| 1,4 → 1,5 |
|---|
| /* |
| * Copyright (c) 2008 Martin Decky |
| * Copyright (c) 2006 Jakub Vana |
| * Copyright (c) 2006 Ondrej Palkovsky |
| * All rights reserved. |
| 32,7 → 33,7 |
|---|
| * @brief HelenOS graphical framebuffer. |
| * @ingroup fbs |
| * @{ |
| */ |
| */ |
| |
| /** @file |
| */ |
| 50,6 → 51,8 |
|---|
| #include <ipc/services.h> |
| #include <kernel/errno.h> |
| #include <kernel/genarch/fb/visuals.h> |
| #include <console/color.h> |
| #include <console/style.h> |
| #include <async.h> |
| #include <bool.h> |
| |
| 62,427 → 65,433 |
|---|
| #include "pointer.xbm" |
| #include "pointer_mask.xbm" |
| |
| #define DEFAULT_BGCOLOR 0xf0f0f0 |
| #define DEFAULT_FGCOLOR 0x0 |
| #define DEFAULT_BGCOLOR 0xf0f0f0 |
| #define DEFAULT_FGCOLOR 0x000000 |
| |
| /***************************************************************/ |
| /* Pixel specific fuctions */ |
| #define MAX_ANIM_LEN 8 |
| #define MAX_ANIMATIONS 4 |
| #define MAX_PIXMAPS 256 /**< Maximum number of saved pixmaps */ |
| #define MAX_VIEWPORTS 128 /**< Viewport is a rectangular area on the screen */ |
| |
| typedef void (*conv2scr_fn_t)(void *, int); |
| typedef int (*conv2rgb_fn_t)(void *); |
| /** Function to render a pixel from a RGB value. */ |
| typedef void (*rgb_conv_t)(void *, uint32_t); |
| |
| /** Function to draw a glyph. */ |
| typedef void (*dg_t)(unsigned int x, unsigned int y, bool cursor, |
| uint8_t *glyphs, uint8_t glyph, uint32_t fg_color, uint32_t bg_color); |
| |
| struct { |
| uint8_t *fbaddress; |
| |
| uint8_t *fb_addr; |
| |
| unsigned int xres; |
| unsigned int yres; |
| |
| unsigned int scanline; |
| unsigned int glyphscanline; |
| |
| unsigned int pixelbytes; |
| unsigned int invert_colors; |
| |
| conv2scr_fn_t rgb2scr; |
| conv2rgb_fn_t scr2rgb; |
| unsigned int glyphbytes; |
| |
| rgb_conv_t rgb_conv; |
| } screen; |
| |
| /** Backbuffer character cell. */ |
| typedef struct { |
| int initialized; |
| unsigned int x, y; |
| unsigned int width, height; |
| uint8_t glyph; |
| uint32_t fg_color; |
| uint32_t bg_color; |
| } bb_cell_t; |
| |
| typedef struct { |
| bool initialized; |
| unsigned int x; |
| unsigned int y; |
| unsigned int width; |
| unsigned int height; |
| |
| /* Text support in window */ |
| unsigned int rows, cols; |
| /* Style for text printing */ |
| style_t style; |
| unsigned int cols; |
| unsigned int rows; |
| |
| /* |
| * Style and glyphs for text printing |
| */ |
| |
| /** Current attributes. */ |
| attr_rgb_t attr; |
| |
| /** Pre-rendered mask for rendering glyphs. Different viewports |
| * might use different drawing functions depending on whether their |
| * scanlines are aligned on a word boundary.*/ |
| uint8_t *glyphs; |
| |
| uint8_t *bgpixel; |
| |
| /** Glyph drawing function for this viewport. */ |
| dg_t dglyph; |
| |
| /* Auto-cursor position */ |
| int cursor_active, cur_col, cur_row; |
| int cursor_shown; |
| /* Double buffering */ |
| uint8_t *dbdata; |
| unsigned int dboffset; |
| unsigned int paused; |
| bool cursor_active; |
| unsigned int cur_col; |
| unsigned int cur_row; |
| bool cursor_shown; |
| |
| /* Back buffer */ |
| bb_cell_t *backbuf; |
| unsigned int bbsize; |
| } viewport_t; |
| |
| #define MAX_ANIM_LEN 8 |
| #define MAX_ANIMATIONS 4 |
| typedef struct { |
| int initialized; |
| int enabled; |
| bool initialized; |
| bool 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; |
| static bool 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; |
| static bool client_connected = false; /**< Allow only 1 connection */ |
| |
| #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)) |
| static uint32_t color_table[16] = { |
| [COLOR_BLACK] = 0x000000, |
| [COLOR_BLUE] = 0x0000f0, |
| [COLOR_GREEN] = 0x00f000, |
| [COLOR_CYAN] = 0x00f0f0, |
| [COLOR_RED] = 0xf00000, |
| [COLOR_MAGENTA] = 0xf000f0, |
| [COLOR_YELLOW] = 0xf0f000, |
| [COLOR_WHITE] = 0xf0f0f0, |
| |
| #define COL_WIDTH 8 |
| #define ROW_BYTES (screen.scanline * FONT_SCANLINES) |
| [8 + COLOR_BLACK] = 0x000000, |
| [8 + COLOR_BLUE] = 0x0000ff, |
| [8 + COLOR_GREEN] = 0x00ff00, |
| [8 + COLOR_CYAN] = 0x00ffff, |
| [8 + COLOR_RED] = 0xff0000, |
| [8 + COLOR_MAGENTA] = 0xff00ff, |
| [8 + COLOR_YELLOW] = 0xffff00, |
| [8 + COLOR_WHITE] = 0xffffff, |
| }; |
| |
| #define POINTPOS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes) |
| static int rgb_from_attr(attr_rgb_t *rgb, const attrs_t *a); |
| static int rgb_from_style(attr_rgb_t *rgb, int style); |
| static int rgb_from_idx(attr_rgb_t *rgb, ipcarg_t fg_color, |
| ipcarg_t bg_color, ipcarg_t flags); |
| |
| static inline int COLOR(int color) |
| { |
| return screen.invert_colors ? ~color : color; |
| } |
| static int fb_set_color(viewport_t *vport, ipcarg_t fg_color, |
| ipcarg_t bg_color, ipcarg_t attr); |
| |
| /* Conversion routines between different color representations */ |
| static void |
| rgb_byte0888(void *dst, int rgb) |
| { |
| *(int *)dst = rgb; |
| } |
| static void draw_glyph_aligned(unsigned int x, unsigned int y, bool cursor, |
| uint8_t *glyphs, uint8_t glyph, uint32_t fg_color, uint32_t bg_color); |
| static void draw_glyph_fallback(unsigned int x, unsigned int y, bool cursor, |
| uint8_t *glyphs, uint8_t glyph, uint32_t fg_color, uint32_t bg_color); |
| |
| static int |
| byte0888_rgb(void *src) |
| { |
| return (*(int *)src) & 0xffffff; |
| } |
| static void draw_vp_glyph(viewport_t *vport, bool cursor, unsigned int col, |
| unsigned int row); |
| |
| 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); |
| } |
| #define RED(x, bits) ((x >> (8 + 8 + 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)) |
| |
| 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 |
| } |
| #define COL2X(col) ((col) * FONT_WIDTH) |
| #define ROW2Y(row) ((row) * FONT_SCANLINES) |
| |
| 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 |
| } |
| #define X2COL(x) ((x) / FONT_WIDTH) |
| #define Y2ROW(y) ((y) / FONT_SCANLINES) |
| |
| /** 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); |
| } |
| #define FB_POS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes) |
| #define BB_POS(vport, col, row) ((row) * vport->cols + (col)) |
| #define GLYPH_POS(glyph, y, cursor) (((glyph) + (cursor) * FONT_GLYPHS) * screen.glyphbytes + (y) * screen.glyphscanline) |
| |
| /** 16-bit depth (5:5:5) */ |
| static int |
| byte555_rgb(void *src) |
| |
| /** ARGB 8:8:8:8 conversion |
| * |
| */ |
| static void rgb_0888(void *dst, uint32_t rgb) |
| { |
| int color = *(uint16_t *)(src); |
| return (((color >> 10) & 0x1f) << (16 + 3)) | |
| (((color >> 5) & 0x1f) << (8 + 3)) | ((color & 0x1f) << 3); |
| *((uint32_t *) dst) = rgb & 0xffffff; |
| } |
| |
| /** 16-bit depth (5:6:5) */ |
| static void |
| rgb_byte565(void *dst, int rgb) |
| |
| /** ABGR 8:8:8:8 conversion |
| * |
| */ |
| static void bgr_0888(void *dst, uint32_t rgb) |
| { |
| /* 5-bit, 6-bits, 5-bits */ |
| *((uint16_t *)(dst)) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | |
| BLUE(rgb, 5); |
| *((uint32_t *) dst) |
| = (BLUE(rgb, 8) << 16) | (GREEN(rgb, 8) << 8) | RED(rgb, 8); |
| } |
| |
| /** 16-bit depth (5:6:5) */ |
| static int |
| byte565_rgb(void *src) |
| |
| /** RGB 8:8:8 conversion |
| * |
| */ |
| static void rgb_888(void *dst, uint32_t rgb) |
| { |
| int color = *(uint16_t *)(src); |
| return (((color >> 11) & 0x1f) << (16 + 3)) | |
| (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
| ((uint8_t *) dst)[0] = BLUE(rgb, 8); |
| ((uint8_t *) dst)[1] = GREEN(rgb, 8); |
| ((uint8_t *) dst)[2] = RED(rgb, 8); |
| } |
| |
| /** Put pixel - 8-bit depth (3:2:3) */ |
| static void |
| rgb_byte8(void *dst, int rgb) |
| |
| /** BGR 8:8:8 conversion |
| * |
| */ |
| static void bgr_888(void *dst, uint32_t rgb) |
| { |
| *(uint8_t *)dst = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3); |
| ((uint8_t *) dst)[0] = RED(rgb, 8); |
| ((uint8_t *) dst)[1] = GREEN(rgb, 8); |
| ((uint8_t *) dst)[2] = BLUE(rgb, 8); |
| } |
| |
| /** Return pixel color - 8-bit depth (3:2:3) */ |
| static int |
| byte8_rgb(void *src) |
| |
| /** RGB 5:5:5 conversion |
| * |
| */ |
| static void rgb_555(void *dst, uint32_t rgb) |
| { |
| int color = *(uint8_t *)src; |
| return (((color >> 5) & 0x7) << (16 + 5)) | |
| (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
| *((uint16_t *) dst) |
| = (RED(rgb, 5) << 10) | (GREEN(rgb, 5) << 5) | BLUE(rgb, 5); |
| } |
| |
| /** Put pixel into viewport |
| |
| /** RGB 5:6:5 conversion |
| * |
| * @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) |
| static void rgb_565(void *dst, uint32_t rgb) |
| { |
| 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)); |
| } |
| *((uint16_t *) dst) |
| = (RED(rgb, 5) << 11) | (GREEN(rgb, 6) << 5) | BLUE(rgb, 5); |
| } |
| |
| /** 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) |
| /** RGB 3:2:3 |
| * |
| */ |
| static void rgb_323(void *dst, uint32_t rgb) |
| { |
| (*screen.rgb2scr)(&mem[POINTPOS(x, y)], COLOR(color)); |
| *((uint8_t *) dst) |
| = ~((RED(rgb, 3) << 5) | (GREEN(rgb, 2) << 3) | BLUE(rgb, 3)); |
| } |
| |
| static void |
| draw_rectangle(viewport_t *vport, unsigned int sx, unsigned int sy, |
| unsigned int width, unsigned int height, int color) |
| /** Draw a filled rectangle. |
| * |
| * @note Need real implementation that does not access VRAM twice. |
| */ |
| static void draw_filled_rect(unsigned int x0, unsigned int y0, unsigned int x1, |
| unsigned int y1, uint32_t color) |
| { |
| unsigned int x, y; |
| static void *tmpline; |
| unsigned int copy_bytes; |
| |
| if (!tmpline) |
| tmpline = malloc(screen.scanline * screen.pixelbytes); |
| uint8_t *sp, *dp; |
| uint8_t cbuf[4]; |
| |
| /* Clear first line */ |
| for (x = 0; x < width; x++) |
| putpixel_mem(tmpline, x, 0, color); |
| if (y0 >= y1 || x0 >= x1) return; |
| screen.rgb_conv(cbuf, 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); |
| sp = &screen.fb_addr[FB_POS(x0, y0)]; |
| dp = sp; |
| |
| /* Draw the first line. */ |
| for (x = x0; x < x1; x++) { |
| memcpy(dp, cbuf, screen.pixelbytes); |
| dp += screen.pixelbytes; |
| } |
| 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); |
| } |
| } |
| |
| } |
| dp = sp + screen.scanline; |
| copy_bytes = (x1 - x0) * screen.pixelbytes; |
| |
| /** 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); |
| /* Draw the remaining lines by copying. */ |
| for (y = y0 + 1; y < y1; y++) { |
| memcpy(dp, sp, copy_bytes); |
| dp += screen.scanline; |
| } |
| } |
| |
| /** Scroll unbuffered viewport up/down |
| /** Redraw viewport. |
| * |
| * @param vport Viewport to scroll |
| * @param lines Positive number - scroll up, negative - scroll down |
| * @param vport Viewport to redraw |
| * |
| */ |
| static void |
| scroll_port_nodb(viewport_t *vport, int lines) |
| static void vport_redraw(viewport_t *vport) |
| { |
| int y; |
| unsigned int row, col; |
| |
| 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); |
| for (row = 0; row < vport->rows; row++) { |
| for (col = 0; col < vport->cols; col++) { |
| draw_vp_glyph(vport, false, col, row); |
| } |
| } |
| } |
| |
| /** Refresh given viewport from double buffer */ |
| static void |
| refresh_viewport_db(viewport_t *vport) |
| { |
| unsigned int y, srcy, srcoff, dsty, dstx; |
| if (COL2X(vport->cols) < vport->width) { |
| draw_filled_rect( |
| vport->x + COL2X(vport->cols), vport->y, |
| vport->x + vport->width, vport->y + vport->height, |
| vport->attr.bg_color); |
| } |
| |
| 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); |
| if (ROW2Y(vport->rows) < vport->height) { |
| draw_filled_rect( |
| vport->x, vport->y + ROW2Y(vport->rows), |
| vport->x + vport->width, vport->y + vport->height, |
| vport->attr.bg_color); |
| } |
| } |
| |
| /** Scroll viewport that has double buffering enabled */ |
| static void |
| scroll_port_db(viewport_t *vport, int lines) |
| static void backbuf_clear(bb_cell_t *backbuf, size_t len, uint32_t fg_color, |
| uint32_t bg_color) |
| { |
| ++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); |
| unsigned i; |
| |
| if (vport->dboffset < lines) |
| vport->dboffset += vport->height; |
| vport->dboffset -= lines; |
| for (i = 0; i < len; i++) { |
| backbuf[i].glyph = 0; |
| backbuf[i].fg_color = fg_color; |
| backbuf[i].bg_color = bg_color; |
| } |
| |
| --vport->paused; |
| |
| refresh_viewport_db(vport); |
| } |
| |
| /** Scrolls viewport given number of lines */ |
| static void |
| scroll_port(viewport_t *vport, int lines) |
| /** Clear viewport. |
| * |
| * @param vport Viewport to clear |
| * |
| */ |
| static void vport_clear(viewport_t *vport) |
| { |
| if (vport->dbdata) |
| scroll_port_db(vport, lines); |
| else |
| scroll_port_nodb(vport, lines); |
| |
| backbuf_clear(vport->backbuf, vport->cols * vport->rows, |
| vport->attr.fg_color, vport->attr.bg_color); |
| vport_redraw(vport); |
| } |
| |
| static void |
| invert_pixel(viewport_t *vport, unsigned int x, unsigned int y) |
| /** Scroll viewport by the specified number of lines. |
| * |
| * @param vport Viewport to scroll |
| * @param lines Number of lines to scroll |
| * |
| */ |
| static void vport_scroll(viewport_t *vport, int lines) |
| { |
| putpixel(vport, x, y, ~getpixel(vport, x, y)); |
| } |
| unsigned int row, col; |
| unsigned int x, y; |
| uint8_t glyph; |
| uint32_t fg_color; |
| uint32_t bg_color; |
| bb_cell_t *bbp, *xbp; |
| |
| /* |
| * Redraw. |
| */ |
| |
| /***************************************************************/ |
| /* Character-console functions */ |
| y = vport->y; |
| for (row = 0; row < vport->rows; row++) { |
| x = vport->x; |
| for (col = 0; col < vport->cols; col++) { |
| if ((row + lines >= 0) && (row + lines < vport->rows)) { |
| xbp = &vport->backbuf[BB_POS(vport, col, row + lines)]; |
| bbp = &vport->backbuf[BB_POS(vport, col, row)]; |
| |
| /** 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; |
| glyph = xbp->glyph; |
| fg_color = xbp->fg_color; |
| bg_color = xbp->bg_color; |
| |
| 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); |
| if (bbp->glyph == glyph && |
| bbp->fg_color == xbp->fg_color && |
| bbp->bg_color == xbp->bg_color) { |
| x += FONT_WIDTH; |
| continue; |
| } |
| } else { |
| glyph = 0; |
| fg_color = vport->attr.fg_color; |
| bg_color = vport->attr.bg_color; |
| } |
| |
| (*vport->dglyph)(x, y, false, vport->glyphs, glyph, |
| fg_color, bg_color); |
| x += FONT_WIDTH; |
| } |
| y += FONT_SCANLINES; |
| } |
| |
| /* |
| * Scroll backbuffer. |
| */ |
| |
| if (lines > 0) { |
| memmove(vport->backbuf, vport->backbuf + vport->cols * lines, |
| vport->cols * (vport->rows - lines) * sizeof(bb_cell_t)); |
| backbuf_clear(&vport->backbuf[BB_POS(vport, 0, vport->rows - lines)], |
| vport->cols * lines, vport->attr.fg_color, vport->attr.bg_color); |
| } else { |
| memmove(vport->backbuf - vport->cols * lines, vport->backbuf, |
| vport->cols * (vport->rows + lines) * sizeof(bb_cell_t)); |
| backbuf_clear(vport->backbuf, - vport->cols * lines, |
| vport->attr.fg_color, vport->attr.bg_color); |
| } |
| } |
| |
| /** Invert character at given position */ |
| static void |
| invert_char(viewport_t *vport,unsigned int row, unsigned int col) |
| /** Render glyphs |
| * |
| * Convert glyphs from device independent font |
| * description to current visual representation. |
| * |
| * @param vport Viewport |
| * |
| */ |
| static void render_glyphs(viewport_t* vport) |
| { |
| 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); |
| unsigned int glyph; |
| |
| for (glyph = 0; glyph < FONT_GLYPHS; glyph++) { |
| unsigned int y; |
| |
| for (y = 0; y < FONT_SCANLINES; y++) { |
| unsigned int x; |
| |
| for (x = 0; x < FONT_WIDTH; x++) { |
| screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, false) + x * screen.pixelbytes], |
| (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x))) |
| ? 0xffffff : 0x000000); |
| |
| screen.rgb_conv(&vport->glyphs[GLYPH_POS(glyph, y, true) + x * screen.pixelbytes], |
| (fb_font[glyph * FONT_SCANLINES + y] & (1 << (7 - x))) |
| ? 0x000000 : 0xffffff); |
| } |
| } |
| } |
| |
| screen.rgb_conv(vport->bgpixel, vport->attr.bg_color); |
| } |
| |
| /***************************************************************/ |
| /* Stdout specific functions */ |
| |
| |
| /** Create new viewport |
| * |
| * @return New viewport number |
| * @param x Origin of the viewport (x). |
| * @param y Origin of the viewport (y). |
| * @param width Width of the viewport. |
| * @param height Height of the viewport. |
| * |
| * @return New viewport number. |
| * |
| */ |
| static int |
| viewport_create(unsigned int x, unsigned int y,unsigned int width, |
| unsigned int height) |
| static int vport_create(unsigned int x, unsigned int y, |
| unsigned int width, unsigned int height) |
| { |
| int i; |
| |
| unsigned int i; |
| |
| for (i = 0; i < MAX_VIEWPORTS; i++) { |
| if (!viewports[i].initialized) |
| break; |
| 489,75 → 498,124 |
|---|
| } |
| if (i == MAX_VIEWPORTS) |
| return ELIMIT; |
| |
| unsigned int cols = width / FONT_WIDTH; |
| unsigned int rows = height / FONT_SCANLINES; |
| unsigned int bbsize = cols * rows * sizeof(bb_cell_t); |
| unsigned int glyphsize = 2 * FONT_GLYPHS * screen.glyphbytes; |
| unsigned int word_size = sizeof(unsigned long); |
| |
| bb_cell_t *backbuf = (bb_cell_t *) malloc(bbsize); |
| if (!backbuf) |
| return ENOMEM; |
| |
| uint8_t *glyphs = (uint8_t *) malloc(glyphsize); |
| if (!glyphs) { |
| free(backbuf); |
| return ENOMEM; |
| } |
| |
| uint8_t *bgpixel = (uint8_t *) malloc(screen.pixelbytes); |
| if (!bgpixel) { |
| free(glyphs); |
| free(backbuf); |
| return ENOMEM; |
| } |
| |
| backbuf_clear(backbuf, cols * rows, DEFAULT_FGCOLOR, DEFAULT_BGCOLOR); |
| memset(glyphs, 0, glyphsize); |
| memset(bgpixel, 0, screen.pixelbytes); |
| |
| 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].cols = cols; |
| viewports[i].rows = rows; |
| |
| viewports[i].attr.bg_color = DEFAULT_BGCOLOR; |
| viewports[i].attr.fg_color = DEFAULT_FGCOLOR; |
| |
| viewports[i].glyphs = glyphs; |
| viewports[i].bgpixel = bgpixel; |
| |
| viewports[i].style.bg_color = DEFAULT_BGCOLOR; |
| viewports[i].style.fg_color = DEFAULT_FGCOLOR; |
| |
| /* |
| * Conditions necessary to select aligned version: |
| * |
| * - word size is divisible by pixelbytes |
| * - cell scanline size is divisible by word size |
| * - cell scanlines are word-aligned |
| */ |
| if ((word_size % screen.pixelbytes) == 0 && |
| (FONT_WIDTH * screen.pixelbytes) % word_size == 0 && |
| (x * screen.pixelbytes) % word_size == 0 && |
| screen.scanline % word_size == 0) { |
| |
| viewports[i].dglyph = draw_glyph_aligned; |
| } else { |
| viewports[i].dglyph = draw_glyph_fallback; |
| } |
| |
| viewports[i].cur_col = 0; |
| viewports[i].cur_row = 0; |
| viewports[i].cursor_active = 0; |
| |
| viewports[i].initialized = 1; |
| |
| viewports[i].cursor_active = false; |
| viewports[i].cursor_shown = false; |
| |
| viewports[i].bbsize = bbsize; |
| viewports[i].backbuf = backbuf; |
| |
| viewports[i].initialized = true; |
| |
| render_glyphs(&viewports[i]); |
| |
| 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. |
| * @param addr Address of the framebuffer |
| * @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 |
| * |
| */ |
| static bool |
| screen_init(void *addr, unsigned int xres, unsigned int yres, |
| unsigned int scan, unsigned int visual, bool invert_colors) |
| static bool screen_init(void *addr, unsigned int xres, unsigned int yres, |
| unsigned int scan, unsigned int visual) |
| { |
| switch (visual) { |
| case VISUAL_INDIRECT_8: |
| screen.rgb2scr = rgb_byte8; |
| screen.scr2rgb = byte8_rgb; |
| screen.rgb_conv = rgb_323; |
| screen.pixelbytes = 1; |
| break; |
| case VISUAL_RGB_5_5_5: |
| screen.rgb2scr = rgb_byte555; |
| screen.scr2rgb = byte555_rgb; |
| screen.rgb_conv = rgb_555; |
| screen.pixelbytes = 2; |
| break; |
| case VISUAL_RGB_5_6_5: |
| screen.rgb2scr = rgb_byte565; |
| screen.scr2rgb = byte565_rgb; |
| screen.rgb_conv = rgb_565; |
| screen.pixelbytes = 2; |
| break; |
| case VISUAL_RGB_8_8_8: |
| screen.rgb2scr = rgb_byte888; |
| screen.scr2rgb = byte888_rgb; |
| screen.rgb_conv = rgb_888; |
| screen.pixelbytes = 3; |
| break; |
| case VISUAL_BGR_8_8_8: |
| screen.rgb_conv = bgr_888; |
| screen.pixelbytes = 3; |
| break; |
| case VISUAL_RGB_8_8_8_0: |
| screen.rgb2scr = rgb_byte888; |
| screen.scr2rgb = byte888_rgb; |
| screen.rgb_conv = rgb_888; |
| screen.pixelbytes = 4; |
| break; |
| case VISUAL_RGB_0_8_8_8: |
| screen.rgb2scr = rgb_byte0888; |
| screen.scr2rgb = byte0888_rgb; |
| screen.rgb_conv = rgb_0888; |
| screen.pixelbytes = 4; |
| break; |
| case VISUAL_BGR_0_8_8_8: |
| screen.rgb2scr = bgr_byte0888; |
| screen.scr2rgb = byte0888_bgr; |
| screen.rgb_conv = bgr_0888; |
| screen.pixelbytes = 4; |
| break; |
| default: |
| 564,72 → 622,239 |
|---|
| return false; |
| } |
| |
| screen.fbaddress = (unsigned char *) addr; |
| screen.fb_addr = (unsigned char *) addr; |
| screen.xres = xres; |
| screen.yres = yres; |
| screen.scanline = scan; |
| screen.invert_colors = invert_colors; |
| |
| screen.glyphscanline = FONT_WIDTH * screen.pixelbytes; |
| screen.glyphbytes = screen.glyphscanline * FONT_SCANLINES; |
| |
| /* Create first viewport */ |
| viewport_create(0, 0, xres, yres); |
| vport_create(0, 0, xres, yres); |
| |
| return true; |
| } |
| |
| /** Hide cursor if it is shown */ |
| static void |
| cursor_hide(viewport_t *vport) |
| |
| /** Draw a glyph, takes advantage of alignment. |
| * |
| * This version can only be used if the following conditions are met: |
| * |
| * - word size is divisible by pixelbytes |
| * - cell scanline size is divisible by word size |
| * - cell scanlines are word-aligned |
| * |
| * It makes use of the pre-rendered mask to process (possibly) several |
| * pixels at once (word size / pixelbytes pixels at a time are processed) |
| * making it very fast. Most notably this version is not applicable at 24 bits |
| * per pixel. |
| * |
| * @param x x coordinate of top-left corner on screen. |
| * @param y y coordinate of top-left corner on screen. |
| * @param cursor Draw glyph with cursor |
| * @param glyphs Pointer to font bitmap. |
| * @param glyph Code of the glyph to draw. |
| * @param fg_color Foreground color. |
| * @param bg_color Backgroudn color. |
| */ |
| static void draw_glyph_aligned(unsigned int x, unsigned int y, bool cursor, |
| uint8_t *glyphs, uint8_t glyph, uint32_t fg_color, uint32_t bg_color) |
| { |
| if (vport->cursor_active && vport->cursor_shown) { |
| invert_char(vport, vport->cur_row, vport->cur_col); |
| vport->cursor_shown = 0; |
| unsigned int i, yd; |
| unsigned long fg_buf, bg_buf; |
| unsigned long *maskp, *dp; |
| unsigned long mask; |
| unsigned int ww, d_add; |
| |
| /* |
| * Prepare a pair of words, one filled with foreground-color |
| * pattern and the other filled with background-color pattern. |
| */ |
| for (i = 0; i < sizeof(unsigned long) / screen.pixelbytes; i++) { |
| screen.rgb_conv(&((uint8_t *)&fg_buf)[i * screen.pixelbytes], |
| fg_color); |
| screen.rgb_conv(&((uint8_t *)&bg_buf)[i * screen.pixelbytes], |
| bg_color); |
| } |
| |
| |
| /* Pointer to the current position in the mask. */ |
| maskp = (unsigned long *) &glyphs[GLYPH_POS(glyph, 0, cursor)]; |
| |
| /* Pointer to the current position on the screen. */ |
| dp = (unsigned long *) &screen.fb_addr[FB_POS(x, y)]; |
| |
| /* Width of the character cell in words. */ |
| ww = FONT_WIDTH * screen.pixelbytes / sizeof(unsigned long); |
| |
| /* Offset to add when moving to another screen scanline. */ |
| d_add = screen.scanline - FONT_WIDTH * screen.pixelbytes; |
| |
| for (yd = 0; yd < FONT_SCANLINES; yd++) { |
| /* |
| * Now process the cell scanline, combining foreground |
| * and background color patters using the pre-rendered mask. |
| */ |
| for (i = 0; i < ww; i++) { |
| mask = *maskp++; |
| *dp++ = (fg_buf & mask) | (bg_buf & ~mask); |
| } |
| |
| /* Move to the beginning of the next scanline of the cell. */ |
| dp = (unsigned long *) ((uint8_t *) dp + d_add); |
| } |
| } |
| |
| /** Show cursor if cursor showing is enabled */ |
| static void |
| cursor_print(viewport_t *vport) |
| /** Draw a glyph, fallback version. |
| * |
| * This version does not make use of the pre-rendered mask, it uses |
| * the font bitmap directly. It works always, but it is slower. |
| * |
| * @param x x coordinate of top-left corner on screen. |
| * @param y y coordinate of top-left corner on screen. |
| * @param cursor Draw glyph with cursor |
| * @param glyphs Pointer to font bitmap. |
| * @param glyph Code of the glyph to draw. |
| * @param fg_color Foreground color. |
| * @param bg_color Backgroudn color. |
| */ |
| void draw_glyph_fallback(unsigned int x, unsigned int y, bool cursor, |
| uint8_t *glyphs, uint8_t glyph, uint32_t fg_color, uint32_t bg_color) |
| { |
| unsigned int i, j, yd; |
| uint8_t fg_buf[4], bg_buf[4]; |
| uint8_t *dp, *sp; |
| unsigned int d_add; |
| uint8_t b; |
| |
| /* Pre-render 1x the foreground and background color pixels. */ |
| if (cursor) { |
| screen.rgb_conv(fg_buf, bg_color); |
| screen.rgb_conv(bg_buf, fg_color); |
| } else { |
| screen.rgb_conv(fg_buf, fg_color); |
| screen.rgb_conv(bg_buf, bg_color); |
| } |
| |
| /* Pointer to the current position on the screen. */ |
| dp = (uint8_t *) &screen.fb_addr[FB_POS(x, y)]; |
| |
| /* Offset to add when moving to another screen scanline. */ |
| d_add = screen.scanline - FONT_WIDTH * screen.pixelbytes; |
| |
| for (yd = 0; yd < FONT_SCANLINES; yd++) { |
| /* Byte containing bits of the glyph scanline. */ |
| b = fb_font[glyph * FONT_SCANLINES + yd]; |
| |
| for (i = 0; i < FONT_WIDTH; i++) { |
| /* Choose color based on the current bit. */ |
| sp = (b & 0x80) ? fg_buf : bg_buf; |
| |
| /* Copy the pixel. */ |
| for (j = 0; j < screen.pixelbytes; j++) { |
| *dp++ = *sp++; |
| } |
| |
| /* Move to the next bit. */ |
| b = b << 1; |
| } |
| |
| /* Move to the beginning of the next scanline of the cell. */ |
| dp += d_add; |
| } |
| } |
| |
| /** Draw glyph at specified position in viewport. |
| * |
| * @param vport Viewport identification |
| * @param cursor Draw glyph with cursor |
| * @param col Screen position relative to viewport |
| * @param row Screen position relative to viewport |
| * |
| */ |
| static void draw_vp_glyph(viewport_t *vport, bool cursor, unsigned int col, |
| unsigned int row) |
| { |
| unsigned int x = vport->x + COL2X(col); |
| unsigned int y = vport->y + ROW2Y(row); |
| |
| uint8_t glyph; |
| uint32_t fg_color; |
| uint32_t bg_color; |
| |
| glyph = vport->backbuf[BB_POS(vport, col, row)].glyph; |
| fg_color = vport->backbuf[BB_POS(vport, col, row)].fg_color; |
| bg_color = vport->backbuf[BB_POS(vport, col, row)].bg_color; |
| |
| (*vport->dglyph)(x, y, cursor, vport->glyphs, glyph, |
| fg_color, bg_color); |
| } |
| |
| /** Hide cursor if it is shown |
| * |
| */ |
| static void cursor_hide(viewport_t *vport) |
| { |
| if ((vport->cursor_active) && (vport->cursor_shown)) { |
| draw_vp_glyph(vport, false, vport->cur_col, vport->cur_row); |
| vport->cursor_shown = false; |
| } |
| } |
| |
| |
| /** Show cursor if cursor showing is enabled |
| * |
| */ |
| static void cursor_show(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; |
| draw_vp_glyph(vport, true, vport->cur_col, vport->cur_row); |
| vport->cursor_shown = true; |
| } |
| } |
| |
| /** Invert cursor, if it is enabled */ |
| static void |
| cursor_blink(viewport_t *vport) |
| |
| /** Invert cursor, if it is enabled |
| * |
| */ |
| static void cursor_blink(viewport_t *vport) |
| { |
| if (vport->cursor_shown) |
| cursor_hide(vport); |
| else |
| cursor_print(vport); |
| cursor_show(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 |
| |
| /** Draw character at given position relative to viewport |
| * |
| * @param vport Viewport identification |
| * @param c Character to draw |
| * @param col Screen position relative to viewport |
| * @param row Screen position relative to viewport |
| * |
| */ |
| static void |
| draw_char(viewport_t *vport, char c, unsigned int row, unsigned int col, |
| style_t style, int transparent) |
| static void draw_char(viewport_t *vport, uint8_t c, unsigned int col, unsigned int row) |
| { |
| /* 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); |
| bb_cell_t *bbp; |
| |
| /* 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))) |
| cursor_hide(vport); |
| |
| bbp = &vport->backbuf[BB_POS(vport, col, row)]; |
| bbp->glyph = c; |
| bbp->fg_color = vport->attr.fg_color; |
| bbp->bg_color = vport->attr.bg_color; |
| |
| draw_vp_glyph(vport, false, col, row); |
| |
| 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; |
| 637,65 → 862,91 |
|---|
| if (vport->cur_row >= vport->rows) |
| vport->cur_row--; |
| } |
| cursor_print(vport); |
| |
| cursor_show(vport); |
| } |
| |
| |
| /** Draw text data to viewport |
| * |
| * @param vport Viewport id |
| * @param data Text data fitting exactly into viewport |
| * @param data Text data fitting exactly into viewport |
| * |
| */ |
| static void |
| draw_text_data(viewport_t *vport, keyfield_t *data) |
| static void draw_text_data(viewport_t *vport, keyfield_t *data) |
| { |
| int i; |
| int col,row; |
| unsigned int i; |
| bb_cell_t *bbp; |
| attrs_t *a; |
| attr_rgb_t rgb; |
| |
| for (i = 0; i < vport->cols * vport->rows; i++) { |
| unsigned int col = i % vport->cols; |
| unsigned int row = i / vport->cols; |
| |
| bbp = &vport->backbuf[BB_POS(vport, col, row)]; |
| uint8_t glyph = bbp->glyph; |
| |
| 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)); |
| a = &data[i].attrs; |
| rgb_from_attr(&rgb, a); |
| |
| bbp->glyph = data[i].character; |
| bbp->fg_color = rgb.fg_color; |
| bbp->bg_color = rgb.bg_color; |
| |
| draw_vp_glyph(vport, false, col, row); |
| } |
| cursor_print(vport); |
| cursor_show(vport); |
| } |
| |
| /** Return first free pixmap */ |
| static int |
| find_free_pixmap(void) |
| |
| static void putpixel_pixmap(void *data, unsigned int x, unsigned int y, uint32_t color) |
| { |
| int i; |
| int pm = *((int *) data); |
| pixmap_t *pmap = &pixmaps[pm]; |
| unsigned int pos = (y * pmap->width + x) * screen.pixelbytes; |
| |
| for (i = 0;i < MAX_PIXMAPS;i++) |
| screen.rgb_conv(&pmap->data[pos], color); |
| } |
| |
| |
| static void putpixel(void *data, unsigned int x, unsigned int y, uint32_t color) |
| { |
| viewport_t *vport = (viewport_t *) data; |
| unsigned int dx = vport->x + x; |
| unsigned int dy = vport->y + y; |
| |
| screen.rgb_conv(&screen.fb_addr[FB_POS(dx, dy)], color); |
| } |
| |
| |
| /** Return first free pixmap |
| * |
| */ |
| static int find_free_pixmap(void) |
| { |
| unsigned 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) |
| /** 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)) |
| 704,19 → 955,19 |
|---|
| 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); |
| |
| |
| ppm_draw(shm, size, 0, 0, pmap->width, pmap->height, 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_DRAW_PPM(startx, starty) |
| * - FB_DROP_SHM |
| * |
| * Protocol for text drawing |
| 724,28 → 975,30 |
|---|
| * - 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 |
| * @param call Current call data |
| * @param vp Active viewport |
| * |
| * note: this function is not threads safe, you would have |
| * @return false if the call was not handled byt this function, true 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 bool 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; |
| |
| bool handled = true; |
| int retval = EOK; |
| viewport_t *vport = &viewports[vp]; |
| unsigned int x, y; |
| |
| unsigned int x; |
| unsigned int y; |
| |
| switch (IPC_GET_METHOD(*call)) { |
| case IPC_M_SHARE_OUT: |
| /* We accept one area for data interchange */ |
| 752,19 → 1005,20 |
|---|
| 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)) |
| if (!ipc_answer_1(callid, EOK, (sysarg_t) dest)) |
| shm = dest; |
| else |
| shm_id = 0; |
| |
| if (shm[0] != 'P') |
| while (1) |
| ; |
| return 1; |
| return false; |
| |
| return true; |
| } else { |
| intersize = IPC_GET_ARG2(*call); |
| receive_comm_area(callid, call, (void *) &interbuffer); |
| } |
| return 1; |
| return true; |
| case FB_PREPARE_SHM: |
| if (shm_id) |
| retval = EBUSY; |
| 779,7 → 1033,7 |
|---|
| } |
| shm_id = 0; |
| break; |
| |
| |
| case FB_SHM2PIXMAP: |
| if (!shm) { |
| retval = EINVAL; |
| 794,14 → 1048,14 |
|---|
| } |
| x = IPC_GET_ARG1(*call); |
| y = IPC_GET_ARG2(*call); |
| if (x > vport->width || y > vport->height) { |
| |
| 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); |
| IPC_GET_ARG2(*call), vport->width - x, vport->height - y, putpixel, (void *) vport); |
| break; |
| case FB_DRAW_TEXT_DATA: |
| if (!interbuffer) { |
| 808,8 → 1062,7 |
|---|
| retval = EINVAL; |
| break; |
| } |
| if (intersize < vport->cols * vport->rows * |
| sizeof(*interbuffer)) { |
| if (intersize < vport->cols * vport->rows * sizeof(*interbuffer)) { |
| retval = EINVAL; |
| break; |
| } |
| 816,7 → 1069,7 |
|---|
| draw_text_data(vport, interbuffer); |
| break; |
| default: |
| handled = 0; |
| handled = false; |
| } |
| |
| if (handled) |
| 824,41 → 1077,39 |
|---|
| return handled; |
| } |
| |
| static void |
| copy_vp_to_pixmap(viewport_t *vport, pixmap_t *pmap) |
| |
| 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; |
| |
| unsigned int width = vport->width; |
| unsigned 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; |
| unsigned int realwidth = pmap->width <= width ? pmap->width : width; |
| unsigned int realheight = pmap->height <= height ? pmap->height : height; |
| |
| unsigned int srcrowsize = vport->width * screen.pixelbytes; |
| unsigned int realrowsize = realwidth * screen.pixelbytes; |
| |
| unsigned int y; |
| 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); |
| unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes; |
| memcpy(pmap->data + srcrowsize * y, screen.fb_addr + tmp, realrowsize); |
| } |
| } |
| |
| /** Save viewport to pixmap */ |
| static int |
| save_vp_to_pixmap(viewport_t *vport) |
| |
| /** 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; |
| 867,58 → 1118,60 |
|---|
| 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; |
| |
| |
| unsigned int width = vport->width; |
| unsigned 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; |
| |
| |
| unsigned int realwidth = pmap->width <= width ? pmap->width : width; |
| unsigned int realheight = pmap->height <= height ? pmap->height : height; |
| |
| unsigned int srcrowsize = vport->width * screen.pixelbytes; |
| unsigned int realrowsize = realwidth * screen.pixelbytes; |
| |
| unsigned int y; |
| 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); |
| unsigned int tmp = (vport->y + y) * screen.scanline + vport->x * screen.pixelbytes; |
| memcpy(screen.fb_addr + tmp, pmap->data + y * srcrowsize, realrowsize); |
| } |
| return 0; |
| |
| return EOK; |
| } |
| |
| /** Tick animation one step forward */ |
| static void |
| anims_tick(void) |
| |
| /** Tick animation one step forward |
| * |
| */ |
| static void anims_tick(void) |
| { |
| int i; |
| unsigned int i; |
| static int counts = 0; |
| |
| /* Limit redrawing */ |
| 927,37 → 1180,36 |
|---|
| return; |
| |
| for (i = 0; i < MAX_ANIMATIONS; i++) { |
| if (!animations[i].animlen || !animations[i].initialized || |
| !animations[i].enabled) |
| 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; |
| |
| 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 unsigned int pointer_x; |
| static unsigned int pointer_y; |
| static bool pointer_shown, pointer_enabled; |
| static int pointer_vport = -1; |
| static int pointer_pixmap = -1; |
| |
| static void |
| mouse_show(void) |
| |
| static void mouse_show(void) |
| { |
| int i, j; |
| int visibility; |
| int color; |
| int bytepos; |
| |
| if (pointer_shown || !pointer_enabled) |
| |
| if ((pointer_shown) || (!pointer_enabled)) |
| return; |
| |
| /* Save image under the cursor */ |
| |
| /* Save image under the pointer. */ |
| if (pointer_vport == -1) { |
| pointer_vport = viewport_create(pointer_x, pointer_y, |
| pointer_width, pointer_height); |
| pointer_vport = vport_create(pointer_x, pointer_y, pointer_width, pointer_height); |
| if (pointer_vport < 0) |
| return; |
| } else { |
| 964,14 → 1216,13 |
|---|
| 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 */ |
| copy_vp_to_pixmap(&viewports[pointer_vport], &pixmaps[pointer_pixmap]); |
| |
| /* Draw mouse pointer. */ |
| for (i = 0; i < pointer_height; i++) |
| for (j = 0; j < pointer_width; j++) { |
| bytepos = i * ((pointer_width - 1) / 8 + 1) + j / 8; |
| 989,10 → 1240,10 |
|---|
| pointer_shown = 1; |
| } |
| |
| static void |
| mouse_hide(void) |
| |
| static void mouse_hide(void) |
| { |
| /* Restore image under the cursor */ |
| /* Restore image under the pointer. */ |
| if (pointer_shown) { |
| draw_pixmap(pointer_vport, pointer_pixmap); |
| pointer_shown = 0; |
| 999,8 → 1250,8 |
|---|
| } |
| } |
| |
| static void |
| mouse_move(unsigned int x, unsigned int y) |
| |
| static void mouse_move(unsigned int x, unsigned int y) |
| { |
| mouse_hide(); |
| pointer_x = x; |
| 1008,14 → 1259,14 |
|---|
| mouse_show(); |
| } |
| |
| static int |
| anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
| |
| static int anim_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
| { |
| int handled = 1; |
| int retval = 0; |
| int i,nvp; |
| bool handled = true; |
| int retval = EOK; |
| int i, nvp; |
| int newval; |
| |
| |
| switch (IPC_GET_METHOD(*call)) { |
| case FB_ANIM_CREATE: |
| nvp = IPC_GET_ARG1(*call); |
| 1105,14 → 1356,16 |
|---|
| return handled; |
| } |
| |
| /** Handler for messages concerning pixmap handling */ |
| static int |
| pixmap_handle(ipc_callid_t callid, ipc_call_t *call, int vp) |
| |
| /** 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; |
| |
| bool handled = true; |
| int retval = EOK; |
| int i, nvp; |
| |
| switch (IPC_GET_METHOD(*call)) { |
| case FB_VP_DRAW_PIXMAP: |
| nvp = IPC_GET_ARG1(*call); |
| 1150,7 → 1403,7 |
|---|
| default: |
| handled = 0; |
| } |
| |
| |
| if (handled) |
| ipc_answer_0(callid, retval); |
| return handled; |
| 1157,35 → 1410,99 |
|---|
| |
| } |
| |
| static int rgb_from_style(attr_rgb_t *rgb, int style) |
| { |
| switch (style) { |
| case STYLE_NORMAL: |
| rgb->fg_color = color_table[COLOR_BLACK]; |
| rgb->bg_color = color_table[COLOR_WHITE]; |
| break; |
| case STYLE_EMPHASIS: |
| rgb->fg_color = color_table[COLOR_RED]; |
| rgb->bg_color = color_table[COLOR_WHITE]; |
| break; |
| default: |
| return EINVAL; |
| } |
| |
| return EOK; |
| } |
| |
| static int rgb_from_idx(attr_rgb_t *rgb, ipcarg_t fg_color, |
| ipcarg_t bg_color, ipcarg_t flags) |
| { |
| fg_color = (fg_color & 7) | ((flags & CATTR_BRIGHT) ? 8 : 0); |
| bg_color = (bg_color & 7) | ((flags & CATTR_BRIGHT) ? 8 : 0); |
| |
| rgb->fg_color = color_table[fg_color]; |
| rgb->bg_color = color_table[bg_color]; |
| |
| return EOK; |
| } |
| |
| static int rgb_from_attr(attr_rgb_t *rgb, const attrs_t *a) |
| { |
| int rc; |
| |
| switch (a->t) { |
| case at_style: |
| rc = rgb_from_style(rgb, a->a.s.style); |
| break; |
| case at_idx: |
| rc = rgb_from_idx(rgb, a->a.i.fg_color, |
| a->a.i.bg_color, a->a.i.flags); |
| break; |
| case at_rgb: |
| *rgb = a->a.r; |
| rc = EOK; |
| break; |
| } |
| |
| return rc; |
| } |
| |
| static int fb_set_style(viewport_t *vport, ipcarg_t style) |
| { |
| return rgb_from_style(&vport->attr, (int) style); |
| } |
| |
| static int fb_set_color(viewport_t *vport, ipcarg_t fg_color, |
| ipcarg_t bg_color, ipcarg_t flags) |
| { |
| return rgb_from_idx(&vport->attr, fg_color, bg_color, flags); |
| } |
| |
| /** Function for handling connections to FB |
| * |
| */ |
| static void |
| fb_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
| 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]; |
| |
| unsigned int vp = 0; |
| viewport_t *vport = &viewports[vp]; |
| |
| 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) |
| |
| /* Accept connection */ |
| client_connected = true; |
| ipc_answer_0(iid, EOK); |
| |
| while (true) { |
| ipc_callid_t callid; |
| ipc_call_t call; |
| int retval; |
| unsigned int i; |
| int scroll; |
| uint8_t glyph; |
| unsigned int row, col; |
| |
| 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); |
| 1193,105 → 1510,89 |
|---|
| 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)) { |
| |
| switch (IPC_GET_METHOD(call)) { |
| case IPC_M_PHONE_HUNGUP: |
| client_connected = 0; |
| /* cleanup other viewports */ |
| client_connected = false; |
| |
| /* Cleanup other viewports */ |
| for (i = 1; i < MAX_VIEWPORTS; i++) |
| vport->initialized = 0; |
| return; /* Exit thread */ |
| |
| vport->initialized = false; |
| |
| /* Exit thread */ |
| return; |
| |
| case FB_PUTCHAR: |
| case FB_TRANS_PUTCHAR: |
| c = IPC_GET_ARG1(call); |
| glyph = IPC_GET_ARG1(call); |
| row = IPC_GET_ARG2(call); |
| col = IPC_GET_ARG3(call); |
| if (row >= vport->rows || col >= vport->cols) { |
| |
| if ((col >= vport->cols) || (row >= vport->rows)) { |
| 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 */ |
| |
| draw_char(vport, glyph, col, row); |
| |
| /* Message already answered */ |
| continue; |
| case FB_CLEAR: |
| clear_port(vport); |
| cursor_print(vport); |
| retval = 0; |
| vport_clear(vport); |
| cursor_show(vport); |
| retval = EOK; |
| break; |
| case FB_CURSOR_GOTO: |
| case FB_CURSOR_GOTO: |
| row = IPC_GET_ARG1(call); |
| col = IPC_GET_ARG2(call); |
| if (row >= vport->rows || col >= vport->cols) { |
| |
| if ((col >= vport->cols) || (row >= vport->rows)) { |
| retval = EINVAL; |
| break; |
| } |
| retval = 0; |
| retval = EOK; |
| |
| cursor_hide(vport); |
| vport->cur_col = col; |
| vport->cur_row = row; |
| cursor_print(vport); |
| break; |
| cursor_show(vport); |
| break; |
| case FB_CURSOR_VISIBILITY: |
| cursor_hide(vport); |
| vport->cursor_active = IPC_GET_ARG1(call); |
| cursor_print(vport); |
| retval = 0; |
| cursor_show(vport); |
| retval = EOK; |
| 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)) { |
| scroll = IPC_GET_ARG1(call); |
| if ((scroll > (int) vport->rows) || (scroll < (-(int) vport->rows))) { |
| retval = EINVAL; |
| break; |
| } |
| cursor_hide(vport); |
| scroll_port(vport, i*FONT_SCANLINES); |
| cursor_print(vport); |
| retval = 0; |
| vport_scroll(vport, scroll); |
| cursor_show(vport); |
| retval = EOK; |
| 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) { |
| if (i >= MAX_VIEWPORTS) { |
| retval = EINVAL; |
| break; |
| } |
| if (! viewports[i].initialized ) { |
| if (!viewports[i].initialized) { |
| retval = EADDRNOTAVAIL; |
| break; |
| } |
| 1298,11 → 1599,11 |
|---|
| cursor_hide(vport); |
| vp = i; |
| vport = &viewports[vp]; |
| cursor_print(vport); |
| retval = 0; |
| cursor_show(vport); |
| retval = EOK; |
| break; |
| case FB_VIEWPORT_CREATE: |
| retval = viewport_create(IPC_GET_ARG1(call) >> 16, |
| retval = vport_create(IPC_GET_ARG1(call) >> 16, |
| IPC_GET_ARG1(call) & 0xffff, |
| IPC_GET_ARG2(call) >> 16, |
| IPC_GET_ARG2(call) & 0xffff); |
| 1309,33 → 1610,42 |
|---|
| break; |
| case FB_VIEWPORT_DELETE: |
| i = IPC_GET_ARG1(call); |
| if (i < 0 || i >= MAX_VIEWPORTS) { |
| if (i >= MAX_VIEWPORTS) { |
| retval = EINVAL; |
| break; |
| } |
| if (! viewports[i].initialized ) { |
| 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; |
| viewports[i].initialized = false; |
| if (viewports[i].glyphs) |
| free(viewports[i].glyphs); |
| if (viewports[i].bgpixel) |
| free(viewports[i].bgpixel); |
| if (viewports[i].backbuf) |
| free(viewports[i].backbuf); |
| retval = EOK; |
| break; |
| case FB_SET_STYLE: |
| vport->style.fg_color = IPC_GET_ARG1(call); |
| vport->style.bg_color = IPC_GET_ARG2(call); |
| retval = 0; |
| retval = fb_set_style(vport, IPC_GET_ARG1(call)); |
| break; |
| case FB_SET_COLOR: |
| retval = fb_set_color(vport, IPC_GET_ARG1(call), |
| IPC_GET_ARG2(call), IPC_GET_ARG3(call)); |
| break; |
| case FB_SET_RGB_COLOR: |
| vport->attr.fg_color = IPC_GET_ARG1(call); |
| vport->attr.bg_color = IPC_GET_ARG2(call); |
| retval = EOK; |
| break; |
| case FB_GET_RESOLUTION: |
| ipc_answer_2(callid, EOK, screen.xres, screen.yres); |
| continue; |
| case FB_POINTER_MOVE: |
| pointer_enabled = 1; |
| pointer_enabled = true; |
| mouse_move(IPC_GET_ARG1(call), IPC_GET_ARG2(call)); |
| retval = 0; |
| retval = EOK; |
| break; |
| default: |
| retval = ENOENT; |
| 1344,41 → 1654,33 |
|---|
| } |
| } |
| |
| /** Initialization of framebuffer */ |
| int |
| fb_init(void) |
| /** 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)) |
| void *fb_ph_addr = (void *) sysinfo_value("fb.address.physical"); |
| unsigned int fb_offset = sysinfo_value("fb.offset"); |
| unsigned int fb_width = sysinfo_value("fb.width"); |
| unsigned int fb_height = sysinfo_value("fb.height"); |
| unsigned int fb_scanline = sysinfo_value("fb.scanline"); |
| unsigned int fb_visual = sysinfo_value("fb.visual"); |
| |
| unsigned int fbsize = fb_scanline * fb_height; |
| void *fb_addr = as_get_mappable_page(fbsize); |
| |
| if (physmem_map(fb_ph_addr + fb_offset, fb_addr, |
| ALIGN_UP(fbsize, PAGE_SIZE) >> PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE) != 0) |
| return -1; |
| |
| if (screen_init(fb_addr, fb_width, fb_height, fb_scanline, fb_visual)) |
| return 0; |
| |
| return -1; |
| } |
| |
| /** |
| /** |
| * @} |
| */ |