From 5af82a8ed4e2e0b7abc9c7da9f7bb5fa1c83de29 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Wed, 26 Dec 2018 01:33:56 -0300 Subject: shader_decode: Implement TEXS.F16 --- src/video_core/shader/glsl_decompiler.cpp | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'src/video_core/shader/glsl_decompiler.cpp') 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(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(*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(*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, -- cgit v1.2.3