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https://github.com/Ed94/raddebugger.git
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Ryan Fleury
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
// Copyright (c) Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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#ifndef BASE_THREAD_CONTEXT_H
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#define BASE_THREAD_CONTEXT_H
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////////////////////////////////
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//~ rjf: Lane Group Context
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typedef struct LaneCtx LaneCtx;
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struct LaneCtx
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{
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U64 lane_idx;
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U64 lane_count;
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Barrier barrier;
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};
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////////////////////////////////
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//~ rjf: Base Per-Thread State Bundle
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typedef struct TCTX TCTX;
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struct TCTX
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{
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// rjf: scratch arenas
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Arena *arenas[2];
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// rjf: thread name
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U8 thread_name[32];
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U64 thread_name_size;
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// rjf: lane context
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LaneCtx lane_ctx;
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// rjf: source location info
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char *file_name;
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U64 line_number;
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};
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////////////////////////////////
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//~ rjf: Thread Context Functions
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//- rjf: thread-context allocation & selection
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internal TCTX *tctx_alloc(void);
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internal void tctx_release(TCTX *tctx);
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internal void tctx_select(TCTX *tctx);
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internal TCTX *tctx_selected(void);
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//- rjf: scratch arenas
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internal Arena *tctx_get_scratch(Arena **conflicts, U64 count);
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#define scratch_begin(conflicts, count) temp_begin(tctx_get_scratch((conflicts), (count)))
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#define scratch_end(scratch) temp_end(scratch)
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//- rjf: lane metadata
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internal void tctx_set_lane_ctx(LaneCtx lane_ctx);
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internal void tctx_lane_barrier_wait(void);
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internal Rng1U64 tctx_lane_idx_range_from_count(U64 count);
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#define lane_idx() (tctx_selected()->lane_ctx.lane_idx)
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#define lane_count() (tctx_selected()->lane_ctx.lane_count)
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#define lane_from_task_idx(idx) ((idx)%lane_count())
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#define lane_ctx(ctx) tctx_set_lane_ctx((ctx))
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#define lane_sync() tctx_lane_barrier_wait()
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#define lane_range(count) tctx_lane_idx_range_from_count(count)
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//- rjf: thread names
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internal void tctx_set_thread_name(String8 name);
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internal String8 tctx_get_thread_name(void);
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//- rjf: thread source-locations
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internal void tctx_write_srcloc(char *file_name, U64 line_number);
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internal void tctx_read_srcloc(char **file_name, U64 *line_number);
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#define tctx_write_this_srcloc() tctx_write_srcloc(__FILE__, __LINE__)
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#endif // BASE_THREAD_CONTEXT_H
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