Merge pull request #171 from gaborpapp/texture-upload-fix

fixed OpenGLDepthPacketProcessor texture upload

Author: floe

examples/protonect/src/opengl_depth_packet_processor.cpp

@@ -278,12 +278,15 @@ struct Texture : public WithOpenGLBindings
     bindToUnit(GL_TEXTURE0);
     glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
     glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
+    glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
     glTexImage2D(GL_TEXTURE_RECTANGLE, 0, FormatT::InternalFormat, width, height, 0, FormatT::Format, FormatT::Type, 0);
   }
 
   void upload()
   {
     bindToUnit(GL_TEXTURE0);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
     glTexSubImage2D(GL_TEXTURE_RECTANGLE, /*level*/0, /*xoffset*/0, /*yoffset*/0, width, height, FormatT::Format, FormatT::Type, data);
   }