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efl/legacy/evas/src/modules/engines/software_x11/evas_xlib_buffer.c

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#include "evas_common.h"
#include "evas_xlib_buffer.h"
static int _x_err = 0;
void
evas_software_xlib_x_write_mask_line(Outbuf *buf, X_Output_Buffer *xob, DATA32 *src, int w, int y)
{
int x;
DATA32 *src_ptr;
DATA8 *dst_ptr;
int bpl = 0;
src_ptr = src;
dst_ptr = evas_software_xlib_x_output_buffer_data(xob, &bpl);
dst_ptr = dst_ptr + (bpl * y);
w -= 7;
if (buf->priv.x11.xlib.bit_swap)
{
for (x = 0; x < w; x += 8)
{
*dst_ptr =
((A_VAL(&(src_ptr[0])) >> 7) << 7) |
((A_VAL(&(src_ptr[1])) >> 7) << 6) |
((A_VAL(&(src_ptr[2])) >> 7) << 5) |
((A_VAL(&(src_ptr[3])) >> 7) << 4) |
((A_VAL(&(src_ptr[4])) >> 7) << 3) |
((A_VAL(&(src_ptr[5])) >> 7) << 2) |
((A_VAL(&(src_ptr[6])) >> 7) << 1) |
((A_VAL(&(src_ptr[7])) >> 7) << 0);
src_ptr += 8;
dst_ptr++;
}
}
else
{
for (x = 0; x < w; x += 8)
{
*dst_ptr =
((A_VAL(&(src_ptr[0])) >> 7) << 0) |
((A_VAL(&(src_ptr[1])) >> 7) << 1) |
((A_VAL(&(src_ptr[2])) >> 7) << 2) |
((A_VAL(&(src_ptr[3])) >> 7) << 3) |
((A_VAL(&(src_ptr[4])) >> 7) << 4) |
((A_VAL(&(src_ptr[5])) >> 7) << 5) |
((A_VAL(&(src_ptr[6])) >> 7) << 6) |
((A_VAL(&(src_ptr[7])) >> 7) << 7);
src_ptr += 8;
dst_ptr++;
}
}
w += 7;
for (; x < w; x ++)
{
XPutPixel(xob->xim, x, y, A_VAL(src_ptr) >> 7);
src_ptr++;
}
}
void
evas_software_xlib_x_write_mask_line_rev(Outbuf *buf, X_Output_Buffer *xob, DATA32 *src, int w, int y)
{
int x;
DATA32 *src_ptr;
DATA8 *dst_ptr;
int bpl = 0;
src_ptr = src + w - 1;
dst_ptr = evas_software_xlib_x_output_buffer_data(xob, &bpl);
dst_ptr = dst_ptr + (bpl * y);
w -= 7;
if (buf->priv.x11.xlib.bit_swap)
{
for (x = 0; x < w; x += 8)
{
*dst_ptr =
((A_VAL(&(src_ptr[ 0])) >> 7) << 7) |
((A_VAL(&(src_ptr[-1])) >> 7) << 6) |
((A_VAL(&(src_ptr[-2])) >> 7) << 5) |
((A_VAL(&(src_ptr[-3])) >> 7) << 4) |
((A_VAL(&(src_ptr[-4])) >> 7) << 3) |
((A_VAL(&(src_ptr[-5])) >> 7) << 2) |
((A_VAL(&(src_ptr[-6])) >> 7) << 1) |
((A_VAL(&(src_ptr[-7])) >> 7) << 0);
src_ptr -= 8;
dst_ptr++;
}
}
else
{
for (x = 0; x < w; x += 8)
{
*dst_ptr =
((A_VAL(&(src_ptr[ 0])) >> 7) << 0) |
((A_VAL(&(src_ptr[-1])) >> 7) << 1) |
((A_VAL(&(src_ptr[-2])) >> 7) << 2) |
((A_VAL(&(src_ptr[-3])) >> 7) << 3) |
((A_VAL(&(src_ptr[-4])) >> 7) << 4) |
((A_VAL(&(src_ptr[-5])) >> 7) << 5) |
((A_VAL(&(src_ptr[-6])) >> 7) << 6) |
((A_VAL(&(src_ptr[-7])) >> 7) << 7);
src_ptr -= 8;
dst_ptr++;
}
}
w += 7;
for (; x < w; x ++)
{
XPutPixel(xob->xim, x, y, A_VAL(src_ptr) >> 7);
src_ptr--;
}
}
void
evas_software_xlib_x_write_mask_line_vert(Outbuf *buf, X_Output_Buffer *xob,
DATA32 *src,
int h, int ym, int w)
{
int y;
DATA32 *src_ptr;
DATA8 *dst_ptr;
int bpl = 0;
src_ptr = src;
dst_ptr = evas_software_xlib_x_output_buffer_data(xob, &bpl);
dst_ptr = dst_ptr + (bpl * ym);
h -= 7;
if (buf->priv.x11.xlib.bit_swap)
{
for (y = 0; y < h; y += 8)
{
*dst_ptr =
((A_VAL(&(src_ptr[0 * w])) >> 7) << 7) |
((A_VAL(&(src_ptr[1 * w])) >> 7) << 6) |
((A_VAL(&(src_ptr[2 * w])) >> 7) << 5) |
((A_VAL(&(src_ptr[3 * w])) >> 7) << 4) |
((A_VAL(&(src_ptr[4 * w])) >> 7) << 3) |
((A_VAL(&(src_ptr[5 * w])) >> 7) << 2) |
((A_VAL(&(src_ptr[6 * w])) >> 7) << 1) |
((A_VAL(&(src_ptr[7 * w])) >> 7) << 0);
src_ptr += 8 * w;
dst_ptr++;
}
}
else
{
for (y = 0; y < h; y += 8)
{
*dst_ptr =
((A_VAL(&(src_ptr[0 * w])) >> 7) << 0) |
((A_VAL(&(src_ptr[1 * w])) >> 7) << 1) |
((A_VAL(&(src_ptr[2 * w])) >> 7) << 2) |
((A_VAL(&(src_ptr[3 * w])) >> 7) << 3) |
((A_VAL(&(src_ptr[4 * w])) >> 7) << 4) |
((A_VAL(&(src_ptr[5 * w])) >> 7) << 5) |
((A_VAL(&(src_ptr[6 * w])) >> 7) << 6) |
((A_VAL(&(src_ptr[7 * w])) >> 7) << 7);
src_ptr += 8 * w;
dst_ptr++;
}
}
h += 7;
for (; y < h; y ++)
{
XPutPixel(xob->xim, y, ym, A_VAL(src_ptr) >> 7);
src_ptr += w;
}
}
void
evas_software_xlib_x_write_mask_line_vert_rev(Outbuf *buf, X_Output_Buffer *xob,
DATA32 *src,
int h, int ym, int w)
{
int y;
DATA32 *src_ptr;
DATA8 *dst_ptr;
int bpl = 0;
src_ptr = src + ((h - 1) * w);
dst_ptr = evas_software_xlib_x_output_buffer_data(xob, &bpl);
dst_ptr = dst_ptr + (bpl * ym);
h -= 7;
if (buf->priv.x11.xlib.bit_swap)
{
for (y = 0; y < h; y += 8)
{
*dst_ptr =
((A_VAL(&(src_ptr[ 0 * w])) >> 7) << 7) |
((A_VAL(&(src_ptr[-1 * w])) >> 7) << 6) |
((A_VAL(&(src_ptr[-2 * w])) >> 7) << 5) |
((A_VAL(&(src_ptr[-3 * w])) >> 7) << 4) |
((A_VAL(&(src_ptr[-4 * w])) >> 7) << 3) |
((A_VAL(&(src_ptr[-5 * w])) >> 7) << 2) |
((A_VAL(&(src_ptr[-6 * w])) >> 7) << 1) |
((A_VAL(&(src_ptr[-7 * w])) >> 7) << 0);
src_ptr -= 8 * w;
dst_ptr++;
}
}
else
{
for (y = 0; y < h; y += 8)
{
*dst_ptr =
((A_VAL(&(src_ptr[ 0 * w])) >> 7) << 0) |
((A_VAL(&(src_ptr[-1 * w])) >> 7) << 1) |
((A_VAL(&(src_ptr[-2 * w])) >> 7) << 2) |
((A_VAL(&(src_ptr[-3 * w])) >> 7) << 3) |
((A_VAL(&(src_ptr[-4 * w])) >> 7) << 4) |
((A_VAL(&(src_ptr[-5 * w])) >> 7) << 5) |
((A_VAL(&(src_ptr[-6 * w])) >> 7) << 6) |
((A_VAL(&(src_ptr[-7 * w])) >> 7) << 7);
src_ptr -= 8 * w;
dst_ptr++;
}
}
h += 7;
for (; y < h; y ++)
{
XPutPixel(xob->xim, y, ym, A_VAL(src_ptr) >> 7);
src_ptr -= w;
}
}
int
evas_software_xlib_x_can_do_shm(Display *d)
{
static Display *cached_d = NULL;
static int cached_result = 0;
if (d == cached_d) return cached_result;
cached_d = d;
if (XShmQueryExtension(d))
{
X_Output_Buffer *xob;
xob = evas_software_xlib_x_output_buffer_new
(d, DefaultVisual(d, DefaultScreen(d)),
DefaultDepth(d, DefaultScreen(d)), 16, 16, 2, NULL);
if (!xob)
{
cached_result = 0;
return 0;
}
evas_software_xlib_x_output_buffer_free(xob, 1);
cached_result = 1;
return 1;
}
cached_result = 0;
return 0;
}
static void
x_output_tmp_x_err(Display *d __UNUSED__, XErrorEvent *ev __UNUSED__)
{
_x_err = 1;
return;
}
//static int creates = 0;
X_Output_Buffer *
evas_software_xlib_x_output_buffer_new(Display *d, Visual *v, int depth, int w, int h, int try_shm, void *data)
{
X_Output_Buffer *xob;
xob = calloc(1, sizeof(X_Output_Buffer));
if (!xob) return NULL;
xob->display = d;
xob->visual = v;
xob->xim = NULL;
xob->shm_info = NULL;
xob->w = w;
xob->h = h;
if (try_shm > 0)
{
xob->shm_info = malloc(sizeof(XShmSegmentInfo));
if (xob->shm_info)
{
xob->xim = XShmCreateImage(d, v, depth, ZPixmap, NULL,
xob->shm_info, w, h);
if (xob->xim)
{
xob->shm_info->shmid = shmget(IPC_PRIVATE,
xob->xim->bytes_per_line *
xob->xim->height,
IPC_CREAT | 0777);
if (xob->shm_info->shmid >= 0)
{
xob->shm_info->readOnly = False;
xob->shm_info->shmaddr = xob->xim->data =
shmat(xob->shm_info->shmid, 0, 0);
if (xob->shm_info->shmaddr != NULL)
{
XErrorHandler ph;
if (try_shm == 2) // only needed during testing
{
XSync(d, False);
_x_err = 0;
ph = XSetErrorHandler((XErrorHandler)
x_output_tmp_x_err);
}
#if defined(EVAS_FRAME_QUEUING) && defined(LIBXEXT_VERSION_LOW)
/* workaround for libXext of lower then 1.1.1 */
if (evas_common_frameq_enabled())
XLockDisplay(d);
#endif
XShmAttach(d, xob->shm_info);
#if defined(EVAS_FRAME_QUEUING) && defined(LIBXEXT_VERSION_LOW)
/* workaround for libXext of lower then 1.1.1 */
if (evas_common_frameq_enabled())
XUnlockDisplay(d);
#endif
if (try_shm == 2) // only needed during testing
{
XSync(d, False);
XSetErrorHandler((XErrorHandler)ph);
}
if (!_x_err)
{
// printf("SHM++ ID=%i -> %i bytes [%i creates]\n",
// xob->shm_info->shmid,
// xob->xim->bytes_per_line * xob->xim->height,
// creates);
// creates++;
xob->bpl = xob->xim->bytes_per_line;
xob->psize = xob->bpl * xob->h;
return xob;
}
}
shmdt(xob->shm_info->shmaddr);
shmctl(xob->shm_info->shmid, IPC_RMID, 0);
}
if (xob->xim) XDestroyImage(xob->xim);
xob->xim = NULL;
}
if (xob->shm_info) free(xob->shm_info);
xob->shm_info = NULL;
}
}
if (try_shm > 1) return NULL;
xob->xim = XCreateImage(d, v, depth, ZPixmap, 0, data, w, h, 32, 0);
if (!xob->xim)
{
free(xob);
return NULL;
}
xob->data = data;
if (!xob->xim->data)
{
xob->xim->data = malloc(xob->xim->bytes_per_line * xob->xim->height);
if (!xob->xim->data)
{
XDestroyImage(xob->xim);
free(xob);
return NULL;
}
}
xob->bpl = xob->xim->bytes_per_line;
xob->psize = xob->bpl * xob->h;
return xob;
}
void
evas_software_xlib_x_output_buffer_free(X_Output_Buffer *xob, int sync)
{
if (xob->shm_info)
{
// printf("SHM-- ID=%i -> %i bytes, [sync=%i]\n",
// xob->shm_info->shmid,
// xob->xim->bytes_per_line * xob->xim->height,
// sync);
if (sync) XSync(xob->display, False);
XShmDetach(xob->display, xob->shm_info);
XDestroyImage(xob->xim);
shmdt(xob->shm_info->shmaddr);
shmctl(xob->shm_info->shmid, IPC_RMID, 0);
free(xob->shm_info);
}
else
{
if (xob->data) xob->xim->data = NULL;
XDestroyImage(xob->xim);
}
free(xob);
}
void
evas_software_xlib_x_output_buffer_paste(X_Output_Buffer *xob, Drawable d, GC gc, int x, int y, int sync)
{
if (xob->shm_info)
{
// printf("shm\n");
XShmPutImage(xob->display, d, gc, xob->xim, 0, 0, x, y,
xob->w, xob->h, False);
if (sync) XSync(xob->display, False);
}
else
{
// printf("NO! shm\n");
XPutImage(xob->display, d, gc, xob->xim, 0, 0, x, y,
xob->w, xob->h);
}
}
DATA8 *
evas_software_xlib_x_output_buffer_data(X_Output_Buffer *xob, int *bytes_per_line_ret)
{
if (bytes_per_line_ret) *bytes_per_line_ret = xob->xim->bytes_per_line;
return (DATA8 *)xob->xim->data;
}
int
evas_software_xlib_x_output_buffer_depth(X_Output_Buffer *xob)
{
return xob->xim->bits_per_pixel;
}
int
evas_software_xlib_x_output_buffer_byte_order(X_Output_Buffer *xob)
{
return xob->xim->byte_order;
}
int
evas_software_xlib_x_output_buffer_bit_order(X_Output_Buffer *xob)
{
return xob->xim->bitmap_bit_order;
}
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