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buffer engine fixes 

SVN revision: 12833
This commit is contained in:
Carsten Haitzler 2005-01-08 18:23:41 +00:00
parent b14fe9b889
commit 3366b13b0c
2 changed files with 57 additions and 8 deletions
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4
legacy/evas/src/lib/engines/buffer/evas_engine.h
View File

@ -31,6 +31,10 @@ struct _Outbuf
void * (*new_update_region) (int x, int y, int w, int h, int *row_bytes);
void (*free_update_region) (int x, int y, int w, int h, void *data);
} func;
struct {
RGBA_Image *back_buf;
} priv;
};
/****/

61
legacy/evas/src/lib/engines/buffer/evas_outbuf.c
View File

@ -10,6 +10,10 @@ evas_buffer_outbuf_buf_init(void)
void
evas_buffer_outbuf_buf_free(Outbuf *buf)
{
if (buf->priv.back_buf)
{
evas_common_image_free(buf->priv.back_buf);
}
free(buf);
}
@ -37,6 +41,19 @@ evas_buffer_outbuf_buf_setup_fb(int w, int h, Outbuf_Depth depth, void *dest, in
buf->func.new_update_region = new_update_region;
buf->func.free_update_region = free_update_region;
if ((buf->depth == OUTBUF_DEPTH_RGB_32BPP_888_8888) &&
(buf->dest) && (buf->dest_row_bytes == (buf->w * sizeof(DATA32))))
{
buf->priv.back_buf = evas_common_image_new();
buf->priv.back_buf->image = evas_common_image_surface_new();
buf->priv.back_buf->image->w = w;
buf->priv.back_buf->image->h = h;
buf->priv.back_buf->image->data = buf->dest;
buf->priv.back_buf->image->no_free = 1;
buf->priv.back_buf->flags |= RGBA_IMAGE_HAS_ALPHA;
}
return buf;
}
@ -45,12 +62,34 @@ evas_buffer_outbuf_buf_new_region_for_update(Outbuf *buf, int x, int y, int w, i
{
RGBA_Image *im;
*cx = 0; *cy = 0; *cw = w; *ch = h;
im = evas_common_image_create(w, h);
if (im)
if (buf->priv.back_buf)
{
im->flags |= RGBA_IMAGE_HAS_ALPHA;
memset(im->image->data, 0, w * h * sizeof(DATA32));
int xx, yy;
*cx = x; *cy = y; *cw = w; *ch = h;
for (yy = 0; yy < h; yy++)
{
DATA32 *ptr;
ptr = buf->priv.back_buf->image->data +
(y * buf->priv.back_buf->image->w) + x;
for (xx = 0; xx < w; xx++)
{
A_VAL(ptr) = 0;
ptr++;
}
}
return buf->priv.back_buf;
}
else
{
*cx = 0; *cy = 0; *cw = w; *ch = h;
im = evas_common_image_create(w, h);
if (im)
{
im->flags |= RGBA_IMAGE_HAS_ALPHA;
memset(im->image->data, 0, w * h * sizeof(DATA32));
}
}
return im;
}
@ -58,7 +97,7 @@ evas_buffer_outbuf_buf_new_region_for_update(Outbuf *buf, int x, int y, int w, i
void
evas_buffer_outbuf_buf_free_region_for_update(Outbuf *buf, RGBA_Image *update)
{
evas_common_image_free(update);
if (update != buf->priv.back_buf) evas_common_image_free(update);
}
void
@ -198,8 +237,14 @@ evas_buffer_outbuf_buf_push_updated_region(Outbuf *buf, RGBA_Image *update, int
}
break;
case OUTBUF_DEPTH_RGB_32BPP_888_8888:
/* simple memcpy */
/* FIXME: write this */
if (!buf->priv.back_buf)
{
/* simple memcpy */
/* FIXME: write this */
}
else
{
}
break;
case OUTBUF_DEPTH_BGR_32BPP_888_8888:
/* simple memcpy */