+++ /dev/null
-/** @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
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