From 3e2b6a204966b962c9881e90fe3f0b74cf84d8c4 Mon Sep 17 00:00:00 2001 From: "Xiang, Haihao" Date: Thu, 30 Jul 2009 14:45:11 +0800 Subject: i965: Postpone ff_sync message in CLIP kernel on IGDNG In addition, it guarantees ff_sync message is issued --- src/mesa/drivers/dri/i965/brw_clip_util.c | 48 +++++++++++++++++++++++-------- 1 file changed, 36 insertions(+), 12 deletions(-) (limited to 'src/mesa/drivers/dri/i965/brw_clip_util.c') diff --git a/src/mesa/drivers/dri/i965/brw_clip_util.c b/src/mesa/drivers/dri/i965/brw_clip_util.c index e09efc07ed..5a73abdfee 100644 --- a/src/mesa/drivers/dri/i965/brw_clip_util.c +++ b/src/mesa/drivers/dri/i965/brw_clip_util.c @@ -213,6 +213,8 @@ void brw_clip_emit_vue(struct brw_clip_compile *c, struct brw_compile *p = &c->func; GLuint start = c->last_mrf; + brw_clip_ff_sync(c); + assert(!(allocate && eot)); /* Cycle through mrf regs - probably futile as we have to wait for @@ -263,6 +265,7 @@ void brw_clip_kill_thread(struct brw_clip_compile *c) { struct brw_compile *p = &c->func; + brw_clip_ff_sync(c); /* Send an empty message to kill the thread and release any * allocated urb entry: */ @@ -356,17 +359,38 @@ void brw_clip_init_clipmask( struct brw_clip_compile *c ) void brw_clip_ff_sync(struct brw_clip_compile *c) { + if (c->need_ff_sync) { + struct brw_compile *p = &c->func; + struct brw_instruction *need_ff_sync; + + brw_set_conditionalmod(p, BRW_CONDITIONAL_Z); + brw_AND(p, brw_null_reg(), c->reg.ff_sync, brw_imm_ud(0x1)); + need_ff_sync = brw_IF(p, BRW_EXECUTE_1); + { + brw_OR(p, c->reg.ff_sync, c->reg.ff_sync, brw_imm_ud(0x1)); + brw_ff_sync(p, + c->reg.R0, + 0, + c->reg.R0, + 1, + 1, /* used */ + 1, /* msg length */ + 1, /* response length */ + 0, /* eot */ + 1, /* write compelete */ + 0, /* urb offset */ + BRW_URB_SWIZZLE_NONE); + } + brw_ENDIF(p, need_ff_sync); + brw_set_predicate_control(p, BRW_PREDICATE_NONE); + } +} + +void brw_clip_init_ff_sync(struct brw_clip_compile *c) +{ + if (c->need_ff_sync) { struct brw_compile *p = &c->func; - brw_ff_sync(p, - c->reg.R0, - 0, - c->reg.R0, - 1, - 1, /* used */ - 1, /* msg length */ - 1, /* response length */ - 0, /* eot */ - 1, /* write compelete */ - 0, /* urb offset */ - BRW_URB_SWIZZLE_NONE); + + brw_MOV(p, c->reg.ff_sync, brw_imm_ud(0)); + } } -- cgit v1.2.3