Cycles uses the display_space_shader it gets from Blender. When requested the shader used to be a GPU_SHADER_2D_IMAGE_COLOR, which set the `color` uniform incorrectly. This resulted in a yellowish tint when used. To fix this the `GPU_SHADER_2D_IMAGE` shader will be used. Reviewed By: brecht, fclem Maniphest Tasks: T74119 Differential Revision: https://developer.blender.org/D6921