diff options
author | José Fonseca <jrfonseca@tungstengraphics.com> | 2007-11-05 18:04:35 +0000 |
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committer | José Fonseca <jrfonseca@tungstengraphics.com> | 2007-11-06 14:49:38 +0000 |
commit | fa1a66d7fc4fd7854de7958a48e4992edd154489 (patch) | |
tree | ce48a896ebbef8b09ee363774cdfdf86dfb52da6 /src/mesa/state_tracker/st_cb_bufferobjects.c | |
parent | 4f79dbd5aa6b8a955ac9dcc43cf0852acd89a320 (diff) |
Supply buffer usage hints to winsys.
Winsys driver needs some hints in order to allocate the appropriate kind of
memory for the buffer.
Diffstat (limited to 'src/mesa/state_tracker/st_cb_bufferobjects.c')
-rw-r--r-- | src/mesa/state_tracker/st_cb_bufferobjects.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_cb_bufferobjects.c b/src/mesa/state_tracker/st_cb_bufferobjects.c index a593bd74d1..99e1eb3c7a 100644 --- a/src/mesa/state_tracker/st_cb_bufferobjects.c +++ b/src/mesa/state_tracker/st_cb_bufferobjects.c @@ -104,11 +104,29 @@ st_bufferobj_data(GLcontext *ctx, { struct pipe_context *pipe = st_context(ctx)->pipe; struct st_buffer_object *st_obj = st_buffer_object(obj); + unsigned buffer_usage; st_obj->Base.Size = size; st_obj->Base.Usage = usage; + + switch(target) { + case GL_PIXEL_PACK_BUFFER_ARB: + case GL_PIXEL_UNPACK_BUFFER_ARB: + buffer_usage = PIPE_BUFFER_USAGE_PIXEL; + break; + case GL_ARRAY_BUFFER_ARB: + buffer_usage = PIPE_BUFFER_USAGE_VERTEX; + break; + case GL_ELEMENT_ARRAY_BUFFER_ARB: + buffer_usage = PIPE_BUFFER_USAGE_INDEX; + break; + default: + buffer_usage = 0; + } - pipe->winsys->buffer_data( pipe->winsys, st_obj->buffer, size, data ); + pipe->winsys->buffer_data( pipe->winsys, st_obj->buffer, + size, data, + buffer_usage ); } |