Add some accessors

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

diff --git a/source/renderer.cpp b/source/renderer.cpp
index bc49b0f802941f3ae2a7509ae86351dc51a67ca8..c558757f885654e0646f6392d9866b4bf52b205e 100644 (file)
--- a/source/renderer.cpp
+++ b/source/renderer.cpp
@@ -61,6 +61,16 @@ void Renderer::begin(const Camera *c)
        }
 }
 
+void Renderer::set_matrix(const Matrix &matrix)
+{
+       mtx_stack.load(matrix);
+}
+
+void Renderer::transform(const Matrix &matrix)
+{
+       mtx_stack *= matrix;
+}
+
 void Renderer::set_texture(const Texture *t)
 {
        state->texture = t;
@@ -257,10 +267,7 @@ void Renderer::apply_state()
                        {
                                const Matrix &m = mtx_stack.top();
                                standard_shdata.uniform("eye_obj_matrix", mtx_stack.top());
-                               LinAl::SquareMatrix<float, 3> nm;
-                               for(unsigned i=0; i<3; ++i)
-                                       for(unsigned j=0; j<3; ++j)
-                                               nm(i, j) = m(i, j);
+                               LinAl::SquareMatrix<float, 3> nm = m.block<3, 3>(0, 0);
                                nm = transpose(invert(nm));
                                standard_shdata.uniform_matrix3("eye_obj_normal_matrix", &nm(0, 0));
                                changed &= ~MODERN_MATRIX;