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UE4 - Fix Metal matrix constructor

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#codereview Michael.Trepka, Mark.Satterthwaite

[CL 2626231 by Rolando Caloca in Main branch]
This commit is contained in:
Rolando Caloca
2015-07-20 14:26:26 -04:00
committed by Rolando.Caloca@epicgames.com
parent 35e2202c24
commit 630f75b6fe
1 changed files with 41 additions and 9 deletions
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50
Engine/Source/Developer/iOS/MetalShaderFormat/Private/MetalBackend.cpp
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@@ -1724,16 +1724,48 @@ protected:
}
else
{
print_type_full(constant->type);
ralloc_asprintf_append(buffer, "(");
print_constant(constant, 0);
int num_components = constant->type->components();
for (int i = 1; i < num_components; ++i)
if (constant->type->is_matrix())
{
ralloc_asprintf_append(buffer, ",");
print_constant(constant, i);
// Need to print row by row
print_type_full(constant->type);
ralloc_asprintf_append(buffer, "(");
const auto* RowType = constant->type->column_type();
uint32 Component = 0;
for (uint32 Index = 0; Index < constant->type->matrix_columns; ++Index)
{
if (Index > 0)
{
ralloc_asprintf_append(buffer, ",");
}
print_type_full(RowType);
ralloc_asprintf_append(buffer, "(");
for (uint32 VecIndex = 0; VecIndex < RowType->vector_elements; ++VecIndex)
{
if (VecIndex > 0)
{
ralloc_asprintf_append(buffer, ",");
}
print_constant(constant, Component);
++Component;
}
ralloc_asprintf_append(buffer, ")");
}
check(Component == constant->type->components());
ralloc_asprintf_append(buffer, ")");
}
else
{
print_type_full(constant->type);
ralloc_asprintf_append(buffer, "(");
print_constant(constant, 0);
int num_components = constant->type->components();
for (int i = 1; i < num_components; ++i)
{
ralloc_asprintf_append(buffer, ",");
print_constant(constant, i);
}
ralloc_asprintf_append(buffer, ")");
}
ralloc_asprintf_append(buffer, ")");
}
}
@@ -2790,7 +2822,7 @@ char* FMetalCodeBackend::GenerateCode(exec_list* ir, _mesa_glsl_parse_state* sta
Validate(ir, state);
}
//IRDump(ir);
// Generate the actual code string
const char* code = visitor.run(ir);
return _strdup(code);