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-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index aa435e5cc..1bb8174e4 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -199,7 +199,7 @@ private:
std::string GetRegister(const Register& reg, unsigned elem = 0) {
if (stage == Maxwell3D::Regs::ShaderStage::Fragment && reg < 4) {
// GPRs 0-3 are output color for the fragment shader
- return std::string{"color."} + "rgba"[reg + elem];
+ return std::string{"color."} + "rgba"[(reg + elem) & 3];
}
return *declr_register.insert("register_" + std::to_string(reg + elem)).first;