45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
#include "../include/graphics.h"
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unsigned int vesa_fb_width, vesa_fb_height, vesa_fb_bpp, vesa_fb_pitch;
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uint8_t *vesa_fb_addr;
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extern int status;
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void putPix(unsigned int x, unsigned int y, uint32_t color) {
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if (status != 1)
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return;
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color_rgba col;
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col.r = color >> 16;
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col.g = color >> 8;
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col.b = color;
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col.a = 0xFF;
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if (x >= vesa_fb_width || y >= vesa_fb_height)
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return;
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unsigned where = x * (vesa_fb_bpp / 8) + y * vesa_fb_pitch;
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vesa_fb_addr[where + 0] = col.b;
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vesa_fb_addr[where + 1] = col.g;
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vesa_fb_addr[where + 2] = col.r;
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}
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void initVBE(multiboot_t *mboot) {
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vesa_fb_addr = (uint8_t * )(
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int)(mboot->framebuffer_addr);
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vesa_fb_pitch = mboot->framebuffer_pitch;
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vesa_fb_bpp = mboot->framebuffer_bpp;
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vesa_fb_width = mboot->framebuffer_width;
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vesa_fb_height = mboot->framebuffer_height;
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printf("[\035VBE driver\036]: Framebuffer address: 0x%08x\n",vesa_fb_addr);
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printf("[\035VBE driver\036]: Screen Size: width:%d - height:%d\n",mboot->framebuffer_width,mboot->framebuffer_height);
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// TODO: insert into devtable
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}
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void vbe_putchar(char c) {
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}
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void vbe_clear() {
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}
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