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glsl: Add parameter to .equals() to ignore an IR type.

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Only implemented for ir_swizzles currently, but perhaps will be useful
for other IR types in the future.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
This commit is contained in:
Matt Turner
2014-01-01 16:52:32 -08:00
parent ebf91993c1
commit 5e82d8a9da
2 changed files with 38 additions and 36 deletions
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14
src/glsl/ir.h
View File

@@ -148,7 +148,7 @@ public:
* in particular. No support for other instruction types (assignments,
* jumps, calls, etc.) is planned.
*/
virtual bool equals(ir_instruction *ir);
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
protected:
ir_instruction()
@@ -1413,7 +1413,7 @@ public:
return this;
}
virtual bool equals(ir_instruction *ir);
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
virtual ir_expression *clone(void *mem_ctx, struct hash_table *ht) const;
@@ -1741,7 +1741,7 @@ public:
virtual ir_visitor_status accept(ir_hierarchical_visitor *);
virtual bool equals(ir_instruction *ir);
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
/**
* Return a string representing the ir_texture_opcode.
@@ -1847,7 +1847,7 @@ public:
virtual ir_visitor_status accept(ir_hierarchical_visitor *);
virtual bool equals(ir_instruction *ir);
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
bool is_lvalue() const
{
@@ -1913,7 +1913,7 @@ public:
return this;
}
virtual bool equals(ir_instruction *ir);
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
/**
* Get the variable that is ultimately referenced by an r-value
@@ -1973,7 +1973,7 @@ public:
return this;
}
virtual bool equals(ir_instruction *ir);
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
/**
* Get the variable that is ultimately referenced by an r-value
@@ -2109,7 +2109,7 @@ public:
virtual ir_visitor_status accept(ir_hierarchical_visitor *);
virtual bool equals(ir_instruction *ir);
virtual bool equals(ir_instruction *ir, enum ir_node_type ignore = ir_type_unset);
/**
* Get a particular component of a constant as a specific type

60
src/glsl/ir_equals.cpp
View File

@@ -28,12 +28,12 @@
* can't access a's vtable in that case.
*/
static bool
possibly_null_equals(ir_instruction *a, ir_instruction *b)
possibly_null_equals(ir_instruction *a, ir_instruction *b, enum ir_node_type ignore)
{
if (!a || !b)
return !a && !b;
return a->equals(b);
return a->equals(b, ignore);
}
/**
@@ -41,13 +41,13 @@ possibly_null_equals(ir_instruction *a, ir_instruction *b)
* about.
*/
bool
ir_instruction::equals(ir_instruction *ir)
ir_instruction::equals(ir_instruction *ir, enum ir_node_type)
{
return false;
}
bool
ir_constant::equals(ir_instruction *ir)
ir_constant::equals(ir_instruction *ir, enum ir_node_type ignore)
{
const ir_constant *other = ir->as_constant();
if (!other)
@@ -65,7 +65,7 @@ ir_constant::equals(ir_instruction *ir)
}
bool
ir_dereference_variable::equals(ir_instruction *ir)
ir_dereference_variable::equals(ir_instruction *ir, enum ir_node_type ignore)
{
const ir_dereference_variable *other = ir->as_dereference_variable();
if (!other)
@@ -75,7 +75,7 @@ ir_dereference_variable::equals(ir_instruction *ir)
}
bool
ir_dereference_array::equals(ir_instruction *ir)
ir_dereference_array::equals(ir_instruction *ir, enum ir_node_type ignore)
{
const ir_dereference_array *other = ir->as_dereference_array();
if (!other)
@@ -84,17 +84,17 @@ ir_dereference_array::equals(ir_instruction *ir)
if (type != other->type)
return false;
if (!array->equals(other->array))
if (!array->equals(other->array, ignore))
return false;
if (!array_index->equals(other->array_index))
if (!array_index->equals(other->array_index, ignore))
return false;
return true;
}
bool
ir_swizzle::equals(ir_instruction *ir)
ir_swizzle::equals(ir_instruction *ir, enum ir_node_type ignore)
{
const ir_swizzle *other = ir->as_swizzle();
if (!other)
@@ -103,18 +103,20 @@ ir_swizzle::equals(ir_instruction *ir)
if (type != other->type)
return false;
if (mask.x != other->mask.x ||
mask.y != other->mask.y ||
mask.z != other->mask.z ||
mask.w != other->mask.w) {
return false;
if (ignore != ir_type_swizzle) {
if (mask.x != other->mask.x ||
mask.y != other->mask.y ||
mask.z != other->mask.z ||
mask.w != other->mask.w) {
return false;
}
}
return val->equals(other->val);
return val->equals(other->val, ignore);
}
bool
ir_texture::equals(ir_instruction *ir)
ir_texture::equals(ir_instruction *ir, enum ir_node_type ignore)
{
const ir_texture *other = ir->as_texture();
if (!other)
@@ -126,19 +128,19 @@ ir_texture::equals(ir_instruction *ir)
if (op != other->op)
return false;
if (!possibly_null_equals(coordinate, other->coordinate))
if (!possibly_null_equals(coordinate, other->coordinate, ignore))
return false;
if (!possibly_null_equals(projector, other->projector))
if (!possibly_null_equals(projector, other->projector, ignore))
return false;
if (!possibly_null_equals(shadow_comparitor, other->shadow_comparitor))
if (!possibly_null_equals(shadow_comparitor, other->shadow_comparitor, ignore))
return false;
if (!possibly_null_equals(offset, other->offset))
if (!possibly_null_equals(offset, other->offset, ignore))
return false;
if (!sampler->equals(other->sampler))
if (!sampler->equals(other->sampler, ignore))
return false;
switch (op) {
@@ -147,26 +149,26 @@ ir_texture::equals(ir_instruction *ir)
case ir_query_levels:
break;
case ir_txb:
if (!lod_info.bias->equals(other->lod_info.bias))
if (!lod_info.bias->equals(other->lod_info.bias, ignore))
return false;
break;
case ir_txl:
case ir_txf:
case ir_txs:
if (!lod_info.lod->equals(other->lod_info.lod))
if (!lod_info.lod->equals(other->lod_info.lod, ignore))
return false;
break;
case ir_txd:
if (!lod_info.grad.dPdx->equals(other->lod_info.grad.dPdx) ||
!lod_info.grad.dPdy->equals(other->lod_info.grad.dPdy))
if (!lod_info.grad.dPdx->equals(other->lod_info.grad.dPdx, ignore) ||
!lod_info.grad.dPdy->equals(other->lod_info.grad.dPdy, ignore))
return false;
break;
case ir_txf_ms:
if (!lod_info.sample_index->equals(other->lod_info.sample_index))
if (!lod_info.sample_index->equals(other->lod_info.sample_index, ignore))
return false;
break;
case ir_tg4:
if (!lod_info.component->equals(other->lod_info.component))
if (!lod_info.component->equals(other->lod_info.component, ignore))
return false;
break;
default:
@@ -177,7 +179,7 @@ ir_texture::equals(ir_instruction *ir)
}
bool
ir_expression::equals(ir_instruction *ir)
ir_expression::equals(ir_instruction *ir, enum ir_node_type ignore)
{
const ir_expression *other = ir->as_expression();
if (!other)
@@ -190,7 +192,7 @@ ir_expression::equals(ir_instruction *ir)
return false;
for (unsigned i = 0; i < get_num_operands(); i++) {
if (!operands[i]->equals(other->operands[i]))
if (!operands[i]->equals(other->operands[i], ignore))
return false;
}