mirror of
https://github.com/Ed94/pikuma_ps1.git
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120 lines
3.5 KiB
C
120 lines
3.5 KiB
C
#ifdef INTELLISENSE_DIRECTIVES
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# pragma once
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# include "duffle/dsl.h"
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# include "duffle/math.h"
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# include "duffle/gp.h"
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#endif
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enum {
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PrimitiveBuff_Len = 4096,
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OrderingTbl_Len = 2048
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};
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typedef Struct_(DrawEnv_Packed) { U4 tag; U4 code[15]; };
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typedef Struct_(DrawEnv) {
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Rect_S2 clip_area;
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A2_S2 drawing_offset;
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Rect_S2 texture_window;
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S2 texture_page;
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B1 flag_dither;
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B1 flag_draw_on_display;
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B1 enable_auto_clear;
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RGB8 initial_bg_color;
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DrawEnv_Packed dr_env; // reserved
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};
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typedef Struct_(DisplayEnv) {
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Rect_S2 display_area;
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Rect_S2 screen;
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B1 vinterlace;
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B1 color24;
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B1 pad0;
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B1 pad1;
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};
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typedef Array_(DrawEnv, 2);
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typedef Array_(DisplayEnv, 2);
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typedef Struct_(DoubleBuffer) {
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A2_DrawEnv draw;
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A2_DisplayEnv display;
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};
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#define ScreenRes_X 320
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#define ScreenRes_Y 240
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#define ScreenZ 320
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#define ScreenRes_CenterX (ScreenRes_X >> 1)
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#define ScreenRes_CenterY (ScreenRes_Y >> 1)
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DisplayEnv* displayenv_init(DisplayEnv* env, S4 x, S4 y, S4 w, S4 h) __asm__("SetDefDispEnv");
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DrawEnv* drawenv_init (DrawEnv* env, S4 x, S4 y, S4 w, S4 h) __asm__("SetDefDrawEnv");
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DisplayEnv* displayenv_put(DisplayEnv* env) __asm__("PutDispEnv");
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DrawEnv* drawenv_put (DrawEnv* env) __asm__("PutDrawEnv");
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U4 geom_init(void) __asm__("InitGeom");
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void geom_set_offset(U4 x, U4 y) __asm__("SetGeomOffset");
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void geom_set_screen(U4 h) __asm__("SetGeomScreen");
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U4* orderingtbl_clear_reverse(U4* ot, U4 len) __asm__("ClearOTagR");
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U4 reset_graph(U4 mode) __asm__("ResetGraph");
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void set_display_enabled(U4 mask) __asm__("SetDispMask");
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U4 draw_sync(U4 mode) __asm__("DrawSync");
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U4 vsync(U4 mode) __asm__("VSync");
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void draw_orderingtbl(U4* buf) __asm__("DrawOTag");
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typedef Struct_(Tile) {
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U4 tag;
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RGB8 color;
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B1 code;
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Rect_S2 rect;
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};
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/*
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Linear Algebra
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*/
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M3_S2* m3s2_rotation (V3_S2* vec, M3_S2* mat) __asm__("RotMatrix");
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M3_S2* m3s2_translation(M3_S2* mat, V3_S4* vec) __asm__("TransMatrix");
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M3_S2* m3s2_scale (M3_S2* mat, V3_S4* vec) __asm__("ScaleMatrix");
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// Rotation, Translation, Perspective
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S4 rtp_v3s2_raw(V3_S2* vec, S4* xy, S4* pp, S4* flag) __asm__("RotTransPers");
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FI_ S4 rtp_v3s2(V3_S2* vec, V2_S2* xy, A2_S2* pp, S4* flag) { return rtp_v3s2_raw(vec, C_(S4*R_, & xy->x), C_(S4*R_, pp), r_(flag)); }
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S4 rtp_avg_nclip_a3_v3s2_raw(V3_S2* v0, V3_S2* v1, V3_S2* v2, S4* xy1, S4* xy2, S4* xy3, S4* pp, S4* otz, S4* flag) __asm__("RotAverageNclip3");
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FI_ S4 rtp_avg_nclip_a3_v3s2(
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V3_S2* v0, V3_S2* v1, V3_S2* v2,
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V2_S2* xy0, V2_S2* xy1, V2_S2* xy2,
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A2_S2* pp, S4* otz, S4* flag
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){
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return rtp_avg_nclip_a3_v3s2_raw(
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v0, v1, v2,
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C_(S4*R_, xy0), C_(S4*R_, xy1), C_(S4*R_, xy2),
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C_(S4*R_, pp), C_(S4*R_, otz), C_(S4*R_, flag)
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);
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}
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S4 rtp_avg_nclip_a4_v3s2_raw(V3_S2* v0, V3_S2* v1, V3_S2* v2, V3_S2* v3, S4* xy1, S4* xy2, S4* xy3, S4* xy4, S4* pp, S4* otz, S4* flag) __asm__("RotAverageNclip4");
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FI_ S4 rtp_avg_nclip_a4_v3s2(
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V3_S2* v0, V3_S2* v1, V3_S2* v2, V3_S2* v3,
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V2_S2* xy0, V2_S2* xy1, V2_S2* xy2, V2_S2* xy3,
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A2_S2* pp, S4* otz, S4* flag
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){
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return rtp_avg_nclip_a4_v3s2_raw(
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v0, v1, v2, v3,
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C_(S4*R_, xy0), C_(S4*R_, xy1), C_(S4*R_, xy2), C_(S4*R_, xy3),
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C_(S4*R_, pp), C_(S4*R_, otz), C_(S4*R_, flag)
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);
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}
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void gte_matrix_set_rotation (M3_S2* mat) __asm__("SetRotMatrix");
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void gte_matrix_set_translation(M3_S2* mat) __asm__("SetTransMatrix");
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enum {
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fp_one = (1 << 12),
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};
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#define v3s4_fp_one() v3s4(fp_one, fp_one, fp_one)
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