diff options
Diffstat (limited to 'src/amd/common/ac_llvm_build.c')
| -rw-r--r-- | src/amd/common/ac_llvm_build.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c index 5640a23b8aa..b2bf1bf7b51 100644 --- a/src/amd/common/ac_llvm_build.c +++ b/src/amd/common/ac_llvm_build.c @@ -371,6 +371,28 @@ ac_build_vote_eq(struct ac_llvm_context *ctx, LLVMValueRef value) } LLVMValueRef +ac_build_varying_gather_values(struct ac_llvm_context *ctx, LLVMValueRef *values, + unsigned value_count, unsigned component) +{ + LLVMValueRef vec = NULL; + + if (value_count == 1) { + return values[component]; + } else if (!value_count) + unreachable("value_count is 0"); + + for (unsigned i = component; i < value_count + component; i++) { + LLVMValueRef value = values[i]; + + if (!i) + vec = LLVMGetUndef( LLVMVectorType(LLVMTypeOf(value), value_count)); + LLVMValueRef index = LLVMConstInt(ctx->i32, i - component, false); + vec = LLVMBuildInsertElement(ctx->builder, vec, value, index, ""); + } + return vec; +} + +LLVMValueRef ac_build_gather_values_extended(struct ac_llvm_context *ctx, LLVMValueRef *values, unsigned value_count, |