From c4285be9a5bd1adaa89050989374b95a9a601cdc Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Wed, 24 Nov 2010 22:21:10 -0800 Subject: glsl: Lower ir_binop_pow to a sequence of EXP2 and LOG2 --- src/mesa/main/mtypes.h | 1 + src/mesa/program/ir_to_mesa.cpp | 5 +++-- 2 files changed, 4 insertions(+), 2 deletions(-) (limited to 'src/mesa') diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 80c20e09d9..82495714f2 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -2197,6 +2197,7 @@ struct gl_shader_compiler_options GLboolean EmitNoCont; /**< Emit CONT opcode? */ GLboolean EmitNoMainReturn; /**< Emit CONT/RET opcodes? */ GLboolean EmitNoNoise; /**< Emit NOISE opcodes? */ + GLboolean EmitNoPow; /**< Emit POW opcodes? */ /** * \name Forms of indirect addressing the driver cannot do. diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp index d9d86b6c29..b274a961b2 100644 --- a/src/mesa/program/ir_to_mesa.cpp +++ b/src/mesa/program/ir_to_mesa.cpp @@ -2849,8 +2849,9 @@ _mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) /* Lowering */ do_mat_op_to_vec(ir); - lower_instructions(ir, MOD_TO_FRACT | DIV_TO_MUL_RCP | EXP_TO_EXP2 - | LOG_TO_LOG2); + lower_instructions(ir, (MOD_TO_FRACT | DIV_TO_MUL_RCP | EXP_TO_EXP2 + | LOG_TO_LOG2 + | ((options->EmitNoPow) ? POW_TO_EXP2 : 0))); progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress; -- cgit v1.2.3