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2e7451ca5e
Also changes hardcoded binding indices into variables to make following the code easier e.g. when adding new UBOs.
151 lines
3 KiB
C
151 lines
3 KiB
C
// Copyright 2019, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Distortion shader code header.
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* @author Lubosz Sarnecki <lubosz.sarnecki@collabora.com>
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @ingroup comp_main
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*/
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#pragma once
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#include "main/comp_settings.h"
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#include "main/comp_compositor.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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*
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* Structs
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*
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*/
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/*!
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* Helper buffer for a single uniform buffer.
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*
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* @ingroup comp_main
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*/
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struct comp_uniform_buffer
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{
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VkDevice device;
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VkBuffer buffer;
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VkDeviceMemory memory;
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VkDescriptorBufferInfo descriptor;
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VkDeviceSize size;
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VkDeviceSize alignment;
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void *mapped;
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VkBufferUsageFlags usageFlags;
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VkMemoryPropertyFlags memoryPropertyFlags;
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};
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/*!
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* Helper struct that encapsulate a distortion rendering code.
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*
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* @ingroup comp_main
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*/
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struct comp_distortion
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{
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// Holds all of the needed common Vulkan things.
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struct vk_bundle *vk;
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struct comp_uniform_buffer vbo_handle;
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struct comp_uniform_buffer index_handle;
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struct comp_uniform_buffer ubo_viewport_handles[2];
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uint32_t ubo_viewport_binding;
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enum xrt_distortion_model distortion_model;
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struct
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{
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float *vertices;
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int *indices;
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size_t stride;
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size_t num_vertices;
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size_t num_indices[2];
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size_t offset_indices[2];
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size_t total_num_indices;
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} mesh;
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struct
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{
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struct xrt_matrix_2x2 rot;
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int viewport_id;
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bool flip_y;
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} ubo_vp_data[2];
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VkPipelineLayout pipeline_layout;
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VkPipeline pipeline;
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VkDescriptorSetLayout descriptor_set_layout;
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VkDescriptorSet descriptor_sets[2];
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uint32_t render_texture_target_binding;
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bool quirk_draw_lines;
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};
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/*
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*
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* Functions.
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*
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*/
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/*!
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* Init a distortion, pass in the distortion so it can be embedded in a struct.
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*
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* @ingroup comp_main
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*/
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void
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comp_distortion_init(struct comp_distortion *d,
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struct comp_compositor *c,
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VkRenderPass render_pass,
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VkPipelineCache pipeline_cache,
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enum xrt_distortion_model distortion_model,
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struct xrt_hmd_parts *parts,
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VkDescriptorPool descriptor_pool);
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/*!
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* Free and destroy all fields, does not free the destortion itself.
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*
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* @ingroup comp_main
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*/
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void
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comp_distortion_destroy(struct comp_distortion *d);
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/*!
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* Update the descriptor set to a new image.
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*
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* @ingroup comp_main
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*/
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void
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comp_distortion_update_descriptor_set(struct comp_distortion *d,
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VkSampler sampler,
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VkImageView view,
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uint32_t eye,
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bool flip_y);
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/*!
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* Submit draw commands to the given command_buffer.
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*
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* @ingroup comp_main
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*/
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void
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comp_distortion_draw_quad(struct comp_distortion *d,
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VkCommandBuffer command_buffer,
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int eye);
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void
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comp_distortion_draw_mesh(struct comp_distortion *d,
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VkCommandBuffer command_buffer,
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int eye);
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#ifdef __cplusplus
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}
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#endif
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