preparing LerpLine example.

CMCore

@@ -1 +1 @@
-Subproject commit 1a61053e33ba573fb80a3775200e3db83dafd6bd
+Subproject commit 9fdefa18fa2d7ce86ac48668110ed75c65d226ef

CMUtil

@@ -1 +1 @@
-Subproject commit 259f0ef40c46c7cb6fadc4f9402e100c352df9d9
+Subproject commit 1e121c1b3ebfbc46ce310335e2fb3b4c8ecdf8e0

example/2dVector/CMakeLists.txt

@@ -10,4 +10,6 @@
 endmacro()
 
 CreateProject(00.line line.cpp)
-CreateProject(01.roundbox roundbox.cpp)
+CreateProject(01.LerpLine LerpLine.cpp)
+
+CreateProject(02.roundbox roundbox.cpp)

example/2dVector/LerpLine.cpp

@@ -0,0 +1,121 @@
+// 主要用于测试几种2D插值算法
+
+#include"VulkanAppFramework.h"
+#include<hgl/math/Math.h>
+#include<hgl/math/HalfFloat.h>
+#include<hgl/filesystem/FileSystem.h>
+#include<hgl/graph/SceneInfo.h>
+#include<hgl/graph/VKVertexInputConfig.h>
+#include<hgl/graph/PrimitiveCreater.h>
+#include<hgl/graph/mtl/Material2DCreateConfig.h>
+
+using namespace hgl;
+using namespace hgl::graph;
+
+constexpr uint32_t SCREEN_WIDTH=1280;
+constexpr uint32_t SCREEN_HEIGHT=720;
+
+constexpr uint32_t VERTEX_COUNT=3;
+
+constexpr float position_data[VERTEX_COUNT*2]=
+{
+    -1.0,  0.0,
+     1.0,  0.0,
+};
+
+constexpr VkFormat PositionFormat=VF_V2F;
+
+constexpr float color_data[VERTEX_COUNT*4]=
+{   1,0,0,1,
+    0,1,0,1,
+    0,0,1,1
+};
+
+constexpr VkFormat ColorFormat=VF_V4F;
+
+class TestApp:public VulkanApplicationFramework
+{
+private:
+
+    MaterialInstance *  material_instance   =nullptr;
+    Renderable *        render_obj          =nullptr;
+
+    Pipeline *          pipeline            =nullptr;
+
+private:
+
+    bool InitAutoMaterial()
+    {
+        mtl::Material2DCreateConfig cfg(device->GetDeviceAttribute(),"VertexColor2D",Prim::Lines);
+
+        cfg.coordinate_system=CoordinateSystem2D::NDC;
+        cfg.local_to_world=false;
+
+        AutoDelete<mtl::MaterialCreateInfo> mci=mtl::CreateVertexColor2D(&cfg);
+
+        material_instance=db->CreateMaterialInstance(mci);
+
+        return material_instance;
+    }
+
+    bool InitPipeline()
+    {
+        pipeline=CreatePipeline(material_instance,InlinePipeline::Solid2D,Prim::Lines);
+
+        return pipeline;
+    }
+
+    bool InitVBO()
+    {
+        PrimitiveCreater rpc(device,material_instance->GetVIL());
+        
+        rpc.Init("Triangle",VERTEX_COUNT);
+
+        if(!rpc.WriteVAB(VAN::Position,   PositionFormat, position_data))return(false);
+        if(!rpc.WriteVAB(VAN::Color,      ColorFormat,    color_data   ))return(false);
+        
+        render_obj=db->CreateRenderable(&rpc,material_instance,pipeline);
+        return(render_obj);
+    }
+
+public:
+
+    bool Init()
+    {
+        if(!VulkanApplicationFramework::Init(SCREEN_WIDTH,SCREEN_HEIGHT))
+            return(false);
+
+        if(!InitAutoMaterial())
+            return(false);
+
+        if(!InitPipeline())
+            return(false);
+
+        if(!InitVBO())
+            return(false);
+
+        if(!BuildCommandBuffer(render_obj))
+            return(false);
+
+        return(true);
+    }
+
+    void Resize(uint w,uint h)override
+    {
+        VulkanApplicationFramework::Resize(w,h);
+
+        BuildCommandBuffer(render_obj);
+    }
+};//class TestApp:public VulkanApplicationFramework
+
+int main(int,char **)
+{
+    TestApp app;
+
+    if(!app.Init())
+        return(-1);
+
+    while(app.Run());
+
+    return 0;
+}

inc/hgl/graph/mtl/Material2DCreateConfig.h

@@ -54,6 +54,15 @@ public:
 
 MaterialCreateInfo *CreateVertexColor2D(const Material2DCreateConfig *);
 MaterialCreateInfo *CreatePureColor2D(const Material2DCreateConfig *);
+
+
+struct MaterialLerpLineConfig
+{
+
+};
+
+MaterialCreateInfo *CreateLerpLine2D(const Material2DCreateConfig *);
+
 MaterialCreateInfo *CreatePureTexture2D(const Material2DCreateConfig *);
 MaterialCreateInfo *CreateRectTexture2D(Material2DCreateConfig *);
 MaterialCreateInfo *CreateRectTexture2DArray(Material2DCreateConfig *);