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-rw-r--r--src/compiler/glsl/ir_set_program_inouts.cpp19
-rw-r--r--src/mesa/main/mtypes.h1
-rw-r--r--src/mesa/program/arbprogparse.c1
-rw-r--r--src/mesa/program/program_parse.y2
-rw-r--r--src/mesa/program/program_parser.h1
5 files changed, 2 insertions, 22 deletions
diff --git a/src/compiler/glsl/ir_set_program_inouts.cpp b/src/compiler/glsl/ir_set_program_inouts.cpp
index 48ed3c5c9e2..f5b36df680d 100644
--- a/src/compiler/glsl/ir_set_program_inouts.cpp
+++ b/src/compiler/glsl/ir_set_program_inouts.cpp
@@ -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 *);
@@ -412,19 +411,6 @@ ir_set_program_inouts_visitor::visit_enter(ir_function_signature *ir)
}
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 *)
{
/* discards are only allowed in fragment shaders. */
@@ -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);
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index b279fc4c6df..d494872eef9 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2039,7 +2039,6 @@ struct gl_fragment_program
{
struct gl_program Base; /**< base class */
GLboolean UsesKill; /**< shader uses KIL instruction */
- GLboolean UsesDFdy; /**< shader uses DDY instruction */
GLboolean OriginUpperLeft;
GLboolean PixelCenterInteger;
enum gl_frag_depth_layout FragDepthLayout;
diff --git a/src/mesa/program/arbprogparse.c b/src/mesa/program/arbprogparse.c
index 3ddaeca8a71..b7bddfe270f 100644
--- a/src/mesa/program/arbprogparse.c
+++ b/src/mesa/program/arbprogparse.c
@@ -120,7 +120,6 @@ _mesa_parse_arb_fragment_program(struct gl_context* ctx, GLenum target,
program->PixelCenterInteger = state.option.PixelCenterInteger;
program->UsesKill = state.fragment.UsesKill;
- program->UsesDFdy = state.fragment.UsesDFdy;
free(program->Base.Instructions);
program->Base.Instructions = prog.Instructions;
diff --git a/src/mesa/program/program_parse.y b/src/mesa/program/program_parse.y
index ad94fe032bc..fc8eed75593 100644
--- a/src/mesa/program/program_parse.y
+++ b/src/mesa/program/program_parse.y
@@ -388,8 +388,6 @@ ARL_instruction: ARL maskedAddrReg ',' scalarSrcReg
VECTORop_instruction: VECTOR_OP maskedDstReg ',' swizzleSrcReg
{
- if ($1.Opcode == OPCODE_DDY)
- state->fragment.UsesDFdy = 1;
$$ = asm_instruction_copy_ctor(& $1, & $2, & $4, NULL, NULL);
}
;
diff --git a/src/mesa/program/program_parser.h b/src/mesa/program/program_parser.h
index af7b2a0be3e..05ceb92dfab 100644
--- a/src/mesa/program/program_parser.h
+++ b/src/mesa/program/program_parser.h
@@ -213,7 +213,6 @@ struct asm_parser_state {
struct {
unsigned UsesKill:1;
- unsigned UsesDFdy:1;
} fragment;
};