layers: Fix MSVS conversion warning.
This fixes the following:
warning C4245: 'argument': conversion from 'int' to 'unsigned int', signed/unsigned mismatch
It also modifies the build to enable this warning by default.
Change-Id: If2e6c8d43811162a9a382883b3d55a148975fc37
diff --git a/layers/shader_validation.cpp b/layers/shader_validation.cpp
index ff3a84b..11fcbdc 100644
--- a/layers/shader_validation.cpp
+++ b/layers/shader_validation.cpp
@@ -584,8 +584,8 @@
unsigned id = insn.word(2);
unsigned type = insn.word(1);
- int location = value_or_default(var_locations, id, -1);
- int builtin = value_or_default(var_builtins, id, -1);
+ int location = value_or_default(var_locations, id, static_cast<unsigned>(-1));
+ int builtin = value_or_default(var_builtins, id, static_cast<unsigned>(-1));
unsigned component = value_or_default(var_components, id, 0); // Unspecified is OK, is 0
bool is_patch = var_patch.find(id) != var_patch.end();
bool is_relaxed_precision = var_relaxed_precision.find(id) != var_relaxed_precision.end();