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improve the OffscreenRender example.

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This commit is contained in:
hyzboy 2020-10-19 22:24:51 +08:00
parent 7d856a5c79
commit 7f38492dcc
1 changed files with 47 additions and 83 deletions
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130
example/Vulkan/OffscreenRender.cpp
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@ -1,55 +1,15 @@
#include<hgl/graph/vulkan/VKRenderTarget.h> #include<hgl/graph/vulkan/VKRenderTarget.h>
#include<hgl/graph/InlineGeometry.h>
#include"VulkanAppFramework.h" #include"VulkanAppFramework.h"
using namespace hgl; using namespace hgl;
using namespace hgl::graph; using namespace hgl::graph;
constexpr uint OFFSCREEN_SIZE =64; constexpr uint OFFSCREEN_SIZE =16;
constexpr uint SCREEN_WIDTH =1024; constexpr uint SCREEN_WIDTH =1024;
constexpr uint SCREEN_HEIGHT =(SCREEN_WIDTH/16)*9; constexpr uint SCREEN_HEIGHT =(SCREEN_WIDTH/16)*9;
constexpr uint32_t TRIANGLE_VERTEX_COUNT=3; class TestApp:public CameraAppFramework
constexpr float triangle_vertex_data[TRIANGLE_VERTEX_COUNT][2]=
{
{OFFSCREEN_SIZE*0.5, OFFSCREEN_SIZE*0.25},
{OFFSCREEN_SIZE*0.75, OFFSCREEN_SIZE*0.75},
{OFFSCREEN_SIZE*0.25, OFFSCREEN_SIZE*0.75}
};
constexpr float triangle_color_data[TRIANGLE_VERTEX_COUNT][3]=
{ {1,0,0},
{0,1,0},
{0,0,1}
};
constexpr uint32_t RECT_VERTEX_COUNT=4;
constexpr float rect_vertex_data[RECT_VERTEX_COUNT][2]=
{
{0, 0},
{SCREEN_WIDTH, 0},
{0, SCREEN_HEIGHT},
{SCREEN_WIDTH, SCREEN_HEIGHT}
};
constexpr float rect_texcoord_data[RECT_VERTEX_COUNT][2]=
{
{0,0},
{1,0},
{0,1},
{1,1}
};
constexpr uint32_t RECT_INDEX_COUNT=6;
constexpr uint16 rect_index_data[RECT_INDEX_COUNT]=
{
0,1,3,
0,3,2
};
class TestApp:public VulkanApplicationFramework
{ {
struct RenderObject struct RenderObject
{ {
@ -69,13 +29,14 @@ class TestApp:public VulkanApplicationFramework
struct:public RenderObject struct:public RenderObject
{ {
Camera cam;
vulkan::Sampler * sampler =nullptr; vulkan::Sampler * sampler =nullptr;
vulkan::Pipeline * pipeline =nullptr; vulkan::Pipeline * pipeline =nullptr;
vulkan::RenderableInstance *renderable_instance =nullptr; vulkan::RenderableInstance *renderable_instance =nullptr;
}rect;
SceneNode scene_root;
RenderList render_list;
}cube;
public: public:
@ -109,25 +70,31 @@ public:
os.material_instance=db->CreateMaterialInstance(OS_TEXT("res/material/VertexColor2D")); os.material_instance=db->CreateMaterialInstance(OS_TEXT("res/material/VertexColor2D"));
if(!os.material_instance)return(false); if(!os.material_instance)return(false);
os.pipeline=db->CreatePipeline(os.material_instance,os.render_taget,vulkan::InlinePipeline::Solid2D); os.pipeline=db->CreatePipeline(os.material_instance,os.render_taget,vulkan::InlinePipeline::Solid2D,Prim::Fan);
if(!os.pipeline)return(false); if(!os.pipeline)return(false);
if(!InitUBO(&os,os.render_taget->GetExtent())) if(!InitUBO(&os,os.render_taget->GetExtent()))
return(false); return(false);
{ {
vulkan::Renderable *render_obj=db->CreateRenderable(TRIANGLE_VERTEX_COUNT); CircleCreateInfo cci;
if(!render_obj)return(false);
cci.center.Set(OFFSCREEN_SIZE*0.5,OFFSCREEN_SIZE*0.5);
cci.radius.Set(OFFSCREEN_SIZE*0.45,OFFSCREEN_SIZE*0.45);
cci.field_count=32;
cci.has_color=true;
cci.center_color.Set(1,1,1,1);
cci.border_color.Set(1,1,1,0);
if(!render_obj->Set(VAN::Position, db->CreateVAB(VAF_VEC2,TRIANGLE_VERTEX_COUNT,triangle_vertex_data)))return(false); vulkan::Renderable *render_obj=CreateRenderableCircle(db,os.material_instance->GetMaterial(),&cci);
if(!render_obj->Set(VAN::Color, db->CreateVAB(VAF_VEC3,TRIANGLE_VERTEX_COUNT,triangle_color_data)))return(false); if(!render_obj)return(false);
os.renderable_instance=db->CreateRenderableInstance(render_obj,os.material_instance,os.pipeline); os.renderable_instance=db->CreateRenderableInstance(render_obj,os.material_instance,os.pipeline);
if(!os.renderable_instance)return(false); if(!os.renderable_instance)return(false);
} }
BuildCommandBuffer(os.render_taget,os.renderable_instance); VulkanApplicationFramework::BuildCommandBuffer(os.render_taget,os.renderable_instance);
os.render_taget->Submit(nullptr); os.render_taget->Submit(nullptr);
os.render_taget->WaitQueue(); os.render_taget->WaitQueue();
@ -135,39 +102,43 @@ public:
return(true); return(true);
} }
bool InitRectangle() bool InitCube()
{ {
rect.material_instance=db->CreateMaterialInstance(OS_TEXT("res/material/Texture2D")); cube.material_instance=db->CreateMaterialInstance(OS_TEXT("res/material/TextureMask3D"));
if(!rect.material_instance)return(false); if(!cube.material_instance)return(false);
rect.pipeline=CreatePipeline(rect.material_instance,vulkan::InlinePipeline::Alpha2D); cube.pipeline=CreatePipeline(cube.material_instance,vulkan::InlinePipeline::Solid3D);
if(!rect.pipeline)return(false); if(!cube.pipeline)return(false);
cube.sampler=db->CreateSampler();
if(!cube.sampler)return(false);
rect.sampler=db->CreateSampler(); cube.material_instance->BindSampler("tex",os.render_taget->GetColorTexture(),cube.sampler);
rect.material_instance->BindSampler("tex",os.render_taget->GetColorTexture(),rect.sampler); cube.material_instance->BindUBO("world",GetCameraMatrixBuffer());
cube.material_instance->Update();
if(!InitUBO(&rect,sc_render_target->GetExtent()))
return(false);
{ {
vulkan::Renderable *render_obj=db->CreateRenderable(RECT_VERTEX_COUNT); CubeCreateInfo cci;
vulkan::Renderable *render_obj=CreateRenderableCube(db,cube.material_instance->GetMaterial(),&cci);
if(!render_obj)return(false); if(!render_obj)return(false);
if(!render_obj->Set(VAN::Position,db->CreateVAB(VAF_VEC2,RECT_VERTEX_COUNT,rect_vertex_data)))return(false); cube.renderable_instance=db->CreateRenderableInstance(render_obj,cube.material_instance,cube.pipeline);
if(!render_obj->Set(VAN::TexCoord,db->CreateVAB(VAF_VEC2,RECT_VERTEX_COUNT,rect_texcoord_data)))return(false);
if(!render_obj->Set(db->CreateIBO16(RECT_INDEX_COUNT,rect_index_data)))return(false);
rect.renderable_instance=db->CreateRenderableInstance(render_obj,rect.material_instance,rect.pipeline); cube.scene_root.Add(cube.renderable_instance);
} }
BuildCommandBuffer(rect.renderable_instance); cube.scene_root.RefreshMatrix();
cube.scene_root.ExpendToList(&cube.render_list);
camera.eye.Set(5,5,5,1.0);
return(true); return(true);
} }
bool Init() bool Init()
{ {
if(!VulkanApplicationFramework::Init(SCREEN_WIDTH,SCREEN_HEIGHT)) if(!CameraAppFramework::Init(SCREEN_WIDTH,SCREEN_HEIGHT))
return(false); return(false);
SetClearColor(COLOR::MozillaCharcoal); SetClearColor(COLOR::MozillaCharcoal);
@ -175,24 +146,17 @@ public:
if(!InitOffscreen()) if(!InitOffscreen())
return(false); return(false);
if(!InitRectangle()) if(!InitCube())
return(false); return(false);
return(true); return(true);
}
void Resize(int w,int h)override
{
rect.cam.width=w;
rect.cam.height=h;
rect.cam.Refresh();
rect.ubo_world_matrix->Write(&rect.cam.matrix);
BuildCommandBuffer(rect.renderable_instance);
} }
};//class TestApp:public VulkanApplicationFramework
void BuildCommandBuffer(uint32 index)
{
VulkanApplicationFramework::BuildCommandBuffer(index,&cube.render_list);
}
};//class TestApp:public CameraAppFramework
int main(int,char **) int main(int,char **)
{ {