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[WIP] preparing UBO/SSBO<>

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This commit is contained in:
hyzboy
2025-02-01 16:32:08 +08:00
parent 3807d9fcbf
commit 7ec1c095cc
10 changed files with 174 additions and 61 deletions
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84
example/Basic/draw_triangle_use_UBO.cpp
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@@ -1,6 +1,6 @@
// 该范例主要演示使用2D坐系统直接绘制一个渐变色的三角形,使用UBO传递Viewport信息
#include"VulkanAppFramework.h"
#include<hgl/WorkManager.h>
#include<hgl/graph/VKVertexInputConfig.h>
#include<hgl/graph/PrimitiveCreater.h>
#include<hgl/graph/mtl/Material2DCreateConfig.h>
@@ -28,10 +28,20 @@ constexpr uint8 color_data[VERTEX_COUNT*4]=
//#define USE_ZERO2ONE_COORD //使用左上角0,0右下角1,1的坐标系
class TestApp:public VulkanApplicationFramework
#ifdef USE_ZERO2ONE_COORD
constexpr VkFormat PositionFormat=VF_V2F;
#define position_data position_data_float
#else
constexpr VkFormat PositionFormat=VF_V2U16;
#define position_data position_data_u16
#endif//
class TestApp:public WorkObject
{
private:
Color4f clear_color =Color4f(0.2f,0.2f,0.2f,1.0f);
MaterialInstance * material_instance =nullptr;
Renderable * render_obj =nullptr;
@@ -41,7 +51,7 @@ private:
bool InitMaterial()
{
mtl::Material2DCreateConfig cfg(device->GetDeviceAttribute(),"VertexColor2D",Prim::Triangles);
mtl::Material2DCreateConfig cfg(GetDeviceAttribute(),"VertexColor2D",Prim::Triangles);
VILConfig vil_config;
@@ -55,6 +65,14 @@ private:
// + 这上下两种格式要配套，否则会出错
// v
vil_config.Add(VAN::Position,VF_V2U16); //这里指定VAB中使用RG16U当做顶点数据格式
const auto ext=GetExtent2D();
for(uint i=0;i<VERTEX_COUNT;i++)
{
position_data_u16[i][0]=position_data_float[i][0]*ext.width;
position_data_u16[i][1]=position_data_float[i][1]*ext.height;
}
#endif//USE_ZERO2ONE_COORD
vil_config.Add(VAN::Color,VF_V4UN8); //这里指定VAB中使用RGBA8UNorm当做颜色数据格式
@@ -76,58 +94,38 @@ private:
bool InitVBO()
{
PrimitiveCreater rpc(device,material_instance->GetVIL());
rpc.Init("Triangle",VERTEX_COUNT);
#ifdef USE_ZERO2ONE_COORD //使用0 to 1坐标系
if(!rpc.WriteVAB(VAN::Position, VF_V2F, position_data_float ))return(false);
#else //使用ortho坐标系
if(!rpc.WriteVAB(VAN::Position, VF_V2U16, position_data_u16 ))return(false);
#endif//USE_ZERO2ONE_COORD
if(!rpc.WriteVAB(VAN::Color, VF_V4UN8, color_data ))return(false);
render_obj=db->CreateRenderable(&rpc,material_instance,pipeline);
return(true);
render_obj=CreateRenderable("Triangle",VERTEX_COUNT,material_instance,pipeline,
{
{VAN::Position,PositionFormat, position_data},
{VAN::Color, VF_V4UN8, color_data}
});
return(render_obj);
}
public:
bool Init(uint w,uint h)
TestApp(RenderFramework *rf):WorkObject(rf,rf->GetSwapchainRenderTarget())
{
if(!VulkanApplicationFramework::Init(w,h))
return(false);
#ifndef USE_ZERO2ONE_COORD
for(uint i=0;i<VERTEX_COUNT;i++)
{
position_data_u16[i][0]=position_data_float[i][0]*w;
position_data_u16[i][1]=position_data_float[i][1]*h;
}
#endif//
if(!InitMaterial())
return(false);
return;
if(!InitVBO())
return(false);
if(!BuildCommandBuffer(render_obj))
return(false);
return(true);
return;
}
void Resize(uint w,uint h)override
void Tick(double)override{}
void Render(double delta_time,graph::RenderCmdBuffer *cmd)
{
VulkanApplicationFramework::Resize(w,h);
cmd->SetClearColor(0,clear_color);
BuildCommandBuffer(render_obj);
cmd->BeginRenderPass();
cmd->Render(render_obj);
cmd->EndRenderPass();
}
};//class TestApp:public VulkanApplicationFramework
};//class TestApp:public WorkObject
int main(int,char **)
int os_main(int,os_char **)
{
return RunApp<TestApp>(1280,720);
return RunFramework<TestApp>(OS_TEXT("Draw triangle use UBO"));
}