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Merge pull request #1388 from KhronosGroup/uint-sparse-residency-query

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GLSL: Support uint code for sparse residency query.
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Hans-Kristian Arntzen 2020-06-08 11:41:08 +02:00 committed by GitHub
commit bbefea2b02
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 81 additions and 1 deletions
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23
reference/shaders-no-opt/asm/frag/sparse-texture-feedback-uint-code.asm.desktop.frag Normal file
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@ -0,0 +1,23 @@
#version 450
#extension GL_ARB_sparse_texture2 : require
struct ResType
{
uint _m0;
vec4 _m1;
};
layout(binding = 0) uniform sampler2D uSamp;
layout(location = 0) in vec2 vUV;
void main()
{
uint _30;
vec4 _31;
_30 = sparseTextureARB(uSamp, vUV, _31);
ResType _26 = ResType(_30, _31);
vec4 texel = _26._m1;
bool ret = sparseTexelsResidentARB(int(_26._m0));
}

57
shaders-no-opt/asm/frag/sparse-texture-feedback-uint-code.asm.desktop.frag Normal file
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@ -0,0 +1,57 @@
; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 8
; Bound: 30
; Schema: 0
OpCapability Shader
OpCapability SparseResidency
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %vUV %FragColor
OpExecutionMode %main OriginUpperLeft
OpSource GLSL 450
OpSourceExtension "GL_ARB_sparse_texture2"
OpSourceExtension "GL_ARB_sparse_texture_clamp"
OpName %main "main"
OpName %ret "ret"
OpName %uSamp "uSamp"
OpName %vUV "vUV"
OpName %texel "texel"
OpName %ResType "ResType"
OpName %FragColor "FragColor"
OpDecorate %uSamp DescriptorSet 0
OpDecorate %uSamp Binding 0
OpDecorate %vUV Location 0
OpDecorate %FragColor Location 0
%void = OpTypeVoid
%3 = OpTypeFunction %void
%bool = OpTypeBool
%_ptr_Function_bool = OpTypePointer Function %bool
%float = OpTypeFloat 32
%10 = OpTypeImage %float 2D 0 0 0 1 Unknown
%11 = OpTypeSampledImage %10
%_ptr_UniformConstant_11 = OpTypePointer UniformConstant %11
%uSamp = OpVariable %_ptr_UniformConstant_11 UniformConstant
%v2float = OpTypeVector %float 2
%_ptr_Input_v2float = OpTypePointer Input %v2float
%vUV = OpVariable %_ptr_Input_v2float Input
%v4float = OpTypeVector %float 4
%_ptr_Function_v4float = OpTypePointer Function %v4float
%uint = OpTypeInt 32 0
%ResType = OpTypeStruct %uint %v4float
%_ptr_Output_v4float = OpTypePointer Output %v4float
%FragColor = OpVariable %_ptr_Output_v4float Output
%main = OpFunction %void None %3
%5 = OpLabel
%ret = OpVariable %_ptr_Function_bool Function
%texel = OpVariable %_ptr_Function_v4float Function
%14 = OpLoad %11 %uSamp
%18 = OpLoad %v2float %vUV
%24 = OpImageSparseSampleImplicitLod %ResType %14 %18
%25 = OpCompositeExtract %v4float %24 1
OpStore %texel %25
%26 = OpCompositeExtract %uint %24 0
%27 = OpImageSparseTexelsResident %bool %26
OpStore %ret %27
OpReturn
OpFunctionEnd

2
spirv_glsl.cpp
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@ -10217,7 +10217,7 @@ void CompilerGLSL::emit_instruction(const Instruction &instruction)
if (options.es)
SPIRV_CROSS_THROW("Sparse feedback is not supported in GLSL.");
require_extension_internal("GL_ARB_sparse_texture2");
GLSL_UFOP(sparseTexelsResidentARB);
emit_unary_func_op_cast(ops[0], ops[1], ops[2], "sparseTexelsResidentARB", int_type, SPIRType::Boolean);
break;
case OpImage: