From 093a70482f693c179e3646c512acf649ebcebc37 Mon Sep 17 00:00:00 2001 From: twinaphex Date: Mon, 14 Jul 2014 04:50:52 +0200 Subject: Get rid of PND_BUILD/RPI_BUILD/POLLUX_BUILD/GIZ_BUILD --- pandora/linux/fbdev.c | 255 -------------------------------------------------- 1 file changed, 255 deletions(-) delete mode 100644 pandora/linux/fbdev.c (limited to 'pandora/linux/fbdev.c') diff --git a/pandora/linux/fbdev.c b/pandora/linux/fbdev.c deleted file mode 100644 index 9d532a5..0000000 --- a/pandora/linux/fbdev.c +++ /dev/null @@ -1,255 +0,0 @@ -/* - * (C) GraÅžvydas "notaz" Ignotas, 2009-2010 - * - * This work is licensed under the terms of any of these licenses - * (at your option): - * - GNU GPL, version 2 or later. - * - GNU LGPL, version 2.1 or later. - * See the COPYING file in the top-level directory. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "fbdev.h" - -struct vout_fbdev { - int fd; - void *mem; - size_t mem_size; - struct fb_var_screeninfo fbvar_old; - struct fb_var_screeninfo fbvar_new; - int buffer_write; - int fb_size; - int buffer_count; - int top_border, bottom_border; -}; - -void *vout_fbdev_flip(struct vout_fbdev *fbdev) -{ - int draw_buf; - - if (fbdev->buffer_count < 2) - return fbdev->mem; - - draw_buf = fbdev->buffer_write; - fbdev->buffer_write++; - if (fbdev->buffer_write >= fbdev->buffer_count) - fbdev->buffer_write = 0; - - fbdev->fbvar_new.yoffset = - (fbdev->top_border + fbdev->fbvar_new.yres + fbdev->bottom_border) * draw_buf + - fbdev->top_border; - - ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new); - - return (char *)fbdev->mem + fbdev->fb_size * fbdev->buffer_write; -} - -void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev) -{ - int arg = 0; - ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &arg); -} - -/* it is recommended to call vout_fbdev_clear() before this */ -void *vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp, - int left_border, int right_border, int top_border, int bottom_border, int buffer_cnt) -{ - int w_total = left_border + w + right_border; - int h_total = top_border + h + bottom_border; - size_t mem_size; - int ret; - - // unblank to be sure the mode is really accepted - ioctl(fbdev->fd, FBIOBLANK, FB_BLANK_UNBLANK); - - if (fbdev->fbvar_new.bits_per_pixel != bpp || - fbdev->fbvar_new.xres != w || - fbdev->fbvar_new.yres != h || - fbdev->fbvar_new.xres_virtual != w_total|| - fbdev->fbvar_new.yres_virtual < h_total || - fbdev->fbvar_new.xoffset != left_border || - fbdev->buffer_count != buffer_cnt) - { - if (fbdev->fbvar_new.bits_per_pixel != bpp || - w != fbdev->fbvar_new.xres || h != fbdev->fbvar_new.yres) - printf(" switching to %dx%d@%d\n", w, h, bpp); - - fbdev->fbvar_new.xres = w; - fbdev->fbvar_new.yres = h; - fbdev->fbvar_new.xres_virtual = w_total; - fbdev->fbvar_new.yres_virtual = h_total * buffer_cnt; - fbdev->fbvar_new.xoffset = left_border; - fbdev->fbvar_new.yoffset = top_border; - fbdev->fbvar_new.bits_per_pixel = bpp; - fbdev->fbvar_new.nonstd = 0; // can set YUV here on omapfb - fbdev->buffer_count = buffer_cnt; - fbdev->buffer_write = 1; - - // seems to help a bit to avoid glitches - vout_fbdev_wait_vsync(fbdev); - - ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new); - if (ret == -1) { - // retry with no multibuffering - fbdev->fbvar_new.yres_virtual = h_total; - ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new); - if (ret == -1) { - perror("FBIOPUT_VSCREENINFO ioctl"); - return NULL; - } - fbdev->buffer_count = 1; - fbdev->buffer_write = 0; - fprintf(stderr, "Warning: failed to increase virtual resolution, " - "multibuffering disabled\n"); - } - - } - - fbdev->fb_size = w_total * h_total * bpp / 8; - fbdev->top_border = top_border; - fbdev->bottom_border = bottom_border; - - mem_size = fbdev->fb_size * fbdev->buffer_count; - if (fbdev->mem_size >= mem_size) - goto out; - - if (fbdev->mem != NULL) - munmap(fbdev->mem, fbdev->mem_size); - - fbdev->mem = mmap(0, mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0); - if (fbdev->mem == MAP_FAILED && fbdev->buffer_count > 1) { - fprintf(stderr, "Warning: can't map %zd bytes, doublebuffering disabled\n", mem_size); - fbdev->buffer_count = 1; - fbdev->buffer_write = 0; - mem_size = fbdev->fb_size; - fbdev->mem = mmap(0, mem_size, PROT_WRITE|PROT_READ, MAP_SHARED, fbdev->fd, 0); - } - if (fbdev->mem == MAP_FAILED) { - fbdev->mem = NULL; - fbdev->mem_size = 0; - perror("mmap framebuffer"); - return NULL; - } - - fbdev->mem_size = mem_size; - -out: - return (char *)fbdev->mem + fbdev->fb_size * fbdev->buffer_write; -} - -void vout_fbdev_clear(struct vout_fbdev *fbdev) -{ - memset(fbdev->mem, 0, fbdev->mem_size); -} - -void vout_fbdev_clear_lines(struct vout_fbdev *fbdev, int y, int count) -{ - int stride = fbdev->fbvar_new.xres_virtual * fbdev->fbvar_new.bits_per_pixel / 8; - int i; - - if (y + count > fbdev->top_border + fbdev->fbvar_new.yres) - count = fbdev->top_border + fbdev->fbvar_new.yres - y; - - if (y >= 0 && count > 0) - for (i = 0; i < fbdev->buffer_count; i++) - memset((char *)fbdev->mem + fbdev->fb_size * i + y * stride, 0, stride * count); -} - -int vout_fbdev_get_fd(struct vout_fbdev *fbdev) -{ - return fbdev->fd; -} - -struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int bpp, int buffer_cnt) -{ - struct vout_fbdev *fbdev; - int req_w, req_h; - void *pret; - int ret; - - fbdev = calloc(1, sizeof(*fbdev)); - if (fbdev == NULL) - return NULL; - - fbdev->fd = open(fbdev_name, O_RDWR); - if (fbdev->fd == -1) { - fprintf(stderr, "%s: ", fbdev_name); - perror("open"); - goto fail_open; - } - - ret = ioctl(fbdev->fd, FBIOGET_VSCREENINFO, &fbdev->fbvar_old); - if (ret == -1) { - perror("FBIOGET_VSCREENINFO ioctl"); - goto fail; - } - - fbdev->fbvar_new = fbdev->fbvar_old; - - req_w = fbdev->fbvar_new.xres; - if (*w != 0) - req_w = *w; - req_h = fbdev->fbvar_new.yres; - if (*h != 0) - req_h = *h; - - pret = vout_fbdev_resize(fbdev, req_w, req_h, bpp, 0, 0, 0, 0, buffer_cnt); - if (pret == NULL) - goto fail; - - printf("%s: %ix%i@%d\n", fbdev_name, fbdev->fbvar_new.xres, fbdev->fbvar_new.yres, - fbdev->fbvar_new.bits_per_pixel); - *w = fbdev->fbvar_new.xres; - *h = fbdev->fbvar_new.yres; - - memset(fbdev->mem, 0, fbdev->mem_size); - - // some checks - ret = 0; - ret = ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &ret); - if (ret != 0) - fprintf(stderr, "Warning: vsync doesn't seem to be supported\n"); - - if (fbdev->buffer_count > 1) { - fbdev->buffer_write = 0; - fbdev->fbvar_new.yoffset = fbdev->fbvar_new.yres * (fbdev->buffer_count - 1); - ret = ioctl(fbdev->fd, FBIOPAN_DISPLAY, &fbdev->fbvar_new); - if (ret != 0) { - fbdev->buffer_count = 1; - fprintf(stderr, "Warning: can't pan display, doublebuffering disabled\n"); - } - } - - printf("fbdev initialized.\n"); - return fbdev; - -fail: - close(fbdev->fd); -fail_open: - free(fbdev); - return NULL; -} - -void vout_fbdev_finish(struct vout_fbdev *fbdev) -{ - ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_old); - if (fbdev->mem != MAP_FAILED) - munmap(fbdev->mem, fbdev->mem_size); - if (fbdev->fd >= 0) - close(fbdev->fd); - fbdev->mem = NULL; - fbdev->fd = -1; - free(fbdev); -} - -- cgit v1.2.3