mirror of
https://github.com/RPCSX/rpcsx.git
synced 2026-01-29 03:44:42 +01:00
0f7af391d7
formats - Allows D24S8 and D32S8 transport via typeless channels - Allows uploading and downloading D24S8 data easily - TODO: Implement optional byteswapping to fix flushed readbacks with the same method
531 lines
14 KiB
C++
531 lines
14 KiB
C++
#pragma once
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#include "VKHelpers.h"
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#define VK_MAX_COMPUTE_TASKS 1024 // Max number of jobs per frame
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namespace vk
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{
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struct compute_task
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{
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std::string m_src;
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vk::glsl::shader m_shader;
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std::unique_ptr<vk::glsl::program> m_program;
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std::unique_ptr<vk::buffer> m_param_buffer;
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vk::descriptor_pool m_descriptor_pool;
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VkDescriptorSet m_descriptor_set = nullptr;
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VkDescriptorSetLayout m_descriptor_layout = nullptr;
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VkPipelineLayout m_pipeline_layout = nullptr;
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u32 m_used_descriptors = 0;
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bool initialized = false;
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bool unroll_loops = true;
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bool uniform_inputs = false;
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u32 optimal_group_size = 1;
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u32 optimal_kernel_size = 1;
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void init_descriptors()
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{
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VkDescriptorPoolSize descriptor_pool_sizes[2] =
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{
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{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, VK_MAX_COMPUTE_TASKS },
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{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_MAX_COMPUTE_TASKS }
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};
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//Reserve descriptor pools
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m_descriptor_pool.create(*get_current_renderer(), descriptor_pool_sizes, 1);
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std::vector<VkDescriptorSetLayoutBinding> bindings(2);
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bindings[0].descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
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bindings[0].descriptorCount = 1;
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bindings[0].stageFlags = VK_SHADER_STAGE_COMPUTE_BIT;
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bindings[0].binding = 0;
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bindings[0].pImmutableSamplers = nullptr;
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bindings[1].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
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bindings[1].descriptorCount = 1;
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bindings[1].stageFlags = VK_SHADER_STAGE_COMPUTE_BIT;
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bindings[1].binding = 1;
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bindings[1].pImmutableSamplers = nullptr;
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VkDescriptorSetLayoutCreateInfo infos = {};
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infos.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
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infos.pBindings = bindings.data();
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infos.bindingCount = uniform_inputs? 2u : 1u;
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CHECK_RESULT(vkCreateDescriptorSetLayout(*get_current_renderer(), &infos, nullptr, &m_descriptor_layout));
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VkPipelineLayoutCreateInfo layout_info = {};
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layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
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layout_info.setLayoutCount = 1;
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layout_info.pSetLayouts = &m_descriptor_layout;
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CHECK_RESULT(vkCreatePipelineLayout(*get_current_renderer(), &layout_info, nullptr, &m_pipeline_layout));
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}
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void create()
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{
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if (!initialized)
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{
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init_descriptors();
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switch (vk::get_driver_vendor())
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{
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case vk::driver_vendor::unknown:
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// Probably intel
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case vk::driver_vendor::NVIDIA:
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unroll_loops = true;
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optimal_group_size = 32;
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optimal_kernel_size = 16;
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break;
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case vk::driver_vendor::AMD:
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case vk::driver_vendor::RADV:
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unroll_loops = false;
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optimal_kernel_size = 1;
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optimal_group_size = 64;
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break;
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}
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initialized = true;
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}
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}
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void destroy()
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{
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if (initialized)
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{
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m_shader.destroy();
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m_program.reset();
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m_param_buffer.reset();
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vkDestroyDescriptorSetLayout(*get_current_renderer(), m_descriptor_layout, nullptr);
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vkDestroyPipelineLayout(*get_current_renderer(), m_pipeline_layout, nullptr);
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m_descriptor_pool.destroy();
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initialized = false;
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}
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}
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void free_resources()
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{
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if (m_used_descriptors == 0)
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return;
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vkResetDescriptorPool(*get_current_renderer(), m_descriptor_pool, 0);
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m_used_descriptors = 0;
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}
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virtual void bind_resources()
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{}
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void load_program(VkCommandBuffer cmd)
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{
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if (!m_program)
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{
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m_shader.create(::glsl::program_domain::glsl_compute_program, m_src);
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auto handle = m_shader.compile();
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VkPipelineShaderStageCreateInfo shader_stage{};
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shader_stage.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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shader_stage.stage = VK_SHADER_STAGE_COMPUTE_BIT;
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shader_stage.module = handle;
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shader_stage.pName = "main";
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VkComputePipelineCreateInfo info{};
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info.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO;
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info.stage = shader_stage;
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info.layout = m_pipeline_layout;
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info.basePipelineIndex = -1;
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info.basePipelineHandle = VK_NULL_HANDLE;
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VkPipeline pipeline;
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vkCreateComputePipelines(*get_current_renderer(), nullptr, 1, &info, nullptr, &pipeline);
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std::vector<vk::glsl::program_input> inputs;
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m_program = std::make_unique<vk::glsl::program>(*get_current_renderer(), pipeline, inputs, inputs);
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}
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verify(HERE), m_used_descriptors < VK_MAX_COMPUTE_TASKS;
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VkDescriptorSetAllocateInfo alloc_info = {};
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alloc_info.descriptorPool = m_descriptor_pool;
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alloc_info.descriptorSetCount = 1;
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alloc_info.pSetLayouts = &m_descriptor_layout;
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alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
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CHECK_RESULT(vkAllocateDescriptorSets(*get_current_renderer(), &alloc_info, &m_descriptor_set));
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m_used_descriptors++;
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bind_resources();
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vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_COMPUTE, m_program->pipeline);
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vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_COMPUTE, m_pipeline_layout, 0, 1, &m_descriptor_set, 0, nullptr);
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}
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virtual void run(VkCommandBuffer cmd, u32 num_invocations)
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{
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load_program(cmd);
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vkCmdDispatch(cmd, num_invocations, 1, 1);
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}
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};
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struct cs_shuffle_base : compute_task
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{
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const vk::buffer* m_data;
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u32 m_data_offset = 0;
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u32 m_data_length = 0;
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u32 kernel_size = 1;
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std::string variables, work_kernel, loop_advance, suffix;
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cs_shuffle_base()
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{
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work_kernel =
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{
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" value = data[index];\n"
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" data[index] = %f(value);\n"
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};
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loop_advance =
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{
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" index++;\n"
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};
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suffix =
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{
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"}\n"
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};
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}
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void build(const char* function_name, u32 _kernel_size = 0)
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{
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// Initialize to allow detecting optimal settings
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create();
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kernel_size = _kernel_size? _kernel_size : optimal_kernel_size;
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m_src =
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{
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"#version 430\n"
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"layout(local_size_x=%ws, local_size_y=1, local_size_z=1) in;\n"
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"layout(std430, set=0, binding=0) buffer ssbo{ uint data[]; };\n"
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"%ub"
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"\n"
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"#define KERNEL_SIZE %ks\n"
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"\n"
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"// Generic swap routines\n"
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"#define bswap_u16(bits) (bits & 0xFF) << 8 | (bits & 0xFF00) >> 8 | (bits & 0xFF0000) << 8 | (bits & 0xFF000000) >> 8\n"
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"#define bswap_u32(bits) (bits & 0xFF) << 24 | (bits & 0xFF00) << 8 | (bits & 0xFF0000) >> 8 | (bits & 0xFF000000) >> 24\n"
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"#define bswap_u16_u32(bits) (bits & 0xFFFF) << 16 | (bits & 0xFFFF0000) >> 16\n"
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"\n"
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"// Depth format conversions\n"
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"#define d24_to_f32(bits) floatBitsToUint(float(bits) / 16777215.f)\n"
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"#define f32_to_d24(bits) uint(uintBitsToFloat(bits) * 16777215.f)\n"
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"#define d24x8_to_f32(bits) d24_to_f32(bits >> 8)\n"
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"#define d24x8_to_d24x8_swapped(bits) (bits & 0xFF00) | (bits & 0xFF0000) >> 16 | (bits & 0xFF) << 16\n"
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"#define f32_to_d24x8_swapped(bits) d24x8_to_d24x8_swapped(f32_to_d24(bits))\n"
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"\n"
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"void main()\n"
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"{\n"
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" uint index = gl_GlobalInvocationID.x * KERNEL_SIZE;\n"
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" uint value;\n"
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" %vars"
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"\n"
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};
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const std::pair<std::string, std::string> syntax_replace[] =
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{
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{ "%ws", std::to_string(optimal_group_size) },
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{ "%ks", std::to_string(kernel_size) },
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{ "%vars", variables },
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{ "%f", function_name },
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{ "%ub", uniform_inputs? "layout(std140, set=0, binding=1) uniform ubo{ uvec4 params[16]; };\n" : "" },
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};
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m_src = fmt::replace_all(m_src, syntax_replace);
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work_kernel = fmt::replace_all(work_kernel, syntax_replace);
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if (kernel_size <= 1)
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{
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m_src += " {\n" + work_kernel + " }\n";
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}
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else if (unroll_loops)
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{
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work_kernel += loop_advance + "\n";
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m_src += std::string
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(
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" //Unrolled loop\n"
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" {\n"
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);
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// Assemble body with manual loop unroll to try loweing GPR usage
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for (u32 n = 0; n < kernel_size; ++n)
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{
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m_src += work_kernel;
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}
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m_src += " }\n";
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}
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else
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{
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m_src += " for (int loop = 0; loop < KERNEL_SIZE; ++loop)\n";
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m_src += " {\n";
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m_src += work_kernel;
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m_src += loop_advance;
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m_src += " }\n";
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}
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m_src += suffix;
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}
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void bind_resources() override
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{
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m_program->bind_buffer({ m_data->value, m_data_offset, m_data_length }, 0, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, m_descriptor_set);
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if (uniform_inputs)
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{
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verify(HERE), m_param_buffer, m_param_buffer->value != VK_NULL_HANDLE;
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m_program->bind_buffer({ m_param_buffer->value, 0, 256 }, 1, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, m_descriptor_set);
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}
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}
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void set_parameters(VkCommandBuffer cmd, const u32* params, u8 count)
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{
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verify(HERE), uniform_inputs;
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if (!m_param_buffer)
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{
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auto pdev = vk::get_current_renderer();
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m_param_buffer = std::make_unique<vk::buffer>(*pdev, 256, pdev->get_memory_mapping().host_visible_coherent,
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VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT, 0);
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}
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vkCmdUpdateBuffer(cmd, m_param_buffer->value, 0, count * sizeof(u32), params);
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}
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void run(VkCommandBuffer cmd, const vk::buffer* data, u32 data_length, u32 data_offset = 0)
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{
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m_data = data;
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m_data_offset = data_offset;
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m_data_length = data_length;
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const auto num_bytes_per_invocation = optimal_group_size * kernel_size * 4;
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const auto num_bytes_to_process = align(data_length, num_bytes_per_invocation);
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const auto num_invocations = num_bytes_to_process / num_bytes_per_invocation;
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if ((num_bytes_to_process + data_offset) > data->size())
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{
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// Technically robust buffer access should keep the driver from crashing in OOB situations
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LOG_ERROR(RSX, "Inadequate buffer length submitted for a compute operation."
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"Required=%d bytes, Available=%d bytes", num_bytes_to_process, data->size());
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}
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compute_task::run(cmd, num_invocations);
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}
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};
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struct cs_shuffle_16 : cs_shuffle_base
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{
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// byteswap ushort
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cs_shuffle_16()
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{
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cs_shuffle_base::build("bswap_u16");
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}
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};
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struct cs_shuffle_32 : cs_shuffle_base
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{
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// byteswap_ulong
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cs_shuffle_32()
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{
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cs_shuffle_base::build("bswap_u32");
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}
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};
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struct cs_shuffle_32_16 : cs_shuffle_base
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{
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// byteswap_ulong + byteswap_ushort
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cs_shuffle_32_16()
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{
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cs_shuffle_base::build("bswap_u16_u32");
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}
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};
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struct cs_shuffle_d24x8_f32 : cs_shuffle_base
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{
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// convert d24x8 to f32
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cs_shuffle_d24x8_f32()
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{
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cs_shuffle_base::build("d24x8_to_f32");
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}
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};
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struct cs_shuffle_se_f32_d24x8 : cs_shuffle_base
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{
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// convert f32 to d24x8 and swap endianness
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cs_shuffle_se_f32_d24x8()
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{
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cs_shuffle_base::build("f32_to_d24x8_swapped");
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}
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};
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struct cs_shuffle_se_d24x8 : cs_shuffle_base
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{
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// swap endianness of d24x8
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cs_shuffle_se_d24x8()
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{
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cs_shuffle_base::build("d24x8_to_d24x8_swapped");
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}
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};
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// NOTE: D24S8 layout has the stencil in the MSB! Its actually S8|D24|S8|D24 starting at offset 0
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struct cs_interleave_task : cs_shuffle_base
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{
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u32 m_ssbo_length = 0;
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cs_interleave_task()
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{
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uniform_inputs = true;
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variables =
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{
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" uint block_length = params[0].x >> 2;\n"
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" uint z_offset = params[0].y >> 2;\n"
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" uint s_offset = params[0].z >> 2;\n"
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" uint depth;\n"
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" uint stencil;\n"
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" uint stencil_shift;\n"
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" uint stencil_offset;\n"
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};
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}
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void bind_resources() override
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{
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m_program->bind_buffer({ m_data->value, m_data_offset, m_ssbo_length }, 0, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, m_descriptor_set);
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if (uniform_inputs)
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{
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verify(HERE), m_param_buffer;
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m_program->bind_buffer({ m_param_buffer->value, 0, 256 }, 1, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, m_descriptor_set);
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}
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}
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void run(VkCommandBuffer cmd, const vk::buffer* data, u32 data_offset, u32 data_length, u32 zeta_offset, u32 stencil_offset)
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{
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u32 parameters[3] = { data_length, zeta_offset - data_offset, stencil_offset - data_offset };
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set_parameters(cmd, parameters, 3);
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m_ssbo_length = stencil_offset + (data_length / 4) - data_offset;
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cs_shuffle_base::run(cmd, data, data_length, data_offset);
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}
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};
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struct cs_gather_d24x8 : cs_interleave_task
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{
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cs_gather_d24x8()
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{
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work_kernel =
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{
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" if (index >= block_length)\n"
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" return;\n"
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"\n"
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" depth = data[index + z_offset] & 0x00FFFFFF;\n"
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" stencil_offset = (index / 4);\n"
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" stencil_shift = (index % 4) * 8;\n"
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" stencil = data[stencil_offset + s_offset];\n"
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" stencil = (stencil >> stencil_shift) & 0xFF;\n"
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" value = (depth << 8) | stencil;\n"
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" data[index] = value;\n"
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};
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cs_shuffle_base::build("");
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}
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};
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struct cs_gather_d32x8 : cs_interleave_task
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{
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cs_gather_d32x8()
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{
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work_kernel =
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{
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" if (index >= block_length)\n"
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" return;\n"
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"\n"
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" depth = f32_to_d24(data[index + z_offset]);\n"
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" stencil_offset = (index / 4);\n"
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" stencil_shift = (index % 4) * 8;\n"
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" stencil = data[stencil_offset + s_offset];\n"
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" stencil = (stencil >> stencil_shift) & 0xFF;\n"
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" value = (depth << 8) | stencil;\n"
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" data[index] = value;\n"
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};
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cs_shuffle_base::build("");
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}
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};
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struct cs_scatter_d24x8 : cs_interleave_task
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{
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cs_scatter_d24x8()
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{
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work_kernel =
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{
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" if (index >= block_length)\n"
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" return;\n"
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"\n"
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" value = data[index];\n"
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" data[index + z_offset] = (value >> 8);\n"
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" stencil_offset = (index / 4);\n"
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" stencil_shift = (index % 4) * 8;\n"
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" stencil = (value & 0xFF) << stencil_shift;\n"
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" data[stencil_offset + s_offset] |= stencil;\n"
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};
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cs_shuffle_base::build("");
|
|
}
|
|
};
|
|
|
|
struct cs_scatter_d32x8 : cs_interleave_task
|
|
{
|
|
cs_scatter_d32x8()
|
|
{
|
|
work_kernel =
|
|
{
|
|
" if (index >= block_length)\n"
|
|
" return;\n"
|
|
"\n"
|
|
" value = data[index];\n"
|
|
" data[index + z_offset] = d24_to_f32(value >> 8);\n"
|
|
" stencil_offset = (index / 4);\n"
|
|
" stencil_shift = (index % 4) * 8;\n"
|
|
" stencil = (value & 0xFF) << stencil_shift;\n"
|
|
" data[stencil_offset + s_offset] |= stencil;\n"
|
|
};
|
|
|
|
cs_shuffle_base::build("");
|
|
}
|
|
};
|
|
|
|
// TODO: Replace with a proper manager
|
|
extern std::unordered_map<u32, std::unique_ptr<vk::compute_task>> g_compute_tasks;
|
|
|
|
template<class T>
|
|
T* get_compute_task()
|
|
{
|
|
u32 index = id_manager::typeinfo::get_index<T>();
|
|
auto &e = g_compute_tasks[index];
|
|
|
|
if (!e)
|
|
{
|
|
e = std::make_unique<T>();
|
|
e->create();
|
|
}
|
|
|
|
return static_cast<T*>(e.get());
|
|
}
|
|
|
|
void reset_compute_tasks();
|
|
}
|