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authorBrian Paul <brianp@vmware.com>2010-12-03 17:07:16 -0700
committerBrian Paul <brianp@vmware.com>2010-12-03 17:07:16 -0700
commit6c33e820d5fe740ac4735d8bab864177dd1b2f14 (patch)
tree6e32ece6c440bd2e32376654bcf23a240852735f /src/mesa/state_tracker
parent64244dfd39b6e63a62a91ea2fb2743bd88a22476 (diff)
st/mesa: new comment about updating state vars
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r--src/mesa/state_tracker/st_atom_constbuf.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_atom_constbuf.c b/src/mesa/state_tracker/st_atom_constbuf.c
index 8d1dc792bc..f1d08a3e16 100644
--- a/src/mesa/state_tracker/st_atom_constbuf.c
+++ b/src/mesa/state_tracker/st_atom_constbuf.c
@@ -66,6 +66,11 @@ void st_upload_constants( struct st_context *st,
if (params && params->NumParameters) {
const uint paramBytes = params->NumParameters * sizeof(GLfloat) * 4;
+ /* Update the constants which come from fixed-function state, such as
+ * transformation matrices, fog factors, etc. The rest of the values in
+ * the parameters list are explicitly set by the user with glUniform,
+ * glProgramParameter(), etc.
+ */
_mesa_load_state_parameters(st->ctx, params);
/* We always need to get a new buffer, to keep the drivers simple and