diff options
| -rw-r--r-- | src/gallium/drivers/svga/svga_state_vs.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/gallium/drivers/svga/svga_state_vs.c b/src/gallium/drivers/svga/svga_state_vs.c index 3cb0cdb9697..1d140bd03a1 100644 --- a/src/gallium/drivers/svga/svga_state_vs.c +++ b/src/gallium/drivers/svga/svga_state_vs.c @@ -222,7 +222,11 @@ struct svga_tracked_state svga_hw_vs = }; -/*********************************************************************** +/** + * This function handles the special case of vertex attributes + * with stride=0. Basically, copy those values into the constant + * buffer and modify the vertex shader to get the values from the + * constant buffer rather than a vertex array. */ static enum pipe_error update_zero_stride( struct svga_context *svga, @@ -269,7 +273,7 @@ update_zero_stride( struct svga_context *svga, mapped_buffer = pipe_buffer_map_range(&svga->pipe, vbuffer->buffer, - vel->src_offset, + vel->src_offset + vbuffer->buffer_offset, util_format_get_blocksize(vel->src_format), PIPE_TRANSFER_READ, &transfer); |