adjusted path of examples.

2023-09-27 11:36:39 +08:00
parent ca1bb80b5f
commit 253d113375
13 changed files with 42 additions and 25 deletions
--- a/example/Texture/texture_quad.cpp
+++ b/example/Texture/texture_quad.cpp
@@ -0,0 +1,140 @@
+// 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},
+    {1,1},
+    {0,1}
+};
+
+class TestApp:public VulkanApplicationFramework
+{
+private:
+
+    Texture2D *         texture             =nullptr;
+    Sampler *           sampler             =nullptr;
+    Material *          material            =nullptr;
+    MaterialInstance *  material_instance   =nullptr;
+    Renderable *        render_obj          =nullptr;
+    Pipeline *          pipeline            =nullptr;
+
+private:
+
+    bool InitMaterial()
+    {
+        mtl::Material2DCreateConfig cfg(device->GetDeviceAttribute(),"PureTexture2D",Prim::Fan);
+
+        cfg.coordinate_system=CoordinateSystem2D::NDC;
+        cfg.local_to_world=false;
+
+        AutoDelete<mtl::MaterialCreateInfo> mci=mtl::CreatePureTexture2D(&cfg);
+
+        material=db->CreateMaterial(mci);
+
+        if(!material)
+            return(false);
+
+//        pipeline=db->CreatePipeline(material_instance,sc_render_target,OS_TEXT("res/pipeline/solid2d"));
+        pipeline=CreatePipeline(material,InlinePipeline::Solid2D,Prim::Fan);     //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->BindImageSampler( DescriptorSetType::PerMaterial,     ///<描述符合集
+                                        mtl::SamplerName::Color,            ///<采样器名称
+                                        texture,                            ///<纹理
+                                        sampler))                           ///<采样器
+            return(false);
+
+        material_instance=db->CreateMaterialInstance(material);
+
+        return(true);
+    }
+
+    bool InitVBO()
+    {
+        RenderablePrimitiveCreater rpc(db,VERTEX_COUNT);
+
+        if(!rpc.SetVBO(VAN::Position,   VF_V2F, position_data))return(false);
+        if(!rpc.SetVBO(VAN::TexCoord,   VF_V2F, tex_coord_data))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;
+}