Replace ProgramData copy constructor with a more explicit copy function

[libs/gl.git] / source / materials / rendermethod.cpp

diff --git a/source/materials/rendermethod.cpp b/source/materials/rendermethod.cpp
index 0302a9934e75ac3c3d143155a5746c522139ff13..5c838ef945624629483ea2fff992b1564285137a 100644 (file)
--- a/source/materials/rendermethod.cpp
+++ b/source/materials/rendermethod.cpp
@@ -38,7 +38,11 @@ void RenderMethod::maybe_create_material_shader()
        shprog = material->create_compatible_shader(extra_spec);
 
        if(shdata)
-               shdata = new ProgramData(*shdata, shprog);
+       {
+               RefPtr<ProgramData> old_shdata = shdata;
+               shdata = new ProgramData(shprog);
+               shdata->copy_uniforms(*old_shdata);
+       }
 
        shprog_from_material = true;
 }
@@ -47,7 +51,13 @@ void RenderMethod::set_shader_program(const Program *prog, const ProgramData *da
 {
        shprog = prog;
        shprog_from_material = false;
-       shdata = (data ? new ProgramData(*data) : 0);
+       if(data)
+       {
+               shdata = new ProgramData;
+               shdata->copy_uniforms(*data);
+       }
+       else
+               shdata = 0;
        maybe_create_material_shader();
 }
 
@@ -194,7 +204,11 @@ void RenderMethod::Loader::shader(const string &n)
        obj.shprog = &get_collection().get<Program>(n);
        obj.shprog_from_material = false;
        if(obj.shdata)
-               obj.shdata = new ProgramData(*obj.shdata, obj.shprog);
+       {
+               RefPtr<ProgramData> old_shdata = obj.shdata;
+               obj.shdata = new ProgramData(obj.shprog);
+               obj.shdata->copy_uniforms(*old_shdata);
+       }
 }
 
 void RenderMethod::Loader::texture(const string &n)
@@ -216,7 +230,11 @@ void RenderMethod::Loader::uniforms()
        if(!obj.shdata)
                obj.shdata = new ProgramData(obj.shprog);
        else if(obj.shdata.refcount()>1)
-               obj.shdata = new ProgramData(*obj.shdata);
+       {
+               RefPtr<ProgramData> old_shdata = obj.shdata;
+               obj.shdata = new ProgramData;
+               obj.shdata->copy_uniforms(*old_shdata);
+       }
        load_sub(*obj.shdata);
 }