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extremely primitive screen impl

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This commit is contained in:
IonutParau
2026-03-30 23:25:56 +02:00
parent 6086208879
commit 5c854e5c4a
6 changed files with 309 additions and 5 deletions
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41
src/main.c
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@@ -412,6 +412,19 @@ int main(int argc, char **argv) {
double nextSecond = 0;
double wattage = 0;
nn_Component *screen = ncl_createScreen(u, NULL, &nn_defaultScreens[3]);
//nn_Component *gpu = ncl_createGPU(u, NULL, &nn_defaultGPUs[3]);
{
// draw test
const char *s = "hello there";
for(size_t i = 0; s[i]; i++) {
unsigned char c = s[i];
ncl_ScreenState *scrstate = nn_getComponentState(screen);
ncl_setScreenPixel(scrstate, i+1, 1, c, 0xFFFFFF, 0x000000, false, false);
}
}
restart:;
nn_Computer *c = nn_createComputer(u, NULL, "computer0", ramTotal, 256, 256);
@@ -426,6 +439,7 @@ restart:;
nn_setArchitecture(c, &arch);
nn_addSupportedArchitecture(c, &arch);
nn_mountComponent(c, screen, -1);
nn_mountComponent(c, ocelotCard, -1);
nn_mountComponent(c, eepromCard, 0);
nn_mountComponent(c, managedfs, 1);
@@ -436,6 +450,31 @@ restart:;
BeginDrawing();
ClearBackground(BLACK);
// drawing the screen
{
int offX = 0;
int offY = 0;
int cheight = 20;
int cwidth = MeasureText("A", cheight);
ncl_ScreenState *scrbuf = nn_getComponentState(screen);
ncl_lockScreen(scrbuf);
size_t scrw, scrh;
ncl_getScreenResolution(scrbuf, &scrw, &scrh);
for(int y = 1; y <= scrh; y++) {
for(int x = 1; x <= scrw; x++) {
ncl_Pixel p = ncl_getScreenPixel(scrbuf, x, y);
Vector2 pos = {
offX + (x - 1) * cwidth,
offY + (y - 1) * cheight,
};
DrawRectangle(pos.x, pos.y, cwidth, cheight, ne_processColor(p.bgColor));
DrawTextCodepoint(font, p.codepoint, pos, cheight, ne_processColor(p.fgColor));
}
}
ncl_unlockScreen(scrbuf);
}
int statY = 10;
if(sand.buf != NULL) {
DrawText(TextFormat("mem used: %.2f%%", (double)sand.used / sand.cap * 100), 10, statY, 20, YELLOW);
@@ -536,6 +575,8 @@ cleanup:;
nn_destroyComputer(c);
nn_dropComponent(ocelotCard);
nn_dropComponent(eepromCard);
nn_dropComponent(managedfs);
nn_dropComponent(screen);
// rip the universe
nn_destroyUniverse(u);
UnloadFont(font);