ApfelTeeSaft/vb01
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toggleable use of HDR and bloom

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This commit is contained in:
devZoGok
2025-07-19 16:03:58 +03:00
parent 2341a4b1cc
commit 0aa92ec08b
2 changed files with 55 additions and 26 deletions
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root.cpp
+53 -24
View File
@@ -56,14 +56,49 @@ namespace vb01{
brdfLutPlane = new Quad(Vector3(1, 1, 1) * 2);
iblBox = new Box(Vector3::VEC_IJK);
blurShader = new Shader(libPath + "blur");
shader = new Shader(Root::getSingleton()->getLibPath() + "line3D");
for(int i = 0; i < 2; i++)
pingPongTextures[i] = new Texture(width, height, false);
Texture *fragTexture = new Texture(width, height, false);
Texture *brightTexture = new Texture(width, height, false);
initMainFramebuffer(fragTexture, brightTexture);
initBloomFramebuffer();
initMainFramebuffer(fragTexture, nullptr);
initGuiPlane(fragTexture, brightTexture);
}
shader = new Shader(Root::getSingleton()->getLibPath() + "line3D");
void Root::toggleHDR(bool hdr){
glDeleteFramebuffers((hdr ? 2 : 1), &FBO);
glDeleteRenderbuffers(1, &RBO);
Texture *fragTexture = ((Material::TextureUniform*)guiPlane->getMaterial()->getUniform("frag"))->value;
Texture *brightTexture = ((Material::TextureUniform*)guiPlane->getMaterial()->getUniform("bright"))->value;
initMainFramebuffer(fragTexture, (hdr ? brightTexture : nullptr));
this->hdr = hdr;
}
void Root::initBloomFramebuffer(){
glGenFramebuffers(2, pingpongBuffers);
for(int i = 0; i < 2; i++){
glBindFramebuffer(GL_FRAMEBUFFER, pingpongBuffers[i]);
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::toggleBloom(bool bloom){
this->bloom = bloom;
if(bloom)
initBloomFramebuffer();
else
glDeleteFramebuffers(2, pingpongBuffers);
}
void Root::initWindow(string name){
@@ -101,11 +136,14 @@ namespace vb01{
glBindFramebuffer(GL_FRAMEBUFFER, FBO);
u32 colorAttachments[]{GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1};
glFramebufferTexture2D(GL_FRAMEBUFFER, colorAttachments[0], GL_TEXTURE_2D, *fragTexture->getTexture(), 0);
for(int i = 0; i < 2; i++)
glFramebufferTexture2D(GL_FRAMEBUFFER, colorAttachments[i], GL_TEXTURE_2D, *((i == 0 ? fragTexture : brightTexture)->getTexture()), 0);
glDrawBuffers(2, colorAttachments);
if(brightTexture){
glFramebufferTexture2D(GL_FRAMEBUFFER, colorAttachments[1], GL_TEXTURE_2D, *brightTexture->getTexture(), 0);
glDrawBuffers(2, colorAttachments);
}
else
glDrawBuffers(1, colorAttachments);
glGenRenderbuffers(1, &RBO);
glBindRenderbuffer(GL_RENDERBUFFER, RBO);
@@ -118,20 +156,6 @@ namespace vb01{
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
void Root::initBloomFramebuffer(){
blurShader = new Shader(libPath + "blur");
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::initGuiPlane(Texture *fragTexture, Texture *brightTexture){
guiPlane = new Quad(Vector3(width, height, -1), false);
Material *mat = new Material(libPath + "postProcess");
@@ -167,7 +191,8 @@ namespace vb01{
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
updateBloomFramebuffer();
if(bloom) updateBloomFramebuffer();
updateGuiPlane();
glEnable(GL_DEPTH_TEST);
@@ -259,10 +284,14 @@ namespace vb01{
shader->setFloat(exposure, "exposure");
shader->setFloat(gamma, "gamma");
shader->setInt(0, "frag");
shader->setInt(1, "bright");
((Material::TextureUniform*)material->getUniform("frag"))->value->select(0);
((Material::TextureUniform*)material->getUniform("bright"))->value->select(1);
if(hdr){
shader->setInt(1, "bright");
((Material::TextureUniform*)material->getUniform("bright"))->value->select(1);
}
guiPlane->render();
}
root.h
+2 -2
View File
@@ -23,6 +23,8 @@ namespace vb01{
public:
void update();
void start(int, int, std::string, std::string);
void toggleHDR(bool);
void toggleBloom(bool);
inline Camera* getCamera(){return camera;}
inline Node* getRootNode(){return rootNode;}
inline Node* getGuiNode(){return guiNode;}
@@ -31,10 +33,8 @@ namespace vb01{
inline u32* getFBO(){return &FBO;}
inline u32* getRBO(){return &RBO;}
inline GLFWwindow* getWindow(){return window;}
inline void setHDREnabled(bool hdr){this->hdr = hdr;}
inline void setExposure(float exposure){this->exposure = exposure;}
inline void setGamma(float gamma){this->gamma = gamma;}
inline void setBloom(bool bloom){this->bloom = bloom;}
inline void setBlurLevel(bool level){this->blurLevel = level;}
inline Box* getSkybox(){return skybox;}
inline Box* getIblBox(){return iblBox;}