Mesa (master): ir_to_mesa: Emit TXD instruction.
Kenneth Graunke
kwg at kemper.freedesktop.org
Mon May 9 18:23:50 UTC 2011
Module: Mesa
Branch: master
Commit: 68074387a4af74e1b1b42908b23a4a7ca2c1efa4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=68074387a4af74e1b1b42908b23a4a7ca2c1efa4
Author: Kenneth Graunke <kenneth at whitecape.org>
Date: Mon Jan 31 16:15:33 2011 -0800
ir_to_mesa: Emit TXD instruction.
Mesa already supports this because of NV_fragment_program.
Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Tested-by: Marek Olšák <maraeo at gmail.com>
---
src/mesa/program/ir_to_mesa.cpp | 13 +++++++++++--
1 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index bc10b45..510aeab 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -1966,7 +1966,7 @@ ir_to_mesa_visitor::visit(ir_call *ir)
void
ir_to_mesa_visitor::visit(ir_texture *ir)
{
- src_reg result_src, coord, lod_info, projector;
+ src_reg result_src, coord, lod_info, projector, dx, dy;
dst_reg result_dst, coord_dst;
ir_to_mesa_instruction *inst = NULL;
prog_opcode opcode = OPCODE_NOP;
@@ -2008,6 +2008,12 @@ ir_to_mesa_visitor::visit(ir_texture *ir)
lod_info = this->result;
break;
case ir_txd:
+ opcode = OPCODE_TXD;
+ ir->lod_info.grad.dPdx->accept(this);
+ dx = this->result;
+ ir->lod_info.grad.dPdy->accept(this);
+ dy = this->result;
+ break;
case ir_txf:
assert(!"GLSL 1.30 features unsupported");
break;
@@ -2080,7 +2086,10 @@ ir_to_mesa_visitor::visit(ir_texture *ir)
coord_dst.writemask = WRITEMASK_XYZW;
}
- inst = emit(ir, opcode, result_dst, coord);
+ if (opcode == OPCODE_TXD)
+ inst = emit(ir, opcode, result_dst, coord, dx, dy);
+ else
+ inst = emit(ir, opcode, result_dst, coord);
if (ir->shadow_comparitor)
inst->tex_shadow = GL_TRUE;
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