diff options
| -rw-r--r-- | src/amd/common/ac_nir_to_llvm.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index f235cc2..d76f3fc 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -3299,17 +3299,25 @@ static void visit_tex(struct nir_to_llvm_context *ctx, nir_tex_instr *instr) } if (instr->op == nir_texop_texture_samples) { - LLVMValueRef res, samples; + LLVMValueRef res, samples, is_msaa; res = LLVMBuildBitCast(ctx->builder, res_ptr, ctx->v8i32, ""); samples = LLVMBuildExtractElement(ctx->builder, res, LLVMConstInt(ctx->i32, 3, false), ""); + is_msaa = LLVMBuildLShr(ctx->builder, samples, + LLVMConstInt(ctx->i32, 28, false), ""); + is_msaa = LLVMBuildAnd(ctx->builder, is_msaa, + LLVMConstInt(ctx->i32, 0xe, false), ""); + is_msaa = LLVMBuildICmp(ctx->builder, LLVMIntEQ, is_msaa, + LLVMConstInt(ctx->i32, 0xe, false), ""); + samples = LLVMBuildLShr(ctx->builder, samples, LLVMConstInt(ctx->i32, 16, false), ""); samples = LLVMBuildAnd(ctx->builder, samples, LLVMConstInt(ctx->i32, 0xf, false), ""); samples = LLVMBuildShl(ctx->builder, ctx->i32one, samples, ""); - + samples = LLVMBuildSelect(ctx->builder, is_msaa, samples, + ctx->i32one, ""); result = samples; goto write_result; } |