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/*
* PSn00bSDK dynamic linker example (utilities)
* (C) 2021 spicyjpeg - MPL licensed
*/
#include <psxgpu.h>
#include "library/dll_common.h"
#define SCREEN_XRES 320
#define SCREEN_YRES 240
/* Display/GPU context utilities */
void init_context(CONTEXT *ctx) {
DB *db;
ResetGraph(0);
ctx->xres = SCREEN_XRES;
ctx->yres = SCREEN_YRES;
ctx->db_active = 0;
db = &(ctx->db[0]);
SetDefDispEnv(&(db->disp), 0, 0, SCREEN_XRES, SCREEN_YRES);
SetDefDrawEnv(&(db->draw), SCREEN_XRES, 0, SCREEN_XRES, SCREEN_YRES);
setRGB0(&(db->draw), 63, 0, 127);
db->draw.isbg = 1;
db->draw.dtd = 1;
db = &(ctx->db[1]);
SetDefDispEnv(&(db->disp), SCREEN_XRES, 0, SCREEN_XRES, SCREEN_YRES);
SetDefDrawEnv(&(db->draw), 0, 0, SCREEN_XRES, SCREEN_YRES);
setRGB0(&(db->draw), 63, 0, 127);
db->draw.isbg = 1;
db->draw.dtd = 1;
// Set up the ordering tables and primitive buffers.
db = &(ctx->db[0]);
ctx->db_nextpri = db->p;
ClearOTagR((u_long *) db->ot, OT_LEN);
PutDrawEnv(&(db->draw));
//PutDispEnv(&(db->disp));
db = &(ctx->db[1]);
ClearOTagR((u_long *) db->ot, OT_LEN);
// Create a text stream at the top of the screen.
FntLoad(960, 0);
FntOpen(4, 12, 312, 32, 2, 256);
}
void display(CONTEXT *ctx) {
DB *db;
DrawSync(0);
VSync(0);
ctx->db_active ^= 1;
db = &(ctx->db[ctx->db_active]);
ctx->db_nextpri = db->p;
ClearOTagR((u_long *) db->ot, OT_LEN);
PutDrawEnv(&(db->draw));
PutDispEnv(&(db->disp));
SetDispMask(1);
db = &(ctx->db[!ctx->db_active]);
DrawOTag((u_long *) &(db->ot[OT_LEN - 1]));
}
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