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| author | Dave Airlie <airlied@redhat.com> | 2015-02-09 16:53:10 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-02-20 08:58:06 +1000 |
| commit | 2e9f4eadfbe8e1eae657c268cb31515a872eceb4 (patch) | |
| tree | 42923d71577fd4248d2e85f6d887b90c5530eba3 /src/glsl/lower_instructions.cpp | |
| parent | 0e82817247810d2aff29d8e3e9c633520924fd4a (diff) | |
| download | external_mesa3d-2e9f4eadfbe8e1eae657c268cb31515a872eceb4.zip external_mesa3d-2e9f4eadfbe8e1eae657c268cb31515a872eceb4.tar.gz external_mesa3d-2e9f4eadfbe8e1eae657c268cb31515a872eceb4.tar.bz2 | |
glsl: add lowering for double divide to rcp/mul
It looks like no hw does div anyways, so we should just
lower at the GLSL level.
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'src/glsl/lower_instructions.cpp')
| -rw-r--r-- | src/glsl/lower_instructions.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/glsl/lower_instructions.cpp b/src/glsl/lower_instructions.cpp index e8a69e7..4779de0 100644 --- a/src/glsl/lower_instructions.cpp +++ b/src/glsl/lower_instructions.cpp @@ -199,7 +199,7 @@ lower_instructions_visitor::sub_to_add_neg(ir_expression *ir) void lower_instructions_visitor::div_to_mul_rcp(ir_expression *ir) { - assert(ir->operands[1]->type->is_float()); + assert(ir->operands[1]->type->is_float() || ir->operands[1]->type->is_double()); /* New expression for the 1.0 / op1 */ ir_rvalue *expr; @@ -327,7 +327,7 @@ lower_instructions_visitor::mod_to_floor(ir_expression *ir) /* Don't generate new IR that would need to be lowered in an additional * pass. */ - if (lowering(DIV_TO_MUL_RCP) && ir->type->is_float()) + if (lowering(DIV_TO_MUL_RCP) && (ir->type->is_float() || ir->type->is_double())) div_to_mul_rcp(div_expr); ir_expression *const floor_expr = @@ -1014,7 +1014,8 @@ lower_instructions_visitor::visit_leave(ir_expression *ir) case ir_binop_div: if (ir->operands[1]->type->is_integer() && lowering(INT_DIV_TO_MUL_RCP)) int_div_to_mul_rcp(ir); - else if (ir->operands[1]->type->is_float() && lowering(DIV_TO_MUL_RCP)) + else if ((ir->operands[1]->type->is_float() || + ir->operands[1]->type->is_double()) && lowering(DIV_TO_MUL_RCP)) div_to_mul_rcp(ir); break; |