upgrade the PipelineCreater, it don't need use RenderTarge when construct.

example/Vulkan/Atomsphere.cpp

@@ -87,12 +87,12 @@ private:
     bool InitPipeline()
     {
         AutoDelete<vulkan::PipelineCreater> 
-        pipeline_creater=new vulkan::PipelineCreater(device,material,sc_render_target);
+        pipeline_creater=new vulkan::PipelineCreater(device,material);
         pipeline_creater->SetDepthTest(true);
         pipeline_creater->SetDepthWrite(true);
         pipeline_creater->SetCullMode(VK_CULL_MODE_NONE);
         pipeline_creater->Set(Prim::Triangles);
-        pipeline_solid=pipeline_creater->Create();
+        pipeline_solid=pipeline_creater->Create(sc_render_target);
         
         if(!pipeline_solid)
             return(false);

inc/hgl/graph/vulkan/VKPipeline.h

@@ -40,7 +40,6 @@ constexpr size_t VK_DYNAMIC_STATE_RANGE_SIZE=VK_DYNAMIC_STATE_END_RANGE-VK_DYNAM
 class PipelineCreater
 {
     VkDevice device;
-    VkExtent2D extent;
     VkPipelineCache cache;
     VkGraphicsPipelineCreateInfo pipelineInfo;
 
@@ -55,7 +54,7 @@ class PipelineCreater
     VkRect2D scissor;
     VkPipelineViewportStateCreateInfo viewportState;
 
-    void InitViewportState();
+    void InitViewportState(const VkExtent2D &);
 
     VkPipelineRasterizationStateCreateInfo rasterizer;
 
@@ -77,8 +76,8 @@ class PipelineCreater
 
 public:
 
-    PipelineCreater(Device *dev,const Material *,const RenderTarget *);
+    PipelineCreater(Device *dev,const Material *,const uint32_t color_attachment_count=1);
-    PipelineCreater(Device *dev,const Material *,const RenderTarget *,uchar *data,uint size);
+    PipelineCreater(Device *dev,const Material *,uchar *data,uint size);
     ~PipelineCreater()=default;
 
     bool Set(const Prim prim,bool=false);
@@ -193,7 +192,7 @@ public:
     bool SaveToStream(io::DataOutputStream *dos);
     bool LoadFromMemory(uchar *,uint);
     
-    Pipeline *Create();
+    Pipeline *Create(const RenderTarget *);
 };//class PipelineCreater
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_PIPELINE_INCLUDE

src/RenderDevice/Vulkan/VKPipeline.cpp

@@ -27,7 +27,7 @@ void PipelineCreater::InitVertexInputState(const Material *material)
     }
 }
 
-void PipelineCreater::InitViewportState()
+void PipelineCreater::InitViewportState(const VkExtent2D &extent)
 {
     viewport.x = 0.0f;
     viewport.y = 0.0f;
@@ -70,10 +70,9 @@ void PipelineCreater::InitDynamicState()
 
 //为什么一定要把ext放在这里，因为如果不放在这里，总是会让人遗忘它的重要性
 
-PipelineCreater::PipelineCreater(Device *dev,const Material *material,const RenderTarget *rt)
+PipelineCreater::PipelineCreater(Device *dev,const Material *material,const uint32_t color_attachment_count)
 {
     device=dev->GetDevice();
-    extent=rt->GetExtent();
     cache=dev->GetPipelineCache();
 
     //未来这里需要增加是否有vs/fs的检测
@@ -89,8 +88,6 @@ PipelineCreater::PipelineCreater(Device *dev,const Material *material,const Rend
 
     pipelineInfo.pTessellationState=&tessellation;
 
-    InitViewportState();
-
     rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
     rasterizer.pNext = nullptr;
     rasterizer.flags = 0;
@@ -151,7 +148,7 @@ PipelineCreater::PipelineCreater(Device *dev,const Material *material,const Rend
     cba.srcAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
     cba.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
 
-    colorBlendAttachments.Add(cba,rt->GetColorCount());     //这个需要和subpass中的color attachment数量相等，所以添加多份
+    colorBlendAttachments.Add(cba,color_attachment_count);     //这个需要和subpass中的color attachment数量相等，所以添加多份
 
     alpha_blend=false;
 
@@ -172,10 +169,6 @@ PipelineCreater::PipelineCreater(Device *dev,const Material *material,const Rend
     InitDynamicState();
 
     pipelineInfo.layout = material->GetPipelineLayout();
-    {
-        pipelineInfo.renderPass = rt->GetRenderPass();
-        pipelineInfo.subpass = 0;                   //subpass由于还不知道有什么用，所以暂时写0，待知道功用后，需改进
-    }
 
     {
         pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
@@ -183,21 +176,17 @@ PipelineCreater::PipelineCreater(Device *dev,const Material *material,const Rend
     }
 }
 
-PipelineCreater::PipelineCreater(Device *dev,const Material *material,const RenderTarget *rt,uchar *data,uint size)
+PipelineCreater::PipelineCreater(Device *dev,const Material *material,uchar *data,uint size)
 {
     LoadFromMemory(data,size);
 
     device=dev->GetDevice();
-    extent=rt->GetExtent();
     cache=dev->GetPipelineCache();
 
     InitVertexInputState(material);
 
     pipelineInfo.pInputAssemblyState=&inputAssembly;
     pipelineInfo.pTessellationState =&tessellation;
-
-    InitViewportState();
-
     pipelineInfo.pRasterizationState=&rasterizer;
     pipelineInfo.pMultisampleState  =&multisampling;
     pipelineInfo.pDepthStencilState =&depthStencilState;
@@ -206,10 +195,6 @@ PipelineCreater::PipelineCreater(Device *dev,const Material *material,const Rend
     InitDynamicState();
 
     pipelineInfo.layout = material->GetPipelineLayout();
-    {
-        pipelineInfo.renderPass = rt->GetRenderPass();
-        pipelineInfo.subpass = 0;                   //subpass由于还不知道有什么用，所以暂时写0，待知道功用后，需改进
-    }
 
     {
         pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
@@ -232,10 +217,17 @@ bool PipelineCreater::Set(const Prim topology,bool restart)
     return(true);
 }
 
-Pipeline *PipelineCreater::Create()
+Pipeline *PipelineCreater::Create(const RenderTarget *rt)
 {
     VkPipeline graphicsPipeline;
 
+    InitViewportState(rt->GetExtent());
+
+    {
+        pipelineInfo.renderPass = rt->GetRenderPass();
+        pipelineInfo.subpass = 0;                   //subpass由于还不知道有什么用，所以暂时写0，待知道功用后，需改进
+    }
+
     if (vkCreateGraphicsPipelines(device, cache, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS)
         return(nullptr);