nil, buffer_barriers: nil, image_barriers: nil, src_stages:, dst_stages:, dependencies: 0) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 194

def pipeline_barriers(memory_barriers: nil,
                      buffer_barriers: nil,
                      image_barriers: nil,
                      src_stages: ,
                      dst_stages: ,
                      dependencies: 0)
  memory_barriers_p = array_of_structures(memory_barriers)
  buffer_barriers_p = array_of_structures(buffer_barriers)
  image_barriers_p  = array_of_structures(image_barriers)
  @vk.vkCmdPipelineBarrier to_ptr,
                           syms_to_pipeline_stage_flags(src_stages),
                           syms_to_pipeline_stage_flags(dst_stages),
                           syms_to_dependency_flags(dependencies),
                           memory_barriers&.size || 0,
                           memory_barriers_p,
                           buffer_barriers&.size || 0,
                           buffer_barriers_p,
                           image_barriers&.size || 0,
                           image_barriers_p
end

#pipeline_image_barrier(from_layout:, to_layout:, src_queue_family: :ignored, dst_queue_family: :ignored, image:, aspects:, base_mip_level:, level_count:, base_array_layer:, layer_count:, src_access:, dst_access:, **barrier_args) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 164

def pipeline_image_barrier(from_layout:,
                           to_layout:,
                           src_queue_family: :ignored,
                           dst_queue_family: :ignored,
                           image:,
                           aspects:,
                           base_mip_level:,
                           level_count:,
                           base_array_layer:,
                           layer_count:,
                           src_access:,
                           dst_access:,
                           **barrier_args)
  barrier = VkImageMemoryBarrier.malloc
  barrier.sType                           = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER
  barrier.oldLayout                       = sym_to_image_layout(from_layout)
  barrier.newLayout                       = sym_to_image_layout(to_layout)
  barrier.srcQueueFamilyIndex             = queue_family_to_index(src_queue_family)
  barrier.dstQueueFamilyIndex             = queue_family_to_index(dst_queue_family)
  barrier.image                           = image.to_ptr
  barrier.subresourceRange.aspectMask     = syms_to_image_aspect_flags(aspects)
  barrier.subresourceRange.baseMipLevel   = base_mip_level
  barrier.subresourceRange.levelCount     = level_count
  barrier.subresourceRange.baseArrayLayer = base_array_layer
  barrier.subresourceRange.layerCount     = layer_count
  barrier.srcAccessMask                   = syms_to_access_mask(src_access)
  barrier.dstAccessMask                   = syms_to_access_mask(dst_access)
  pipeline_barriers(image_barriers: [barrier], **barrier_args)
end

#record(user_arg = nil) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 32

def record(user_arg = nil)
  start_recording
  yield self, user_arg
ensure
  stop_recording
end

#recording? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vulkan/command_buffer.rb', line 51

def recording?
  @recording
end

#render_pass(render_pass, **args) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 62

def render_pass(render_pass, **args)
  begin_render_pass(render_pass, **args)
  yield self if block_given?
ensure
  end_render_pass
end

#set_scissor(scissors, first: 0) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 215

def set_scissor(scissors, first: 0)
  scissors_p = @scissors_p[scissors.size] ||=
               Vulkan.struct("scissors[#{scissors.size}]" => VkRect2D).malloc
  scissors.each_with_index do |scissor, i|
    scissors_p.scissors[i].offset.x      = scissor[:left]
    scissors_p.scissors[i].offset.y      = scissor[:top]
    scissors_p.scissors[i].extent.width  = scissor[:width]
    scissors_p.scissors[i].extent.height = scissor[:height]
  end
  @vk.vkCmdSetScissor(to_ptr, first, scissors.size, scissors_p)
end

#start_recording ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 39

def start_recording
  @begin_info = VkCommandBufferBeginInfo.malloc
  @begin_info.sType            = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO
  @begin_info.flags            = sym_to_command_buffer_usage(@usage)
  @begin_info.pInheritanceInfo = nil
  check_result @vk.vkBeginCommandBuffer(to_ptr, @begin_info)
  @recording = true

  # references we don't want to let go of, in case of garbage collection
  @refs = []
end

#stop_recording ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 55

def stop_recording
  if recording?
    check_result @vk.vkEndCommandBuffer(to_ptr)
    @recording = false
  end
end

#to_ptr ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 380

def to_ptr
  @handle
end

#viewport(x, y, width, height, min_depth = 0, max_depth = 1) ⇒ Object 



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# File 'lib/vulkan/command_buffer.rb', line 369

def viewport(x, y, width, height, min_depth = 0, max_depth = 1)
  vp = VkViewport.malloc
  vp.x = x
  vp.y = y
  vp.width = width
  vp.height = height
  vp.minDepth = min_depth
  vp.maxDepth = max_depth
  @vk.vkCmdSetViewport(to_ptr, 0, 1, vp)
end