bvm: adde Get/Set-ApiVersion (app shaders only)

BeamMW · Aug 3, 2022 · 25e7ad7 · 25e7ad7
1 parent 92788a2
commit 25e7ad7
Show file tree

Hide file tree

Showing 3 changed files with 26 additions and 0 deletions.
diff --git a/bvm/bvm2.cpp b/bvm/bvm2.cpp
@@ -3076,6 +3076,20 @@ namespace bvm2 {
 		}
 	}
 
+	BVM_METHOD(GetApiVersion)
+	{
+		return Shaders::ApiVersion::Current;
+	}
+
+	BVM_METHOD_HOST_AUTO(GetApiVersion)
+
+	BVM_METHOD(SetApiVersion)
+	{
+		Wasm::Test(Shaders::ApiVersion::Current == nVer);
+	}
+
+	BVM_METHOD_HOST_AUTO(SetApiVersion)
+
 	void ProcessorManager::RunOnce()
 	{
 		assert(!IsSuspended());

diff --git a/bvm/bvm2_opcodes.h b/bvm/bvm2_opcodes.h
@@ -381,6 +381,11 @@
 	macro(const char*, szComment) sep \
 	macro(uint32_t, nCharge)
 
+#define BVMOp_GetApiVersion(macro, sep) \
+
+#define BVMOp_SetApiVersion(macro, sep) \
+	macro(uint32_t, nVer)
+
 #define BVMOp_GenerateRandom(macro, sep) \
 	macro(void*, pBuf) sep \
 	macro(uint32_t, nSize)
@@ -546,6 +551,8 @@
 	macro(0x6B, uint8_t  , DocGetNum64) \
 	macro(0x6C, uint32_t , DocGetBlob) \
 	macro(0x70, void     , GenerateKernel) \
+	macro(0x78, uint32_t , GetApiVersion) \
+	macro(0x79, void     , SetApiVersion) \
 	macro(0xA0, void     , GenerateRandom) \
 	macro(0xA1, void     , get_SlotImage) \
 	macro(0xA2, void     , SlotInit) \

diff --git a/bvm/bvm2_shared.h b/bvm/bvm2_shared.h
@@ -165,4 +165,9 @@ struct Stream
 
 static const uint32_t s_NonceSlots = 256;
 
+struct ApiVersion
+{
+	static const uint32_t Current = 1;
+};
+
 #pragma pack (pop)