Archipelago » qemu

    has_fg = has_bg = 0;

    for (j = y; j < (y + h); j += 16) {

        for (i = x; i < (x + w); i += 16) {

                                  MIN(16, x + w - i), MIN(16, y + h - j),

                                  last_bg, last_fg, &has_bg, &has_fg);

        }

    if (!generic) {

        switch (vs->ds->surface->pf.bits_per_pixel) {

            case 8:

                break;

            case 16:

                break;

            case 32:

                break;

        }

    } else {

        switch (vs->ds->surface->pf.bits_per_pixel) {

            case 8:

                break;

            case 16:

                break;

            case 32:

                break;

        }

    }

static bool tight_can_send_png_rect(VncState *vs, int w, int h)

{

        return false;

    }

    int pixels = 0;

    int pix, left[3];

    uint errors;

    /*

     * If client is big-endian, color samples begin from the second

        int pixels = 0;                                                 \

        int sample, sum, left[3];                                       \

        uint errors;                                                    \

                                                                        \

        endian = ((vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) !=        \

                  (vs->ds->surface->flags & QEMU_BIG_ENDIAN_FLAG));     \

tight_detect_smooth_image(VncState *vs, int w, int h)

{

    uint errors;

    if (!vs->vd->lossy) {

        return 0;

        return 0;

    }

        if (w * h < VNC_TIGHT_JPEG_MIN_RECT_SIZE) {

            return 0;

        }

    }

    if (vs->clientds.pf.bytes_per_pixel == 4) {

            errors = tight_detect_smooth_image24(vs, w, h);

                return (errors < tight_conf[quality].jpeg_threshold24);

            }

            return (errors < tight_conf[compression].gradient_threshold24);

        uint##bpp##_t c0, c1, ci;                                       \

        int i, n0, n1;                                                  \

                                                                        \

                                                                        \

        c0 = data[0];                                                   \

        i = 1;                                                          \

{

    int max;

    if (max < 2 &&

        max = 2;

    }

    if (max >= 256) {

    int x, y, c;

    buf32 = (uint32_t *)buf;

    if ((vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) ==

        (vs->ds->surface->flags & QEMU_BIG_ENDIAN_FLAG)) {

            upper[c] = 0;

            here[c] = 0;

        }

        for (x = 0; x < w; x++) {

            pix32 = *buf32++;

            for (c = 0; c < 3; c++) {

        int prediction;                                                 \

        int x, y, c;                                                    \

                                                                        \

                                                                        \

        endian = ((vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) !=        \

                  (vs->ds->surface->flags & QEMU_BIG_ENDIAN_FLAG));     \

                upper[c] = 0;                                           \

                here[c] = 0;                                            \

            }                                                           \

            for (x = 0; x < w; x++) {                                   \

                pix = *buf;                                             \

                if (endian) {                                           \

static int tight_init_stream(VncState *vs, int stream_id,

                             int level, int strategy)

{

    if (zstream->opaque == NULL) {

        int err;

            return -1;

        }

        zstream->opaque = vs;

    }

        if (deflateParams(zstream, level, strategy) != Z_OK) {

            return -1;

        }

    }

    return 0;

}

static int tight_compress_data(VncState *vs, int stream_id, size_t bytes,

                               int level, int strategy)

{

    int previous_out;

    if (bytes < VNC_TIGHT_MIN_TO_COMPRESS) {

        return bytes;

    }

    }

    /* reserve memory in output buffer */

    /* set pointers */

    zstream->data_type = Z_BINARY;

    previous_out = zstream->total_out;

        return -1;

    }

    bytes = zstream->total_out - previous_out;

    tight_send_compact_size(vs, bytes);

    return bytes;

}

    vnc_write_u8(vs, stream << 4); /* no flushing, no filter */

        bytes = 3;

    } else {

        bytes = vs->clientds.pf.bytes_per_pixel;

    }

    bytes = tight_compress_data(vs, stream, w * h * bytes,

                                Z_DEFAULT_STRATEGY);

    return (bytes >= 0);

    vnc_write_u8(vs, VNC_TIGHT_FILL << 4); /* no flushing, no filter */

        bytes = 3;

    } else {

        bytes = vs->clientds.pf.bytes_per_pixel;

    }

    return 1;

}

{

    size_t bytes;

    int stream = 1;

#ifdef CONFIG_VNC_PNG

    if (tight_can_send_png_rect(vs, w, h)) {

        uint32_t buf[2] = {bg, fg};

        size_t ret = sizeof (buf);

            tight_pack24(vs, (unsigned char*)buf, 2, &ret);

        }

        vnc_write(vs, buf, ret);

        break;

    }

    case 2:

        vnc_write(vs, &bg, 2);

        vnc_write(vs, &fg, 2);

        break;

    default:

        vnc_write_u8(vs, bg);

        vnc_write_u8(vs, fg);

        break;

    }

    bytes = tight_compress_data(vs, stream, bytes, level, Z_DEFAULT_STRATEGY);

    return (bytes >= 0);

static bool send_gradient_rect(VncState *vs, int x, int y, int w, int h)

{

    int stream = 3;

    size_t bytes;

    if (vs->clientds.pf.bytes_per_pixel == 1)

    vnc_write_u8(vs, (stream | VNC_TIGHT_EXPLICIT_FILTER) << 4);

    vnc_write_u8(vs, VNC_TIGHT_FILTER_GRADIENT);

        bytes = 3;

    } else if (vs->clientds.pf.bytes_per_pixel == 4) {

        bytes = 4;

    } else {

        bytes = 2;

    }

    bytes = w * h * bytes;

    bytes = tight_compress_data(vs, stream, bytes,

                                level, Z_FILTERED);

                             int w, int h, VncPalette *palette)

{

    int stream = 2;

    int colors;

    size_t bytes;

        palette_iter(palette, write_palette, &priv);

        vnc_write(vs, header, sizeof(header));

            tight_pack24(vs, vs->output.buffer + old_offset, colors, &offset);

            vs->output.offset = old_offset + offset;

        }

        break;

    }

    case 2:

        palette_iter(palette, write_palette, &priv);

        vnc_write(vs, header, sizeof(header));

        break;

    }

    default:

        break;

    }

    bytes = w * h;

    bytes = tight_compress_data(vs, stream, bytes,

                                level, Z_DEFAULT_STRATEGY);

static void rgb_prepare_row(VncState *vs, uint8_t *dst, int x, int y,

                            int count)

{

        rgb_prepare_row24(vs, dst, x, y, count);

    else if (ds_get_bytes_per_pixel(vs->ds) == 4)

        rgb_prepare_row32(vs, dst, x, y, count);

static void jpeg_init_destination(j_compress_ptr cinfo)

{

    VncState *vs = cinfo->client_data;

    cinfo->dest->next_output_byte = (JOCTET *)buffer->buffer + buffer->offset;

    cinfo->dest->free_in_buffer = (size_t)(buffer->capacity - buffer->offset);

static boolean jpeg_empty_output_buffer(j_compress_ptr cinfo)

{

    VncState *vs = cinfo->client_data;

    buffer->offset = buffer->capacity;

    buffer_reserve(buffer, 2048);

static void jpeg_term_destination(j_compress_ptr cinfo)

{

    VncState *vs = cinfo->client_data;

    buffer->offset = buffer->capacity - cinfo->dest->free_in_buffer;

}

    if (ds_get_bytes_per_pixel(vs->ds) == 1)

        return send_full_color_rect(vs, x, y, w, h);

    cinfo.err = jpeg_std_error(&jerr);

    jpeg_create_compress(&cinfo);

    vnc_write_u8(vs, VNC_TIGHT_JPEG << 4);

    return 1;

}

    VncState *vs = priv->vs;

    png_colorp color = &priv->png_palette[idx];

    {

        color->red = (pix >> vs->clientds.pf.rshift) & vs->clientds.pf.rmax;

        color->green = (pix >> vs->clientds.pf.gshift) & vs->clientds.pf.gmax;

{

    VncState *vs = png_get_io_ptr(png_ptr);

}

static void png_flush_data(png_structp png_ptr)

    png_infop info_ptr;

    png_colorp png_palette = NULL;

    size_t offset;

    uint8_t *buf;

    int dy;

        png_set_PLTE(png_ptr, info_ptr, png_palette, palette_size(palette));

        if (vs->clientds.pf.bytes_per_pixel == 4) {

        } else {

        }

    }

    png_write_info(png_ptr, info_ptr);

    buf = qemu_malloc(w * 3);

    for (dy = 0; dy < h; dy++)

    {

        if (color_type == PNG_COLOR_TYPE_PALETTE) {

        } else {

            rgb_prepare_row(vs, buf, x, y + dy, w);

        }

    vnc_write_u8(vs, VNC_TIGHT_PNG << 4);

    return 1;

}

#endif /* CONFIG_VNC_PNG */

static void vnc_tight_start(VncState *vs)

{

    // make the output buffer be the zlib buffer, so we can compress it later

}

static void vnc_tight_stop(VncState *vs)

{

    // switch back to normal output/zlib buffers

}

static int send_sub_rect(VncState *vs, int x, int y, int w, int h)

    int colors;

    int ret = 0;

    vnc_tight_start(vs);

    vnc_raw_send_framebuffer_update(vs, x, y, w, h);

    if (colors == 0) {

        if (tight_detect_smooth_image(vs, w, h)) {

                ret = send_gradient_rect(vs, x, y, w, h);

            } else {

#ifdef CONFIG_VNC_JPEG

                ret = send_jpeg_rect(vs, x, y, w, h, quality);

#else

        ret = send_mono_rect(vs, x, y, w, h, bg, fg);

    } else if (colors <= 256) {

#ifdef CONFIG_VNC_JPEG

            tight_detect_smooth_image(vs, w, h)) {

            ret = send_jpeg_rect(vs, x, y, w, h, quality);

        } else {

static int send_sub_rect_solid(VncState *vs, int x, int y, int w, int h)

{

    vnc_tight_start(vs);

    vnc_raw_send_framebuffer_update(vs, x, y, w, h);

    int rw, rh;

    int n = 0;

    if (w > max_width || w * h > max_size) {

        max_sub_width = (w > max_width) ? max_width : w;

    if (vs->clientds.pf.bytes_per_pixel == 4 && vs->clientds.pf.rmax == 0xFF &&

        vs->clientds.pf.bmax == 0xFF && vs->clientds.pf.gmax == 0xFF) {

    } else {

    }

    if (w * h < VNC_TIGHT_MIN_SPLIT_RECT_SIZE)

    /* Calculate maximum number of rows in one non-solid rectangle. */

    return find_large_solid_color_rect(vs, x, y, w, h, max_rows);

}

int vnc_tight_send_framebuffer_update(VncState *vs, int x, int y,

                                      int w, int h)

{

    return tight_send_framebuffer_update(vs, x, y, w, h);

}

int vnc_tight_png_send_framebuffer_update(VncState *vs, int x, int y,

                                          int w, int h)

{

    return tight_send_framebuffer_update(vs, x, y, w, h);

}

void vnc_tight_clear(VncState *vs)

{

    int i;

        }

    }

#ifdef CONFIG_VNC_JPEG

#endif

}

static void vnc_zlib_start(VncState *vs)

{

    // make the output buffer be the zlib buffer, so we can compress it later

}

static int vnc_zlib_stop(VncState *vs)

{

    int previous_out;

    // switch back to normal output/zlib buffers

    // compress the zlib buffer

        zstream->zalloc = vnc_zlib_zalloc;

        zstream->zfree = vnc_zlib_zfree;

                           MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY);

        if (err != Z_OK) {

            return -1;

        }

        zstream->opaque = vs;

    }

                          Z_DEFAULT_STRATEGY) != Z_OK) {

            return -1;

        }

    }

    // reserve memory in output buffer

    // set pointers

    zstream->next_out = vs->output.buffer + vs->output.offset;

    zstream->avail_out = vs->output.capacity - vs->output.offset;

    zstream->data_type = Z_BINARY;

void vnc_zlib_clear(VncState *vs)

{

    }

}

    vs->features = 0;

    vs->vnc_encoding = 0;

    vs->absolute = -1;

    /*

            vs->features |= VNC_FEATURE_WMVI_MASK;

            break;

        case VNC_ENCODING_COMPRESSLEVEL0 ... VNC_ENCODING_COMPRESSLEVEL0 + 9:

            break;

        case VNC_ENCODING_QUALITYLEVEL0 ... VNC_ENCODING_QUALITYLEVEL0 + 9:

            break;

        default:

            VNC_DEBUG("Unknown encoding: %d (0x%.8x): %d\n", i, enc, enc);

#endif

};

struct VncState

{

    int csock;

    QEMUPutLEDEntry *led;

    /* Encoding specific */

    Notifier mouse_mode_notifier;