includes/utils.h

@@ -36,4 +36,7 @@ void loadImg(const char *filename, const GLuint texture);
 // Copy a texture
 void copyTexture(const GLuint, const GLuint);
 
+// Get the current FBO ID
+GLuint getCurrentFramebufferID(void);
+
 #endif

src/animations.c

@@ -76,6 +76,7 @@ static void transition_draw(void (*a0)(int), void (*a1)(int), Uint32 t,
   glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
                                         GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME,
                                         (GLint *)&_transition_tId);
+  GLint currentFramebufferID = getCurrentFramebufferID();
 
   glBindFramebuffer(GL_FRAMEBUFFER, _transition_fbo[0]);
   glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
@@ -91,7 +92,7 @@ static void transition_draw(void (*a0)(int), void (*a1)(int), Uint32 t,
     a1(state);
   }
 
-  glBindFramebuffer(GL_FRAMEBUFFER, 0);
+  glBindFramebuffer(GL_FRAMEBUFFER, currentFramebufferID);
   glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
                          _transition_tId, 0);
 

src/manif.c

@@ -92,6 +92,8 @@ static void draw(void) {
   gl4duLookAtf(9, 6, 0, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f);
   glCullFace(GL_FRONT);
 
+  GLint currentFramebufferID = getCurrentFramebufferID();
+
   glBindFramebuffer(GL_FRAMEBUFFER, _fbo);
   glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D,
                          _shadow_map_tex, 0);
@@ -100,7 +102,7 @@ static void draw(void) {
   for (int i = 0; i < HEROS_NUMBER; ++i) {
     drawManifestant(matrix_model, &_herosId[i], deplacement, GL_TRUE);
   }
-  glBindFramebuffer(GL_FRAMEBUFFER, 0);
+  glBindFramebuffer(GL_FRAMEBUFFER, currentFramebufferID);
 
   glCullFace(GL_BACK);
   glDrawBuffer(GL_COLOR_ATTACHMENT0);

src/utils.c

@@ -88,3 +88,10 @@ void copyTexture(const GLuint src, const GLuint dst) {
   SDL_FreeSurface(s);
   glBindTexture(GL_TEXTURE_2D, 0);
 }
+
+GLuint getCurrentFramebufferID(void) {
+  GLint currentFramebufferID = 0;
+  glGetIntegerv(GL_FRAMEBUFFER_BINDING, &currentFramebufferID);
+
+  return currentFramebufferID;
+}