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ac: fix ac_build_varying_gather_values() for packed layouts

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This fixes a segfault for varyings not starting at component 0.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Timothy Arceri
2018-01-19 16:48:43 +11:00
parent 209b14c2cb
commit 5b9362c248
1 changed files with 1 additions and 1 deletions
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src/amd/common/ac_llvm_build.c
+1 -1
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@@ -413,7 +413,7 @@ ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values
for (unsigned i = component; i < value_count + component; i++) {
LLVMValueRef value = values[i];
if (!i)
if (i == component)
vec = LLVMGetUndef( LLVMVectorType(LLVMTypeOf(value), value_count));
LLVMValueRef index = LLVMConstInt(ctx->i32, i - component, false);
vec = LLVMBuildInsertElement(ctx->builder, vec, value, index, "");