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https://github.com/RPCSX/rpcsx.git
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a51395370e
- A few nagging issues remain, specifically that partial command stream largely caused by poor synchronization structures for partial CS flush and also the fact that occlusion map entries wait on a command buffer and not an EID!
91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
#pragma once
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#include "Utilities/types.h"
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#include "Utilities/lockless.h"
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#include "Utilities/Thread.h"
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#include "Utilities/address_range.h"
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#include "gcm_enums.h"
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#include <vector>
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#include <thread>
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namespace rsx
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{
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class dma_manager
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{
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enum op
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{
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raw_copy = 0,
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vector_copy = 1,
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index_emulate = 2,
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callback = 3
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};
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struct transport_packet
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{
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op type;
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std::vector<u8> opt_storage;
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void *src;
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void *dst;
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u32 length;
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u32 aux_param0;
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u32 aux_param1;
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transport_packet(void *_dst, void *_src, u32 len)
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: src(_src), dst(_dst), length(len), type(op::raw_copy)
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{}
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transport_packet(void *_dst, std::vector<u8>& _src, u32 len)
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: dst(_dst), opt_storage(std::move(_src)), length(len), type(op::vector_copy)
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{}
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transport_packet(void *_dst, rsx::primitive_type prim, u32 len)
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: dst(_dst), aux_param0(static_cast<u8>(prim)), length(len), type(op::index_emulate)
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{}
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transport_packet(u32 command, void* args)
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: aux_param0(command), src(args), type(op::callback)
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{}
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};
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lf_queue<transport_packet> m_work_queue;
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lf_queue_slice<transport_packet> m_current_job;
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atomic_t<u64> m_enqueued_count{ 0 };
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volatile u64 m_processed_count = 0;
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thread_state m_worker_state = thread_state::detached;
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std::thread::id m_thread_id;
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atomic_t<bool> m_mem_fault_flag{ false };
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// TODO: Improved benchmarks here; value determined by profiling on a Ryzen CPU, rounded to the nearest 512 bytes
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const u32 max_immediate_transfer_size = 3584;
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public:
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dma_manager() = default;
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// initialization
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void init();
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// General tranport
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void copy(void *dst, std::vector<u8>& src, u32 length);
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void copy(void *dst, void *src, u32 length);
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// Vertex utilities
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void emulate_as_indexed(void *dst, rsx::primitive_type primitive, u32 count);
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// Renderer callback
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void backend_ctrl(u32 request_code, void* args);
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// Synchronization
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bool is_current_thread() const;
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void sync();
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void join();
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void set_mem_fault_flag();
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void clear_mem_fault_flag();
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// Fault recovery
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utils::address_range get_fault_range(bool writing) const;
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};
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extern dma_manager g_dma_manager;
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}
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