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wip: extend shared library support, window demo

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This commit is contained in:
Daniel Hammer
2026-04-05 21:38:05 +02:00
parent 01c242d4de
commit 6f0707bc80
14 changed files with 268 additions and 53 deletions
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programs/include/Api/Syscall.hpp
+1
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@@ -148,6 +148,7 @@ namespace Montauk {
static constexpr uint64_t SYS_LOAD_LIB = 114;
static constexpr uint64_t SYS_UNLOAD_LIB = 115;
static constexpr uint64_t SYS_DLSYM = 116;
static constexpr uint64_t SYS_GETLIBBASE = 117;
static constexpr uint32_t IPC_SIGNAL_READABLE = 1u << 0;
static constexpr uint32_t IPC_SIGNAL_WRITABLE = 1u << 1;
programs/include/gui/canvas.hpp
-39
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@@ -135,51 +135,12 @@ struct Canvas {
void text(int x, int y, const char* str, Color c) {
if (fonts::system_font && fonts::system_font->valid) {
fonts::system_font->draw_to_buffer(pixels, w, h, x, y, str, c, fonts::UI_SIZE);
return;
}
uint32_t px = c.to_pixel();
for (int i = 0; str[i] && x + (i + 1) * FONT_WIDTH <= w; i++) {
const uint8_t* glyph = &font_data[(unsigned char)str[i] * FONT_HEIGHT];
int cx = x + i * FONT_WIDTH;
for (int fy = 0; fy < FONT_HEIGHT && y + fy < h; fy++) {
uint8_t bits = glyph[fy];
for (int fx = 0; fx < FONT_WIDTH; fx++) {
if (bits & (0x80 >> fx)) {
int dx = cx + fx;
int dy = y + fy;
if (dx >= 0 && dx < w && dy >= 0)
pixels[dy * w + dx] = px;
}
}
}
}
}
void text_2x(int x, int y, const char* str, Color c) {
if (fonts::system_font && fonts::system_font->valid) {
fonts::system_font->draw_to_buffer(pixels, w, h, x, y, str, c, fonts::LARGE_SIZE);
return;
}
uint32_t px = c.to_pixel();
for (int i = 0; str[i] && x + (i + 1) * FONT_WIDTH * 2 <= w; i++) {
const uint8_t* glyph = &font_data[(unsigned char)str[i] * FONT_HEIGHT];
int cx = x + i * FONT_WIDTH * 2;
for (int fy = 0; fy < FONT_HEIGHT; fy++) {
uint8_t bits = glyph[fy];
for (int fx = 0; fx < FONT_WIDTH; fx++) {
if (bits & (0x80 >> fx)) {
int dx = cx + fx * 2;
int dy = y + fy * 2;
for (int sy = 0; sy < 2; sy++)
for (int sx = 0; sx < 2; sx++) {
int pdx = dx + sx;
int pdy = dy + sy;
if (pdx >= 0 && pdx < w && pdy >= 0 && pdy < h)
pixels[pdy * w + pdx] = px;
}
}
}
}
}
}
programs/include/montauk/syscall.h
+3
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@@ -292,6 +292,9 @@ namespace montauk {
inline void* dlsym(int handle, uint64_t symbolOffset) {
return (void*)syscall2(Montauk::SYS_DLSYM, (uint64_t)handle, symbolOffset);
}
inline uint64_t get_libbase(int handle) {
return (uint64_t)syscall1(Montauk::SYS_GETLIBBASE, (uint64_t)handle);
}
// Process management
inline void waitpid(int pid) { syscall1(Montauk::SYS_WAITPID, (uint64_t)pid); }