move glUseProgram out of draw loop

2 files changed, 4 insertions, 2 deletions

diff --git a/main.c b/main.c
index 00f5723..705c35f 100644
--- a/main.c
+++ b/main.c
@@ -79,8 +79,6 @@ int main(int argc, char** argv) {
 		glfwPollEvents();
 
 		update_uniform();
-
-		glUseProgram(shader);
 		glDrawArrays(GL_TRIANGLES, 0, 3);
 
 		glfwSwapBuffers(window);
diff --git a/shader.c b/shader.c
index 321439a..6831b28 100644
--- a/shader.c
+++ b/shader.c
@@ -40,7 +40,11 @@ GLuint link_shaders(GLuint vert, GLuint frag) {
 	glAttachShader(shader, vert);
 	glAttachShader(shader, frag);
 	glLinkProgram(shader);
+
 	check_program(shader);
+
+	glUseProgram(shader);
+
 	glDeleteShader(vert);
 	glDeleteShader(frag);
 	return shader;