added TextRender.cpp/.h
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@@ -1,13 +1,6 @@
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#include<hgl/type/StringList.h>
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#include<hgl/graph/TextureLoader.h>
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#include<hgl/graph/TileData.h>
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#include<hgl/graph/font/TileFont.h>
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#include<hgl/graph/font/TextLayout.h>
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#include<hgl/graph/font/TextRenderable.h>
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#include<hgl/graph/font/TextRender.h>
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#include"VulkanAppFramework.h"
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#include<hgl/graph/VKTexture.h>
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#include<hgl/graph/VKSampler.h>
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#include<hgl/math/Math.h>
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using namespace hgl;
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@@ -16,192 +9,6 @@ using namespace hgl::graph;
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constexpr uint32_t SCREEN_WIDTH =1280;
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constexpr uint32_t SCREEN_HEIGHT=SCREEN_WIDTH/16*9;
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constexpr uint CHAR_BITMAP_SIZE=16; //字符尺寸
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class TextRender
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{
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GPUDevice * device =nullptr;
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RenderResource * db =nullptr;
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Material * material =nullptr;
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MaterialInstance * material_instance =nullptr;
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Sampler * sampler =nullptr;
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Pipeline * pipeline =nullptr;
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FontSource * eng_fs =nullptr;
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FontSource * chs_fs =nullptr;
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FontSourceMulti * font_source =nullptr;
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TileFont * tile_font =nullptr;
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TextLayout tl_engine; ///<文本排版引擎
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Color4f color;
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GPUBuffer * ubo_color =nullptr;
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public:
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TextRender(GPUDevice *dev)
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{
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device=dev;
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db=new RenderResource(device);
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}
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~TextRender()
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{
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SAFE_CLEAR(tile_font);
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SAFE_CLEAR(db);
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}
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private:
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bool InitTileFont()
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{
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Font eng_fnt(OS_TEXT("Source Code Pro"),0,CHAR_BITMAP_SIZE);
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Font chs_fnt(OS_TEXT("微软雅黑"),0,CHAR_BITMAP_SIZE);
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eng_fs=AcquireFontSource(eng_fnt);
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chs_fs=AcquireFontSource(chs_fnt);
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font_source=new FontSourceMulti(eng_fs);
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font_source->AddCJK(chs_fs);
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tile_font=device->CreateTileFont(font_source);
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return(true);
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}
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bool InitTextLayoutEngine()
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{
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CharLayoutAttr cla;
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TextLayoutAttributes tla;
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cla.CharColor=Color4f(COLOR::White);
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cla.BackgroundColor=Color4f(COLOR::Black);
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tla.char_layout_attr=&cla;
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tla.line_gap=0.1f;
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tl_engine.SetFont(tile_font->GetFontSource());
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tl_engine.Set(&tla);
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tl_engine.SetTextDirection(0);
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tl_engine.SetAlign(TextAlign::Left);
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tl_engine.SetMaxWidth(0);
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tl_engine.SetMaxHeight(0);
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return tl_engine.Init();
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}
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bool InitUBO()
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{
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color.One();
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ubo_color=db->CreateUBO(sizeof(Color4f),&color);
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if(!ubo_color)
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return(false);
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return(true);
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}
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bool InitMaterial(RenderPass *rp,GPUBuffer *ubo_camera_info)
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{
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material=db->CreateMaterial(OS_TEXT("res/material/LumTextureRect2D"));
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//文本渲染Position坐标全部是使用整数，这里强制要求Position输入流使用RGBA16I格式
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{
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VABConfigInfo vab_config;
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VAConfig va_cfg;
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va_cfg.format=VF_V4I16;
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va_cfg.instance=false;
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vab_config.Add("Position",va_cfg);
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material_instance=db->CreateMaterialInstance(material,&vab_config);
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if(!material_instance)return(false);
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}
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pipeline=rp->CreatePipeline(material_instance,InlinePipeline::Solid2D,Prim::SolidRectangles);
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if(!pipeline)return(false);
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sampler=db->CreateSampler();
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{
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MaterialParameters *mp_global=material_instance->GetMP(DescriptorSetsType::Global);
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if(!mp_global)
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return(false);
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if(!mp_global->BindUBO("g_camera",ubo_camera_info))return(false);
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mp_global->Update();
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}
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{
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MaterialParameters *mp=material_instance->GetMP(DescriptorSetsType::Value);
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if(!mp)
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return(false);
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if(!mp->BindSampler("lum_texture",tile_font->GetTexture(),sampler))return(false);
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if(!mp->BindUBO("color_material",ubo_color))return(false);
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mp->Update();
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}
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return(true);
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}
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public:
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bool Init(RenderPass *rp,GPUBuffer *ubo_camera_info)
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{
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if(!InitTileFont())
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return(false);
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if(!InitTextLayoutEngine())
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return(false);
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if(!InitUBO())
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return(false);
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if(!InitMaterial(rp,ubo_camera_info))
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return(false);
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return(true);
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}
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TextRenderable *CreateRenderable()
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{
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return db->CreateTextRenderable(material);
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}
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RenderableInstance *CreateRenderableInstance(TextRenderable *text_render_obj,const UTF16String &str)
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{
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if(tl_engine.SimpleLayout(text_render_obj,tile_font,str)<=0)
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return(nullptr);
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return db->CreateRenderableInstance(text_render_obj,material_instance,pipeline);
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}
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};//class TextRender
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TextRender *CreateTextRender(GPUDevice *dev,RenderPass *rp,GPUBuffer *ubo_camera_info)
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{
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if(!dev||!rp||!ubo_camera_info)
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return(nullptr);
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TextRender *text_render=new TextRender(dev);
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if(!text_render->Init(rp,ubo_camera_info))
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{
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delete text_render;
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return(nullptr);
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}
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return text_render;
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}
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class TestApp:public VulkanApplicationFramework
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{
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Camera cam;
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