\r
Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r
\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
-#include <IndustryStandard/VmwareSvga.h>\r
#include "Qemu.h"\r
\r
\r
return EFI_SUCCESS;\r
}\r
\r
-EFI_STATUS\r
-QemuVideoVmwareSvgaModeSetup (\r
- QEMU_VIDEO_PRIVATE_DATA *Private\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINT32 FbSize;\r
- UINT32 MaxWidth, MaxHeight;\r
- UINT32 Capabilities;\r
- UINT32 BitsPerPixel;\r
- UINT32 Index;\r
- QEMU_VIDEO_MODE_DATA *ModeData;\r
- QEMU_VIDEO_BOCHS_MODES *VideoMode;\r
- EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *ModeInfo;\r
-\r
- VmwareSvgaWrite (Private, VmwareSvgaRegEnable, 0);\r
-\r
- Private->ModeData =\r
- AllocatePool (sizeof (Private->ModeData[0]) * QEMU_VIDEO_BOCHS_MODE_COUNT);\r
- if (Private->ModeData == NULL) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
- goto ModeDataAllocError;\r
- }\r
-\r
- Private->VmwareSvgaModeInfo =\r
- AllocatePool (\r
- sizeof (Private->VmwareSvgaModeInfo[0]) * QEMU_VIDEO_BOCHS_MODE_COUNT\r
- );\r
- if (Private->VmwareSvgaModeInfo == NULL) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
- goto ModeInfoAllocError;\r
- }\r
-\r
- FbSize = VmwareSvgaRead (Private, VmwareSvgaRegFbSize);\r
- MaxWidth = VmwareSvgaRead (Private, VmwareSvgaRegMaxWidth);\r
- MaxHeight = VmwareSvgaRead (Private, VmwareSvgaRegMaxHeight);\r
- Capabilities = VmwareSvgaRead (Private, VmwareSvgaRegCapabilities);\r
- if ((Capabilities & VMWARE_SVGA_CAP_8BIT_EMULATION) != 0) {\r
- BitsPerPixel = VmwareSvgaRead (\r
- Private,\r
- VmwareSvgaRegHostBitsPerPixel\r
- );\r
- VmwareSvgaWrite (\r
- Private,\r
- VmwareSvgaRegBitsPerPixel,\r
- BitsPerPixel\r
- );\r
- } else {\r
- BitsPerPixel = VmwareSvgaRead (\r
- Private,\r
- VmwareSvgaRegBitsPerPixel\r
- );\r
- }\r
-\r
- if (FbSize == 0 ||\r
- MaxWidth == 0 ||\r
- MaxHeight == 0 ||\r
- BitsPerPixel == 0 ||\r
- BitsPerPixel % 8 != 0) {\r
- Status = EFI_DEVICE_ERROR;\r
- goto Rollback;\r
- }\r
-\r
- ModeData = Private->ModeData;\r
- ModeInfo = Private->VmwareSvgaModeInfo;\r
- VideoMode = &QemuVideoBochsModes[0];\r
- for (Index = 0; Index < QEMU_VIDEO_BOCHS_MODE_COUNT; Index++) {\r
- UINTN RequiredFbSize;\r
-\r
- RequiredFbSize = (UINTN) VideoMode->Width * VideoMode->Height *\r
- (BitsPerPixel / 8);\r
- if (RequiredFbSize <= FbSize &&\r
- VideoMode->Width <= MaxWidth &&\r
- VideoMode->Height <= MaxHeight) {\r
- UINT32 BytesPerLine;\r
- UINT32 RedMask, GreenMask, BlueMask, PixelMask;\r
-\r
- VmwareSvgaWrite (\r
- Private,\r
- VmwareSvgaRegWidth,\r
- VideoMode->Width\r
- );\r
- VmwareSvgaWrite (\r
- Private,\r
- VmwareSvgaRegHeight,\r
- VideoMode->Height\r
- );\r
-\r
- ModeData->InternalModeIndex = Index;\r
- ModeData->HorizontalResolution = VideoMode->Width;\r
- ModeData->VerticalResolution = VideoMode->Height;\r
- ModeData->ColorDepth = BitsPerPixel;\r
-\r
- //\r
- // Setting VmwareSvgaRegWidth/VmwareSvgaRegHeight actually changes\r
- // the device's display mode, so we save all properties of each mode up\r
- // front to avoid inadvertent mode changes later.\r
- //\r
- ModeInfo->Version = 0;\r
- ModeInfo->HorizontalResolution = ModeData->HorizontalResolution;\r
- ModeInfo->VerticalResolution = ModeData->VerticalResolution;\r
-\r
- ModeInfo->PixelFormat = PixelBitMask;\r
-\r
- RedMask = VmwareSvgaRead (Private, VmwareSvgaRegRedMask);\r
- ModeInfo->PixelInformation.RedMask = RedMask;\r
-\r
- GreenMask = VmwareSvgaRead (Private, VmwareSvgaRegGreenMask);\r
- ModeInfo->PixelInformation.GreenMask = GreenMask;\r
-\r
- BlueMask = VmwareSvgaRead (Private, VmwareSvgaRegBlueMask);\r
- ModeInfo->PixelInformation.BlueMask = BlueMask;\r
-\r
- //\r
- // Reserved mask is whatever bits in the pixel not containing RGB data,\r
- // so start with binary 1s for every bit in the pixel, then mask off\r
- // bits already used for RGB. Special case 32 to avoid undefined\r
- // behaviour in the shift.\r
- //\r
- if (BitsPerPixel == 32) {\r
- if (BlueMask == 0xff && GreenMask == 0xff00 && RedMask == 0xff0000) {\r
- ModeInfo->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;\r
- } else if (BlueMask == 0xff0000 &&\r
- GreenMask == 0xff00 &&\r
- RedMask == 0xff) {\r
- ModeInfo->PixelFormat = PixelRedGreenBlueReserved8BitPerColor;\r
- }\r
- PixelMask = MAX_UINT32;\r
- } else {\r
- PixelMask = (1u << BitsPerPixel) - 1;\r
- }\r
- ModeInfo->PixelInformation.ReservedMask =\r
- PixelMask & ~(RedMask | GreenMask | BlueMask);\r
-\r
- BytesPerLine = VmwareSvgaRead (Private, VmwareSvgaRegBytesPerLine);\r
- ModeInfo->PixelsPerScanLine = BytesPerLine / (BitsPerPixel / 8);\r
-\r
- ModeData++;\r
- ModeInfo++;\r
- }\r
- VideoMode++;\r
- }\r
- Private->MaxMode = ModeData - Private->ModeData;\r
- return EFI_SUCCESS;\r
-\r
-Rollback:\r
- FreePool (Private->VmwareSvgaModeInfo);\r
- Private->VmwareSvgaModeInfo = NULL;\r
-\r
-ModeInfoAllocError:\r
- FreePool (Private->ModeData);\r
- Private->ModeData = NULL;\r
-\r
-ModeDataAllocError:\r
- return Status;\r
-}\r
projects / mirror_edk2.git / blobdiff