diff options
| -rw-r--r-- | src/libply/ply-frame-buffer.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/libply/ply-frame-buffer.c b/src/libply/ply-frame-buffer.c index 2d3bbc1..d6b7e1a 100644 --- a/src/libply/ply-frame-buffer.c +++ b/src/libply/ply-frame-buffer.c @@ -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; } |