added example that it's texture_quad.cpp.

example/Vulkan/CMakeLists.txt

@@ -12,16 +12,17 @@ endmacro()
 
 CreateProject("Basic" 01_draw_triangle_in_NDC           first_triangle.cpp)
 CreateProject("Basic" 02_draw_triangle_use_UBO          second_triangle.cpp)
-CreateProject("Basic" 03_AutoInstance               third_triangle.cpp)
+CreateProject("Basic" 03_auto_instance                  third_triangle.cpp)
-CreateProject("Basic" 04_AutoMergeMaterialInstance  fourth_triangle.cpp)
+CreateProject("Basic" 04_auto_merge_material_instance   fourth_triangle.cpp)
 
 #CreateProject("Basic" FragCoord             FragCoordTest.cpp)
 #CreateProject("Basic" indices_rect          indices_rect.cpp)
 #CreateProject("Basic" FullScreenTriangle    FullScreenTriangle.cpp)
 #CreateProject("Basic" InstanceTriangle      InstanceTriangle.cpp)
 
-CreateProject("Texture" 01_TextureFormat            TextureFormat.cpp)
+CreateProject("Texture" 05_texture_format   TextureFormat.cpp)
-#CreateProject("Texture" texture_rect        texture_rect.cpp)
+CreateProject("Texture" 06_texture_quad     texture_quad.cpp)
+CreateProject("Texture" 07_texture_rect     texture_rect.cpp)
 #CreateProject("Texture" HQFilterTexture HQFilterTexture.cpp)
 #CreateProject(06.Geometry2D Geometry2D.cpp)
 

example/Vulkan/texture_quad.cpp

@@ -0,0 +1,152 @@
+// texture quad
+// 画一个带纹理的四边形
+
+#include"VulkanAppFramework.h"
+#include<hgl/graph/VKTexture.h>
+#include<hgl/graph/VKSampler.h>
+#include<hgl/graph/VKInlinePipeline.h>
+#include<hgl/graph/VKRenderablePrimitiveCreater.h>
+#include<hgl/graph/mtl/2d/Material2DCreateConfig.h>
+#include<hgl/math/Math.h>
+
+using namespace hgl;
+using namespace hgl::graph;
+
+VK_NAMESPACE_BEGIN
+Texture2D *CreateTexture2DFromFile(GPUDevice *device,const OSString &filename);
+VK_NAMESPACE_END
+
+constexpr uint32_t SCREEN_WIDTH=256;
+constexpr uint32_t SCREEN_HEIGHT=256;
+
+constexpr uint32_t VERTEX_COUNT=4;
+
+constexpr float position_data[VERTEX_COUNT][2]=
+{
+    {-1, -1},
+    { 1, -1},
+    {-1,  1},
+    { 1,  1}
+};
+
+constexpr float tex_coord_data[VERTEX_COUNT][2]=
+{
+    {0,0},
+    {1,0},
+    {0,1},
+    {1,1}
+};
+
+constexpr float color_data[VERTEX_COUNT][4]=
+{   
+    {1,0,0,1},
+    {1,1,0,1},
+    {0,1,0,1},
+    {0,1,1,1}
+};
+
+constexpr uint32_t INDEX_COUNT=6;
+
+constexpr uint16 index_data[INDEX_COUNT]=
+{
+    0,1,3,
+    0,3,2
+};
+
+class TestApp:public VulkanApplicationFramework
+{
+private:
+
+//    Texture2D *         texture             =nullptr;
+//    Sampler *           sampler             =nullptr;
+    MaterialInstance *  material_instance   =nullptr;
+    Renderable *        render_obj          =nullptr;
+    Pipeline *          pipeline            =nullptr;
+
+private:
+
+    bool InitMaterial()
+    {
+        mtl::Material2DCreateConfig cfg(device->GetDeviceAttribute(),"VertexColor2d");
+
+        cfg.coordinate_system=CoordinateSystem2D::NDC;
+        cfg.local_to_world=false;
+
+        AutoDelete<mtl::MaterialCreateInfo> mci=mtl::CreateVertexColor2D(&cfg);
+
+        material_instance=db->CreateMaterialInstance(mci);
+
+        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
+
+        if(!pipeline)
+            return(false);
+
+        //texture=db->LoadTexture2D(OS_TEXT("res/image/lena.Tex2D"),true);
+        //if(!texture)return(false);
+
+        //sampler=db->CreateSampler();
+
+        //if(!material_instance->BindImageSampler(DescriptorSetType::Value,"tex",texture,sampler))return(false);
+
+        return(true);
+    }
+
+    bool InitVBO()
+    {
+        RenderablePrimitiveCreater rpc(db,VERTEX_COUNT);
+
+        if(!rpc.SetVBO(VAN::Position,   VF_V2F, position_data))return(false);
+        if(!rpc.SetVBO(VAN::Color,      VF_V4F, color_data   ))return(false);
+
+        if(!rpc.SetIBO(IndexType::U16,index_data,INDEX_COUNT))return(false);
+
+        render_obj=rpc.Create(material_instance,pipeline);
+        return(render_obj);
+    }
+
+public:
+
+    bool Init()
+    {
+        if(!VulkanApplicationFramework::Init(SCREEN_WIDTH,SCREEN_HEIGHT))
+            return(false);
+            
+        if(!InitMaterial())
+            return(false);
+
+        if(!InitVBO())
+            return(false);
+            
+        BuildCommandBuffer(render_obj);
+
+        return(true);
+    }
+
+    void Resize(int w,int h)override
+    {
+        VulkanApplicationFramework::Resize(w,h);
+        
+        BuildCommandBuffer(render_obj);
+    }
+};//class TestApp:public VulkanApplicationFramework
+
+int main(int,char **)
+{
+#ifdef _DEBUG
+    if(!CheckStrideBytesByFormat())
+        return 0xff;
+#endif//
+
+    TestApp app;
+
+    if(!app.Init())
+        return(-1);
+
+    while(app.Run());
+
+    return 0;
+}

res

@@ -1 +1 @@
-Subproject commit 008dbd5353e6afe7add287333cbda1b5c5fffdec
+Subproject commit dcb47143e5ff4e070bec7db33d35b15b7f0f82f7