Shader: Allow transposing of matrices in uniforms

Author: einarf

demosys/opengl/shader.py

@@ -632,19 +632,20 @@ def uniform_4b(self, name, x, y, z, w):
 
     # --- Matrices ---
 
-    def uniform_mat3(self, name, mat):
+    def uniform_mat3(self, name, mat, transpose=GL.GL_FALSE):
         """
         Sets a mat3 uniform
 
         :param name: Name of the uniform
         :param mat: matrix
+        :param transpose: Traspose the matrix
         """
         if mat is None:
             raise ShaderError("Attempted to set uniform to None")
         uniform = self.uniform_check(name, GL.GL_FLOAT_MAT3)
-        GL.glUniformMatrix3fv(uniform.location, 1, GL.GL_FALSE, mat)
+        GL.glUniformMatrix3fv(uniform.location, 1, transpose, mat)
 
-    def uniform_mat4(self, name, mat):
+    def uniform_mat4(self, name, mat, transpose=GL.GL_FALSE):
         """
         Set a mat4 uniform
 
@@ -654,7 +655,7 @@ def uniform_mat4(self, name, mat):
         if mat is None:
             raise ShaderError("Attempted to set uniform to None")
         uniform = self.uniform_check(name, GL.GL_FLOAT_MAT4)
-        GL.glUniformMatrix4fv(uniform.location, 1, GL.GL_FALSE, mat)
+        GL.glUniformMatrix4fv(uniform.location, 1, transpose, mat)
 
     # --- Sampler ---