enlightenment/efl
enlightenment
/
efl
8
7
Fork 14
Code Issues 13 Pull Requests 3 Projects Releases Wiki Activity
efl/legacy/evas/src/modules/engines/software_x11/evas_xcb_buffer.c

469 lines
13 KiB
C
Raw Blame History

#include "evas_common.h"
#include "evas_xcb_buffer.h"
static int _xcb_err = 0;
void
evas_software_xcb_x_write_mask_line(Outbuf *buf,
Xcb_Output_Buffer *xcbob,
DATA32 *src,
int w,
int y)
{
int x;
DATA32 *src_ptr;
DATA8 *dst_ptr;
int bpl = 0;
src_ptr = src;
dst_ptr = evas_software_xcb_x_output_buffer_data(xcbob, &bpl);
dst_ptr = dst_ptr + (bpl * y);
w -= 7;
if (buf->priv.x11.xcb.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 ++)
{
xcb_image_put_pixel(xcbob->image, x, y, A_VAL(src_ptr) >> 7);
src_ptr++;
}
}
void
evas_software_xcb_x_write_mask_line_rev(Outbuf *buf,
Xcb_Output_Buffer *xcbob,
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_xcb_x_output_buffer_data(xcbob, &bpl);
dst_ptr = dst_ptr + (bpl * y);
w -= 7;
if (buf->priv.x11.xcb.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 ++)
{
xcb_image_put_pixel(xcbob->image, x, y, A_VAL(src_ptr) >> 7);
src_ptr--;
}
}
void
evas_software_xcb_x_write_mask_line_vert(Outbuf *buf,
Xcb_Output_Buffer *xcbob,
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_xcb_x_output_buffer_data(xcbob, &bpl);
dst_ptr = dst_ptr + (bpl * ym);
h -= 7;
if (buf->priv.x11.xcb.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 ++)
{
xcb_image_put_pixel(xcbob->image, y, ym, A_VAL(src_ptr) >> 7);
src_ptr += w;
}
}
void
evas_software_xcb_x_write_mask_line_vert_rev(Outbuf *buf,
Xcb_Output_Buffer *xcbob,
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_xcb_x_output_buffer_data(xcbob, &bpl);
dst_ptr = dst_ptr + (bpl * ym);
h -= 7;
if (buf->priv.x11.xcb.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 ++)
{
xcb_image_put_pixel(xcbob->image, y, ym, A_VAL(src_ptr) >> 7);
src_ptr -= w;
}
}
int
evas_software_xcb_x_can_do_shm(xcb_connection_t *c,
xcb_screen_t *screen)
{
static xcb_connection_t *cached_c = NULL;
static int cached_result = 0;
if (c == cached_c) return cached_result;
cached_c = c;
if (xcb_get_extension_data(c, &xcb_shm_id))
{
Xcb_Output_Buffer *xcbob;
xcbob = evas_software_xcb_x_output_buffer_new(c,
screen->root_depth,
16,
16,
2,
NULL);
if (!xcbob)
{
cached_result = 0;
return 0;
}
evas_software_xcb_x_output_buffer_free(xcbob, 1);
cached_result = 1;
return 1;
}
cached_result = 0;
return 0;
}
/*
* FIXME: no error mechanism
*/
/* static void */
/* x_output_tmp_xcb_err(xcb_connection_t *c, XErrorEvent * ev) */
/* { */
/* _xcb_err = 1; */
/* return; */
/* } */
Xcb_Output_Buffer *
evas_software_xcb_x_output_buffer_new(xcb_connection_t *c,
int depth,
int w,
int h,
int try_shm,
void *data)
{
Xcb_Output_Buffer *xcbob;
xcbob = calloc(1, sizeof(Xcb_Output_Buffer));
if (!xcbob) return NULL;
xcbob->connection = c;
xcbob->image = NULL;
xcbob->shm_info = NULL;
xcbob->w = w;
xcbob->h = h;
if (try_shm > 0)
{
xcbob->shm_info = malloc(sizeof(xcb_shm_segment_info_t));
if (xcbob->shm_info)
{
xcbob->shm_info->shmseg = xcb_generate_id(c);
xcbob->image = xcb_image_create_native(c, w, h,
XCB_IMAGE_FORMAT_Z_PIXMAP,
depth, NULL, ~0, NULL);
if (xcbob->image)
{
xcbob->shm_info->shmid = shmget(IPC_PRIVATE,
xcbob->image->size,
IPC_CREAT | 0777);
if (xcbob->shm_info->shmid >= 0)
{
xcbob->shm_info->shmaddr = xcbob->image->data =
shmat(xcbob->shm_info->shmid, 0, 0);
if (xcbob->shm_info->shmaddr != NULL)
{
/*
* FIXME: no error mechanism
*/
/* XErrorHandler ph; */
/* EventHandlers eh; */
if (try_shm == 2) // only needed during testing
{
free(xcb_get_input_focus_reply(c, xcb_get_input_focus_unchecked(c), NULL));
_xcb_err = 0;
/* ph = XSetErrorHandler((XErrorHandler) */
}
xcb_shm_attach(c,
xcbob->shm_info->shmseg,
xcbob->shm_info->shmid, 0);
if (try_shm == 2) // only needed during testing
{
free(xcb_get_input_focus_reply(c, xcb_get_input_focus_unchecked(c), NULL));
/* XSetErrorHandler((XErrorHandler)ph); */
}
if (!_xcb_err)
{
xcbob->bpl = xcbob->image->stride;
xcbob->psize = xcbob->bpl * xcbob->h;
return xcbob;
}
}
shmdt(xcbob->shm_info->shmaddr);
shmctl(xcbob->shm_info->shmid, IPC_RMID, 0);
}
if (xcbob->image) xcb_image_destroy(xcbob->image);
xcbob->image = NULL;
}
if (xcbob->shm_info) free(xcbob->shm_info);
xcbob->shm_info = NULL;
}
}
if (try_shm > 1) return NULL;
xcbob->image = xcb_image_create_native(c, w, h, XCB_IMAGE_FORMAT_Z_PIXMAP,
depth, NULL, ~0, NULL);
if (!xcbob->image)
{
free(xcbob);
return NULL;
}
xcbob->data = data;
if (!xcbob->image->data)
{
xcbob->image->data = malloc(xcbob->image->size);
if (!xcbob->image->data)
{
xcb_image_destroy(xcbob->image);
free(xcbob);
return NULL;
}
}
xcbob->bpl = xcbob->image->stride;
xcbob->psize = xcbob->image->size;
return xcbob;
}
void
evas_software_xcb_x_output_buffer_free(Xcb_Output_Buffer *xcbob,
int sync)
{
if (xcbob->shm_info)
{
if (sync)
free(xcb_get_input_focus_reply(xcbob->connection,
xcb_get_input_focus_unchecked(xcbob->connection),
NULL));
xcb_shm_detach(xcbob->connection, xcbob->shm_info->shmseg);
xcb_image_destroy(xcbob->image);
shmdt(xcbob->shm_info->shmaddr);
shmctl(xcbob->shm_info->shmid, IPC_RMID, 0);
free(xcbob->shm_info);
}
else
{
if (xcbob->data) xcbob->image->data = NULL;
free(xcbob->image->data);
xcb_image_destroy(xcbob->image);
}
free(xcbob);
}
void
evas_software_xcb_x_output_buffer_paste(Xcb_Output_Buffer *xcbob,
xcb_drawable_t d,
xcb_gcontext_t gc,
int x,
int y,
int sync)
{
if (xcbob->shm_info)
{
xcb_image_shm_put(xcbob->connection, d, gc,
xcbob->image, *xcbob->shm_info,
0, 0,
x, y,
xcbob->w, xcbob->h,
0);
if (sync)
free(xcb_get_input_focus_reply(xcbob->connection,
xcb_get_input_focus_unchecked(xcbob->connection),
NULL));
}
else
xcb_image_put(xcbob->connection, d, gc,
xcbob->image,
x, y, 0);
}
DATA8 *
evas_software_xcb_x_output_buffer_data(Xcb_Output_Buffer *xcbob,
int *bytes_per_line_ret)
{
if (bytes_per_line_ret) *bytes_per_line_ret = xcbob->image->stride;
return xcbob->image->data;
}
int
evas_software_xcb_x_output_buffer_depth(Xcb_Output_Buffer *xcbob)
{
return xcbob->image->bpp;
}
int
evas_software_xcb_x_output_buffer_byte_order(Xcb_Output_Buffer *xcbob)
{
return xcbob->image->byte_order;
}
int
evas_software_xcb_x_output_buffer_bit_order(Xcb_Output_Buffer *xcbob)
{
return xcbob->image->bit_order;
}
Reference in New Issue View Git Blame Copy Permalink