diff --git a/gfx/math/matrix.c b/gfx/math/matrix.c
index fe6f7b7fd9..6b240d6b76 100644
--- a/gfx/math/matrix.c
+++ b/gfx/math/matrix.c
@@ -92,6 +92,49 @@ void matrix_ortho(math_matrix *mat,
    MAT_ELEM(*mat, 2, 3) = tz;
 }
 
+void matrix_scale(math_matrix *out, float x, float y,
+      float z)
+{
+   math_matrix mat;
+
+   MAT_ELEM(mat, 0, 0) = x;
+   MAT_ELEM(mat, 1, 1) = y;
+   MAT_ELEM(mat, 2, 2) = z;
+   MAT_ELEM(mat, 3, 3) = 1.0;
+
+   *out = mat;
+}
+
+void matrix_translate(math_matrix *out, float x,
+      float y, float z)
+{
+   math_matrix mat;
+
+   MAT_ELEM(mat, 0, 0) = 1.0;
+   MAT_ELEM(mat, 1, 1) = 1.0;
+   MAT_ELEM(mat, 2, 2) = 1.0;
+   MAT_ELEM(mat, 3, 3) = 1.0;
+   MAT_ELEM(mat, 0, 3) = x;
+   MAT_ELEM(mat, 1, 3) = y;
+   MAT_ELEM(mat, 2, 3) = z;
+
+   *out = mat;
+}
+
+void matrix_projection(math_matrix *out, float znear,
+      float zfar)
+{
+   math_matrix mat;
+
+   MAT_ELEM(mat, 0, 0) = znear;
+   MAT_ELEM(mat, 1, 1) = zfar;
+   MAT_ELEM(mat, 2, 2) = (zfar + znear) / (zfar - znear);
+   MAT_ELEM(mat, 2, 3) = -2.0f * zfar * znear / (zfar - znear);
+   MAT_ELEM(mat, 3, 2) = -1.0f;
+
+   *out = mat;
+}
+
 void matrix_multiply(math_matrix *out,
       const math_matrix *a, const math_matrix *b)
 {
@@ -110,4 +153,3 @@ void matrix_multiply(math_matrix *out,
 
    *out = mat;
 }
-
diff --git a/gfx/math/matrix.h b/gfx/math/matrix.h
index 42c93bae9e..0281a21ce8 100644
--- a/gfx/math/matrix.h
+++ b/gfx/math/matrix.h
@@ -39,5 +39,9 @@ void matrix_ortho(math_matrix *mat,
 
 void matrix_multiply(math_matrix *out, const math_matrix *a, const math_matrix *b);
 
+void matrix_scale(math_matrix *out, float x, float y, float z);
+void matrix_translate(math_matrix *out, float x, float y, float z);
+void matrix_projection(math_matrix *out, float znear, float zfar);
+
 #endif