no need to compile a shader for multiplying alpha

2019-03-10 13:44:14 +11:00
parent a834c8dc7c
commit 636cf64b3e
4 changed files with 2 additions and 25 deletions
@@ -143,18 +143,6 @@ struct ComposeSequenceParams {
    */
  QOpenGLShaderProgram* blend_mode_program;

-  /**
-    * @brief Premultiply alpha shader
-    *
-    * Used only for video rendering. Never accessed with audio rendering.
-    *
-    * compose_sequence()'s internal composition
-    * expects premultipled alpha, but it will pre-emptively multiply any footage that is not set as already
-    * premultiplied (see Footage::alpha_is_premultiplied) using this shader. Must be compiled and linked beforehand.
-    * See RenderThread::premultiply_program for how this is properly set up.
-    */
-  QOpenGLShaderProgram* premultiply_program;
-
  /**
    * @brief The OpenGL framebuffer object that the final texture to be shown is rendered to.
    *