CUDA version handling (#1301)

* render feature for CUDA compute model.

* Use SemanticVersion type.

* Enable CUDA wave tests that require CUDA SM 7.0.
Provide mechanism for DownstreamCompiler to specify version numbers.

* Enabled wave-equality.slang

* Make CUDA SM version major version not just a single digit.

* Fix assert.

* DownstreamCompiler::Version -> CapabilityVersion

1 files changed, 17 insertions, 6 deletions

diff --git a/source/core/slang-semantic-version.h b/source/core/slang-semantic-version.h
index bbfcb663e..d33116de6 100644
--- a/source/core/slang-semantic-version.h
+++ b/source/core/slang-semantic-version.h
@@ -15,9 +15,9 @@ struct SemanticVersion
 
     SemanticVersion():m_major(0), m_minor(0), m_patch(0) {}
     SemanticVersion(int inMajor, int inMinor = 0, int inPatch = 0):
-        m_major(uint8_t(inMajor)),
-        m_minor(uint8_t(inMinor)),
-        m_patch(uint8_t(inPatch))
+        m_major(uint32_t(inMajor)),
+        m_minor(uint16_t(inMinor)),
+        m_patch(uint16_t(inPatch))
     {}
 
     void reset()
@@ -27,15 +27,26 @@ struct SemanticVersion
         m_patch = 0;
     }
 
+        /// All zeros means nothing is set
+    bool isSet() const { return m_major || m_minor || m_patch; }
+
     IntegerType toInteger() const { return (IntegerType(m_major) << 32) | (uint32_t(m_minor) << 16) | m_patch; }
     void setFromInteger(IntegerType v)
     {
-        m_major = (v >> 32);
-        m_minor = uint16_t(v >> 16);
-        m_patch = uint16_t(v);
+        set(int(v >> 32), int((v >> 16) & 0xffff), int(v & 0xffff));
+    }
+    void set(int major, int minor, int patch = 0)
+    {
+        SLANG_ASSERT(major >= 0 && minor >=0 && patch >= 0);
+
+        m_major = uint32_t(major);
+        m_minor = uint16_t(minor);
+        m_patch = uint16_t(patch);
     }
 
     static SlangResult parse(const UnownedStringSlice& value, SemanticVersion& outVersion);
+    static SlangResult parse(const UnownedStringSlice& value, char separatorChar, SemanticVersion& outVersion);
+
     void append(StringBuilder& buf) const;
 
     bool operator>(const ThisType& rhs) const { return toInteger() > rhs.toInteger(); }