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mesa: hook up core bits of GL_ARB_shader_group_vote

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Ilia Mirkin
2016-05-29 10:49:03 -04:00
parent 13b859de04
commit 5189f0243a
12 changed files with 67 additions and 1 deletions
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22
src/compiler/glsl/builtin_functions.cpp
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@@ -528,6 +528,12 @@ barrier_supported(const _mesa_glsl_parse_state *state)
state->stage == MESA_SHADER_TESS_CTRL;
}
static bool
vote(const _mesa_glsl_parse_state *state)
{
return state->ARB_shader_group_vote_enable;
}
/** @} */
/******************************************************************************/
@@ -853,6 +859,8 @@ private:
ir_function_signature *_shader_clock(builtin_available_predicate avail,
const glsl_type *type);
ir_function_signature *_vote(enum ir_expression_operation opcode);
#undef B0
#undef B1
#undef B2
@@ -2935,6 +2943,10 @@ builtin_builder::create_builtins()
glsl_type::uvec2_type),
NULL);
add_function("anyInvocationARB", _vote(ir_unop_vote_any), NULL);
add_function("allInvocationsARB", _vote(ir_unop_vote_all), NULL);
add_function("allInvocationsEqualARB", _vote(ir_unop_vote_eq), NULL);
#undef F
#undef FI
#undef FIUD
@@ -5576,6 +5588,16 @@ builtin_builder::_shader_clock(builtin_available_predicate avail,
return sig;
}
ir_function_signature *
builtin_builder::_vote(enum ir_expression_operation opcode)
{
ir_variable *value = in_var(glsl_type::bool_type, "value");
MAKE_SIG(glsl_type::bool_type, vote, 1, value);
body.emit(ret(expr(opcode, value)));
return sig;
}
/** @} */
/******************************************************************************/

3
src/compiler/glsl/glcpp/glcpp-parse.y
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@@ -2467,6 +2467,9 @@ _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, intmax_t versio
if (extensions->ARB_cull_distance)
add_builtin_define(parser, "GL_ARB_cull_distance", 1);
if (extensions->ARB_shader_group_vote)
add_builtin_define(parser, "GL_ARB_shader_group_vote", 1);
}
}

1
src/compiler/glsl/glsl_parser_extras.cpp
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@@ -594,6 +594,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = {
EXT(ARB_shader_bit_encoding, true, false, ARB_shader_bit_encoding),
EXT(ARB_shader_clock, true, false, ARB_shader_clock),
EXT(ARB_shader_draw_parameters, true, false, ARB_shader_draw_parameters),
EXT(ARB_shader_group_vote, true, false, ARB_shader_group_vote),
EXT(ARB_shader_image_load_store, true, false, ARB_shader_image_load_store),
EXT(ARB_shader_image_size, true, false, ARB_shader_image_size),
EXT(ARB_shader_precision, true, false, ARB_shader_precision),

2
src/compiler/glsl/glsl_parser_extras.h
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@@ -575,6 +575,8 @@ struct _mesa_glsl_parse_state {
bool ARB_shader_clock_warn;
bool ARB_shader_draw_parameters_enable;
bool ARB_shader_draw_parameters_warn;
bool ARB_shader_group_vote_enable;
bool ARB_shader_group_vote_warn;
bool ARB_shader_image_load_store_enable;
bool ARB_shader_image_load_store_warn;
bool ARB_shader_image_size_enable;

9
src/compiler/glsl/ir.cpp
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@@ -341,6 +341,12 @@ ir_expression::ir_expression(int op, ir_rvalue *op0)
this->type = glsl_type::int_type;
break;
case ir_unop_vote_any:
case ir_unop_vote_all:
case ir_unop_vote_eq:
this->type = glsl_type::bool_type;
break;
default:
assert(!"not reached: missing automatic type setup for ir_expression");
this->type = op0->type;
@@ -563,6 +569,9 @@ static const char *const operator_strs[] = {
"interpolate_at_centroid",
"get_buffer_size",
"ssbo_unsized_array_length",
"vote_any",
"vote_all",
"vote_eq",
"+",
"-",
"*",

9
src/compiler/glsl/ir.h
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@@ -1481,10 +1481,17 @@ enum ir_expression_operation {
*/
ir_unop_ssbo_unsized_array_length,
/**
* Vote among threads on the value of the boolean argument.
*/
ir_unop_vote_any,
ir_unop_vote_all,
ir_unop_vote_eq,
/**
* A sentinel marking the last of the unary operations.
*/
ir_last_unop = ir_unop_ssbo_unsized_array_length,
ir_last_unop = ir_unop_vote_eq,
ir_binop_add,
ir_binop_sub,

8
src/compiler/glsl/ir_validate.cpp
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@@ -453,6 +453,14 @@ ir_validate::visit_leave(ir_expression *ir)
assert(ir->operands[0]->type->base_type == GLSL_TYPE_SUBROUTINE);
assert(ir->type->base_type == GLSL_TYPE_INT);
break;
case ir_unop_vote_any:
case ir_unop_vote_all:
case ir_unop_vote_eq:
assert(ir->type == glsl_type::bool_type);
assert(ir->operands[0]->type == glsl_type::bool_type);
break;
case ir_binop_add:
case ir_binop_sub:
case ir_binop_mul:

5
src/mesa/drivers/dri/i965/brw_fs_channel_expressions.cpp
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@@ -433,6 +433,11 @@ ir_channel_expressions_visitor::visit_leave(ir_assignment *ir)
case ir_unop_frexp_sig:
case ir_unop_frexp_exp:
unreachable("should have been lowered by lower_instructions");
case ir_unop_vote_any:
case ir_unop_vote_all:
case ir_unop_vote_eq:
unreachable("unsupported");
}
ir->remove();

1
src/mesa/main/extensions_table.h
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@@ -105,6 +105,7 @@ EXT(ARB_shader_atomic_counters , ARB_shader_atomic_counters
EXT(ARB_shader_bit_encoding , ARB_shader_bit_encoding , GLL, GLC, x , x , 2010)
EXT(ARB_shader_clock , ARB_shader_clock , GLL, GLC, x , x , 2015)
EXT(ARB_shader_draw_parameters , ARB_shader_draw_parameters , GLL, GLC, x , x , 2013)
EXT(ARB_shader_group_vote , ARB_shader_group_vote , GLL, GLC, x , x , 2013)
EXT(ARB_shader_image_load_store , ARB_shader_image_load_store , GLL, GLC, x , x , 2011)
EXT(ARB_shader_image_size , ARB_shader_image_size , GLL, GLC, x , x , 2012)
EXT(ARB_shader_objects , dummy_true , GLL, GLC, x , x , 2002)

1
src/mesa/main/mtypes.h
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@@ -3834,6 +3834,7 @@ struct gl_extensions
GLboolean ARB_shader_bit_encoding;
GLboolean ARB_shader_clock;
GLboolean ARB_shader_draw_parameters;
GLboolean ARB_shader_group_vote;
GLboolean ARB_shader_image_load_store;
GLboolean ARB_shader_image_size;
GLboolean ARB_shader_precision;

3
src/mesa/program/ir_to_mesa.cpp
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@@ -1375,6 +1375,9 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
case ir_unop_dFdy_fine:
case ir_unop_subroutine_to_int:
case ir_unop_get_buffer_size:
case ir_unop_vote_any:
case ir_unop_vote_all:
case ir_unop_vote_eq:
assert(!"not supported");
break;

4
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@@ -2251,6 +2251,10 @@ glsl_to_tgsi_visitor::visit_expression(ir_expression* ir, st_src_reg *op)
case ir_binop_carry:
case ir_binop_borrow:
case ir_unop_ssbo_unsized_array_length:
case ir_unop_vote_any:
case ir_unop_vote_all:
case ir_unop_vote_eq:
/* This operation is not supported, or should have already been handled.
*/
assert(!"Invalid ir opcode in glsl_to_tgsi_visitor::visit()");