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GLSLCompiler/glsl2spv.cpp
hyzboy 63845a4250 set defaultVersion to 110
2020-09-03 16:53:22 +08:00

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#include<glslang/SPIRV/GlslangToSpv.h>
#include<glslang/Include/ResourceLimits.h>
#include"SPIRV-Cross/spirv_common.hpp"
#include"VKShaderParse.h"
#include<vector>
#include<iostream>
typedef enum VkShaderStageFlagBits {
VK_SHADER_STAGE_VERTEX_BIT = 0x00000001,
VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT = 0x00000002,
VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT = 0x00000004,
VK_SHADER_STAGE_GEOMETRY_BIT = 0x00000008,
VK_SHADER_STAGE_FRAGMENT_BIT = 0x00000010,
VK_SHADER_STAGE_COMPUTE_BIT = 0x00000020,
VK_SHADER_STAGE_ALL_GRAPHICS = 0x0000001F,
VK_SHADER_STAGE_ALL = 0x7FFFFFFF,
VK_SHADER_STAGE_RAYGEN_BIT_KHR = 0x00000100,
VK_SHADER_STAGE_ANY_HIT_BIT_KHR = 0x00000200,
VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR = 0x00000400,
VK_SHADER_STAGE_MISS_BIT_KHR = 0x00000800,
VK_SHADER_STAGE_INTERSECTION_BIT_KHR = 0x00001000,
VK_SHADER_STAGE_CALLABLE_BIT_KHR = 0x00002000,
VK_SHADER_STAGE_TASK_BIT_NV = 0x00000040,
VK_SHADER_STAGE_MESH_BIT_NV = 0x00000080,
VK_SHADER_STAGE_RAYGEN_BIT_NV = VK_SHADER_STAGE_RAYGEN_BIT_KHR,
VK_SHADER_STAGE_ANY_HIT_BIT_NV = VK_SHADER_STAGE_ANY_HIT_BIT_KHR,
VK_SHADER_STAGE_CLOSEST_HIT_BIT_NV = VK_SHADER_STAGE_CLOSEST_HIT_BIT_KHR,
VK_SHADER_STAGE_MISS_BIT_NV = VK_SHADER_STAGE_MISS_BIT_KHR,
VK_SHADER_STAGE_INTERSECTION_BIT_NV = VK_SHADER_STAGE_INTERSECTION_BIT_KHR,
VK_SHADER_STAGE_CALLABLE_BIT_NV = VK_SHADER_STAGE_CALLABLE_BIT_KHR,
VK_SHADER_STAGE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF
} VkShaderStageFlagBits;
typedef enum VkDescriptorType {
VK_DESCRIPTOR_TYPE_SAMPLER = 0,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER = 1,
VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE = 2,
VK_DESCRIPTOR_TYPE_STORAGE_IMAGE = 3,
VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER = 4,
VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER = 5,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER = 6,
VK_DESCRIPTOR_TYPE_STORAGE_BUFFER = 7,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC = 8,
VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC = 9,
VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT = 10,
VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK_EXT = 1000138000,
VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR = 1000165000,
VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_NV = VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR,
VK_DESCRIPTOR_TYPE_MAX_ENUM = 0x7FFFFFFF
} VkDescriptorType;
constexpr uint32_t VK_DESCRIPTOR_TYPE_COUNT =VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT
-VK_DESCRIPTOR_TYPE_SAMPLER
+1;
static TBuiltInResource default_build_in_resource;
void init_default_build_in_resource()
{
default_build_in_resource.maxLights = 32;
default_build_in_resource.maxClipPlanes = 6;
default_build_in_resource.maxTextureUnits = 32;
default_build_in_resource.maxTextureCoords = 32;
default_build_in_resource.maxVertexAttribs = 64;
default_build_in_resource.maxVertexUniformComponents = 4096;
default_build_in_resource.maxVaryingFloats = 64;
default_build_in_resource.maxVertexTextureImageUnits = 32;
default_build_in_resource.maxCombinedTextureImageUnits = 80;
default_build_in_resource.maxTextureImageUnits = 32;
default_build_in_resource.maxFragmentUniformComponents = 4096;
default_build_in_resource.maxDrawBuffers = 32;
default_build_in_resource.maxVertexUniformVectors = 128;
default_build_in_resource.maxVaryingVectors = 8;
default_build_in_resource.maxFragmentUniformVectors = 16;
default_build_in_resource.maxVertexOutputVectors = 16;
default_build_in_resource.maxFragmentInputVectors = 15;
default_build_in_resource.minProgramTexelOffset = -8;
default_build_in_resource.maxProgramTexelOffset = 7;
default_build_in_resource.maxClipDistances = 8;
default_build_in_resource.maxComputeWorkGroupCountX = 65535;
default_build_in_resource.maxComputeWorkGroupCountY = 65535;
default_build_in_resource.maxComputeWorkGroupCountZ = 65535;
default_build_in_resource.maxComputeWorkGroupSizeX = 1024;
default_build_in_resource.maxComputeWorkGroupSizeY = 1024;
default_build_in_resource.maxComputeWorkGroupSizeZ = 64;
default_build_in_resource.maxComputeUniformComponents = 1024;
default_build_in_resource.maxComputeTextureImageUnits = 16;
default_build_in_resource.maxComputeImageUniforms = 8;
default_build_in_resource.maxComputeAtomicCounters = 8;
default_build_in_resource.maxComputeAtomicCounterBuffers = 1;
default_build_in_resource.maxVaryingComponents = 60;
default_build_in_resource.maxVertexOutputComponents = 64;
default_build_in_resource.maxGeometryInputComponents = 64;
default_build_in_resource.maxGeometryOutputComponents = 128;
default_build_in_resource.maxFragmentInputComponents = 128;
default_build_in_resource.maxImageUnits = 8;
default_build_in_resource.maxCombinedImageUnitsAndFragmentOutputs = 8;
default_build_in_resource.maxCombinedShaderOutputResources = 8;
default_build_in_resource.maxImageSamples = 0;
default_build_in_resource.maxVertexImageUniforms = 0;
default_build_in_resource.maxTessControlImageUniforms = 0;
default_build_in_resource.maxTessEvaluationImageUniforms = 0;
default_build_in_resource.maxGeometryImageUniforms = 0;
default_build_in_resource.maxFragmentImageUniforms = 8;
default_build_in_resource.maxCombinedImageUniforms = 8;
default_build_in_resource.maxGeometryTextureImageUnits = 16;
default_build_in_resource.maxGeometryOutputVertices = 256;
default_build_in_resource.maxGeometryTotalOutputComponents = 1024;
default_build_in_resource.maxGeometryUniformComponents = 1024;
default_build_in_resource.maxGeometryVaryingComponents = 64;
default_build_in_resource.maxTessControlInputComponents = 128;
default_build_in_resource.maxTessControlOutputComponents = 128;
default_build_in_resource.maxTessControlTextureImageUnits = 16;
default_build_in_resource.maxTessControlUniformComponents = 1024;
default_build_in_resource.maxTessControlTotalOutputComponents = 4096;
default_build_in_resource.maxTessEvaluationInputComponents = 128;
default_build_in_resource.maxTessEvaluationOutputComponents = 128;
default_build_in_resource.maxTessEvaluationTextureImageUnits = 16;
default_build_in_resource.maxTessEvaluationUniformComponents = 1024;
default_build_in_resource.maxTessPatchComponents = 120;
default_build_in_resource.maxPatchVertices = 32;
default_build_in_resource.maxTessGenLevel = 64;
default_build_in_resource.maxViewports = 16;
default_build_in_resource.maxVertexAtomicCounters = 0;
default_build_in_resource.maxTessControlAtomicCounters = 0;
default_build_in_resource.maxTessEvaluationAtomicCounters = 0;
default_build_in_resource.maxGeometryAtomicCounters = 0;
default_build_in_resource.maxFragmentAtomicCounters = 8;
default_build_in_resource.maxCombinedAtomicCounters = 8;
default_build_in_resource.maxAtomicCounterBindings = 1;
default_build_in_resource.maxVertexAtomicCounterBuffers = 0;
default_build_in_resource.maxTessControlAtomicCounterBuffers = 0;
default_build_in_resource.maxTessEvaluationAtomicCounterBuffers = 0;
default_build_in_resource.maxGeometryAtomicCounterBuffers = 0;
default_build_in_resource.maxFragmentAtomicCounterBuffers = 1;
default_build_in_resource.maxCombinedAtomicCounterBuffers = 1;
default_build_in_resource.maxAtomicCounterBufferSize = 16384;
default_build_in_resource.maxTransformFeedbackBuffers = 4;
default_build_in_resource.maxTransformFeedbackInterleavedComponents = 64;
default_build_in_resource.maxCullDistances = 8;
default_build_in_resource.maxCombinedClipAndCullDistances = 8;
default_build_in_resource.maxSamples = 4;
default_build_in_resource.maxMeshOutputVerticesNV = 256;
default_build_in_resource.maxMeshOutputPrimitivesNV = 512;
default_build_in_resource.maxMeshWorkGroupSizeX_NV = 32;
default_build_in_resource.maxMeshWorkGroupSizeY_NV = 1;
default_build_in_resource.maxMeshWorkGroupSizeZ_NV = 1;
default_build_in_resource.maxTaskWorkGroupSizeX_NV = 32;
default_build_in_resource.maxTaskWorkGroupSizeY_NV = 1;
default_build_in_resource.maxTaskWorkGroupSizeZ_NV = 1;
default_build_in_resource.maxMeshViewCountNV = 4;
default_build_in_resource.limits.nonInductiveForLoops = 1;
default_build_in_resource.limits.whileLoops = 1;
default_build_in_resource.limits.doWhileLoops = 1;
default_build_in_resource.limits.generalUniformIndexing = 1;
default_build_in_resource.limits.generalAttributeMatrixVectorIndexing = 1;
default_build_in_resource.limits.generalVaryingIndexing = 1;
default_build_in_resource.limits.generalSamplerIndexing = 1;
default_build_in_resource.limits.generalVariableIndexing = 1;
default_build_in_resource.limits.generalConstantMatrixVectorIndexing = 1;
}
EShLanguage FindLanguage(const VkShaderStageFlagBits shader_type)
{
switch (shader_type)
{
case VK_SHADER_STAGE_VERTEX_BIT:
return EShLangVertex;
case VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT:
return EShLangTessControl;
case VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT:
return EShLangTessEvaluation;
case VK_SHADER_STAGE_GEOMETRY_BIT:
return EShLangGeometry;
case VK_SHADER_STAGE_FRAGMENT_BIT:
return EShLangFragment;
case VK_SHADER_STAGE_COMPUTE_BIT:
return EShLangCompute;
case VK_SHADER_STAGE_TASK_BIT_NV:
return EShLangTaskNV;
case VK_SHADER_STAGE_MESH_BIT_NV:
return EShLangMeshNV;
default:
return EShLangVertex;
}
}
extern "C"
{
bool InitShaderCompiler()
{
init_default_build_in_resource();
return glslang::InitializeProcess();
}
void CloseShaderCompiler()
{
glslang::FinalizeProcess();
}
enum class VertexAttribBaseType
{
Bool=0,
Int,
UInt,
Float,
Double,
MAX=0xff
};//enum class VertexAttribBaseType
VertexAttribBaseType FromSPIRType(const spirv_cross::SPIRType::BaseType type)
{
if(type==spirv_cross::SPIRType::BaseType::Boolean) return VertexAttribBaseType::Bool;
if(type==spirv_cross::SPIRType::BaseType::SByte
||type==spirv_cross::SPIRType::BaseType::Short
||type==spirv_cross::SPIRType::BaseType::Int
||type==spirv_cross::SPIRType::BaseType::Int64) return VertexAttribBaseType::Int;
if(type==spirv_cross::SPIRType::BaseType::UByte
||type==spirv_cross::SPIRType::BaseType::UShort
||type==spirv_cross::SPIRType::BaseType::UInt
||type==spirv_cross::SPIRType::BaseType::UInt64) return VertexAttribBaseType::UInt;
if(type==spirv_cross::SPIRType::BaseType::Half
||type==spirv_cross::SPIRType::BaseType::Float) return VertexAttribBaseType::Float;
if(type==spirv_cross::SPIRType::BaseType::Double) return VertexAttribBaseType::Double;
return VertexAttribBaseType::MAX;
}
struct ShaderStage
{
char name[128];
uint8_t location;
uint32_t basetype;
uint32_t vec_size;
};//
struct ShaderStageData
{
uint32_t count;
ShaderStage *items;
};
struct ShaderResource
{
char name[128];
uint8_t set;
uint8_t binding;
};
struct ShaderResourceData
{
uint32_t count;
ShaderResource *items;
};
struct SPVData
{
bool result;
char *log;
char *debug_log;
uint32_t *spv_data;
uint32_t spv_length;
ShaderStageData input,output;
ShaderResourceData resource[VK_DESCRIPTOR_TYPE_COUNT];
void Init()
{
memset(&input,0,sizeof(ShaderStageData));
memset(&output,0,sizeof(ShaderStageData));
memset(&resource,0,sizeof(resource));
}
void Clear()
{
for(uint32_t i=0;i<VK_DESCRIPTOR_TYPE_COUNT;i++)
delete[] resource[i].items;
delete[] input.items;
delete[] output.items;
}
public:
SPVData(const char *l,const char *dl)
{
result=false;
log=new char[strlen(l)+1];
strcpy(log,l);
debug_log=new char[strlen(dl)+1];
strcpy(debug_log,dl);
spv_data=nullptr;
Init();
}
SPVData(const std::vector<uint32_t> &spirv)
{
result=true;
log=nullptr;
debug_log=nullptr;
spv_length=spirv.size();
spv_data=new uint32_t[spv_length];
spv_length*=sizeof(uint32_t);
memcpy(spv_data,spirv.data(),spv_length);
Init();
}
~SPVData()
{
Clear();
delete[] log;
delete[] debug_log;
delete[] spv_data;
}
};//struct SPVData
void FreeSPVData(SPVData *spv)
{
delete spv;
}
void OutputShaderStage(ShaderStageData *ssd,ShaderParse *sp,const SPVResVector &stages)
{
size_t attr_count=stages.size();
ssd->count=attr_count;
if(attr_count<=0)return;
spirv_cross::SPIRType::BaseType base_type;
uint8_t vec_size;
uint32_t location;
std::string name;
ssd->items=new ShaderStage[attr_count];
ShaderStage *ss=ssd->items;
for(const spirv_cross::Resource &si:stages)
{
sp->GetFormat(si,&base_type,&vec_size);
ss->basetype =(uint8_t)FromSPIRType(base_type);
ss->vec_size =vec_size;
ss->location =sp->GetLocation(si);
strcpy(ss->name,sp->GetName(si).c_str());
++ss;
}
}
void OutputShaderResource(ShaderResourceData *ssd,ShaderParse *sp,const SPVResVector &res)
{
size_t count=res.size();
if(count<=0)return;
ssd->count=count;
ssd->items=new ShaderResource[count];
ShaderResource *sr=ssd->items;
for(const spirv_cross::Resource &obj:res)
{
strcpy(sr->name,sp->GetName(obj).c_str());
sr->binding=sp->GetBinding(obj);
sr->set=sp->GetSet(obj);
++sr;
}
}
SPVData *GLSL2SPV(const uint32_t shader_type,const char *shader_source)
{
EShLanguage stage = FindLanguage((VkShaderStageFlagBits)shader_type);
glslang::TShader shader(stage);
glslang::TProgram program;
const char *shaderStrings[1];
TBuiltInResource Resources=default_build_in_resource;
// Enable SPIR-V and Vulkan rules when parsing GLSL
EShMessages messages = (EShMessages)(EShMsgSpvRules | EShMsgVulkanRules);
shaderStrings[0] = shader_source;
shader.setStrings(shaderStrings, 1);
shader.setEnvClient(glslang::EShClientVulkan, glslang::EShTargetVulkan_1_2);
if (!shader.parse(&Resources, 110, ECoreProfile, false, false, messages))
return(new SPVData(shader.getInfoLog(),shader.getInfoDebugLog()));
program.addShader(&shader);
//
// Program-level processing...
//
if (!program.link(messages))
{
fflush(stdout);
return(new SPVData(shader.getInfoLog(),shader.getInfoDebugLog()));
}
std::vector<uint32_t> spirv;
glslang::GlslangToSpv(*program.getIntermediate(stage),spirv);
SPVData *spv=new SPVData(spirv);
{
ShaderParse sp(spirv.data(),spirv.size()*sizeof(uint32_t));
OutputShaderStage(&(spv->input),&sp,sp.GetStageInputs());
OutputShaderStage(&(spv->output),&sp,sp.GetStageOutputs());
OutputShaderResource(spv->resource+VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, &sp,sp.GetSampler());
OutputShaderResource(spv->resource+VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, &sp,sp.GetUBO());
OutputShaderResource(spv->resource+VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, &sp,sp.GetSSBO());
}
return(spv);
}
uint32_t GetShaderStageFlagByExtName(const char *ext_name)
{
if (strnicmp(ext_name,"vert",4) == 0)return VK_SHADER_STAGE_VERTEX_BIT; else
if (strnicmp(ext_name,"tesc",4) == 0)return VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT; else
if (strnicmp(ext_name,"tese",4) == 0)return VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT; else
if (strnicmp(ext_name,"geom",4) == 0)return VK_SHADER_STAGE_GEOMETRY_BIT; else
if (strnicmp(ext_name,"frag",4) == 0)return VK_SHADER_STAGE_FRAGMENT_BIT; else
if (strnicmp(ext_name,"comp",4) == 0)return VK_SHADER_STAGE_COMPUTE_BIT; else
if (strnicmp(ext_name,"task",4) == 0)return VK_SHADER_STAGE_TASK_BIT_NV; else
if (strnicmp(ext_name,"mesh",4) == 0)return VK_SHADER_STAGE_MESH_BIT_NV; else
{
return 0;
}
}
struct GLSLCompilerInterface
{
bool (*Init)();
void (*Close)();
uint32_t (*GetType)(const char *ext_name);
SPVData * (*Compile)(const uint32_t type,const char *source);
void (*Free)(SPVData *);
};
static GLSLCompilerInterface plug_in_interface
{
&InitShaderCompiler,
&CloseShaderCompiler,
&GetShaderStageFlagByExtName,
&GLSL2SPV,
&FreeSPVData
};
#ifdef WIN32
#define EXPORT_FUNC __declspec(dllexport)
#else
#define EXPORT_FUNC
#endif
EXPORT_FUNC GLSLCompilerInterface *GetInterface()
{
return &plug_in_interface;
}
}//extern "C"
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