summary refs log tree commit diff
diff options
context:
space:
mode:
authorJune McEnroe <june@causal.agency>2018-02-01 00:14:58 -0500
committerJune McEnroe <june@causal.agency>2018-02-01 00:14:58 -0500
commit44429ac58c6941cf82a2f37e930d58d3bc70787e (patch)
treedafaa1314a079f20036f12c949bfaf3aeff266ac
parentAdd gfxx (diff)
downloadsrc-44429ac58c6941cf82a2f37e930d58d3bc70787e.tar.gz
src-44429ac58c6941cf82a2f37e930d58d3bc70787e.zip
Remove fb.c and color.c
-rw-r--r--bin/color.c16
-rw-r--r--bin/fb.c89
2 files changed, 0 insertions, 105 deletions
diff --git a/bin/color.c b/bin/color.c
deleted file mode 100644
index 75118226..00000000
--- a/bin/color.c
+++ /dev/null
@@ -1,16 +0,0 @@
-#include <stdint.h>
-
-static uint32_t color;
-
-void init() {
-}
-
-void draw(uint32_t *buf, uint32_t xres, uint32_t yres) {
-    for (uint32_t i = 0; i < xres * yres; ++i) {
-        buf[i] = color;
-    }
-}
-
-void input(char c) {
-    color = color << 4 | (c & 0xF);
-}
diff --git a/bin/fb.c b/bin/fb.c
deleted file mode 100644
index fdc14ef5..00000000
--- a/bin/fb.c
+++ /dev/null
@@ -1,89 +0,0 @@
-#include <assert.h>
-#include <err.h>
-#include <fcntl.h>
-#include <linux/fb.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sysexits.h>
-#include <termios.h>
-#include <unistd.h>
-
-extern void init(int argc, char *argv[]);
-extern void draw(uint32_t *buf, uint32_t xres, uint32_t yres);
-extern void input(char in);
-
-static size_t bufLen;
-static uint32_t *buf;
-static uint32_t *saveBuf;
-
-static struct termios saveTerm;
-
-static void restoreBuf(void) {
-    memcpy(buf, saveBuf, bufLen);
-}
-
-static void restoreTerm(void) {
-    tcsetattr(STDERR_FILENO, TCSADRAIN, &saveTerm);
-}
-
-int main(int argc, char *argv[]) {
-    int error;
-
-    char *path = getenv("FRAMEBUFFER");
-    if (!path) path = "/dev/fb0";
-
-    int fd = open(path, O_RDWR);
-    if (fd < 0) err(EX_OSFILE, "%s", path);
-
-    struct fb_fix_screeninfo fixInfo;
-    error = ioctl(fd, FBIOGET_FSCREENINFO, &fixInfo);
-    if (error) err(EX_IOERR, "%s", path);
-
-    struct fb_var_screeninfo varInfo;
-    error = ioctl(fd, FBIOGET_VSCREENINFO, &varInfo);
-    if (error) err(EX_IOERR, "%s", path);
-
-    assert(!varInfo.xoffset);
-    assert(!varInfo.yoffset);
-    assert(varInfo.bits_per_pixel == 32);
-    assert(!varInfo.grayscale);
-    assert(varInfo.red.offset == 16);
-    assert(varInfo.green.offset == 8);
-    assert(varInfo.blue.offset == 0);
-    assert(fixInfo.line_length == varInfo.xres * 4);
-
-    bufLen = varInfo.xres * varInfo.yres * 4;
-    buf = mmap(NULL, bufLen, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-    if (buf == MAP_FAILED) err(EX_IOERR, "%s", path);
-
-    saveBuf = malloc(bufLen);
-    if (!saveBuf) err(EX_OSERR, "malloc(%zu)", bufLen);
-    memcpy(saveBuf, buf, bufLen);
-    atexit(restoreBuf);
-
-    error = tcgetattr(STDERR_FILENO, &saveTerm);
-    if (error) err(EX_IOERR, "tcgetattr");
-    atexit(restoreTerm);
-
-    struct termios raw;
-    cfmakeraw(&raw);
-    error = tcsetattr(STDERR_FILENO, TCSADRAIN, &raw);
-    if (error) err(EX_IOERR, "tcsetattr");
-
-    init(argc, argv);
-
-    for(;;) {
-        draw(buf, varInfo.xres, varInfo.yres);
-
-        char in;
-        ssize_t len = read(STDIN_FILENO, &in, 1);
-        if (len < 0) err(EX_IOERR, "read");
-        if (!len) return EX_DATAERR;
-        if (in == CTRL('C')) return EX_USAGE;
-
-        input(in);
-    }
-}