Add a helper function to set variables and flags in PipelineState

[libs/gl.git] / source / core / pipelinestate.cpp

diff --git a/source/core/pipelinestate.cpp b/source/core/pipelinestate.cpp
index cfeed9ab26fcd29a1734e225e82a3a33a02a04dc..66188d910c085f9ecafffae6467c43358393d95d 100644 (file)
--- a/source/core/pipelinestate.cpp
+++ b/source/core/pipelinestate.cpp
@@ -39,49 +39,39 @@ PipelineState::~PipelineState()
                last_applied = 0;
 }
 
-void PipelineState::set_shader_program(const Program *p)
+template<typename T>
+void PipelineState::set(T &target, T value, unsigned flag)
 {
-       if(p!=shprog)
+       if(value!=target)
        {
-               shprog = p;
-               changes |= SHPROG;
+               target = value;
+               changes |= flag;
        }
 }
 
+void PipelineState::set_shader_program(const Program *p)
+{
+       set(shprog, p, SHPROG);
+}
+
 void PipelineState::set_vertex_setup(const VertexSetup *s)
 {
-       if(s!=vertex_setup)
-       {
-               vertex_setup = s;
-               changes |= VERTEX_SETUP;
-       }
+       set(vertex_setup, s, VERTEX_SETUP);
 }
 
 void PipelineState::set_front_face(FaceWinding w)
 {
-       if(w!=front_face)
-       {
-               front_face = w;
-               changes |= FACE_CULL;
-       }
+       set(front_face, w, FACE_CULL);
 }
 
 void PipelineState::set_face_cull(CullMode c)
 {
-       if(c!=face_cull)
-       {
-               face_cull = c;
-               changes |= FACE_CULL;
-       }
+       set(face_cull, c, FACE_CULL);
 }
 
 void PipelineState::set_enabled_clip_planes(unsigned p)
 {
-       if(p!=enabled_clip_planes)
-       {
-               enabled_clip_planes = p;
-               changes |= CLIP_PLANES;
-       }
+       set(enabled_clip_planes, p, CLIP_PLANES);
 }
 
 void PipelineState::set_texture(unsigned binding, const Texture *tex, const Sampler *samp)