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st/mesa: new comment about updating state vars

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This commit is contained in:
Brian Paul 2010-12-03 17:07:16 -07:00
parent 64244dfd39
commit 6c33e820d5
1 changed files with 5 additions and 0 deletions
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5
src/mesa/state_tracker/st_atom_constbuf.c
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@ -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