Chain together vertex shaders, like with fragment shaders.

[movit] / effect.cpp

diff --git a/effect.cpp b/effect.cpp
index 3a4f8c8c3b30c8bbe3b2d4e423015e40b2af2825..15fff8c15dc0b3a834611d879da3b8bfaee1e274 100644 (file)
--- a/effect.cpp
+++ b/effect.cpp
@@ -152,3 +152,8 @@ void Effect::set_uniforms(GLuint glsl_program_num, const std::string& prefix)
                set_uniform_vec3(glsl_program_num, prefix, it->first, it->second);
        }
 }
+
+std::string Effect::output_vertex_shader()
+{
+       return read_file("identity-vs.glsl");
+}