2 files changed, 2 insertions, 4 deletions
diff --git a/demos/cube.c b/demos/cube.c
index 17617e5e..5c4a6dc7 100644
--- a/demos/cube.c
+++ b/demos/cube.c
@@ -3040,6 +3040,8 @@ static void demo_init(struct demo *demo, int argc, char **argv) {
                        1.0f, 0.1f, 100.0f);
     mat4x4_look_at(demo->view_matrix, eye, origin, up);
     mat4x4_identity(demo->model_matrix);
+
+    demo->projection_matrix[1][1]*=-1;  //Flip projection matrix from GL to Vulkan orientation.
 }
 
 #if defined(VK_USE_PLATFORM_WIN32_KHR)
diff --git a/demos/cube.vert b/demos/cube.vert
index c09899b4..1e67f758 100644
--- a/demos/cube.vert
+++ b/demos/cube.vert
@@ -37,8 +37,4 @@ void main()
 {
    texcoord = ubuf.attr[gl_VertexIndex];
    gl_Position = ubuf.MVP * ubuf.position[gl_VertexIndex];
-
-   // GL->VK conventions
-   gl_Position.y = -gl_Position.y;
-   gl_Position.z = (gl_Position.z + gl_Position.w) / 2.0;
 }