diff options
author | Emil Velikov <[email protected]> | 2016-01-18 12:16:48 +0200 |
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committer | Emil Velikov <[email protected]> | 2016-01-26 16:08:33 +0000 |
commit | eb63640c1d38a200a7b1540405051d3ff79d0d8a (patch) | |
tree | da46321a41f309b1d02aeb14d5d5487791c45aeb /src/glsl/lower_vector_derefs.cpp | |
parent | a39a8fbbaa129f4e52f2a3ad2747182e9a74d910 (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.cpp | 104 |
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; -} |