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st/mesa: convert ir_triop_lrp to TGSI_OPCODE_LRP

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AFAICT, all gallium drivers implement TGSI_OPCODE_LRP.
Tested with softpipe, llvmpipe, svga drivers.

Reviewed-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Brian Paul 2013-03-01 15:16:15 -07:00
parent 7616586cff
commit f6c0612618
1 changed files with 4 additions and 1 deletions
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5
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -1942,6 +1942,10 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
}
break;
}
case ir_triop_lrp:
/* note: we have to reorder the three args here */
emit(ir, TGSI_OPCODE_LRP, result_dst, op[2], op[1], op[0]);
break;
case ir_unop_pack_snorm_2x16:
case ir_unop_pack_unorm_2x16:
case ir_unop_pack_half_2x16:
@ -5189,7 +5193,6 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
DIV_TO_MUL_RCP |
EXP_TO_EXP2 |
LOG_TO_LOG2 |
LRP_TO_ARITH |
(options->EmitNoPow ? POW_TO_EXP2 : 0) |
(!ctx->Const.NativeIntegers ? INT_DIV_TO_MUL_RCP : 0));