| 0,0 → 1,1384 |
|---|
| /* |
| * Copyright (c) 2006 Jakub Vana |
| * Copyright (c) 2006 Ondrej Palkovsky |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @defgroup fb Graphical framebuffer |
| * @brief HelenOS graphical framebuffer. |
| * @ingroup fbs |
| * @{ |
| */ |
| |
| /** @file |
| */ |
| |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <ddi.h> |
| #include <sysinfo.h> |
| #include <align.h> |
| #include <as.h> |
| #include <ipc/fb.h> |
| #include <ipc/ipc.h> |
| #include <ipc/ns.h> |
| #include <ipc/services.h> |
| #include <kernel/errno.h> |
| #include <kernel/genarch/fb/visuals.h> |
| #include <async.h> |
| #include <bool.h> |
| |
| #include "font-8x16.h" |
| #include "fb.h" |
| #include "main.h" |
| #include "../console/screenbuffer.h" |
| #include "ppm.h" |
| |
| #include "pointer.xbm" |
| #include "pointer_mask.xbm" |
| |
| #define DEFAULT_BGCOLOR 0xf0f0f0 |
| #define DEFAULT_FGCOLOR 0x0 |
| |
| /***************************************************************/ |
| /* Pixel specific fuctions */ |
| |
| typedef void (*conv2scr_fn_t)(void *, int); |
| typedef int (*conv2rgb_fn_t)(void *); |
| |
| struct { |
| uint8_t *fbaddress; |
| |
| unsigned int xres; |
| unsigned int yres; |
| unsigned int scanline; |
| unsigned int pixelbytes; |
| unsigned int invert_colors; |
| |
| conv2scr_fn_t rgb2scr; |
| conv2rgb_fn_t scr2rgb; |
| } screen; |
| |
| typedef struct { |
| int initialized; |
| unsigned int x, y; |
| unsigned int width, height; |
| |
| /* Text support in window */ |
| unsigned int rows, cols; |
| /* Style for text printing */ |
| style_t style; |
| /* Auto-cursor position */ |
| int cursor_active, cur_col, cur_row; |
| int cursor_shown; |
| /* Double buffering */ |
| uint8_t *dbdata; |
| unsigned int dboffset; |
| unsigned int paused; |
| } viewport_t; |
| |
| #define MAX_ANIM_LEN 8 |
| #define MAX_ANIMATIONS 4 |
| typedef struct { |
| int initialized; |
| int enabled; |
| unsigned int vp; |
| |
| unsigned int pos; |
| unsigned int animlen; |
| unsigned int pixmaps[MAX_ANIM_LEN]; |
| } animation_t; |
| static animation_t animations[MAX_ANIMATIONS]; |
| static int anims_enabled; |
| |
| /** Maximum number of saved pixmaps |
| * Pixmap is a saved rectangle |
| */ |
| #define MAX_PIXMAPS 256 |
| typedef struct { |
| unsigned int width; |
| unsigned int height; |
| uint8_t *data; |
| } pixmap_t; |
| static pixmap_t pixmaps[MAX_PIXMAPS]; |
| |
| /* Viewport is a rectangular area on the screen */ |
| #define MAX_VIEWPORTS 128 |
| static viewport_t viewports[128]; |
| |
| /* Allow only 1 connection */ |
| static int client_connected = 0; |
| |
| #define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1)) |
| #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
| #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
| |
| #define COL_WIDTH 8 |
| #define ROW_BYTES (screen.scanline * FONT_SCANLINES) |
| |
| #define POINTPOS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes) |
| |
| static inline int COLOR(int color) |
| { |
| return screen.invert_colors ? ~color : color; |
| } |
| |
| /* Conversion routines between different color representations */ |
| static void |
| rgb_byte0888(void *dst, int rgb) |
| { |
| *(int *)dst = rgb; |
| } |
| |
| static int |
| byte0888_rgb(void *src) |
| { |
| return (*(int *)src) & 0xffffff; |
| } |
| |
| static void |
| bgr_byte0888(void *dst, int rgb) |
| { |
| *((uint32_t *) dst) = BLUE(rgb, 8) << 16 | GREEN(rgb, 8) << 8 | |
| RED(rgb, 8); |
| } |
| |
| static int |
| byte0888_bgr(void *src) |
| { |
| int color = *(uint32_t *)(src); |
| return ((color & 0xff) << 16) | (((color >> 8) & 0xff) << 8) | |
| ((color >> 16) & 0xff); |
| } |
| |
| static void |
| rgb_byte888(void *dst, int rgb) |
| { |
| uint8_t *scr = dst; |
| #if defined(FB_INVERT_ENDIAN) |
| scr[0] = RED(rgb, 8); |
| scr[1] = GREEN(rgb, 8); |
| scr[2] = BLUE(rgb, 8); |
| #else |
| scr[2] = RED(rgb, 8); |
| scr[1] = GREEN(rgb, 8); |
| scr[0] = BLUE(rgb, 8); |
| #endif |
| } |
| |
| static int |
| byte888_rgb(void *src) |
| { |
| uint8_t *scr = src; |
| #if defined(FB_INVERT_ENDIAN) |
| return scr[0] << 16 | scr[1] << 8 | scr[2]; |
| #else |
| return scr[2] << 16 | scr[1] << 8 | scr[0]; |
| #endif |
| } |
| |
| /** 16-bit depth (5:5:5) */ |
| static void |
| rgb_byte555(void *dst, int rgb) |
| { |
| /* 5-bit, 5-bits, 5-bits */ |
| *((uint16_t *)(dst)) = RED(rgb, 5) << 10 | GREEN(rgb, 5) << 5 | |
| BLUE(rgb, 5); |
| } |
| |
| /** 16-bit depth (5:5:5) */ |
| static int |
| byte555_rgb(void *src) |
| { |
| int color = *(uint16_t *)(src); |
| return (((color >> 10) & 0x1f) << (16 + 3)) | |
| (((color >> 5) & 0x1f) << (8 + 3)) | ((color & 0x1f) << 3); |
| } |
| |
| /** 16-bit depth (5:6:5) */ |
| static void |
| rgb_byte565(void *dst, int rgb) |
| { |
| /* 5-bit, 6-bits, 5-bits */ |
| *((uint16_t *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | |
| BLUE(rgb, 5); |
| } |
| |
| /** 16-bit depth (5:6:5) */ |
| static int |
| byte565_rgb(void *src) |
| { |
| int color = *(uint16_t *)(src); |
| return (((color >> 11) & 0x1f) << (16 + 3)) | |
| (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
| } |
| |
| /** Put pixel - 8-bit depth (3:2:3) */ |
| static void |
| rgb_byte8(void *dst, int rgb) |
| { |
| *(uint8_t *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3); |
| } |
| |
| /** Return pixel color - 8-bit depth (3:2:3) */ |
| static int |
| byte8_rgb(void *src) |
| { |
| int color = *(uint8_t *)src; |
| return (((color >> 5) & 0x7) << (16 + 5)) | |
| (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
| } |
| |
| /** Put pixel into viewport |
| * |
| * @param vport Viewport identification |
| * @param x X coord relative to viewport |
| * @param y Y coord relative to viewport |
| * @param color RGB color |
| */ |
| static void |
| putpixel(viewport_t *vport, unsigned int x, unsigned int y, int color) |
| { |
| int dx = vport->x + x; |
| int dy = vport->y + y; |
| |
| if (! (vport->paused && vport->dbdata)) |
| (*screen.rgb2scr)(&screen.fbaddress[POINTPOS(dx,dy)], |
| COLOR(color)); |
| |
| if (vport->dbdata) { |
| int dline = (y + vport->dboffset) % vport->height; |
| int doffset = screen.pixelbytes * (dline * vport->width + x); |
| (*screen.rgb2scr)(&vport->dbdata[doffset], COLOR(color)); |
| } |
| } |
| |
| /** Get pixel from viewport */ |
| static int |
| getpixel(viewport_t *vport, unsigned int x, unsigned int y) |
| { |
| int dx = vport->x + x; |
| int dy = vport->y + y; |
| |
| return COLOR((*screen.scr2rgb)(&screen.fbaddress[POINTPOS(dx, dy)])); |
| } |
| |
| static inline void |
| putpixel_mem(char *mem, unsigned int x, unsigned int y, int color) |
| { |
| (*screen.rgb2scr)(&mem[POINTPOS(x, y)], COLOR(color)); |
| } |
| |
| static void |
| draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy, |
| unsigned int width, unsigned int height, int color) |
| { |
| unsigned int x, y; |
| static void *tmpline; |
| |
| if (!tmpline) |
| tmpline = malloc(screen.scanline * screen.pixelbytes); |
| |
| /* Clear first line */ |
| for (x = 0; x < width; x++) |
| putpixel_mem(tmpline, x, 0, color); |
| |
| if (!vport->paused) { |
| /* Recompute to screen coords */ |
| sx += vport->x; |
| sy += vport->y; |
| /* Copy the rest */ |
| for (y = sy;y < sy+height; y++) |
| memcpy(&screen.fbaddress[POINTPOS(sx,y)], tmpline, |
| screen.pixelbytes * width); |
| } |
| if (vport->dbdata) { |
| for (y = sy; y < sy + height; y++) { |
| int rline = (y + vport->dboffset) % vport->height; |
| int rpos = (rline * vport->width + sx) * |
| screen.pixelbytes; |
| memcpy(&vport->dbdata[rpos], tmpline, |
| screen.pixelbytes * width); |
| } |
| } |
| |
| } |
| |
| /** Fill viewport with background color */ |
| static void |
| clear_port(viewport_t *vport) |
| { |
| draw_rectangle(vport, 0, 0, vport->width, vport->height, |
| vport->style.bg_color); |
| } |
| |
| /** Scroll unbuffered viewport up/down |
| * |
| * @param vport Viewport to scroll |
| * @param lines Positive number - scroll up, negative - scroll down |
| */ |
| static void |
| scroll_port_nodb(viewport_t *vport, int lines) |
| { |
| int y; |
| |
| if (lines > 0) { |
| for (y = vport->y; y < vport->y+vport->height - lines; y++) |
| memcpy(&screen.fbaddress[POINTPOS(vport->x,y)], |
| &screen.fbaddress[POINTPOS(vport->x,y + lines)], |
| screen.pixelbytes * vport->width); |
| draw_rectangle(vport, 0, vport->height - lines, vport->width, |
| lines, vport->style.bg_color); |
| } else if (lines < 0) { |
| lines = -lines; |
| for (y = vport->y + vport->height-1; y >= vport->y + lines; y--) |
| memcpy(&screen.fbaddress[POINTPOS(vport->x,y)], |
| &screen.fbaddress[POINTPOS(vport->x,y - lines)], |
| screen.pixelbytes * vport->width); |
| draw_rectangle(vport, 0, 0, vport->width, lines, |
| vport->style.bg_color); |
| } |
| } |
| |
| /** Refresh given viewport from double buffer */ |
| static void |
| refresh_viewport_db(viewport_t *vport) |
| { |
| unsigned int y, srcy, srcoff, dsty, dstx; |
| |
| for (y = 0; y < vport->height; y++) { |
| srcy = (y + vport->dboffset) % vport->height; |
| srcoff = (vport->width * srcy) * screen.pixelbytes; |
| |
| dstx = vport->x; |
| dsty = vport->y + y; |
| |
| memcpy(&screen.fbaddress[POINTPOS(dstx,dsty)], |
| &vport->dbdata[srcoff], vport->width * screen.pixelbytes); |
| } |
| } |
| |
| /** Scroll viewport that has double buffering enabled */ |
| static void |
| scroll_port_db(viewport_t *vport, int lines) |
| { |
| ++vport->paused; |
| if (lines > 0) { |
| draw_rectangle(vport, 0, 0, vport->width, lines, |
| vport->style.bg_color); |
| vport->dboffset += lines; |
| vport->dboffset %= vport->height; |
| } else if (lines < 0) { |
| lines = -lines; |
| draw_rectangle(vport, 0, vport->height-lines, vport->width, |
| lines, vport->style.bg_color); |
| |
| if (vport->dboffset < lines) |
| vport->dboffset += vport->height; |
| vport->dboffset -= lines; |
| } |
| |
| --vport->paused; |
| |
| refresh_viewport_db(vport); |
| } |
| |
| /** Scrolls viewport given number of lines */ |
| static void |
| scroll_port(viewport_t *vport, int lines) |
| { |
| if (vport->dbdata) |
| scroll_port_db(vport, lines); |
| else |
| scroll_port_nodb(vport, lines); |
| |
| } |
| |
| static void |
| invert_pixel(viewport_t *vport, unsigned int x, unsigned int y) |
| { |
| putpixel(vport, x, y, ~getpixel(vport, x, y)); |
| } |
| |
| |
| /***************************************************************/ |
| /* Character-console functions */ |
| |
| /** Draw character at given position |
| * |
| * @param vport Viewport where the character is printed |
| * @param sx Coordinates of top-left of the character |
| * @param sy Coordinates of top-left of the character |
| * @param style Color of the character |
| * @param transparent If false, print background color |
| */ |
| static void |
| draw_glyph(viewport_t *vport,uint8_t glyph, unsigned int sx, unsigned int sy, |
| style_t style, int transparent) |
| { |
| int i; |
| unsigned int y; |
| unsigned int glline; |
| |
| for (y = 0; y < FONT_SCANLINES; y++) { |
| glline = fb_font[glyph * FONT_SCANLINES + y]; |
| for (i = 0; i < 8; i++) { |
| if (glline & (1 << (7 - i))) |
| putpixel(vport, sx + i, sy + y, style.fg_color); |
| else if (!transparent) |
| putpixel(vport, sx + i, sy + y, style.bg_color); |
| } |
| } |
| } |
| |
| /** Invert character at given position */ |
| static void |
| invert_char(viewport_t *vport,unsigned int row, unsigned int col) |
| { |
| unsigned int x; |
| unsigned int y; |
| |
| for (x = 0; x < COL_WIDTH; x++) |
| for (y = 0; y < FONT_SCANLINES; y++) |
| invert_pixel(vport, col * COL_WIDTH + x, row * |
| FONT_SCANLINES + y); |
| } |
| |
| /***************************************************************/ |
| /* Stdout specific functions */ |
| |
| |
| /** Create new viewport |
| * |
| * @return New viewport number |
| */ |
| static int |
| viewport_create(unsigned int x, unsigned int y,unsigned int width, |
| unsigned int height) |
| { |
| int i; |
| |
| for (i = 0; i < MAX_VIEWPORTS; i++) { |
| if (!viewports[i].initialized) |
| break; |
| } |
| if (i == MAX_VIEWPORTS) |
| return ELIMIT; |
| |
| viewports[i].x = x; |
| viewports[i].y = y; |
| viewports[i].width = width; |
| viewports[i].height = height; |
| |
| viewports[i].rows = height / FONT_SCANLINES; |
| viewports[i].cols = width / COL_WIDTH; |
| |
| viewports[i].style.bg_color = DEFAULT_BGCOLOR; |
| viewports[i].style.fg_color = DEFAULT_FGCOLOR; |
| |
| viewports[i].cur_col = 0; |
| viewports[i].cur_row = 0; |
| viewports[i].cursor_active = 0; |
| |
| viewports[i].initialized = 1; |
| |
| return i; |
| } |
| |
| /** Initialize framebuffer as a chardev output device |
| * |
| * @param addr Address of theframebuffer |
| * @param xres Screen width in pixels |
| * @param yres Screen height in pixels |
| * @param visual Bits per pixel (8, 16, 24, 32) |
| * @param scan Bytes per one scanline |
| * @param invert_colors Inverted colors. |
| * |
| */ |
| static bool |
| screen_init(void *addr, unsigned int xres, unsigned int yres, |
| unsigned int scan, unsigned int visual, bool invert_colors) |
| { |
| switch (visual) { |
| case VISUAL_INDIRECT_8: |
| screen.rgb2scr = rgb_byte8; |
| screen.scr2rgb = byte8_rgb; |
| screen.pixelbytes = 1; |
| break; |
| case VISUAL_RGB_5_5_5: |
| screen.rgb2scr = rgb_byte555; |
| screen.scr2rgb = byte555_rgb; |
| screen.pixelbytes = 2; |
| break; |
| case VISUAL_RGB_5_6_5: |
| screen.rgb2scr = rgb_byte565; |
| screen.scr2rgb = byte565_rgb; |
| screen.pixelbytes = 2; |
| break; |
| case VISUAL_RGB_8_8_8: |
| screen.rgb2scr = rgb_byte888; |
| screen.scr2rgb = byte888_rgb; |
| screen.pixelbytes = 3; |
| break; |
| case VISUAL_RGB_8_8_8_0: |
| screen.rgb2scr = rgb_byte888; |
| screen.scr2rgb = byte888_rgb; |
| screen.pixelbytes = 4; |
| break; |
| case VISUAL_RGB_0_8_8_8: |
| screen.rgb2scr = rgb_byte0888; |
| screen.scr2rgb = byte0888_rgb; |
| screen.pixelbytes = 4; |
| break; |
| case VISUAL_BGR_0_8_8_8: |
| screen.rgb2scr = bgr_byte0888; |
| screen.scr2rgb = byte0888_bgr; |
| screen.pixelbytes = 4; |
| break; |
| default: |
| return false; |
| } |
| |
| screen.fbaddress = (unsigned char *) addr; |
| screen.xres = xres; |
| screen.yres = yres; |
| screen.scanline = scan; |
| screen.invert_colors = invert_colors; |
| |
| /* Create first viewport */ |
| viewport_create(0, 0, xres, yres); |
| |
| return true; |
| } |
| |
| /** Hide cursor if it is shown */ |
| static void |
| cursor_hide(viewport_t *vport) |
| { |
| if (vport->cursor_active && vport->cursor_shown) { |
| invert_char(vport, vport->cur_row, vport->cur_col); |
| vport->cursor_shown = 0; |
| } |
| } |
| |
| /** Show cursor if cursor showing is enabled */ |
| static void |
| cursor_print(viewport_t *vport) |
| { |
| /* Do not check for cursor_shown */ |
| if (vport->cursor_active) { |
| invert_char(vport, vport->cur_row, vport->cur_col); |
| vport->cursor_shown = 1; |
| } |
| } |
| |
| /** Invert cursor, if it is enabled */ |
| static void |
| cursor_blink(viewport_t *vport) |
| { |
| if (vport->cursor_shown) |
| cursor_hide(vport); |
| else |
| cursor_print(vport); |
| } |
| |
| /** Draw character at given position relative to viewport |
| * |
| * @param vport Viewport identification |
| * @param c Character to print |
| * @param row Screen position relative to viewport |
| * @param col Screen position relative to viewport |
| * @param transparent If false, print background color with character |
| */ |
| static void |
| draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col, |
| style_t style, int transparent) |
| { |
| /* Optimize - do not hide cursor if we are going to overwrite it */ |
| if (vport->cursor_active && vport->cursor_shown && |
| (vport->cur_col != col || vport->cur_row != row)) |
| invert_char(vport, vport->cur_row, vport->cur_col); |
| |
| draw_glyph(vport, c, col * COL_WIDTH, row * FONT_SCANLINES, style, |
| transparent); |
| |
| vport->cur_col = col; |
| vport->cur_row = row; |
| |
| vport->cur_col++; |
| if (vport->cur_col >= vport->cols) { |
| vport->cur_col = 0; |
| vport->cur_row++; |
| if (vport->cur_row >= vport->rows) |
| vport->cur_row--; |
| } |
| cursor_print(vport); |
| } |
| |
| /** Draw text data to viewport |
| * |
| * @param vport Viewport id |
| * @param data Text data fitting exactly into viewport |
| */ |
| static void |
| draw_text_data(viewport_t *vport, keyfield_t *data) |
| { |
| int i; |
| int col,row; |
| |
| clear_port(vport); |
| for (i = 0; i < vport->cols * vport->rows; i++) { |
| if (data[i].character == ' ' && style_same(data[i].style, |
| vport->style)) |
| continue; |
| col = i % vport->cols; |
| row = i / vport->cols; |
| draw_glyph(vport, data[i].character, col * COL_WIDTH, row * |
| FONT_SCANLINES, data[i].style, style_same(data[i].style, |
| vport->style)); |
| } |
| cursor_print(vport); |
| } |
| |
| /** Return first free pixmap */ |
| static int |
| find_free_pixmap(void) |
| { |
| int i; |
| |
| for (i = 0;i < MAX_PIXMAPS;i++) |
| if (!pixmaps[i].data) |
| return i; |
| return -1; |
| } |
| |
| static void |
| putpixel_pixmap(int pm, unsigned int x, unsigned int y, int color) |
| { |
| pixmap_t *pmap = &pixmaps[pm]; |
| int pos = (y * pmap->width + x) * screen.pixelbytes; |
| |
| (*screen.rgb2scr)(&pmap->data[pos],COLOR(color)); |
| } |
| |
| /** Create a new pixmap and return appropriate ID */ |
| static int |
| shm2pixmap(unsigned char *shm, size_t size) |
| { |
| int pm; |
| pixmap_t *pmap; |
| |
| pm = find_free_pixmap(); |
| if (pm == -1) |
| return ELIMIT; |
| pmap = &pixmaps[pm]; |
| |
| if (ppm_get_data(shm, size, &pmap->width, &pmap->height)) |
| return EINVAL; |
| |
| pmap->data = malloc(pmap->width * pmap->height * screen.pixelbytes); |
| if (!pmap->data) |
| return ENOMEM; |
| |
| ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, |
| (putpixel_cb_t)putpixel_pixmap, (void *)pm); |
| |
| return pm; |
| } |
| |
| /** Handle shared memory communication calls |
| * |
| * Protocol for drawing pixmaps: |
| * - FB_PREPARE_SHM(client shm identification) |
| * - IPC_M_AS_AREA_SEND |
| * - FB_DRAW_PPM(startx,starty) |
| * - FB_DROP_SHM |
| * |
| * Protocol for text drawing |
| * - IPC_M_AS_AREA_SEND |
| * - FB_DRAW_TEXT_DATA |
| * |
| * @param callid Callid of the current call |
| * @param call Current call data |
| * @param vp Active viewport |
| * @return 0 if the call was not handled byt this function, 1 otherwise |
| * |
| * note: this function is not threads safe, you would have |
| * to redefine static variables with __thread |
| */ |
| static int |
| shm_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
| { |
| static keyfield_t *interbuffer = NULL; |
| static size_t intersize = 0; |
| |
| static unsigned char *shm = NULL; |
| static ipcarg_t shm_id = 0; |
| static size_t shm_size; |
| |
| int handled = 1; |
| int retval = 0; |
| viewport_t *vport = &viewports[vp]; |
| unsigned int x, y; |
| |
| switch (IPC_GET_METHOD(*call)) { |
| case IPC_M_SHARE_OUT: |
| /* We accept one area for data interchange */ |
| if (IPC_GET_ARG1(*call) == shm_id) { |
| void *dest = as_get_mappable_page(IPC_GET_ARG2(*call)); |
| shm_size = IPC_GET_ARG2(*call); |
| if (!ipc_answer_1(callid, EOK, (sysarg_t) dest)) |
| shm = dest; |
| else |
| shm_id = 0; |
| if (shm[0] != 'P') |
| while (1) |
| ; |
| return 1; |
| } else { |
| intersize = IPC_GET_ARG2(*call); |
| receive_comm_area(callid, call, (void *) &interbuffer); |
| } |
| return 1; |
| case FB_PREPARE_SHM: |
| if (shm_id) |
| retval = EBUSY; |
| else |
| shm_id = IPC_GET_ARG1(*call); |
| break; |
| |
| case FB_DROP_SHM: |
| if (shm) { |
| as_area_destroy(shm); |
| shm = NULL; |
| } |
| shm_id = 0; |
| break; |
| |
| case FB_SHM2PIXMAP: |
| if (!shm) { |
| retval = EINVAL; |
| break; |
| } |
| retval = shm2pixmap(shm, shm_size); |
| break; |
| case FB_DRAW_PPM: |
| if (!shm) { |
| retval = EINVAL; |
| break; |
| } |
| x = IPC_GET_ARG1(*call); |
| y = IPC_GET_ARG2(*call); |
| if (x > vport->width || y > vport->height) { |
| retval = EINVAL; |
| break; |
| } |
| |
| ppm_draw(shm, shm_size, IPC_GET_ARG1(*call), |
| IPC_GET_ARG2(*call), vport->width - x, vport->height - y, |
| (putpixel_cb_t)putpixel, vport); |
| break; |
| case FB_DRAW_TEXT_DATA: |
| if (!interbuffer) { |
| retval = EINVAL; |
| break; |
| } |
| if (intersize < vport->cols * vport->rows * |
| sizeof(*interbuffer)) { |
| retval = EINVAL; |
| break; |
| } |
| draw_text_data(vport, interbuffer); |
| break; |
| default: |
| handled = 0; |
| } |
| |
| if (handled) |
| ipc_answer_0(callid, retval); |
| return handled; |
| } |
| |
| static void |
| copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap) |
| { |
| int y; |
| int tmp, srcrowsize; |
| int realwidth, realheight, realrowsize; |
| int width = vport->width; |
| int height = vport->height; |
| |
| if (width + vport->x > screen.xres) |
| width = screen.xres - vport->x; |
| if (height + vport->y > screen.yres) |
| height = screen.yres - vport->y; |
| |
| realwidth = pmap->width <= width ? pmap->width : width; |
| realheight = pmap->height <= height ? pmap->height : height; |
| |
| srcrowsize = vport->width * screen.pixelbytes; |
| realrowsize = realwidth * screen.pixelbytes; |
| |
| for (y = 0; y < realheight; y++) { |
| tmp = (vport->y + y) * screen.scanline + |
| vport->x * screen.pixelbytes; |
| memcpy(pmap->data + srcrowsize * y, screen.fbaddress + tmp, |
| realrowsize); |
| } |
| } |
| |
| /** Save viewport to pixmap */ |
| static int |
| save_vp_to_pixmap(viewport_t *vport) |
| { |
| int pm; |
| pixmap_t *pmap; |
| |
| pm = find_free_pixmap(); |
| if (pm == -1) |
| return ELIMIT; |
| |
| pmap = &pixmaps[pm]; |
| pmap->data = malloc(screen.pixelbytes * vport->width * vport->height); |
| if (!pmap->data) |
| return ENOMEM; |
| |
| pmap->width = vport->width; |
| pmap->height = vport->height; |
| |
| copy_vp_to_pixmap(vport, pmap); |
| |
| return pm; |
| } |
| |
| /** Draw pixmap on screen |
| * |
| * @param vp Viewport to draw on |
| * @param pm Pixmap identifier |
| */ |
| static int draw_pixmap(int vp, int pm) |
| { |
| pixmap_t *pmap = &pixmaps[pm]; |
| viewport_t *vport = &viewports[vp]; |
| int y; |
| int tmp, srcrowsize; |
| int realwidth, realheight, realrowsize; |
| int width = vport->width; |
| int height = vport->height; |
| |
| if (width + vport->x > screen.xres) |
| width = screen.xres - vport->x; |
| if (height + vport->y > screen.yres) |
| height = screen.yres - vport->y; |
| |
| if (!pmap->data) |
| return EINVAL; |
| |
| realwidth = pmap->width <= width ? pmap->width : width; |
| realheight = pmap->height <= height ? pmap->height : height; |
| |
| srcrowsize = vport->width * screen.pixelbytes; |
| realrowsize = realwidth * screen.pixelbytes; |
| |
| for (y = 0; y < realheight; y++) { |
| tmp = (vport->y + y) * screen.scanline + |
| vport->x * screen.pixelbytes; |
| memcpy(screen.fbaddress + tmp, pmap->data + y * srcrowsize, |
| realrowsize); |
| } |
| return 0; |
| } |
| |
| /** Tick animation one step forward */ |
| static void |
| anims_tick(void) |
| { |
| int i; |
| static int counts = 0; |
| |
| /* Limit redrawing */ |
| counts = (counts + 1) % 8; |
| if (counts) |
| return; |
| |
| for (i = 0; i < MAX_ANIMATIONS; i++) { |
| if (!animations[i].animlen || !animations[i].initialized || |
| !animations[i].enabled) |
| continue; |
| draw_pixmap(animations[i].vp, |
| animations[i].pixmaps[animations[i].pos]); |
| animations[i].pos = (animations[i].pos + 1) % |
| animations[i].animlen; |
| } |
| } |
| |
| |
| static int pointer_x, pointer_y; |
| static int pointer_shown, pointer_enabled; |
| static int pointer_vport = -1; |
| static int pointer_pixmap = -1; |
| |
| static void |
| mouse_show(void) |
| { |
| int i, j; |
| int visibility; |
| int color; |
| int bytepos; |
| |
| if (pointer_shown || !pointer_enabled) |
| return; |
| |
| /* Save image under the cursor */ |
| if (pointer_vport == -1) { |
| pointer_vport = viewport_create(pointer_x, pointer_y, |
| pointer_width, pointer_height); |
| if (pointer_vport < 0) |
| return; |
| } else { |
| viewports[pointer_vport].x = pointer_x; |
| viewports[pointer_vport].y = pointer_y; |
| } |
| |
| if (pointer_pixmap == -1) |
| pointer_pixmap = save_vp_to_pixmap(&viewports[pointer_vport]); |
| else |
| copy_vp_to_pixmap(&viewports[pointer_vport], |
| &pixmaps[pointer_pixmap]); |
| |
| /* Draw cursor */ |
| for (i = 0; i < pointer_height; i++) |
| for (j = 0; j < pointer_width; j++) { |
| bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8; |
| visibility = pointer_mask_bits[bytepos] & |
| (1 << (j % 8)); |
| if (visibility) { |
| color = pointer_bits[bytepos] & |
| (1 << (j % 8)) ? 0 : 0xffffff; |
| if (pointer_x + j < screen.xres && pointer_y + |
| i < screen.yres) |
| putpixel(&viewports[0], pointer_x + j, |
| pointer_y + i, color); |
| } |
| } |
| pointer_shown = 1; |
| } |
| |
| static void |
| mouse_hide(void) |
| { |
| /* Restore image under the cursor */ |
| if (pointer_shown) { |
| draw_pixmap(pointer_vport, pointer_pixmap); |
| pointer_shown = 0; |
| } |
| } |
| |
| static void |
| mouse_move(unsigned int x, unsigned int y) |
| { |
| mouse_hide(); |
| pointer_x = x; |
| pointer_y = y; |
| mouse_show(); |
| } |
| |
| static int |
| anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
| { |
| int handled = 1; |
| int retval = 0; |
| int i,nvp; |
| int newval; |
| |
| switch (IPC_GET_METHOD(*call)) { |
| case FB_ANIM_CREATE: |
| nvp = IPC_GET_ARG1(*call); |
| if (nvp == -1) |
| nvp = vp; |
| if (nvp >= MAX_VIEWPORTS || nvp < 0 || |
| !viewports[nvp].initialized) { |
| retval = EINVAL; |
| break; |
| } |
| for (i = 0; i < MAX_ANIMATIONS; i++) { |
| if (!animations[i].initialized) |
| break; |
| } |
| if (i == MAX_ANIMATIONS) { |
| retval = ELIMIT; |
| break; |
| } |
| animations[i].initialized = 1; |
| animations[i].animlen = 0; |
| animations[i].pos = 0; |
| animations[i].enabled = 0; |
| animations[i].vp = nvp; |
| retval = i; |
| break; |
| case FB_ANIM_DROP: |
| i = IPC_GET_ARG1(*call); |
| if (i >= MAX_ANIMATIONS || i < 0) { |
| retval = EINVAL; |
| break; |
| } |
| animations[i].initialized = 0; |
| break; |
| case FB_ANIM_ADDPIXMAP: |
| i = IPC_GET_ARG1(*call); |
| if (i >= MAX_ANIMATIONS || i < 0 || |
| !animations[i].initialized) { |
| retval = EINVAL; |
| break; |
| } |
| if (animations[i].animlen == MAX_ANIM_LEN) { |
| retval = ELIMIT; |
| break; |
| } |
| newval = IPC_GET_ARG2(*call); |
| if (newval < 0 || newval > MAX_PIXMAPS || |
| !pixmaps[newval].data) { |
| retval = EINVAL; |
| break; |
| } |
| animations[i].pixmaps[animations[i].animlen++] = newval; |
| break; |
| case FB_ANIM_CHGVP: |
| i = IPC_GET_ARG1(*call); |
| if (i >= MAX_ANIMATIONS || i < 0) { |
| retval = EINVAL; |
| break; |
| } |
| nvp = IPC_GET_ARG2(*call); |
| if (nvp == -1) |
| nvp = vp; |
| if (nvp >= MAX_VIEWPORTS || nvp < 0 || |
| !viewports[nvp].initialized) { |
| retval = EINVAL; |
| break; |
| } |
| animations[i].vp = nvp; |
| break; |
| case FB_ANIM_START: |
| case FB_ANIM_STOP: |
| i = IPC_GET_ARG1(*call); |
| if (i >= MAX_ANIMATIONS || i < 0) { |
| retval = EINVAL; |
| break; |
| } |
| newval = (IPC_GET_METHOD(*call) == FB_ANIM_START); |
| if (newval ^ animations[i].enabled) { |
| animations[i].enabled = newval; |
| anims_enabled += newval ? 1 : -1; |
| } |
| break; |
| default: |
| handled = 0; |
| } |
| if (handled) |
| ipc_answer_0(callid, retval); |
| return handled; |
| } |
| |
| /** Handler for messages concerning pixmap handling */ |
| static int |
| pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
| { |
| int handled = 1; |
| int retval = 0; |
| int i,nvp; |
| |
| switch (IPC_GET_METHOD(*call)) { |
| case FB_VP_DRAW_PIXMAP: |
| nvp = IPC_GET_ARG1(*call); |
| if (nvp == -1) |
| nvp = vp; |
| if (nvp < 0 || nvp >= MAX_VIEWPORTS || |
| !viewports[nvp].initialized) { |
| retval = EINVAL; |
| break; |
| } |
| i = IPC_GET_ARG2(*call); |
| retval = draw_pixmap(nvp, i); |
| break; |
| case FB_VP2PIXMAP: |
| nvp = IPC_GET_ARG1(*call); |
| if (nvp == -1) |
| nvp = vp; |
| if (nvp < 0 || nvp >= MAX_VIEWPORTS || |
| !viewports[nvp].initialized) |
| retval = EINVAL; |
| else |
| retval = save_vp_to_pixmap(&viewports[nvp]); |
| break; |
| case FB_DROP_PIXMAP: |
| i = IPC_GET_ARG1(*call); |
| if (i >= MAX_PIXMAPS) { |
| retval = EINVAL; |
| break; |
| } |
| if (pixmaps[i].data) { |
| free(pixmaps[i].data); |
| pixmaps[i].data = NULL; |
| } |
| break; |
| default: |
| handled = 0; |
| } |
| |
| if (handled) |
| ipc_answer_0(callid, retval); |
| return handled; |
| |
| } |
| |
| /** Function for handling connections to FB |
| * |
| */ |
| static void |
| fb_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
| { |
| ipc_callid_t callid; |
| ipc_call_t call; |
| int retval; |
| int i; |
| unsigned int row,col; |
| char c; |
| |
| int vp = 0; |
| viewport_t *vport = &viewports[0]; |
| |
| if (client_connected) { |
| ipc_answer_0(iid, ELIMIT); |
| return; |
| } |
| client_connected = 1; |
| ipc_answer_0(iid, EOK); /* Accept connection */ |
| |
| while (1) { |
| if (vport->cursor_active || anims_enabled) |
| callid = async_get_call_timeout(&call, 250000); |
| else |
| callid = async_get_call(&call); |
| |
| mouse_hide(); |
| if (!callid) { |
| cursor_blink(vport); |
| anims_tick(); |
| mouse_show(); |
| continue; |
| } |
| if (shm_handle(callid, &call, vp)) |
| continue; |
| if (pixmap_handle(callid, &call, vp)) |
| continue; |
| if (anim_handle(callid, &call, vp)) |
| continue; |
| |
| switch (IPC_GET_METHOD(call)) { |
| case IPC_M_PHONE_HUNGUP: |
| client_connected = 0; |
| /* cleanup other viewports */ |
| for (i = 1; i < MAX_VIEWPORTS; i++) |
| vport->initialized = 0; |
| return; /* Exit thread */ |
| |
| case FB_PUTCHAR: |
| case FB_TRANS_PUTCHAR: |
| c = IPC_GET_ARG1(call); |
| row = IPC_GET_ARG2(call); |
| col = IPC_GET_ARG3(call); |
| if (row >= vport->rows || col >= vport->cols) { |
| retval = EINVAL; |
| break; |
| } |
| ipc_answer_0(callid, EOK); |
| |
| draw_char(vport, c, row, col, vport->style, |
| IPC_GET_METHOD(call) == FB_TRANS_PUTCHAR); |
| continue; /* msg already answered */ |
| case FB_CLEAR: |
| clear_port(vport); |
| cursor_print(vport); |
| retval = 0; |
| break; |
| case FB_CURSOR_GOTO: |
| row = IPC_GET_ARG1(call); |
| col = IPC_GET_ARG2(call); |
| if (row >= vport->rows || col >= vport->cols) { |
| retval = EINVAL; |
| break; |
| } |
| retval = 0; |
| cursor_hide(vport); |
| vport->cur_col = col; |
| vport->cur_row = row; |
| cursor_print(vport); |
| break; |
| case FB_CURSOR_VISIBILITY: |
| cursor_hide(vport); |
| vport->cursor_active = IPC_GET_ARG1(call); |
| cursor_print(vport); |
| retval = 0; |
| break; |
| case FB_GET_CSIZE: |
| ipc_answer_2(callid, EOK, vport->rows, vport->cols); |
| continue; |
| case FB_SCROLL: |
| i = IPC_GET_ARG1(call); |
| if (i > vport->rows || i < (- (int)vport->rows)) { |
| retval = EINVAL; |
| break; |
| } |
| cursor_hide(vport); |
| scroll_port(vport, i*FONT_SCANLINES); |
| cursor_print(vport); |
| retval = 0; |
| break; |
| case FB_VIEWPORT_DB: |
| /* Enable double buffering */ |
| i = IPC_GET_ARG1(call); |
| if (i == -1) |
| i = vp; |
| if (i < 0 || i >= MAX_VIEWPORTS) { |
| retval = EINVAL; |
| break; |
| } |
| if (!viewports[i].initialized ) { |
| retval = EADDRNOTAVAIL; |
| break; |
| } |
| viewports[i].dboffset = 0; |
| if (IPC_GET_ARG2(call) == 1 && !viewports[i].dbdata) |
| viewports[i].dbdata = |
| malloc(screen.pixelbytes * |
| viewports[i].width * viewports[i].height); |
| else if (IPC_GET_ARG2(call) == 0 && |
| viewports[i].dbdata) { |
| free(viewports[i].dbdata); |
| viewports[i].dbdata = NULL; |
| } |
| retval = 0; |
| break; |
| case FB_VIEWPORT_SWITCH: |
| i = IPC_GET_ARG1(call); |
| if (i < 0 || i >= MAX_VIEWPORTS) { |
| retval = EINVAL; |
| break; |
| } |
| if (! viewports[i].initialized ) { |
| retval = EADDRNOTAVAIL; |
| break; |
| } |
| cursor_hide(vport); |
| vp = i; |
| vport = &viewports[vp]; |
| cursor_print(vport); |
| retval = 0; |
| break; |
| case FB_VIEWPORT_CREATE: |
| retval = viewport_create(IPC_GET_ARG1(call) >> 16, |
| IPC_GET_ARG1(call) & 0xffff, |
| IPC_GET_ARG2(call) >> 16, |
| IPC_GET_ARG2(call) & 0xffff); |
| break; |
| case FB_VIEWPORT_DELETE: |
| i = IPC_GET_ARG1(call); |
| if (i < 0 || i >= MAX_VIEWPORTS) { |
| retval = EINVAL; |
| break; |
| } |
| if (! viewports[i].initialized ) { |
| retval = EADDRNOTAVAIL; |
| break; |
| } |
| viewports[i].initialized = 0; |
| if (viewports[i].dbdata) { |
| free(viewports[i].dbdata); |
| viewports[i].dbdata = NULL; |
| } |
| retval = 0; |
| break; |
| case FB_SET_STYLE: |
| vport->style.fg_color = IPC_GET_ARG1(call); |
| vport->style.bg_color = IPC_GET_ARG2(call); |
| retval = 0; |
| break; |
| case FB_GET_RESOLUTION: |
| ipc_answer_2(callid, EOK, screen.xres, screen.yres); |
| continue; |
| case FB_POINTER_MOVE: |
| pointer_enabled = 1; |
| mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call)); |
| retval = 0; |
| break; |
| default: |
| retval = ENOENT; |
| } |
| ipc_answer_0(callid, retval); |
| } |
| } |
| |
| /** Initialization of framebuffer */ |
| int |
| fb_init(void) |
| { |
| void *fb_ph_addr; |
| unsigned int fb_width; |
| unsigned int fb_height; |
| unsigned int fb_scanline; |
| unsigned int fb_visual; |
| bool fb_invert_colors; |
| void *fb_addr; |
| size_t asz; |
| |
| async_set_client_connection(fb_client_connection); |
| |
| fb_ph_addr = (void *) sysinfo_value("fb.address.physical"); |
| fb_width = sysinfo_value("fb.width"); |
| fb_height = sysinfo_value("fb.height"); |
| fb_scanline = sysinfo_value("fb.scanline"); |
| fb_visual = sysinfo_value("fb.visual"); |
| fb_invert_colors = sysinfo_value("fb.invert-colors"); |
| |
| asz = fb_scanline * fb_height; |
| fb_addr = as_get_mappable_page(asz); |
| |
| physmem_map(fb_ph_addr, fb_addr, ALIGN_UP(asz, PAGE_SIZE) >> |
| PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE); |
| |
| if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual, |
| fb_invert_colors)) |
| return 0; |
| |
| return -1; |
| } |
| |
| /** |
| * @} |
| */ |