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gp.h improvements

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ed
2026-07-08 10:21:31 -04:00
parent 10c8dcdc07
commit 5375478044
9 changed files with 725 additions and 334 deletions
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code/gte_hello/hello_gte.h
+7 -100
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@@ -63,106 +63,13 @@ U4 vsync(U4 mode) __asm__("VSync");
void draw_orderingtbl(U4* buf) __asm__("DrawOTag");
enum {
PolyTag_addr_bits = 24,
PolyTag_len_bits = 8,
};
typedef Struct_(PolyTag) {
union {
U4 bf_addr_len;
struct {
U4 addr: 24;
U4 len: 8;
};
};
RGB8 color;
B1 code;
};
/*
* Primitive Handling Macros
*/
#define set_len( p, _len) (((PolyTag*R_)(p))->len = (B1)(_len))
#define set_addr(p, _addr) (((PolyTag*R_)(p))->addr = (U4)(_addr))
#define set_code(p, _code) (((PolyTag*R_)(p))->code = (B1)(_code))
#define get_len(p) (B1)(((PolyTag*R_)(p))->len)
#define get_code(p) (B1)(((PolyTag*R_)(p))->code)
#define get_addr(p) (U4)(((PolyTag*R_)(p))->addr)
#define orderingtbl_add_primitive(ot, p) set_addr(p, get_addr(ot)), set_addr(ot, p)
#define orderingtbl_add_primitives(ot, p0, p1) set_addr(p1, get_addr(ot)), set_addr(ot, p0)
/* Primitive Length Code */
#define set_poly_f3(p) set_len(p, 4), set_code(p, 0x20)
#define set_poly_ft3(p) set_len(p, 7), set_code(p, 0x24)
#define set_poly_g3(p) set_len(p, 6), set_code(p, 0x30)
#define set_poly_gt3(p) set_len(p, 9), set_code(p, 0x34)
#define set_poly_f4(p) set_len(p, 5), set_code(p, 0x28)
#define set_poly_ft4(p) set_len(p, 9), set_code(p, 0x2c)
#define set_poly_g4(p) set_len(p, 8), set_code(p, 0x38)
#define set_poly_gt4(p) set_len(p, 12), set_code(p, 0x3c)
// #define setSprt8(p) setlen(p, 3), setcode(p, 0x74)
// #define setSprt16(p) setlen(p, 3), setcode(p, 0x7c)
// #define setSprt(p) setlen(p, 4), setcode(p, 0x64)
// #define setTile1(p) set_len(p, 2), set_code(p, 0x68)
// #define setTile8(p) set_len(p, 2), set_code(p, 0x70)
// #define setTile16(p) set_len(p, 2), set_code(p, 0x78)
#define set_tile(p) set_len(p, 3), set_code(p, 0x60)
// #define setLineF2(p) set_len(p, 3), set_code(p, 0x40)
// #define setLineG2(p) set_len(p, 4), set_code(p, 0x50)
// #define setLineF3(p) set_len(p, 5), set_code(p, 0x48),(p)->pad = 0x55555555
// #define setLineG3(p) set_len(p, 7), set_code(p, 0x58),(p)->pad = 0x55555555, (p)->p2 = 0
// #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 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 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 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 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;
};
/* Primitive Handling Macros
* All primitive types (PolyTag, Poly_F3, Poly_F4, Poly_G3, Poly_G4,
* Poly_FT3, Poly_FT4, Poly_GT3, Poly_GT4) and the set_poly_* setters,
* set_len / set_addr / get_len / get_addr macros, and the
* orderingtbl_add_primitive(s) helpers all live in `duffle/gp.h`
* now (per the Phase 3 gp.h overhaul). This file no longer duplicates
* those definitions. */
typedef Struct_(Tile) {
U4 tag;