180 lines
4.2 KiB
C++
180 lines
4.2 KiB
C++
// 2.RectanglePrimivate
|
||
// 该示例是texture_rect的进化，演示使用GeometryShader画矩形
|
||
|
||
#include"VulkanAppFramework.h"
|
||
#include<hgl/graph/vulkan/VKTexture.h>
|
||
#include<hgl/graph/vulkan/VKSampler.h>
|
||
#include<hgl/math/Math.h>
|
||
|
||
using namespace hgl;
|
||
using namespace hgl::graph;
|
||
|
||
VK_NAMESPACE_BEGIN
|
||
Texture2D *CreateTextureFromFile(Device *device,const OSString &filename);
|
||
VK_NAMESPACE_END
|
||
|
||
constexpr uint32_t SCREEN_SIZE=512;
|
||
|
||
constexpr uint32_t VERTEX_COUNT=1;
|
||
|
||
constexpr float BORDER=0.1;
|
||
|
||
constexpr float vertex_data[4]=
|
||
{
|
||
SCREEN_SIZE*BORDER, SCREEN_SIZE*BORDER,
|
||
SCREEN_SIZE*(1.0-BORDER), SCREEN_SIZE*(1.0-BORDER)
|
||
};
|
||
|
||
constexpr float tex_coord_data[4]=
|
||
{
|
||
0,0,1,1
|
||
};
|
||
|
||
class TestApp:public VulkanApplicationFramework
|
||
{
|
||
Camera cam;
|
||
|
||
private:
|
||
|
||
vulkan::Material * material =nullptr;
|
||
vulkan::Texture2D * texture =nullptr;
|
||
vulkan::Sampler * sampler =nullptr;
|
||
vulkan::MaterialInstance * material_instance =nullptr;
|
||
vulkan::Renderable * render_obj =nullptr;
|
||
vulkan::Buffer * ubo_mvp =nullptr;
|
||
|
||
vulkan::Pipeline * pipeline =nullptr;
|
||
|
||
vulkan::VertexBuffer * vertex_buffer =nullptr;
|
||
vulkan::VertexBuffer * tex_coord_buffer =nullptr;
|
||
|
||
public:
|
||
|
||
~TestApp()
|
||
{
|
||
SAFE_CLEAR(tex_coord_buffer);
|
||
SAFE_CLEAR(vertex_buffer);
|
||
SAFE_CLEAR(pipeline);
|
||
SAFE_CLEAR(ubo_mvp);
|
||
SAFE_CLEAR(render_obj);
|
||
SAFE_CLEAR(material_instance);
|
||
SAFE_CLEAR(sampler);
|
||
SAFE_CLEAR(texture);
|
||
SAFE_CLEAR(material);
|
||
}
|
||
|
||
private:
|
||
|
||
bool InitMaterial()
|
||
{
|
||
material=shader_manage->CreateMaterial( OS_TEXT("res/shader/DrawRect2D.vert"),
|
||
OS_TEXT("res/shader/DrawRect2D.geom"),
|
||
OS_TEXT("res/shader/FlatTexture.frag"));
|
||
if(!material)
|
||
return(false);
|
||
|
||
render_obj=material->CreateRenderable(VERTEX_COUNT);
|
||
material_instance=material->CreateInstance();
|
||
|
||
texture=vulkan::CreateTextureFromFile(device,OS_TEXT("res/image/lena.Tex2D"));
|
||
|
||
sampler=device->CreateSampler();
|
||
|
||
material_instance->BindSampler("tex",texture,sampler);
|
||
material_instance->BindUBO("world",ubo_mvp);
|
||
material_instance->Update();
|
||
|
||
return(true);
|
||
}
|
||
|
||
bool InitUBO()
|
||
{
|
||
const VkExtent2D extent=sc_render_target->GetExtent();
|
||
|
||
cam.width=extent.width;
|
||
cam.height=extent.height;
|
||
|
||
cam.Refresh();
|
||
|
||
ubo_mvp=device->CreateUBO(sizeof(WorldMatrix),&cam.matrix);
|
||
|
||
if(!ubo_mvp)
|
||
return(false);
|
||
|
||
return(true);
|
||
}
|
||
|
||
void InitVBO()
|
||
{
|
||
vertex_buffer =device->CreateVBO(FMT_RGBA32F,VERTEX_COUNT,vertex_data);
|
||
tex_coord_buffer=device->CreateVBO(FMT_RGBA32F,VERTEX_COUNT,tex_coord_data);
|
||
|
||
render_obj->Set("Vertex",vertex_buffer);
|
||
render_obj->Set("TexCoord",tex_coord_buffer);
|
||
}
|
||
|
||
bool InitPipeline()
|
||
{
|
||
AutoDelete<vulkan::PipelineCreater>
|
||
pipeline_creater=new vulkan::PipelineCreater(device,material,sc_render_target);
|
||
pipeline_creater->CloseCullFace();
|
||
pipeline_creater->Set(PRIM_RECTANGLES);
|
||
|
||
pipeline=pipeline_creater->Create();
|
||
|
||
return pipeline;
|
||
}
|
||
|
||
public:
|
||
|
||
bool Init()
|
||
{
|
||
if(!VulkanApplicationFramework::Init(SCREEN_SIZE,SCREEN_SIZE))
|
||
return(false);
|
||
|
||
if(!InitUBO())
|
||
return(false);
|
||
|
||
if(!InitMaterial())
|
||
return(false);
|
||
|
||
InitVBO();
|
||
|
||
if(!InitPipeline())
|
||
return(false);
|
||
|
||
BuildCommandBuffer(pipeline,material_instance,render_obj);
|
||
|
||
return(true);
|
||
}
|
||
|
||
void Resize(int w,int h)override
|
||
{
|
||
cam.width=w;
|
||
cam.height=h;
|
||
|
||
cam.Refresh();
|
||
|
||
ubo_mvp->Write(&cam.matrix);
|
||
|
||
BuildCommandBuffer(pipeline,material_instance,render_obj);
|
||
}
|
||
};//class TestApp:public VulkanApplicationFramework
|
||
|
||
int main(int,char **)
|
||
{
|
||
#ifdef _DEBUG
|
||
if(!vulkan::CheckStrideBytesByFormat())
|
||
return 0xff;
|
||
#endif//
|
||
|
||
TestApp app;
|
||
|
||
if(!app.Init())
|
||
return(-1);
|
||
|
||
while(app.Run());
|
||
|
||
return 0;
|
||
}
|