fix framebuffer read

2018-05-09 12:04:29 +02:00
parent af0e588a94
commit f16adb8fcc
6 changed files with 57 additions and 13 deletions
--- a/engine/app.cpp
+++ b/engine/app.cpp
@@ -359,7 +359,14 @@ void App::update(float dt)
            #else
                glBindFramebuffer(GL_FRAMEBUFFER, 0);
            #endif
-            glReadBuffer(GL_BACK);
+            
+            GLint dfbo, rfbo;
+            glGetIntegerv(GL_READ_FRAMEBUFFER_BINDING, &rfbo);
+            glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &dfbo);
+            if (dfbo != rfbo)
+                LOG("DIFFERENT FB");
+
+            glReadBuffer(GL_FRONT);
            glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, data);
            {
                std::lock_guard<std::mutex> lock(rec_mutex);