Fixed uninitialized memory due to missing returns in canary

Functions which are suppose to crash on non canary builds usually don't return anything which lead to uninitialized memory being used.

3 files changed, 12 insertions, 2 deletions

diff --git a/src/video_core/renderer_opengl/gl_shader_cache.h b/src/video_core/renderer_opengl/gl_shader_cache.h
index b4ef6030d..de3671acf 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.h
+++ b/src/video_core/renderer_opengl/gl_shader_cache.h
@@ -67,6 +67,7 @@ public:
                                        6, "ShaderTrianglesAdjacency");
         default:
             UNREACHABLE_MSG("Unknown primitive mode.");
+            return LazyGeometryProgram(geometry_programs.points, "points", 1, "ShaderPoints");
         }
     }
 
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index bd61af463..836865e14 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -364,6 +364,7 @@ public:
             return value;
         default:
             UNREACHABLE_MSG("Unimplemented conversion size: {}", static_cast<u32>(size));
+            return value;
         }
     }
 
@@ -626,6 +627,7 @@ public:
             return "floatBitsToInt(" + value + ')';
         } else {
             UNREACHABLE();
+            return value;
         }
     }
 
@@ -2064,6 +2066,8 @@ private:
                             std::to_string(instr.alu.GetSignedImm20_20())};
                 default:
                     UNREACHABLE();
+                    return {regs.GetRegisterAsInteger(instr.gpr39, 0, false),
+                            std::to_string(instr.alu.GetSignedImm20_20())};
                 }
             }();
             const std::string offset = '(' + packed_shift + " & 0xff)";
@@ -3314,6 +3318,7 @@ private:
                     return std::to_string(instr.r2p.immediate_mask);
                 default:
                     UNREACHABLE();
+                    return std::to_string(instr.r2p.immediate_mask);
                 }
             }();
             const std::string mask = '(' + regs.GetRegisterAsInteger(instr.gpr8, 0, false) +
@@ -3777,7 +3782,9 @@ private:
                 }
                 break;
             }
-            default: { UNIMPLEMENTED_MSG("Unhandled instruction: {}", opcode->get().GetName()); }
+            default: {
+                UNIMPLEMENTED_MSG("Unhandled instruction: {}", opcode->get().GetName());
+            }
             }
 
             break;
@@ -3932,4 +3939,4 @@ std::optional<ProgramResult> DecompileProgram(const ProgramCode& program_code, u
     return {};
 }
 
-} // namespace OpenGL::GLShader::Decompiler
\ No newline at end of file
+} // namespace OpenGL::GLShader::Decompiler
diff --git a/src/video_core/renderer_opengl/renderer_opengl.cpp b/src/video_core/renderer_opengl/renderer_opengl.cpp
index 4fd0d66c5..f02415139 100644
--- a/src/video_core/renderer_opengl/renderer_opengl.cpp
+++ b/src/video_core/renderer_opengl/renderer_opengl.cpp
@@ -427,6 +427,7 @@ static const char* GetSource(GLenum source) {
         RET(OTHER);
     default:
         UNREACHABLE();
+        return "Unknown source";
     }
 #undef RET
 }
@@ -445,6 +446,7 @@ static const char* GetType(GLenum type) {
         RET(MARKER);
     default:
         UNREACHABLE();
+        return "Unknown type";
     }
 #undef RET
 }