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rendering classes refactoring

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devZoGok
2021-10-19 19:06:41 +03:00
parent 217061e67b
commit 8f49bd1125
25 changed files with 1028 additions and 951 deletions
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root.cpp
+96 -79
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@@ -12,42 +12,48 @@
using namespace std;
namespace vb01{
static Root *root=nullptr;
static Root *root = nullptr;
Root* Root::getSingleton(){
if(!root)
root=new Root();
root = new Root();
return root;
}
void foo(GLFWwindow *window, int width, int height){
glViewport(0,0,width,height);
glViewport(0, 0, width, height);
}
Root::Root(){
rootNode=new Node(Vector3::VEC_ZERO);
guiNode=new Node(Vector3::VEC_ZERO);
rootNode = new Node(Vector3::VEC_ZERO);
guiNode = new Node(Vector3::VEC_ZERO);
camera=new Camera();
camera = new Camera();
}
void Root::start(int width,int height,string name){
this->width=width;
this->height=height;
void Root::start(int width, int height, string name){
this->width = width;
this->height = height;
initWindow(name);
initBloomFramebuffer();
initGuiPlane();
}
void Root::initWindow(string name){
glfwInit();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR,4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR,3);
glfwWindowHint(GLFW_OPENGL_PROFILE,GLFW_OPENGL_CORE_PROFILE);
window=glfwCreateWindow(width,height,name.c_str(),NULL,NULL);
if(window==NULL){
std::cout<<"Failed to load window.\n";
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
window = glfwCreateWindow(width, height, name.c_str(), NULL, NULL);
if(window == NULL){
cout << "Failed to load window.\n";
exit(-1);
}
glfwMakeContextCurrent(window);
glfwSetFramebufferSizeCallback(window,foo);
glfwSetFramebufferSizeCallback(window, foo);
if(!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)){
std::cout<<"Failed to load GLAD.\n";
cout << "Failed to load GLAD.\n";
exit(-1);
}
glEnable(GL_DEPTH_TEST);
@@ -56,44 +62,48 @@ namespace vb01{
glCullFace(GL_BACK);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
glGenFramebuffers(1,&FBO);
void Root::initBloomFramebuffer(){
glGenFramebuffers(1, &FBO);
glBindFramebuffer(GL_FRAMEBUFFER,FBO);
Texture *fragTexture=new Texture(width,height,false);
Texture *brightTexture=new Texture(width,height,false);
for(int i=0;i<2;i++){
glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0+i,GL_TEXTURE_2D,*((i==0?fragTexture:brightTexture)->getTexture()),0);
u32 colorAttachments[]{GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1};
glDrawBuffers(2, colorAttachments);
glGenRenderbuffers(1, &RBO);
glBindRenderbuffer(GL_RENDERBUFFER, RBO);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, width, height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER,RBO);
if(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
cout << "Not complete\n";
glBindFramebuffer(GL_FRAMEBUFFER, 0);
string basePath = "../../vb01/blur.";
blurShader = new Shader(basePath + "vert", basePath + "frag");
glGenFramebuffers(2, pingpongBuffers);
for(int i = 0; i < 2; i++){
glBindFramebuffer(GL_FRAMEBUFFER, pingpongBuffers[i]);
pingPongTextures[i] = new Texture(width, height, false);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, *(pingPongTextures[i]->getTexture()), 0);
if(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
cout << "Not complete\n";
}
u32 colorAttachments[]{GL_COLOR_ATTACHMENT0,GL_COLOR_ATTACHMENT1};
glDrawBuffers(2,colorAttachments);
}
glGenRenderbuffers(1,&RBO);
glBindRenderbuffer(GL_RENDERBUFFER,RBO);
glRenderbufferStorage(GL_RENDERBUFFER,GL_DEPTH24_STENCIL8,width,height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_DEPTH_STENCIL_ATTACHMENT,GL_RENDERBUFFER,RBO);
/*
*/
if(glCheckFramebufferStatus(GL_FRAMEBUFFER)!=GL_FRAMEBUFFER_COMPLETE)
cout<<"Not complete\n";
glBindFramebuffer(GL_FRAMEBUFFER,0);
void Root::initGuiPlane(){
Texture *fragTexture = new Texture(width, height, false);
Texture *brightTexture = new Texture(width, height, false);
for(int i = 0; i < 2; i++)
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 + i, GL_TEXTURE_2D, *((i == 0 ? fragTexture : brightTexture)->getTexture()), 0);
guiPlane=new Quad(Vector3(width,height,-1),false);
Material *mat=new Material(Material::MATERIAL_POST);
guiPlane = new Quad(Vector3(width, height, -1), false);
Material *mat = new Material(Material::MATERIAL_POST);
mat->addDiffuseMap(fragTexture);
mat->addDiffuseMap(brightTexture);
guiPlane->setMaterial(mat);
string basePath="../../vb01/blur.";
blurShader=new Shader(basePath+"vert",basePath+"frag");
glGenFramebuffers(2,pingpongBuffers);
for(int i=0;i<2;i++){
glBindFramebuffer(GL_FRAMEBUFFER,pingpongBuffers[i]);
pingPongTextures[i]=new Texture(width,height,false);
glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,GL_TEXTURE_2D,*(pingPongTextures[i]->getTexture()),0);
if(glCheckFramebufferStatus(GL_FRAMEBUFFER)!=GL_FRAMEBUFFER_COMPLETE)
cout<<"Not complete\n";
}
}
void Root::update(){
@@ -113,40 +123,14 @@ namespace vb01{
rootNode->update();
glBindFramebuffer(GL_FRAMEBUFFER,0);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
Material *material=guiPlane->getMaterial();
Shader *shader=material->getShader();
updateBloomFramebuffer();
bool horizontal=false;
blurShader->use();
blurShader->setVec2(Vector2(width,height),"screen");
for(int i=0;i<blurLevel;i++){
glBindFramebuffer(GL_FRAMEBUFFER,pingpongBuffers[horizontal]);
blurShader->setBool(horizontal,"horizontal");
if(i==0)
glBindTexture(GL_TEXTURE_2D,*(material->getDiffuseMap(1)->getTexture()));
else
pingPongTextures[!horizontal]->select();
guiPlane->render();
horizontal=!horizontal;
}
glBindFramebuffer(GL_FRAMEBUFFER,0);
shader->use();
shader->setVec2(Vector2(width,height),"screen");
shader->setBool(bloom,"bloom");
shader->setBool(hdr,"hdr");
shader->setFloat(exposure,"exposure");
shader->setFloat(gamma,"gamma");
material->getDiffuseMap(0)->select();
pingPongTextures[!horizontal]->select(1);
shader->setInt(0,"frag");
shader->setInt(1,"bright");
guiPlane->render();
glEnable(GL_DEPTH_TEST);
@@ -156,16 +140,49 @@ namespace vb01{
glfwPollEvents();
}
void Root::updateBloomFramebuffer(){
Material *material = guiPlane->getMaterial();
Shader *shader = material->getShader();
bool horizontal = false;
blurShader->use();
blurShader->setVec2(Vector2(width, height), "screen");
for(int i = 0; i < blurLevel; i++){
glBindFramebuffer(GL_FRAMEBUFFER, pingpongBuffers[horizontal]);
blurShader->setBool(horizontal, "horizontal");
if(i == 0)
glBindTexture(GL_TEXTURE_2D, *(material->getDiffuseMap(1)->getTexture()));
else
pingPongTextures[!horizontal]->select();
guiPlane->render();
horizontal = !horizontal;
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
shader->use();
shader->setVec2(Vector2(width, height), "screen");
shader->setBool(bloom, "bloom");
shader->setBool(hdr, "hdr");
shader->setFloat(exposure, "exposure");
shader->setFloat(gamma, "gamma");
material->getDiffuseMap(0)->select();
pingPongTextures[!horizontal]->select(1);
shader->setInt(0, "frag");
shader->setInt(1, "bright");
}
void Root::createSkybox(string textures[6]){
skybox = new Box(Vector3(10,10,10));
Material *skyboxMat=new Material(Material::MATERIAL_SKYBOX);
skybox = new Box(Vector3(1, 1, 1) * 10);
Material *skyboxMat = new Material(Material::MATERIAL_SKYBOX);
skyboxMat->addDiffuseMap(textures);
skybox->setMaterial(skyboxMat);
}
void Root::removeSkybox(){
Material *mat=skybox->getMaterial();
Material *mat = skybox->getMaterial();
delete skybox;
skybox=nullptr;
skybox = nullptr;
}
}