Merge pull request #1805 from KhronosGroup/fix-1776

Handle Modf/Frexp in more cases.
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Hans-Kristian Arntzen 2021-11-07 12:36:42 +01:00 committed by GitHub
commit f1d4aff85e
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12 changed files with 295 additions and 0 deletions

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@ -0,0 +1,24 @@
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct main0_out
{
float4 vo0 [[color(0)]];
float4 vo1 [[color(1)]];
};
struct main0_in
{
float4 v [[user(locn0)]];
};
fragment main0_out main0(main0_in in [[stage_in]])
{
main0_out out = {};
float4 _25 = modf(in.v, out.vo1);
out.vo0 = _25;
return out;
}

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@ -0,0 +1,18 @@
#version 450
layout(location = 0) in vec4 v;
layout(location = 0) out vec4 vo0;
layout(location = 1) out vec4 vo1;
void main()
{
vec4 param;
vec4 _59 = modf(v, param);
vo0 = _59;
vo1 = param;
vec4 param_1 = param;
float _65 = modf(v.x, param_1.x);
vo0.x += _65;
vo1.x += param_1.x;
}

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@ -0,0 +1,17 @@
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct main0_out
{
float4 _GLF_color [[color(0)]];
};
fragment main0_out main0()
{
main0_out out = {};
float4 _13 = modf(float4(1.0, 0.0, 0.0, 1.0), out._GLF_color);
return out;
}

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@ -0,0 +1,33 @@
#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct main0_out
{
float4 vo0 [[color(0)]];
float4 vo1 [[color(1)]];
};
struct main0_in
{
float4 v [[user(locn0)]];
};
static inline __attribute__((always_inline))
float4 modf_inner(thread float4& v, thread float4& vo1)
{
float4 _16 = modf(v, vo1);
return _16;
}
fragment main0_out main0(main0_in in [[stage_in]])
{
main0_out out = {};
float4 _20 = modf_inner(in.v, out.vo1);
out.vo0 = _20;
return out;
}

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@ -0,0 +1,18 @@
#version 450
layout(location = 0) in vec4 v;
layout(location = 1) out vec4 vo1;
layout(location = 0) out vec4 vo0;
vec4 modf_inner()
{
vec4 _16 = modf(v, vo1);
return _16;
}
void main()
{
vec4 _20 = modf_inner();
vo0 = _20;
}

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@ -0,0 +1,32 @@
#version 450
layout(location = 0) in vec4 v;
layout(location = 0) out vec4 vo0;
layout(location = 1) out vec4 vo1;
vec4 modf_inner(out vec4 tmp)
{
vec4 _20 = modf(v, tmp);
return _20;
}
float modf_inner_partial(inout vec4 tmp)
{
float _30 = modf(v.x, tmp.x);
return _30;
}
void main()
{
vec4 param;
vec4 _37 = modf_inner(param);
vec4 tmp = param;
vo0 = _37;
vo1 = tmp;
vec4 param_1 = tmp;
float _43 = modf_inner_partial(param_1);
tmp = param_1;
vo0.x += _43;
vo1.x += tmp.x;
}

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@ -0,0 +1,28 @@
; SPIR-V
; Version: 1.0
; Generator: Khronos SPIR-V Tools Assembler; 0
; Bound: 14
; Schema: 0
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %_GLF_color
OpExecutionMode %main OriginUpperLeft
OpSource ESSL 310
OpName %main "main"
OpName %_GLF_color "_GLF_color"
OpDecorate %_GLF_color Location 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%float_1 = OpConstant %float 1
%float_0 = OpConstant %float 0
%10 = OpConstantComposite %v4float %float_1 %float_0 %float_0 %float_1
%_ptr_Output_v4float = OpTypePointer Output %v4float
%_GLF_color = OpVariable %_ptr_Output_v4float Output
%main = OpFunction %void None %3
%5 = OpLabel
%13 = OpExtInst %v4float %1 Modf %10 %_GLF_color
OpReturn
OpFunctionEnd

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@ -0,0 +1,15 @@
#version 450
layout(location = 0) in vec4 v;
layout(location = 0) out vec4 vo0;
layout(location = 1) out vec4 vo1;
vec4 modf_inner()
{
return modf(v, vo1);
}
void main()
{
vo0 = modf_inner();
}

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@ -0,0 +1,15 @@
#version 450
layout(location = 0) in vec4 v;
layout(location = 0) out vec4 vo0;
layout(location = 1) out vec4 vo1;
vec4 modf_inner()
{
return modf(v, vo1);
}
void main()
{
vo0 = modf_inner();
}

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@ -0,0 +1,25 @@
#version 450
layout(location = 0) in vec4 v;
layout(location = 0) out vec4 vo0;
layout(location = 1) out vec4 vo1;
vec4 modf_inner(out vec4 tmp)
{
return modf(v, tmp);
}
float modf_inner_partial(inout vec4 tmp)
{
return modf(v.x, tmp.x);
}
void main()
{
vec4 tmp;
vo0 = modf_inner(tmp);
vo1 = tmp;
vo0.x += modf_inner_partial(tmp);
vo1.x += tmp.x;
}

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@ -181,6 +181,30 @@ bool Compiler::block_is_pure(const SPIRBlock &block)
// This is a global side effect of the function.
return false;
case OpExtInst:
{
uint32_t extension_set = ops[2];
if (get<SPIRExtension>(extension_set).ext == SPIRExtension::GLSL)
{
auto op_450 = static_cast<GLSLstd450>(ops[3]);
switch (op_450)
{
case GLSLstd450Modf:
case GLSLstd450Frexp:
{
auto &type = expression_type(ops[5]);
if (type.storage != StorageClassFunction)
return false;
break;
}
default:
break;
}
}
break;
}
default:
break;
}
@ -716,6 +740,15 @@ bool Compiler::InterfaceVariableAccessHandler::handle(Op opcode, const uint32_t
break;
}
case GLSLstd450Modf:
case GLSLstd450Fract:
{
auto *var = compiler.maybe_get<SPIRVariable>(args[5]);
if (var && storage_class_is_interface(var->storage))
variables.insert(args[5]);
break;
}
default:
break;
}
@ -3290,6 +3323,33 @@ bool Compiler::AnalyzeVariableScopeAccessHandler::handle(spv::Op op, const uint3
for (uint32_t i = 4; i < length; i++)
notify_variable_access(args[i], current_block->self);
notify_variable_access(args[1], current_block->self);
uint32_t extension_set = args[2];
if (compiler.get<SPIRExtension>(extension_set).ext == SPIRExtension::GLSL)
{
auto op_450 = static_cast<GLSLstd450>(args[3]);
switch (op_450)
{
case GLSLstd450Modf:
case GLSLstd450Frexp:
{
uint32_t ptr = args[5];
auto *var = compiler.maybe_get_backing_variable(ptr);
if (var)
{
accessed_variables_to_block[var->self].insert(current_block->self);
if (var->self == ptr)
complete_write_variables_to_block[var->self].insert(current_block->self);
else
partial_write_variables_to_block[var->self].insert(current_block->self);
}
break;
}
default:
break;
}
}
break;
}

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@ -1710,6 +1710,16 @@ void CompilerMSL::extract_global_variables_from_function(uint32_t func_id, std::
added_arg_ids.insert(stage_in_var_id);
break;
}
case GLSLstd450Modf:
case GLSLstd450Frexp:
{
uint32_t base_id = ops[5];
if (global_var_ids.find(base_id) != global_var_ids.end())
added_arg_ids.insert(base_id);
break;
}
default:
break;
}