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b1ca386074
This library provides interfaces to perform UEFI Graphics Output Protocol Video BLT operations. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com> Cc: Justen Jordan <jordan.l.justen@intel.com> Tested-by: Laszlo Ersek <lersek at redhat.com>
705 lines
25 KiB
C
705 lines
25 KiB
C
/** @file
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FrameBufferBltLib - Library to perform blt operations on a frame buffer.
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Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Uefi/UefiBaseType.h>
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#include <Protocol/GraphicsOutput.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/FrameBufferBltLib.h>
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struct FRAME_BUFFER_CONFIGURE {
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UINTN ColorDepth;
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UINTN WidthInBytes;
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UINTN BytesPerPixel;
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UINTN WidthInPixels;
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UINTN Height;
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UINT8 LineBuffer[SIZE_4KB * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)];
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UINT8 *FrameBuffer;
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EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
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EFI_PIXEL_BITMASK PixelMasks;
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INTN PixelShl[4]; // R-G-B-Rsvd
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INTN PixelShr[4]; // R-G-B-Rsvd
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};
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CONST EFI_PIXEL_BITMASK mRgbPixelMasks = {
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0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000
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};
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CONST EFI_PIXEL_BITMASK mBgrPixelMasks = {
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0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000
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};
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/**
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Initialize the bit mask in frame buffer configure.
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@param Configure The frame buffer configure.
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@param BitMask The bit mask of pixel.
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**/
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VOID
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ConfigurePixelBitMaskFormat (
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IN FRAME_BUFFER_CONFIGURE *Configure,
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IN CONST EFI_PIXEL_BITMASK *BitMask
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)
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{
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UINTN Loop;
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UINT32 *Masks;
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UINT32 MergedMasks;
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MergedMasks = 0;
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Masks = (UINT32*) BitMask;
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for (Loop = 0; Loop < 3; Loop++) {
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ASSERT ((Loop == 3) || (Masks[Loop] != 0));
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ASSERT ((MergedMasks & Masks[Loop]) == 0);
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Configure->PixelShl[Loop] = HighBitSet32 (Masks[Loop]) - 23 + (Loop * 8);
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if (Configure->PixelShl[Loop] < 0) {
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Configure->PixelShr[Loop] = -Configure->PixelShl[Loop];
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Configure->PixelShl[Loop] = 0;
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} else {
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Configure->PixelShr[Loop] = 0;
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}
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MergedMasks = (UINT32) (MergedMasks | Masks[Loop]);
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DEBUG ((EFI_D_VERBOSE, "%d: shl:%d shr:%d mask:%x\n", Loop,
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Configure->PixelShl[Loop], Configure->PixelShr[Loop], Masks[Loop]));
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}
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MergedMasks = (UINT32) (MergedMasks | Masks[3]);
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ASSERT (MergedMasks != 0);
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Configure->BytesPerPixel = (UINTN) ((HighBitSet32 (MergedMasks) + 7) / 8);
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DEBUG ((EFI_D_VERBOSE, "Bytes per pixel: %d\n", Configure->BytesPerPixel));
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CopyMem (&Configure->PixelMasks, BitMask, sizeof (*BitMask));
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}
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/**
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Create the configuration for a video frame buffer.
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The configuration is returned in the caller provided buffer.
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@param[in] FrameBuffer Pointer to the start of the frame buffer.
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@param[in] FrameBufferInfo Describes the frame buffer characteristics.
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@param[in,out] Configure The created configuration information.
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@param[in,out] ConfigureSize Size of the configuration information.
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@retval RETURN_SUCCESS The configuration was successful created.
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@retval RETURN_BUFFER_TOO_SMALL The Configure is to too small. The required
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size is returned in ConfigureSize.
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@retval RETURN_UNSUPPORTED The requested mode is not supported by
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this implementaion.
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**/
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RETURN_STATUS
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EFIAPI
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FrameBufferBltConfigure (
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IN VOID *FrameBuffer,
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IN EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *FrameBufferInfo,
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IN OUT FRAME_BUFFER_CONFIGURE *Configure,
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IN OUT UINTN *ConfigureSize
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)
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{
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if (ConfigureSize == NULL) {
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return RETURN_INVALID_PARAMETER;
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}
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if (*ConfigureSize < sizeof (FRAME_BUFFER_CONFIGURE)) {
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*ConfigureSize = sizeof (FRAME_BUFFER_CONFIGURE);
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return RETURN_BUFFER_TOO_SMALL;
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}
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if (Configure == NULL) {
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return RETURN_INVALID_PARAMETER;
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}
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switch (FrameBufferInfo->PixelFormat) {
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case PixelRedGreenBlueReserved8BitPerColor:
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ConfigurePixelBitMaskFormat (Configure, &mRgbPixelMasks);
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break;
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case PixelBlueGreenRedReserved8BitPerColor:
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ConfigurePixelBitMaskFormat (Configure, &mBgrPixelMasks);
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break;
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case PixelBitMask:
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ConfigurePixelBitMaskFormat (Configure, &(FrameBufferInfo->PixelInformation));
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break;
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case PixelBltOnly:
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ASSERT (FrameBufferInfo->PixelFormat != PixelBltOnly);
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return RETURN_UNSUPPORTED;
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default:
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ASSERT (FALSE);
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return RETURN_INVALID_PARAMETER;
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}
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Configure->PixelFormat = FrameBufferInfo->PixelFormat;
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Configure->FrameBuffer = (UINT8*) FrameBuffer;
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Configure->WidthInPixels = (UINTN) FrameBufferInfo->HorizontalResolution;
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Configure->Height = (UINTN) FrameBufferInfo->VerticalResolution;
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Configure->WidthInBytes = Configure->WidthInPixels * Configure->BytesPerPixel;
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ASSERT (Configure->WidthInBytes < sizeof (Configure->LineBuffer));
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return RETURN_SUCCESS;
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}
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/**
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Performs a UEFI Graphics Output Protocol Blt Video Fill.
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@param[in] Configure Pointer to a configuration which was successfully
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created by FrameBufferBltConfigure ().
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@param[in] Color Color to fill the region with.
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@param[in] DestinationX X location to start fill operation.
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@param[in] DestinationY Y location to start fill operation.
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@param[in] Width Width (in pixels) to fill.
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@param[in] Height Height to fill.
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@retval RETURN_INVALID_PARAMETER Invalid parameter was passed in.
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@retval RETURN_SUCCESS The video was filled successfully.
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**/
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EFI_STATUS
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FrameBufferBltLibVideoFill (
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IN FRAME_BUFFER_CONFIGURE *Configure,
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Color,
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IN UINTN DestinationX,
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IN UINTN DestinationY,
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IN UINTN Width,
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IN UINTN Height
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)
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{
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UINTN IndexX;
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UINTN IndexY;
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UINT8 *Destination;
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UINT8 Uint8;
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UINT32 Uint32;
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UINT64 WideFill;
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BOOLEAN UseWideFill;
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BOOLEAN LineBufferReady;
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UINTN Offset;
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UINTN WidthInBytes;
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UINTN SizeInBytes;
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//
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// BltBuffer to Video: Source is BltBuffer, destination is Video
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//
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if (DestinationY + Height > Configure->Height) {
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DEBUG ((EFI_D_VERBOSE, "VideoFill: Past screen (Y)\n"));
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return RETURN_INVALID_PARAMETER;
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}
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if (DestinationX + Width > Configure->WidthInPixels) {
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DEBUG ((EFI_D_VERBOSE, "VideoFill: Past screen (X)\n"));
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return RETURN_INVALID_PARAMETER;
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}
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if (Width == 0 || Height == 0) {
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DEBUG ((EFI_D_VERBOSE, "VideoFill: Width or Height is 0\n"));
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return RETURN_INVALID_PARAMETER;
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}
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WidthInBytes = Width * Configure->BytesPerPixel;
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Uint32 = *(UINT32*) Color;
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WideFill =
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(UINT32) (
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(((Uint32 << Configure->PixelShl[0]) >> Configure->PixelShr[0]) &
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Configure->PixelMasks.RedMask) |
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(((Uint32 << Configure->PixelShl[1]) >> Configure->PixelShr[1]) &
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Configure->PixelMasks.GreenMask) |
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(((Uint32 << Configure->PixelShl[2]) >> Configure->PixelShr[2]) &
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Configure->PixelMasks.BlueMask)
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);
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DEBUG ((EFI_D_VERBOSE, "VideoFill: color=0x%x, wide-fill=0x%x\n",
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Uint32, WideFill));
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//
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// If the size of the pixel data evenly divides the sizeof
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// WideFill, then a wide fill operation can be used
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//
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UseWideFill = TRUE;
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if ((sizeof (WideFill) % Configure->BytesPerPixel) == 0) {
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for (IndexX = Configure->BytesPerPixel; IndexX < sizeof (WideFill); IndexX++) {
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((UINT8*) &WideFill)[IndexX] = ((UINT8*) &WideFill)[IndexX % Configure->BytesPerPixel];
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}
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} else {
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//
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// If all the bytes in the pixel are the same value, then use
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// a wide fill operation.
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//
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for (
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IndexX = 1, Uint8 = ((UINT8*) &WideFill)[0];
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IndexX < Configure->BytesPerPixel;
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IndexX++) {
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if (Uint8 != ((UINT8*) &WideFill)[IndexX]) {
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UseWideFill = FALSE;
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break;
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}
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}
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if (UseWideFill) {
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SetMem (&WideFill, sizeof (WideFill), Uint8);
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}
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}
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if (UseWideFill && (DestinationX == 0) && (Width == Configure->WidthInPixels)) {
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DEBUG ((EFI_D_VERBOSE, "VideoFill (wide, one-shot)\n"));
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Offset = DestinationY * Configure->WidthInPixels;
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Offset = Configure->BytesPerPixel * Offset;
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Destination = Configure->FrameBuffer + Offset;
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SizeInBytes = WidthInBytes * Height;
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if (SizeInBytes >= 8) {
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SetMem32 (Destination, SizeInBytes & ~3, (UINT32) WideFill);
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SizeInBytes &= 3;
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}
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if (SizeInBytes > 0) {
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SetMem (Destination, SizeInBytes, (UINT8) (UINTN) WideFill);
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}
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} else {
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LineBufferReady = FALSE;
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for (IndexY = DestinationY; IndexY < (Height + DestinationY); IndexY++) {
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Offset = (IndexY * Configure->WidthInPixels) + DestinationX;
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Offset = Configure->BytesPerPixel * Offset;
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Destination = Configure->FrameBuffer + Offset;
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if (UseWideFill && (((UINTN) Destination & 7) == 0)) {
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DEBUG ((EFI_D_VERBOSE, "VideoFill (wide)\n"));
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SizeInBytes = WidthInBytes;
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if (SizeInBytes >= 8) {
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SetMem64 (Destination, SizeInBytes & ~7, WideFill);
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SizeInBytes &= 7;
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}
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if (SizeInBytes > 0) {
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CopyMem (Destination, &WideFill, SizeInBytes);
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}
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} else {
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DEBUG ((EFI_D_VERBOSE, "VideoFill (not wide)\n"));
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if (!LineBufferReady) {
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CopyMem (Configure->LineBuffer, &WideFill, Configure->BytesPerPixel);
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for (IndexX = 1; IndexX < Width; ) {
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CopyMem (
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(Configure->LineBuffer + (IndexX * Configure->BytesPerPixel)),
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Configure->LineBuffer,
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MIN (IndexX, Width - IndexX) * Configure->BytesPerPixel
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);
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IndexX += MIN (IndexX, Width - IndexX);
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}
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LineBufferReady = TRUE;
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}
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CopyMem (Destination, Configure->LineBuffer, WidthInBytes);
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}
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}
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}
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return RETURN_SUCCESS;
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}
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/**
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Performs a UEFI Graphics Output Protocol Blt Video to Buffer operation
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with extended parameters.
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@param[in] Configure Pointer to a configuration which was successfully
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created by FrameBufferBltConfigure ().
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@param[out] BltBuffer Output buffer for pixel color data.
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@param[in] SourceX X location within video.
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@param[in] SourceY Y location within video.
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@param[in] DestinationX X location within BltBuffer.
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@param[in] DestinationY Y location within BltBuffer.
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@param[in] Width Width (in pixels).
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@param[in] Height Height.
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@param[in] Delta Number of bytes in a row of BltBuffer.
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@retval RETURN_INVALID_PARAMETER Invalid parameter were passed in.
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@retval RETURN_SUCCESS The Blt operation was performed successfully.
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**/
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RETURN_STATUS
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FrameBufferBltLibVideoToBltBuffer (
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IN FRAME_BUFFER_CONFIGURE *Configure,
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OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer,
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IN UINTN SourceX,
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IN UINTN SourceY,
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IN UINTN DestinationX,
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IN UINTN DestinationY,
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IN UINTN Width,
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IN UINTN Height,
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IN UINTN Delta
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)
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{
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UINTN DstY;
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UINTN SrcY;
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EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
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UINT8 *Source;
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UINT8 *Destination;
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UINTN IndexX;
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UINT32 Uint32;
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UINTN Offset;
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UINTN WidthInBytes;
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//
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// Video to BltBuffer: Source is Video, destination is BltBuffer
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//
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if (SourceY + Height > Configure->Height) {
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return RETURN_INVALID_PARAMETER;
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}
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if (SourceX + Width > Configure->WidthInPixels) {
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return RETURN_INVALID_PARAMETER;
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}
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if (Width == 0 || Height == 0) {
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return RETURN_INVALID_PARAMETER;
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}
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//
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// If Delta is zero, then the entire BltBuffer is being used, so Delta is
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// the number of bytes in each row of BltBuffer. Since BltBuffer is Width
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// pixels size, the number of bytes in each row can be computed.
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//
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if (Delta == 0) {
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Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
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}
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WidthInBytes = Width * Configure->BytesPerPixel;
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//
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// Video to BltBuffer: Source is Video, destination is BltBuffer
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//
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for (SrcY = SourceY, DstY = DestinationY;
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DstY < (Height + DestinationY);
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SrcY++, DstY++) {
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Offset = (SrcY * Configure->WidthInPixels) + SourceX;
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Offset = Configure->BytesPerPixel * Offset;
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Source = Configure->FrameBuffer + Offset;
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if (Configure->PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {
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Destination = (UINT8 *) BltBuffer + (DstY * Delta) + (DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
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} else {
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Destination = Configure->LineBuffer;
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}
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CopyMem (Destination, Source, WidthInBytes);
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if (Configure->PixelFormat != PixelBlueGreenRedReserved8BitPerColor) {
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for (IndexX = 0; IndexX < Width; IndexX++) {
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Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)
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((UINT8 *) BltBuffer + (DstY * Delta) +
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(DestinationX + IndexX) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
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Uint32 = *(UINT32*) (Configure->LineBuffer + (IndexX * Configure->BytesPerPixel));
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*(UINT32*) Blt =
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(UINT32) (
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(((Uint32 & Configure->PixelMasks.RedMask) >>
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Configure->PixelShl[0]) << Configure->PixelShr[0]) |
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(((Uint32 & Configure->PixelMasks.GreenMask) >>
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Configure->PixelShl[1]) << Configure->PixelShr[1]) |
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(((Uint32 & Configure->PixelMasks.BlueMask) >>
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Configure->PixelShl[2]) << Configure->PixelShr[2])
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);
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}
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}
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}
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return RETURN_SUCCESS;
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}
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/**
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Performs a UEFI Graphics Output Protocol Blt Buffer to Video operation
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with extended parameters.
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@param[in] Configure Pointer to a configuration which was successfully
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created by FrameBufferBltConfigure ().
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@param[in] BltBuffer Output buffer for pixel color data.
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@param[in] SourceX X location within BltBuffer.
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@param[in] SourceY Y location within BltBuffer.
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@param[in] DestinationX X location within video.
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@param[in] DestinationY Y location within video.
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@param[in] Width Width (in pixels).
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@param[in] Height Height.
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@param[in] Delta Number of bytes in a row of BltBuffer.
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@retval RETURN_INVALID_PARAMETER Invalid parameter were passed in.
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@retval RETURN_SUCCESS The Blt operation was performed successfully.
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**/
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RETURN_STATUS
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FrameBufferBltLibBufferToVideo (
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IN FRAME_BUFFER_CONFIGURE *Configure,
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer,
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IN UINTN SourceX,
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IN UINTN SourceY,
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IN UINTN DestinationX,
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IN UINTN DestinationY,
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IN UINTN Width,
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IN UINTN Height,
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IN UINTN Delta
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)
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{
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UINTN DstY;
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UINTN SrcY;
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EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
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UINT8 *Source;
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UINT8 *Destination;
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UINTN IndexX;
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UINT32 Uint32;
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UINTN Offset;
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UINTN WidthInBytes;
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//
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// BltBuffer to Video: Source is BltBuffer, destination is Video
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//
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if (DestinationY + Height > Configure->Height) {
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return RETURN_INVALID_PARAMETER;
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}
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if (DestinationX + Width > Configure->WidthInPixels) {
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return RETURN_INVALID_PARAMETER;
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}
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if (Width == 0 || Height == 0) {
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return RETURN_INVALID_PARAMETER;
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}
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//
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// If Delta is zero, then the entire BltBuffer is being used, so Delta is
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// the number of bytes in each row of BltBuffer. Since BltBuffer is Width
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// pixels size, the number of bytes in each row can be computed.
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//
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if (Delta == 0) {
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Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
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}
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WidthInBytes = Width * Configure->BytesPerPixel;
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for (SrcY = SourceY, DstY = DestinationY;
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SrcY < (Height + SourceY);
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SrcY++, DstY++) {
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Offset = (DstY * Configure->WidthInPixels) + DestinationX;
|
|
Offset = Configure->BytesPerPixel * Offset;
|
|
Destination = Configure->FrameBuffer + Offset;
|
|
|
|
if (Configure->PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {
|
|
Source = (UINT8 *) BltBuffer + (SrcY * Delta);
|
|
} else {
|
|
for (IndexX = 0; IndexX < Width; IndexX++) {
|
|
Blt =
|
|
(EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) (
|
|
(UINT8 *) BltBuffer +
|
|
(SrcY * Delta) +
|
|
((SourceX + IndexX) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL))
|
|
);
|
|
Uint32 = *(UINT32*) Blt;
|
|
*(UINT32*) (Configure->LineBuffer + (IndexX * Configure->BytesPerPixel)) =
|
|
(UINT32) (
|
|
(((Uint32 << Configure->PixelShl[0]) >> Configure->PixelShr[0]) &
|
|
Configure->PixelMasks.RedMask) |
|
|
(((Uint32 << Configure->PixelShl[1]) >> Configure->PixelShr[1]) &
|
|
Configure->PixelMasks.GreenMask) |
|
|
(((Uint32 << Configure->PixelShl[2]) >> Configure->PixelShr[2]) &
|
|
Configure->PixelMasks.BlueMask)
|
|
);
|
|
}
|
|
Source = Configure->LineBuffer;
|
|
}
|
|
|
|
CopyMem (Destination, Source, WidthInBytes);
|
|
}
|
|
|
|
return RETURN_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Performs a UEFI Graphics Output Protocol Blt Video to Video operation
|
|
|
|
@param[in] Configure Pointer to a configuration which was successfully
|
|
created by FrameBufferBltConfigure ().
|
|
@param[in] SourceX X location within video.
|
|
@param[in] SourceY Y location within video.
|
|
@param[in] DestinationX X location within video.
|
|
@param[in] DestinationY Y location within video.
|
|
@param[in] Width Width (in pixels).
|
|
@param[in] Height Height.
|
|
|
|
@retval RETURN_INVALID_PARAMETER Invalid parameter were passed in.
|
|
@retval RETURN_SUCCESS The Blt operation was performed successfully.
|
|
**/
|
|
RETURN_STATUS
|
|
FrameBufferBltLibVideoToVideo (
|
|
IN FRAME_BUFFER_CONFIGURE *Configure,
|
|
IN UINTN SourceX,
|
|
IN UINTN SourceY,
|
|
IN UINTN DestinationX,
|
|
IN UINTN DestinationY,
|
|
IN UINTN Width,
|
|
IN UINTN Height
|
|
)
|
|
{
|
|
UINT8 *Source;
|
|
UINT8 *Destination;
|
|
UINTN Offset;
|
|
UINTN WidthInBytes;
|
|
INTN LineStride;
|
|
|
|
//
|
|
// Video to Video: Source is Video, destination is Video
|
|
//
|
|
if (SourceY + Height > Configure->Height) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (SourceX + Width > Configure->WidthInPixels) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (DestinationY + Height > Configure->Height) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (DestinationX + Width > Configure->WidthInPixels) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (Width == 0 || Height == 0) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
WidthInBytes = Width * Configure->BytesPerPixel;
|
|
|
|
Offset = (SourceY * Configure->WidthInPixels) + SourceX;
|
|
Offset = Configure->BytesPerPixel * Offset;
|
|
Source = Configure->FrameBuffer + Offset;
|
|
|
|
Offset = (DestinationY * Configure->WidthInPixels) + DestinationX;
|
|
Offset = Configure->BytesPerPixel * Offset;
|
|
Destination = Configure->FrameBuffer + Offset;
|
|
|
|
LineStride = Configure->WidthInBytes;
|
|
if (Destination > Source) {
|
|
//
|
|
// Copy from last line to avoid source is corrupted by copying
|
|
//
|
|
Source += Height * LineStride;
|
|
Destination += Height * LineStride;
|
|
LineStride = -LineStride;
|
|
}
|
|
|
|
while (Height-- > 0) {
|
|
CopyMem (Destination, Source, WidthInBytes);
|
|
|
|
Source += LineStride;
|
|
Destination += LineStride;
|
|
}
|
|
|
|
return RETURN_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Performs a UEFI Graphics Output Protocol Blt operation.
|
|
|
|
@param[in] Configure Pointer to a configuration which was successfully
|
|
created by FrameBufferBltConfigure ().
|
|
@param[in,out] BltBuffer The data to transfer to screen.
|
|
@param[in] BltOperation The operation to perform.
|
|
@param[in] SourceX The X coordinate of the source for BltOperation.
|
|
@param[in] SourceY The Y coordinate of the source for BltOperation.
|
|
@param[in] DestinationX The X coordinate of the destination for
|
|
BltOperation.
|
|
@param[in] DestinationY The Y coordinate of the destination for
|
|
BltOperation.
|
|
@param[in] Width The width of a rectangle in the blt rectangle
|
|
in pixels.
|
|
@param[in] Height The height of a rectangle in the blt rectangle
|
|
in pixels.
|
|
@param[in] Delta Not used for EfiBltVideoFill and
|
|
EfiBltVideoToVideo operation. If a Delta of 0
|
|
is used, the entire BltBuffer will be operated
|
|
on. If a subrectangle of the BltBuffer is
|
|
used, then Delta represents the number of
|
|
bytes in a row of the BltBuffer.
|
|
|
|
@retval RETURN_INVALID_PARAMETER Invalid parameter were passed in.
|
|
@retval RETURN_SUCCESS The Blt operation was performed successfully.
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
FrameBufferBlt (
|
|
IN FRAME_BUFFER_CONFIGURE *Configure,
|
|
IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
|
|
IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
|
|
IN UINTN SourceX,
|
|
IN UINTN SourceY,
|
|
IN UINTN DestinationX,
|
|
IN UINTN DestinationY,
|
|
IN UINTN Width,
|
|
IN UINTN Height,
|
|
IN UINTN Delta
|
|
)
|
|
{
|
|
if (Configure == NULL) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
switch (BltOperation) {
|
|
case EfiBltVideoToBltBuffer:
|
|
return FrameBufferBltLibVideoToBltBuffer (
|
|
Configure,
|
|
BltBuffer,
|
|
SourceX,
|
|
SourceY,
|
|
DestinationX,
|
|
DestinationY,
|
|
Width,
|
|
Height,
|
|
Delta
|
|
);
|
|
|
|
case EfiBltVideoToVideo:
|
|
return FrameBufferBltLibVideoToVideo (
|
|
Configure,
|
|
SourceX,
|
|
SourceY,
|
|
DestinationX,
|
|
DestinationY,
|
|
Width,
|
|
Height
|
|
);
|
|
|
|
case EfiBltVideoFill:
|
|
return FrameBufferBltLibVideoFill (
|
|
Configure,
|
|
BltBuffer,
|
|
DestinationX,
|
|
DestinationY,
|
|
Width,
|
|
Height
|
|
);
|
|
|
|
case EfiBltBufferToVideo:
|
|
return FrameBufferBltLibBufferToVideo (
|
|
Configure,
|
|
BltBuffer,
|
|
SourceX,
|
|
SourceY,
|
|
DestinationX,
|
|
DestinationY,
|
|
Width,
|
|
Height,
|
|
Delta
|
|
);
|
|
|
|
default:
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
}
|