From f361f8a8a9a71d84fc569445902adacc2f2cc069 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 1 Dec 2010 15:37:10 -0800 Subject: [PATCH] i965: Add support for loops in the VS. This follows the changes done for the FS alongside the EU emit code. --- src/mesa/drivers/dri/i965/brw_vs_emit.c | 58 ++++++++++++++----------- 1 file changed, 33 insertions(+), 25 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c index b13e0c2a2c8..407358f498f 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_emit.c +++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c @@ -2032,35 +2032,42 @@ void brw_vs_emit(struct brw_vs_compile *c ) break; case OPCODE_CONT: brw_set_predicate_control(p, get_predicate(inst)); - brw_CONT(p, if_depth_in_loop[loop_depth]); + if (intel->gen >= 6) { + brw_CONT_gen6(p, loop_inst[loop_depth - 1]); + } else { + brw_CONT(p, if_depth_in_loop[loop_depth]); + } brw_set_predicate_control(p, BRW_PREDICATE_NONE); break; - case OPCODE_ENDLOOP: - { - clear_current_const(c); - struct brw_instruction *inst0, *inst1; - GLuint br = 1; - - loop_depth--; - - if (intel->gen == 5) - br = 2; - - inst0 = inst1 = brw_WHILE(p, loop_inst[loop_depth]); - /* patch all the BREAK/CONT instructions from last BEGINLOOP */ - while (inst0 > loop_inst[loop_depth]) { - inst0--; - if (inst0->header.opcode == BRW_OPCODE_BREAK && + + case OPCODE_ENDLOOP: { + clear_current_const(c); + struct brw_instruction *inst0, *inst1; + GLuint br = 1; + + loop_depth--; + + if (intel->gen == 5) + br = 2; + + inst0 = inst1 = brw_WHILE(p, loop_inst[loop_depth]); + + if (intel->gen < 6) { + /* patch all the BREAK/CONT instructions from last BEGINLOOP */ + while (inst0 > loop_inst[loop_depth]) { + inst0--; + if (inst0->header.opcode == BRW_OPCODE_BREAK && inst0->bits3.if_else.jump_count == 0) { - inst0->bits3.if_else.jump_count = br * (inst1 - inst0 + 1); - } - else if (inst0->header.opcode == BRW_OPCODE_CONTINUE && - inst0->bits3.if_else.jump_count == 0) { - inst0->bits3.if_else.jump_count = br * (inst1 - inst0); - } - } - } + inst0->bits3.if_else.jump_count = br * (inst1 - inst0 + 1); + } else if (inst0->header.opcode == BRW_OPCODE_CONTINUE && + inst0->bits3.if_else.jump_count == 0) { + inst0->bits3.if_else.jump_count = br * (inst1 - inst0); + } + } + } + } break; + case OPCODE_BRA: brw_set_predicate_control(p, get_predicate(inst)); brw_ADD(p, brw_ip_reg(), brw_ip_reg(), brw_imm_d(1*16)); @@ -2151,6 +2158,7 @@ void brw_vs_emit(struct brw_vs_compile *c ) } brw_resolve_cals(p); + brw_set_uip_jip(p); brw_optimize(p); -- 2.30.2