1436aea4d5
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdeModulePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
739 lines
25 KiB
C
739 lines
25 KiB
C
/** @file
|
|
FrameBufferBltLib - Library to perform blt operations on a frame buffer.
|
|
|
|
Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <Uefi/UefiBaseType.h>
|
|
#include <Protocol/GraphicsOutput.h>
|
|
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/FrameBufferBltLib.h>
|
|
|
|
struct FRAME_BUFFER_CONFIGURE {
|
|
UINT32 PixelsPerScanLine;
|
|
UINT32 BytesPerPixel;
|
|
UINT32 Width;
|
|
UINT32 Height;
|
|
UINT8 *FrameBuffer;
|
|
EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
|
|
EFI_PIXEL_BITMASK PixelMasks;
|
|
INT8 PixelShl[4]; // R-G-B-Rsvd
|
|
INT8 PixelShr[4]; // R-G-B-Rsvd
|
|
UINT8 LineBuffer[0];
|
|
};
|
|
|
|
CONST EFI_PIXEL_BITMASK mRgbPixelMasks = {
|
|
0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000
|
|
};
|
|
|
|
CONST EFI_PIXEL_BITMASK mBgrPixelMasks = {
|
|
0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000
|
|
};
|
|
|
|
/**
|
|
Initialize the bit mask in frame buffer configure.
|
|
|
|
@param BitMask The bit mask of pixel.
|
|
@param BytesPerPixel Size in bytes of pixel.
|
|
@param PixelShl Left shift array.
|
|
@param PixelShr Right shift array.
|
|
**/
|
|
VOID
|
|
FrameBufferBltLibConfigurePixelFormat (
|
|
IN CONST EFI_PIXEL_BITMASK *BitMask,
|
|
OUT UINT32 *BytesPerPixel,
|
|
OUT INT8 *PixelShl,
|
|
OUT INT8 *PixelShr
|
|
)
|
|
{
|
|
UINT8 Index;
|
|
UINT32 *Masks;
|
|
UINT32 MergedMasks;
|
|
|
|
ASSERT (BytesPerPixel != NULL);
|
|
|
|
MergedMasks = 0;
|
|
Masks = (UINT32 *)BitMask;
|
|
for (Index = 0; Index < 3; Index++) {
|
|
ASSERT ((MergedMasks & Masks[Index]) == 0);
|
|
|
|
PixelShl[Index] = (INT8)HighBitSet32 (Masks[Index]) - 23 + (Index * 8);
|
|
if (PixelShl[Index] < 0) {
|
|
PixelShr[Index] = -PixelShl[Index];
|
|
PixelShl[Index] = 0;
|
|
} else {
|
|
PixelShr[Index] = 0;
|
|
}
|
|
|
|
DEBUG ((
|
|
DEBUG_INFO,
|
|
"%d: shl:%d shr:%d mask:%x\n",
|
|
Index,
|
|
PixelShl[Index],
|
|
PixelShr[Index],
|
|
Masks[Index]
|
|
));
|
|
|
|
MergedMasks = (UINT32)(MergedMasks | Masks[Index]);
|
|
}
|
|
|
|
MergedMasks = (UINT32)(MergedMasks | Masks[3]);
|
|
|
|
ASSERT (MergedMasks != 0);
|
|
*BytesPerPixel = (UINT32)((HighBitSet32 (MergedMasks) + 7) / 8);
|
|
DEBUG ((DEBUG_INFO, "Bytes per pixel: %d\n", *BytesPerPixel));
|
|
}
|
|
|
|
/**
|
|
Create the configuration for a video frame buffer.
|
|
|
|
The configuration is returned in the caller provided buffer.
|
|
|
|
@param[in] FrameBuffer Pointer to the start of the frame buffer.
|
|
@param[in] FrameBufferInfo Describes the frame buffer characteristics.
|
|
@param[in,out] Configure The created configuration information.
|
|
@param[in,out] ConfigureSize Size of the configuration information.
|
|
|
|
@retval RETURN_SUCCESS The configuration was successful created.
|
|
@retval RETURN_BUFFER_TOO_SMALL The Configure is to too small. The required
|
|
size is returned in ConfigureSize.
|
|
@retval RETURN_UNSUPPORTED The requested mode is not supported by
|
|
this implementaion.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
FrameBufferBltConfigure (
|
|
IN VOID *FrameBuffer,
|
|
IN EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *FrameBufferInfo,
|
|
IN OUT FRAME_BUFFER_CONFIGURE *Configure,
|
|
IN OUT UINTN *ConfigureSize
|
|
)
|
|
{
|
|
CONST EFI_PIXEL_BITMASK *BitMask;
|
|
UINT32 BytesPerPixel;
|
|
INT8 PixelShl[4];
|
|
INT8 PixelShr[4];
|
|
|
|
if (ConfigureSize == NULL) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
switch (FrameBufferInfo->PixelFormat) {
|
|
case PixelRedGreenBlueReserved8BitPerColor:
|
|
BitMask = &mRgbPixelMasks;
|
|
break;
|
|
|
|
case PixelBlueGreenRedReserved8BitPerColor:
|
|
BitMask = &mBgrPixelMasks;
|
|
break;
|
|
|
|
case PixelBitMask:
|
|
BitMask = &FrameBufferInfo->PixelInformation;
|
|
break;
|
|
|
|
case PixelBltOnly:
|
|
ASSERT (FrameBufferInfo->PixelFormat != PixelBltOnly);
|
|
return RETURN_UNSUPPORTED;
|
|
|
|
default:
|
|
ASSERT (FALSE);
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (FrameBufferInfo->PixelsPerScanLine < FrameBufferInfo->HorizontalResolution) {
|
|
return RETURN_UNSUPPORTED;
|
|
}
|
|
|
|
FrameBufferBltLibConfigurePixelFormat (BitMask, &BytesPerPixel, PixelShl, PixelShr);
|
|
|
|
if (*ConfigureSize < sizeof (FRAME_BUFFER_CONFIGURE)
|
|
+ FrameBufferInfo->HorizontalResolution * BytesPerPixel)
|
|
{
|
|
*ConfigureSize = sizeof (FRAME_BUFFER_CONFIGURE)
|
|
+ FrameBufferInfo->HorizontalResolution * BytesPerPixel;
|
|
return RETURN_BUFFER_TOO_SMALL;
|
|
}
|
|
|
|
if (Configure == NULL) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
CopyMem (&Configure->PixelMasks, BitMask, sizeof (*BitMask));
|
|
CopyMem (Configure->PixelShl, PixelShl, sizeof (PixelShl));
|
|
CopyMem (Configure->PixelShr, PixelShr, sizeof (PixelShr));
|
|
Configure->BytesPerPixel = BytesPerPixel;
|
|
Configure->PixelFormat = FrameBufferInfo->PixelFormat;
|
|
Configure->FrameBuffer = (UINT8 *)FrameBuffer;
|
|
Configure->Width = FrameBufferInfo->HorizontalResolution;
|
|
Configure->Height = FrameBufferInfo->VerticalResolution;
|
|
Configure->PixelsPerScanLine = FrameBufferInfo->PixelsPerScanLine;
|
|
|
|
return RETURN_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Performs a UEFI Graphics Output Protocol Blt Video Fill.
|
|
|
|
@param[in] Configure Pointer to a configuration which was successfully
|
|
created by FrameBufferBltConfigure ().
|
|
@param[in] Color Color to fill the region with.
|
|
@param[in] DestinationX X location to start fill operation.
|
|
@param[in] DestinationY Y location to start fill operation.
|
|
@param[in] Width Width (in pixels) to fill.
|
|
@param[in] Height Height to fill.
|
|
|
|
@retval RETURN_INVALID_PARAMETER Invalid parameter was passed in.
|
|
@retval RETURN_SUCCESS The video was filled successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
FrameBufferBltLibVideoFill (
|
|
IN FRAME_BUFFER_CONFIGURE *Configure,
|
|
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Color,
|
|
IN UINTN DestinationX,
|
|
IN UINTN DestinationY,
|
|
IN UINTN Width,
|
|
IN UINTN Height
|
|
)
|
|
{
|
|
UINTN IndexX;
|
|
UINTN IndexY;
|
|
UINT8 *Destination;
|
|
UINT8 Uint8;
|
|
UINT32 Uint32;
|
|
UINT64 WideFill;
|
|
BOOLEAN UseWideFill;
|
|
BOOLEAN LineBufferReady;
|
|
UINTN Offset;
|
|
UINTN WidthInBytes;
|
|
UINTN SizeInBytes;
|
|
|
|
//
|
|
// BltBuffer to Video: Source is BltBuffer, destination is Video
|
|
//
|
|
if (DestinationY + Height > Configure->Height) {
|
|
DEBUG ((DEBUG_VERBOSE, "VideoFill: Past screen (Y)\n"));
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (DestinationX + Width > Configure->Width) {
|
|
DEBUG ((DEBUG_VERBOSE, "VideoFill: Past screen (X)\n"));
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if ((Width == 0) || (Height == 0)) {
|
|
DEBUG ((DEBUG_VERBOSE, "VideoFill: Width or Height is 0\n"));
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
WidthInBytes = Width * Configure->BytesPerPixel;
|
|
|
|
Uint32 = *(UINT32 *)Color;
|
|
WideFill =
|
|
(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)
|
|
);
|
|
DEBUG ((
|
|
DEBUG_VERBOSE,
|
|
"VideoFill: color=0x%x, wide-fill=0x%x\n",
|
|
Uint32,
|
|
WideFill
|
|
));
|
|
|
|
//
|
|
// If the size of the pixel data evenly divides the sizeof
|
|
// WideFill, then a wide fill operation can be used
|
|
//
|
|
UseWideFill = TRUE;
|
|
if ((sizeof (WideFill) % Configure->BytesPerPixel) == 0) {
|
|
for (IndexX = Configure->BytesPerPixel; IndexX < sizeof (WideFill); IndexX++) {
|
|
((UINT8 *)&WideFill)[IndexX] = ((UINT8 *)&WideFill)[IndexX % Configure->BytesPerPixel];
|
|
}
|
|
} else {
|
|
//
|
|
// If all the bytes in the pixel are the same value, then use
|
|
// a wide fill operation.
|
|
//
|
|
for (
|
|
IndexX = 1, Uint8 = ((UINT8 *)&WideFill)[0];
|
|
IndexX < Configure->BytesPerPixel;
|
|
IndexX++)
|
|
{
|
|
if (Uint8 != ((UINT8 *)&WideFill)[IndexX]) {
|
|
UseWideFill = FALSE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (UseWideFill) {
|
|
SetMem (&WideFill, sizeof (WideFill), Uint8);
|
|
}
|
|
}
|
|
|
|
if (UseWideFill && (DestinationX == 0) && (Width == Configure->PixelsPerScanLine)) {
|
|
DEBUG ((DEBUG_VERBOSE, "VideoFill (wide, one-shot)\n"));
|
|
Offset = DestinationY * Configure->PixelsPerScanLine;
|
|
Offset = Configure->BytesPerPixel * Offset;
|
|
Destination = Configure->FrameBuffer + Offset;
|
|
SizeInBytes = WidthInBytes * Height;
|
|
if (SizeInBytes >= 8) {
|
|
SetMem32 (Destination, SizeInBytes & ~3, (UINT32)WideFill);
|
|
Destination += SizeInBytes & ~3;
|
|
SizeInBytes &= 3;
|
|
}
|
|
|
|
if (SizeInBytes > 0) {
|
|
SetMem (Destination, SizeInBytes, (UINT8)(UINTN)WideFill);
|
|
}
|
|
} else {
|
|
LineBufferReady = FALSE;
|
|
for (IndexY = DestinationY; IndexY < (Height + DestinationY); IndexY++) {
|
|
Offset = (IndexY * Configure->PixelsPerScanLine) + DestinationX;
|
|
Offset = Configure->BytesPerPixel * Offset;
|
|
Destination = Configure->FrameBuffer + Offset;
|
|
|
|
if (UseWideFill && (((UINTN)Destination & 7) == 0)) {
|
|
DEBUG ((DEBUG_VERBOSE, "VideoFill (wide)\n"));
|
|
SizeInBytes = WidthInBytes;
|
|
if (SizeInBytes >= 8) {
|
|
SetMem64 (Destination, SizeInBytes & ~7, WideFill);
|
|
Destination += SizeInBytes & ~7;
|
|
SizeInBytes &= 7;
|
|
}
|
|
|
|
if (SizeInBytes > 0) {
|
|
CopyMem (Destination, &WideFill, SizeInBytes);
|
|
}
|
|
} else {
|
|
DEBUG ((DEBUG_VERBOSE, "VideoFill (not wide)\n"));
|
|
if (!LineBufferReady) {
|
|
CopyMem (Configure->LineBuffer, &WideFill, Configure->BytesPerPixel);
|
|
for (IndexX = 1; IndexX < Width; ) {
|
|
CopyMem (
|
|
(Configure->LineBuffer + (IndexX * Configure->BytesPerPixel)),
|
|
Configure->LineBuffer,
|
|
MIN (IndexX, Width - IndexX) * Configure->BytesPerPixel
|
|
);
|
|
IndexX += MIN (IndexX, Width - IndexX);
|
|
}
|
|
|
|
LineBufferReady = TRUE;
|
|
}
|
|
|
|
CopyMem (Destination, Configure->LineBuffer, WidthInBytes);
|
|
}
|
|
}
|
|
}
|
|
|
|
return RETURN_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Performs a UEFI Graphics Output Protocol Blt Video to Buffer operation
|
|
with extended parameters.
|
|
|
|
@param[in] Configure Pointer to a configuration which was successfully
|
|
created by FrameBufferBltConfigure ().
|
|
@param[out] BltBuffer Output buffer for pixel color data.
|
|
@param[in] SourceX X location within video.
|
|
@param[in] SourceY Y location within video.
|
|
@param[in] DestinationX X location within BltBuffer.
|
|
@param[in] DestinationY Y location within BltBuffer.
|
|
@param[in] Width Width (in pixels).
|
|
@param[in] Height Height.
|
|
@param[in] Delta Number of bytes in a row of BltBuffer.
|
|
|
|
@retval RETURN_INVALID_PARAMETER Invalid parameter were passed in.
|
|
@retval RETURN_SUCCESS The Blt operation was performed successfully.
|
|
**/
|
|
RETURN_STATUS
|
|
FrameBufferBltLibVideoToBltBuffer (
|
|
IN FRAME_BUFFER_CONFIGURE *Configure,
|
|
OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer,
|
|
IN UINTN SourceX,
|
|
IN UINTN SourceY,
|
|
IN UINTN DestinationX,
|
|
IN UINTN DestinationY,
|
|
IN UINTN Width,
|
|
IN UINTN Height,
|
|
IN UINTN Delta
|
|
)
|
|
{
|
|
UINTN DstY;
|
|
UINTN SrcY;
|
|
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
|
|
UINT8 *Source;
|
|
UINT8 *Destination;
|
|
UINTN IndexX;
|
|
UINT32 Uint32;
|
|
UINTN Offset;
|
|
UINTN WidthInBytes;
|
|
|
|
//
|
|
// Video to BltBuffer: Source is Video, destination is BltBuffer
|
|
//
|
|
if (SourceY + Height > Configure->Height) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (SourceX + Width > Configure->Width) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if ((Width == 0) || (Height == 0)) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
//
|
|
// If Delta is zero, then the entire BltBuffer is being used, so Delta is
|
|
// the number of bytes in each row of BltBuffer. Since BltBuffer is Width
|
|
// pixels size, the number of bytes in each row can be computed.
|
|
//
|
|
if (Delta == 0) {
|
|
Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
|
|
}
|
|
|
|
WidthInBytes = Width * Configure->BytesPerPixel;
|
|
|
|
//
|
|
// Video to BltBuffer: Source is Video, destination is BltBuffer
|
|
//
|
|
for (SrcY = SourceY, DstY = DestinationY;
|
|
DstY < (Height + DestinationY);
|
|
SrcY++, DstY++)
|
|
{
|
|
Offset = (SrcY * Configure->PixelsPerScanLine) + SourceX;
|
|
Offset = Configure->BytesPerPixel * Offset;
|
|
Source = Configure->FrameBuffer + Offset;
|
|
|
|
if (Configure->PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {
|
|
Destination = (UINT8 *)BltBuffer + (DstY * Delta) + (DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
|
|
} else {
|
|
Destination = Configure->LineBuffer;
|
|
}
|
|
|
|
CopyMem (Destination, Source, WidthInBytes);
|
|
|
|
if (Configure->PixelFormat != PixelBlueGreenRedReserved8BitPerColor) {
|
|
for (IndexX = 0; IndexX < Width; IndexX++) {
|
|
Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)
|
|
((UINT8 *)BltBuffer + (DstY * Delta) +
|
|
(DestinationX + IndexX) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
|
|
Uint32 = *(UINT32 *)(Configure->LineBuffer + (IndexX * Configure->BytesPerPixel));
|
|
*(UINT32 *)Blt =
|
|
(UINT32)(
|
|
(((Uint32 & Configure->PixelMasks.RedMask) >>
|
|
Configure->PixelShl[0]) << Configure->PixelShr[0]) |
|
|
(((Uint32 & Configure->PixelMasks.GreenMask) >>
|
|
Configure->PixelShl[1]) << Configure->PixelShr[1]) |
|
|
(((Uint32 & Configure->PixelMasks.BlueMask) >>
|
|
Configure->PixelShl[2]) << Configure->PixelShr[2])
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
return RETURN_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Performs a UEFI Graphics Output Protocol Blt Buffer to Video operation
|
|
with extended parameters.
|
|
|
|
@param[in] Configure Pointer to a configuration which was successfully
|
|
created by FrameBufferBltConfigure ().
|
|
@param[in] BltBuffer Output buffer for pixel color data.
|
|
@param[in] SourceX X location within BltBuffer.
|
|
@param[in] SourceY Y location within BltBuffer.
|
|
@param[in] DestinationX X location within video.
|
|
@param[in] DestinationY Y location within video.
|
|
@param[in] Width Width (in pixels).
|
|
@param[in] Height Height.
|
|
@param[in] Delta Number of bytes in a row of BltBuffer.
|
|
|
|
@retval RETURN_INVALID_PARAMETER Invalid parameter were passed in.
|
|
@retval RETURN_SUCCESS The Blt operation was performed successfully.
|
|
**/
|
|
RETURN_STATUS
|
|
FrameBufferBltLibBufferToVideo (
|
|
IN FRAME_BUFFER_CONFIGURE *Configure,
|
|
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer,
|
|
IN UINTN SourceX,
|
|
IN UINTN SourceY,
|
|
IN UINTN DestinationX,
|
|
IN UINTN DestinationY,
|
|
IN UINTN Width,
|
|
IN UINTN Height,
|
|
IN UINTN Delta
|
|
)
|
|
{
|
|
UINTN DstY;
|
|
UINTN SrcY;
|
|
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
|
|
UINT8 *Source;
|
|
UINT8 *Destination;
|
|
UINTN IndexX;
|
|
UINT32 Uint32;
|
|
UINTN Offset;
|
|
UINTN WidthInBytes;
|
|
|
|
//
|
|
// BltBuffer to Video: Source is BltBuffer, destination is Video
|
|
//
|
|
if (DestinationY + Height > Configure->Height) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (DestinationX + Width > Configure->Width) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if ((Width == 0) || (Height == 0)) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
//
|
|
// If Delta is zero, then the entire BltBuffer is being used, so Delta is
|
|
// the number of bytes in each row of BltBuffer. Since BltBuffer is Width
|
|
// pixels size, the number of bytes in each row can be computed.
|
|
//
|
|
if (Delta == 0) {
|
|
Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
|
|
}
|
|
|
|
WidthInBytes = Width * Configure->BytesPerPixel;
|
|
|
|
for (SrcY = SourceY, DstY = DestinationY;
|
|
SrcY < (Height + SourceY);
|
|
SrcY++, DstY++)
|
|
{
|
|
Offset = (DstY * Configure->PixelsPerScanLine) + DestinationX;
|
|
Offset = Configure->BytesPerPixel * Offset;
|
|
Destination = Configure->FrameBuffer + Offset;
|
|
|
|
if (Configure->PixelFormat == PixelBlueGreenRedReserved8BitPerColor) {
|
|
Source = (UINT8 *)BltBuffer + (SrcY * Delta) + SourceX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
|
|
} 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->Width) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (DestinationY + Height > Configure->Height) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (DestinationX + Width > Configure->Width) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
if ((Width == 0) || (Height == 0)) {
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
WidthInBytes = Width * Configure->BytesPerPixel;
|
|
|
|
Offset = (SourceY * Configure->PixelsPerScanLine) + SourceX;
|
|
Offset = Configure->BytesPerPixel * Offset;
|
|
Source = Configure->FrameBuffer + Offset;
|
|
|
|
Offset = (DestinationY * Configure->PixelsPerScanLine) + DestinationX;
|
|
Offset = Configure->BytesPerPixel * Offset;
|
|
Destination = Configure->FrameBuffer + Offset;
|
|
|
|
LineStride = Configure->BytesPerPixel * Configure->PixelsPerScanLine;
|
|
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;
|
|
}
|
|
}
|