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author | marha <marha@users.sourceforge.net> | 2010-11-22 19:42:40 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2010-11-22 19:42:40 +0000 |
commit | 85ef9930f56bf15181f9a0b238f03d55303cf411 (patch) | |
tree | 63b43286956ebd1c35c96e9b3d5305aabdf71a0f /mesalib/src/glsl/ir_rvalue_visitor.cpp | |
parent | 94810d19989336862251dbf69c3f3acb18a9b06d (diff) | |
download | vcxsrv-85ef9930f56bf15181f9a0b238f03d55303cf411.tar.gz vcxsrv-85ef9930f56bf15181f9a0b238f03d55303cf411.tar.bz2 vcxsrv-85ef9930f56bf15181f9a0b238f03d55303cf411.zip |
Updated to mesalib 7.9
Diffstat (limited to 'mesalib/src/glsl/ir_rvalue_visitor.cpp')
-rw-r--r-- | mesalib/src/glsl/ir_rvalue_visitor.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/mesalib/src/glsl/ir_rvalue_visitor.cpp b/mesalib/src/glsl/ir_rvalue_visitor.cpp new file mode 100644 index 000000000..773bfcfa3 --- /dev/null +++ b/mesalib/src/glsl/ir_rvalue_visitor.cpp @@ -0,0 +1,141 @@ +/* + * Copyright © 2010 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. + */ + +/** + * \file ir_rvalue_visitor.cpp + * + * Generic class to implement the common pattern we have of wanting to + * visit each ir_rvalue * and possibly change that node to a different + * class. + */ + +#include "ir.h" +#include "ir_visitor.h" +#include "ir_rvalue_visitor.h" +#include "ir_print_visitor.h" +#include "glsl_types.h" + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_expression *ir) +{ + unsigned int operand; + + for (operand = 0; operand < ir->get_num_operands(); operand++) { + handle_rvalue(&ir->operands[operand]); + } + + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_texture *ir) +{ + handle_rvalue(&ir->coordinate); + handle_rvalue(&ir->projector); + handle_rvalue(&ir->shadow_comparitor); + + switch (ir->op) { + case ir_tex: + break; + case ir_txb: + handle_rvalue(&ir->lod_info.bias); + break; + case ir_txf: + case ir_txl: + handle_rvalue(&ir->lod_info.lod); + break; + case ir_txd: + handle_rvalue(&ir->lod_info.grad.dPdx); + handle_rvalue(&ir->lod_info.grad.dPdy); + break; + } + + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_swizzle *ir) +{ + handle_rvalue(&ir->val); + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_dereference_array *ir) +{ + /* The array index is not the target of the assignment, so clear the + * 'in_assignee' flag. Restore it after returning from the array index. + */ + const bool was_in_assignee = this->in_assignee; + this->in_assignee = false; + handle_rvalue(&ir->array_index); + this->in_assignee = was_in_assignee; + + handle_rvalue(&ir->array); + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_dereference_record *ir) +{ + handle_rvalue(&ir->record); + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_assignment *ir) +{ + handle_rvalue(&ir->rhs); + handle_rvalue(&ir->condition); + + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_call *ir) +{ + foreach_iter(exec_list_iterator, iter, *ir) { + ir_rvalue *param = (ir_rvalue *)iter.get(); + ir_rvalue *new_param = param; + handle_rvalue(&new_param); + + if (new_param != param) { + param->replace_with(new_param); + } + } + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_return *ir) +{ + handle_rvalue(&ir->value);; + return visit_continue; +} + +ir_visitor_status +ir_rvalue_visitor::visit_leave(ir_if *ir) +{ + handle_rvalue(&ir->condition); + return visit_continue; +} |