Add a high-cutoff filter to the glow effect.

[movit] / util.cpp

diff --git a/util.cpp b/util.cpp
index 9eaa262734f284b53aebba1d1c2672538dcc3aee..0d852e725ad65cb989ce4872d54635596d754c06 100644 (file)
--- a/util.cpp
+++ b/util.cpp
@@ -102,52 +102,25 @@ GLuint compile_shader(const std::string &shader_src, GLenum type)
        return obj;
 }
 
-void multiply_3x3_matrices(const Matrix3x3 a, const Matrix3x3 b, Matrix3x3 result)
+void print_3x3_matrix(const Eigen::Matrix3d& m)
 {
-        result[0] = a[0] * b[0] + a[3] * b[1] + a[6] * b[2];
-        result[1] = a[1] * b[0] + a[4] * b[1] + a[7] * b[2];
-        result[2] = a[2] * b[0] + a[5] * b[1] + a[8] * b[2];
-
-        result[3] = a[0] * b[3] + a[3] * b[4] + a[6] * b[5];
-        result[4] = a[1] * b[3] + a[4] * b[4] + a[7] * b[5];
-        result[5] = a[2] * b[3] + a[5] * b[4] + a[8] * b[5];
-
-        result[6] = a[0] * b[6] + a[3] * b[7] + a[6] * b[8];
-        result[7] = a[1] * b[6] + a[4] * b[7] + a[7] * b[8];
-        result[8] = a[2] * b[6] + a[5] * b[7] + a[8] * b[8];
-}
-
-void multiply_3x3_matrix_float3(const Matrix3x3 M, float x0, float x1, float x2, float *y0, float *y1, float *y2)
-{
-       *y0 = M[0] * x0 + M[3] * x1 + M[6] * x2;
-       *y1 = M[1] * x0 + M[4] * x1 + M[7] * x2;
-       *y2 = M[2] * x0 + M[5] * x1 + M[8] * x2;
-}
-
-void invert_3x3_matrix(const Matrix3x3 m, Matrix3x3 result)
-{
-       double inv_det = 1.0 / (
-               m[6] * m[1] * m[5] - m[6] * m[2] * m[4] -
-               m[3] * m[1] * m[8] + m[3] * m[2] * m[7] +
-               m[0] * m[4] * m[8] - m[0] * m[5] * m[7]);
-
-       result[0] = inv_det * (m[4] * m[8] - m[5] * m[7]);
-       result[1] = inv_det * (m[2] * m[7] - m[1] * m[8]);
-       result[2] = inv_det * (m[1] * m[5] - m[2] * m[4]);
-
-       result[3] = inv_det * (m[6] * m[5] - m[3] * m[8]);
-       result[4] = inv_det * (m[0] * m[8] - m[6] * m[2]);
-       result[5] = inv_det * (m[3] * m[2] - m[0] * m[5]);
-
-       result[6] = inv_det * (m[3] * m[7] - m[6] * m[4]);
-       result[7] = inv_det * (m[6] * m[1] - m[0] * m[7]);
-       result[8] = inv_det * (m[0] * m[4] - m[3] * m[1]);
+       printf("%6.4f %6.4f %6.4f\n", m(0,0), m(0,1), m(0,2));
+       printf("%6.4f %6.4f %6.4f\n", m(1,0), m(1,1), m(1,2));
+       printf("%6.4f %6.4f %6.4f\n", m(2,0), m(2,1), m(2,2));
+       printf("\n");
 }
 
-void print_3x3_matrix(const Matrix3x3 m)
+std::string output_glsl_mat3(const std::string &name, const Eigen::Matrix3d &m)
 {
-       printf("%6.4f %6.4f %6.4f\n", m[0], m[3], m[6]);
-       printf("%6.4f %6.4f %6.4f\n", m[1], m[4], m[7]);
-       printf("%6.4f %6.4f %6.4f\n", m[2], m[5], m[8]);
-       printf("\n");
+       char buf[1024];
+       sprintf(buf,
+               "const mat3 %s = mat3(\n"
+               "    %.8f, %.8f, %.8f,\n"
+               "    %.8f, %.8f, %.8f,\n"
+               "    %.8f, %.8f, %.8f);\n\n",
+               name.c_str(),
+               m(0,0), m(1,0), m(2,0),
+               m(0,1), m(1,1), m(2,1),
+               m(0,2), m(1,2), m(2,2));
+       return buf;
 }