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![Warner Losh](/assets/img/avatar_default.png)
This function will be used to draw in the graphics bindings when the loader is compiled with graphics (gfx) support. Provide definitions for lua and the simple interpreter. 4th support is forthcoming. Sponsored by: Netflix Reviewed by: kevans, jhb Differential Revision: https://reviews.freebsd.org/D43903
291 lines
8.1 KiB
C
291 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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#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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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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uint32_t *tg_shadow_fb; /* units of 4 bytes */
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size_t tg_shadow_sz; /* units of pages */
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teken_funcs_t *tg_functions;
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void *tg_private;
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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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void gfx_interp_md(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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