cso: add constant buffer save/restore feature for postprocessing

Postprocessing is an internal meta op and should restore the states
it changes.

1 files changed, 5 insertions, 3 deletions

diff --git a/src/mesa/state_tracker/st_atom_constbuf.c b/src/mesa/state_tracker/st_atom_constbuf.c
index 961fb28a967..56ba96fe362 100644
--- a/src/mesa/state_tracker/st_atom_constbuf.c
+++ b/src/mesa/state_tracker/st_atom_constbuf.c
@@ -39,6 +39,7 @@
 #include "pipe/p_defines.h"
 #include "util/u_inlines.h"
 #include "util/u_upload_mgr.h"
+#include "cso_cache/cso_context.h"
 
 #include "st_debug.h"
 #include "st_context.h"
@@ -96,16 +97,17 @@ void st_upload_constants( struct st_context *st,
          _mesa_print_parameter_list(params);
       }
 
-      st->pipe->set_constant_buffer(st->pipe, shader_type, 0, &cb);
+      cso_set_constant_buffer(st->cso_context, shader_type, 0, &cb);
       pipe_resource_reference(&cb.buffer, NULL);
 
       st->state.constants[shader_type].ptr = params->ParameterValues;
       st->state.constants[shader_type].size = paramBytes;
    }
    else if (st->state.constants[shader_type].ptr) {
+      /* Unbind. */
       st->state.constants[shader_type].ptr = NULL;
       st->state.constants[shader_type].size = 0;
-      st->pipe->set_constant_buffer(st->pipe, shader_type, 0, NULL);
+      cso_set_constant_buffer(st->cso_context, shader_type, 0, NULL);
    }
 }
 
@@ -196,7 +198,7 @@ static void st_bind_ubos(struct st_context *st,
 
       cb.buffer_size = st_obj->buffer->width0 - binding->Offset;
 
-      st->pipe->set_constant_buffer(st->pipe, shader_type, 1 + i, &cb);
+      cso_set_constant_buffer(st->cso_context, shader_type, 1 + i, &cb);
       pipe_resource_reference(&cb.buffer, NULL);
    }
 }