mirror of
https://github.com/Ed94/raddebugger.git
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initial upload
This commit is contained in:
Ryan Fleury
+192
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// Copyright (c) 2024 Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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#ifndef DRAW_H
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#define DRAW_H
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////////////////////////////////
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//~ rjf: Fancy String Types
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typedef struct D_FancyString D_FancyString;
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struct D_FancyString
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{
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F_Tag font;
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String8 string;
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Vec4F32 color;
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F32 size;
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F32 underline_thickness;
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F32 strikethrough_thickness;
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};
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typedef struct D_FancyStringNode D_FancyStringNode;
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struct D_FancyStringNode
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{
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D_FancyStringNode *next;
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D_FancyString v;
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};
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typedef struct D_FancyStringList D_FancyStringList;
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struct D_FancyStringList
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{
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D_FancyStringNode *first;
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D_FancyStringNode *last;
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U64 node_count;
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U64 total_size;
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};
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typedef struct D_FancyRun D_FancyRun;
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struct D_FancyRun
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{
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F_Run run;
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Vec4F32 color;
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F32 underline_thickness;
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F32 strikethrough_thickness;
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};
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typedef struct D_FancyRunNode D_FancyRunNode;
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struct D_FancyRunNode
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{
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D_FancyRunNode *next;
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D_FancyRun v;
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};
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typedef struct D_FancyRunList D_FancyRunList;
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struct D_FancyRunList
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{
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D_FancyRunNode *first;
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D_FancyRunNode *last;
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U64 node_count;
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Vec2F32 dim;
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};
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////////////////////////////////
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//~ rjf: Generated Code
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#include "generated/draw.meta.h"
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////////////////////////////////
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//~ rjf: Draw Bucket Types
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typedef struct D_Bucket D_Bucket;
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struct D_Bucket
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{
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R_PassList passes;
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U64 stack_gen;
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U64 last_cmd_stack_gen;
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D_BucketStackDecls;
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};
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////////////////////////////////
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//~ rjf: Thread Context
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typedef struct D_BucketSelectionNode D_BucketSelectionNode;
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struct D_BucketSelectionNode
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{
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D_BucketSelectionNode *next;
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D_Bucket *bucket;
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};
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typedef struct D_ThreadCtx D_ThreadCtx;
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struct D_ThreadCtx
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{
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Arena *arena;
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U64 arena_frame_start_pos;
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D_BucketSelectionNode *top_bucket;
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D_BucketSelectionNode *free_bucket_selection;
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};
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////////////////////////////////
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//~ rjf: Globals
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thread_static D_ThreadCtx *d_thread_ctx = 0;
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////////////////////////////////
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//~ rjf: Basic Helpers
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internal U64 d_hash_from_string(String8 string);
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////////////////////////////////
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//~ rjf: Fancy String Type Functions
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internal void d_fancy_string_list_push(Arena *arena, D_FancyStringList *list, D_FancyString *str);
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internal String8 d_string_from_fancy_string_list(Arena *arena, D_FancyStringList *list);
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internal D_FancyRunList d_fancy_run_list_from_fancy_string_list(Arena *arena, D_FancyStringList *strs);
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////////////////////////////////
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//~ rjf: Top-Level API
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//
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// (Frame boundaries & bucket submission)
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internal void d_begin_frame(void);
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internal void d_submit_bucket(OS_Handle os_window, R_Handle r_window, D_Bucket *bucket);
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////////////////////////////////
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//~ rjf: Bucket Construction & Selection API
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//
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// (Bucket: Handle to sequence of many render passes, constructed by this layer)
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internal D_Bucket *d_bucket_make(void);
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internal void d_push_bucket(D_Bucket *bucket);
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internal void d_pop_bucket(void);
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internal D_Bucket *d_top_bucket(void);
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#define D_BucketScope(b) DeferLoop(d_push_bucket(b), d_pop_bucket())
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////////////////////////////////
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//~ rjf: Bucket Stacks
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//
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// (Pushing/popping implicit draw parameters)
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internal R_Tex2DSampleKind d_push_tex2d_sample_kind(R_Tex2DSampleKind v);
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internal Mat3x3F32 d_push_xform2d(Mat3x3F32 v);
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internal Rng2F32 d_push_clip(Rng2F32 v);
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internal F32 d_push_transparency(F32 v);
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internal R_Tex2DSampleKind d_pop_tex2d_sample_kind(void);
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internal Mat3x3F32 d_pop_xform2d(void);
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internal Rng2F32 d_pop_clip(void);
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internal F32 d_pop_transparency(void);
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internal R_Tex2DSampleKind d_top_tex2d_sample_kind(void);
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internal Mat3x3F32 d_top_xform2d(void);
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internal Rng2F32 d_top_clip(void);
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internal F32 d_top_transparency(void);
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#define D_Tex2DSampleKindScope(v) DeferLoop(d_push_tex2d_sample_kind(v), d_pop_tex2d_sample_kind())
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#define D_XForm2DScope(v) DeferLoop(d_push_xform2d(v), d_pop_xform2d())
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#define D_ClipScope(v) DeferLoop(d_push_clip(v), d_pop_clip())
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#define D_TransparencyScope(v) DeferLoop(d_push_transparency(v), d_pop_transparency())
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////////////////////////////////
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//~ rjf: Core Draw Calls
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//
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// (Apply to the calling thread's currently selected bucket)
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//- rjf: rectangles
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internal inline R_Rect2DInst *d_rect(Rng2F32 dst, Vec4F32 color, F32 corner_radius, F32 border_thickness, F32 edge_softness);
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//- rjf: images
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internal inline R_Rect2DInst *d_img(Rng2F32 dst, Rng2F32 src, R_Handle texture, Vec4F32 color, F32 corner_radius, F32 border_thickness, F32 edge_softness);
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//- rjf: blurs
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internal R_PassParams_Blur *d_blur(Rng2F32 rect, F32 blur_size, F32 corner_radius);
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//- rjf: 3d rendering pass params
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internal R_PassParams_Geo3D *d_geo3d_begin(Rng2F32 viewport, Mat4x4F32 view, Mat4x4F32 projection);
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//- rjf: meshes
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internal R_Mesh3DInst *d_mesh(R_Handle mesh_vertices, R_Handle mesh_indices, R_GeoTopologyKind mesh_geo_topology, R_GeoVertexFlags mesh_geo_vertex_flags, R_Handle albedo_tex, Mat4x4F32 inst_xform);
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//- rjf: collating one pre-prepped bucket into parent bucket
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internal void d_sub_bucket(D_Bucket *bucket);
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////////////////////////////////
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//~ rjf: Draw Call Helpers
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//- rjf: text
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internal void d_truncated_fancy_run_list(Vec2F32 p, D_FancyRunList *list, F32 max_x, F_Run trailer_run);
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internal void d_text_run(Vec2F32 p, Vec4F32 color, F_Run run);
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internal void d_truncated_text_run(Vec2F32 p, Vec4F32 color, F32 max_x, F_Run text_run, F_Run trailer_run);
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internal void d_text(F_Tag font, F32 size, Vec2F32 p, Vec4F32 color, String8 string);
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internal void d_textf(F_Tag font, F32 size, Vec2F32 p, Vec4F32 color, char *fmt, ...);
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internal void d_truncated_text(F_Tag font, F32 size, Vec2F32 p, Vec4F32 color, F32 max_x, String8 string);
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internal void d_truncated_textf(F_Tag font, F32 size, Vec2F32 p, Vec4F32 color, F32 max_x, char *fmt, ...);
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#endif // DRAW_H
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