From: Antia Puentes Date: Tue, 16 Jun 2015 22:04:09 +0000 (+0200) Subject: i965/vec4: Return the last emitted instruction in emit_math() X-Git-Tag: upstream/17.1.0~17158 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=068a41b349e8bc30293c44d96553184f7562949f;p=platform%2Fupstream%2Fmesa.git i965/vec4: Return the last emitted instruction in emit_math() Needed in the NIR backend to set the "saturate" value of the instruction. Reviewed-by: Jason Ekstrand --- diff --git a/src/mesa/drivers/dri/i965/brw_vec4.h b/src/mesa/drivers/dri/i965/brw_vec4.h index b6ae926..285e2ee 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4.h +++ b/src/mesa/drivers/dri/i965/brw_vec4.h @@ -321,8 +321,9 @@ public: src_reg fix_3src_operand(src_reg src); - void emit_math(enum opcode opcode, const dst_reg &dst, const src_reg &src0, - const src_reg &src1 = src_reg()); + vec4_instruction *emit_math(enum opcode opcode, const dst_reg &dst, const src_reg &src0, + const src_reg &src1 = src_reg()); + src_reg fix_math_operand(src_reg src); void emit_pack_half_2x16(dst_reg dst, src_reg src0); diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp index 8fa1e8d..fa97931 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp @@ -338,7 +338,7 @@ vec4_visitor::fix_math_operand(src_reg src) return src_reg(expanded); } -void +vec4_instruction * vec4_visitor::emit_math(enum opcode opcode, const dst_reg &dst, const src_reg &src0, const src_reg &src1) @@ -350,11 +350,13 @@ vec4_visitor::emit_math(enum opcode opcode, /* MATH on Gen6 must be align1, so we can't do writemasks. */ math->dst = dst_reg(this, glsl_type::vec4_type); math->dst.type = dst.type; - emit(MOV(dst, src_reg(math->dst))); + math = emit(MOV(dst, src_reg(math->dst))); } else if (devinfo->gen < 6) { math->base_mrf = 1; math->mlen = src1.file == BAD_FILE ? 1 : 2; } + + return math; } void