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Unwrap pointer arguments to imported methods. 

Make sure we unwrap pointers in import determination so things like
passing a member of a struct will determine the import correctly.

Change-Id: Id4565351c45e7798664c3368e2dec19b1440492d
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/20341
Reviewed-by: David Neto <dneto@google.com>
This commit is contained in:
dan sinclair 2020-04-24 00:40:12 +00:00 committed by dan sinclair
parent 9eab206e3f
commit e6759029fb
1 changed files with 27 additions and 19 deletions
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46
src/type_determiner.cc
View File

@ -329,9 +329,11 @@ bool TypeDeterminer::DetermineCall(ast::CallExpression* expr) {
auto* result_type = GetImportData(expr->source(), imp->path(),
ident->name(), expr->params(), &ext_id);
if (result_type == nullptr) {
set_error(expr->source(),
"Unable to determine result type for GLSL expression " +
ident->name());
if (error_.empty()) {
set_error(expr->source(),
"Unable to determine result type for GLSL expression " +
ident->name());
}
return false;
}
@ -644,13 +646,14 @@ ast::type::Type* TypeDeterminer::GetImportData(
std::to_string(params.size()));
return nullptr;
}
if (!params[0]->result_type()->is_float_scalar_or_vector()) {
auto* result_type = params[0]->result_type()->UnwrapPtrIfNeeded();
if (!result_type->is_float_scalar_or_vector()) {
set_error(source, "incorrect type for " + name +
". Requires a float scalar or a float vector");
return nullptr;
}
auto* result_type = params[0]->result_type();
if (name == "round") {
*id = GLSLstd450Round;
} else if (name == "roundeven") {
@ -726,18 +729,20 @@ ast::type::Type* TypeDeterminer::GetImportData(
". Expected 2 got " + std::to_string(params.size());
return nullptr;
}
if (!params[0]->result_type()->is_float_scalar_or_vector() ||
!params[1]->result_type()->is_float_scalar_or_vector()) {
auto* result_type_0 = params[0]->result_type()->UnwrapPtrIfNeeded();
auto* result_type_1 = params[1]->result_type()->UnwrapPtrIfNeeded();
if (!result_type_0->is_float_scalar_or_vector() ||
!result_type_1->is_float_scalar_or_vector()) {
error_ = "incorrect type for " + name +
". Requires float scalar or a float vector values";
return nullptr;
}
if (params[0]->result_type() != params[1]->result_type()) {
if (result_type_0 != result_type_1) {
error_ = "mismatched parameter types for " + name;
return nullptr;
}
auto* result_type = params[0]->result_type();
if (name == "atan2") {
*id = GLSLstd450Atan2;
} else if (name == "pow") {
@ -758,11 +763,12 @@ ast::type::Type* TypeDeterminer::GetImportData(
*id = GLSLstd450Distance;
// Distance returns a scalar of the same type as the parameter.
return result_type->is_float_scalar() ? result_type
: result_type->AsVector()->type();
return result_type_0->is_float_scalar()
? result_type_0
: result_type_0->AsVector()->type();
}
return result_type;
return result_type_0;
} else if (name == "fclamp" || name == "fmix" || name == "smoothstep" ||
name == "fma" || name == "nclamp" || name == "faceforward") {
if (params.size() != 3) {
@ -770,20 +776,22 @@ ast::type::Type* TypeDeterminer::GetImportData(
". Expected 3 got " + std::to_string(params.size());
return nullptr;
}
if (!params[0]->result_type()->is_float_scalar_or_vector() ||
!params[1]->result_type()->is_float_scalar_or_vector() ||
!params[2]->result_type()->is_float_scalar_or_vector()) {
auto* result_type_0 = params[0]->result_type()->UnwrapPtrIfNeeded();
auto* result_type_1 = params[1]->result_type()->UnwrapPtrIfNeeded();
auto* result_type_2 = params[2]->result_type()->UnwrapPtrIfNeeded();
if (!result_type_0->is_float_scalar_or_vector() ||
!result_type_1->is_float_scalar_or_vector() ||
!result_type_2->is_float_scalar_or_vector()) {
error_ = "incorrect type for " + name +
". Requires float scalar or a float vector values";
return nullptr;
}
if (params[0]->result_type() != params[1]->result_type() ||
params[0]->result_type() != params[2]->result_type()) {
if (result_type_0 != result_type_1 || result_type_0 != result_type_2) {
error_ = "mismatched parameter types for " + name;
return nullptr;
}
auto* result_type = params[0]->result_type();
if (name == "fclamp") {
*id = GLSLstd450FClamp;
} else if (name == "fmix") {
@ -798,7 +806,7 @@ ast::type::Type* TypeDeterminer::GetImportData(
*id = GLSLstd450FaceForward;
}
return result_type;
return result_type_0;
}
return nullptr;