diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 48 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader_internal.h | 11 |
2 files changed, 59 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index ef1b460f456..bb251986fff 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -1229,6 +1229,54 @@ static LLVMValueRef fetch_input_tes( buffer, base, addr, true); } +LLVMValueRef si_nir_load_input_tes(struct ac_shader_abi *abi, + LLVMValueRef vertex_index, + LLVMValueRef param_index, + unsigned const_index, + unsigned location, + unsigned driver_location, + unsigned component, + unsigned num_components, + bool is_patch, + bool is_compact) +{ + struct si_shader_context *ctx = si_shader_context_from_abi(abi); + struct tgsi_shader_info *info = &ctx->shader->selector->info; + LLVMValueRef buffer, base, addr; + + driver_location = driver_location / 4; + + buffer = desc_from_addr_base64k(ctx, ctx->param_tcs_offchip_addr_base64k); + + base = LLVMGetParam(ctx->main_fn, ctx->param_tcs_offchip_offset); + + if (param_index) { + /* Add the constant index to the indirect index */ + param_index = LLVMBuildAdd(ctx->ac.builder, param_index, + LLVMConstInt(ctx->i32, const_index, 0), ""); + } else { + param_index = LLVMConstInt(ctx->i32, const_index, 0); + } + + addr = get_tcs_tes_buffer_address_from_generic_indices(ctx, vertex_index, + param_index, driver_location, + info->input_semantic_name, + info->input_semantic_index, + is_patch); + + /* TODO: This will generate rather ordinary llvm code, although it + * should be easy for the optimiser to fix up. In future we might want + * to refactor buffer_load(), but for now this maximises code sharing + * between the NIR and TGSI backends. + */ + LLVMValueRef value[4]; + for (unsigned i = component; i < num_components + component; i++) { + value[i] = buffer_load(&ctx->bld_base, ctx->i32, i, buffer, base, addr, true); + } + + return ac_build_varying_gather_values(&ctx->ac, value, num_components, component); +} + static void store_output_tcs(struct lp_build_tgsi_context *bld_base, const struct tgsi_full_instruction *inst, const struct tgsi_opcode_info *info, diff --git a/src/gallium/drivers/radeonsi/si_shader_internal.h b/src/gallium/drivers/radeonsi/si_shader_internal.h index e05927c7fd9..378bfc1a7ac 100644 --- a/src/gallium/drivers/radeonsi/si_shader_internal.h +++ b/src/gallium/drivers/radeonsi/si_shader_internal.h @@ -277,6 +277,17 @@ LLVMValueRef si_llvm_emit_fetch(struct lp_build_tgsi_context *bld_base, enum tgsi_opcode_type type, unsigned swizzle); +LLVMValueRef si_nir_load_input_tes(struct ac_shader_abi *abi, + LLVMValueRef vertex_index, + LLVMValueRef param_index, + unsigned const_index, + unsigned location, + unsigned driver_location, + unsigned component, + unsigned num_components, + bool is_patch, + bool is_compact); + LLVMValueRef si_llvm_load_input_gs(struct ac_shader_abi *abi, unsigned input_index, unsigned vtx_offset_param, |