diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/amd/common/ac_nir_to_llvm.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c index 7aa7567ebc0..a17a232bbed 100644 --- a/src/amd/common/ac_nir_to_llvm.c +++ b/src/amd/common/ac_nir_to_llvm.c @@ -5518,11 +5518,11 @@ handle_vs_outputs_post(struct nir_to_llvm_context *ctx, ctx->nir->outputs[radeon_llvm_reg_index_soa(VARYING_SLOT_VIEWPORT, 0)], ""); } - uint32_t mask = ((outinfo->writes_pointsize == true ? 1 : 0) | - (outinfo->writes_layer == true ? 4 : 0) | - (outinfo->writes_viewport_index == true ? 8 : 0)); - if (mask) { - pos_args[1].enabled_channels = mask; + if (outinfo->writes_pointsize || + outinfo->writes_layer || + outinfo->writes_viewport_index) { + pos_args[1].enabled_channels = ((outinfo->writes_pointsize == true ? 1 : 0) | + (outinfo->writes_layer == true ? 4 : 0)); pos_args[1].valid_mask = 0; pos_args[1].done = 0; pos_args[1].target = V_008DFC_SQ_EXP_POS + 1; @@ -5536,8 +5536,26 @@ handle_vs_outputs_post(struct nir_to_llvm_context *ctx, pos_args[1].out[0] = psize_value; if (outinfo->writes_layer == true) pos_args[1].out[2] = layer_value; - if (outinfo->writes_viewport_index == true) - pos_args[1].out[3] = viewport_index_value; + if (outinfo->writes_viewport_index == true) { + if (ctx->options->chip_class >= GFX9) { + /* GFX9 has the layer in out.z[10:0] and the viewport + * index in out.z[19:16]. + */ + LLVMValueRef v = viewport_index_value; + v = to_integer(&ctx->ac, v); + v = LLVMBuildShl(ctx->builder, v, + LLVMConstInt(ctx->i32, 16, false), + ""); + v = LLVMBuildOr(ctx->builder, v, + to_integer(&ctx->ac, pos_args[1].out[2]), ""); + + pos_args[1].out[2] = to_float(&ctx->ac, v); + pos_args[1].enabled_channels |= 1 << 2; + } else { + pos_args[1].out[3] = viewport_index_value; + pos_args[1].enabled_channels |= 1 << 3; + } + } } for (i = 0; i < 4; i++) { if (pos_args[i].out[0]) |