def free(self): _, api, device = self.ctx for alloc in self.allocations: hvk.free_memory(api, device, alloc.device_memory) del self.engine
def setup_swapchain_depth_stencil(recreate=False): global depth_format, depth_stencil, depth_alloc, depth_view if recreate: hvk.destroy_image_view(api, device, depth_view) hvk.destroy_image(api, device, depth_stencil) hvk.free_memory(api, device, depth_alloc) width, height = window.dimensions() # Depth stencil attachment setup depth_format = None depth_formats = (vk.FORMAT_D32_SFLOAT_S8_UINT, vk.FORMAT_D24_UNORM_S8_UINT, vk.FORMAT_D16_UNORM_S8_UINT) for fmt in depth_formats: prop = hvk.physical_device_format_properties(api, physical_device, fmt) if IntFlag(vk.FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) in IntFlag( prop.optimal_tiling_features): depth_format = fmt break if depth_format is None: raise RuntimeError("Failed to find a suitable depth stencil format.") # Depth stencil image creation depth_stencil = hvk.create_image( api, device, hvk.image_create_info(format=depth_format, extent=vk.Extent3D(width=width, height=height, depth=1), usage=vk.IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | vk.IMAGE_USAGE_TRANSFER_SRC_BIT)) # Depth stencil image memory image_memreq = hvk.image_memory_requirements(api, device, depth_stencil) mt_index = find_memory_type(vk.MEMORY_HEAP_DEVICE_LOCAL_BIT, vk.MEMORY_PROPERTY_DEVICE_LOCAL_BIT) depth_stencil_size = image_memreq.size * 2 depth_alloc = hvk.allocate_memory( api, device, hvk.memory_allocate_info(allocation_size=depth_stencil_size, memory_type_index=mt_index)) hvk.bind_image_memory(api, device, depth_stencil, depth_alloc) # Depth stencil image view depth_view = hvk.create_image_view( api, device, hvk.image_view_create_info( image=depth_stencil, format=depth_format, subresource_range=hvk.image_subresource_range( aspect_mask=vk.IMAGE_ASPECT_DEPTH_BIT | vk.IMAGE_ASPECT_STENCIL_BIT)))
def clean_resources(): window.hide() hvk.device_wait_idle(api, device) hvk.destroy_fence(api, device, staging_fence) hvk.destroy_command_pool(api, device, staging_pool) hvk.destroy_command_pool(api, device, drawing_pool) hvk.destroy_buffer(api, device, mesh_buffer) hvk.free_memory(api, device, mesh_memory) hvk.destroy_sampler(api, device, texture_sampler) hvk.destroy_image_view(api, device, texture_view) hvk.destroy_image(api, device, texture_image) hvk.free_memory(api, device, texture_image_memory) hvk.destroy_descriptor_pool(api, device, descriptor_pool) hvk.destroy_buffer(api, device, uniforms_buffer) hvk.free_memory(api, device, uniforms_mem) hvk.destroy_pipeline(api, device, pipeline) hvk.destroy_pipeline_cache(api, device, pipeline_cache) hvk.destroy_pipeline_layout(api, device, pipeline_layout) for m in shader_modules: hvk.destroy_shader_module(api, device, m) hvk.destroy_descriptor_set_layout(api, device, descriptor_set_layout) for fb in framebuffers: hvk.destroy_framebuffer(api, device, fb) hvk.destroy_render_pass(api, device, render_pass) hvk.destroy_semaphore(api, device, image_ready) hvk.destroy_semaphore(api, device, rendering_done) for f in render_fences: hvk.destroy_fence(api, device, f) hvk.destroy_image(api, device, depth_stencil) hvk.destroy_image_view(api, device, depth_view) hvk.free_memory(api, device, depth_alloc) for v in swapchain_image_views: hvk.destroy_image_view(api, device, v) hvk.destroy_swapchain(api, device, swapchain) hvk.destroy_device(api, device) hvk.destroy_surface(api, instance, surface) debugger.stop() hvk.destroy_instance(api, instance) window.destroy()
def mesh_to_device(): global mesh_buffer, mesh_memory, staging_mesh_buffer, staging_mesh_memory, mesh_data # Create mesh resources mesh_buffer = hvk.create_buffer( api, device, hvk.buffer_create_info(size=total_mesh_size, usage=vk.BUFFER_USAGE_TRANSFER_DST_BIT | vk.BUFFER_USAGE_INDEX_BUFFER_BIT | vk.BUFFER_USAGE_VERTEX_BUFFER_BIT)) mesh_req = hvk.buffer_memory_requirements(api, device, mesh_buffer) mt_index = find_memory_type(vk.MEMORY_HEAP_DEVICE_LOCAL_BIT, vk.MEMORY_PROPERTY_DEVICE_LOCAL_BIT) mesh_memory = hvk.allocate_memory( api, device, hvk.memory_allocate_info(allocation_size=mesh_req.size, memory_type_index=mt_index)) hvk.bind_buffer_memory(api, device, mesh_buffer, mesh_memory, 0) # Upload mesh to device memory (recording) hvk.begin_command_buffer(api, staging_cmd, hvk.command_buffer_begin_info()) region = vk.BufferCopy(src_offset=0, dst_offset=0, size=mesh_req.size) hvk.copy_buffer(api, staging_cmd, staging_mesh_buffer, mesh_buffer, (region, )) hvk.end_command_buffer(api, staging_cmd) # Upload mesh to device memory (submiting) submit_info = hvk.submit_info(command_buffers=(staging_cmd, )) hvk.queue_submit(api, render_queue.handle, (submit_info, ), fence=staging_fence) hvk.wait_for_fences(api, device, (staging_fence, )) # Free staging resources hvk.destroy_buffer(api, device, staging_mesh_buffer) hvk.free_memory(api, device, staging_mesh_memory) del mesh_data, staging_mesh_buffer, staging_mesh_memory
def texture_to_device(): global texture_image, texture_image_memory, texture_image_layout, texture_view, texture_sampler global texture, staging_texture_buffer, staging_texture_memory # Create the vulkan image texture_image_layout = vk.IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL texture_image = hvk.create_image( api, device, hvk.image_create_info( format=texture.format, mip_levels=len(texture.mipmaps), extent=vk.Extent3D(texture.width, texture.height, texture.depth), usage=vk.IMAGE_USAGE_TRANSFER_DST_BIT | vk.IMAGE_USAGE_SAMPLED_BIT, )) img_req = hvk.image_memory_requirements(api, device, texture_image) mt_index = find_memory_type(vk.MEMORY_HEAP_DEVICE_LOCAL_BIT, vk.MEMORY_HEAP_DEVICE_LOCAL_BIT) texture_image_memory = hvk.allocate_memory( api, device, hvk.memory_allocate_info(allocation_size=img_req.size, memory_type_index=mt_index)) hvk.bind_image_memory(api, device, texture_image, texture_image_memory, 0) # Build the copy regions (1 for each mipmap) regions = [] for i, m in enumerate(texture.mipmaps): region = hvk.buffer_image_copy( image_subresource=hvk.image_subresource_layers(mip_level=i), image_extent=vk.Extent3D(m.width, m.height, 1), buffer_offset=m.offset) regions.append(region) # Build the image barrier for the image layout transitions barrier = hvk.image_memory_barrier( image=texture_image, new_layout=0, dst_access_mask=0, subresource_range=hvk.image_subresource_range( level_count=len(texture.mipmaps))) # Transfer the staging data to device hvk.begin_command_buffer(api, staging_cmd, hvk.command_buffer_begin_info()) barrier.new_layout = vk.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL barrier.dst_access_mask = vk.ACCESS_TRANSFER_WRITE_BIT hvk.pipeline_barrier(api, staging_cmd, (barrier, ), dst_stage_mask=vk.PIPELINE_STAGE_TRANSFER_BIT) hvk.copy_buffer_to_image(api, staging_cmd, staging_texture_buffer, texture_image, vk.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, regions) barrier.old_layout = vk.IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL barrier.new_layout = vk.IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL barrier.src_access_mask = vk.ACCESS_TRANSFER_WRITE_BIT barrier.dst_access_mask = vk.ACCESS_SHADER_READ_BIT hvk.pipeline_barrier(api, staging_cmd, (barrier, ), dst_stage_mask=vk.PIPELINE_STAGE_FRAGMENT_SHADER_BIT) hvk.end_command_buffer(api, staging_cmd) # Submit the staging command buffer hvk.reset_fences(api, device, (staging_fence, )) submit_info = hvk.submit_info(command_buffers=(staging_cmd, )) hvk.queue_submit(api, render_queue.handle, (submit_info, ), fence=staging_fence) hvk.wait_for_fences(api, device, (staging_fence, )) # Create the image view and the sampler texture_view = hvk.create_image_view( api, device, hvk.image_view_create_info( image=texture_image, format=texture.format, subresource_range=hvk.image_subresource_range( level_count=len(texture.mipmaps)))) texture_sampler = hvk.create_sampler( api, device, hvk.sampler_create_info( mag_filter=vk.FILTER_LINEAR, min_filter=vk.FILTER_LINEAR, max_lod=len(texture.mipmaps), )) # Free staging resources hvk.destroy_buffer(api, device, staging_texture_buffer) hvk.free_memory(api, device, staging_texture_memory) del texture, staging_texture_buffer, staging_texture_memory
def free_alloc(self, alloc): _, api, device = self.ctx hvk.free_memory(api, device, alloc.device_memory) self.allocations.remove(alloc)