268 lines
6.7 KiB
C++
268 lines
6.7 KiB
C++
#include<hgl/shadergen/MaterialCreateInfo.h>
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#include<hgl/shadergen/ShaderDescriptorInfo.h>
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#include<hgl/graph/mtl/UBOCommon.h>
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#include<hgl/graph/VKDeviceAttribute.h>
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#include"common/MFCommon.h"
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#include"ShaderLibrary.h"
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using namespace hgl;
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using namespace hgl::graph;
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STD_MTL_NAMESPACE_BEGIN
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MaterialCreateInfo::MaterialCreateInfo(const MaterialCreateConfig *mc)
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{
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config=mc;
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if(hasVertex ())shader_map.Add(vert=new ShaderCreateInfoVertex (&mdi));else vert=nullptr;
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if(hasGeometry ())shader_map.Add(geom=new ShaderCreateInfoGeometry(&mdi));else geom=nullptr;
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if(hasFragment ())shader_map.Add(frag=new ShaderCreateInfoFragment(&mdi));else frag=nullptr;
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ubo_range=0;
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ssbo_range=0;
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{
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mi_data_bytes=0;
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mi_shader_stage=0;
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mi_max_count=0;
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mi_ubo=nullptr;
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}
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}
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bool MaterialCreateInfo::AddStruct(const AnsiString &struct_name,const AnsiString &codes)
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{
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if(struct_name.IsEmpty()||codes.IsEmpty())
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return(false);
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return mdi.AddStruct(struct_name,codes);
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}
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bool MaterialCreateInfo::AddUBO(const VkShaderStageFlagBits flag_bit,const DescriptorSetType set_type,const AnsiString &struct_name,const AnsiString &name)
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{
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if(!shader_map.ContainsKey(flag_bit))
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return(false);
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if(!mdi.hasStruct(struct_name))
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return(false);
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ShaderCreateInfo *sc=shader_map[flag_bit];
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if(!sc)
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return(false);
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UBODescriptor *ubo=mdi.GetUBO(name);
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if(ubo)
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{
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if(ubo->type!=struct_name)
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return(false);
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ubo->stage_flag|=flag_bit;
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return sc->AddUBO(set_type,ubo);
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}
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else
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{
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ubo=new UBODescriptor();
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ubo->type=struct_name;
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hgl::strcpy(ubo->name,DESCRIPTOR_NAME_MAX_LENGTH,name);
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return sc->AddUBO(set_type,mdi.AddUBO(flag_bit,set_type,ubo));
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}
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}
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bool MaterialCreateInfo::AddUBO(const uint32_t flag_bits,const DescriptorSetType &set_type,const AnsiString &struct_name,const AnsiString &name)
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{
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if(flag_bits==0)return(false); //没有任何SHADER用?
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if(!mdi.hasStruct(struct_name))
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return(false);
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uint result=0;
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VkShaderStageFlagBits bit;
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for(int i=0;i<shader_map.GetCount();i++)
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{
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shader_map.GetKey(i,bit);
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if(flag_bits&bit)
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if(AddUBO(bit,set_type,struct_name,name))
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++result;
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}
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return(result==shader_map.GetCount());
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}
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bool MaterialCreateInfo::AddUBOStruct(const uint32_t flag_bits,const ShaderBufferSource &ss)
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{
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if(!AddStruct(ss.struct_name,ss.codes))
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return(false);
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return AddUBO(flag_bits,ss.set_type,ss.struct_name,ss.name);
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}
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bool MaterialCreateInfo::AddSampler(const VkShaderStageFlagBits flag_bit,const DescriptorSetType set_type,const SamplerType &st,const AnsiString &name)
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{
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if(!shader_map.ContainsKey(flag_bit))
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return(false);
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RANGE_CHECK_RETURN_FALSE(st);
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ShaderCreateInfo *sc=shader_map[flag_bit];
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if(!sc)
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return(false);
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SamplerDescriptor *sampler=mdi.GetSampler(name);
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AnsiString st_name=GetSamplerTypeName(st);
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if(sampler)
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{
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if(sampler->type!=st_name)
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return(false);
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sampler->stage_flag|=flag_bit;
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return sc->AddSampler(set_type,sampler);
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}
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else
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{
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sampler=new SamplerDescriptor();
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sampler->type=st_name;
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hgl::strcpy(sampler->name,DESCRIPTOR_NAME_MAX_LENGTH,name);
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return sc->AddSampler(set_type,mdi.AddSampler(flag_bit,set_type,sampler));
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}
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}
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namespace
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{
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UBODescriptor *CreateUBODescriptor(const ShaderBufferSource &sbs,const uint32_t flag_bits)
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{
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UBODescriptor *ubo=new UBODescriptor;
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ubo->type=sbs.struct_name;
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hgl::strcpy(ubo->name,DESCRIPTOR_NAME_MAX_LENGTH,sbs.name);
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ubo->stage_flag=flag_bits;
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return ubo;
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}
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}//namespace
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/**
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* 设置材质实例代码与数据长度
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* @param glsl_codes 材质实例GLSL代码
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* @param data_bytes 单个材质实例数据长度
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* @param shader_stage_flag_bits 具体使用材质实例的shader
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* @return 是否设置成功
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*/
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bool MaterialCreateInfo::SetMaterialInstance(const AnsiString &glsl_codes,const uint32_t data_bytes,const uint32_t shader_stage_flag_bits)
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{
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if(mi_data_bytes>0)return(false); //已经有数据了
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if(shader_stage_flag_bits==0)return(false);
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if(data_bytes>0&&glsl_codes.Length()<4)return(false);
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mi_data_bytes=data_bytes;
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if(data_bytes>0)
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mi_codes=glsl_codes;
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mi_max_count=hgl_min<uint32_t>(ubo_range/data_bytes,HGL_U16_MAX);
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mdi.AddStruct(MaterialInstanceStruct,mi_codes);
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mdi.AddStruct(SBS_MaterialInstance);
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mi_ubo=CreateUBODescriptor(SBS_MaterialInstance,shader_stage_flag_bits);
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mdi.AddUBO(shader_stage_flag_bits,SBS_MaterialInstance.set_type,mi_ubo);
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const AnsiString MI_MAX_COUNT_STRING=AnsiString::numberOf(mi_max_count);
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auto *it=shader_map.GetDataList();
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for(int i=0;i<shader_map.GetCount();i++)
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{
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if((*it)->key&shader_stage_flag_bits)
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{
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(*it)->value->AddDefine("MI_MAX_COUNT",MI_MAX_COUNT_STRING);
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(*it)->value->SetMaterialInstance(mi_ubo,mi_codes);
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}
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++it;
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}
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mi_shader_stage=shader_stage_flag_bits;
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return(true);
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}
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bool MaterialCreateInfo::SetLocalToWorld(const uint32_t shader_stage_flag_bits)
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{
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if(shader_stage_flag_bits==0)return(false);
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l2w_max_count=hgl_min<uint32_t>(ubo_range/sizeof(Matrix4f),HGL_U16_MAX);
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mdi.AddStruct(SBS_LocalToWorld);
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l2w_ubo=CreateUBODescriptor(SBS_LocalToWorld,shader_stage_flag_bits);
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mdi.AddUBO(shader_stage_flag_bits,SBS_LocalToWorld.set_type,l2w_ubo);
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const AnsiString L2W_MAX_COUNT_STRING=AnsiString::numberOf(l2w_max_count);
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auto *it=shader_map.GetDataList();
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for(int i=0;i<shader_map.GetCount();i++)
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{
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if((*it)->key&shader_stage_flag_bits)
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{
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(*it)->value->AddDefine("L2W_MAX_COUNT",L2W_MAX_COUNT_STRING);
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}
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++it;
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}
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l2w_shader_stage=shader_stage_flag_bits;
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return(true);
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}
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void MaterialCreateInfo::SetDevice(const VulkanDevAttr *dev_attr)
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{
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ubo_range=dev_attr->physical_device->GetUBORange(); //Mali-T系/G71为16k，nVidia和Mali-G系列除G71外为64k，Intel/PowerVR为128M，AMD无限制。
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ssbo_range=dev_attr->physical_device->GetSSBORange();
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}
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bool MaterialCreateInfo::CreateShader()
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{
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if(shader_map.IsEmpty())
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return(false);
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mdi.Resort();
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ShaderCreateInfo *sc,*last=nullptr;
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for(int i=0;i<shader_map.GetCount();i++)
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{
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if(!shader_map.GetValue(i,sc))
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return(false);
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if(static_cast<uint32_t>(sc->GetShaderStage())<mi_shader_stage)
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sc->AddMaterialInstanceOutput();
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sc->CreateShader(last);
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last=sc;
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}
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return(true);
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}
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STD_MTL_NAMESPACE_END
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