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authorEmil Velikov <[email protected]>2016-01-18 12:16:48 +0200
committerEmil Velikov <[email protected]>2016-01-26 16:08:33 +0000
commiteb63640c1d38a200a7b1540405051d3ff79d0d8a (patch)
treeda46321a41f309b1d02aeb14d5d5487791c45aeb /src/glsl/lower_vector_derefs.cpp
parenta39a8fbbaa129f4e52f2a3ad2747182e9a74d910 (diff)
glsl: move to compiler/
Signed-off-by: Emil Velikov <[email protected]> Acked-by: Matt Turner <[email protected]> Acked-by: Jose Fonseca <[email protected]>
Diffstat (limited to 'src/glsl/lower_vector_derefs.cpp')
-rw-r--r--src/glsl/lower_vector_derefs.cpp104
1 files changed, 0 insertions, 104 deletions
diff --git a/src/glsl/lower_vector_derefs.cpp b/src/glsl/lower_vector_derefs.cpp
deleted file mode 100644
index 4a5d6f0da4c..00000000000
--- a/src/glsl/lower_vector_derefs.cpp
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Copyright © 2013 Intel Corporation
- *
- * 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, sublicense,
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-#include "ir.h"
-#include "ir_builder.h"
-#include "ir_rvalue_visitor.h"
-#include "ir_optimization.h"
-
-using namespace ir_builder;
-
-namespace {
-
-class vector_deref_visitor : public ir_rvalue_enter_visitor {
-public:
- vector_deref_visitor()
- : progress(false)
- {
- }
-
- virtual ~vector_deref_visitor()
- {
- }
-
- virtual void handle_rvalue(ir_rvalue **rv);
- virtual ir_visitor_status visit_enter(ir_assignment *ir);
-
- bool progress;
-};
-
-} /* anonymous namespace */
-
-ir_visitor_status
-vector_deref_visitor::visit_enter(ir_assignment *ir)
-{
- if (!ir->lhs || ir->lhs->ir_type != ir_type_dereference_array)
- return ir_rvalue_enter_visitor::visit_enter(ir);
-
- ir_dereference_array *const deref = (ir_dereference_array *) ir->lhs;
- if (!deref->array->type->is_vector())
- return ir_rvalue_enter_visitor::visit_enter(ir);
-
- ir_dereference *const new_lhs = (ir_dereference *) deref->array;
- ir->set_lhs(new_lhs);
-
- ir_constant *old_index_constant = deref->array_index->constant_expression_value();
- void *mem_ctx = ralloc_parent(ir);
- if (!old_index_constant) {
- ir->rhs = new(mem_ctx) ir_expression(ir_triop_vector_insert,
- new_lhs->type,
- new_lhs->clone(mem_ctx, NULL),
- ir->rhs,
- deref->array_index);
- ir->write_mask = (1 << new_lhs->type->vector_elements) - 1;
- } else {
- ir->write_mask = 1 << old_index_constant->get_int_component(0);
- }
-
- return ir_rvalue_enter_visitor::visit_enter(ir);
-}
-
-void
-vector_deref_visitor::handle_rvalue(ir_rvalue **rv)
-{
- if (*rv == NULL || (*rv)->ir_type != ir_type_dereference_array)
- return;
-
- ir_dereference_array *const deref = (ir_dereference_array *) *rv;
- if (!deref->array->type->is_vector())
- return;
-
- void *mem_ctx = ralloc_parent(deref);
- *rv = new(mem_ctx) ir_expression(ir_binop_vector_extract,
- deref->array,
- deref->array_index);
-}
-
-bool
-lower_vector_derefs(gl_shader *shader)
-{
- vector_deref_visitor v;
-
- visit_list_elements(&v, shader->ir);
-
- return v.progress;
-}