few about MaterialInstance

example/Vulkan/fourth_triangle.cpp

@@ -23,11 +23,14 @@ constexpr float position_data[VERTEX_COUNT*2]=
      0.1,  0.9
 };
 
-constexpr float color_data[3][4]=
+constexpr float color_data[6][4]=
 {
     {1,0,0,1},
+    {1,1,0,1},
     {0,1,0,1},
-    {0,0,1,1}
+    {0,1,1,1},
+    {0,0,1,1},
+    {1,0,1,1},
 };
 
 class TestApp:public VulkanApplicationFramework
@@ -37,8 +40,8 @@ private:
     SceneNode           render_root;
     RenderList *        render_list         =nullptr;
 
-    MaterialInstance *  material_instance   =nullptr;
+    MaterialInstance *  material_instance[6]={nullptr,nullptr,nullptr,nullptr,nullptr,nullptr};
-    Renderable *        render_obj          =nullptr;
+    Renderable *        render_obj[6]       ={nullptr,nullptr,nullptr,nullptr,nullptr,nullptr};
 
     Pipeline *          pipeline            =nullptr;
 
@@ -54,36 +57,42 @@ private:
 
             AutoDelete<mtl::MaterialCreateInfo> mci=mtl::CreatePureColor2D(&cfg);
 
-            material_instance=db->CreateMaterialInstance(mci);
+/*            for(uint i=0;i<6;i++)
+            {
+                material_instance[i]=db->CreateMaterialInstance(mci);
+
+                if(!material_instance[i])
+                    return(false);
+
+                material_instance[i]->SetFloat4(0,color_data[i]);
+            }*/
         }
             
-        if(!material_instance)
-            return(false);
-            
 //        pipeline=db->CreatePipeline(material_instance,sc_render_target,OS_TEXT("res/pipeline/solid2d"));
-        pipeline=CreatePipeline(material_instance,InlinePipeline::Solid2D,Prim::Triangles);     //等同上一行，为Framework重载，默认使用swapchain的render target
+//        pipeline=CreatePipeline(material_instance,InlinePipeline::Solid2D,Prim::Triangles);     //等同上一行，为Framework重载，默认使用swapchain的render target
         
         return pipeline;
     }
 
     bool InitVBO()
     {
-        RenderablePrimitiveCreater rpc(db,VERTEX_COUNT);
+        //RenderablePrimitiveCreater rpc(db,VERTEX_COUNT);
 
-        if(!rpc.SetVBO(VAN::Position,   VF_V2F, position_data))return(false);
+        //if(!rpc.SetVBO(VAN::Position,   VF_V2F, position_data))return(false);
-        if(!rpc.SetVBO(VAN::Color,      VF_V4F, color_data   ))return(false);
+        //
+        //render_obj=rpc.Create(material_instance,pipeline);
 
-        render_obj=rpc.Create(material_instance,pipeline);
+        //if(!render_obj)
+        //    return(false);
+        //
+        //for(uint i=0;i<6;i++)
+        //{
+        //    render_root.CreateSubNode(rotate(deg2rad(60*i),Vector3f(0,0,1)),render_obj);
+        //}
 
-        if(!render_obj)
+        //render_root.RefreshMatrix();
-            return(false);
 
-        for(uint i=0;i<12;i++)
+        //render_list->Expend(&render_root);
-            render_root.CreateSubNode(rotate(deg2rad(30*i),Vector3f(0,0,1)),render_obj);
-
-        render_root.RefreshMatrix();
-
-        render_list->Expend(&render_root);
 
         return(true);
     }

inc/hgl/graph/VKDescriptorBindingManage.h

@@ -9,7 +9,7 @@ namespace hgl
     {
         class DeviceBuffer;
         class Texture;
-        class MaterialInstance;
+        class Material;
 
         class DescriptorBinding
         {
@@ -92,7 +92,7 @@ namespace hgl
                 texture_map.DeleteByValue(tex);
             }
 
-            bool Bind(MaterialInstance *);
+            bool Bind(Material *);
         };//class DescriptorBinding
     }//namespace graph
 }//namespace hgl

inc/hgl/graph/VKMaterial.h

@@ -4,13 +4,12 @@
 #include<hgl/graph/VK.h>
 #include<hgl/type/Map.h>
 #include<hgl/type/String.h>
+#include<hgl/type/Collection.h>
 #include<hgl/graph/VKShaderModuleMap.h>
 #include<hgl/graph/VKDescriptorSetType.h>
 VK_NAMESPACE_BEGIN
 using ShaderStageCreateInfoList=List<VkPipelineShaderStageCreateInfo>;
 
-using MaterialParameterArray=MaterialParameters *[DESCRIPTOR_SET_TYPE_COUNT];
-
 struct MaterialData
 {
     UTF8String name;
@@ -25,7 +24,9 @@ struct MaterialData
 
     PipelineLayoutData *pipeline_layout_data;
 
-    MaterialParameterArray mp_array;
+    MaterialParameters *mp_array[DESCRIPTOR_SET_TYPE_COUNT];
+
+    uint32_t mi_data_bytes;
 
 private:
 
@@ -42,6 +43,8 @@ class Material
 {
     MaterialData *data;
 
+    Collection *mi_data;
+
 private:
 
     friend GPUDevice;

inc/hgl/graph/VKMaterialInstance.h

@@ -50,6 +50,8 @@ protected:
 
     VIL *vil;
 
+    
+
 public:
 
             Material *  GetMaterial ()      {return material;}

inc/hgl/graph/VKRenderable.h

@@ -75,8 +75,6 @@ public:
     const   AABB &              GetBoundingBox      ()const{return primitive->GetBoundingBox();}
 
     const   VertexInputData *   GetVertexInputData  ()const{return vertex_input;}
-
-            MaterialParameters *GetMP               (const DescriptorSetType &type){return mat_inst->GetMP(type);}
 };//class Renderable
 
 Renderable *CreateRenderable(Primitive *,MaterialInstance *,Pipeline *);

src/SceneGraph/Vulkan/VKCommandBufferRender.cpp

@@ -109,11 +109,12 @@ bool RenderCmdBuffer::BindDescriptorSets(Renderable *ri)
         uint32_t count=0;
 
         MaterialParameters *mp;
+        Material *mtl=ri->GetMaterial();
         VkDescriptorSet ds[DESCRIPTOR_SET_TYPE_COUNT];
 
         ENUM_CLASS_FOR(DescriptorSetType,int,i)
         {
-            mp=ri->GetMP((DescriptorSetType)i);
+            mp=mtl->GetMP((DescriptorSetType)i);
 
             if(mp)
             {

src/SceneGraph/Vulkan/VKDescriptorBindingManage.cpp

@@ -3,12 +3,12 @@
 #include<hgl/graph/VKMaterialInstance.h>
 
 VK_NAMESPACE_BEGIN
-bool DescriptorBinding::Bind(MaterialInstance *mi)
+bool DescriptorBinding::Bind(Material *mtl)
 {
-    if(!mi)
+    if(!mtl)
         return(false);
 
-    MaterialParameters *mp=mi->GetMP(set_type);
+    MaterialParameters *mp=mtl->GetMP(set_type);
 
     if(!mp)
         return(false);

src/SceneGraph/Vulkan/VKMaterialInstance.cpp

@@ -22,7 +22,7 @@ MaterialInstance::MaterialInstance(Material *mtl,VIL *v)
 
 bool MaterialInstance::BindUBO(const DescriptorSetType &type,const AnsiString &name,DeviceBuffer *ubo,bool dynamic)
 {
-    MaterialParameters *mp=GetMP(type);
+    MaterialParameters *mp=material->GetMP(type);
         
     if(!mp)
         return(false);
@@ -35,7 +35,7 @@ bool MaterialInstance::BindUBO(const DescriptorSetType &type,const AnsiString &n
 
 bool MaterialInstance::BindSSBO(const DescriptorSetType &type,const AnsiString &name,DeviceBuffer *ubo,bool dynamic)
 {
-    MaterialParameters *mp=GetMP(type);
+    MaterialParameters *mp=material->GetMP(type);
         
     if(!mp)
         return(false);
@@ -48,7 +48,7 @@ bool MaterialInstance::BindSSBO(const DescriptorSetType &type,const AnsiString &
 
 bool MaterialInstance::BindImageSampler(const DescriptorSetType &type,const AnsiString &name,Texture *tex,Sampler *sampler)
 {
-    MaterialParameters *mp=GetMP(type);
+    MaterialParameters *mp=material->GetMP(type);
         
     if(!mp)
         return(false);

src/ShaderGen/MaterialCreateInfo.cpp

@@ -141,8 +141,10 @@ bool MaterialCreateInfo::SetMaterialInstance(const AnsiString &glsl_codes,const
     if(data_bytes>0)
         mi_codes=glsl_codes;
 
-    const uint32_t ubo_range=config->dev_attr->physical_device->GetUBORange();
+    const uint32_t ubo_range=config->dev_attr->physical_device->GetUBORange();              //小部分为16k，大部分为64k，Intel核显为128M，AMD显卡无限制
-    AnsiString MI_MAX_COUNT=AnsiString::numberOf(ubo_range/data_bytes);
+    const uint32_t mi_max_count=ubo_range/data_bytes;
+
+    const AnsiString MI_MAX_COUNT=AnsiString::numberOf(mi_max_count>256?256:mi_max_count);  //我们使用uint8传递材质实例ID，所以最大数量为256。未来如考虑使用更多，需综合考虑
 
     mdi.AddStruct(MaterialInstanceStruct,mi_codes);
     mdi.AddStruct(SBS_MaterialInstanceData);