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Monorepo for Aesthetic.Computer aesthetic.computer
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C
123456789101112131415161718192021222324252627282930313233343536373839#include <efi.h>#include <efilib.h>
EFI_STATUSEFIAPIefi_main(EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) { InitializeLib(ImageHandle, SystemTable); EFI_GRAPHICS_OUTPUT_PROTOCOL *gop; EFI_STATUS status;
// Locate the graphics output protocol status = uefi_call_wrapper(BS->LocateProtocol, 3, &GraphicsOutputProtocol, NULL, (void **)&gop); if (EFI_ERROR(status)) { Print(L"Unable to locate GOP\n"); return status; }
// Assume the display is at least 200px tall and wide for simplicity UINTN line_length = 200; for (UINTN i = 0; i < line_length; i++) { // Calculate the position to set the pixel UINTN x = i; UINTN y = i; UINT32 color = 0x00FFFF00; // Yellow in RGB reserved format
// Draw the pixel UINTN pos = x + (y * gop->Mode->Info->PixelsPerScanLine); ((UINT32 *)gop->Mode->FrameBufferBase)[pos] = color; }
// Wait for key press before exiting SystemTable->ConIn->Reset(SystemTable->ConIn, FALSE); EFI_INPUT_KEY Key; while ((SystemTable->ConIn->ReadKeyStroke(SystemTable->ConIn, &Key)) == EFI_NOT_READY);
return EFI_SUCCESS;}