LoadTexture2DToArray OK! test ok!

example/Vulkan/texture_rect_array.cpp

@@ -0,0 +1,157 @@
+// texture rect
+// 画一个带纹理的矩形，2D模式专用
+
+#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=512;
+constexpr uint32_t SCREEN_HEIGHT=256;
+
+constexpr float position_data[4]=
+{
+    0,     //left
+    0,     //top
+    0.5,   //right
+    1      //bottom
+};
+
+constexpr float tex_coord_data[4]=
+{
+    0,0,
+    1,1
+};
+
+class TestApp:public VulkanApplicationFramework
+{
+private:
+
+    Texture2DArray *    texture             =nullptr;
+    Sampler *           sampler             =nullptr;
+    MaterialInstance *  material_instance   =nullptr;
+    Renderable *        render_obj          =nullptr;
+    Pipeline *          pipeline            =nullptr;
+
+    DeviceBuffer *      tex_id_ubo          =nullptr;
+
+private:
+
+    bool InitMaterial()
+    {
+        mtl::Material2DCreateConfig cfg(device->GetDeviceAttribute(),"RectTexture2DArray");
+
+        cfg.coordinate_system=CoordinateSystem2D::ZeroToOne;
+        cfg.local_to_world=false;
+
+        AutoDelete<mtl::MaterialCreateInfo> mci=mtl::CreateRectTexture2DArray(&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::SolidRectangles);     //等同上一行，为Framework重载，默认使用swapchain的render target
+
+        if(!pipeline)
+            return(false);
+
+        texture=this->device->CreateTexture2DArray( 512,512,            ///<纹理尺寸
+                                                    2,                  ///<纹理层数
+                                                    PF_BC1_RGBAUN,      ///<纹理格式
+                                                    false);             ///<是否自动产生mipmaps
+        
+        if(!texture)return(false);
+
+        db->LoadTexture2DToArray(texture,0,OS_TEXT("res/image/icon/freepik/001-online resume.Tex2D"));
+        db->LoadTexture2DToArray(texture,1,OS_TEXT("res/image/icon/freepik/002-salary.Tex2D"));
+
+        sampler=db->CreateSampler();
+
+        if(!material_instance->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);
+
+        return(true);
+    }
+
+    bool InitUBO()
+    {
+        tex_id_ubo=db->CreateUBO(sizeof(uint32_t));
+
+        uint id=0;
+
+        tex_id_ubo->Write(&id,sizeof(uint32_t));
+
+        return material_instance->BindUBO(DescriptorSetType::Global,"TexID",tex_id_ubo);
+    }
+
+    bool InitVBO()
+    {
+        RenderablePrimitiveCreater rpc(db,1);
+
+        if(!rpc.SetVBO(VAN::Position,VF_V4F,position_data))return(false);
+        if(!rpc.SetVBO(VAN::TexCoord,VF_V4F,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(!InitUBO())
+            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;
+}