From ead2ea89f42b40edc56ddf8c6ce1df4efdcefe2a Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Thu, 25 Nov 2010 03:13:36 -0800 Subject: [PATCH] ir_to_mesa: Add support for conditional discards. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit NOTE: This is a candidate for the 7.9 branch. Signed-off-by: Marek Olšák Signed-off-by: Kenneth Graunke --- src/mesa/program/ir_to_mesa.cpp | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp index 8f75c82..5dd602f 100644 --- a/src/mesa/program/ir_to_mesa.cpp +++ b/src/mesa/program/ir_to_mesa.cpp @@ -2166,9 +2166,14 @@ ir_to_mesa_visitor::visit(ir_discard *ir) { struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog; - assert(ir->condition == NULL); /* FINISHME */ + if (ir->condition) { + ir->condition->accept(this); + this->result.negate = ~this->result.negate; + ir_to_mesa_emit_op1(ir, OPCODE_KIL, ir_to_mesa_undef_dst, this->result); + } else { + ir_to_mesa_emit_op0(ir, OPCODE_KIL_NV); + } - ir_to_mesa_emit_op0(ir, OPCODE_KIL_NV); fp->UsesKill = GL_TRUE; } -- 2.7.4