X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbackends%2Fvulkan%2Fpredicate_backend.cpp;fp=source%2Fbackends%2Fvulkan%2Fpredicate_backend.cpp;h=ecc2be9d5f56283e797e866aca60b7f2487debe9;hb=99ca354f18119f82f1adeca100cd665a8f640317;hp=0000000000000000000000000000000000000000;hpb=4cd245dafe6a7ee5c93edca5aee2d146f1155309;p=libs%2Fgl.git

diff --git a/source/backends/vulkan/predicate_backend.cpp b/source/backends/vulkan/predicate_backend.cpp
new file mode 100644
index 00000000..ecc2be9d
--- /dev/null
+++ b/source/backends/vulkan/predicate_backend.cpp
@@ -0,0 +1,27 @@
+#include "predicate.h"
+#include "predicate_backend.h"
+#include "vulkan.h"
+
+using namespace std;
+
+namespace Msp {
+namespace GL {
+
+unsigned get_vulkan_predicate(Predicate pred)
+{
+	switch(pred)
+	{
+	case NEVER: return VK_COMPARE_OP_NEVER;
+	case ALWAYS: return VK_COMPARE_OP_ALWAYS;
+	case LESS: return VK_COMPARE_OP_LESS;
+	case LEQUAL: return VK_COMPARE_OP_LESS_OR_EQUAL;
+	case EQUAL: return VK_COMPARE_OP_EQUAL;
+	case GREATER: return VK_COMPARE_OP_GREATER;
+	case GEQUAL: return VK_COMPARE_OP_GREATER_OR_EQUAL;
+	case NOTEQUAL: return VK_COMPARE_OP_NOT_EQUAL;
+	default: throw invalid_argument("get_vulkan_predicate");
+	}
+}
+
+} // namespace GL
+} // namespace Msp