Correctly determine whether we need to compute centroids

[android-x86/external-swiftshader.git] / src / Pipeline / SpirvShader.cpp

diff --git a/src/Pipeline/SpirvShader.cpp b/src/Pipeline/SpirvShader.cpp
index 36227b9..92439a0 100644 (file)
--- a/src/Pipeline/SpirvShader.cpp
+++ b/src/Pipeline/SpirvShader.cpp
@@ -42,9 +42,13 @@ namespace sw
                        case spv::OpDecorate:
                        {
                                auto targetId = insn.word(1);
+                               auto decoration = static_cast<spv::Decoration>(insn.word(2));
                                decorations[targetId].Apply(
-                                               static_cast<spv::Decoration>(insn.word(2)),
+                                               decoration,
                                                insn.wordCount() > 3 ? insn.word(3) : 0);
+
+                               if (decoration == spv::DecorationCentroid)
+                                       modes.NeedsCentroid = true;
                                break;
                        }
 
@@ -55,9 +59,13 @@ namespace sw
                                auto &d = memberDecorations[targetId];
                                if (memberIndex >= d.size())
                                        d.resize(memberIndex + 1);    // on demand; exact size would require another pass...
+                               auto decoration = static_cast<spv::Decoration>(insn.word(3));
                                d[memberIndex].Apply(
-                                               static_cast<spv::Decoration>(insn.word(3)),
+                                               decoration,
                                                insn.wordCount() > 4 ? insn.word(4) : 0);
+
+                               if (decoration == spv::DecorationCentroid)
+                                       modes.NeedsCentroid = true;
                                break;
                        }