Add a flag to RenderPass to render the back faces of a mesh

[libs/gl.git] / source / renderpass.cpp

diff --git a/source/renderpass.cpp b/source/renderpass.cpp
index 9ee79d4bb464340e438945c5aba50d843ed1ed0d..158e9fc8390206aea6025f7fae37ab844048068c 100644 (file)
--- a/source/renderpass.cpp
+++ b/source/renderpass.cpp
@@ -20,7 +20,8 @@ RenderPass::RenderPass():
        shprog(0),
        shdata(0),
        material(0),
-       texturing(0)
+       texturing(0),
+       back_faces(false)
 { }
 
 RenderPass::RenderPass(const RenderPass &other):
@@ -28,7 +29,8 @@ RenderPass::RenderPass(const RenderPass &other):
        shdata(other.shdata ? new ProgramData(*other.shdata) : 0),
        material(other.material),
        texturing(other.texturing ? new Texturing(*other.texturing) : 0),
-       tex_names(other.tex_names)
+       tex_names(other.tex_names),
+       back_faces(other.back_faces)
 { }
 
 RenderPass::~RenderPass()
@@ -70,6 +72,7 @@ void RenderPass::apply(Renderer &renderer) const
        renderer.set_texturing(texturing);
        renderer.set_material(material.get());
        renderer.set_shader_program(shprog, shdata.get());
+       renderer.set_reverse_winding(back_faces);
 }
 
 
@@ -90,6 +93,7 @@ void RenderPass::Loader::init()
        add("shader",   &RenderPass::shprog);
        add("material", &Loader::material_inline);
        add("material", &Loader::material);
+       add("back_faces",&RenderPass::back_faces);
        add("texunit",  &Loader::texunit);
        add("texunit",  &Loader::texunit_named);
        add("uniforms", &Loader::uniforms);