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mesa: remove the UsesDFdy flag

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Seems the last user of this was removed in 08bc74e69.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Timothy Arceri
2016-10-05 15:28:50 +11:00
parent 556335eb99
commit 201f940d2e
5 changed files with 2 additions and 22 deletions
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19
src/compiler/glsl/ir_set_program_inouts.cpp
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@@ -26,8 +26,8 @@
*
* Sets the InputsRead and OutputsWritten of Mesa programs.
*
* Additionally, for fragment shaders, sets the InterpQualifier array, the
* IsCentroid and IsSample bitfields, and the UsesDFdy flag.
* Additionally, for fragment shaders, sets the InterpQualifier array, and the
* IsCentroid and IsSample bitfields.
*
* Mesa programs (gl_program, not gl_shader_program) have a set of
* flags indicating which varyings are read and written. Computing
@@ -58,7 +58,6 @@ public:
virtual ir_visitor_status visit_enter(ir_dereference_array *);
virtual ir_visitor_status visit_enter(ir_function_signature *);
virtual ir_visitor_status visit_enter(ir_expression *);
virtual ir_visitor_status visit_enter(ir_discard *);
virtual ir_visitor_status visit_enter(ir_texture *);
virtual ir_visitor_status visit(ir_dereference_variable *);
@@ -411,19 +410,6 @@ ir_set_program_inouts_visitor::visit_enter(ir_function_signature *ir)
return visit_continue_with_parent;
}
ir_visitor_status
ir_set_program_inouts_visitor::visit_enter(ir_expression *ir)
{
if (this->shader_stage == MESA_SHADER_FRAGMENT &&
(ir->operation == ir_unop_dFdy ||
ir->operation == ir_unop_dFdy_coarse ||
ir->operation == ir_unop_dFdy_fine)) {
gl_fragment_program *fprog = (gl_fragment_program *) prog;
fprog->UsesDFdy = true;
}
return visit_continue;
}
ir_visitor_status
ir_set_program_inouts_visitor::visit_enter(ir_discard *)
{
@@ -462,7 +448,6 @@ do_set_program_inouts(exec_list *instructions, struct gl_program *prog,
memset(fprog->InterpQualifier, 0, sizeof(fprog->InterpQualifier));
fprog->IsCentroid = 0;
fprog->IsSample = 0;
fprog->UsesDFdy = false;
fprog->UsesKill = false;
}
visit_list_elements(&v, instructions);