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Hook up xrgb32 flush function.

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This commit is contained in:
Kristian Høgsberg 2008-05-29 10:28:37 -04:00
parent 6e5fe71076
commit fa9c59f86c
1 changed files with 28 additions and 1 deletions
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29
src/libply/ply-frame-buffer.c
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@ -179,6 +179,27 @@ flush_generic (ply_frame_buffer_t *buffer)
free (row_buffer);
}
static void
flush_xrgb32 (ply_frame_buffer_t *buffer)
{
unsigned long x1, y1, x2, y2, y;
char *dst, *src;
x1 = buffer->area_to_flush.x;
y1 = buffer->area_to_flush.y;
x2 = x1 + buffer->area_to_flush.width;
y2 = y1 + buffer->area_to_flush.height;
dst = &buffer->map_address[(y1 * buffer->row_stride + x1) * 4];
src = (char *) &buffer->shadow_buffer[y1 * buffer->row_stride + x1];
for (y = y1; y < y2; y++)
{
memcpy (dst, src, buffer->area_to_flush.width * 4);
dst += buffer->row_stride * 4;
src += buffer->row_stride * 4;
}
}
static bool
ply_frame_buffer_query_device (ply_frame_buffer_t *buffer)
@ -220,7 +241,13 @@ ply_frame_buffer_query_device (ply_frame_buffer_t *buffer)
buffer->row_stride = fixed_screen_info.line_length / buffer->bytes_per_pixel;
buffer->size = buffer->area.height * buffer->row_stride * buffer->bytes_per_pixel;
buffer->flush = flush_generic;
if (buffer->bytes_per_pixel == 4 &&
buffer->red_bit_position == 16 &&
buffer->green_bit_position == 8 &&
buffer->blue_bit_position == 0)
buffer->flush = flush_xrgb32;
else
buffer->flush = flush_generic;
return true;
}