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Fix: framebuffer draw_char

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xamidev
2024-08-19 21:04:16 +02:00
parent 1ebed970c8
commit 98d3d346c2
6 changed files with 90 additions and 568 deletions
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20
src/kernel/kmain.c
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@@ -41,6 +41,9 @@ uint32_t white = 0xFFFFFFFF;
uint32_t black = 0x00000000;
uint32_t red = 0x00FF0000;
uint32_t* framebuffer;
int scanline;
void kmain(multiboot2_info *mb_info)
{
@@ -68,25 +71,32 @@ serial_printf(3, "Framebuffer BPP: %u\r\n", fb_info->framebuffer_bpp);
if (fb_info) {
log("Entered fb_info\r\n", 3);
uint32_t* framebuffer = (uint32_t *)(uintptr_t) fb_info->framebuffer_addr;
framebuffer = (uint32_t *)(uintptr_t) fb_info->framebuffer_addr;
uint32_t width = fb_info->framebuffer_width;
uint32_t height = fb_info->framebuffer_height;
uint32_t pitch = fb_info->framebuffer_pitch;
uint32_t bpp = fb_info->framebuffer_bpp;
scanline = width * (bpp/8);
draw_char('S', 2, 2, white, black);
draw_char('A', 3, 2, white, black);
draw_char('L', 4, 2, white, black);
draw_char('U', 5, 2, white, black);
draw_char('T', 6, 2, white, black);
int y_offset = 0;
for (int c=0; c<512; c++)
{
draw_char(framebuffer, (int)pitch, (int)bpp, 20+(c-65)*16, 110+y_offset, c, white, black);
//draw_char(framebuffer, (int)pitch, (int)bpp, 20+(c-65)*16, 110+y_offset, c, white, black);
if (c%100 == 0) y_offset += 30;
}
for (uint32_t y = 0; y < 100; y++) {
for (uint32_t x = 0; x < 100; x++) {
for (uint32_t y = 0; y < 10; y++) {
for (uint32_t x = 0; x < 10; x++) {
putpixel(framebuffer, (int)pitch, (int)bpp, x, y, red);
//framebuffer[y * (pitch / 4) + x] = 0xFF0000; // Rouge
}