diff --git a/gfx/drivers_renderchain/d3d9_cg_renderchain.c b/gfx/drivers_renderchain/d3d9_cg_renderchain.c
index 0cb15140e3..41f7f30f7d 100644
--- a/gfx/drivers_renderchain/d3d9_cg_renderchain.c
+++ b/gfx/drivers_renderchain/d3d9_cg_renderchain.c
@@ -48,8 +48,6 @@
 
 #define d3d9_cg_set_param_1f(param, x) if (param) cgD3D9SetUniform(param, x)
 
-#define D3D_PI 3.14159265358979323846264338327
-
 #define set_cg_param(prog, param, val) do { \
    CGparameter cgp = cgGetNamedParameter(prog, param); \
    if (cgp) \
diff --git a/gfx/drivers_renderchain/d3d9_hlsl_renderchain.c b/gfx/drivers_renderchain/d3d9_hlsl_renderchain.c
index d89706c1a7..be00300e78 100644
--- a/gfx/drivers_renderchain/d3d9_hlsl_renderchain.c
+++ b/gfx/drivers_renderchain/d3d9_hlsl_renderchain.c
@@ -253,6 +253,10 @@ static void hlsl_d3d9_renderchain_set_vertices(
    params.fbo_info      = NULL;
    params.fbo_info_cnt  = 0;
 
+#if 0
+   d3d9_cg_renderchain_calc_and_set_shader_mvp(
+         /*pass->vPrg, */vp_width, vp_height, rotation);
+#endif
    video_shader_driver_set_parameters(&params);
 }
 
@@ -527,6 +531,24 @@ static void hlsl_d3d9_renderchain_render_pass(
    d3d9_set_sampler_magfilter(chain->dev, 0, D3DTEXF_POINT);
 }
 
+static void d3d9_hlsl_renderchain_calc_and_set_shader_mvp(
+      unsigned vp_width, unsigned vp_height,
+      unsigned rotation)
+{
+   struct d3d_matrix proj, ortho, rot, matrix;
+
+   d3d_matrix_ortho_off_center_lh(&ortho, 0, vp_width, 0, vp_height, 0, 1);
+   d3d_matrix_identity(&rot);
+   d3d_matrix_rotation_z(&rot, rotation * (D3D_PI / 2.0));
+
+   d3d_matrix_multiply(&proj, &ortho, &rot);
+   d3d_matrix_transpose(&matrix, &proj);
+
+#if 0
+   cgD3D9SetUniformMatrix(cgpModelViewProj, (D3DMATRIX*)&matrix);
+#endif
+}
+
 static bool hlsl_d3d9_renderchain_render(
       d3d9_video_t *d3d,
       state_tracker_t *tracker,
@@ -578,6 +600,10 @@ static bool hlsl_d3d9_renderchain_render(
 
    chain->frame_count++;
 
+   d3d9_hlsl_renderchain_calc_and_set_shader_mvp(
+         /* chain->vStock, */ chain->final_viewport->Width,
+         chain->final_viewport->Height, 0);
+
    return true;
 }
 
diff --git a/gfx/drivers_renderchain/d3d9_renderchain.h b/gfx/drivers_renderchain/d3d9_renderchain.h
index 5359c4560a..bf2c0f3b53 100644
--- a/gfx/drivers_renderchain/d3d9_renderchain.h
+++ b/gfx/drivers_renderchain/d3d9_renderchain.h
@@ -34,6 +34,8 @@ struct lut_info
    bool smooth;
 };
 
+#define D3D_PI 3.14159265358979323846264338327
+
 #define VECTOR_LIST_TYPE unsigned
 #define VECTOR_LIST_NAME unsigned
 #include "../../libretro-common/lists/vector_list.c"