first added codes of ShaderGen

inc/hgl/shadergen/MaterialDescriptorManager.h

@@ -0,0 +1,51 @@
+#pragma once
+
+#include<hgl/graph/VKShaderDescriptor.h>
+#include<hgl/graph/VKDescriptorSetType.h>
+#include<hgl/shadergen/ShaderCommon.h>
+#include<hgl/type/Map.h>
+
+using namespace hgl;
+using namespace hgl::graph;
+
+SHADERGEN_NAMESPACE_BEGIN
+/**
+* 材质描述符管理</p>
+* 该类使用于SHADER生成前，用于统计编号set/binding
+*/
+class MaterialDescriptorManager
+{
+    struct ShaderDescriptorSet
+    {
+        DescriptorSetType set_type;
+
+        int set;
+        int count;
+
+        ObjectMap<UTF8String,ShaderDescriptor>  descriptor_map;
+
+        List<const UBODescriptor *>             ubo_list;
+        List<const SamplerDescriptor *>         sampler_list;
+
+    public:
+
+        const ShaderDescriptor *AddDescriptor(VkShaderStageFlagBits ssb,ShaderDescriptor *new_sd);                       ///<添加一个描述符，如果它本身存在，则返回false
+    };
+
+    using ShaderDescriptorSetArray=ShaderDescriptorSet[size_t(DescriptorSetType::RANGE_SIZE)];
+
+    ShaderDescriptorSetArray desc_set_array;
+
+public:
+    
+    MaterialDescriptorManager();
+    ~MaterialDescriptorManager()=default;
+
+    const UBODescriptor *AddUBO(VkShaderStageFlagBits ssb,DescriptorSetType type,UBODescriptor *sd);
+    const SamplerDescriptor *AddSampler(VkShaderStageFlagBits ssb,DescriptorSetType type,SamplerDescriptor *sd);
+
+    const DescriptorSetType GetSetType(const AnsiString &)const;
+
+    void Resort();      //排序产生set号与binding号
+};
+SHADERGEN_NAMESPACE_END

inc/hgl/shadergen/ShaderCommon.h

@@ -0,0 +1,13 @@
+#ifndef HGL_SHADER_GEN_COMMON_INCLUDE
+#define HGL_SHADER_GEN_COMMON_INCLUDE
+
+#include<hgl/type/String.h>
+#include<hgl/graph/VK.h>
+
+#define SHADERGEN_NAMESPACE_BEGIN  namespace hgl{namespace shadergen{
+#define SHADERGEN_NAMESPACE_END     }}
+#define SHADERGEN_NAMESPACE_USING   using namespace hgl::shadergen;
+
+SHADERGEN_NAMESPACE_BEGIN
+SHADERGEN_NAMESPACE_END
+#endif//HGL_SHADER_GEN_COMMON_INCLUDE

inc/hgl/shadergen/ShaderDescriptorManager.h

@@ -0,0 +1,77 @@
+#pragma once
+
+#include<hgl/shadergen/ShaderCommon.h>
+#include<hgl/type/Map.h>
+#include<hgl/graph/VKShaderStage.h>
+#include<hgl/graph/VKDescriptorSetType.h>
+#include<hgl/shadergen/MaterialDescriptorManager.h>
+
+SHADERGEN_NAMESPACE_BEGIN
+/**
+* Shader数据管理器,用于生成正式Shader前的资源统计
+*/
+class ShaderDescriptorManager
+{
+    ShaderStageIO stage_io;
+    
+    MaterialDescriptorManager *         material_descriptor_manager;
+
+    //ubo/object在这里以及MaterialDescriptorManager中均有一份，mdm中的用于产生set/binding号，这里的用于产生shader
+    List<const UBODescriptor *>         ubo_list;
+    List<const SamplerDescriptor *>     sampler_list;
+    
+    ObjectList<ConstValueDescriptor>    const_value_list;
+    ObjectList<SubpassInputDescriptor>  subpass_input;
+    
+    ShaderPushConstant                  push_constant;
+
+    AnsiString                          source_codes;
+
+public:
+
+    ShaderDescriptorManager(VkShaderStageFlagBits,MaterialDescriptorManager *);
+    ~ShaderDescriptorManager()=default;
+
+    const VkShaderStageFlagBits GetStageBits()const { return stage_io.cur; }
+    const AnsiString            GetStageName()const { return AnsiString(GetShaderStageName(stage_io.cur)); }
+   
+    void SetPrevShader(VkShaderStageFlagBits prev) { stage_io.prev=prev; }
+    void SetNextShader(VkShaderStageFlagBits next) { stage_io.next=next; }
+
+public:
+
+    const ShaderStageIO &                       GetShaderStageIO()const{return stage_io;}
+
+    const List<const UBODescriptor *> &         GetUBOList()const{return ubo_list;}
+    const List<const SamplerDescriptor *> &     GetSamplerList()const{return sampler_list;}
+
+    const ObjectList<ConstValueDescriptor> &    GetConstList()const{return const_value_list;}
+
+    const ObjectList<SubpassInputDescriptor> &  GetSubpassInputList()const { return subpass_input; }
+
+    const AnsiString &GetSources()const{return source_codes;}
+    
+public:
+
+    bool AddInput(ShaderStage *);
+    bool AddOutput(ShaderStage *);
+
+    bool AddUBO(DescriptorSetType type,UBODescriptor *sd);
+    bool AddSampler(DescriptorSetType type,SamplerDescriptor *sd);
+
+    bool AddConstValue(ConstValueDescriptor *sd);    
+    bool AddSubpassInput(const AnsiString name,uint8_t index);
+    
+    void SetPushConstant(const AnsiString name,uint8_t offset,uint8_t size);
+
+    void AddSource(const AnsiString &str)
+    {
+        source_codes+=str;
+        source_codes+="\n";
+    }
+
+#ifdef _DEBUG
+    void DebugOutput(int);
+#endif//_DEBUG
+};//class ShaderDescriptorManager
+SHADERGEN_NAMESPACE_END