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-rw-r--r--src/video_core/shader/glsl_decompiler.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/video_core/shader/glsl_decompiler.cpp b/src/video_core/shader/glsl_decompiler.cpp
index d27d38178..5aa7966b9 100644
--- a/src/video_core/shader/glsl_decompiler.cpp
+++ b/src/video_core/shader/glsl_decompiler.cpp
@@ -785,6 +785,31 @@ private:
return {};
}
+ std::string AssignCompositeHalf(Operation operation) {
+ const auto& meta = std::get<MetaComponents>(operation.GetMeta());
+
+ const std::string composite = code.GenerateTemporal();
+ code.AddLine("vec4 " + composite + " = " + Visit(operation[0]) + ';');
+
+ const auto ReadComponent = [&](u32 component) {
+ if (component < meta.count) {
+ return composite + '[' + std::to_string(meta.GetSourceComponent(component)) + ']';
+ }
+ return std::string("0");
+ };
+
+ const auto dst1 = std::get<GprNode>(*operation[1]).GetIndex();
+ const std::string src1 = "vec2(" + ReadComponent(0) + ", " + ReadComponent(1) + ')';
+ code.AddLine(GetRegister(dst1) + " = utof(packHalf2x16(" + src1 + "))");
+
+ if (meta.count > 2) {
+ const auto dst2 = std::get<GprNode>(*operation[2]).GetIndex();
+ const std::string src2 = "vec2(" + ReadComponent(2) + ", " + ReadComponent(3) + ')';
+ code.AddLine(GetRegister(dst2) + " = utof(packHalf2x16(" + src2 + "))");
+ }
+ return {};
+ }
+
std::string Composite(Operation operation) {
std::string value = "vec4(";
for (std::size_t i = 0; i < 4; ++i) {
@@ -1302,6 +1327,7 @@ private:
static constexpr OperationDecompilersArray operation_decompilers = {
&GLSLDecompiler::Assign,
&GLSLDecompiler::AssignComposite,
+ &GLSLDecompiler::AssignCompositeHalf,
&GLSLDecompiler::Composite,
&GLSLDecompiler::Select,