void gr_buffertest() {
GGLContext *gr_context = 0;
gglInit(&gr_context);
GGLContext *gl = gr_context;
gr_mem_surface2.data = NULL;
get_memory_surface(&gr_mem_surface2);
gl->colorBuffer(gl, &gr_mem_surface2);
unsigned int r = 0;
unsigned int g = 255;
unsigned int b = 0;
unsigned int a = 255;
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;
#ifdef COLORS_REVERSED
color[0] = ((b << 8) | b) + 1;
color[2] = ((r << 8) | r) + 1;
#endif
gl->color4xv(gl, color);
gl->disable(gl, GGL_TEXTURE_2D);
gl->recti(gl, 150, 150, 300, 300);
}
int gr_init(void)
{
gglInit(&gr_context);
GGLContext *gl = gr_context;
gr_mem_surface.data = NULL;
gr_init_font();
gr_vt_fd = open("/dev/tty0", O_RDWR | O_SYNC);
if (gr_vt_fd < 0) {
gr_vt_fd = open("/dev/tty", O_RDWR | O_SYNC);
}
if (gr_vt_fd < 0) {
// This is non-fatal; post-Cupcake kernels don't have tty0.
perror("can't open /dev/tty0");
} else {
ioctl(gr_vt_fd, KDGETMODE, &gr_vt_mode);
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");
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;
}
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_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;
if (!has_overlay)
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);
#ifdef TW_SCREEN_BLANK_ON_BOOT
printf("TW_SCREEN_BLANK_ON_BOOT := true\n");
gr_fb_blank(true);
gr_fb_blank(false);
#endif
if (!alloc_ion_mem(fi.line_length * vi.yres))
allocate_overlay(gr_fb_fd, gr_framebuffer);
return 0;
}
int main(int argc, char *argv[])
{
time_t start = time(NULL);
printf("Starting recovery on %s", ctime(&start));
gr_fb_fd = get_framebuffer(gr_framebuffer);
if (gr_fb_fd < 0) {
return -1;
}
get_memory_surface(&gr_mem_surface);
typedef unsigned short pixel;
pixel* dst = gr_framebuffer[gr_active_fb].data;
pixel* src = gr_mem_surface.data;
int i,j;
switch(ROTATE){
case ROTATE_90:
for(i = 0;i < vi.yres;i++) {
for(j = 0;j < vi.xres;j++) {
dst[i * vi.xres + vi.xres - 1 - j] = src[i + j * vi.yres];
}
}
break;
case ROTATE_270:
for(i = 0;i < vi.yres;i++) {
for(j = 0;j < vi.xres;j++) {
dst[(vi.yres -1 - i) * vi.xres + j] = src[i + j * vi.yres];
}
}
break;
default://0
memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data,
vi.xres * vi.yres * 2);
break;
}
set_active_framebuffer(0);
ioctl(gr_fb_fd, FBIOPAN_DISPLAY, &vi);
exit:
munmap(gr_framebuffer[0].data, vi.yres * vi.xres * 2);
munmap(gr_framebuffer[1].data, vi.yres * vi.xres * 2);
munmap(recovery_ebc_buffer_base, recovery_ebc_buffer_len);
close(gr_fb_fd);
close(recovery_ebc_fd);
return 0;
}
