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			80 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Spa */
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/* SPDX-FileCopyrightText: Copyright © 2019 Wim Taymans */
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/* SPDX-License-Identifier: MIT */
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#include <vulkan/vulkan.h>
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#include <spa/buffer/buffer.h>
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#include <spa/param/video/format.h>
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#include <spa/node/node.h>
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#include "vulkan-utils.h"
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#define MAX_STREAMS 2
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#define WORKGROUP_SIZE 32
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struct pixel {
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	float r, g, b, a;
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};
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struct push_constants {
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       float time;
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       int frame;
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       int width;
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       int height;
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};
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struct vulkan_compute_state {
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	struct spa_log *log;
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	struct push_constants constants;
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	struct vulkan_base base;
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	VkPipeline pipeline;
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	VkPipelineLayout pipelineLayout;
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	const char *shaderName;
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	VkShaderModule computeShaderModule;
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	VkCommandPool commandPool;
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	VkCommandBuffer commandBuffer;
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	VkFence fence;
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	VkSemaphore pipelineSemaphore;
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	unsigned int initialized:1;
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	unsigned int prepared:1;
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	unsigned int started:1;
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	VkDescriptorPool descriptorPool;
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	VkDescriptorSetLayout descriptorSetLayout;
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	VkSampler sampler;
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	uint32_t n_streams;
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	VkDescriptorSet descriptorSet;
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	struct vulkan_stream streams[MAX_STREAMS];
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};
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int spa_vulkan_init_stream(struct vulkan_compute_state *s, struct vulkan_stream *stream, enum spa_direction,
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		struct spa_dict *props);
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int spa_vulkan_fixate_modifier(struct vulkan_compute_state *s, struct vulkan_stream *p, struct spa_video_info_dsp *dsp_info,
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		uint32_t modifierCount, uint64_t *modifiers, uint64_t *modifier);
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int spa_vulkan_prepare(struct vulkan_compute_state *s);
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int spa_vulkan_use_buffers(struct vulkan_compute_state *s, struct vulkan_stream *stream, uint32_t flags,
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		struct spa_video_info_dsp *dsp_info, uint32_t n_buffers, struct spa_buffer **buffers);
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int spa_vulkan_unprepare(struct vulkan_compute_state *s);
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int spa_vulkan_start(struct vulkan_compute_state *s);
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int spa_vulkan_stop(struct vulkan_compute_state *s);
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int spa_vulkan_ready(struct vulkan_compute_state *s);
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int spa_vulkan_process(struct vulkan_compute_state *s);
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int spa_vulkan_cleanup(struct vulkan_compute_state *s);
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int spa_vulkan_get_buffer_caps(struct vulkan_compute_state *s, enum spa_direction direction);
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struct vulkan_modifier_info *spa_vulkan_get_modifier_info(struct vulkan_compute_state *s,
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		struct spa_video_info_dsp *dsp_info);
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int spa_vulkan_init(struct vulkan_compute_state *s);
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void spa_vulkan_deinit(struct vulkan_compute_state *s);
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