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Rev | Author | Line No. | Line |
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1363 | vana | 1 | /* |
3707 | decky | 2 | * Copyright (c) 2008 Martin Decky |
2071 | jermar | 3 | * Copyright (c) 2006 Jakub Vana |
4 | * Copyright (c) 2006 Ondrej Palkovsky |
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1363 | vana | 5 | * All rights reserved. |
6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions |
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9 | * are met: |
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10 | * |
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11 | * - Redistributions of source code must retain the above copyright |
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12 | * notice, this list of conditions and the following disclaimer. |
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13 | * - Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * - The name of the author may not be used to endorse or promote products |
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17 | * derived from this software without specific prior written permission. |
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18 | * |
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19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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24 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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29 | */ |
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30 | |||
1740 | jermar | 31 | /** |
32 | * @defgroup fb Graphical framebuffer |
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33 | * @brief HelenOS graphical framebuffer. |
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1649 | cejka | 34 | * @ingroup fbs |
35 | * @{ |
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3707 | decky | 36 | */ |
1888 | jermar | 37 | |
1649 | cejka | 38 | /** @file |
39 | */ |
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40 | |||
1430 | jermar | 41 | #include <stdlib.h> |
42 | #include <unistd.h> |
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43 | #include <string.h> |
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1363 | vana | 44 | #include <ddi.h> |
45 | #include <sysinfo.h> |
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46 | #include <align.h> |
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47 | #include <as.h> |
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48 | #include <ipc/fb.h> |
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49 | #include <ipc/ipc.h> |
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1430 | jermar | 50 | #include <ipc/ns.h> |
1363 | vana | 51 | #include <ipc/services.h> |
52 | #include <kernel/errno.h> |
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1993 | decky | 53 | #include <kernel/genarch/fb/visuals.h> |
3767 | svoboda | 54 | #include <console/color.h> |
55 | #include <console/style.h> |
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1392 | palkovsky | 56 | #include <async.h> |
1993 | decky | 57 | #include <bool.h> |
1505 | palkovsky | 58 | |
1404 | palkovsky | 59 | #include "font-8x16.h" |
1363 | vana | 60 | #include "fb.h" |
1505 | palkovsky | 61 | #include "main.h" |
62 | #include "../console/screenbuffer.h" |
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1547 | palkovsky | 63 | #include "ppm.h" |
1363 | vana | 64 | |
1711 | palkovsky | 65 | #include "pointer.xbm" |
66 | #include "pointer_mask.xbm" |
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67 | |||
3707 | decky | 68 | #define DEFAULT_BGCOLOR 0xf0f0f0 |
69 | #define DEFAULT_FGCOLOR 0x000000 |
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1363 | vana | 70 | |
3707 | decky | 71 | #define MAX_ANIM_LEN 8 |
72 | #define MAX_ANIMATIONS 4 |
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73 | #define MAX_PIXMAPS 256 /**< Maximum number of saved pixmaps */ |
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74 | #define MAX_VIEWPORTS 128 /**< Viewport is a rectangular area on the screen */ |
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1363 | vana | 75 | |
3744 | svoboda | 76 | /** Function to render a pixel from a RGB value. */ |
3707 | decky | 77 | typedef void (*rgb_conv_t)(void *, uint32_t); |
1363 | vana | 78 | |
3744 | svoboda | 79 | /** Function to draw a glyph. */ |
80 | typedef void (*dg_t)(unsigned int x, unsigned int y, bool cursor, |
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81 | uint8_t *glyphs, uint8_t glyph, uint32_t fg_color, uint32_t bg_color); |
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82 | |||
1485 | palkovsky | 83 | struct { |
3707 | decky | 84 | uint8_t *fb_addr; |
85 | |||
1875 | jermar | 86 | unsigned int xres; |
87 | unsigned int yres; |
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3707 | decky | 88 | |
1875 | jermar | 89 | unsigned int scanline; |
3707 | decky | 90 | unsigned int glyphscanline; |
91 | |||
1875 | jermar | 92 | unsigned int pixelbytes; |
3707 | decky | 93 | unsigned int glyphbytes; |
94 | |||
95 | rgb_conv_t rgb_conv; |
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1485 | palkovsky | 96 | } screen; |
1363 | vana | 97 | |
3767 | svoboda | 98 | /** Backbuffer character cell. */ |
1485 | palkovsky | 99 | typedef struct { |
3767 | svoboda | 100 | uint8_t glyph; |
101 | uint32_t fg_color; |
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102 | uint32_t bg_color; |
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103 | } bb_cell_t; |
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104 | |||
105 | typedef struct { |
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3707 | decky | 106 | bool initialized; |
107 | unsigned int x; |
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108 | unsigned int y; |
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109 | unsigned int width; |
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110 | unsigned int height; |
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111 | |||
1485 | palkovsky | 112 | /* Text support in window */ |
3707 | decky | 113 | unsigned int cols; |
114 | unsigned int rows; |
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115 | |||
3744 | svoboda | 116 | /* |
117 | * Style and glyphs for text printing |
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118 | */ |
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119 | |||
3767 | svoboda | 120 | /** Current attributes. */ |
121 | attr_rgb_t attr; |
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3744 | svoboda | 122 | |
123 | /** Pre-rendered mask for rendering glyphs. Different viewports |
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124 | * might use different drawing functions depending on whether their |
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125 | * scanlines are aligned on a word boundary.*/ |
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3707 | decky | 126 | uint8_t *glyphs; |
3744 | svoboda | 127 | |
3707 | decky | 128 | uint8_t *bgpixel; |
3744 | svoboda | 129 | |
130 | /** Glyph drawing function for this viewport. */ |
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131 | dg_t dglyph; |
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3707 | decky | 132 | |
1485 | palkovsky | 133 | /* Auto-cursor position */ |
3707 | decky | 134 | bool cursor_active; |
135 | unsigned int cur_col; |
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136 | unsigned int cur_row; |
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137 | bool cursor_shown; |
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138 | |||
139 | /* Back buffer */ |
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3767 | svoboda | 140 | bb_cell_t *backbuf; |
3707 | decky | 141 | unsigned int bbsize; |
1485 | palkovsky | 142 | } viewport_t; |
1363 | vana | 143 | |
1646 | palkovsky | 144 | typedef struct { |
3707 | decky | 145 | bool initialized; |
146 | bool enabled; |
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1646 | palkovsky | 147 | unsigned int vp; |
3707 | decky | 148 | |
1646 | palkovsky | 149 | unsigned int pos; |
150 | unsigned int animlen; |
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151 | unsigned int pixmaps[MAX_ANIM_LEN]; |
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152 | } animation_t; |
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3707 | decky | 153 | |
1646 | palkovsky | 154 | static animation_t animations[MAX_ANIMATIONS]; |
3707 | decky | 155 | static bool anims_enabled; |
1646 | palkovsky | 156 | |
1552 | palkovsky | 157 | typedef struct { |
158 | unsigned int width; |
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159 | unsigned int height; |
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1781 | jermar | 160 | uint8_t *data; |
1552 | palkovsky | 161 | } pixmap_t; |
3707 | decky | 162 | |
1552 | palkovsky | 163 | static pixmap_t pixmaps[MAX_PIXMAPS]; |
1485 | palkovsky | 164 | static viewport_t viewports[128]; |
165 | |||
3707 | decky | 166 | static bool client_connected = false; /**< Allow only 1 connection */ |
1485 | palkovsky | 167 | |
3767 | svoboda | 168 | static uint32_t color_table[16] = { |
169 | [COLOR_BLACK] = 0x000000, |
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170 | [COLOR_BLUE] = 0x0000f0, |
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171 | [COLOR_GREEN] = 0x00f000, |
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172 | [COLOR_CYAN] = 0x00f0f0, |
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173 | [COLOR_RED] = 0xf00000, |
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174 | [COLOR_MAGENTA] = 0xf000f0, |
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175 | [COLOR_YELLOW] = 0xf0f000, |
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176 | [COLOR_WHITE] = 0xf0f0f0, |
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177 | |||
178 | [8 + COLOR_BLACK] = 0x000000, |
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179 | [8 + COLOR_BLUE] = 0x0000ff, |
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180 | [8 + COLOR_GREEN] = 0x00ff00, |
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181 | [8 + COLOR_CYAN] = 0x00ffff, |
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182 | [8 + COLOR_RED] = 0xff0000, |
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183 | [8 + COLOR_MAGENTA] = 0xff00ff, |
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184 | [8 + COLOR_YELLOW] = 0xffff00, |
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185 | [8 + COLOR_WHITE] = 0xffffff, |
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186 | }; |
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187 | |||
3792 | svoboda | 188 | static int rgb_from_attr(attr_rgb_t *rgb, const attrs_t *a); |
3767 | svoboda | 189 | static int rgb_from_style(attr_rgb_t *rgb, int style); |
190 | static int rgb_from_idx(attr_rgb_t *rgb, ipcarg_t fg_color, |
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191 | ipcarg_t bg_color, ipcarg_t flags); |
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192 | |||
193 | static int fb_set_color(viewport_t *vport, ipcarg_t fg_color, |
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194 | ipcarg_t bg_color, ipcarg_t attr); |
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195 | |||
3744 | svoboda | 196 | static void draw_glyph_aligned(unsigned int x, unsigned int y, bool cursor, |
197 | uint8_t *glyphs, uint8_t glyph, uint32_t fg_color, uint32_t bg_color); |
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198 | static void draw_glyph_fallback(unsigned int x, unsigned int y, bool cursor, |
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199 | uint8_t *glyphs, uint8_t glyph, uint32_t fg_color, uint32_t bg_color); |
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200 | |||
3739 | svoboda | 201 | static void draw_vp_glyph(viewport_t *vport, bool cursor, unsigned int col, |
3723 | svoboda | 202 | unsigned int row); |
203 | |||
204 | |||
3707 | decky | 205 | #define RED(x, bits) ((x >> (8 + 8 + 8 - bits)) & ((1 << bits) - 1)) |
206 | #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
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207 | #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
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1363 | vana | 208 | |
3707 | decky | 209 | #define COL2X(col) ((col) * FONT_WIDTH) |
210 | #define ROW2Y(row) ((row) * FONT_SCANLINES) |
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1363 | vana | 211 | |
3707 | decky | 212 | #define X2COL(x) ((x) / FONT_WIDTH) |
213 | #define Y2ROW(y) ((y) / FONT_SCANLINES) |
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1363 | vana | 214 | |
3707 | decky | 215 | #define FB_POS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes) |
216 | #define BB_POS(vport, col, row) ((row) * vport->cols + (col)) |
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217 | #define GLYPH_POS(glyph, y, cursor) (((glyph) + (cursor) * FONT_GLYPHS) * screen.glyphbytes + (y) * screen.glyphscanline) |
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1875 | jermar | 218 | |
1363 | vana | 219 | |
3707 | decky | 220 | /** ARGB 8:8:8:8 conversion |
221 | * |
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222 | */ |
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223 | static void rgb_0888(void *dst, uint32_t rgb) |
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1363 | vana | 224 | { |
3707 | decky | 225 | *((uint32_t *) dst) = rgb & 0xffffff; |
1363 | vana | 226 | } |
227 | |||
1994 | decky | 228 | |
3707 | decky | 229 | /** ABGR 8:8:8:8 conversion |
230 | * |
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231 | */ |
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232 | static void bgr_0888(void *dst, uint32_t rgb) |
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1994 | decky | 233 | { |
3707 | decky | 234 | *((uint32_t *) dst) |
235 | = (BLUE(rgb, 8) << 16) | (GREEN(rgb, 8) << 8) | RED(rgb, 8); |
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1994 | decky | 236 | } |
237 | |||
3707 | decky | 238 | |
3882 | decky | 239 | /** RGB 8:8:8 conversion |
3707 | decky | 240 | * |
241 | */ |
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242 | static void rgb_888(void *dst, uint32_t rgb) |
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1363 | vana | 243 | { |
3710 | decky | 244 | ((uint8_t *) dst)[0] = BLUE(rgb, 8); |
245 | ((uint8_t *) dst)[1] = GREEN(rgb, 8); |
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246 | ((uint8_t *) dst)[2] = RED(rgb, 8); |
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1363 | vana | 247 | } |
248 | |||
249 | |||
3882 | decky | 250 | /** BGR 8:8:8 conversion |
251 | * |
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252 | */ |
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253 | static void bgr_888(void *dst, uint32_t rgb) |
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254 | { |
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255 | ((uint8_t *) dst)[0] = RED(rgb, 8); |
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256 | ((uint8_t *) dst)[1] = GREEN(rgb, 8); |
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257 | ((uint8_t *) dst)[2] = BLUE(rgb, 8); |
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258 | } |
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259 | |||
260 | |||
3707 | decky | 261 | /** RGB 5:5:5 conversion |
262 | * |
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263 | */ |
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264 | static void rgb_555(void *dst, uint32_t rgb) |
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1993 | decky | 265 | { |
3707 | decky | 266 | *((uint16_t *) dst) |
267 | = (RED(rgb, 5) << 10) | (GREEN(rgb, 5) << 5) | BLUE(rgb, 5); |
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1993 | decky | 268 | } |
269 | |||
270 | |||
3707 | decky | 271 | /** RGB 5:6:5 conversion |
272 | * |
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273 | */ |
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274 | static void rgb_565(void *dst, uint32_t rgb) |
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1363 | vana | 275 | { |
3707 | decky | 276 | *((uint16_t *) dst) |
277 | = (RED(rgb, 5) << 11) | (GREEN(rgb, 6) << 5) | BLUE(rgb, 5); |
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1363 | vana | 278 | } |
279 | |||
280 | |||
3707 | decky | 281 | /** RGB 3:2:3 |
282 | * |
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283 | */ |
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284 | static void rgb_323(void *dst, uint32_t rgb) |
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1363 | vana | 285 | { |
3707 | decky | 286 | *((uint8_t *) dst) |
287 | = ~((RED(rgb, 3) << 5) | (GREEN(rgb, 2) << 3) | BLUE(rgb, 3)); |
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1363 | vana | 288 | } |
289 | |||
3725 | svoboda | 290 | /** Draw a filled rectangle. |
291 | * |
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292 | * @note Need real implementation that does not access VRAM twice. |
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293 | */ |
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3723 | svoboda | 294 | static void draw_filled_rect(unsigned int x0, unsigned int y0, unsigned int x1, |
295 | unsigned int y1, uint32_t color) |
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296 | { |
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297 | unsigned int x, y; |
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3725 | svoboda | 298 | unsigned int copy_bytes; |
299 | |||
300 | uint8_t *sp, *dp; |
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3723 | svoboda | 301 | uint8_t cbuf[4]; |
1363 | vana | 302 | |
3725 | svoboda | 303 | if (y0 >= y1 || x0 >= x1) return; |
3723 | svoboda | 304 | screen.rgb_conv(cbuf, color); |
305 | |||
3725 | svoboda | 306 | sp = &screen.fb_addr[FB_POS(x0, y0)]; |
307 | dp = sp; |
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308 | |||
309 | /* Draw the first line. */ |
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310 | for (x = x0; x < x1; x++) { |
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311 | memcpy(dp, cbuf, screen.pixelbytes); |
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312 | dp += screen.pixelbytes; |
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3723 | svoboda | 313 | } |
3725 | svoboda | 314 | |
315 | dp = sp + screen.scanline; |
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316 | copy_bytes = (x1 - x0) * screen.pixelbytes; |
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317 | |||
318 | /* Draw the remaining lines by copying. */ |
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319 | for (y = y0 + 1; y < y1; y++) { |
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320 | memcpy(dp, sp, copy_bytes); |
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321 | dp += screen.scanline; |
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322 | } |
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3723 | svoboda | 323 | } |
324 | |||
325 | /** Redraw viewport. |
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1498 | palkovsky | 326 | * |
3707 | decky | 327 | * @param vport Viewport to redraw |
328 | * |
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1498 | palkovsky | 329 | */ |
3707 | decky | 330 | static void vport_redraw(viewport_t *vport) |
1485 | palkovsky | 331 | { |
3723 | svoboda | 332 | unsigned int row, col; |
333 | |||
3707 | decky | 334 | for (row = 0; row < vport->rows; row++) { |
3723 | svoboda | 335 | for (col = 0; col < vport->cols; col++) { |
3739 | svoboda | 336 | draw_vp_glyph(vport, false, col, row); |
3707 | decky | 337 | } |
1672 | palkovsky | 338 | } |
3723 | svoboda | 339 | |
3707 | decky | 340 | if (COL2X(vport->cols) < vport->width) { |
3723 | svoboda | 341 | draw_filled_rect( |
342 | vport->x + COL2X(vport->cols), vport->y, |
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343 | vport->x + vport->width, vport->y + vport->height, |
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3767 | svoboda | 344 | vport->attr.bg_color); |
1672 | palkovsky | 345 | } |
3723 | svoboda | 346 | |
3707 | decky | 347 | if (ROW2Y(vport->rows) < vport->height) { |
3723 | svoboda | 348 | draw_filled_rect( |
349 | vport->x, vport->y + ROW2Y(vport->rows), |
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350 | vport->x + vport->width, vport->y + vport->height, |
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3767 | svoboda | 351 | vport->attr.bg_color); |
1672 | palkovsky | 352 | } |
1559 | palkovsky | 353 | } |
354 | |||
3767 | svoboda | 355 | static void backbuf_clear(bb_cell_t *backbuf, size_t len, uint32_t fg_color, |
356 | uint32_t bg_color) |
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357 | { |
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358 | unsigned i; |
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3707 | decky | 359 | |
3767 | svoboda | 360 | for (i = 0; i < len; i++) { |
361 | backbuf[i].glyph = 0; |
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362 | backbuf[i].fg_color = fg_color; |
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363 | backbuf[i].bg_color = bg_color; |
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364 | } |
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365 | } |
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366 | |||
3724 | svoboda | 367 | /** Clear viewport. |
3707 | decky | 368 | * |
369 | * @param vport Viewport to clear |
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370 | * |
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371 | */ |
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372 | static void vport_clear(viewport_t *vport) |
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1363 | vana | 373 | { |
3767 | svoboda | 374 | backbuf_clear(vport->backbuf, vport->cols * vport->rows, |
375 | vport->attr.fg_color, vport->attr.bg_color); |
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3707 | decky | 376 | vport_redraw(vport); |
1363 | vana | 377 | } |
378 | |||
3724 | svoboda | 379 | /** Scroll viewport by the specified number of lines. |
1485 | palkovsky | 380 | * |
1709 | jermar | 381 | * @param vport Viewport to scroll |
3707 | decky | 382 | * @param lines Number of lines to scroll |
383 | * |
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1485 | palkovsky | 384 | */ |
3707 | decky | 385 | static void vport_scroll(viewport_t *vport, int lines) |
1363 | vana | 386 | { |
3726 | svoboda | 387 | unsigned int row, col; |
3739 | svoboda | 388 | unsigned int x, y; |
389 | uint8_t glyph; |
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3767 | svoboda | 390 | uint32_t fg_color; |
391 | uint32_t bg_color; |
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392 | bb_cell_t *bbp, *xbp; |
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3726 | svoboda | 393 | |
3724 | svoboda | 394 | /* |
3739 | svoboda | 395 | * Redraw. |
396 | */ |
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397 | |||
398 | y = vport->y; |
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399 | for (row = 0; row < vport->rows; row++) { |
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400 | x = vport->x; |
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401 | for (col = 0; col < vport->cols; col++) { |
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402 | if ((row + lines >= 0) && (row + lines < vport->rows)) { |
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3767 | svoboda | 403 | xbp = &vport->backbuf[BB_POS(vport, col, row + lines)]; |
404 | bbp = &vport->backbuf[BB_POS(vport, col, row)]; |
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3739 | svoboda | 405 | |
3767 | svoboda | 406 | glyph = xbp->glyph; |
407 | fg_color = xbp->fg_color; |
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408 | bg_color = xbp->bg_color; |
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409 | |||
410 | if (bbp->glyph == glyph && |
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411 | bbp->fg_color == xbp->fg_color && |
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412 | bbp->bg_color == xbp->bg_color) { |
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3739 | svoboda | 413 | x += FONT_WIDTH; |
414 | continue; |
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415 | } |
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416 | } else { |
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417 | glyph = 0; |
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3767 | svoboda | 418 | fg_color = vport->attr.fg_color; |
419 | bg_color = vport->attr.bg_color; |
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3739 | svoboda | 420 | } |
421 | |||
3744 | svoboda | 422 | (*vport->dglyph)(x, y, false, vport->glyphs, glyph, |
3767 | svoboda | 423 | fg_color, bg_color); |
3739 | svoboda | 424 | x += FONT_WIDTH; |
425 | } |
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426 | y += FONT_SCANLINES; |
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427 | } |
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428 | |||
429 | /* |
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3724 | svoboda | 430 | * Scroll backbuffer. |
431 | */ |
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3723 | svoboda | 432 | |
1672 | palkovsky | 433 | if (lines > 0) { |
3739 | svoboda | 434 | memmove(vport->backbuf, vport->backbuf + vport->cols * lines, |
3767 | svoboda | 435 | vport->cols * (vport->rows - lines) * sizeof(bb_cell_t)); |
436 | backbuf_clear(&vport->backbuf[BB_POS(vport, 0, vport->rows - lines)], |
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437 | vport->cols * lines, vport->attr.fg_color, vport->attr.bg_color); |
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3707 | decky | 438 | } else { |
3739 | svoboda | 439 | memmove(vport->backbuf - vport->cols * lines, vport->backbuf, |
3767 | svoboda | 440 | vport->cols * (vport->rows + lines) * sizeof(bb_cell_t)); |
441 | backbuf_clear(vport->backbuf, - vport->cols * lines, |
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442 | vport->attr.fg_color, vport->attr.bg_color); |
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1672 | palkovsky | 443 | } |
444 | } |
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445 | |||
3707 | decky | 446 | /** Render glyphs |
1558 | palkovsky | 447 | * |
3707 | decky | 448 | * Convert glyphs from device independent font |
449 | * description to current visual representation. |
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450 | * |
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451 | * @param vport Viewport |
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452 | * |
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1558 | palkovsky | 453 | */ |
3707 | decky | 454 | static void render_glyphs(viewport_t* vport) |
1363 | vana | 455 | { |
3707 | decky | 456 | unsigned int glyph; |
457 | |||
458 | for (glyph = 0; glyph < FONT_GLYPHS; glyph++) { |
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459 | unsigned int y; |
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460 | |||
461 | for (y = 0; y < FONT_SCANLINES; y++) { |
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462 | unsigned int x; |
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463 | |||
464 | for (x = 0; x < FONT_WIDTH; x++) { |
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465 | screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, false) + x * screen.pixelbytes], |
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466 | (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x))) |
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3744 | svoboda | 467 | ? 0xffffff : 0x000000); |
3707 | decky | 468 | |
3744 | svoboda | 469 | screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, true) + x * screen.pixelbytes], |
470 | (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x))) |
||
471 | ? 0x000000 : 0xffffff); |
||
3707 | decky | 472 | } |
1509 | palkovsky | 473 | } |
474 | } |
||
3707 | decky | 475 | |
3767 | svoboda | 476 | screen.rgb_conv(vport->bgpixel, vport->attr.bg_color); |
1363 | vana | 477 | } |
478 | |||
479 | |||
1485 | palkovsky | 480 | /** Create new viewport |
1363 | vana | 481 | * |
3707 | decky | 482 | * @param x Origin of the viewport (x). |
483 | * @param y Origin of the viewport (y). |
||
484 | * @param width Width of the viewport. |
||
485 | * @param height Height of the viewport. |
||
486 | * |
||
487 | * @return New viewport number. |
||
488 | * |
||
1363 | vana | 489 | */ |
3707 | decky | 490 | static int vport_create(unsigned int x, unsigned int y, |
491 | unsigned int width, unsigned int height) |
||
1363 | vana | 492 | { |
3707 | decky | 493 | unsigned int i; |
494 | |||
2070 | jermar | 495 | for (i = 0; i < MAX_VIEWPORTS; i++) { |
1485 | palkovsky | 496 | if (!viewports[i].initialized) |
1363 | vana | 497 | break; |
498 | } |
||
1485 | palkovsky | 499 | if (i == MAX_VIEWPORTS) |
500 | return ELIMIT; |
||
3707 | decky | 501 | |
502 | unsigned int cols = width / FONT_WIDTH; |
||
503 | unsigned int rows = height / FONT_SCANLINES; |
||
3767 | svoboda | 504 | unsigned int bbsize = cols * rows * sizeof(bb_cell_t); |
3707 | decky | 505 | unsigned int glyphsize = 2 * FONT_GLYPHS * screen.glyphbytes; |
3744 | svoboda | 506 | unsigned int word_size = sizeof(unsigned long); |
3707 | decky | 507 | |
3767 | svoboda | 508 | bb_cell_t *backbuf = (bb_cell_t *) malloc(bbsize); |
3707 | decky | 509 | if (!backbuf) |
510 | return ENOMEM; |
||
511 | |||
512 | uint8_t *glyphs = (uint8_t *) malloc(glyphsize); |
||
513 | if (!glyphs) { |
||
514 | free(backbuf); |
||
515 | return ENOMEM; |
||
516 | } |
||
517 | |||
518 | uint8_t *bgpixel = (uint8_t *) malloc(screen.pixelbytes); |
||
519 | if (!bgpixel) { |
||
520 | free(glyphs); |
||
521 | free(backbuf); |
||
522 | return ENOMEM; |
||
523 | } |
||
3767 | svoboda | 524 | |
525 | backbuf_clear(backbuf, cols * rows, DEFAULT_FGCOLOR, DEFAULT_BGCOLOR); |
||
3707 | decky | 526 | memset(glyphs, 0, glyphsize); |
527 | memset(bgpixel, 0, screen.pixelbytes); |
||
528 | |||
1485 | palkovsky | 529 | viewports[i].x = x; |
530 | viewports[i].y = y; |
||
531 | viewports[i].width = width; |
||
532 | viewports[i].height = height; |
||
1363 | vana | 533 | |
3707 | decky | 534 | viewports[i].cols = cols; |
535 | viewports[i].rows = rows; |
||
536 | |||
3767 | svoboda | 537 | viewports[i].attr.bg_color = DEFAULT_BGCOLOR; |
538 | viewports[i].attr.fg_color = DEFAULT_FGCOLOR; |
||
1363 | vana | 539 | |
3707 | decky | 540 | viewports[i].glyphs = glyphs; |
541 | viewports[i].bgpixel = bgpixel; |
||
3744 | svoboda | 542 | |
543 | /* |
||
544 | * Conditions necessary to select aligned version: |
||
545 | * |
||
546 | * - word size is divisible by pixelbytes |
||
547 | * - cell scanline size is divisible by word size |
||
548 | * - cell scanlines are word-aligned |
||
549 | */ |
||
550 | if ((word_size % screen.pixelbytes) == 0 && |
||
551 | (FONT_WIDTH * screen.pixelbytes) % word_size == 0 && |
||
552 | (x * screen.pixelbytes) % word_size == 0 && |
||
553 | screen.scanline % word_size == 0) { |
||
554 | |||
555 | viewports[i].dglyph = draw_glyph_aligned; |
||
556 | } else { |
||
557 | viewports[i].dglyph = draw_glyph_fallback; |
||
558 | } |
||
559 | |||
1489 | palkovsky | 560 | viewports[i].cur_col = 0; |
561 | viewports[i].cur_row = 0; |
||
3707 | decky | 562 | viewports[i].cursor_active = false; |
563 | viewports[i].cursor_shown = false; |
||
564 | |||
565 | viewports[i].bbsize = bbsize; |
||
566 | viewports[i].backbuf = backbuf; |
||
567 | |||
568 | viewports[i].initialized = true; |
||
569 | |||
570 | render_glyphs(&viewports[i]); |
||
571 | |||
1485 | palkovsky | 572 | return i; |
1363 | vana | 573 | } |
574 | |||
3707 | decky | 575 | |
1363 | vana | 576 | /** Initialize framebuffer as a chardev output device |
577 | * |
||
3707 | decky | 578 | * @param addr Address of the framebuffer |
579 | * @param xres Screen width in pixels |
||
580 | * @param yres Screen height in pixels |
||
581 | * @param visual Bits per pixel (8, 16, 24, 32) |
||
582 | * @param scan Bytes per one scanline |
||
1363 | vana | 583 | * |
584 | */ |
||
3707 | decky | 585 | static bool screen_init(void *addr, unsigned int xres, unsigned int yres, |
586 | unsigned int scan, unsigned int visual) |
||
1363 | vana | 587 | { |
1993 | decky | 588 | switch (visual) { |
589 | case VISUAL_INDIRECT_8: |
||
3707 | decky | 590 | screen.rgb_conv = rgb_323; |
1886 | jermar | 591 | screen.pixelbytes = 1; |
592 | break; |
||
1993 | decky | 593 | case VISUAL_RGB_5_5_5: |
3707 | decky | 594 | screen.rgb_conv = rgb_555; |
1886 | jermar | 595 | screen.pixelbytes = 2; |
596 | break; |
||
1993 | decky | 597 | case VISUAL_RGB_5_6_5: |
3707 | decky | 598 | screen.rgb_conv = rgb_565; |
1993 | decky | 599 | screen.pixelbytes = 2; |
1886 | jermar | 600 | break; |
1993 | decky | 601 | case VISUAL_RGB_8_8_8: |
3707 | decky | 602 | screen.rgb_conv = rgb_888; |
1993 | decky | 603 | screen.pixelbytes = 3; |
604 | break; |
||
3882 | decky | 605 | case VISUAL_BGR_8_8_8: |
606 | screen.rgb_conv = bgr_888; |
||
607 | screen.pixelbytes = 3; |
||
608 | break; |
||
1993 | decky | 609 | case VISUAL_RGB_8_8_8_0: |
3707 | decky | 610 | screen.rgb_conv = rgb_888; |
1886 | jermar | 611 | screen.pixelbytes = 4; |
612 | break; |
||
1993 | decky | 613 | case VISUAL_RGB_0_8_8_8: |
3707 | decky | 614 | screen.rgb_conv = rgb_0888; |
1993 | decky | 615 | screen.pixelbytes = 4; |
616 | break; |
||
1994 | decky | 617 | case VISUAL_BGR_0_8_8_8: |
3707 | decky | 618 | screen.rgb_conv = bgr_0888; |
1994 | decky | 619 | screen.pixelbytes = 4; |
620 | break; |
||
1993 | decky | 621 | default: |
622 | return false; |
||
1363 | vana | 623 | } |
624 | |||
3707 | decky | 625 | screen.fb_addr = (unsigned char *) addr; |
1485 | palkovsky | 626 | screen.xres = xres; |
627 | screen.yres = yres; |
||
628 | screen.scanline = scan; |
||
1363 | vana | 629 | |
3707 | decky | 630 | screen.glyphscanline = FONT_WIDTH * screen.pixelbytes; |
631 | screen.glyphbytes = screen.glyphscanline * FONT_SCANLINES; |
||
632 | |||
1485 | palkovsky | 633 | /* Create first viewport */ |
3707 | decky | 634 | vport_create(0, 0, xres, yres); |
1993 | decky | 635 | |
636 | return true; |
||
1485 | palkovsky | 637 | } |
1363 | vana | 638 | |
3707 | decky | 639 | |
3744 | svoboda | 640 | /** Draw a glyph, takes advantage of alignment. |
3707 | decky | 641 | * |
3744 | svoboda | 642 | * This version can only be used if the following conditions are met: |
3739 | svoboda | 643 | * |
3744 | svoboda | 644 | * - word size is divisible by pixelbytes |
645 | * - cell scanline size is divisible by word size |
||
646 | * - cell scanlines are word-aligned |
||
647 | * |
||
648 | * It makes use of the pre-rendered mask to process (possibly) several |
||
649 | * pixels at once (word size / pixelbytes pixels at a time are processed) |
||
650 | * making it very fast. Most notably this version is not applicable at 24 bits |
||
651 | * per pixel. |
||
652 | * |
||
653 | * @param x x coordinate of top-left corner on screen. |
||
654 | * @param y y coordinate of top-left corner on screen. |
||
655 | * @param cursor Draw glyph with cursor |
||
656 | * @param glyphs Pointer to font bitmap. |
||
657 | * @param glyph Code of the glyph to draw. |
||
658 | * @param fg_color Foreground color. |
||
659 | * @param bg_color Backgroudn color. |
||
3739 | svoboda | 660 | */ |
3744 | svoboda | 661 | static void draw_glyph_aligned(unsigned int x, unsigned int y, bool cursor, |
662 | uint8_t *glyphs, uint8_t glyph, uint32_t fg_color, uint32_t bg_color) |
||
3739 | svoboda | 663 | { |
3744 | svoboda | 664 | unsigned int i, yd; |
665 | unsigned long fg_buf, bg_buf; |
||
666 | unsigned long *maskp, *dp; |
||
667 | unsigned long mask; |
||
668 | unsigned int ww, d_add; |
||
669 | |||
670 | /* |
||
671 | * Prepare a pair of words, one filled with foreground-color |
||
672 | * pattern and the other filled with background-color pattern. |
||
673 | */ |
||
674 | for (i = 0; i < sizeof(unsigned long) / screen.pixelbytes; i++) { |
||
675 | screen.rgb_conv(&((uint8_t *)&fg_buf)[i * screen.pixelbytes], |
||
676 | fg_color); |
||
677 | screen.rgb_conv(&((uint8_t *)&bg_buf)[i * screen.pixelbytes], |
||
678 | bg_color); |
||
679 | } |
||
680 | |||
681 | |||
682 | /* Pointer to the current position in the mask. */ |
||
683 | maskp = (unsigned long *) &glyphs[GLYPH_POS(glyph, 0, cursor)]; |
||
684 | |||
685 | /* Pointer to the current position on the screen. */ |
||
686 | dp = (unsigned long *) &screen.fb_addr[FB_POS(x, y)]; |
||
687 | |||
688 | /* Width of the character cell in words. */ |
||
689 | ww = FONT_WIDTH * screen.pixelbytes / sizeof(unsigned long); |
||
690 | |||
691 | /* Offset to add when moving to another screen scanline. */ |
||
692 | d_add = screen.scanline - FONT_WIDTH * screen.pixelbytes; |
||
693 | |||
694 | for (yd = 0; yd < FONT_SCANLINES; yd++) { |
||
695 | /* |
||
696 | * Now process the cell scanline, combining foreground |
||
697 | * and background color patters using the pre-rendered mask. |
||
698 | */ |
||
699 | for (i = 0; i < ww; i++) { |
||
700 | mask = *maskp++; |
||
701 | *dp++ = (fg_buf & mask) | (bg_buf & ~mask); |
||
702 | } |
||
703 | |||
704 | /* Move to the beginning of the next scanline of the cell. */ |
||
705 | dp = (unsigned long *) ((uint8_t *) dp + d_add); |
||
706 | } |
||
3739 | svoboda | 707 | } |
708 | |||
3744 | svoboda | 709 | /** Draw a glyph, fallback version. |
710 | * |
||
711 | * This version does not make use of the pre-rendered mask, it uses |
||
712 | * the font bitmap directly. It works always, but it is slower. |
||
713 | * |
||
714 | * @param x x coordinate of top-left corner on screen. |
||
715 | * @param y y coordinate of top-left corner on screen. |
||
716 | * @param cursor Draw glyph with cursor |
||
717 | * @param glyphs Pointer to font bitmap. |
||
718 | * @param glyph Code of the glyph to draw. |
||
719 | * @param fg_color Foreground color. |
||
720 | * @param bg_color Backgroudn color. |
||
721 | */ |
||
722 | void draw_glyph_fallback(unsigned int x, unsigned int y, bool cursor, |
||
723 | uint8_t *glyphs, uint8_t glyph, uint32_t fg_color, uint32_t bg_color) |
||
724 | { |
||
725 | unsigned int i, j, yd; |
||
726 | uint8_t fg_buf[4], bg_buf[4]; |
||
727 | uint8_t *dp, *sp; |
||
728 | unsigned int d_add; |
||
729 | uint8_t b; |
||
730 | |||
731 | /* Pre-render 1x the foreground and background color pixels. */ |
||
732 | if (cursor) { |
||
733 | screen.rgb_conv(fg_buf, bg_color); |
||
734 | screen.rgb_conv(bg_buf, fg_color); |
||
735 | } else { |
||
736 | screen.rgb_conv(fg_buf, fg_color); |
||
737 | screen.rgb_conv(bg_buf, bg_color); |
||
738 | } |
||
739 | |||
740 | /* Pointer to the current position on the screen. */ |
||
741 | dp = (uint8_t *) &screen.fb_addr[FB_POS(x, y)]; |
||
742 | |||
743 | /* Offset to add when moving to another screen scanline. */ |
||
744 | d_add = screen.scanline - FONT_WIDTH * screen.pixelbytes; |
||
745 | |||
746 | for (yd = 0; yd < FONT_SCANLINES; yd++) { |
||
747 | /* Byte containing bits of the glyph scanline. */ |
||
748 | b = fb_font[glyph * FONT_SCANLINES + yd]; |
||
749 | |||
750 | for (i = 0; i < FONT_WIDTH; i++) { |
||
751 | /* Choose color based on the current bit. */ |
||
752 | sp = (b & 0x80) ? fg_buf : bg_buf; |
||
753 | |||
754 | /* Copy the pixel. */ |
||
755 | for (j = 0; j < screen.pixelbytes; j++) { |
||
756 | *dp++ = *sp++; |
||
757 | } |
||
758 | |||
759 | /* Move to the next bit. */ |
||
760 | b = b << 1; |
||
761 | } |
||
762 | |||
763 | /* Move to the beginning of the next scanline of the cell. */ |
||
764 | dp += d_add; |
||
765 | } |
||
766 | } |
||
767 | |||
3739 | svoboda | 768 | /** Draw glyph at specified position in viewport. |
769 | * |
||
3707 | decky | 770 | * @param vport Viewport identification |
771 | * @param cursor Draw glyph with cursor |
||
772 | * @param col Screen position relative to viewport |
||
773 | * @param row Screen position relative to viewport |
||
774 | * |
||
775 | */ |
||
3739 | svoboda | 776 | static void draw_vp_glyph(viewport_t *vport, bool cursor, unsigned int col, |
777 | unsigned int row) |
||
1500 | palkovsky | 778 | { |
3707 | decky | 779 | unsigned int x = vport->x + COL2X(col); |
780 | unsigned int y = vport->y + ROW2Y(row); |
||
3767 | svoboda | 781 | |
3739 | svoboda | 782 | uint8_t glyph; |
3767 | svoboda | 783 | uint32_t fg_color; |
784 | uint32_t bg_color; |
||
3707 | decky | 785 | |
3767 | svoboda | 786 | glyph = vport->backbuf[BB_POS(vport, col, row)].glyph; |
787 | fg_color = vport->backbuf[BB_POS(vport, col, row)].fg_color; |
||
788 | bg_color = vport->backbuf[BB_POS(vport, col, row)].bg_color; |
||
3744 | svoboda | 789 | |
790 | (*vport->dglyph)(x, y, cursor, vport->glyphs, glyph, |
||
3767 | svoboda | 791 | fg_color, bg_color); |
3707 | decky | 792 | } |
793 | |||
794 | /** Hide cursor if it is shown |
||
795 | * |
||
796 | */ |
||
797 | static void cursor_hide(viewport_t *vport) |
||
798 | { |
||
799 | if ((vport->cursor_active) && (vport->cursor_shown)) { |
||
3739 | svoboda | 800 | draw_vp_glyph(vport, false, vport->cur_col, vport->cur_row); |
3707 | decky | 801 | vport->cursor_shown = false; |
1500 | palkovsky | 802 | } |
803 | } |
||
804 | |||
3707 | decky | 805 | |
806 | /** Show cursor if cursor showing is enabled |
||
807 | * |
||
808 | */ |
||
809 | static void cursor_show(viewport_t *vport) |
||
1500 | palkovsky | 810 | { |
811 | /* Do not check for cursor_shown */ |
||
812 | if (vport->cursor_active) { |
||
3739 | svoboda | 813 | draw_vp_glyph(vport, true, vport->cur_col, vport->cur_row); |
3707 | decky | 814 | vport->cursor_shown = true; |
1500 | palkovsky | 815 | } |
816 | } |
||
817 | |||
3707 | decky | 818 | |
819 | /** Invert cursor, if it is enabled |
||
820 | * |
||
821 | */ |
||
822 | static void cursor_blink(viewport_t *vport) |
||
1500 | palkovsky | 823 | { |
824 | if (vport->cursor_shown) |
||
1673 | palkovsky | 825 | cursor_hide(vport); |
1500 | palkovsky | 826 | else |
3707 | decky | 827 | cursor_show(vport); |
1500 | palkovsky | 828 | } |
829 | |||
3707 | decky | 830 | |
831 | /** Draw character at given position relative to viewport |
||
832 | * |
||
833 | * @param vport Viewport identification |
||
834 | * @param c Character to draw |
||
835 | * @param col Screen position relative to viewport |
||
836 | * @param row Screen position relative to viewport |
||
837 | * |
||
1498 | palkovsky | 838 | */ |
3707 | decky | 839 | static void draw_char(viewport_t *vport, uint8_t c, unsigned int col, unsigned int row) |
1486 | palkovsky | 840 | { |
3767 | svoboda | 841 | bb_cell_t *bbp; |
842 | |||
3707 | decky | 843 | /* Do not hide cursor if we are going to overwrite it */ |
844 | if ((vport->cursor_active) && (vport->cursor_shown) && |
||
845 | ((vport->cur_col != col) || (vport->cur_row != row))) |
||
846 | cursor_hide(vport); |
||
3767 | svoboda | 847 | |
848 | bbp = &vport->backbuf[BB_POS(vport, col, row)]; |
||
849 | bbp->glyph = c; |
||
850 | bbp->fg_color = vport->attr.fg_color; |
||
851 | bbp->bg_color = vport->attr.bg_color; |
||
852 | |||
3739 | svoboda | 853 | draw_vp_glyph(vport, false, col, row); |
3707 | decky | 854 | |
1489 | palkovsky | 855 | vport->cur_col = col; |
856 | vport->cur_row = row; |
||
3707 | decky | 857 | |
1489 | palkovsky | 858 | vport->cur_col++; |
2025 | jermar | 859 | if (vport->cur_col >= vport->cols) { |
1489 | palkovsky | 860 | vport->cur_col = 0; |
861 | vport->cur_row++; |
||
862 | if (vport->cur_row >= vport->rows) |
||
863 | vport->cur_row--; |
||
1486 | palkovsky | 864 | } |
3707 | decky | 865 | |
866 | cursor_show(vport); |
||
1486 | palkovsky | 867 | } |
868 | |||
4167 | svoboda | 869 | /** Draw text data to viewport. |
1552 | palkovsky | 870 | * |
1709 | jermar | 871 | * @param vport Viewport id |
4167 | svoboda | 872 | * @param data Text data. |
873 | * @param x Leftmost column of the area. |
||
874 | * @param y Topmost row of the area. |
||
875 | * @param w Number of rows. |
||
876 | * @param h Number of columns. |
||
1552 | palkovsky | 877 | */ |
4167 | svoboda | 878 | static void draw_text_data(viewport_t *vport, keyfield_t *data, unsigned int x, |
879 | unsigned int y, unsigned int w, unsigned int h) |
||
1505 | palkovsky | 880 | { |
4167 | svoboda | 881 | unsigned int i, j; |
3767 | svoboda | 882 | bb_cell_t *bbp; |
883 | attrs_t *a; |
||
884 | attr_rgb_t rgb; |
||
885 | |||
4167 | svoboda | 886 | for (j = 0; j < h; j++) { |
887 | for (i = 0; i < w; i++) { |
||
888 | unsigned int col = x + i; |
||
889 | unsigned int row = y + j; |
||
3767 | svoboda | 890 | |
4167 | svoboda | 891 | bbp = &vport->backbuf[BB_POS(vport, col, row)]; |
892 | uint8_t glyph = bbp->glyph; |
||
3767 | svoboda | 893 | |
4167 | svoboda | 894 | a = &data[j * w + i].attrs; |
895 | rgb_from_attr(&rgb, a); |
||
896 | |||
897 | bbp->glyph = data[j * w + i].character; |
||
898 | bbp->fg_color = rgb.fg_color; |
||
899 | bbp->bg_color = rgb.bg_color; |
||
900 | |||
901 | draw_vp_glyph(vport, false, col, row); |
||
902 | } |
||
1505 | palkovsky | 903 | } |
3707 | decky | 904 | cursor_show(vport); |
1505 | palkovsky | 905 | } |
906 | |||
3707 | decky | 907 | |
908 | static void putpixel_pixmap(void *data, unsigned int x, unsigned int y, uint32_t color) |
||
1555 | palkovsky | 909 | { |
3707 | decky | 910 | int pm = *((int *) data); |
911 | pixmap_t *pmap = &pixmaps[pm]; |
||
912 | unsigned int pos = (y * pmap->width + x) * screen.pixelbytes; |
||
1555 | palkovsky | 913 | |
3707 | decky | 914 | screen.rgb_conv(&pmap->data[pos], color); |
915 | } |
||
916 | |||
917 | |||
918 | static void putpixel(void *data, unsigned int x, unsigned int y, uint32_t color) |
||
919 | { |
||
920 | viewport_t *vport = (viewport_t *) data; |
||
921 | unsigned int dx = vport->x + x; |
||
922 | unsigned int dy = vport->y + y; |
||
923 | |||
924 | screen.rgb_conv(&screen.fb_addr[FB_POS(dx, dy)], color); |
||
925 | } |
||
926 | |||
927 | |||
928 | /** Return first free pixmap |
||
929 | * |
||
930 | */ |
||
931 | static int find_free_pixmap(void) |
||
932 | { |
||
933 | unsigned int i; |
||
934 | |||
935 | for (i = 0; i < MAX_PIXMAPS; i++) |
||
1555 | palkovsky | 936 | if (!pixmaps[i].data) |
937 | return i; |
||
3707 | decky | 938 | |
1555 | palkovsky | 939 | return -1; |
940 | } |
||
941 | |||
942 | |||
3707 | decky | 943 | /** Create a new pixmap and return appropriate ID |
944 | * |
||
945 | */ |
||
946 | static int shm2pixmap(unsigned char *shm, size_t size) |
||
1555 | palkovsky | 947 | { |
948 | int pm; |
||
949 | pixmap_t *pmap; |
||
3707 | decky | 950 | |
1555 | palkovsky | 951 | pm = find_free_pixmap(); |
952 | if (pm == -1) |
||
953 | return ELIMIT; |
||
3707 | decky | 954 | |
1555 | palkovsky | 955 | pmap = &pixmaps[pm]; |
956 | |||
957 | if (ppm_get_data(shm, size, &pmap->width, &pmap->height)) |
||
958 | return EINVAL; |
||
959 | |||
960 | pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes); |
||
961 | if (!pmap->data) |
||
962 | return ENOMEM; |
||
3707 | decky | 963 | |
964 | ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, putpixel_pixmap, (void *) &pm); |
||
965 | |||
1555 | palkovsky | 966 | return pm; |
967 | } |
||
968 | |||
3707 | decky | 969 | |
1552 | palkovsky | 970 | /** Handle shared memory communication calls |
971 | * |
||
972 | * Protocol for drawing pixmaps: |
||
973 | * - FB_PREPARE_SHM(client shm identification) |
||
2025 | jermar | 974 | * - IPC_M_AS_AREA_SEND |
3707 | decky | 975 | * - FB_DRAW_PPM(startx, starty) |
1552 | palkovsky | 976 | * - FB_DROP_SHM |
977 | * |
||
978 | * Protocol for text drawing |
||
2025 | jermar | 979 | * - IPC_M_AS_AREA_SEND |
1552 | palkovsky | 980 | * - FB_DRAW_TEXT_DATA |
981 | * |
||
982 | * @param callid Callid of the current call |
||
3707 | decky | 983 | * @param call Current call data |
984 | * @param vp Active viewport |
||
1552 | palkovsky | 985 | * |
3707 | decky | 986 | * @return false if the call was not handled byt this function, true otherwise |
987 | * |
||
988 | * Note: this function is not threads safe, you would have |
||
1552 | palkovsky | 989 | * to redefine static variables with __thread |
3707 | decky | 990 | * |
1552 | palkovsky | 991 | */ |
3707 | decky | 992 | static bool shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
1547 | palkovsky | 993 | { |
994 | static keyfield_t *interbuffer = NULL; |
||
995 | static size_t intersize = 0; |
||
3707 | decky | 996 | |
1720 | palkovsky | 997 | static unsigned char *shm = NULL; |
1555 | palkovsky | 998 | static ipcarg_t shm_id = 0; |
999 | static size_t shm_size; |
||
3707 | decky | 1000 | |
1001 | bool handled = true; |
||
1002 | int retval = EOK; |
||
1547 | palkovsky | 1003 | viewport_t *vport = &viewports[vp]; |
3707 | decky | 1004 | unsigned int x; |
1005 | unsigned int y; |
||
4167 | svoboda | 1006 | unsigned int w; |
1007 | unsigned int h; |
||
3707 | decky | 1008 | |
1547 | palkovsky | 1009 | switch (IPC_GET_METHOD(*call)) { |
2677 | jermar | 1010 | case IPC_M_SHARE_OUT: |
1547 | palkovsky | 1011 | /* We accept one area for data interchange */ |
1555 | palkovsky | 1012 | if (IPC_GET_ARG1(*call) == shm_id) { |
2141 | jermar | 1013 | void *dest = as_get_mappable_page(IPC_GET_ARG2(*call)); |
1555 | palkovsky | 1014 | shm_size = IPC_GET_ARG2(*call); |
3707 | decky | 1015 | if (!ipc_answer_1(callid, EOK, (sysarg_t) dest)) |
1555 | palkovsky | 1016 | shm = dest; |
1547 | palkovsky | 1017 | else |
1555 | palkovsky | 1018 | shm_id = 0; |
3707 | decky | 1019 | |
1555 | palkovsky | 1020 | if (shm[0] != 'P') |
3707 | decky | 1021 | return false; |
1022 | |||
1023 | return true; |
||
1547 | palkovsky | 1024 | } else { |
1025 | intersize = IPC_GET_ARG2(*call); |
||
2015 | jermar | 1026 | receive_comm_area(callid, call, (void *) &interbuffer); |
1547 | palkovsky | 1027 | } |
3707 | decky | 1028 | return true; |
1547 | palkovsky | 1029 | case FB_PREPARE_SHM: |
1555 | palkovsky | 1030 | if (shm_id) |
1547 | palkovsky | 1031 | retval = EBUSY; |
1032 | else |
||
1555 | palkovsky | 1033 | shm_id = IPC_GET_ARG1(*call); |
1547 | palkovsky | 1034 | break; |
1035 | |||
1036 | case FB_DROP_SHM: |
||
1555 | palkovsky | 1037 | if (shm) { |
1038 | as_area_destroy(shm); |
||
1039 | shm = NULL; |
||
1547 | palkovsky | 1040 | } |
1555 | palkovsky | 1041 | shm_id = 0; |
1547 | palkovsky | 1042 | break; |
3707 | decky | 1043 | |
1555 | palkovsky | 1044 | case FB_SHM2PIXMAP: |
1045 | if (!shm) { |
||
1046 | retval = EINVAL; |
||
1047 | break; |
||
1048 | } |
||
1049 | retval = shm2pixmap(shm, shm_size); |
||
1050 | break; |
||
1547 | palkovsky | 1051 | case FB_DRAW_PPM: |
1555 | palkovsky | 1052 | if (!shm) { |
1547 | palkovsky | 1053 | retval = EINVAL; |
1054 | break; |
||
1055 | } |
||
1056 | x = IPC_GET_ARG1(*call); |
||
1057 | y = IPC_GET_ARG2(*call); |
||
3707 | decky | 1058 | |
1059 | if ((x > vport->width) || (y > vport->height)) { |
||
1547 | palkovsky | 1060 | retval = EINVAL; |
1061 | break; |
||
1062 | } |
||
1063 | |||
2025 | jermar | 1064 | ppm_draw(shm, shm_size, IPC_GET_ARG1(*call), |
3707 | decky | 1065 | IPC_GET_ARG2(*call), vport->width - x, vport->height - y, putpixel, (void *) vport); |
1547 | palkovsky | 1066 | break; |
1067 | case FB_DRAW_TEXT_DATA: |
||
4167 | svoboda | 1068 | x = IPC_GET_ARG1(*call); |
1069 | y = IPC_GET_ARG2(*call); |
||
1070 | w = IPC_GET_ARG3(*call); |
||
1071 | h = IPC_GET_ARG4(*call); |
||
1547 | palkovsky | 1072 | if (!interbuffer) { |
1073 | retval = EINVAL; |
||
1074 | break; |
||
1075 | } |
||
4167 | svoboda | 1076 | if (x + w > vport->cols || y + h > vport->rows) { |
1547 | palkovsky | 1077 | retval = EINVAL; |
1078 | break; |
||
1079 | } |
||
4167 | svoboda | 1080 | if (intersize < w * h * sizeof(*interbuffer)) { |
1081 | retval = EINVAL; |
||
1082 | break; |
||
1083 | } |
||
1084 | draw_text_data(vport, interbuffer, x, y, w, h); |
||
1547 | palkovsky | 1085 | break; |
1086 | default: |
||
3707 | decky | 1087 | handled = false; |
1547 | palkovsky | 1088 | } |
1089 | |||
1090 | if (handled) |
||
2619 | jermar | 1091 | ipc_answer_0(callid, retval); |
1547 | palkovsky | 1092 | return handled; |
1093 | } |
||
1094 | |||
3707 | decky | 1095 | |
1096 | static void copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap) |
||
1552 | palkovsky | 1097 | { |
3707 | decky | 1098 | unsigned int width = vport->width; |
1099 | unsigned int height = vport->height; |
||
1100 | |||
1711 | palkovsky | 1101 | if (width + vport->x > screen.xres) |
1102 | width = screen.xres - vport->x; |
||
2301 | decky | 1103 | if (height + vport->y > screen.yres) |
1711 | palkovsky | 1104 | height = screen.yres - vport->y; |
2301 | decky | 1105 | |
3707 | decky | 1106 | unsigned int realwidth = pmap->width <= width ? pmap->width : width; |
1107 | unsigned int realheight = pmap->height <= height ? pmap->height : height; |
||
2301 | decky | 1108 | |
3707 | decky | 1109 | unsigned int srcrowsize = vport->width * screen.pixelbytes; |
1110 | unsigned int realrowsize = realwidth * screen.pixelbytes; |
||
1111 | |||
1112 | unsigned int y; |
||
2301 | decky | 1113 | for (y = 0; y < realheight; y++) { |
3707 | decky | 1114 | unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes; |
1115 | memcpy(pmap->data + srcrowsize * y, screen.fb_addr + tmp, realrowsize); |
||
1711 | palkovsky | 1116 | } |
1117 | } |
||
1118 | |||
3707 | decky | 1119 | |
1120 | /** Save viewport to pixmap |
||
1121 | * |
||
1122 | */ |
||
1123 | static int save_vp_to_pixmap(viewport_t *vport) |
||
1711 | palkovsky | 1124 | { |
1125 | int pm; |
||
1126 | pixmap_t *pmap; |
||
3707 | decky | 1127 | |
1552 | palkovsky | 1128 | pm = find_free_pixmap(); |
1129 | if (pm == -1) |
||
1130 | return ELIMIT; |
||
1131 | |||
1132 | pmap = &pixmaps[pm]; |
||
1133 | pmap->data = malloc(screen.pixelbytes * vport->width * vport->height); |
||
1134 | if (!pmap->data) |
||
1135 | return ENOMEM; |
||
3707 | decky | 1136 | |
1552 | palkovsky | 1137 | pmap->width = vport->width; |
1138 | pmap->height = vport->height; |
||
3707 | decky | 1139 | |
1711 | palkovsky | 1140 | copy_vp_to_pixmap(vport, pmap); |
1552 | palkovsky | 1141 | |
1142 | return pm; |
||
1143 | } |
||
1144 | |||
3707 | decky | 1145 | |
1552 | palkovsky | 1146 | /** Draw pixmap on screen |
1147 | * |
||
1148 | * @param vp Viewport to draw on |
||
1149 | * @param pm Pixmap identifier |
||
3707 | decky | 1150 | * |
1552 | palkovsky | 1151 | */ |
1152 | static int draw_pixmap(int vp, int pm) |
||
1153 | { |
||
1154 | pixmap_t *pmap = &pixmaps[pm]; |
||
1155 | viewport_t *vport = &viewports[vp]; |
||
3707 | decky | 1156 | |
1157 | unsigned int width = vport->width; |
||
1158 | unsigned int height = vport->height; |
||
1159 | |||
1711 | palkovsky | 1160 | if (width + vport->x > screen.xres) |
1161 | width = screen.xres - vport->x; |
||
1162 | if (height + vport->y > screen.yres) |
||
1163 | height = screen.yres - vport->y; |
||
3707 | decky | 1164 | |
1552 | palkovsky | 1165 | if (!pmap->data) |
1166 | return EINVAL; |
||
3707 | decky | 1167 | |
1168 | unsigned int realwidth = pmap->width <= width ? pmap->width : width; |
||
1169 | unsigned int realheight = pmap->height <= height ? pmap->height : height; |
||
1170 | |||
1171 | unsigned int srcrowsize = vport->width * screen.pixelbytes; |
||
1172 | unsigned int realrowsize = realwidth * screen.pixelbytes; |
||
1173 | |||
1174 | unsigned int y; |
||
2070 | jermar | 1175 | for (y = 0; y < realheight; y++) { |
3707 | decky | 1176 | unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes; |
1177 | memcpy(screen.fb_addr + tmp, pmap->data + y * srcrowsize, realrowsize); |
||
1552 | palkovsky | 1178 | } |
3707 | decky | 1179 | |
1180 | return EOK; |
||
1552 | palkovsky | 1181 | } |
1182 | |||
3707 | decky | 1183 | |
1184 | /** Tick animation one step forward |
||
1185 | * |
||
1186 | */ |
||
1187 | static void anims_tick(void) |
||
1646 | palkovsky | 1188 | { |
3707 | decky | 1189 | unsigned int i; |
1646 | palkovsky | 1190 | static int counts = 0; |
1191 | |||
1192 | /* Limit redrawing */ |
||
2025 | jermar | 1193 | counts = (counts + 1) % 8; |
1646 | palkovsky | 1194 | if (counts) |
1195 | return; |
||
1196 | |||
2070 | jermar | 1197 | for (i = 0; i < MAX_ANIMATIONS; i++) { |
3707 | decky | 1198 | if ((!animations[i].animlen) || (!animations[i].initialized) || |
1199 | (!animations[i].enabled)) |
||
1646 | palkovsky | 1200 | continue; |
3707 | decky | 1201 | |
1202 | draw_pixmap(animations[i].vp, animations[i].pixmaps[animations[i].pos]); |
||
1203 | animations[i].pos = (animations[i].pos + 1) % animations[i].animlen; |
||
1646 | palkovsky | 1204 | } |
1205 | } |
||
1206 | |||
1711 | palkovsky | 1207 | |
3707 | decky | 1208 | static unsigned int pointer_x; |
1209 | static unsigned int pointer_y; |
||
1210 | static bool pointer_shown, pointer_enabled; |
||
1711 | palkovsky | 1211 | static int pointer_vport = -1; |
1212 | static int pointer_pixmap = -1; |
||
1213 | |||
3707 | decky | 1214 | |
1215 | static void mouse_show(void) |
||
1711 | palkovsky | 1216 | { |
2070 | jermar | 1217 | int i, j; |
1711 | palkovsky | 1218 | int visibility; |
1219 | int color; |
||
1220 | int bytepos; |
||
3707 | decky | 1221 | |
1222 | if ((pointer_shown) || (!pointer_enabled)) |
||
1723 | palkovsky | 1223 | return; |
3707 | decky | 1224 | |
3723 | svoboda | 1225 | /* Save image under the pointer. */ |
1711 | palkovsky | 1226 | if (pointer_vport == -1) { |
3707 | decky | 1227 | pointer_vport = vport_create(pointer_x, pointer_y, pointer_width, pointer_height); |
1711 | palkovsky | 1228 | if (pointer_vport < 0) |
1229 | return; |
||
1230 | } else { |
||
1231 | viewports[pointer_vport].x = pointer_x; |
||
1232 | viewports[pointer_vport].y = pointer_y; |
||
1233 | } |
||
3707 | decky | 1234 | |
1711 | palkovsky | 1235 | if (pointer_pixmap == -1) |
1236 | pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]); |
||
1237 | else |
||
3707 | decky | 1238 | copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]); |
1239 | |||
3723 | svoboda | 1240 | /* Draw mouse pointer. */ |
2025 | jermar | 1241 | for (i = 0; i < pointer_height; i++) |
1242 | for (j = 0; j < pointer_width; j++) { |
||
1243 | bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8; |
||
2070 | jermar | 1244 | visibility = pointer_mask_bits[bytepos] & |
2619 | jermar | 1245 | (1 << (j % 8)); |
1711 | palkovsky | 1246 | if (visibility) { |
2619 | jermar | 1247 | color = pointer_bits[bytepos] & |
1248 | (1 << (j % 8)) ? 0 : 0xffffff; |
||
2025 | jermar | 1249 | if (pointer_x + j < screen.xres && pointer_y + |
2619 | jermar | 1250 | i < screen.yres) |
2025 | jermar | 1251 | putpixel(&viewports[0], pointer_x + j, |
2619 | jermar | 1252 | pointer_y + i, color); |
1711 | palkovsky | 1253 | } |
1254 | } |
||
1255 | pointer_shown = 1; |
||
1256 | } |
||
1257 | |||
3707 | decky | 1258 | |
1259 | static void mouse_hide(void) |
||
1711 | palkovsky | 1260 | { |
3723 | svoboda | 1261 | /* Restore image under the pointer. */ |
1711 | palkovsky | 1262 | if (pointer_shown) { |
1263 | draw_pixmap(pointer_vport, pointer_pixmap); |
||
1264 | pointer_shown = 0; |
||
1265 | } |
||
1266 | } |
||
1267 | |||
3707 | decky | 1268 | |
1269 | static void mouse_move(unsigned int x, unsigned int y) |
||
1711 | palkovsky | 1270 | { |
1271 | mouse_hide(); |
||
1272 | pointer_x = x; |
||
1273 | pointer_y = y; |
||
1274 | mouse_show(); |
||
1275 | } |
||
1276 | |||
3707 | decky | 1277 | |
1278 | static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
||
1646 | palkovsky | 1279 | { |
3707 | decky | 1280 | bool handled = true; |
1281 | int retval = EOK; |
||
1282 | int i, nvp; |
||
1646 | palkovsky | 1283 | int newval; |
3707 | decky | 1284 | |
1646 | palkovsky | 1285 | switch (IPC_GET_METHOD(*call)) { |
1286 | case FB_ANIM_CREATE: |
||
1287 | nvp = IPC_GET_ARG1(*call); |
||
1288 | if (nvp == -1) |
||
1289 | nvp = vp; |
||
2025 | jermar | 1290 | if (nvp >= MAX_VIEWPORTS || nvp < 0 || |
1291 | !viewports[nvp].initialized) { |
||
1646 | palkovsky | 1292 | retval = EINVAL; |
1293 | break; |
||
1294 | } |
||
2025 | jermar | 1295 | for (i = 0; i < MAX_ANIMATIONS; i++) { |
1296 | if (!animations[i].initialized) |
||
1646 | palkovsky | 1297 | break; |
1298 | } |
||
1299 | if (i == MAX_ANIMATIONS) { |
||
1300 | retval = ELIMIT; |
||
1301 | break; |
||
1302 | } |
||
1303 | animations[i].initialized = 1; |
||
1304 | animations[i].animlen = 0; |
||
1305 | animations[i].pos = 0; |
||
1306 | animations[i].enabled = 0; |
||
1307 | animations[i].vp = nvp; |
||
1308 | retval = i; |
||
1309 | break; |
||
1310 | case FB_ANIM_DROP: |
||
1311 | i = IPC_GET_ARG1(*call); |
||
1720 | palkovsky | 1312 | if (i >= MAX_ANIMATIONS || i < 0) { |
1646 | palkovsky | 1313 | retval = EINVAL; |
1314 | break; |
||
1315 | } |
||
1316 | animations[i].initialized = 0; |
||
1317 | break; |
||
1318 | case FB_ANIM_ADDPIXMAP: |
||
1319 | i = IPC_GET_ARG1(*call); |
||
2025 | jermar | 1320 | if (i >= MAX_ANIMATIONS || i < 0 || |
1321 | !animations[i].initialized) { |
||
1646 | palkovsky | 1322 | retval = EINVAL; |
1323 | break; |
||
1324 | } |
||
1325 | if (animations[i].animlen == MAX_ANIM_LEN) { |
||
1326 | retval = ELIMIT; |
||
1327 | break; |
||
1328 | } |
||
1329 | newval = IPC_GET_ARG2(*call); |
||
2025 | jermar | 1330 | if (newval < 0 || newval > MAX_PIXMAPS || |
1331 | !pixmaps[newval].data) { |
||
1646 | palkovsky | 1332 | retval = EINVAL; |
1333 | break; |
||
1334 | } |
||
1335 | animations[i].pixmaps[animations[i].animlen++] = newval; |
||
1336 | break; |
||
1337 | case FB_ANIM_CHGVP: |
||
1338 | i = IPC_GET_ARG1(*call); |
||
1339 | if (i >= MAX_ANIMATIONS || i < 0) { |
||
1340 | retval = EINVAL; |
||
1341 | break; |
||
1342 | } |
||
1343 | nvp = IPC_GET_ARG2(*call); |
||
1344 | if (nvp == -1) |
||
1345 | nvp = vp; |
||
2025 | jermar | 1346 | if (nvp >= MAX_VIEWPORTS || nvp < 0 || |
1347 | !viewports[nvp].initialized) { |
||
1646 | palkovsky | 1348 | retval = EINVAL; |
1349 | break; |
||
1350 | } |
||
1351 | animations[i].vp = nvp; |
||
1352 | break; |
||
1353 | case FB_ANIM_START: |
||
1354 | case FB_ANIM_STOP: |
||
1355 | i = IPC_GET_ARG1(*call); |
||
1356 | if (i >= MAX_ANIMATIONS || i < 0) { |
||
1357 | retval = EINVAL; |
||
1358 | break; |
||
1359 | } |
||
1360 | newval = (IPC_GET_METHOD(*call) == FB_ANIM_START); |
||
1361 | if (newval ^ animations[i].enabled) { |
||
1362 | animations[i].enabled = newval; |
||
1363 | anims_enabled += newval ? 1 : -1; |
||
1364 | } |
||
1365 | break; |
||
1366 | default: |
||
1367 | handled = 0; |
||
1368 | } |
||
1369 | if (handled) |
||
2619 | jermar | 1370 | ipc_answer_0(callid, retval); |
1646 | palkovsky | 1371 | return handled; |
1372 | } |
||
1373 | |||
3707 | decky | 1374 | |
1375 | /** Handler for messages concerning pixmap handling |
||
1376 | * |
||
1377 | */ |
||
1378 | static int pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
||
1552 | palkovsky | 1379 | { |
3707 | decky | 1380 | bool handled = true; |
1381 | int retval = EOK; |
||
1382 | int i, nvp; |
||
1383 | |||
1552 | palkovsky | 1384 | switch (IPC_GET_METHOD(*call)) { |
1385 | case FB_VP_DRAW_PIXMAP: |
||
1386 | nvp = IPC_GET_ARG1(*call); |
||
1387 | if (nvp == -1) |
||
1388 | nvp = vp; |
||
2025 | jermar | 1389 | if (nvp < 0 || nvp >= MAX_VIEWPORTS || |
1390 | !viewports[nvp].initialized) { |
||
1552 | palkovsky | 1391 | retval = EINVAL; |
1392 | break; |
||
1393 | } |
||
1394 | i = IPC_GET_ARG2(*call); |
||
1395 | retval = draw_pixmap(nvp, i); |
||
1396 | break; |
||
1397 | case FB_VP2PIXMAP: |
||
1398 | nvp = IPC_GET_ARG1(*call); |
||
1399 | if (nvp == -1) |
||
1400 | nvp = vp; |
||
2025 | jermar | 1401 | if (nvp < 0 || nvp >= MAX_VIEWPORTS || |
1402 | !viewports[nvp].initialized) |
||
1552 | palkovsky | 1403 | retval = EINVAL; |
1404 | else |
||
1711 | palkovsky | 1405 | retval = save_vp_to_pixmap(&viewports[nvp]); |
1552 | palkovsky | 1406 | break; |
1407 | case FB_DROP_PIXMAP: |
||
1408 | i = IPC_GET_ARG1(*call); |
||
1409 | if (i >= MAX_PIXMAPS) { |
||
1410 | retval = EINVAL; |
||
1411 | break; |
||
1412 | } |
||
1413 | if (pixmaps[i].data) { |
||
1414 | free(pixmaps[i].data); |
||
1415 | pixmaps[i].data = NULL; |
||
1416 | } |
||
1417 | break; |
||
1418 | default: |
||
1419 | handled = 0; |
||
1420 | } |
||
3707 | decky | 1421 | |
1552 | palkovsky | 1422 | if (handled) |
2619 | jermar | 1423 | ipc_answer_0(callid, retval); |
1552 | palkovsky | 1424 | return handled; |
1425 | |||
1426 | } |
||
1427 | |||
3767 | svoboda | 1428 | static int rgb_from_style(attr_rgb_t *rgb, int style) |
1429 | { |
||
1430 | switch (style) { |
||
1431 | case STYLE_NORMAL: |
||
1432 | rgb->fg_color = color_table[COLOR_BLACK]; |
||
1433 | rgb->bg_color = color_table[COLOR_WHITE]; |
||
1434 | break; |
||
1435 | case STYLE_EMPHASIS: |
||
1436 | rgb->fg_color = color_table[COLOR_RED]; |
||
1437 | rgb->bg_color = color_table[COLOR_WHITE]; |
||
1438 | break; |
||
1439 | default: |
||
1440 | return EINVAL; |
||
1441 | } |
||
1442 | |||
1443 | return EOK; |
||
1444 | } |
||
1445 | |||
1446 | static int rgb_from_idx(attr_rgb_t *rgb, ipcarg_t fg_color, |
||
1447 | ipcarg_t bg_color, ipcarg_t flags) |
||
1448 | { |
||
1449 | fg_color = (fg_color & 7) | ((flags & CATTR_BRIGHT) ? 8 : 0); |
||
1450 | bg_color = (bg_color & 7) | ((flags & CATTR_BRIGHT) ? 8 : 0); |
||
1451 | |||
1452 | rgb->fg_color = color_table[fg_color]; |
||
1453 | rgb->bg_color = color_table[bg_color]; |
||
1454 | |||
1455 | return EOK; |
||
1456 | } |
||
1457 | |||
3792 | svoboda | 1458 | static int rgb_from_attr(attr_rgb_t *rgb, const attrs_t *a) |
1459 | { |
||
1460 | int rc; |
||
1461 | |||
1462 | switch (a->t) { |
||
1463 | case at_style: |
||
1464 | rc = rgb_from_style(rgb, a->a.s.style); |
||
1465 | break; |
||
1466 | case at_idx: |
||
1467 | rc = rgb_from_idx(rgb, a->a.i.fg_color, |
||
1468 | a->a.i.bg_color, a->a.i.flags); |
||
1469 | break; |
||
1470 | case at_rgb: |
||
1471 | *rgb = a->a.r; |
||
1472 | rc = EOK; |
||
1473 | break; |
||
1474 | } |
||
1475 | |||
1476 | return rc; |
||
1477 | } |
||
1478 | |||
3767 | svoboda | 1479 | static int fb_set_style(viewport_t *vport, ipcarg_t style) |
1480 | { |
||
1481 | return rgb_from_style(&vport->attr, (int) style); |
||
1482 | } |
||
1483 | |||
1484 | static int fb_set_color(viewport_t *vport, ipcarg_t fg_color, |
||
1485 | ipcarg_t bg_color, ipcarg_t flags) |
||
1486 | { |
||
1487 | return rgb_from_idx(&vport->attr, fg_color, bg_color, flags); |
||
1488 | } |
||
1489 | |||
1498 | palkovsky | 1490 | /** Function for handling connections to FB |
1491 | * |
||
1492 | */ |
||
3707 | decky | 1493 | static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
1363 | vana | 1494 | { |
3707 | decky | 1495 | unsigned int vp = 0; |
1496 | viewport_t *vport = &viewports[vp]; |
||
1497 | |||
1485 | palkovsky | 1498 | if (client_connected) { |
2619 | jermar | 1499 | ipc_answer_0(iid, ELIMIT); |
1485 | palkovsky | 1500 | return; |
1501 | } |
||
3707 | decky | 1502 | |
1503 | /* Accept connection */ |
||
1504 | client_connected = true; |
||
1505 | ipc_answer_0(iid, EOK); |
||
1506 | |||
1507 | while (true) { |
||
1508 | ipc_callid_t callid; |
||
1509 | ipc_call_t call; |
||
1510 | int retval; |
||
1511 | unsigned int i; |
||
1512 | int scroll; |
||
1513 | uint8_t glyph; |
||
1514 | unsigned int row, col; |
||
1515 | |||
1516 | if ((vport->cursor_active) || (anims_enabled)) |
||
2070 | jermar | 1517 | callid = async_get_call_timeout(&call, 250000); |
1640 | palkovsky | 1518 | else |
1519 | callid = async_get_call(&call); |
||
3707 | decky | 1520 | |
1713 | palkovsky | 1521 | mouse_hide(); |
1500 | palkovsky | 1522 | if (!callid) { |
1673 | palkovsky | 1523 | cursor_blink(vport); |
1646 | palkovsky | 1524 | anims_tick(); |
1723 | palkovsky | 1525 | mouse_show(); |
1500 | palkovsky | 1526 | continue; |
1527 | } |
||
3707 | decky | 1528 | |
1547 | palkovsky | 1529 | if (shm_handle(callid, &call, vp)) |
1530 | continue; |
||
3707 | decky | 1531 | |
1552 | palkovsky | 1532 | if (pixmap_handle(callid, &call, vp)) |
1533 | continue; |
||
3707 | decky | 1534 | |
1646 | palkovsky | 1535 | if (anim_handle(callid, &call, vp)) |
1536 | continue; |
||
3707 | decky | 1537 | |
1538 | switch (IPC_GET_METHOD(call)) { |
||
1485 | palkovsky | 1539 | case IPC_M_PHONE_HUNGUP: |
3707 | decky | 1540 | client_connected = false; |
1541 | |||
1542 | /* Cleanup other viewports */ |
||
2025 | jermar | 1543 | for (i = 1; i < MAX_VIEWPORTS; i++) |
3707 | decky | 1544 | vport->initialized = false; |
1545 | |||
1546 | /* Exit thread */ |
||
1547 | return; |
||
1548 | |||
1485 | palkovsky | 1549 | case FB_PUTCHAR: |
3707 | decky | 1550 | glyph = IPC_GET_ARG1(call); |
1485 | palkovsky | 1551 | row = IPC_GET_ARG2(call); |
1552 | col = IPC_GET_ARG3(call); |
||
3707 | decky | 1553 | |
1554 | if ((col >= vport->cols) || (row >= vport->rows)) { |
||
1485 | palkovsky | 1555 | retval = EINVAL; |
1556 | break; |
||
1557 | } |
||
2619 | jermar | 1558 | ipc_answer_0(callid, EOK); |
3707 | decky | 1559 | |
1560 | draw_char(vport, glyph, col, row); |
||
1561 | |||
1562 | /* Message already answered */ |
||
1563 | continue; |
||
1485 | palkovsky | 1564 | case FB_CLEAR: |
3707 | decky | 1565 | vport_clear(vport); |
1566 | cursor_show(vport); |
||
1567 | retval = EOK; |
||
1485 | palkovsky | 1568 | break; |
3707 | decky | 1569 | case FB_CURSOR_GOTO: |
1486 | palkovsky | 1570 | row = IPC_GET_ARG1(call); |
1571 | col = IPC_GET_ARG2(call); |
||
3707 | decky | 1572 | |
1573 | if ((col >= vport->cols) || (row >= vport->rows)) { |
||
1486 | palkovsky | 1574 | retval = EINVAL; |
1575 | break; |
||
1576 | } |
||
3707 | decky | 1577 | retval = EOK; |
1578 | |||
1673 | palkovsky | 1579 | cursor_hide(vport); |
1486 | palkovsky | 1580 | vport->cur_col = col; |
1581 | vport->cur_row = row; |
||
3707 | decky | 1582 | cursor_show(vport); |
1583 | break; |
||
1486 | palkovsky | 1584 | case FB_CURSOR_VISIBILITY: |
1673 | palkovsky | 1585 | cursor_hide(vport); |
1500 | palkovsky | 1586 | vport->cursor_active = IPC_GET_ARG1(call); |
3707 | decky | 1587 | cursor_show(vport); |
1588 | retval = EOK; |
||
1486 | palkovsky | 1589 | break; |
1485 | palkovsky | 1590 | case FB_GET_CSIZE: |
2619 | jermar | 1591 | ipc_answer_2(callid, EOK, vport->rows, vport->cols); |
1485 | palkovsky | 1592 | continue; |
1486 | palkovsky | 1593 | case FB_SCROLL: |
3707 | decky | 1594 | scroll = IPC_GET_ARG1(call); |
1595 | if ((scroll > (int) vport->rows) || (scroll < (-(int) vport->rows))) { |
||
1486 | palkovsky | 1596 | retval = EINVAL; |
1597 | break; |
||
1598 | } |
||
1673 | palkovsky | 1599 | cursor_hide(vport); |
3707 | decky | 1600 | vport_scroll(vport, scroll); |
1601 | cursor_show(vport); |
||
1602 | retval = EOK; |
||
1486 | palkovsky | 1603 | break; |
1604 | case FB_VIEWPORT_SWITCH: |
||
1605 | i = IPC_GET_ARG1(call); |
||
3707 | decky | 1606 | if (i >= MAX_VIEWPORTS) { |
1486 | palkovsky | 1607 | retval = EINVAL; |
1608 | break; |
||
1609 | } |
||
3707 | decky | 1610 | if (!viewports[i].initialized) { |
1486 | palkovsky | 1611 | retval = EADDRNOTAVAIL; |
1612 | break; |
||
1613 | } |
||
1673 | palkovsky | 1614 | cursor_hide(vport); |
1486 | palkovsky | 1615 | vp = i; |
1616 | vport = &viewports[vp]; |
||
3707 | decky | 1617 | cursor_show(vport); |
1618 | retval = EOK; |
||
1486 | palkovsky | 1619 | break; |
1620 | case FB_VIEWPORT_CREATE: |
||
3707 | decky | 1621 | retval = vport_create(IPC_GET_ARG1(call) >> 16, |
2619 | jermar | 1622 | IPC_GET_ARG1(call) & 0xffff, |
1623 | IPC_GET_ARG2(call) >> 16, |
||
1624 | IPC_GET_ARG2(call) & 0xffff); |
||
1486 | palkovsky | 1625 | break; |
1626 | case FB_VIEWPORT_DELETE: |
||
1627 | i = IPC_GET_ARG1(call); |
||
3707 | decky | 1628 | if (i >= MAX_VIEWPORTS) { |
1486 | palkovsky | 1629 | retval = EINVAL; |
1630 | break; |
||
1631 | } |
||
3707 | decky | 1632 | if (!viewports[i].initialized) { |
1486 | palkovsky | 1633 | retval = EADDRNOTAVAIL; |
1634 | break; |
||
1635 | } |
||
3707 | decky | 1636 | viewports[i].initialized = false; |
1637 | if (viewports[i].glyphs) |
||
1638 | free(viewports[i].glyphs); |
||
1639 | if (viewports[i].bgpixel) |
||
1640 | free(viewports[i].bgpixel); |
||
1641 | if (viewports[i].backbuf) |
||
1642 | free(viewports[i].backbuf); |
||
1643 | retval = EOK; |
||
1486 | palkovsky | 1644 | break; |
1645 | case FB_SET_STYLE: |
||
3767 | svoboda | 1646 | retval = fb_set_style(vport, IPC_GET_ARG1(call)); |
1647 | break; |
||
1648 | case FB_SET_COLOR: |
||
1649 | retval = fb_set_color(vport, IPC_GET_ARG1(call), |
||
1650 | IPC_GET_ARG2(call), IPC_GET_ARG3(call)); |
||
1651 | break; |
||
1652 | case FB_SET_RGB_COLOR: |
||
1653 | vport->attr.fg_color = IPC_GET_ARG1(call); |
||
1654 | vport->attr.bg_color = IPC_GET_ARG2(call); |
||
3707 | decky | 1655 | retval = EOK; |
1486 | palkovsky | 1656 | break; |
1657 | case FB_GET_RESOLUTION: |
||
2619 | jermar | 1658 | ipc_answer_2(callid, EOK, screen.xres, screen.yres); |
1486 | palkovsky | 1659 | continue; |
1707 | palkovsky | 1660 | case FB_POINTER_MOVE: |
3707 | decky | 1661 | pointer_enabled = true; |
1711 | palkovsky | 1662 | mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call)); |
3707 | decky | 1663 | retval = EOK; |
1707 | palkovsky | 1664 | break; |
1485 | palkovsky | 1665 | default: |
1666 | retval = ENOENT; |
||
1667 | } |
||
2619 | jermar | 1668 | ipc_answer_0(callid, retval); |
1363 | vana | 1669 | } |
1485 | palkovsky | 1670 | } |
1363 | vana | 1671 | |
3707 | decky | 1672 | /** Initialization of framebuffer |
1673 | * |
||
1674 | */ |
||
1675 | int fb_init(void) |
||
1485 | palkovsky | 1676 | { |
1490 | palkovsky | 1677 | async_set_client_connection(fb_client_connection); |
1485 | palkovsky | 1678 | |
3707 | decky | 1679 | void *fb_ph_addr = (void *) sysinfo_value("fb.address.physical"); |
1680 | unsigned int fb_offset = sysinfo_value("fb.offset"); |
||
1681 | unsigned int fb_width = sysinfo_value("fb.width"); |
||
1682 | unsigned int fb_height = sysinfo_value("fb.height"); |
||
1683 | unsigned int fb_scanline = sysinfo_value("fb.scanline"); |
||
1684 | unsigned int fb_visual = sysinfo_value("fb.visual"); |
||
1685 | |||
1686 | unsigned int fbsize = fb_scanline * fb_height; |
||
1687 | void *fb_addr = as_get_mappable_page(fbsize); |
||
1688 | |||
3908 | decky | 1689 | if (physmem_map(fb_ph_addr + fb_offset, fb_addr, |
1690 | ALIGN_UP(fbsize, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE) != 0) |
||
1691 | return -1; |
||
3707 | decky | 1692 | |
1693 | if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual)) |
||
1993 | decky | 1694 | return 0; |
1695 | |||
1696 | return -1; |
||
1363 | vana | 1697 | } |
1490 | palkovsky | 1698 | |
3707 | decky | 1699 | /** |
1649 | cejka | 1700 | * @} |
1701 | */ |