diff options
| author | Ruiyu Ni <ruiyu.ni@intel.com> | 2016-07-07 13:31:27 +0800 |
|---|---|---|
| committer | Ruiyu Ni <ruiyu.ni@intel.com> | 2016-10-12 10:42:16 +0800 |
| commit | b1ca386074bd74ddfea24adea2f8704506bea3c9 (patch) | |
| tree | 1032896033606513ef86b06d929f1a1b93f223c0 /MdeModulePkg/Library/FrameBufferBltLib | |
| parent | 62d8cb3b9ceba5e5b29609ebc71715f523738f85 (diff) | |
| download | edk2-b1ca386074bd74ddfea24adea2f8704506bea3c9.tar.gz edk2-b1ca386074bd74ddfea24adea2f8704506bea3c9.tar.bz2 edk2-b1ca386074bd74ddfea24adea2f8704506bea3c9.zip | |
MdeModulePkg: Add FrameBufferBltLib library instance
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>
Diffstat (limited to 'MdeModulePkg/Library/FrameBufferBltLib')
| -rw-r--r-- | MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c | 704 | ||||
| -rw-r--r-- | MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.inf | 34 |
2 files changed, 738 insertions, 0 deletions
diff --git a/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c b/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c new file mode 100644 index 0000000000..c9bb206ee8 --- /dev/null +++ b/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.c @@ -0,0 +1,704 @@ +/** @file
+ FrameBufferBltLib - Library to perform blt operations on a frame buffer.
+
+ Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#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 {
+ UINTN ColorDepth;
+ UINTN WidthInBytes;
+ UINTN BytesPerPixel;
+ UINTN WidthInPixels;
+ UINTN Height;
+ UINT8 LineBuffer[SIZE_4KB * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)];
+ UINT8 *FrameBuffer;
+ EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
+ EFI_PIXEL_BITMASK PixelMasks;
+ INTN PixelShl[4]; // R-G-B-Rsvd
+ INTN PixelShr[4]; // R-G-B-Rsvd
+};
+
+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 Configure The frame buffer configure.
+ @param BitMask The bit mask of pixel.
+**/
+VOID
+ConfigurePixelBitMaskFormat (
+ IN FRAME_BUFFER_CONFIGURE *Configure,
+ IN CONST EFI_PIXEL_BITMASK *BitMask
+ )
+{
+ UINTN Loop;
+ UINT32 *Masks;
+ UINT32 MergedMasks;
+
+ MergedMasks = 0;
+ Masks = (UINT32*) BitMask;
+ for (Loop = 0; Loop < 3; Loop++) {
+ ASSERT ((Loop == 3) || (Masks[Loop] != 0));
+ ASSERT ((MergedMasks & Masks[Loop]) == 0);
+ Configure->PixelShl[Loop] = HighBitSet32 (Masks[Loop]) - 23 + (Loop * 8);
+ if (Configure->PixelShl[Loop] < 0) {
+ Configure->PixelShr[Loop] = -Configure->PixelShl[Loop];
+ Configure->PixelShl[Loop] = 0;
+ } else {
+ Configure->PixelShr[Loop] = 0;
+ }
+ MergedMasks = (UINT32) (MergedMasks | Masks[Loop]);
+ DEBUG ((EFI_D_VERBOSE, "%d: shl:%d shr:%d mask:%x\n", Loop,
+ Configure->PixelShl[Loop], Configure->PixelShr[Loop], Masks[Loop]));
+ }
+ MergedMasks = (UINT32) (MergedMasks | Masks[3]);
+
+ ASSERT (MergedMasks != 0);
+ Configure->BytesPerPixel = (UINTN) ((HighBitSet32 (MergedMasks) + 7) / 8);
+
+ DEBUG ((EFI_D_VERBOSE, "Bytes per pixel: %d\n", Configure->BytesPerPixel));
+
+ CopyMem (&Configure->PixelMasks, BitMask, sizeof (*BitMask));
+}
+
+/**
+ 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
+ )
+{
+ if (ConfigureSize == NULL) {
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ if (*ConfigureSize < sizeof (FRAME_BUFFER_CONFIGURE)) {
+ *ConfigureSize = sizeof (FRAME_BUFFER_CONFIGURE);
+ return RETURN_BUFFER_TOO_SMALL;
+ }
+
+ if (Configure == NULL) {
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ switch (FrameBufferInfo->PixelFormat) {
+ case PixelRedGreenBlueReserved8BitPerColor:
+ ConfigurePixelBitMaskFormat (Configure, &mRgbPixelMasks);
+ break;
+
+ case PixelBlueGreenRedReserved8BitPerColor:
+ ConfigurePixelBitMaskFormat (Configure, &mBgrPixelMasks);
+ break;
+
+ case PixelBitMask:
+ ConfigurePixelBitMaskFormat (Configure, &(FrameBufferInfo->PixelInformation));
+ break;
+
+ case PixelBltOnly:
+ ASSERT (FrameBufferInfo->PixelFormat != PixelBltOnly);
+ return RETURN_UNSUPPORTED;
+
+ default:
+ ASSERT (FALSE);
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ Configure->PixelFormat = FrameBufferInfo->PixelFormat;
+ Configure->FrameBuffer = (UINT8*) FrameBuffer;
+ Configure->WidthInPixels = (UINTN) FrameBufferInfo->HorizontalResolution;
+ Configure->Height = (UINTN) FrameBufferInfo->VerticalResolution;
+ Configure->WidthInBytes = Configure->WidthInPixels * Configure->BytesPerPixel;
+
+ ASSERT (Configure->WidthInBytes < sizeof (Configure->LineBuffer));
+
+ 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 ((EFI_D_VERBOSE, "VideoFill: Past screen (Y)\n"));
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ if (DestinationX + Width > Configure->WidthInPixels) {
+ DEBUG ((EFI_D_VERBOSE, "VideoFill: Past screen (X)\n"));
+ return RETURN_INVALID_PARAMETER;
+ }
+
+ if (Width == 0 || Height == 0) {
+ DEBUG ((EFI_D_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 ((EFI_D_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->WidthInPixels)) {
+ DEBUG ((EFI_D_VERBOSE, "VideoFill (wide, one-shot)\n"));
+ Offset = DestinationY * Configure->WidthInPixels;
+ Offset = Configure->BytesPerPixel * Offset;
+ Destination = Configure->FrameBuffer + Offset;
+ SizeInBytes = WidthInBytes * Height;
+ if (SizeInBytes >= 8) {
+ SetMem32 (Destination, SizeInBytes & ~3, (UINT32) WideFill);
+ SizeInBytes &= 3;
+ }
+ if (SizeInBytes > 0) {
+ SetMem (Destination, SizeInBytes, (UINT8) (UINTN) WideFill);
+ }
+ } else {
+ LineBufferReady = FALSE;
+ for (IndexY = DestinationY; IndexY < (Height + DestinationY); IndexY++) {
+ Offset = (IndexY * Configure->WidthInPixels) + DestinationX;
+ Offset = Configure->BytesPerPixel * Offset;
+ Destination = Configure->FrameBuffer + Offset;
+
+ if (UseWideFill && (((UINTN) Destination & 7) == 0)) {
+ DEBUG ((EFI_D_VERBOSE, "VideoFill (wide)\n"));
+ SizeInBytes = WidthInBytes;
+ if (SizeInBytes >= 8) {
+ SetMem64 (Destination, SizeInBytes & ~7, WideFill);
+ SizeInBytes &= 7;
+ }
+ if (SizeInBytes > 0) {
+ CopyMem (Destination, &WideFill, SizeInBytes);
+ }
+ } else {
+ DEBUG ((EFI_D_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->WidthInPixels) {
+ 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->WidthInPixels) + 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->WidthInPixels) {
+ 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->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;
+ }
+}
diff --git a/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.inf b/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.inf new file mode 100644 index 0000000000..57e4adb039 --- /dev/null +++ b/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.inf @@ -0,0 +1,34 @@ +## @file
+# FrameBufferBltLib - Library to perform blt operations on a frame buffer.
+#
+# Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
+#
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = FrameBufferBltLib
+ FILE_GUID = 243D3E8C-2780-4A25-9693-A410475BFCEC
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = FrameBufferBltLib
+
+[Sources.common]
+ FrameBufferBltLib.c
+
+[LibraryClasses]
+ BaseLib
+ BaseMemoryLib
+ DebugLib
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
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