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88 lines
3.6 KiB
C
88 lines
3.6 KiB
C
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/** @file
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Library for performing UEFI GOP Blt operations on a framebuffer
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Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __FRAMEBUFFER_BLT_LIB__
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#define __FRAMEBUFFER_BLT_LIB__
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#include <Protocol/GraphicsOutput.h>
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//
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// Opaque structure for the frame buffer configure.
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//
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typedef struct FRAME_BUFFER_CONFIGURE FRAME_BUFFER_CONFIGURE;
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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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Performs a UEFI Graphics Output Protocol Blt operation.
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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,out] BltBuffer The data to transfer to screen.
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@param[in] BltOperation The operation to perform.
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@param[in] SourceX The X coordinate of the source for BltOperation.
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@param[in] SourceY The Y coordinate of the source for BltOperation.
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@param[in] DestinationX The X coordinate of the destination for
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BltOperation.
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@param[in] DestinationY The Y coordinate of the destination for
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BltOperation.
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@param[in] Width The width of a rectangle in the blt rectangle
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in pixels.
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@param[in] Height The height of a rectangle in the blt rectangle
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in pixels.
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@param[in] Delta Not used for EfiBltVideoFill and
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EfiBltVideoToVideo operation. If a Delta of 0
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is used, the entire BltBuffer will be operated
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on. If a subrectangle of the BltBuffer is
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used, then Delta represents the number of
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bytes in a row of the 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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EFIAPI
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FrameBufferBlt (
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IN FRAME_BUFFER_CONFIGURE *Configure,
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IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
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IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
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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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#endif
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