OptionRomPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / OptionRomPkg / Application / BltLibSample / BltLibSample.c

/** @file\r
  Example program using BltLib\r
\r
  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Uefi.h>\r
#include <Library/BltLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/UefiApplicationEntryPoint.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
\r
\r
UINT64\r
ReadTimestamp (\r
  VOID\r
  )\r
{\r
#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)\r
  return AsmReadTsc ();\r
#else\r
#error ReadTimestamp not supported for this architecture!\r
#endif\r
}\r
\r
UINT32\r
Rand32 (\r
  VOID\r
  )\r
{\r
  UINTN    Found;\r
  INTN     Bits;\r
  UINT64   Tsc1;\r
  UINT64   Tsc2;\r
  UINT64   TscBits;\r
  UINT32   R32;\r
\r
  R32 = 0;\r
  Found = 0;\r
  Tsc1 = ReadTimestamp ();\r
  Tsc2 = ReadTimestamp ();\r
  do {\r
    Tsc2 = ReadTimestamp ();\r
    TscBits = Tsc2 ^ Tsc1;\r
    Bits = HighBitSet64 (TscBits);\r
    if (Bits > 0) {\r
      Bits = Bits - 1;\r
    }\r
    R32 = (UINT32)((R32 << Bits) |\r
                   RShiftU64 (LShiftU64 (TscBits, (UINTN) (64 - Bits)), (UINTN) (64 - Bits)));\r
    Found = Found + Bits;\r
  } while (Found < 32);\r
\r
  return R32;\r
}\r
\r
\r
VOID\r
TestFills (\r
  VOID\r
  )\r
{\r
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL  Color;\r
  UINTN                          Loop;\r
  UINTN                          X;\r
  UINTN                          Y;\r
  UINTN                          W;\r
  UINTN                          H;\r
  UINTN                          Width;\r
  UINTN                          Height;\r
\r
  BltLibGetSizes (&Width, &Height);\r
  for (Loop = 0; Loop < 10000; Loop++) {\r
    W = Width - (Rand32 () % Width);\r
    H = Height - (Rand32 () % Height);\r
    if (W != Width) {\r
      X = Rand32 () % (Width - W);\r
    } else {\r
      X = 0;\r
    }\r
    if (H != Height) {\r
      Y = Rand32 () % (Height - H);\r
    } else {\r
      Y = 0;\r
    }\r
    *(UINT32*) (&Color) = Rand32 () & 0xffffff;\r
    BltLibVideoFill (&Color, X, Y, W, H);\r
  }\r
}\r
\r
\r
VOID\r
TestColor1 (\r
  VOID\r
  )\r
{\r
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL  Color;\r
  UINTN                          X;\r
  UINTN                          Y;\r
  UINTN                          Width;\r
  UINTN                          Height;\r
\r
  BltLibGetSizes (&Width, &Height);\r
  *(UINT32*) (&Color) = 0;\r
\r
  for (Y = 0; Y < Height; Y++) {\r
    for (X = 0; X < Width; X++) {\r
      Color.Red =   (UINT8) ((X * 0x100) / Width);\r
      Color.Green = (UINT8) ((Y * 0x100) / Height);\r
      Color.Blue =  (UINT8) ((Y * 0x100) / Height);\r
      BltLibVideoFill (&Color, X, Y, 1, 1);\r
    }\r
  }\r
}\r
\r
\r
UINT32\r
Uint32SqRt (\r
  IN  UINT32  Uint32\r
  )\r
{\r
  UINT32 Mask;\r
  UINT32 SqRt;\r
  UINT32 SqRtMask;\r
  UINT32 Squared;\r
\r
  if (Uint32 == 0) {\r
    return 0;\r
  }\r
\r
  for (SqRt = 0, Mask = (UINT32) (1 << (HighBitSet32 (Uint32) / 2));\r
       Mask != 0;\r
       Mask = Mask >> 1\r
      ) {\r
    SqRtMask = SqRt | Mask;\r
    //DEBUG ((EFI_D_INFO, "Uint32=0x%x SqRtMask=0x%x\n", Uint32, SqRtMask));\r
    Squared = (UINT32) (SqRtMask * SqRtMask);\r
    if (Squared > Uint32) {\r
      continue;\r
    } else if (Squared < Uint32) {\r
      SqRt = SqRtMask;\r
    } else {\r
      return SqRtMask;\r
    }\r
  }\r
\r
  return SqRt;\r
}\r
\r
\r
UINT32\r
Uint32Dist (\r
  IN UINTN X,\r
  IN UINTN Y\r
  )\r
{\r
  return Uint32SqRt ((UINT32) ((X * X) + (Y * Y)));\r
}\r
\r
UINT8\r
GetTriColor (\r
  IN UINTN ColorDist,\r
  IN UINTN TriWidth\r
  )\r
{\r
  return (UINT8) (((TriWidth - ColorDist) * 0x100) / TriWidth);\r
  //return (((TriWidth * TriWidth - ColorDist * ColorDist) * 0x100) / (TriWidth * TriWidth));\r
}\r
\r
VOID\r
TestColor (\r
  VOID\r
  )\r
{\r
  EFI_GRAPHICS_OUTPUT_BLT_PIXEL  Color;\r
  UINTN                          X, Y;\r
  UINTN                          X1, X2, X3;\r
  UINTN                          Y1, Y2;\r
  UINTN                          LineWidth, TriWidth, ScreenWidth;\r
  UINTN                          TriHeight, ScreenHeight;\r
  UINT32                         ColorDist;\r
\r
  BltLibGetSizes (&ScreenWidth, &ScreenHeight);\r
  *(UINT32*) (&Color) = 0;\r
  BltLibVideoFill (&Color, 0, 0, ScreenWidth, ScreenHeight);\r
\r
  TriWidth = (UINTN) DivU64x32 (\r
                       MultU64x32 (11547005, (UINT32) ScreenHeight),\r
                       10000000\r
                       );\r
  TriHeight = (UINTN) DivU64x32 (\r
                        MultU64x32 (8660254, (UINT32) ScreenWidth),\r
                        10000000\r
                        );\r
  if (TriWidth > ScreenWidth) {\r
    DEBUG ((EFI_D_INFO, "TriWidth at %d was too big\n", TriWidth));\r
    TriWidth = ScreenWidth;\r
  } else if (TriHeight > ScreenHeight) {\r
    DEBUG ((EFI_D_INFO, "TriHeight at %d was too big\n", TriHeight));\r
    TriHeight = ScreenHeight;\r
  }\r
\r
  DEBUG ((EFI_D_INFO, "Triangle Width: %d; Height: %d\n", TriWidth, TriHeight));\r
\r
  X1 = (ScreenWidth - TriWidth) / 2;\r
  X3 = X1 + TriWidth - 1;\r
  X2 = (X1 + X3) / 2;\r
  Y2 = (ScreenHeight - TriHeight) / 2;\r
  Y1 = Y2 + TriHeight - 1;\r
\r
  for (Y = Y2; Y <= Y1; Y++) {\r
    LineWidth =\r
      (UINTN) DivU64x32 (\r
                MultU64x32 (11547005, (UINT32) (Y - Y2)),\r
                20000000\r
                );\r
    for (X = X2 - LineWidth; X < (X2 + LineWidth); X++) {\r
      ColorDist = Uint32Dist(X - X1, Y1 - Y);\r
      Color.Red = GetTriColor (ColorDist, TriWidth);\r
\r
      ColorDist = Uint32Dist((X < X2) ? X2 - X : X - X2, Y - Y2);\r
      Color.Green = GetTriColor (ColorDist, TriWidth);\r
\r
      ColorDist = Uint32Dist(X3 - X, Y1 - Y);\r
      Color.Blue = GetTriColor (ColorDist, TriWidth);\r
\r
      BltLibVideoFill (&Color, X, Y, 1, 1);\r
    }\r
  }\r
}\r
\r
\r
/**\r
  The user Entry Point for Application. The user code starts with this function\r
  as the real entry point for the application.\r
\r
  @param[in] ImageHandle    The firmware allocated handle for the EFI image.\r
  @param[in] SystemTable    A pointer to the EFI System Table.\r
\r
  @retval EFI_SUCCESS       The entry point is executed successfully.\r
  @retval other             Some error occurs when executing this entry point.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
UefiMain (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS                     Status;\r
  EFI_GRAPHICS_OUTPUT_PROTOCOL   *Gop;\r
\r
  Status = gBS->HandleProtocol (\r
                  gST->ConsoleOutHandle,\r
                  &gEfiGraphicsOutputProtocolGuid,\r
                  (VOID **) &Gop\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  Status = BltLibConfigure (\r
             (VOID*)(UINTN) Gop->Mode->FrameBufferBase,\r
             Gop->Mode->Info\r
             );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  TestFills ();\r
\r
  TestColor ();\r
\r
  return EFI_SUCCESS;\r
}\r