930 lines
43 KiB
C++
930 lines
43 KiB
C++
/* Copyright (c) 2022-2025, Holochip
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 the "License";
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Debug Utils labeling
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* Note that you need to run this example inside a debugging tool like RenderDoc to see those labels
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*/
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#include "portability.h"
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#include "scene_graph/components/sub_mesh.h"
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Portability::Portability() :
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pipelines(),
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pipeline_layouts(),
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descriptor_sets(),
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descriptor_set_layouts(),
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offscreen(),
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filter_pass()
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{
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title = "Portability";
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// Portability is a Vulkan 1.3 extension
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set_api_version(VK_API_VERSION_1_3);
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add_instance_extension(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME);
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add_instance_extension(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME, /*optional*/ true);
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}
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Portability::~Portability()
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{
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if (has_device())
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{
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vkDestroyPipeline(get_device().get_handle(), pipelines.skysphere, nullptr);
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vkDestroyPipeline(get_device().get_handle(), pipelines.sphere, nullptr);
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vkDestroyPipeline(get_device().get_handle(), pipelines.composition, nullptr);
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vkDestroyPipeline(get_device().get_handle(), pipelines.bloom[0], nullptr);
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vkDestroyPipeline(get_device().get_handle(), pipelines.bloom[1], nullptr);
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vkDestroyPipelineLayout(get_device().get_handle(), pipeline_layouts.models, nullptr);
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vkDestroyPipelineLayout(get_device().get_handle(), pipeline_layouts.composition, nullptr);
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vkDestroyPipelineLayout(get_device().get_handle(), pipeline_layouts.bloom_filter, nullptr);
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vkDestroyDescriptorSetLayout(get_device().get_handle(), descriptor_set_layouts.models, nullptr);
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vkDestroyDescriptorSetLayout(get_device().get_handle(), descriptor_set_layouts.composition, nullptr);
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vkDestroyDescriptorSetLayout(get_device().get_handle(), descriptor_set_layouts.bloom_filter, nullptr);
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vkDestroyRenderPass(get_device().get_handle(), offscreen.render_pass, nullptr);
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vkDestroyRenderPass(get_device().get_handle(), filter_pass.render_pass, nullptr);
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vkDestroyFramebuffer(get_device().get_handle(), offscreen.framebuffer, nullptr);
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vkDestroyFramebuffer(get_device().get_handle(), filter_pass.framebuffer, nullptr);
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vkDestroySampler(get_device().get_handle(), offscreen.sampler, nullptr);
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vkDestroySampler(get_device().get_handle(), filter_pass.sampler, nullptr);
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offscreen.depth.destroy(get_device().get_handle());
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offscreen.color[0].destroy(get_device().get_handle());
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offscreen.color[1].destroy(get_device().get_handle());
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filter_pass.color[0].destroy(get_device().get_handle());
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vkDestroySampler(get_device().get_handle(), textures.skysphere.sampler, nullptr);
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}
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}
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void Portability::request_gpu_features(vkb::PhysicalDevice &gpu)
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{
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// Enable anisotropic filtering if supported
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if (gpu.get_features().samplerAnisotropy)
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{
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gpu.get_mutable_requested_features().samplerAnisotropy = VK_TRUE;
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}
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}
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void Portability::build_command_buffers()
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{
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VkCommandBufferBeginInfo command_buffer_begin_info = vkb::initializers::command_buffer_begin_info();
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for (int32_t i = 0; i < draw_cmd_buffers.size(); ++i)
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{
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VK_CHECK(vkBeginCommandBuffer(draw_cmd_buffers[i], &command_buffer_begin_info));
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{
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/*
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First pass: Render scene to offscreen framebuffer
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*/
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std::array<VkClearValue, 3> clear_values{};
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clear_values[0].color = {{0.0f, 0.0f, 0.0f, 0.0f}};
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clear_values[1].color = {{0.0f, 0.0f, 0.0f, 0.0f}};
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clear_values[2].depthStencil = {0.0f, 0};
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VkRenderPassBeginInfo render_pass_begin_info = vkb::initializers::render_pass_begin_info();
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render_pass_begin_info.renderPass = offscreen.render_pass;
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render_pass_begin_info.framebuffer = offscreen.framebuffer;
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render_pass_begin_info.renderArea.extent.width = offscreen.width;
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render_pass_begin_info.renderArea.extent.height = offscreen.height;
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render_pass_begin_info.clearValueCount = 3;
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render_pass_begin_info.pClearValues = clear_values.data();
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vkCmdBeginRenderPass(draw_cmd_buffers[i], &render_pass_begin_info, VK_SUBPASS_CONTENTS_INLINE);
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VkViewport viewport = vkb::initializers::viewport(static_cast<float>(offscreen.width), static_cast<float>(offscreen.height), 0.0f, 1.0f);
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vkCmdSetViewport(draw_cmd_buffers[i], 0, 1, &viewport);
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VkRect2D scissor = vkb::initializers::rect2D(offscreen.width, offscreen.height, 0, 0);
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vkCmdSetScissor(draw_cmd_buffers[i], 0, 1, &scissor);
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if (display_skysphere)
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{
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vkCmdBindPipeline(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.skysphere);
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push_const_block.object_type = 0;
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vkCmdPushConstants(draw_cmd_buffers[i], pipeline_layouts.models, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(push_const_block), &push_const_block);
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vkCmdBindDescriptorSets(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layouts.models, 0, 1, &descriptor_sets.skysphere, 0, nullptr);
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draw_model(models.skysphere, draw_cmd_buffers[i]);
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}
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// Spheres
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vkCmdBindPipeline(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.sphere);
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vkCmdBindDescriptorSets(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layouts.models, 0, 1, &descriptor_sets.sphere, 0, nullptr);
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std::vector<glm::vec3> mesh_colors = {
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glm::vec3(1.0f, 0.0f, 0.0f),
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glm::vec3(0.0f, 1.0f, 0.0f),
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glm::vec3(0.0f, 0.0f, 1.0f),
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};
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std::vector<glm::vec3> mesh_offsets = {
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glm::vec3(-2.5f, 0.0f, 0.0f),
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glm::vec3(0.0f, 0.0f, 0.0f),
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glm::vec3(2.5f, 0.0f, 0.0f),
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};
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for (uint32_t j = 0; j < 3; j++)
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{
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push_const_block.object_type = 1;
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push_const_block.offset = glm::vec4(mesh_offsets[j], 0.0f);
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push_const_block.color = glm::vec4(mesh_colors[j], 0.0f);
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vkCmdPushConstants(draw_cmd_buffers[i], pipeline_layouts.models, VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 0, sizeof(push_const_block), &push_const_block);
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draw_model(models.scene, draw_cmd_buffers[i]);
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}
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vkCmdEndRenderPass(draw_cmd_buffers[i]);
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}
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/*
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Second render pass: First bloom pass
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*/
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if (bloom)
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{
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VkClearValue clear_values[2];
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clear_values[0].color = {{0.0f, 0.0f, 0.0f, 0.0f}};
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clear_values[1].depthStencil = {0.0f, 0};
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// Bloom filter
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VkRenderPassBeginInfo render_pass_begin_info = vkb::initializers::render_pass_begin_info();
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render_pass_begin_info.framebuffer = filter_pass.framebuffer;
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render_pass_begin_info.renderPass = filter_pass.render_pass;
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render_pass_begin_info.clearValueCount = 1;
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render_pass_begin_info.renderArea.extent.width = filter_pass.width;
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render_pass_begin_info.renderArea.extent.height = filter_pass.height;
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render_pass_begin_info.pClearValues = clear_values;
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vkCmdBeginRenderPass(draw_cmd_buffers[i], &render_pass_begin_info, VK_SUBPASS_CONTENTS_INLINE);
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VkViewport viewport = vkb::initializers::viewport(static_cast<float>(filter_pass.width), static_cast<float>(filter_pass.height), 0.0f, 1.0f);
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vkCmdSetViewport(draw_cmd_buffers[i], 0, 1, &viewport);
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VkRect2D scissor = vkb::initializers::rect2D(filter_pass.width, filter_pass.height, 0, 0);
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vkCmdSetScissor(draw_cmd_buffers[i], 0, 1, &scissor);
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vkCmdBindDescriptorSets(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layouts.bloom_filter, 0, 1, &descriptor_sets.bloom_filter, 0, nullptr);
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vkCmdBindPipeline(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.bloom[1]);
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vkCmdDraw(draw_cmd_buffers[i], 3, 1, 0, 0);
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vkCmdEndRenderPass(draw_cmd_buffers[i]);
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}
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/*
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Note: Synchronization between render passes is handled via sub pass dependencies.
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*/
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/*
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Third render pass: Scene rendering with applied second bloom pass (when enabled)
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*/
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{
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VkClearValue clear_values[2];
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clear_values[0].color = {{0.0f, 0.0f, 0.0f, 0.0f}};
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clear_values[1].depthStencil = {0.0f, 0};
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// Final composition
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VkRenderPassBeginInfo render_pass_begin_info = vkb::initializers::render_pass_begin_info();
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render_pass_begin_info.framebuffer = framebuffers[i];
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render_pass_begin_info.renderPass = render_pass;
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render_pass_begin_info.clearValueCount = 2;
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render_pass_begin_info.renderArea.extent.width = width;
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render_pass_begin_info.renderArea.extent.height = height;
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render_pass_begin_info.pClearValues = clear_values;
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vkCmdBeginRenderPass(draw_cmd_buffers[i], &render_pass_begin_info, VK_SUBPASS_CONTENTS_INLINE);
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VkViewport viewport = vkb::initializers::viewport(static_cast<float>(width), static_cast<float>(height), 0.0f, 1.0f);
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vkCmdSetViewport(draw_cmd_buffers[i], 0, 1, &viewport);
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VkRect2D scissor = vkb::initializers::rect2D(static_cast<int32_t>(width), static_cast<int32_t>(height), 0, 0);
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vkCmdSetScissor(draw_cmd_buffers[i], 0, 1, &scissor);
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vkCmdBindDescriptorSets(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layouts.composition, 0, 1, &descriptor_sets.composition, 0, nullptr);
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vkCmdBindPipeline(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.composition);
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vkCmdDraw(draw_cmd_buffers[i], 3, 1, 0, 0);
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// Bloom
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if (bloom)
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{
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vkCmdBindPipeline(draw_cmd_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.bloom[0]);
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vkCmdDraw(draw_cmd_buffers[i], 3, 1, 0, 0);
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}
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draw_ui(draw_cmd_buffers[i]);
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vkCmdEndRenderPass(draw_cmd_buffers[i]);
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}
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VK_CHECK(vkEndCommandBuffer(draw_cmd_buffers[i]));
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}
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}
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void Portability::create_attachment(VkFormat format, VkImageUsageFlagBits usage, FrameBufferAttachment *attachment)
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{
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VkImageAspectFlags aspect_mask = 0;
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attachment->format = format;
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if (usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT)
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{
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aspect_mask = VK_IMAGE_ASPECT_COLOR_BIT;
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}
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if (usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT)
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{
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aspect_mask = VK_IMAGE_ASPECT_DEPTH_BIT;
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// Stencil aspect should only be set on depth + stencil formats (VK_FORMAT_D16_UNORM_S8_UINT..VK_FORMAT_D32_SFLOAT_S8_UINT
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if (format >= VK_FORMAT_D16_UNORM_S8_UINT)
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{
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aspect_mask |= VK_IMAGE_ASPECT_STENCIL_BIT;
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}
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}
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assert(aspect_mask > 0);
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VkImageCreateInfo image = vkb::initializers::image_create_info();
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image.imageType = VK_IMAGE_TYPE_2D;
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image.format = format;
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image.extent.width = offscreen.width;
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image.extent.height = offscreen.height;
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image.extent.depth = 1;
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image.mipLevels = 1;
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image.arrayLayers = 1;
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image.samples = VK_SAMPLE_COUNT_1_BIT;
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image.tiling = VK_IMAGE_TILING_OPTIMAL;
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image.usage = usage | VK_IMAGE_USAGE_SAMPLED_BIT;
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VkMemoryAllocateInfo memory_allocate_info = vkb::initializers::memory_allocate_info();
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VkMemoryRequirements memory_requirements;
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VK_CHECK(vkCreateImage(get_device().get_handle(), &image, nullptr, &attachment->image));
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vkGetImageMemoryRequirements(get_device().get_handle(), attachment->image, &memory_requirements);
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memory_allocate_info.allocationSize = memory_requirements.size;
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memory_allocate_info.memoryTypeIndex = get_device().get_gpu().get_memory_type(memory_requirements.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
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VK_CHECK(vkAllocateMemory(get_device().get_handle(), &memory_allocate_info, nullptr, &attachment->mem));
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VK_CHECK(vkBindImageMemory(get_device().get_handle(), attachment->image, attachment->mem, 0));
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VkImageViewCreateInfo image_view_create_info = vkb::initializers::image_view_create_info();
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image_view_create_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
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image_view_create_info.format = format;
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image_view_create_info.subresourceRange = {};
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image_view_create_info.subresourceRange.aspectMask = aspect_mask;
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image_view_create_info.subresourceRange.baseMipLevel = 0;
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image_view_create_info.subresourceRange.levelCount = 1;
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image_view_create_info.subresourceRange.baseArrayLayer = 0;
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image_view_create_info.subresourceRange.layerCount = 1;
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image_view_create_info.image = attachment->image;
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VK_CHECK(vkCreateImageView(get_device().get_handle(), &image_view_create_info, nullptr, &attachment->view));
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}
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// Prepare a new framebuffer and attachments for offscreen rendering (G-Buffer)
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void Portability::prepare_offscreen_buffer()
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{
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{
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offscreen.width = static_cast<int32_t>(width);
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offscreen.height = static_cast<int32_t>(height);
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// Color attachments (in linear colorspace)
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create_attachment(VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, &offscreen.color[0]);
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create_attachment(VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, &offscreen.color[1]);
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// Depth attachment
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create_attachment(depth_format, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, &offscreen.depth);
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// Set up separate render-pass with references to the color and depth attachments
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std::array<VkAttachmentDescription, 3> attachment_descriptions = {};
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// Init attachment properties
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for (uint32_t i = 0; i < 3; ++i)
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{
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attachment_descriptions[i].samples = VK_SAMPLE_COUNT_1_BIT;
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attachment_descriptions[i].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
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attachment_descriptions[i].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
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attachment_descriptions[i].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
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attachment_descriptions[i].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
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if (i == 2)
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{
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attachment_descriptions[i].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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attachment_descriptions[i].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
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}
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else
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{
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attachment_descriptions[i].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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attachment_descriptions[i].finalLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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}
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}
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// Formats
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attachment_descriptions[0].format = offscreen.color[0].format;
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attachment_descriptions[1].format = offscreen.color[1].format;
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attachment_descriptions[2].format = offscreen.depth.format;
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std::vector<VkAttachmentReference> color_references;
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color_references.push_back({0, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL});
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color_references.push_back({1, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL});
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VkAttachmentReference depth_reference = {};
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depth_reference.attachment = 2;
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depth_reference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
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VkSubpassDescription subpass = {};
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subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
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subpass.pColorAttachments = color_references.data();
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subpass.colorAttachmentCount = 2;
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subpass.pDepthStencilAttachment = &depth_reference;
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// Use subpass dependencies for attachment layout transitions
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std::array<VkSubpassDependency, 2> dependencies{};
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dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL;
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dependencies[0].dstSubpass = 0;
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dependencies[0].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
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dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
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dependencies[0].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT;
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dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
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dependencies[1].srcSubpass = 0;
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dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL;
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dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
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dependencies[1].dstStageMask = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
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dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
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dependencies[1].dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
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VkRenderPassCreateInfo render_pass_create_info = {};
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render_pass_create_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
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render_pass_create_info.pAttachments = attachment_descriptions.data();
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render_pass_create_info.attachmentCount = static_cast<uint32_t>(attachment_descriptions.size());
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render_pass_create_info.subpassCount = 1;
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render_pass_create_info.pSubpasses = &subpass;
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render_pass_create_info.dependencyCount = 2;
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render_pass_create_info.pDependencies = dependencies.data();
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VK_CHECK(vkCreateRenderPass(get_device().get_handle(), &render_pass_create_info, nullptr, &offscreen.render_pass));
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std::array<VkImageView, 3> attachments{};
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attachments[0] = offscreen.color[0].view;
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attachments[1] = offscreen.color[1].view;
|
|
attachments[2] = offscreen.depth.view;
|
|
|
|
VkFramebufferCreateInfo framebuffer_create_info = {};
|
|
framebuffer_create_info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
|
|
framebuffer_create_info.pNext = nullptr;
|
|
framebuffer_create_info.renderPass = offscreen.render_pass;
|
|
framebuffer_create_info.pAttachments = attachments.data();
|
|
framebuffer_create_info.attachmentCount = static_cast<uint32_t>(attachments.size());
|
|
framebuffer_create_info.width = offscreen.width;
|
|
framebuffer_create_info.height = offscreen.height;
|
|
framebuffer_create_info.layers = 1;
|
|
VK_CHECK(vkCreateFramebuffer(get_device().get_handle(), &framebuffer_create_info, nullptr, &offscreen.framebuffer));
|
|
|
|
// Create sampler to sample from the color attachments
|
|
VkSamplerCreateInfo sampler = vkb::initializers::sampler_create_info();
|
|
sampler.magFilter = VK_FILTER_NEAREST;
|
|
sampler.minFilter = VK_FILTER_NEAREST;
|
|
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
|
|
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
|
|
sampler.addressModeV = sampler.addressModeU;
|
|
sampler.addressModeW = sampler.addressModeU;
|
|
sampler.mipLodBias = 0.0f;
|
|
sampler.maxAnisotropy = 1.0f;
|
|
sampler.minLod = 0.0f;
|
|
sampler.maxLod = 1.0f;
|
|
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
|
|
VK_CHECK(vkCreateSampler(get_device().get_handle(), &sampler, nullptr, &offscreen.sampler));
|
|
}
|
|
|
|
// Bloom separable filter pass
|
|
{
|
|
filter_pass.width = static_cast<int32_t>(width);
|
|
filter_pass.height = static_cast<int32_t>(height);
|
|
|
|
// Color attachments
|
|
|
|
// Two color buffers
|
|
create_attachment(VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, &filter_pass.color[0]);
|
|
|
|
// Set up separate render-pass with references to the color and depth attachments
|
|
std::array<VkAttachmentDescription, 1> attachment_descriptions = {};
|
|
|
|
// Init attachment properties
|
|
attachment_descriptions[0].samples = VK_SAMPLE_COUNT_1_BIT;
|
|
attachment_descriptions[0].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
|
attachment_descriptions[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
|
attachment_descriptions[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
|
attachment_descriptions[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
|
attachment_descriptions[0].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
|
attachment_descriptions[0].finalLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
|
|
attachment_descriptions[0].format = filter_pass.color[0].format;
|
|
|
|
std::vector<VkAttachmentReference> color_references;
|
|
color_references.push_back({0, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL});
|
|
|
|
VkSubpassDescription subpass = {};
|
|
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
|
|
subpass.pColorAttachments = color_references.data();
|
|
subpass.colorAttachmentCount = 1;
|
|
|
|
// Use sub-pass dependencies for attachment layout transitions
|
|
std::array<VkSubpassDependency, 2> dependencies{};
|
|
|
|
dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL;
|
|
dependencies[0].dstSubpass = 0;
|
|
dependencies[0].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
|
dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
|
dependencies[0].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT;
|
|
dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
|
|
|
dependencies[1].srcSubpass = 0;
|
|
dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL;
|
|
dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
|
dependencies[1].dstStageMask = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
|
|
dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
|
dependencies[1].dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
|
|
|
|
VkRenderPassCreateInfo render_pass_create_info = {};
|
|
render_pass_create_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
|
|
render_pass_create_info.pAttachments = attachment_descriptions.data();
|
|
render_pass_create_info.attachmentCount = static_cast<uint32_t>(attachment_descriptions.size());
|
|
render_pass_create_info.subpassCount = 1;
|
|
render_pass_create_info.pSubpasses = &subpass;
|
|
render_pass_create_info.dependencyCount = 2;
|
|
render_pass_create_info.pDependencies = dependencies.data();
|
|
|
|
VK_CHECK(vkCreateRenderPass(get_device().get_handle(), &render_pass_create_info, nullptr, &filter_pass.render_pass));
|
|
|
|
std::array<VkImageView, 1> attachments{};
|
|
attachments[0] = filter_pass.color[0].view;
|
|
|
|
VkFramebufferCreateInfo framebuffer_create_info = {};
|
|
framebuffer_create_info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
|
|
framebuffer_create_info.pNext = nullptr;
|
|
framebuffer_create_info.renderPass = filter_pass.render_pass;
|
|
framebuffer_create_info.pAttachments = attachments.data();
|
|
framebuffer_create_info.attachmentCount = static_cast<uint32_t>(attachments.size());
|
|
framebuffer_create_info.width = filter_pass.width;
|
|
framebuffer_create_info.height = filter_pass.height;
|
|
framebuffer_create_info.layers = 1;
|
|
VK_CHECK(vkCreateFramebuffer(get_device().get_handle(), &framebuffer_create_info, nullptr, &filter_pass.framebuffer));
|
|
|
|
// Create sampler to sample from the color attachments
|
|
VkSamplerCreateInfo sampler = vkb::initializers::sampler_create_info();
|
|
sampler.magFilter = VK_FILTER_NEAREST;
|
|
sampler.minFilter = VK_FILTER_NEAREST;
|
|
sampler.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
|
|
sampler.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
|
|
sampler.addressModeV = sampler.addressModeU;
|
|
sampler.addressModeW = sampler.addressModeU;
|
|
sampler.mipLodBias = 0.0f;
|
|
sampler.maxAnisotropy = 1.0f;
|
|
sampler.minLod = 0.0f;
|
|
sampler.maxLod = 1.0f;
|
|
sampler.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
|
|
VK_CHECK(vkCreateSampler(get_device().get_handle(), &sampler, nullptr, &filter_pass.sampler));
|
|
}
|
|
}
|
|
|
|
void Portability::load_assets()
|
|
{
|
|
models.skysphere = load_model("scenes/geosphere.gltf");
|
|
textures.skysphere = load_texture("textures/skysphere_rgba.ktx", vkb::sg::Image::Color);
|
|
models.scene = load_model("scenes/geosphere.gltf");
|
|
}
|
|
|
|
void Portability::setup_descriptor_pool()
|
|
{
|
|
std::vector<VkDescriptorPoolSize> pool_sizes = {
|
|
vkb::initializers::descriptor_pool_size(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 4),
|
|
vkb::initializers::descriptor_pool_size(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 6)};
|
|
uint32_t num_descriptor_sets = 4;
|
|
VkDescriptorPoolCreateInfo descriptor_pool_create_info =
|
|
vkb::initializers::descriptor_pool_create_info(static_cast<uint32_t>(pool_sizes.size()), pool_sizes.data(), num_descriptor_sets);
|
|
VK_CHECK(vkCreateDescriptorPool(get_device().get_handle(), &descriptor_pool_create_info, nullptr, &descriptor_pool));
|
|
}
|
|
|
|
void Portability::setup_descriptor_set_layout()
|
|
{
|
|
// Object rendering (into offscreen buffer)
|
|
std::vector<VkDescriptorSetLayoutBinding> set_layout_bindings = {
|
|
vkb::initializers::descriptor_set_layout_binding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0),
|
|
vkb::initializers::descriptor_set_layout_binding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 1),
|
|
vkb::initializers::descriptor_set_layout_binding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_FRAGMENT_BIT, 2),
|
|
};
|
|
|
|
VkDescriptorSetLayoutCreateInfo descriptor_layout_create_info =
|
|
vkb::initializers::descriptor_set_layout_create_info(set_layout_bindings.data(), static_cast<uint32_t>(set_layout_bindings.size()));
|
|
|
|
VK_CHECK(vkCreateDescriptorSetLayout(get_device().get_handle(), &descriptor_layout_create_info, nullptr, &descriptor_set_layouts.models));
|
|
|
|
VkPipelineLayoutCreateInfo pipeline_layout_create_info =
|
|
vkb::initializers::pipeline_layout_create_info(
|
|
&descriptor_set_layouts.models,
|
|
1);
|
|
|
|
// Pass object offset and color via push constant
|
|
VkPushConstantRange push_constant_range = vkb::initializers::push_constant_range(VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, sizeof(push_const_block), 0);
|
|
pipeline_layout_create_info.pushConstantRangeCount = 1;
|
|
pipeline_layout_create_info.pPushConstantRanges = &push_constant_range;
|
|
|
|
VK_CHECK(vkCreatePipelineLayout(get_device().get_handle(), &pipeline_layout_create_info, nullptr, &pipeline_layouts.models));
|
|
|
|
// Bloom filter
|
|
set_layout_bindings = {
|
|
vkb::initializers::descriptor_set_layout_binding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 0),
|
|
vkb::initializers::descriptor_set_layout_binding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 1),
|
|
};
|
|
|
|
descriptor_layout_create_info = vkb::initializers::descriptor_set_layout_create_info(set_layout_bindings.data(), static_cast<uint32_t>(set_layout_bindings.size()));
|
|
VK_CHECK(vkCreateDescriptorSetLayout(get_device().get_handle(), &descriptor_layout_create_info, nullptr, &descriptor_set_layouts.bloom_filter));
|
|
|
|
pipeline_layout_create_info = vkb::initializers::pipeline_layout_create_info(&descriptor_set_layouts.bloom_filter, 1);
|
|
VK_CHECK(vkCreatePipelineLayout(get_device().get_handle(), &pipeline_layout_create_info, nullptr, &pipeline_layouts.bloom_filter));
|
|
|
|
// G-Buffer composition
|
|
set_layout_bindings = {
|
|
vkb::initializers::descriptor_set_layout_binding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 0),
|
|
vkb::initializers::descriptor_set_layout_binding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT, 1),
|
|
};
|
|
|
|
descriptor_layout_create_info = vkb::initializers::descriptor_set_layout_create_info(set_layout_bindings.data(), static_cast<uint32_t>(set_layout_bindings.size()));
|
|
VK_CHECK(vkCreateDescriptorSetLayout(get_device().get_handle(), &descriptor_layout_create_info, nullptr, &descriptor_set_layouts.composition));
|
|
|
|
pipeline_layout_create_info = vkb::initializers::pipeline_layout_create_info(&descriptor_set_layouts.composition, 1);
|
|
VK_CHECK(vkCreatePipelineLayout(get_device().get_handle(), &pipeline_layout_create_info, nullptr, &pipeline_layouts.composition));
|
|
}
|
|
|
|
void Portability::setup_descriptor_sets()
|
|
{
|
|
VkDescriptorSetAllocateInfo alloc_info =
|
|
vkb::initializers::descriptor_set_allocate_info(
|
|
descriptor_pool,
|
|
&descriptor_set_layouts.models,
|
|
1);
|
|
|
|
// Sphere model object descriptor set
|
|
VK_CHECK(vkAllocateDescriptorSets(get_device().get_handle(), &alloc_info, &descriptor_sets.sphere));
|
|
|
|
VkDescriptorBufferInfo matrix_buffer_descriptor = create_descriptor(*uniform_buffers.matrices);
|
|
VkDescriptorImageInfo environment_image_descriptor = create_descriptor(textures.skysphere);
|
|
std::vector<VkWriteDescriptorSet> write_descriptor_sets = {
|
|
vkb::initializers::write_descriptor_set(descriptor_sets.sphere, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &matrix_buffer_descriptor),
|
|
vkb::initializers::write_descriptor_set(descriptor_sets.sphere, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, &environment_image_descriptor),
|
|
};
|
|
vkUpdateDescriptorSets(get_device().get_handle(), static_cast<uint32_t>(write_descriptor_sets.size()), write_descriptor_sets.data(), 0, nullptr);
|
|
|
|
// Sky sphere descriptor set
|
|
VK_CHECK(vkAllocateDescriptorSets(get_device().get_handle(), &alloc_info, &descriptor_sets.skysphere));
|
|
|
|
matrix_buffer_descriptor = create_descriptor(*uniform_buffers.matrices);
|
|
environment_image_descriptor = create_descriptor(textures.skysphere);
|
|
write_descriptor_sets = {
|
|
vkb::initializers::write_descriptor_set(descriptor_sets.skysphere, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &matrix_buffer_descriptor),
|
|
vkb::initializers::write_descriptor_set(descriptor_sets.skysphere, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, &environment_image_descriptor),
|
|
};
|
|
vkUpdateDescriptorSets(get_device().get_handle(), static_cast<uint32_t>(write_descriptor_sets.size()), write_descriptor_sets.data(), 0, nullptr);
|
|
|
|
// Bloom filter
|
|
alloc_info = vkb::initializers::descriptor_set_allocate_info(descriptor_pool, &descriptor_set_layouts.bloom_filter, 1);
|
|
VK_CHECK(vkAllocateDescriptorSets(get_device().get_handle(), &alloc_info, &descriptor_sets.bloom_filter));
|
|
|
|
std::vector<VkDescriptorImageInfo> color_descriptors = {
|
|
vkb::initializers::descriptor_image_info(offscreen.sampler, offscreen.color[0].view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL),
|
|
vkb::initializers::descriptor_image_info(offscreen.sampler, offscreen.color[1].view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL),
|
|
};
|
|
|
|
write_descriptor_sets = {
|
|
vkb::initializers::write_descriptor_set(descriptor_sets.bloom_filter, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 0, &color_descriptors[0]),
|
|
vkb::initializers::write_descriptor_set(descriptor_sets.bloom_filter, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, &color_descriptors[1]),
|
|
};
|
|
vkUpdateDescriptorSets(get_device().get_handle(), static_cast<uint32_t>(write_descriptor_sets.size()), write_descriptor_sets.data(), 0, nullptr);
|
|
|
|
// Composition descriptor set
|
|
alloc_info = vkb::initializers::descriptor_set_allocate_info(descriptor_pool, &descriptor_set_layouts.composition, 1);
|
|
VK_CHECK(vkAllocateDescriptorSets(get_device().get_handle(), &alloc_info, &descriptor_sets.composition));
|
|
|
|
color_descriptors = {
|
|
vkb::initializers::descriptor_image_info(offscreen.sampler, offscreen.color[0].view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL),
|
|
vkb::initializers::descriptor_image_info(offscreen.sampler, filter_pass.color[0].view, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL),
|
|
};
|
|
|
|
write_descriptor_sets = {
|
|
vkb::initializers::write_descriptor_set(descriptor_sets.composition, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 0, &color_descriptors[0]),
|
|
vkb::initializers::write_descriptor_set(descriptor_sets.composition, VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1, &color_descriptors[1]),
|
|
};
|
|
vkUpdateDescriptorSets(get_device().get_handle(), static_cast<uint32_t>(write_descriptor_sets.size()), write_descriptor_sets.data(), 0, nullptr);
|
|
}
|
|
|
|
void Portability::prepare_pipelines()
|
|
{
|
|
VkPipelineInputAssemblyStateCreateInfo input_assembly_state =
|
|
vkb::initializers::pipeline_input_assembly_state_create_info(
|
|
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
|
|
0,
|
|
VK_FALSE);
|
|
|
|
VkPipelineRasterizationStateCreateInfo rasterization_state =
|
|
vkb::initializers::pipeline_rasterization_state_create_info(
|
|
VK_POLYGON_MODE_FILL,
|
|
VK_CULL_MODE_BACK_BIT,
|
|
VK_FRONT_FACE_COUNTER_CLOCKWISE,
|
|
0);
|
|
|
|
VkPipelineColorBlendAttachmentState blend_attachment_state =
|
|
vkb::initializers::pipeline_color_blend_attachment_state(
|
|
0xf,
|
|
VK_FALSE);
|
|
|
|
VkPipelineColorBlendStateCreateInfo color_blend_state =
|
|
vkb::initializers::pipeline_color_blend_state_create_info(
|
|
1,
|
|
&blend_attachment_state);
|
|
|
|
// Note: Using reversed depth-buffer for increased precision, so Greater depth values are kept
|
|
VkPipelineDepthStencilStateCreateInfo depth_stencil_state =
|
|
vkb::initializers::pipeline_depth_stencil_state_create_info(
|
|
VK_FALSE,
|
|
VK_FALSE,
|
|
VK_COMPARE_OP_GREATER);
|
|
|
|
VkPipelineViewportStateCreateInfo viewport_state =
|
|
vkb::initializers::pipeline_viewport_state_create_info(1, 1, 0);
|
|
|
|
VkPipelineMultisampleStateCreateInfo multisample_state =
|
|
vkb::initializers::pipeline_multisample_state_create_info(
|
|
VK_SAMPLE_COUNT_1_BIT,
|
|
0);
|
|
|
|
std::vector<VkDynamicState> dynamic_state_enables = {
|
|
VK_DYNAMIC_STATE_VIEWPORT,
|
|
VK_DYNAMIC_STATE_SCISSOR};
|
|
VkPipelineDynamicStateCreateInfo dynamic_state =
|
|
vkb::initializers::pipeline_dynamic_state_create_info(
|
|
dynamic_state_enables.data(),
|
|
static_cast<uint32_t>(dynamic_state_enables.size()),
|
|
0);
|
|
|
|
VkGraphicsPipelineCreateInfo pipeline_create_info =
|
|
vkb::initializers::pipeline_create_info(
|
|
pipeline_layouts.models,
|
|
render_pass,
|
|
0);
|
|
|
|
std::vector<VkPipelineColorBlendAttachmentState> blend_attachment_states = {
|
|
vkb::initializers::pipeline_color_blend_attachment_state(0xf, VK_FALSE),
|
|
vkb::initializers::pipeline_color_blend_attachment_state(0xf, VK_FALSE),
|
|
};
|
|
|
|
pipeline_create_info.pInputAssemblyState = &input_assembly_state;
|
|
pipeline_create_info.pRasterizationState = &rasterization_state;
|
|
pipeline_create_info.pColorBlendState = &color_blend_state;
|
|
pipeline_create_info.pMultisampleState = &multisample_state;
|
|
pipeline_create_info.pViewportState = &viewport_state;
|
|
pipeline_create_info.pDepthStencilState = &depth_stencil_state;
|
|
pipeline_create_info.pDynamicState = &dynamic_state;
|
|
|
|
std::array<VkPipelineShaderStageCreateInfo, 2> shader_stages{};
|
|
pipeline_create_info.stageCount = static_cast<uint32_t>(shader_stages.size());
|
|
pipeline_create_info.pStages = shader_stages.data();
|
|
|
|
// Full screen pipelines
|
|
|
|
// Empty vertex input state, full screen triangles are generated by the vertex shader
|
|
VkPipelineVertexInputStateCreateInfo empty_input_state = vkb::initializers::pipeline_vertex_input_state_create_info();
|
|
pipeline_create_info.pVertexInputState = &empty_input_state;
|
|
|
|
// Final fullscreen composition pass pipeline
|
|
shader_stages[0] = load_shader("debug_utils", "composition.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
|
shader_stages[1] = load_shader("debug_utils", "composition.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
|
pipeline_create_info.layout = pipeline_layouts.composition;
|
|
pipeline_create_info.renderPass = render_pass;
|
|
rasterization_state.cullMode = VK_CULL_MODE_FRONT_BIT;
|
|
color_blend_state.attachmentCount = 1;
|
|
color_blend_state.pAttachments = blend_attachment_states.data();
|
|
VK_CHECK(vkCreateGraphicsPipelines(get_device().get_handle(), pipeline_cache, 1, &pipeline_create_info, nullptr, &pipelines.composition));
|
|
|
|
// Bloom pass
|
|
shader_stages[0] = load_shader("debug_utils", "bloom.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
|
shader_stages[1] = load_shader("debug_utils", "bloom.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
|
color_blend_state.pAttachments = &blend_attachment_state;
|
|
blend_attachment_state.colorWriteMask = 0xF;
|
|
blend_attachment_state.blendEnable = VK_TRUE;
|
|
blend_attachment_state.colorBlendOp = VK_BLEND_OP_ADD;
|
|
blend_attachment_state.srcColorBlendFactor = VK_BLEND_FACTOR_ONE;
|
|
blend_attachment_state.dstColorBlendFactor = VK_BLEND_FACTOR_ONE;
|
|
blend_attachment_state.alphaBlendOp = VK_BLEND_OP_ADD;
|
|
blend_attachment_state.srcAlphaBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
|
|
blend_attachment_state.dstAlphaBlendFactor = VK_BLEND_FACTOR_DST_ALPHA;
|
|
|
|
// Set constant parameters via specialization constants
|
|
VkSpecializationInfo specialization_info;
|
|
std::array<VkSpecializationMapEntry, 1> specialization_map_entries{};
|
|
specialization_map_entries[0] = vkb::initializers::specialization_map_entry(0, 0, sizeof(uint32_t));
|
|
uint32_t dir = 1;
|
|
specialization_info = vkb::initializers::specialization_info(1, specialization_map_entries.data(), sizeof(dir), &dir);
|
|
shader_stages[1].pSpecializationInfo = &specialization_info;
|
|
|
|
VK_CHECK(vkCreateGraphicsPipelines(get_device().get_handle(), pipeline_cache, 1, &pipeline_create_info, nullptr, &pipelines.bloom[0]));
|
|
|
|
// Second blur pass (into separate framebuffer)
|
|
pipeline_create_info.renderPass = filter_pass.render_pass;
|
|
dir = 0;
|
|
VK_CHECK(vkCreateGraphicsPipelines(get_device().get_handle(), pipeline_cache, 1, &pipeline_create_info, nullptr, &pipelines.bloom[1]));
|
|
shader_stages[1].pSpecializationInfo = nullptr;
|
|
|
|
// Object rendering pipelines
|
|
rasterization_state.cullMode = VK_CULL_MODE_BACK_BIT;
|
|
|
|
// Vertex bindings an attributes for model rendering
|
|
// Binding description
|
|
std::vector<VkVertexInputBindingDescription> vertex_input_bindings = {
|
|
vkb::initializers::vertex_input_binding_description(0, sizeof(Vertex), VK_VERTEX_INPUT_RATE_VERTEX),
|
|
};
|
|
|
|
// Attribute descriptions
|
|
std::vector<VkVertexInputAttributeDescription> vertex_input_attributes = {
|
|
vkb::initializers::vertex_input_attribute_description(0, 0, VK_FORMAT_R32G32B32_SFLOAT, 0), // Position
|
|
vkb::initializers::vertex_input_attribute_description(0, 1, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 3), // Normal
|
|
vkb::initializers::vertex_input_attribute_description(0, 2, VK_FORMAT_R32G32_SFLOAT, sizeof(float) * 6), // UV
|
|
};
|
|
|
|
VkPipelineVertexInputStateCreateInfo vertex_input_state = vkb::initializers::pipeline_vertex_input_state_create_info();
|
|
vertex_input_state.vertexBindingDescriptionCount = static_cast<uint32_t>(vertex_input_bindings.size());
|
|
vertex_input_state.pVertexBindingDescriptions = vertex_input_bindings.data();
|
|
vertex_input_state.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertex_input_attributes.size());
|
|
vertex_input_state.pVertexAttributeDescriptions = vertex_input_attributes.data();
|
|
|
|
pipeline_create_info.pVertexInputState = &vertex_input_state;
|
|
|
|
// skysphere pipeline (background cube)
|
|
blend_attachment_state.blendEnable = VK_FALSE;
|
|
pipeline_create_info.layout = pipeline_layouts.models;
|
|
pipeline_create_info.renderPass = offscreen.render_pass;
|
|
color_blend_state.attachmentCount = 2;
|
|
color_blend_state.pAttachments = blend_attachment_states.data();
|
|
|
|
shader_stages[0] = load_shader("debug_utils", "gbuffer.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
|
shader_stages[1] = load_shader("debug_utils", "gbuffer.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
|
VK_CHECK(vkCreateGraphicsPipelines(get_device().get_handle(), pipeline_cache, 1, &pipeline_create_info, nullptr, &pipelines.skysphere));
|
|
|
|
// Enable depth test and write
|
|
depth_stencil_state.depthWriteEnable = VK_TRUE;
|
|
depth_stencil_state.depthTestEnable = VK_TRUE;
|
|
// Flip cull mode
|
|
rasterization_state.cullMode = VK_CULL_MODE_FRONT_BIT;
|
|
VK_CHECK(vkCreateGraphicsPipelines(get_device().get_handle(), pipeline_cache, 1, &pipeline_create_info, nullptr, &pipelines.sphere));
|
|
}
|
|
|
|
// Prepare and initialize uniform buffer containing shader uniforms
|
|
void Portability::prepare_uniform_buffers()
|
|
{
|
|
// Matrices vertex shader uniform buffer
|
|
uniform_buffers.matrices = std::make_unique<vkb::core::BufferC>(get_device(),
|
|
sizeof(ubo_vs),
|
|
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
|
|
VMA_MEMORY_USAGE_CPU_TO_GPU);
|
|
|
|
update_uniform_buffers();
|
|
}
|
|
|
|
void Portability::update_uniform_buffers()
|
|
{
|
|
ubo_vs.projection = camera.matrices.perspective;
|
|
ubo_vs.modelview = camera.matrices.view * glm::mat4(1.0f);
|
|
ubo_vs.skysphere_modelview = camera.matrices.view;
|
|
uniform_buffers.matrices->convert_and_update(ubo_vs);
|
|
}
|
|
|
|
void Portability::draw()
|
|
{
|
|
ApiVulkanSample::prepare_frame();
|
|
submit_info.commandBufferCount = 1;
|
|
submit_info.pCommandBuffers = &draw_cmd_buffers[current_buffer];
|
|
VK_CHECK(vkQueueSubmit(queue, 1, &submit_info, VK_NULL_HANDLE));
|
|
ApiVulkanSample::submit_frame();
|
|
}
|
|
|
|
bool Portability::prepare(const vkb::ApplicationOptions &options)
|
|
{
|
|
if (!ApiVulkanSample::prepare(options))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
camera.type = vkb::CameraType::LookAt;
|
|
camera.set_position(glm::vec3(0.0f, 0.0f, -6.0f));
|
|
camera.set_rotation(glm::vec3(0.0f, 180.0f, 0.0f));
|
|
|
|
// Note: Using reversed depth-buffer for increased precision, so Znear and Zfar are flipped
|
|
camera.set_perspective(60.0f, static_cast<float>(width) / static_cast<float>(height), 256.0f, 0.1f);
|
|
|
|
#ifdef VKB_ENABLE_PORTABILITY
|
|
portability_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PORTABILITY_SUBSET_FEATURES_KHR;
|
|
VkPhysicalDeviceFeatures2 device_features{};
|
|
device_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
|
|
device_features.pNext = &portability_features;
|
|
vkGetPhysicalDeviceFeatures2(get_device().get_gpu().get_handle(), &device_features);
|
|
#endif
|
|
|
|
load_assets();
|
|
prepare_uniform_buffers();
|
|
prepare_offscreen_buffer();
|
|
setup_descriptor_set_layout();
|
|
prepare_pipelines();
|
|
setup_descriptor_pool();
|
|
setup_descriptor_sets();
|
|
build_command_buffers();
|
|
prepared = true;
|
|
return true;
|
|
}
|
|
|
|
void Portability::render(float delta_time)
|
|
{
|
|
if (!prepared)
|
|
{
|
|
return;
|
|
}
|
|
draw();
|
|
if (camera.updated)
|
|
{
|
|
update_uniform_buffers();
|
|
}
|
|
}
|
|
|
|
void Portability::on_update_ui_overlay(vkb::Drawer &drawer)
|
|
{
|
|
#ifdef VKB_ENABLE_PORTABILITY
|
|
std::string portability_support_list;
|
|
if (portability_features.constantAlphaColorBlendFactors)
|
|
portability_support_list += "constantAlphaColorBlendFactors\n";
|
|
if (portability_features.events)
|
|
portability_support_list += "events\n";
|
|
if (portability_features.imageView2DOn3DImage)
|
|
portability_support_list += "imageView2DOn3dImage\n";
|
|
if (portability_features.imageViewFormatReinterpretation)
|
|
portability_support_list += "imageViewFormatReinterpretation\n";
|
|
if (portability_features.imageViewFormatSwizzle)
|
|
portability_support_list += "imageViewFormatSwizzle\n";
|
|
if (portability_features.multisampleArrayImage)
|
|
portability_support_list += "multisampleArrayImage\n";
|
|
if (portability_features.mutableComparisonSamplers)
|
|
portability_support_list += "mutableComparisonSamplers\n";
|
|
if (portability_features.pointPolygons)
|
|
portability_support_list += "pointPolygons\n";
|
|
if (portability_features.samplerMipLodBias)
|
|
portability_support_list += "samplerMipLodBias\n";
|
|
if (portability_features.separateStencilMaskRef)
|
|
portability_support_list += "separateStencilMaskRef\n";
|
|
if (portability_features.shaderSampleRateInterpolationFunctions)
|
|
portability_support_list += "shaderSampleRateInterpolationFunctions\n";
|
|
if (portability_features.tessellationIsolines)
|
|
portability_support_list += "tessellationIsolines\n";
|
|
if (portability_features.tessellationPointMode)
|
|
portability_support_list += "tessellationPointMode\n";
|
|
if (portability_features.triangleFans)
|
|
portability_support_list += "triangleFans\n";
|
|
if (portability_features.vertexAttributeAccessBeyondStride)
|
|
portability_support_list += "vertexAttributeAccessBeyondStride\n";
|
|
drawer.text("Device Portability feature support list:\n%s", portability_support_list.c_str());
|
|
#else
|
|
drawer.text("VKB_ENABLE_PORTABILITY not enabled can't list portability feature set");
|
|
#endif
|
|
if (drawer.header("Settings"))
|
|
{
|
|
if (drawer.checkbox("Bloom", &bloom))
|
|
{
|
|
rebuild_command_buffers();
|
|
}
|
|
if (drawer.checkbox("skysphere", &display_skysphere))
|
|
{
|
|
rebuild_command_buffers();
|
|
}
|
|
}
|
|
}
|
|
|
|
bool Portability::resize(const uint32_t width, const uint32_t height)
|
|
{
|
|
ApiVulkanSample::resize(width, height);
|
|
update_uniform_buffers();
|
|
return true;
|
|
}
|
|
|
|
std::unique_ptr<vkb::Application> create_portability()
|
|
{
|
|
return std::make_unique<Portability>();
|
|
}
|