diff options
Diffstat (limited to 'Chips/TexasInstruments/Omap35xx/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c')
| -rw-r--r-- | Chips/TexasInstruments/Omap35xx/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c | 445 |
1 files changed, 0 insertions, 445 deletions
diff --git a/Chips/TexasInstruments/Omap35xx/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c b/Chips/TexasInstruments/Omap35xx/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c deleted file mode 100644 index 418328a..0000000 --- a/Chips/TexasInstruments/Omap35xx/LcdGraphicsOutputDxe/LcdGraphicsOutputBlt.c +++ /dev/null @@ -1,445 +0,0 @@ -/** @file
-
- Copyright (c) 2011, ARM Ltd. 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 <PiDxe.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/DevicePathLib.h>
-#include <Library/UefiBootServicesTableLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
-#include <Library/MemoryAllocationLib.h>
-
-#include <Guid/GlobalVariable.h>
-
-#include "LcdGraphicsOutputDxe.h"
-
-extern BOOLEAN mDisplayInitialized;
-
-//
-// Function Definitions
-//
-
-STATIC
-EFI_STATUS
-VideoCopyNoHorizontalOverlap (
- IN UINTN BitsPerPixel,
- IN volatile VOID *FrameBufferBase,
- IN UINT32 HorizontalResolution,
- IN UINTN SourceX,
- IN UINTN SourceY,
- IN UINTN DestinationX,
- IN UINTN DestinationY,
- IN UINTN Width,
- IN UINTN Height
- )
-{
- EFI_STATUS Status = EFI_SUCCESS;
- UINTN SourceLine;
- UINTN DestinationLine;
- UINTN WidthInBytes;
- UINTN LineCount;
- INTN Step;
- VOID *SourceAddr;
- VOID *DestinationAddr;
-
- if( DestinationY <= SourceY ) {
- // scrolling up (or horizontally but without overlap)
- SourceLine = SourceY;
- DestinationLine = DestinationY;
- Step = 1;
- } else {
- // scrolling down
- SourceLine = SourceY + Height;
- DestinationLine = DestinationY + Height;
- Step = -1;
- }
-
- WidthInBytes = Width * 2;
-
- for( LineCount = 0; LineCount < Height; LineCount++ ) {
- // Update the start addresses of source & destination using 16bit pointer arithmetic
- SourceAddr = (VOID *)((UINT16 *)FrameBufferBase + SourceLine * HorizontalResolution + SourceX );
- DestinationAddr = (VOID *)((UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationX);
-
- // Copy the entire line Y from video ram to the temp buffer
- CopyMem( DestinationAddr, SourceAddr, WidthInBytes);
-
- // Update the line numbers
- SourceLine += Step;
- DestinationLine += Step;
- }
-
- return Status;
-}
-
-STATIC
-EFI_STATUS
-VideoCopyHorizontalOverlap (
- IN UINTN BitsPerPixel,
- IN volatile VOID *FrameBufferBase,
- UINT32 HorizontalResolution,
- IN UINTN SourceX,
- IN UINTN SourceY,
- IN UINTN DestinationX,
- IN UINTN DestinationY,
- IN UINTN Width,
- IN UINTN Height
- )
-{
- EFI_STATUS Status = EFI_SUCCESS;
-
- UINT16 *PixelBuffer16bit;
- UINT16 *SourcePixel16bit;
- UINT16 *DestinationPixel16bit;
-
- UINT32 SourcePixelY;
- UINT32 DestinationPixelY;
- UINTN SizeIn16Bits;
-
- // Allocate a temporary buffer
- PixelBuffer16bit = (UINT16 *) AllocatePool((Height * Width) * sizeof(UINT16));
-
- if (PixelBuffer16bit == NULL) {
- Status = EFI_OUT_OF_RESOURCES;
- goto EXIT;
- }
-
- // Access each pixel inside the source area of the Video Memory and copy it to the temp buffer
-
- SizeIn16Bits = Width * 2;
-
- for (SourcePixelY = SourceY, DestinationPixel16bit = PixelBuffer16bit;
- SourcePixelY < SourceY + Height;
- SourcePixelY++, DestinationPixel16bit += Width)
- {
- // Calculate the source address:
- SourcePixel16bit = (UINT16 *)FrameBufferBase + SourcePixelY * HorizontalResolution + SourceX;
-
- // Copy the entire line Y from Video to the temp buffer
- CopyMem( (VOID *)DestinationPixel16bit, (CONST VOID *)SourcePixel16bit, SizeIn16Bits);
- }
-
- // Copy from the temp buffer into the destination area of the Video Memory
-
- for (DestinationPixelY = DestinationY, SourcePixel16bit = PixelBuffer16bit;
- DestinationPixelY < DestinationY + Height;
- DestinationPixelY++, SourcePixel16bit += Width)
- {
- // Calculate the target address:
- DestinationPixel16bit = (UINT16 *)FrameBufferBase + (DestinationPixelY * HorizontalResolution + DestinationX);
-
- // Copy the entire line Y from the temp buffer to Video
- CopyMem( (VOID *)DestinationPixel16bit, (CONST VOID *)SourcePixel16bit, SizeIn16Bits);
- }
-
- // Free the allocated memory
- FreePool((VOID *) PixelBuffer16bit);
-
-
-EXIT:
- return Status;
-}
-
-STATIC
-EFI_STATUS
-BltVideoFill (
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
- IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiSourcePixel, OPTIONAL
- IN UINTN SourceX,
- IN UINTN SourceY,
- IN UINTN DestinationX,
- IN UINTN DestinationY,
- IN UINTN Width,
- IN UINTN Height,
- IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
- )
-{
- EFI_PIXEL_BITMASK* PixelInformation;
- EFI_STATUS Status;
- UINT32 HorizontalResolution;
- VOID *FrameBufferBase;
- UINT16 *DestinationPixel16bit;
- UINT16 Pixel16bit;
- UINT32 DestinationPixelX;
- UINT32 DestinationLine;
-
- Status = EFI_SUCCESS;
- PixelInformation = &This->Mode->Info->PixelInformation;
- FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
- HorizontalResolution = This->Mode->Info->HorizontalResolution;
-
- // Convert the EFI pixel at the start of the BltBuffer(0,0) into a video display pixel
- Pixel16bit = (UINT16) (
- ( (EfiSourcePixel->Red << 8) & PixelInformation->RedMask )
- | ( (EfiSourcePixel->Green << 3) & PixelInformation->GreenMask )
- | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )
- );
-
- // Copy the SourcePixel into every pixel inside the target rectangle
- for (DestinationLine = DestinationY;
- DestinationLine < DestinationY + Height;
- DestinationLine++)
- {
- for (DestinationPixelX = DestinationX;
- DestinationPixelX < DestinationX + Width;
- DestinationPixelX++)
- {
- // Calculate the target address:
- DestinationPixel16bit = (UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationPixelX;
-
- // Copy the pixel into the new target
- *DestinationPixel16bit = Pixel16bit;
- }
- }
-
-
- return Status;
-}
-
-STATIC
-EFI_STATUS
-BltVideoToBltBuffer (
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
- IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
- IN UINTN SourceX,
- IN UINTN SourceY,
- IN UINTN DestinationX,
- IN UINTN DestinationY,
- IN UINTN Width,
- IN UINTN Height,
- IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
- )
-{
- EFI_STATUS Status;
- UINT32 HorizontalResolution;
- EFI_PIXEL_BITMASK *PixelInformation;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiDestinationPixel;
- VOID *FrameBufferBase;
- UINT16 *SourcePixel16bit;
- UINT16 Pixel16bit;
- UINT32 SourcePixelX;
- UINT32 SourceLine;
- UINT32 DestinationPixelX;
- UINT32 DestinationLine;
- UINT32 BltBufferHorizontalResolution;
-
- Status = EFI_SUCCESS;
- PixelInformation = &This->Mode->Info->PixelInformation;
- HorizontalResolution = This->Mode->Info->HorizontalResolution;
- FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
-
- if(( Delta != 0 ) && ( Delta != Width * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL))) {
- // Delta is not zero and it is different from the width.
- // Divide it by the size of a pixel to find out the buffer's horizontal resolution.
- BltBufferHorizontalResolution = (UINT32) (Delta / sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
- } else {
- BltBufferHorizontalResolution = Width;
- }
-
- // Access each pixel inside the Video Memory
- for (SourceLine = SourceY, DestinationLine = DestinationY;
- SourceLine < SourceY + Height;
- SourceLine++, DestinationLine++)
- {
- for (SourcePixelX = SourceX, DestinationPixelX = DestinationX;
- SourcePixelX < SourceX + Width;
- SourcePixelX++, DestinationPixelX++)
- {
- // Calculate the source and target addresses:
- SourcePixel16bit = (UINT16 *)FrameBufferBase + SourceLine * HorizontalResolution + SourcePixelX;
- EfiDestinationPixel = BltBuffer + DestinationLine * BltBufferHorizontalResolution + DestinationPixelX;
-
- // Snapshot the pixel from the video buffer once, to speed up the operation.
- // If we were dereferencing the pointer, as it is volatile, we would perform 3 memory read operations.
- Pixel16bit = *SourcePixel16bit;
-
- // Copy the pixel into the new target
- EfiDestinationPixel->Red = (UINT8) ( (Pixel16bit & PixelInformation->RedMask ) >> 8 );
- EfiDestinationPixel->Green = (UINT8) ( (Pixel16bit & PixelInformation->GreenMask ) >> 3 );
- EfiDestinationPixel->Blue = (UINT8) ( (Pixel16bit & PixelInformation->BlueMask ) << 3 );
- }
- }
-
- return Status;
-}
-
-STATIC
-EFI_STATUS
-BltBufferToVideo (
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
- IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
- IN UINTN SourceX,
- IN UINTN SourceY,
- IN UINTN DestinationX,
- IN UINTN DestinationY,
- IN UINTN Width,
- IN UINTN Height,
- IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
- )
-{
- EFI_STATUS Status;
- UINT32 HorizontalResolution;
- EFI_PIXEL_BITMASK *PixelInformation;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL *EfiSourcePixel;
- VOID *FrameBufferBase;
- UINT16 *DestinationPixel16bit;
- UINT32 SourcePixelX;
- UINT32 SourceLine;
- UINT32 DestinationPixelX;
- UINT32 DestinationLine;
- UINT32 BltBufferHorizontalResolution;
-
- Status = EFI_SUCCESS;
- PixelInformation = &This->Mode->Info->PixelInformation;
- HorizontalResolution = This->Mode->Info->HorizontalResolution;
- FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
-
- if(( Delta != 0 ) && ( Delta != Width * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL))) {
- // Delta is not zero and it is different from the width.
- // Divide it by the size of a pixel to find out the buffer's horizontal resolution.
- BltBufferHorizontalResolution = (UINT32) (Delta / sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
- } else {
- BltBufferHorizontalResolution = Width;
- }
-
- // Access each pixel inside the BltBuffer Memory
- for (SourceLine = SourceY, DestinationLine = DestinationY;
- SourceLine < SourceY + Height;
- SourceLine++, DestinationLine++) {
-
- for (SourcePixelX = SourceX, DestinationPixelX = DestinationX;
- SourcePixelX < SourceX + Width;
- SourcePixelX++, DestinationPixelX++)
- {
- // Calculate the source and target addresses:
- EfiSourcePixel = BltBuffer + SourceLine * BltBufferHorizontalResolution + SourcePixelX;
- DestinationPixel16bit = (UINT16 *)FrameBufferBase + DestinationLine * HorizontalResolution + DestinationPixelX;
-
- // Copy the pixel into the new target
- // Only the most significant bits will be copied across:
- // To convert from 8 bits to 5 bits per pixel we throw away the 3 least significant bits
- *DestinationPixel16bit = (UINT16) (
- ( (EfiSourcePixel->Red << 8) & PixelInformation->RedMask )
- | ( (EfiSourcePixel->Green << 3) & PixelInformation->GreenMask )
- | ( (EfiSourcePixel->Blue >> 3) & PixelInformation->BlueMask )
- );
- }
- }
-
- return Status;
-}
-
-STATIC
-EFI_STATUS
-BltVideoToVideo (
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
- IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
- IN UINTN SourceX,
- IN UINTN SourceY,
- IN UINTN DestinationX,
- IN UINTN DestinationY,
- IN UINTN Width,
- IN UINTN Height,
- IN UINTN Delta OPTIONAL // Number of BYTES in a row of the BltBuffer
- )
-{
- EFI_STATUS Status;
- UINT32 HorizontalResolution;
- UINTN BitsPerPixel;
- VOID *FrameBufferBase;
-
- BitsPerPixel = 16;
-
- HorizontalResolution = This->Mode->Info->HorizontalResolution;
- FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
-
- //
- // BltVideo to BltVideo:
- //
- // Source is the Video Memory,
- // Destination is the Video Memory
-
- FrameBufferBase = (UINTN *)((UINTN)(This->Mode->FrameBufferBase));
-
- // The UEFI spec currently states:
- // "There is no limitation on the overlapping of the source and destination rectangles"
- // Therefore, we must be careful to avoid overwriting the source data
- if( SourceY == DestinationY ) {
- // Copying within the same height, e.g. horizontal shift
- if( SourceX == DestinationX ) {
- // Nothing to do
- Status = EFI_SUCCESS;
- } else if( ((SourceX>DestinationX)?(SourceX - DestinationX):(DestinationX - SourceX)) < Width ) {
- // There is overlap
- Status = VideoCopyHorizontalOverlap (BitsPerPixel, FrameBufferBase, HorizontalResolution, SourceX, SourceY, DestinationX, DestinationY, Width, Height );
- } else {
- // No overlap
- Status = VideoCopyNoHorizontalOverlap (BitsPerPixel, FrameBufferBase, HorizontalResolution, SourceX, SourceY, DestinationX, DestinationY, Width, Height );
- }
- } else {
- // Copying from different heights
- Status = VideoCopyNoHorizontalOverlap (BitsPerPixel, FrameBufferBase, HorizontalResolution, SourceX, SourceY, DestinationX, DestinationY, Width, Height );
- }
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-LcdGraphicsBlt (
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
- 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 OPTIONAL // Number of BYTES in a row of the BltBuffer
- )
-{
- EFI_STATUS Status;
- LCD_INSTANCE *Instance;
-
- Instance = LCD_INSTANCE_FROM_GOP_THIS(This);
-
- if (!mDisplayInitialized) {
- InitializeDisplay (Instance);
- }
-
- switch (BltOperation) {
- case EfiBltVideoFill:
- Status = BltVideoFill (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);
- break;
-
- case EfiBltVideoToBltBuffer:
- Status = BltVideoToBltBuffer (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);
- break;
-
- case EfiBltBufferToVideo:
- Status = BltBufferToVideo (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);
- break;
-
- case EfiBltVideoToVideo:
- Status = BltVideoToVideo (This, BltBuffer, SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta);
- break;
-
- case EfiGraphicsOutputBltOperationMax:
- default:
- DEBUG((DEBUG_ERROR, "LcdGraphicsBlt: Invalid Operation\n"));
- Status = EFI_INVALID_PARAMETER;
- break;
-}
-
- return Status;
-}
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