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

minor changes

Browse Source
This commit is contained in:
Edward R. Gonzalez
2025-09-15 01:51:46 -04:00
parent f35e60877c
commit fd61fc56db
2 changed files with 30 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
code/graphics_hello_psyq/hello_gpu.c
+24 -24
View File
@@ -40,10 +40,10 @@ typedef def_struct(QuadFlat) {
};
};
typedef def_struct(Tile) {
U32 tag;
RGB8 color;
BYTE code;
Rect_S16 rect;
U32 tag;
RGB8 color;
BYTE code;
Rect_S16 rect;
};
#define PrimitiveBuff_Len 2048
@@ -63,22 +63,22 @@ typedef def_struct(SMemory) {
DoubleBuffer screen_buf;
A2_OrderingTable_Buffer ordering_tbl;
PrimitiveArena primitives;
S16 active_screen_buf;
S16 active_buf_id;
};
global SMemory static_mem;
extern SMemory static_mem;
BYTE* prim__alloc(SSIZE type_width, ct_lit Str8 type_name) {
BYTE* prim__alloc(SSIZE type_width, dbg_args(Str8 type_name)) {
gknown PrimitiveArena* pa = & static_mem.primitives;
gknown BYTE* buf = (BYTE*) static_mem.primitives.buf[static_mem.active_screen_buf];
gknown BYTE* buf = (BYTE*) static_mem.primitives.buf[static_mem.active_buf_id];
assert(pa->used + type_width < PrimitiveBuff_Len);
BYTE* next = buf + pa->used;
pa->used += type_width;
return next;
}
#define prim_alloc(type) (type*)prim__alloc(size_of(type), txt( stringify(type) ))
#define prim_alloc(type) (type*)prim__alloc(size_of(type), txt( stringify(type)))
void gp_screen_init_c11(DoubleBuffer* screen_buf, S16* active_screen_buf)
void gp_screen_init_c11(DoubleBuffer* screen_buf, S16* active_buf_id)
{
ResetGraph(0);
SetDispMask(1); // gp_DisplayEnabled
@@ -97,11 +97,11 @@ void gp_screen_init_c11(DoubleBuffer* screen_buf, S16* active_screen_buf)
screen_buf->draw[0].initial_bg_color = (RGB8){ .r = 63, .g = 0, .b = 127 };
screen_buf->draw[1].initial_bg_color = (RGB8){ .r = 127, .g = 63, .b = 0 };
// Set the current initial buffer
* active_screen_buf = 0;
* active_buf_id = 0;
PutDispEnv((DISPENV*)& screen_buf->display[* active_screen_buf]);
PutDispEnv((DISPENV*)& screen_buf->display[* active_buf_id]);
DRAWENV* env = (DRAWENV*)& screen_buf->draw[* active_screen_buf];
DRAWENV* env = (DRAWENV*)& screen_buf->draw[* active_buf_id];
PutDrawEnv(env);
// Initialize and setup the GTE geometry offsets
@@ -111,23 +111,22 @@ void gp_screen_init_c11(DoubleBuffer* screen_buf, S16* active_screen_buf)
SetGeomScreen(ScreenRes_CenterX);
}
void gp_display_frame(DoubleBuffer* screen_buf, S16* active_screen_buf, U32* ordering_buf) {
void gp_display_frame(DoubleBuffer* screen_buf, S16* active_buf_id, U32* ordering_buf, PrimitiveArena* pa) {
DrawSync(0);
VSync(0);
PutDispEnv((DISPENV*)& screen_buf->display[* active_screen_buf]);
PutDrawEnv((DRAWENV*)& screen_buf->draw [* active_screen_buf]);
PutDispEnv((DISPENV*)& screen_buf->display[* active_buf_id]);
PutDrawEnv((DRAWENV*)& screen_buf->draw [* active_buf_id]);
{
DrawOTag((u_long*) (ordering_buf + OrderingTbl_Len - 1));
}
* active_screen_buf = ! (* active_screen_buf); // Swap current buffer
gknown static_mem.primitives.used = 0;
* active_buf_id = ! (* active_buf_id); // Swap current buffer
pa->used = 0;
}
void render(void) {
}
void update(PrimitiveArena* pa, S16 active_screen_buff, U32* ordering_buf) {
void update(PrimitiveArena* pa, U32* ordering_buf) {
ClearOTagR((u_long*) ordering_buf, OrderingTbl_Len);
@@ -147,15 +146,16 @@ void update(PrimitiveArena* pa, S16 active_screen_buff, U32* ordering_buf) {
int main(void)
{
static_mem.primitives.used = 0;
gp_screen_init();
gknown gp_screen_init();
// gp_screen_init_c11(& static_mem.screen_buf, & static_mem.active_screen_buf);
while (1)
{
gknown S16* active_screen = & static_mem.active_screen_buf;
gknown U32* ordering_buf = static_mem.ordering_tbl[* active_screen];
update(& static_mem.primitives, * active_screen, ordering_buf);
gknown S16* active_buf_id = & static_mem.active_buf_id;
gknown U32* ordering_buf = static_mem.ordering_tbl[* active_buf_id];
gknown PrimitiveArena* pa = & static_mem.primitives;
update(pa, ordering_buf);
render();
gp_display_frame(& static_mem.screen_buf, active_screen, ordering_buf);
gp_display_frame(& static_mem.screen_buf, active_buf_id, ordering_buf, pa);
};
return 0;
}