diff options
Diffstat (limited to 'kernel/main.c')
| -rw-r--r-- | kernel/main.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/kernel/main.c b/kernel/main.c index dd05880..336b31c 100644 --- a/kernel/main.c +++ b/kernel/main.c @@ -55,18 +55,34 @@ void main(struct multiboot_info_t *hdr, uint32_t magic) if(gfx_status) { - for(int i=0;i<100000;++i) + int startpix = *current_tick; + for(int i=0;i<1000000;++i) { int rx = rand() % *gfx_width; int ry = rand() % *gfx_height; gfx_drawpixel(rx, ry, rand() % 0xFFFFFF); } - int start = *current_tick; - for(int i=0;i<1000;++i) - gfx_clear(0xff00ff); - int end = *current_tick; - printf("ticks for 1000 fills: %x\n", end-start); + int endpix = *current_tick; + int startfill = *current_tick; + for(int i=0;i<100;++i) + gfx_clear(rand() % 0xFFFFFF); + int endfill = *current_tick; + + int starttext = *current_tick; + for(int i=0;i<1000000;++i) + { + int rx = rand() % *gfx_width; + int ry = rand() % *gfx_height; + gfx_drawchar(rx, ry, 'A', VGA_RGBPACK(0xff, 0xff, 0xff), 0); + } + int endtext = *current_tick; + gfx_reset(); + printf("--- Graphics benchmark results ---\n"); + printf("Ticks for 1,000,000 random pixels: %d\n", endpix-startpix); + printf("Ticks for 100 random fills: %d\n", endfill-startfill); + printf("Ticks for 1,000,000 chars: %d\n", endtext-starttext); + printf("Resolution: %dx%dx%d\n", *gfx_width, *gfx_height, *gfx_bpp * 8); } printf("Testing keyboard LED's...\n"); |