Ports/perfect_dark
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port: fix hitscans and other uses of Gtri

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fgsfds committed 2023-08-04 16:46:05 +02:00
1 parent c2d1d9b4bf
commit a9b772ef99
3 files changed
+48 -15
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include/PR/gbi.h
+33
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@@ -1029,10 +1029,21 @@ typedef union {
* Triangle face
*/
typedef struct {
#ifdef PLATFORM_BIG_ENDIAN
unsigned char flag;
unsigned char v[3];
#else
unsigned char v[3]; // reverse order
unsigned char flag;
#endif
} Tri;
#ifdef PLATFORM_BIG_ENDIAN
#define GFX_TRI_VTX(i) (i)
#else
#define GFX_TRI_VTX(i) (2 - i)
#endif
/*
* 4x4 matrix, fixed point s15.16 format.
* First 8 words are integer portion of the 4x4 matrix
@@ -1308,12 +1319,18 @@ typedef struct {
* Graphics Immediate Mode Packet types
*/
typedef struct {
#ifdef PLATFORM_BIG_ENDIAN
int cmd:8;
int pad:24;
#else
int pad:24;
int cmd:8;
#endif
Tri tri;
} Gtri;
typedef struct {
#ifdef PLATFORM_BIG_ENDIAN
unsigned char cmd:8;
unsigned char pad:8;
unsigned char z4:4;
@@ -1328,6 +1345,22 @@ typedef struct {
unsigned char x2:4;
unsigned char y1:4;
unsigned char x1:4;
#else
unsigned char z1:4;
unsigned char z2:4;
unsigned char z3:4;
unsigned char z4:4;
unsigned char pad:8;
unsigned char cmd:8;
unsigned char x1:4;
unsigned char y1:4;
unsigned char x2:4;
unsigned char y2:4;
unsigned char x3:4;
unsigned char y3:4;
unsigned char x4:4;
unsigned char y4:4;
#endif
} Gtri4;
typedef struct {