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Shader JIT: Fix SGE/SGEI NaN behavior
SGE was incorrectly emulated w.r.t. NaN behavior as the CMPSS SSE
instruction was used with NLT

aroulin 11 лет назад
Родитель
Сommit
84959be150
1 измененных файлов с 3 добавлено и 3 удалено
  1. 3 3
      src/video_core/shader/shader_jit_x64.cpp

+ 3 - 3
src/video_core/shader/shader_jit_x64.cpp

@@ -434,10 +434,10 @@ void JitCompiler::Compile_SGE(Instruction instr) {
         Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
     }
 
-    CMPPS(SRC1, R(SRC2), CMP_NLT);
-    ANDPS(SRC1, R(ONE));
+    CMPPS(SRC2, R(SRC1), CMP_LE);
+    ANDPS(SRC2, R(ONE));
 
-    Compile_DestEnable(instr, SRC1);
+    Compile_DestEnable(instr, SRC2);
 }
 
 void JitCompiler::Compile_SLT(Instruction instr) {