ed/pikuma_ps1
1
0
Fork 0
mirror of https://github.com/Ed94/pikuma_ps1.git synced 2026-06-01 18:41:13 -07:00
Code Issues Packages Projects Releases Wiki Activity

7/7 Fixed-Point math

Browse Source
This commit is contained in:
Edward R. Gonzalez
2026-05-31 20:23:14 -04:00
parent e409fe0b2d
commit 66981351ee
7 changed files with 269 additions and 177 deletions
Download Patch File Download Diff File Expand all files Collapse all files
code/graphics_hello_psyq/hello_gpu.h
+55 -1
View File
@@ -34,7 +34,7 @@ typedef def_struct(DoubleBuffer) {
#define ScreenRes_X 320
#define ScreenRes_Y 240
#define ScreenZ 400
#define ScreenZ 320
#define ScreenRes_CenterX (ScreenRes_X >> 1)
#define ScreenRes_CenterY (ScreenRes_Y >> 1)
@@ -106,6 +106,58 @@ typedef def_struct(PolyTag) {
// #define setLineF4(p) set_len(p, 6), set_code(p, 0x4c),(p)->pad = 0x55555555
// #define setLineG4(p) set_len(p, 9), set_code(p, 0x5c),(p)->pad = 0x55555555, (p)->p2 = 0, (p)->p3 = 0
typedef def_struct(Poly_F3) {
U4 tag;
RGB8 color;
B1 code;
union {
struct {
V2_S2 p0;
V2_S2 p1;
V2_S2 p2;
};
A3_V2_S2 points;
};
};
typedef def_struct(Poly_G3) {
U4 tag; RGB8 c0; B1 code;
V2_S2 p0; RGB8 c1; B1 pad1;
V2_S2 p1; RGB8 c2; B1 pad2;
V2_S2 p2;
};
typedef def_struct(Poly_F4) {
U4 tag;
RGB8 color;
B1 code;
union {
struct {
V2_S2 p0;
V2_S2 p1;
V2_S2 p2;
V2_S2 p3;
};
A4_V2_S2 points;
};
};
typedef def_struct(Poly_G4) {
U4 tag; RGB8 c0; B1 code;
V2_S2 p0; RGB8 c1; B1 pad1;
V2_S2 p1; RGB8 c2; B1 pad2;
V2_S2 p2; RGB8 c3; B1 pad3;
V2_S2 p3;
};
typedef def_struct(Tile) {
U4 tag;
RGB8 color;
B1 code;
Rect_S2 rect;
};
/*
Linear Algebra
*/
@@ -151,3 +203,5 @@ void gte_matrix_set_translation(M3_S2* mat) __asm__("SetTransMatrix");
enum {
fp_one = (1 << 12),
};
#define v3s4_fp_one() v3s4(fp_one, fp_one, fp_one)