hyzboy/ULRE
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

added TextRender.cpp/.h

Browse Source
This commit is contained in:
hyzboy 2022-02-16 23:26:50 +08:00
parent 196819e981
commit be2b3b7bcf
4 changed files with 243 additions and 195 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

195
example/Vulkan/DrawText.cpp
View File

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

66
inc/hgl/graph/font/TextRender.h Normal file
View File

@ -0,0 +1,66 @@
#ifndef HGL_GRAPH_TEXT_RENDER_INCLUDE
#define HGL_GRAPH_TEXT_RENDER_INCLUDE
#include<hgl/graph/VK.h>
#include<hgl/type/Color4f.h>
namespace hgl
{
namespace graph
{
class FontSource;
class FontSourceMulti;
class TileFont;
class TextLayout;
class TextRenderable;
class TextRender
{
GPUDevice * device =nullptr;
RenderResource * db =nullptr;
Material * material =nullptr;
MaterialInstance * material_instance =nullptr;
Sampler * sampler =nullptr;
Pipeline * pipeline =nullptr;
FontSource * eng_fs =nullptr;
FontSource * chs_fs =nullptr;
FontSourceMulti * font_source =nullptr;
TileFont * tile_font =nullptr;
TextLayout * tl_engine =nullptr;
Color4f color;
GPUBuffer * ubo_color =nullptr;
private:
friend TextRender *CreateTextRender(GPUDevice *,RenderPass *,GPUBuffer *);
TextRender(GPUDevice *dev);
public:
~TextRender();
private:
bool InitTileFont();
bool InitTextLayoutEngine();
bool InitUBO();
bool InitMaterial(RenderPass *,GPUBuffer *);
public:
bool Init(RenderPass *rp,GPUBuffer *ubo_camera_info);
TextRenderable *CreateRenderable();
RenderableInstance *CreateRenderableInstance(TextRenderable *text_render_obj,const UTF16String &str);
};//class TextRender
TextRender *CreateTextRender(GPUDevice *,RenderPass *,GPUBuffer *);
}//namespace graph
}//namespace hgl
#endif//HGL_GRAPH_TEXT_RENDER_INCLUDE

5
src/SceneGraph/CMakeLists.txt
View File

@ -62,12 +62,15 @@ SET(FONT_LAYOUT_SOURCE ${SG_INCLUDE_PATH}/font/TextLayout.h
font/TextLayout.cpp)
SET(TEXT_RENDERABLE_SOURCE ${SG_INCLUDE_PATH}/font/TextRenderable.h
${SG_INCLUDE_PATH}/font/TextRender.h
font/TextRender.cpp
font/TextRenderable.cpp)
SOURCE_GROUP("Font" FILES ${FONT_MANAGE_SOURCE})
SOURCE_GROUP("Font\\Source" FILES ${FONT_SOURCE})
SOURCE_GROUP("Font\\TileFont" FILES ${TILE_FONT_SOURCE})
SOURCE_GROUP("Font\\Layout" FILES ${FONT_LAYOUT_SOURCE} ${TEXT_RENDERABLE_SOURCE})
SOURCE_GROUP("Font\\Layout" FILES ${FONT_LAYOUT_SOURCE})
SOURCE_GROUP("Font\\Render" FILES ${TEXT_RENDERABLE_SOURCE})
IF(WIN32)
SET(FONT_SOURCE_OS font/FontSourceWin.cpp

172
src/SceneGraph/font/TextRender.cpp Normal file
View File

@ -0,0 +1,172 @@
#include<hgl/graph/font/TextRender.h>
#include<hgl/graph/font/TextRenderable.h>
#include<hgl/graph/font/TileFont.h>
#include<hgl/graph/font/TextLayout.h>
#include<hgl/graph/font/TextRenderable.h>
#include<hgl/graph/VKDevice.h>
constexpr uint CHAR_BITMAP_SIZE=16; //字符尺寸
namespace hgl
{
namespace graph
{
TextRender::TextRender(GPUDevice *dev)
{
device=dev;
db=new RenderResource(device);
tl_engine=new TextLayout();
}
TextRender::~TextRender()
{
SAFE_CLEAR(tl_engine);
SAFE_CLEAR(tile_font);
SAFE_CLEAR(db);
}
bool TextRender::InitTileFont()
{
Font eng_fnt(OS_TEXT("Source Code Pro"),0,CHAR_BITMAP_SIZE);
Font chs_fnt(OS_TEXT("微软雅黑"),0,CHAR_BITMAP_SIZE);
eng_fs=AcquireFontSource(eng_fnt);
chs_fs=AcquireFontSource(chs_fnt);
font_source=new FontSourceMulti(eng_fs);
font_source->AddCJK(chs_fs);
tile_font=device->CreateTileFont(font_source);
return(true);
}
bool TextRender::InitTextLayoutEngine()
{
CharLayoutAttr cla;
TextLayoutAttributes tla;
cla.CharColor=Color4f(COLOR::White);
cla.BackgroundColor=Color4f(COLOR::Black);
tla.char_layout_attr=&cla;
tla.line_gap=0.1f;
tl_engine->SetFont(tile_font->GetFontSource());
tl_engine->Set(&tla);
tl_engine->SetTextDirection(0);
tl_engine->SetAlign(TextAlign::Left);
tl_engine->SetMaxWidth(0);
tl_engine->SetMaxHeight(0);
return tl_engine->Init();
}
bool TextRender::InitUBO()
{
color.One();
ubo_color=db->CreateUBO(sizeof(Color4f),&color);
if(!ubo_color)
return(false);
return(true);
}
bool TextRender::InitMaterial(RenderPass *rp,GPUBuffer *ubo_camera_info)
{
material=db->CreateMaterial(OS_TEXT("res/material/LumTextureRect2D"));
//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
{
VABConfigInfo vab_config;
VAConfig va_cfg;
va_cfg.format=VF_V4I16;
va_cfg.instance=false;
vab_config.Add("Position",va_cfg);
material_instance=db->CreateMaterialInstance(material,&vab_config);
if(!material_instance)return(false);
}
pipeline=rp->CreatePipeline(material_instance,InlinePipeline::Solid2D,Prim::SolidRectangles);
if(!pipeline)return(false);
sampler=db->CreateSampler();
{
MaterialParameters *mp_global=material_instance->GetMP(DescriptorSetsType::Global);
if(!mp_global)
return(false);
if(!mp_global->BindUBO("g_camera",ubo_camera_info))return(false);
mp_global->Update();
}
{
MaterialParameters *mp=material_instance->GetMP(DescriptorSetsType::Value);
if(!mp)
return(false);
if(!mp->BindSampler("lum_texture",tile_font->GetTexture(),sampler))return(false);
if(!mp->BindUBO("color_material",ubo_color))return(false);
mp->Update();
}
return(true);
}
bool TextRender::Init(RenderPass *rp,GPUBuffer *ubo_camera_info)
{
if(!InitTileFont())
return(false);
if(!InitTextLayoutEngine())
return(false);
if(!InitUBO())
return(false);
if(!InitMaterial(rp,ubo_camera_info))
return(false);
return(true);
}
TextRenderable *TextRender::CreateRenderable()
{
return db->CreateTextRenderable(material);
}
RenderableInstance *TextRender::CreateRenderableInstance(TextRenderable *text_render_obj,const UTF16String &str)
{
if(tl_engine->SimpleLayout(text_render_obj,tile_font,str)<=0)
return(nullptr);
return db->CreateRenderableInstance(text_render_obj,material_instance,pipeline);
}
TextRender *CreateTextRender(GPUDevice *dev,RenderPass *rp,GPUBuffer *ubo_camera_info)
{
if(!dev||!rp||!ubo_camera_info)
return(nullptr);
TextRender *text_render=new TextRender(dev);
if(!text_render->Init(rp,ubo_camera_info))
{
delete text_render;
return(nullptr);
}
return text_render;
}
}//namespace graph
}//namespace hgl