From ee0fbc8b719187e7f382e70d73644bc52a51c5d3 Mon Sep 17 00:00:00 2001 From: Timothy Arceri Date: Thu, 17 Aug 2017 20:29:27 +1000 Subject: [PATCH] mesa/st: create add_buffer_to_load_and_stores() helper MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Will be used to add LOAD support to UBOs. Reviewed-by: Marek Olšák --- src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 46 +++++++++++++--------- 1 file changed, 27 insertions(+), 19 deletions(-) diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 9b15b618b6e..d74003e547f 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -944,6 +944,32 @@ type_size(const struct glsl_type *type) return type->count_attribute_slots(false); } +static void +add_buffer_to_load_and_stores(glsl_to_tgsi_instruction *inst, st_src_reg *buf, + exec_list *instructions, ir_constant *access) +{ + /** + * emit_asm() might have actually split the op into pieces, e.g. for + * double stores. We have to go back and fix up all the generated ops. + */ + unsigned op = inst->op; + do { + inst->resource = *buf; + if (access) + inst->buffer_access = access->value.u[0]; + + if (inst == instructions->get_head_raw()) + break; + inst = (glsl_to_tgsi_instruction *)inst->get_prev(); + + if (inst->op == TGSI_OPCODE_UADD) { + if (inst == instructions->get_head_raw()) + break; + inst = (glsl_to_tgsi_instruction *)inst->get_prev(); + } + } while (inst->op == op && inst->resource.file == PROGRAM_UNDEFINED); +} + /** * If the given GLSL type is an array or matrix or a structure containing * an array/matrix member, return true. Else return false. @@ -3340,25 +3366,7 @@ glsl_to_tgsi_visitor::visit_ssbo_intrinsic(ir_call *ir) assert(access); } - /* The emit_asm() might have actually split the op into pieces, e.g. for - * double stores. We have to go back and fix up all the generated ops. - */ - unsigned op = inst->op; - do { - inst->resource = buffer; - if (access) - inst->buffer_access = access->value.u[0]; - - if (inst == this->instructions.get_head_raw()) - break; - inst = (glsl_to_tgsi_instruction *)inst->get_prev(); - - if (inst->op == TGSI_OPCODE_UADD) { - if (inst == this->instructions.get_head_raw()) - break; - inst = (glsl_to_tgsi_instruction *)inst->get_prev(); - } - } while (inst->op == op && inst->resource.file == PROGRAM_UNDEFINED); + add_buffer_to_load_and_stores(inst, &buffer, &this->instructions, access); } void -- 2.30.2