4ce776d23e
(grub_efi_console_fini): Likewise. * grub-core/video/efi_gop.c (framebuffer): New field offscreen. (grub_video_gop_fill_mode_info): Rename to ... (grub_video_gop_fill_real_mode_info): ... this. (grub_video_gop_fill_mode_info): New function. (grub_video_gop_setup): Setup double framebuffer. (grub_video_gop_get_info_and_fini): Use original framebuffer. Free offscreen. (grub_video_gop_swap_buffers): Copy framebuffer. (grub_video_gop_fini): Free offscreen buffer. * include/grub/efi/graphics_output.h (grub_efi_gop_blt_operation_t): New enum. (grub_efi_gop_blt_pixel): New struct.
114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2009 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GRUB_EFI_GOP_HEADER
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#define GRUB_EFI_GOP_HEADER 1
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/* Based on UEFI specification. */
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#define GRUB_EFI_GOP_GUID \
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{ 0x9042a9de, 0x23dc, 0x4a38, { 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a }}
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typedef enum
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{
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GRUB_EFI_GOT_RGBA8,
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GRUB_EFI_GOT_BGRA8,
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GRUB_EFI_GOT_BITMASK
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}
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grub_efi_gop_pixel_format_t;
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typedef enum
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{
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GRUB_EFI_BLT_VIDEO_FILL,
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GRUB_EFI_BLT_VIDEO_TO_BLT_BUFFER,
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GRUB_EFI_BLT_BUFFER_TO_VIDEO,
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GRUB_EFI_BLT_VIDEO_TO_VIDEO,
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GRUB_EFI_BLT_OPERATION_MAX
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}
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grub_efi_gop_blt_operation_t;
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struct grub_efi_gop_blt_pixel
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{
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grub_uint8_t blue;
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grub_uint8_t green;
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grub_uint8_t red;
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grub_uint8_t reserved;
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};
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struct grub_efi_gop_pixel_bitmask
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{
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grub_uint32_t r;
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grub_uint32_t g;
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grub_uint32_t b;
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grub_uint32_t a;
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};
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struct grub_efi_gop_mode_info
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{
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grub_efi_uint32_t version;
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grub_efi_uint32_t width;
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grub_efi_uint32_t height;
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grub_efi_gop_pixel_format_t pixel_format;
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struct grub_efi_gop_pixel_bitmask pixel_bitmask;
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grub_efi_uint32_t pixels_per_scanline;
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};
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struct grub_efi_gop_mode
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{
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grub_efi_uint32_t max_mode;
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grub_efi_uint32_t mode;
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struct grub_efi_gop_mode_info *info;
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grub_efi_uintn_t info_size;
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grub_efi_physical_address_t fb_base;
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grub_efi_uintn_t fb_size;
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};
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/* Forward declaration. */
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struct grub_efi_gop;
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typedef grub_efi_status_t
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(*grub_efi_gop_query_mode_t) (struct grub_efi_gop *this,
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grub_efi_uint32_t mode_number,
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grub_efi_uintn_t *size_of_info,
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struct grub_efi_gop_mode_info **info);
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typedef grub_efi_status_t
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(*grub_efi_gop_set_mode_t) (struct grub_efi_gop *this,
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grub_efi_uint32_t mode_number);
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typedef grub_efi_status_t
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(*grub_efi_gop_blt_t) (struct grub_efi_gop *this,
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void *buffer,
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grub_efi_uintn_t operation,
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grub_efi_uintn_t sx,
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grub_efi_uintn_t sy,
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grub_efi_uintn_t dx,
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grub_efi_uintn_t dy,
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grub_efi_uintn_t width,
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grub_efi_uintn_t height,
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grub_efi_uintn_t delta);
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struct grub_efi_gop
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{
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grub_efi_gop_query_mode_t query_mode;
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grub_efi_gop_set_mode_t set_mode;
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grub_efi_gop_blt_t blt;
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struct grub_efi_gop_mode *mode;
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};
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#endif
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