diff options
Diffstat (limited to 'tests/framebuffer/fb_test.c')
| -rw-r--r-- | tests/framebuffer/fb_test.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/tests/framebuffer/fb_test.c b/tests/framebuffer/fb_test.c deleted file mode 100644 index 6fdbf3b3..00000000 --- a/tests/framebuffer/fb_test.c +++ /dev/null @@ -1,232 +0,0 @@ -/* - * 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 <stdlib.h> -#include <unistd.h> - -#include <fcntl.h> -#include <stdio.h> - -#include <sys/ioctl.h> -#include <sys/mman.h> -#include <sys/types.h> -#include <time.h> - -#include <linux/fb.h> -#include <linux/kd.h> - -#include <pixelflinger/pixelflinger.h> - -#include "minui.h" - -typedef struct { - GGLSurface texture; - unsigned cwidth; - unsigned cheight; - unsigned ascent; -} GRFont; - -static GGLContext *gr_context = 0; -static GGLSurface gr_framebuffer[2]; -static unsigned gr_active_fb = 0; - -static int gr_fb_fd = -1; -static int gr_vt_fd = -1; - -static struct fb_var_screeninfo vi; -struct fb_fix_screeninfo fi; -struct timespec tv, tv2; - -static void dumpinfo(struct fb_fix_screeninfo *fi, - struct fb_var_screeninfo *vi); - -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_FSCREENINFO, &fi) < 0) { - perror("failed to get fb0 info"); - return -1; - } - - if(ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) { - perror("failed to get fb0 info"); - return -1; - } - - dumpinfo(&fi, &vi); - - bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - if(bits == MAP_FAILED) { - perror("failed to mmap framebuffer"); - return -1; - } - - fb->version = sizeof(*fb); - fb->width = vi.xres; - fb->height = vi.yres; - fb->stride = fi.line_length / (vi.bits_per_pixel >> 3); - fb->data = bits; - fb->format = GGL_PIXEL_FORMAT_RGB_565; - - fb++; - - fb->version = sizeof(*fb); - fb->width = vi.xres; - fb->height = vi.yres; - fb->stride = fi.line_length / (vi.bits_per_pixel >> 3); - fb->data = (void*) (((unsigned) bits) + vi.yres * vi.xres * 2); - fb->format = GGL_PIXEL_FORMAT_RGB_565; - - return fd; -} - -static void set_active_framebuffer(unsigned n) -{ - if(n > 1) return; - vi.yres_virtual = vi.yres * 2; - vi.yoffset = n * vi.yres; - if(ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) { - fprintf(stderr,"active fb swap failed!\n"); - } -} - -static void dumpinfo(struct fb_fix_screeninfo *fi, struct fb_var_screeninfo *vi) -{ - fprintf(stderr,"vi.xres = %d\n", vi->xres); - fprintf(stderr,"vi.yres = %d\n", vi->yres); - fprintf(stderr,"vi.xresv = %d\n", vi->xres_virtual); - fprintf(stderr,"vi.yresv = %d\n", vi->yres_virtual); - fprintf(stderr,"vi.xoff = %d\n", vi->xoffset); - fprintf(stderr,"vi.yoff = %d\n", vi->yoffset); - fprintf(stderr, "vi.bits_per_pixel = %d\n", vi->bits_per_pixel); - - fprintf(stderr, "fi.line_length = %d\n", fi->line_length); - -} - -int gr_init(void) -{ - int fd; - - - fd = open("/dev/tty0", O_RDWR | O_SYNC); - if(fd < 0) return -1; - - if(ioctl(fd, KDSETMODE, (void*) KD_GRAPHICS)) { - close(fd); - return -1; - } - - gr_fb_fd = get_framebuffer(gr_framebuffer); - - if(gr_fb_fd < 0) { - ioctl(fd, KDSETMODE, (void*) KD_TEXT); - close(fd); - return -1; - } - - gr_vt_fd = fd; - - /* start with 0 as front (displayed) and 1 as back (drawing) */ - gr_active_fb = 0; - set_active_framebuffer(0); - - return 0; -} - -void gr_exit(void) -{ - close(gr_fb_fd); - gr_fb_fd = -1; - - 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; -} - -uint16_t red = 0xf800; -uint16_t green = 0x07e0; -uint16_t blue = 0x001f; - -void draw_grid(int w, int h, uint16_t* loc) { - int i, j; - int v; - int stride = fi.line_length / (vi.bits_per_pixel >> 3); - - for (j = 0; j < h/2; j++) { - for (i = 0; i < w/2; i++) - loc[i + j*(stride)] = red; - for (; i < w; i++) - loc[i + j*(stride)] = green; - } - for (; j < h; j++) { - for (i = 0; i < w/2; i++) - loc[i + j*(stride)] = blue; - for (; i < w; i++) - loc[i + j*(stride)] = 0xffff; - } - -} - -void clear_screen(int w, int h, uint16_t* loc) -{ - int i,j; - int stride = fi.line_length / (vi.bits_per_pixel >> 3); - - for (j = 0; j < h; j++) - for (i = 0; i < w; i++) - loc[i + j*(stride)] = 0x0000; -} - - -int main(int argc, char **argv) { - int w; - int h; - gr_init(); - w = vi.xres; - h = vi.yres; - clear_screen(w, h, (uint16_t *)gr_framebuffer[0].data); - - if (argc > 2) { - w = atoi(argv[1]); - h = atoi(argv[2]); - } - - draw_grid(w, h, (uint16_t *)gr_framebuffer[0].data); - printf("%lld\n", (tv2.tv_sec*1000000000LL + tv2.tv_nsec) - (tv.tv_sec*1000000000LL + tv.tv_nsec)); - set_active_framebuffer(1); - set_active_framebuffer(0); - - return 0; -} |