| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdbool.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| #include <fcntl.h> |
| #include <stdio.h> |
| |
| #include <sys/ioctl.h> |
| #include <sys/mman.h> |
| #include <sys/types.h> |
| |
| #include <linux/fb.h> |
| #include <linux/kd.h> |
| |
| #include <pixelflinger/pixelflinger.h> |
| |
| #include "minui.h" |
| |
| #ifdef BOARD_USE_CUSTOM_RECOVERY_FONT |
| #include BOARD_USE_CUSTOM_RECOVERY_FONT |
| #else |
| #include "font_10x18.h" |
| #endif |
| |
| #ifdef RECOVERY_BGRA |
| #define PIXEL_FORMAT GGL_PIXEL_FORMAT_BGRA_8888 |
| #define PIXEL_SIZE 4 |
| #endif |
| #ifdef RECOVERY_RGBX |
| #define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGBX_8888 |
| #define PIXEL_SIZE 4 |
| #endif |
| #ifndef PIXEL_FORMAT |
| #define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGB_565 |
| #define PIXEL_SIZE 2 |
| #endif |
| |
| #define NUM_BUFFERS 2 |
| |
| // #define PRINT_SCREENINFO 1 // Enables printing of screen info to log |
| |
| typedef struct { |
| GGLSurface texture; |
| unsigned offset[97]; |
| unsigned cheight; |
| unsigned ascent; |
| } GRFont; |
| |
| static GRFont *gr_font = 0; |
| static GGLContext *gr_context = 0; |
| static GGLSurface gr_font_texture; |
| static GGLSurface gr_framebuffer[NUM_BUFFERS]; |
| static GGLSurface gr_mem_surface; |
| static unsigned gr_active_fb = 0; |
| static unsigned double_buffering = 0; |
| static int gr_is_curr_clr_opaque = 0; |
| |
| static int gr_fb_fd = -1; |
| static int gr_vt_fd = -1; |
| |
| static struct fb_var_screeninfo vi; |
| static struct fb_fix_screeninfo fi; |
| |
| #ifdef PRINT_SCREENINFO |
| static void print_fb_var_screeninfo() |
| { |
| printf("vi.xres: %d\n", vi.xres); |
| printf("vi.yres: %d\n", vi.yres); |
| printf("vi.xres_virtual: %d\n", vi.xres_virtual); |
| printf("vi.yres_virtual: %d\n", vi.yres_virtual); |
| printf("vi.xoffset: %d\n", vi.xoffset); |
| printf("vi.yoffset: %d\n", vi.yoffset); |
| printf("vi.bits_per_pixel: %d\n", vi.bits_per_pixel); |
| printf("vi.grayscale: %d\n", vi.grayscale); |
| } |
| #endif |
| |
| static int get_framebuffer(GGLSurface *fb) |
| { |
| int fd; |
| void *bits; |
| |
| fd = open("/dev/graphics/fb0", O_RDWR); |
| if (fd < 0) { |
| perror("cannot open fb0"); |
| return -1; |
| } |
| |
| if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) { |
| perror("failed to get fb0 info"); |
| close(fd); |
| return -1; |
| } |
| |
| fprintf(stderr, "Pixel format: %dx%d @ %dbpp\n", vi.xres, vi.yres, vi.bits_per_pixel); |
| |
| vi.bits_per_pixel = PIXEL_SIZE * 8; |
| if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_BGRA_8888) { |
| fprintf(stderr, "Pixel format: BGRA_8888\n"); |
| if (PIXEL_SIZE != 4) fprintf(stderr, "E: Pixel Size mismatch!\n"); |
| vi.red.offset = 8; |
| vi.red.length = 8; |
| vi.green.offset = 16; |
| vi.green.length = 8; |
| vi.blue.offset = 24; |
| vi.blue.length = 8; |
| vi.transp.offset = 0; |
| vi.transp.length = 8; |
| } else if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGBX_8888) { |
| fprintf(stderr, "Pixel format: RGBX_8888\n"); |
| if (PIXEL_SIZE != 4) fprintf(stderr, "E: Pixel Size mismatch!\n"); |
| vi.red.offset = 24; |
| vi.red.length = 8; |
| vi.green.offset = 16; |
| vi.green.length = 8; |
| vi.blue.offset = 8; |
| vi.blue.length = 8; |
| vi.transp.offset = 0; |
| vi.transp.length = 8; |
| } else if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGB_565) { |
| #ifdef RECOVERY_RGB_565 |
| fprintf(stderr, "Pixel format: RGB_565\n"); |
| vi.blue.offset = 0; |
| vi.green.offset = 5; |
| vi.red.offset = 11; |
| #else |
| fprintf(stderr, "Pixel format: BGR_565\n"); |
| vi.blue.offset = 11; |
| vi.green.offset = 5; |
| vi.red.offset = 0; |
| #endif |
| if (PIXEL_SIZE != 2) fprintf(stderr, "E: Pixel Size mismatch!\n"); |
| vi.blue.length = 5; |
| vi.green.length = 6; |
| vi.red.length = 5; |
| vi.blue.msb_right = 0; |
| vi.green.msb_right = 0; |
| vi.red.msb_right = 0; |
| vi.transp.offset = 0; |
| vi.transp.length = 0; |
| } |
| else |
| { |
| perror("unknown pixel format"); |
| close(fd); |
| return -1; |
| } |
| |
| vi.vmode = FB_VMODE_NONINTERLACED; |
| vi.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_FORCE; |
| |
| if (ioctl(fd, FBIOPUT_VSCREENINFO, &vi) < 0) { |
| perror("failed to put fb0 info"); |
| close(fd); |
| return -1; |
| } |
| |
| if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) { |
| perror("failed to get fb0 info"); |
| close(fd); |
| return -1; |
| } |
| |
| bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); |
| if (bits == MAP_FAILED) { |
| perror("failed to mmap framebuffer"); |
| close(fd); |
| return -1; |
| } |
| |
| #ifdef RECOVERY_GRAPHICS_USE_LINELENGTH |
| vi.xres_virtual = fi.line_length / PIXEL_SIZE; |
| #endif |
| |
| fb->version = sizeof(*fb); |
| fb->width = vi.xres; |
| fb->height = vi.yres; |
| #ifdef BOARD_HAS_JANKY_BACKBUFFER |
| printf("setting JANKY BACKBUFFER\n"); |
| fb->stride = fi.line_length/2; |
| #else |
| fb->stride = vi.xres_virtual; |
| #endif |
| fb->data = bits; |
| fb->format = PIXEL_FORMAT; |
| memset(fb->data, 0, vi.yres * fb->stride * PIXEL_SIZE); |
| |
| fb++; |
| |
| /* check if we can use double buffering */ |
| if (vi.yres * fi.line_length * 2 > fi.smem_len) |
| return fd; |
| |
| double_buffering = 1; |
| |
| fb->version = sizeof(*fb); |
| fb->width = vi.xres; |
| fb->height = vi.yres; |
| #ifdef BOARD_HAS_JANKY_BACKBUFFER |
| fb->stride = fi.line_length/2; |
| fb->data = (void*) (((unsigned) bits) + vi.yres * fi.line_length); |
| #else |
| fb->stride = vi.xres_virtual; |
| fb->data = (void*) (((unsigned) bits) + vi.yres * fb->stride * PIXEL_SIZE); |
| #endif |
| fb->format = PIXEL_FORMAT; |
| memset(fb->data, 0, vi.yres * fb->stride * PIXEL_SIZE); |
| |
| #ifdef PRINT_SCREENINFO |
| print_fb_var_screeninfo(); |
| #endif |
| |
| return fd; |
| } |
| |
| static void get_memory_surface(GGLSurface* ms) { |
| ms->version = sizeof(*ms); |
| ms->width = vi.xres; |
| ms->height = vi.yres; |
| ms->stride = vi.xres_virtual; |
| ms->data = malloc(vi.xres_virtual * vi.yres * PIXEL_SIZE); |
| ms->format = PIXEL_FORMAT; |
| } |
| |
| static void set_active_framebuffer(unsigned n) |
| { |
| if (n > 1 || !double_buffering) return; |
| vi.yres_virtual = vi.yres * NUM_BUFFERS; |
| vi.yoffset = n * vi.yres; |
| // vi.bits_per_pixel = PIXEL_SIZE * 8; |
| if (ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) { |
| perror("active fb swap failed"); |
| } |
| } |
| |
| void gr_flip(void) |
| { |
| GGLContext *gl = gr_context; |
| |
| /* swap front and back buffers */ |
| if (double_buffering) |
| gr_active_fb = (gr_active_fb + 1) & 1; |
| |
| #ifdef BOARD_HAS_FLIPPED_SCREEN |
| /* flip buffer 180 degrees for devices with physicaly inverted screens */ |
| unsigned int i; |
| unsigned int j; |
| uint8_t tmp; |
| for (i = 0; i < ((vi.xres_virtual * vi.yres)/2); i++) { |
| for (j = 0; j < PIXEL_SIZE; j++) { |
| tmp = gr_mem_surface.data[i * PIXEL_SIZE + j]; |
| gr_mem_surface.data[i * PIXEL_SIZE + j] = gr_mem_surface.data[(vi.xres_virtual * vi.yres * PIXEL_SIZE) - ((i+1) * PIXEL_SIZE) + j]; |
| gr_mem_surface.data[(vi.xres_virtual * vi.yres * PIXEL_SIZE) - ((i+1) * PIXEL_SIZE) + j] = tmp; |
| } |
| } |
| #endif |
| |
| /* copy data from the in-memory surface to the buffer we're about |
| * to make active. */ |
| memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data, |
| vi.xres_virtual * vi.yres * PIXEL_SIZE); |
| |
| /* inform the display driver */ |
| set_active_framebuffer(gr_active_fb); |
| } |
| |
| void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a) |
| { |
| GGLContext *gl = gr_context; |
| GGLint color[4]; |
| color[0] = ((r << 8) | r) + 1; |
| color[1] = ((g << 8) | g) + 1; |
| color[2] = ((b << 8) | b) + 1; |
| color[3] = ((a << 8) | a) + 1; |
| gl->color4xv(gl, color); |
| |
| gr_is_curr_clr_opaque = (a == 255); |
| } |
| |
| int gr_measureEx(const char *s, void* font) |
| { |
| GRFont* fnt = (GRFont*) font; |
| int total = 0; |
| unsigned pos; |
| unsigned off; |
| |
| if (!fnt) fnt = gr_font; |
| |
| while ((off = *s++)) |
| { |
| off -= 32; |
| if (off < 96) |
| total += (fnt->offset[off+1] - fnt->offset[off]); |
| } |
| return total; |
| } |
| |
| unsigned character_width(const char *s, void* pFont) |
| { |
| GRFont *font = (GRFont*) pFont; |
| unsigned off; |
| |
| /* Handle default font */ |
| if (!font) font = gr_font; |
| |
| off = *s - 32; |
| if (off == 0) |
| return 0; |
| |
| return font->offset[off+1] - font->offset[off]; |
| } |
| |
| int gr_textEx(int x, int y, const char *s, void* pFont) |
| { |
| GGLContext *gl = gr_context; |
| GRFont *font = (GRFont*) pFont; |
| unsigned off; |
| unsigned cwidth; |
| |
| /* Handle default font */ |
| if (!font) font = gr_font; |
| |
| gl->bindTexture(gl, &font->texture); |
| gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE); |
| gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| gl->enable(gl, GGL_TEXTURE_2D); |
| |
| while((off = *s++)) { |
| off -= 32; |
| cwidth = 0; |
| if (off < 96) { |
| cwidth = font->offset[off+1] - font->offset[off]; |
| gl->texCoord2i(gl, (font->offset[off]) - x, 0 - y); |
| gl->recti(gl, x, y, x + cwidth, y + font->cheight); |
| x += cwidth; |
| } |
| } |
| |
| return x; |
| } |
| |
| int gr_textExW(int x, int y, const char *s, void* pFont, int max_width) |
| { |
| GGLContext *gl = gr_context; |
| GRFont *font = (GRFont*) pFont; |
| unsigned off; |
| unsigned cwidth; |
| |
| /* Handle default font */ |
| if (!font) font = gr_font; |
| |
| gl->bindTexture(gl, &font->texture); |
| gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE); |
| gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| gl->enable(gl, GGL_TEXTURE_2D); |
| |
| while((off = *s++)) { |
| off -= 32; |
| cwidth = 0; |
| if (off < 96) { |
| cwidth = font->offset[off+1] - font->offset[off]; |
| if ((x + (int)cwidth) < max_width) { |
| gl->texCoord2i(gl, (font->offset[off]) - x, 0 - y); |
| gl->recti(gl, x, y, x + cwidth, y + font->cheight); |
| x += cwidth; |
| } else { |
| gl->texCoord2i(gl, (font->offset[off]) - x, 0 - y); |
| gl->recti(gl, x, y, max_width, y + font->cheight); |
| x = max_width; |
| return x; |
| } |
| } |
| } |
| |
| return x; |
| } |
| |
| int gr_textExWH(int x, int y, const char *s, void* pFont, int max_width, int max_height) |
| { |
| GGLContext *gl = gr_context; |
| GRFont *font = (GRFont*) pFont; |
| unsigned off; |
| unsigned cwidth; |
| int rect_x, rect_y; |
| |
| /* Handle default font */ |
| if (!font) font = gr_font; |
| |
| gl->bindTexture(gl, &font->texture); |
| gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE); |
| gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| gl->enable(gl, GGL_TEXTURE_2D); |
| |
| while((off = *s++)) { |
| off -= 32; |
| cwidth = 0; |
| if (off < 96) { |
| cwidth = font->offset[off+1] - font->offset[off]; |
| if ((x + (int)cwidth) < max_width) |
| rect_x = x + cwidth; |
| else |
| rect_x = max_width; |
| if (y + font->cheight < (unsigned int)(max_height)) |
| rect_y = y + font->cheight; |
| else |
| rect_y = max_height; |
| |
| gl->texCoord2i(gl, (font->offset[off]) - x, 0 - y); |
| gl->recti(gl, x, y, rect_x, rect_y); |
| x += cwidth; |
| if (x > max_width) |
| return x; |
| } |
| } |
| |
| return x; |
| } |
| |
| int twgr_text(int x, int y, const char *s) |
| { |
| GGLContext *gl = gr_context; |
| GRFont *font = gr_font; |
| unsigned off; |
| unsigned cwidth = 0; |
| |
| y -= font->ascent; |
| |
| gl->bindTexture(gl, &font->texture); |
| gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE); |
| gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| gl->enable(gl, GGL_TEXTURE_2D); |
| |
| while((off = *s++)) { |
| off -= 32; |
| if (off < 96) { |
| cwidth = font->offset[off+1] - font->offset[off]; |
| gl->texCoord2i(gl, (off * cwidth) - x, 0 - y); |
| gl->recti(gl, x, y, x + cwidth, y + font->cheight); |
| } |
| x += cwidth; |
| } |
| |
| return x; |
| } |
| |
| void gr_fill(int x, int y, int w, int h) |
| { |
| GGLContext *gl = gr_context; |
| |
| if(gr_is_curr_clr_opaque) |
| gl->disable(gl, GGL_BLEND); |
| |
| gl->disable(gl, GGL_TEXTURE_2D); |
| gl->recti(gl, x, y, x + w, y + h); |
| |
| if(gr_is_curr_clr_opaque) |
| gl->enable(gl, GGL_BLEND); |
| } |
| |
| void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy) { |
| if (gr_context == NULL) { |
| return; |
| } |
| |
| GGLContext *gl = gr_context; |
| gl->bindTexture(gl, (GGLSurface*) source); |
| gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE); |
| gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); |
| gl->enable(gl, GGL_TEXTURE_2D); |
| gl->texCoord2i(gl, sx - dx, sy - dy); |
| gl->recti(gl, dx, dy, dx + w, dy + h); |
| } |
| |
| unsigned int gr_get_width(gr_surface surface) { |
| if (surface == NULL) { |
| return 0; |
| } |
| return ((GGLSurface*) surface)->width; |
| } |
| |
| unsigned int gr_get_height(gr_surface surface) { |
| if (surface == NULL) { |
| return 0; |
| } |
| return ((GGLSurface*) surface)->height; |
| } |
| |
| void* gr_loadFont(const char* fontName) |
| { |
| int fd; |
| GRFont *font = 0; |
| GGLSurface *ftex; |
| unsigned char *bits, *rle; |
| unsigned char *in, data; |
| unsigned width, height; |
| unsigned element; |
| |
| fd = open(fontName, O_RDONLY); |
| if (fd == -1) |
| { |
| char tmp[128]; |
| |
| sprintf(tmp, "/res/fonts/%s.dat", fontName); |
| fd = open(tmp, O_RDONLY); |
| if (fd == -1) |
| return NULL; |
| } |
| |
| font = calloc(sizeof(*font), 1); |
| ftex = &font->texture; |
| |
| read(fd, &width, sizeof(unsigned)); |
| read(fd, &height, sizeof(unsigned)); |
| read(fd, font->offset, sizeof(unsigned) * 96); |
| font->offset[96] = width; |
| |
| bits = malloc(width * height); |
| memset(bits, 0, width * height); |
| |
| unsigned pos = 0; |
| while (pos < width * height) |
| { |
| int bit; |
| |
| read(fd, &data, 1); |
| for (bit = 0; bit < 8; bit++) |
| { |
| if (data & (1 << (7-bit))) bits[pos++] = 255; |
| else bits[pos++] = 0; |
| |
| if (pos == width * height) break; |
| } |
| } |
| close(fd); |
| |
| ftex->version = sizeof(*ftex); |
| ftex->width = width; |
| ftex->height = height; |
| ftex->stride = width; |
| ftex->data = (void*) bits; |
| ftex->format = GGL_PIXEL_FORMAT_A_8; |
| font->cheight = height; |
| font->ascent = height - 2; |
| return (void*) font; |
| } |
| |
| int gr_getFontDetails(void* font, unsigned* cheight, unsigned* maxwidth) |
| { |
| GRFont *fnt = (GRFont*) font; |
| |
| if (!fnt) fnt = gr_font; |
| if (!fnt) return -1; |
| |
| if (cheight) *cheight = fnt->cheight; |
| if (maxwidth) |
| { |
| int pos; |
| *maxwidth = 0; |
| for (pos = 0; pos < 96; pos++) |
| { |
| unsigned int width = fnt->offset[pos+1] - fnt->offset[pos]; |
| if (width > *maxwidth) |
| { |
| *maxwidth = width; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| static void gr_init_font(void) |
| { |
| int fontRes; |
| GGLSurface *ftex; |
| unsigned char *bits, *rle; |
| unsigned char *in, data; |
| unsigned width, height; |
| unsigned element; |
| |
| gr_font = calloc(sizeof(*gr_font), 1); |
| ftex = &gr_font->texture; |
| |
| width = font.width; |
| height = font.height; |
| |
| bits = malloc(width * height); |
| rle = bits; |
| |
| in = font.rundata; |
| while((data = *in++)) |
| { |
| memset(rle, (data & 0x80) ? 255 : 0, data & 0x7f); |
| rle += (data & 0x7f); |
| } |
| for (element = 0; element < 97; element++) |
| { |
| gr_font->offset[element] = (element * font.cwidth); |
| } |
| |
| ftex->version = sizeof(*ftex); |
| ftex->width = width; |
| ftex->height = height; |
| ftex->stride = width; |
| ftex->data = (void*) bits; |
| ftex->format = GGL_PIXEL_FORMAT_A_8; |
| gr_font->cheight = height; |
| gr_font->ascent = height - 2; |
| return; |
| } |
| |
| int gr_init(void) |
| { |
| gglInit(&gr_context); |
| GGLContext *gl = gr_context; |
| |
| gr_init_font(); |
| gr_vt_fd = open("/dev/tty0", O_RDWR | O_SYNC); |
| if (gr_vt_fd < 0) { |
| // This is non-fatal; post-Cupcake kernels don't have tty0. |
| } else if (ioctl(gr_vt_fd, KDSETMODE, (void*) KD_GRAPHICS)) { |
| // However, if we do open tty0, we expect the ioctl to work. |
| perror("failed KDSETMODE to KD_GRAPHICS on tty0"); |
| gr_exit(); |
| return -1; |
| } |
| |
| gr_fb_fd = get_framebuffer(gr_framebuffer); |
| if (gr_fb_fd < 0) { |
| perror("Unable to get framebuffer.\n"); |
| gr_exit(); |
| return -1; |
| } |
| |
| get_memory_surface(&gr_mem_surface); |
| |
| fprintf(stderr, "framebuffer: fd %d (%d x %d)\n", |
| gr_fb_fd, gr_framebuffer[0].width, gr_framebuffer[0].height); |
| |
| /* start with 0 as front (displayed) and 1 as back (drawing) */ |
| gr_active_fb = 0; |
| set_active_framebuffer(0); |
| gl->colorBuffer(gl, &gr_mem_surface); |
| |
| gl->activeTexture(gl, 0); |
| gl->enable(gl, GGL_BLEND); |
| gl->blendFunc(gl, GGL_SRC_ALPHA, GGL_ONE_MINUS_SRC_ALPHA); |
| |
| // gr_fb_blank(true); |
| // gr_fb_blank(false); |
| |
| return 0; |
| } |
| |
| void gr_exit(void) |
| { |
| close(gr_fb_fd); |
| gr_fb_fd = -1; |
| |
| free(gr_mem_surface.data); |
| |
| ioctl(gr_vt_fd, KDSETMODE, (void*) KD_TEXT); |
| close(gr_vt_fd); |
| gr_vt_fd = -1; |
| } |
| |
| int gr_fb_width(void) |
| { |
| return gr_framebuffer[0].width; |
| } |
| |
| int gr_fb_height(void) |
| { |
| return gr_framebuffer[0].height; |
| } |
| |
| gr_pixel *gr_fb_data(void) |
| { |
| return (unsigned short *) gr_mem_surface.data; |
| } |
| |
| int gr_fb_blank(int blank) |
| { |
| int ret; |
| |
| ret = ioctl(gr_fb_fd, FBIOBLANK, blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK); |
| if (ret < 0) |
| perror("ioctl(): blank"); |
| return ret; |
| } |
| |
| int gr_get_surface(gr_surface* surface) |
| { |
| GGLSurface* ms = malloc(sizeof(GGLSurface)); |
| if (!ms) return -1; |
| |
| // Allocate the data |
| get_memory_surface(ms); |
| |
| // Now, copy the data |
| memcpy(ms->data, gr_mem_surface.data, vi.xres * vi.yres * vi.bits_per_pixel / 8); |
| |
| *surface = (gr_surface*) ms; |
| return 0; |
| } |
| |
| int gr_free_surface(gr_surface surface) |
| { |
| if (!surface) |
| return -1; |
| |
| GGLSurface* ms = (GGLSurface*) surface; |
| free(ms->data); |
| free(ms); |
| return 0; |
| } |
| |
| void gr_write_frame_to_file(int fd) |
| { |
| write(fd, gr_mem_surface.data, vi.xres * vi.yres * vi.bits_per_pixel / 8); |
| } |