When drawing cursor, we should store original display content because there may be image data we would like to restore when the cursor is removed. PR: 254054 Reported by: Jose Luis Duran MFC after: 3 days
292 lines
8.1 KiB
C
292 lines
8.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright 2020 Toomas Soome
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* Copyright 2020 RackTop Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _GFX_FB_H
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#define _GFX_FB_H
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#include <sys/font.h>
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#include <teken.h>
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#include <stdbool.h>
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#include <machine/metadata.h>
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#include <pnglite.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define EDID_MAGIC { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 }
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struct edid_header {
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uint8_t header[8]; /* fixed header pattern */
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uint16_t manufacturer_id;
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uint16_t product_code;
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uint32_t serial_number;
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uint8_t week_of_manufacture;
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uint8_t year_of_manufacture;
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uint8_t version;
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uint8_t revision;
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};
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struct edid_basic_display_parameters {
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uint8_t video_input_parameters;
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uint8_t max_horizontal_image_size;
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uint8_t max_vertical_image_size;
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uint8_t display_gamma;
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uint8_t supported_features;
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};
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struct edid_chromaticity_coordinates {
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uint8_t red_green_lo;
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uint8_t blue_white_lo;
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uint8_t red_x_hi;
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uint8_t red_y_hi;
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uint8_t green_x_hi;
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uint8_t green_y_hi;
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uint8_t blue_x_hi;
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uint8_t blue_y_hi;
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uint8_t white_x_hi;
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uint8_t white_y_hi;
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};
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struct edid_detailed_timings {
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uint16_t pixel_clock;
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uint8_t horizontal_active_lo;
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uint8_t horizontal_blanking_lo;
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uint8_t horizontal_hi;
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uint8_t vertical_active_lo;
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uint8_t vertical_blanking_lo;
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uint8_t vertical_hi;
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uint8_t horizontal_sync_offset_lo;
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uint8_t horizontal_sync_pulse_width_lo;
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uint8_t vertical_sync_lo;
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uint8_t sync_hi;
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uint8_t horizontal_image_size_lo;
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uint8_t vertical_image_size_lo;
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uint8_t image_size_hi;
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uint8_t horizontal_border;
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uint8_t vertical_border;
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uint8_t features;
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};
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struct vesa_edid_info {
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struct edid_header header;
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struct edid_basic_display_parameters display;
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#define EDID_FEATURE_PREFERRED_TIMING_MODE (1 << 1)
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struct edid_chromaticity_coordinates chromaticity;
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uint8_t established_timings_1;
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uint8_t established_timings_2;
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uint8_t manufacturer_reserved_timings;
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uint16_t standard_timings[8];
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struct edid_detailed_timings detailed_timings[4];
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uint8_t number_of_extensions;
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uint8_t checksum;
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} __packed;
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extern struct vesa_edid_info *edid_info;
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#define STD_TIMINGS 8
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#define DET_TIMINGS 4
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#define HSIZE(x) (((x & 0xff) + 31) * 8)
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#define RATIO(x) ((x & 0xC000) >> 14)
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#define RATIO1_1 0
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/* EDID Ver. 1.3 redefined this */
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#define RATIO16_10 RATIO1_1
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#define RATIO4_3 1
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#define RATIO5_4 2
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#define RATIO16_9 3
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/*
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* Number of pixels and lines is 12-bit int, valid values 0-4095.
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*/
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#define EDID_MAX_PIXELS 4095
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#define EDID_MAX_LINES 4095
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#define GET_EDID_INFO_WIDTH(edid_info, timings_num) \
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((edid_info)->detailed_timings[(timings_num)].horizontal_active_lo | \
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(((uint32_t)(edid_info)->detailed_timings[(timings_num)].horizontal_hi & \
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0xf0) << 4))
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#define GET_EDID_INFO_HEIGHT(edid_info, timings_num) \
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((edid_info)->detailed_timings[(timings_num)].vertical_active_lo | \
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(((uint32_t)(edid_info)->detailed_timings[(timings_num)].vertical_hi & \
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0xf0) << 4))
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struct resolution {
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uint32_t width;
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uint32_t height;
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TAILQ_ENTRY(resolution) next;
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};
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typedef TAILQ_HEAD(edid_resolution, resolution) edid_res_list_t;
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struct vesa_flat_panel_info {
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uint16_t HSize; /* Horizontal Size in Pixels */
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uint16_t VSize; /* Vertical Size in Lines */
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uint16_t FPType; /* Flat Panel Type */
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uint8_t RedBPP; /* Red Bits Per Primary */
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uint8_t GreenBPP; /* Green Bits Per Primary */
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uint8_t BlueBPP; /* Blue Bits Per Primary */
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uint8_t ReservedBPP; /* Reserved Bits Per Primary */
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uint32_t RsvdOffScrnMemSize; /* Size in KB of Offscreen Memory */
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uint32_t RsvdOffScrnMemPtr; /* Pointer to reserved offscreen memory */
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uint8_t Reserved[14]; /* remainder of FPInfo */
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} __packed;
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#define COLOR_FORMAT_VGA 0
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#define COLOR_FORMAT_RGB 1
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#define NCOLORS 16
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#define NCMAP 256
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extern uint32_t cmap[NCMAP];
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/*
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* VT_FB_MAX_WIDTH and VT_FB_MAX_HEIGHT are dimensions from where
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* we will not auto select smaller font than 8x16.
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* See also sys/dev/vt/vt.h
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*/
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#ifndef VT_FB_MAX_WIDTH
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#define VT_FB_MAX_WIDTH 4096
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#endif
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#ifndef VT_FB_MAX_HEIGHT
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#define VT_FB_MAX_HEIGHT 2400
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#endif
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enum FB_TYPE {
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FB_TEXT = -1,
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FB_GOP,
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FB_UGA,
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FB_VBE
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};
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enum COLOR_TYPE {
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CT_INDEXED,
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CT_RGB
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};
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struct gen_fb {
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uint64_t fb_addr;
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uint64_t fb_size;
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uint32_t fb_height;
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uint32_t fb_width;
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uint32_t fb_stride;
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uint32_t fb_mask_red;
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uint32_t fb_mask_green;
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uint32_t fb_mask_blue;
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uint32_t fb_mask_reserved;
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uint32_t fb_bpp;
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};
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typedef struct teken_gfx {
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enum FB_TYPE tg_fb_type;
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enum COLOR_TYPE tg_ctype;
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unsigned tg_mode;
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teken_t tg_teken; /* Teken core */
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teken_pos_t tg_cursor; /* Where cursor was drawn */
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bool tg_cursor_visible;
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uint8_t *tg_cursor_image; /* Memory for cursor */
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size_t tg_cursor_size;
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teken_pos_t tg_tp; /* Terminal dimensions */
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teken_pos_t tg_origin; /* Point of origin in pixels */
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uint8_t *tg_glyph; /* Memory for glyph */
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size_t tg_glyph_size;
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struct vt_font tg_font;
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struct gen_fb tg_fb;
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teken_funcs_t *tg_functions;
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void *tg_private;
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bool tg_kernel_supported; /* Loaded kernel is supported */
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} teken_gfx_t;
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extern font_list_t fonts;
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extern teken_gfx_t gfx_state;
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typedef enum {
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GfxFbBltVideoFill,
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GfxFbBltVideoToBltBuffer,
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GfxFbBltBufferToVideo,
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GfxFbBltVideoToVideo,
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GfxFbBltOperationMax,
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} GFXFB_BLT_OPERATION;
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int gfxfb_blt(void *, GFXFB_BLT_OPERATION, uint32_t, uint32_t,
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uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
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int generate_cons_palette(uint32_t *, int, uint32_t, int, uint32_t, int,
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uint32_t, int);
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bool console_update_mode(bool);
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void setup_font(teken_gfx_t *, teken_unit_t, teken_unit_t);
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uint8_t *font_lookup(const struct vt_font *, teken_char_t,
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const teken_attr_t *);
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void bios_text_font(bool);
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/* teken callbacks. */
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tf_cursor_t gfx_fb_cursor;
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tf_putchar_t gfx_fb_putchar;
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tf_fill_t gfx_fb_fill;
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tf_copy_t gfx_fb_copy;
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tf_param_t gfx_fb_param;
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/* Screen buffer element */
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struct text_pixel {
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teken_char_t c;
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teken_attr_t a;
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};
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extern const int cons_to_vga_colors[NCOLORS];
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/* Screen buffer to track changes on the terminal screen. */
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extern struct text_pixel *screen_buffer;
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bool is_same_pixel(struct text_pixel *, struct text_pixel *);
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bool gfx_get_edid_resolution(struct vesa_edid_info *, edid_res_list_t *);
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void gfx_framework_init(void);
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void gfx_fb_cons_display(uint32_t, uint32_t, uint32_t, uint32_t, void *);
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void gfx_fb_setpixel(uint32_t, uint32_t);
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void gfx_fb_drawrect(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
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void gfx_term_drawrect(uint32_t, uint32_t, uint32_t, uint32_t);
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void gfx_fb_line(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
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void gfx_fb_bezier(uint32_t, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t,
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uint32_t);
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#define FL_PUTIMAGE_BORDER 0x1
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#define FL_PUTIMAGE_NOSCROLL 0x2
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#define FL_PUTIMAGE_DEBUG 0x80
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int gfx_fb_putimage(png_t *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t);
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bool gfx_parse_mode_str(char *, int *, int *, int *);
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void term_image_display(teken_gfx_t *, const teken_rect_t *);
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void reset_font_flags(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _GFX_FB_H */
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