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Support matrix attributes in HLSL

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This commit is contained in:
Robert Konrad 2016-09-24 19:31:05 +02:00
parent 4a0267e201
commit ffc590e199
1 changed files with 30 additions and 2 deletions
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32
spirv_hlsl.cpp
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@ -185,7 +185,24 @@ void CompilerHLSL::emit_interface_block_in_struct(const SPIRVariable &var, uint3
auto &m = meta[var.self].decoration;
if (use_binding_number)
{
statement(variable_decl(type, m.alias), " : ", binding, binding_number, ";");
if (type.vecsize == 4 && type.columns == 4)
{
for (int i = 0; i < 4; ++i) {
char name[101];
strcpy(name, m.alias.c_str());
strcat(name, "_");
size_t length = strlen(name);
_itoa(i, &name[length], 10);
name[length + 1] = 0;
SPIRType newtype = type;
newtype.columns = 1;
statement(variable_decl(newtype, name), " : ", binding, binding_number++, ";");
}
}
else
{
statement(variable_decl(type, m.alias), " : ", binding, binding_number, ";");
}
}
else
{
@ -447,7 +464,18 @@ void CompilerHLSL::emit_hlsl_entry_point()
var.storage == StorageClassInput && interface_variable_exists_in_entry_point(var.self))
{
auto &m = meta[var.self].decoration;
statement(m.alias, " = input.", m.alias, ";");
auto &type = get<SPIRType>(var.basetype);
if (type.vecsize == 4 && type.columns == 4)
{
statement(m.alias, "[0] = input.", m.alias, "_0;");
statement(m.alias, "[1] = input.", m.alias, "_1;");
statement(m.alias, "[2] = input.", m.alias, "_2;");
statement(m.alias, "[3] = input.", m.alias, "_3;");
}
else
{
statement(m.alias, " = input.", m.alias, ";");
}
}
}
}