1 files changed, 16 insertions, 6 deletions

diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index e3217db81..32f06f409 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -507,6 +507,8 @@ private:
 
     /// Build the GLSL register list.
     void BuildRegisterList() {
+        regs.reserve(Register::NumRegisters);
+
         for (size_t index = 0; index < Register::NumRegisters; ++index) {
             regs.emplace_back(index, suffix);
         }
@@ -523,6 +525,11 @@ private:
             // shader.
             ASSERT(stage == Maxwell3D::Regs::ShaderStage::Vertex);
             return "vec4(0, 0, uintBitsToFloat(gl_InstanceID), uintBitsToFloat(gl_VertexID))";
+        case Attribute::Index::Unknown_63:
+            // TODO(bunnei): Figure out what this is used for. Super Mario Odyssey uses this.
+            LOG_CRITICAL(HW_GPU, "Unhandled input attribute Unknown_63");
+            UNREACHABLE();
+            break;
         default:
             const u32 index{static_cast<u32>(attribute) -
                             static_cast<u32>(Attribute::Index::Attribute_0)};
@@ -534,6 +541,8 @@ private:
             LOG_CRITICAL(HW_GPU, "Unhandled input attribute: {}", index);
             UNREACHABLE();
         }
+
+        return "vec4(0, 0, 0, 0)";
     }
 
     /// Generates code representing an output attribute register.
@@ -602,12 +611,12 @@ private:
 
     /// Generates code representing a 19-bit immediate value
     static std::string GetImmediate19(const Instruction& instr) {
-        return std::to_string(instr.alu.GetImm20_19());
+        return fmt::format("uintBitsToFloat({})", instr.alu.GetImm20_19());
     }
 
     /// Generates code representing a 32-bit immediate value
     static std::string GetImmediate32(const Instruction& instr) {
-        return std::to_string(instr.alu.GetImm20_32());
+        return fmt::format("uintBitsToFloat({})", instr.alu.GetImm20_32());
     }
 
     /// Generates code representing a texture sampler.
@@ -650,16 +659,17 @@ private:
      * @param instr Instruction to generate the if condition for.
      * @returns string containing the predicate condition.
      */
-    std::string GetPredicateCondition(u64 index, bool negate) const {
+    std::string GetPredicateCondition(u64 index, bool negate) {
         using Tegra::Shader::Pred;
         std::string variable;
 
         // Index 7 is used as an 'Always True' condition.
-        if (index == static_cast<u64>(Pred::UnusedIndex))
+        if (index == static_cast<u64>(Pred::UnusedIndex)) {
             variable = "true";
-        else
+        } else {
             variable = 'p' + std::to_string(index) + '_' + suffix;
-
+            declr_predicates.insert(variable);
+        }
         if (negate) {
             return "!(" + variable + ')';
         }