refactor & fix random deleting texture

src/graphics/core/Batch2D.cpp

@@ -60,17 +60,17 @@ void Batch2D::vertex(
     index++;
 }
 
-void Batch2D::texture(const Texture* new_texture){
-    if (currentTexture == new_texture) {
+void Batch2D::texture(const Texture* newTexture){
+    if (currentTexture == newTexture) {
         return;
     }
     flush();
-    currentTexture = new_texture;
-    if (new_texture == nullptr) {
+    currentTexture = newTexture;
+    if (newTexture == nullptr) {
         blank->bind();
         region = blank->getUVRegion();
     } else {
-        new_texture->bind();
+        newTexture->bind();
         region = currentTexture->getUVRegion();
     }
 }

src/graphics/core/Batch3D.cpp

@@ -8,8 +8,6 @@
 
 Batch3D::Batch3D(size_t capacity)
     : capacity(capacity) {
-
-
     buffer = std::make_unique<Batch3DVertex[]>(capacity);
     mesh = std::make_unique<Mesh<Batch3DVertex>>(buffer.get(), 0);
     index = 0;

src/graphics/core/Framebuffer.cpp

@@ -42,9 +42,6 @@ Framebuffer::Framebuffer(uint width, uint height, bool alpha)
     // Setup color attachment (texture)
     texture = create_texture(width, height, format);
 
-    unsigned int attachments[1] = { GL_COLOR_ATTACHMENT0 };
-    glDrawBuffers(1, attachments);
-
     // Setup depth attachment
     glGenRenderbuffers(1, &depth);
     glBindRenderbuffer(GL_RENDERBUFFER, depth);
@@ -60,7 +57,7 @@ Framebuffer::Framebuffer(uint width, uint height, bool alpha)
 
 Framebuffer::~Framebuffer() {
     glDeleteFramebuffers(1, &fbo);
-    glDeleteTextures(1, &depth);
+    glDeleteRenderbuffers(1, &depth);
 }
 
 void Framebuffer::bind() {

src/graphics/core/PostProcessing.cpp

@@ -135,20 +135,21 @@ void PostProcessing::render(
     const auto& vp = context.getViewport();
     refreshFbos(vp.x, vp.y);
 
+    glActiveTexture(GL_TEXTURE4);
+    glBindTexture(GL_TEXTURE_2D, shadowMap);
+
     if (gbuffer) {
         gbuffer->bindBuffers();
 
         glActiveTexture(GL_TEXTURE3);
         glBindTexture(GL_TEXTURE_2D, noiseTexture);
-    
-        glActiveTexture(GL_TEXTURE4);
-        glBindTexture(GL_TEXTURE_2D, shadowMap);
+
+        glActiveTexture(GL_TEXTURE0);
     } else {
+        glActiveTexture(GL_TEXTURE0);
         fbo->getTexture()->bind();
     }
 
-    glActiveTexture(GL_TEXTURE0);
-
     if (totalPasses == 0) {
         auto& effect = assets.require<PostEffect>("default");
         auto& shader = effect.use();