When doing glReadPixels(), make sure we read from the right FBO.

[mlt] / src / modules / opengl / filter_glsl_manager.cpp

diff --git a/src/modules/opengl/filter_glsl_manager.cpp b/src/modules/opengl/filter_glsl_manager.cpp
index cd479b74a492b5c0ca2aec39fc62fd95ec225710..468e3b0422ef409facf577eadf5357a0f4e000c7 100644 (file)
--- a/src/modules/opengl/filter_glsl_manager.cpp
+++ b/src/modules/opengl/filter_glsl_manager.cpp
@@ -422,6 +422,8 @@ int GlslManager::render_frame_rgba(mlt_service service, mlt_frame frame, int wid
        render_fbo( service, chain, fbo->fbo, width, height );
 
        // Read FBO into PBO
+       glBindFramebuffer( GL_FRAMEBUFFER, fbo->fbo );
+       check_error();
        glBindBuffer( GL_PIXEL_PACK_BUFFER_ARB, pbo->pbo );
        check_error();
        glBufferData( GL_PIXEL_PACK_BUFFER_ARB, img_size, NULL, GL_STREAM_READ );