增加Geometry2D工程(未完成)，用于试验同时画多个几何体，便于开发材质合并、INSTANCE合并。

example/Vulkan/CMakeLists.txt

@@ -8,5 +8,5 @@ add_library(TGATexture STATIC TGATexture.cpp)
 CreateProject(0.triangle main)
 CreateProject(1.indices_rect indices_rect)
 CreateProject(2.texture_rect texture_rect)
-
 target_link_libraries(2.texture_rect TGATexture)
+CreateProject(3.Geometry2D Geometry2D)

example/Vulkan/Geometry2D.cpp

@@ -0,0 +1,243 @@
+// 0.triangle
+// 该范例主要演示直接绘制一个渐变色的三角形
+
+#include"VulkanAppFramework.h"
+#include<hgl/math/Math.h>
+#include<hgl/filesystem/FileSystem.h>
+
+using namespace hgl;
+using namespace hgl::graph;
+
+bool SaveToFile(const OSString &filename,VK_NAMESPACE::PipelineCreater *pc);
+bool LoadFromFile(const OSString &filename,VK_NAMESPACE::PipelineCreater *pc);
+
+constexpr uint32_t SCREEN_WIDTH=1280;
+constexpr uint32_t SCREEN_HEIGHT=720;
+
+struct WorldConfig
+{
+    Matrix4f mvp;
+}world;
+
+/**
+ * 网格数据
+ */
+class Mesh
+{
+public:
+};//class Mesh
+
+/**
+ * 网格数据生成器
+ */
+class MeshCreater
+{
+public:
+
+    MeshCreater()
+    {
+    }
+};//
+
+Mesh *CreateRectangle(float l,float t,float w,float h)
+{
+    MeshCreater *creater=new MeshCreater();
+}
+
+/**
+ * 创建一个圆角矩形
+ * @param r 半径
+ * @param rp 半径精度
+ */
+Mesh *CreateRoundrectangle(float l,float t,float w,float h,float r,uint32_t rp)
+{
+}
+
+constexpr uint32_t VERTEX_COUNT=3;
+
+constexpr float vertex_data[VERTEX_COUNT][2]=
+{
+    {SCREEN_WIDTH*0.5,   SCREEN_HEIGHT*0.25},
+    {SCREEN_WIDTH*0.75,  SCREEN_HEIGHT*0.75},
+    {SCREEN_WIDTH*0.25,  SCREEN_HEIGHT*0.75}
+};
+
+constexpr float color_data[VERTEX_COUNT][3]=
+{   {1,0,0},
+    {0,1,0},
+    {0,0,1}
+};
+
+class TestApp:public VulkanApplicationFramework
+{
+private:
+
+    uint swap_chain_count=0;
+
+    vulkan::Material *          material            =nullptr;
+    vulkan::DescriptorSets *    desciptor_sets      =nullptr;
+    vulkan::Renderable *        render_obj          =nullptr;
+    vulkan::Buffer *            ubo_mvp             =nullptr;
+
+    vulkan::Pipeline *          pipeline            =nullptr;
+    vulkan::CommandBuffer **    cmd_buf             =nullptr;
+
+    vulkan::VertexBuffer *      vertex_buffer       =nullptr;
+    vulkan::VertexBuffer *      color_buffer        =nullptr;
+
+public:
+
+    ~TestApp()
+    {
+        SAFE_CLEAR(color_buffer);
+        SAFE_CLEAR(vertex_buffer);
+        SAFE_CLEAR_OBJECT_ARRAY(cmd_buf,swap_chain_count);
+        SAFE_CLEAR(pipeline);
+        SAFE_CLEAR(ubo_mvp);
+        SAFE_CLEAR(render_obj);
+        SAFE_CLEAR(desciptor_sets);
+        SAFE_CLEAR(material);
+    }
+
+private:
+
+    bool InitMaterial()
+    {
+        material=shader_manage->CreateMaterial(OS_TEXT("FlatColor.vert.spv"),
+                                               OS_TEXT("FlatColor.frag.spv"));
+        if(!material)
+            return(false);
+
+        render_obj=material->CreateRenderable();
+        desciptor_sets=material->CreateDescriptorSets();
+        return(true);
+    }
+
+    bool InitUBO()
+    {
+        const VkExtent2D extent=device->GetExtent();
+
+        world.mvp=ortho(extent.width,extent.height);
+
+        ubo_mvp=device->CreateUBO(sizeof(WorldConfig),&world);
+
+        if(!ubo_mvp)
+            return(false);
+
+        if(!desciptor_sets->BindUBO(material->GetUBO("world"),*ubo_mvp))
+            return(false);
+
+        desciptor_sets->Update();
+        return(true);
+    }
+
+    void InitVBO()
+    {
+        vertex_buffer   =device->CreateVBO(FMT_RG32F,  VERTEX_COUNT,vertex_data);
+        color_buffer    =device->CreateVBO(FMT_RGB32F, VERTEX_COUNT,color_data);
+
+        render_obj->Set("Vertex",   vertex_buffer);
+        render_obj->Set("Color",    color_buffer);
+    }
+
+    bool InitPipeline()
+    {
+        constexpr os_char PIPELINE_FILENAME[]=OS_TEXT("2DSolid.pipeline");
+
+        {
+            vulkan::PipelineCreater *pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetRenderPass(),device->GetExtent());
+            pipeline_creater->SetDepthTest(false);
+            pipeline_creater->SetDepthWrite(false);
+            pipeline_creater->CloseCullFace();
+            pipeline_creater->Set(PRIM_TRIANGLES);
+
+            SaveToFile(PIPELINE_FILENAME,pipeline_creater);
+
+            delete pipeline_creater;
+        }
+
+        {
+            void *data;
+            uint size=filesystem::LoadFileToMemory(PIPELINE_FILENAME,(void **)&data);
+
+            vulkan::PipelineCreater *pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetRenderPass(),device->GetExtent(),(uchar *)data,size);
+
+            pipeline=pipeline_creater->Create();
+
+            delete pipeline_creater;
+        }
+
+        return pipeline;
+    }
+
+    bool InitCommandBuffer()
+    {
+        cmd_buf=hgl_zero_new<vulkan::CommandBuffer *>(swap_chain_count);
+
+        for(uint i=0;i<swap_chain_count;i++)
+        {
+            cmd_buf[i]=device->CreateCommandBuffer();
+
+            if(!cmd_buf[i])
+                return(false);
+
+            cmd_buf[i]->Begin();
+                cmd_buf[i]->BeginRenderPass(device->GetRenderPass(),device->GetFramebuffer(i));
+                    cmd_buf[i]->Bind(pipeline);
+                    cmd_buf[i]->Bind(desciptor_sets);
+                    cmd_buf[i]->Bind(render_obj);
+                    cmd_buf[i]->Draw(VERTEX_COUNT);
+                cmd_buf[i]->EndRenderPass();
+            cmd_buf[i]->End();
+        }
+
+        return(true);
+    }
+
+public:
+
+    bool Init()
+    {
+        if(!VulkanApplicationFramework::Init(SCREEN_WIDTH,SCREEN_HEIGHT))
+            return(false);
+
+        swap_chain_count=device->GetSwapChainImageCount();
+
+        if(!InitMaterial())
+            return(false);
+
+        if(!InitUBO())
+            return(false);
+
+        InitVBO();
+
+        if(!InitPipeline())
+            return(false);
+
+        if(!InitCommandBuffer())
+            return(false);
+
+        return(true);
+    }
+
+    void Draw() override
+    {
+        const uint32_t frame_index=device->GetCurrentFrameIndices();
+
+        const vulkan::CommandBuffer *cb=cmd_buf[frame_index];
+
+        Submit(*cb);
+    }
+};//class TestApp:public VulkanApplicationFramework
+
+int main(int,char **)
+{
+    TestApp app;
+
+    if(!app.Init())
+        return(-1);
+
+    while(app.Run());
+
+    return 0;
+}