softgpu: Correct decal doubling without alpha.

hrydgard · Jan 9, 2022 · b915a82 · b915a82
1 parent 72aa4be
commit b915a82
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/GPU/Software/Rasterizer.cpp b/GPU/Software/Rasterizer.cpp
@@ -236,7 +236,10 @@ Vec4IntResult SOFTRAST_CALL GetTextureFunctionOutput(Vec4IntArg prim_color_in, V
 			else
 				out_rgb /= 256;
 		} else {
-			out_rgb = texcolor.rgb();
+			if (gstate.isColorDoublingEnabled())
+				out_rgb = texcolor.rgb() * 2;
+			else
+				out_rgb = texcolor.rgb();
 		}
 		out_a = prim_color.a();
 		break;

diff --git a/GPU/Software/SamplerX86.cpp b/GPU/Software/SamplerX86.cpp
@@ -1578,6 +1578,8 @@ bool SamplerJitCache::Jit_ApplyTextureFunc(const SamplerID &id) {
 				PSRLW(resultReg, 7);
 			else
 				PSRLW(resultReg, 8);
+		} else if (id.useColorDoubling) {
+			PSLLW(resultReg, 1);
 		}
 		useAlphaFrom(primColorReg);
 		break;