Move lighting calculations to world space

[libs/gl.git] / source / effects / environmentmap.cpp

diff --git a/source/effects/environmentmap.cpp b/source/effects/environmentmap.cpp
index d9812c49bc0943d508b2f50ee4b5348c8dcd3fde..353f9841b27db9a72dab013343ada597d49924ca 100644 (file)
--- a/source/effects/environmentmap.cpp
+++ b/source/effects/environmentmap.cpp
@@ -12,14 +12,28 @@ namespace GL {
 
 EnvironmentMap::EnvironmentMap(Resources &resources, unsigned s, Renderable &r, Renderable &e):
        Effect(r),
-       size(s),
        environment(e),
-       sampler(resources.get<Sampler>("_linear_clamp.samp")),
-       rendered(false),
-       update_interval(1),
-       update_delay(0)
+       sampler(resources.get<Sampler>("_linear_clamp.samp"))
 {
-       env_tex.storage(RGB8, size, 1);
+       init(s, RGB8);
+}
+
+EnvironmentMap::EnvironmentMap(Resources &resources, unsigned s, PixelFormat f, Renderable &r, Renderable &e):
+       Effect(r),
+       environment(e),
+       sampler(resources.get<Sampler>("_linear_clamp.samp"))
+{
+       init(s, f);
+}
+
+void EnvironmentMap::init(unsigned s, PixelFormat f)
+{
+       size = s;
+       rendered = false;
+       update_interval = 1;
+       update_delay = 0;
+
+       env_tex.storage(f, size);
        depth_buf.storage(DEPTH_COMPONENT32F, size, size);
        for(unsigned i=0; i<6; ++i)
        {
@@ -33,6 +47,8 @@ EnvironmentMap::EnvironmentMap(Resources &resources, unsigned s, Renderable &r,
                faces[i].camera.set_aspect_ratio(1);
                faces[i].camera.set_depth_clip(0.1, 100);
        }
+
+       shdata.uniform("env_world_matrix", LinAl::SquareMatrix<float, 3>::identity());
 }
 
 void EnvironmentMap::set_depth_clip(float n, float f)
@@ -107,9 +123,6 @@ void EnvironmentMap::render(Renderer &renderer, Tag tag) const
 
        Renderer::Push _push_rend(renderer);
 
-       const Matrix &camera_matrix = renderer.get_camera()->get_object_matrix();
-       shdata.uniform("env_eye_matrix", camera_matrix.block<3, 3>(0, 0));
-
        renderer.set_texture("environment_map", &env_tex, &sampler);
        renderer.add_shader_data(shdata);
        renderer.render(renderable, tag);