hyzboy/GLSLCompiler
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
GLSLCompiler/glsl2spv.cpp
Jayou 38fb792d79 add shader_stage to SPVData.
2020-10-15 15:15:03 +08:00

633 lines
22 KiB
C++
Raw Blame History

#include<glslang/SPIRV/GlslangToSpv.h>
#include<glslang/Include/ResourceLimits.h>
#include"SPIRV-Cross/spirv_common.hpp"
#include"StandAlone/DirStackFileIncluder.h"
#include"VKShaderParse.h"
#include<vector>
#include<iostream>
#include<fstream>
#include<string>
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+2; // One for push_constant, one for subpass_input.
constexpr uint32_t ResID_PushConstant =VK_DESCRIPTOR_TYPE_COUNT-2;
constexpr uint32_t ResID_SubpassInput =VK_DESCRIPTOR_TYPE_COUNT-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 ShaderType
{
GLSL=0,
HLSL,
MAX=0xff
};//enum class ShaderType
struct CompileInfo
{
ShaderType shader_type = ShaderType::GLSL;
uint32_t includes_count;
const char** includes;
};
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];
union
{
struct
{
uint8_t set;
uint8_t binding;
};
struct
{
uint8_t offset;
uint8_t size;
};
struct
{
uint8_t input_attachment_index;
};
};
};
struct ShaderResourceData
{
uint32_t count;
ShaderResource *items;
};
struct SPVData
{
bool result;
char *log;
char *debug_log;
uint32_t *spv_data;
uint32_t spv_length;
uint32_t shader_stage;
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 char* log) : SPVData(log, log)
{
}
SPVData(const std::vector<uint32_t> &spirv)
{
result=true;
log=nullptr;
debug_log=nullptr;
spv_length=(uint32_t)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=(uint32_t)attr_count;
if(attr_count<=0)return;
spirv_cross::SPIRType::BaseType base_type;
uint8_t vec_size;
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=(uint32_t)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->set = sp->GetSet(obj);
sr->binding=sp->GetBinding(obj);
++sr;
}
}
void OutputPushConstant(ShaderResourceData* ssd, ShaderParse* sp, const SPVResVector& res)
{
size_t count = res.size();
if (count <= 0)return;
ssd->count = (uint32_t)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->offset = sp->GetOffset(obj);
sr->size = sp->GetBufferSize(obj);
++sr;
}
}
void OutputSubpassInput(ShaderResourceData* ssd, ShaderParse* sp, const SPVResVector& res)
{
size_t count = res.size();
if (count <= 0)return;
ssd->count = (uint32_t)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->input_attachment_index = sp->GetInputAttachmentIndex(obj);
sr->binding=sp->GetBinding(obj);
++sr;
}
}
SPVData *Shader2SPV(
const uint32_t shader_stage,
const char * shader_source,
const CompileInfo * compile_info)
{
EShLanguage stage = FindLanguage((VkShaderStageFlagBits)shader_stage);
glslang::TShader shader(stage);
glslang::TProgram program;
DirStackFileIncluder includer;
const char *shaderStrings[1];
TBuiltInResource Resources=default_build_in_resource;
// Enable SPIR-V and Vulkan rules when parsing GLSL/HLSL
EShMessages messages = (EShMessages)(EShMsgSpvRules | EShMsgVulkanRules);
if (compile_info != nullptr)
{
if (compile_info->shader_type == ShaderType::HLSL)
{
messages = (EShMessages)(EShMsgReadHlsl | EShMsgSpvRules | EShMsgVulkanRules);
// HLSL Request!
shader.setEntryPoint("main");
}
for (uint32_t i = 0; i < compile_info->includes_count; i++)
{
includer.pushExternalLocalDirectory(compile_info->includes[i]);
}
}
shaderStrings[0] = shader_source;
shader.setStrings(shaderStrings, 1);
if (!shader.parse(&Resources, 100, false, messages, includer))
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);
spv->shader_stage = shader_stage;
{
ShaderParse sp(spirv.data(),(uint32_t)spirv.size()*sizeof(uint32_t));
OutputShaderStage(&(spv->input),&sp,sp.GetStageInputs());
OutputShaderStage(&(spv->output),&sp,sp.GetStageOutputs());
OutputShaderResource(spv->resource+VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, &sp,sp.GetUBO());
OutputShaderResource(spv->resource+VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, &sp,sp.GetSSBO());
OutputShaderResource(spv->resource+VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, &sp,sp.GetImageSampler());
OutputShaderResource(spv->resource+VK_DESCRIPTOR_TYPE_SAMPLER, &sp,sp.GetSampler());
OutputShaderResource(spv->resource+VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, &sp,sp.GetImage());
OutputShaderResource(spv->resource+VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, &sp,sp.GetImage2D());
OutputPushConstant (spv->resource+ResID_PushConstant, &sp,sp.GetPushConstant());
OutputSubpassInput (spv->resource+ResID_SubpassInput, &sp,sp.GetSubpassInputs());
}
return(spv);
}
SPVData *CompileFromPath(
const uint32_t shader_stage,
const char * shader_path,
const CompileInfo * compile_info)
{
std::ifstream is(shader_path, std::ios::binary | std::ios::ate); // std::ios::binary is REQUEST!
SPVData *data;
if (is.is_open())
{
size_t size = is.tellg();
if (size == -1)
return new SPVData("Error: std::istream::tellg return -1!");
is.seekg(0, std::ios::beg);
char* shaderCode = new char[size + 1];
is.read(shaderCode, size);
is.close();
shaderCode[size] = 0; // End of char* string.
data = Shader2SPV(shader_stage, shaderCode, compile_info);
delete[] shaderCode;
return data;
}
else return new SPVData(("Error: Could not open shader file \"" + std::string(shader_path) + "\"!").data());
}
uint32_t GetShaderStageFlagByExtName(const char *ext_name)
{
if (_stricmp(ext_name,"vert") == 0)return VK_SHADER_STAGE_VERTEX_BIT; else
if (_stricmp(ext_name,"tesc") == 0)return VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT; else
if (_stricmp(ext_name,"tese") == 0)return VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT; else
if (_stricmp(ext_name,"geom") == 0)return VK_SHADER_STAGE_GEOMETRY_BIT; else
if (_stricmp(ext_name,"frag") == 0)return VK_SHADER_STAGE_FRAGMENT_BIT; else
if (_stricmp(ext_name,"comp") == 0)return VK_SHADER_STAGE_COMPUTE_BIT; else
if (_stricmp(ext_name,"task") == 0)return VK_SHADER_STAGE_TASK_BIT_NV; else
if (_stricmp(ext_name,"mesh") == 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 stage,const char *source, const CompileInfo *compile_info);
SPVData * (*CompileFromPath)(const uint32_t stage,const char *path, const CompileInfo *compile_info);
void (*Free)(SPVData *);
};
static GLSLCompilerInterface plug_in_interface
{
&InitShaderCompiler,
&CloseShaderCompiler,
&GetShaderStageFlagByExtName,
&Shader2SPV,
&CompileFromPath,
&FreeSPVData
};
#ifdef WIN32
#define EXPORT_FUNC __declspec(dllexport)
#else
#define EXPORT_FUNC
#endif
EXPORT_FUNC GLSLCompilerInterface *GetInterface()
{
return &plug_in_interface;
}
}//extern "C"
Reference in New Issue View Git Blame Copy Permalink