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Diffstat (limited to 'src/mesa/state_tracker/st_atom_alphatest.c')
-rw-r--r--src/mesa/state_tracker/st_atom_alphatest.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/src/mesa/state_tracker/st_atom_alphatest.c b/src/mesa/state_tracker/st_atom_alphatest.c
deleted file mode 100644
index 873520ab02..0000000000
--- a/src/mesa/state_tracker/st_atom_alphatest.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Brian Paul
- */
-
-
-#include "st_context.h"
-#include "st_cache.h"
-#include "st_atom.h"
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-
-
-/**
- * Convert GLenum stencil func tokens to pipe tokens.
- */
-static GLuint
-gl_alpha_func_to_sp(GLenum func)
-{
- /* Same values, just biased */
- assert(PIPE_FUNC_NEVER == GL_NEVER - GL_NEVER);
- assert(PIPE_FUNC_LESS == GL_LESS - GL_NEVER);
- assert(PIPE_FUNC_EQUAL == GL_EQUAL - GL_NEVER);
- assert(PIPE_FUNC_LEQUAL == GL_LEQUAL - GL_NEVER);
- assert(PIPE_FUNC_GREATER == GL_GREATER - GL_NEVER);
- assert(PIPE_FUNC_NOTEQUAL == GL_NOTEQUAL - GL_NEVER);
- assert(PIPE_FUNC_GEQUAL == GL_GEQUAL - GL_NEVER);
- assert(PIPE_FUNC_ALWAYS == GL_ALWAYS - GL_NEVER);
- assert(func >= GL_NEVER);
- assert(func <= GL_ALWAYS);
- return func - GL_NEVER;
-}
-
-
-static void
-update_alpha_test( struct st_context *st )
-{
- struct pipe_alpha_test_state alpha;
- const struct cso_alpha_test *cso;
-
- memset(&alpha, 0, sizeof(alpha));
-
- if (st->ctx->Color.AlphaEnabled) {
- alpha.enabled = 1;
- alpha.func = gl_alpha_func_to_sp(st->ctx->Color.AlphaFunc);
- alpha.ref = st->ctx->Color.AlphaRef;
- }
- cso = st_cached_alpha_test_state(st, &alpha);
- if (st->state.alpha_test != cso) {
- /* state has changed */
- st->state.alpha_test = cso;
- st->pipe->bind_alpha_test_state(st->pipe, cso->data); /* bind new state */
- }
-}
-
-
-const struct st_tracked_state st_update_alpha_test = {
- .name = "st_update_alpha_test",
- .dirty = {
- .mesa = (_NEW_COLOR),
- .st = 0,
- },
- .update = update_alpha_test
-};