diff --git a/gfx/common/d3d9_common.h b/gfx/common/d3d9_common.h
index 2d45e4afb2..1a0656695d 100644
--- a/gfx/common/d3d9_common.h
+++ b/gfx/common/d3d9_common.h
@@ -42,8 +42,8 @@ typedef struct d3d9_renderchain_driver
          const struct LinkInfo *info,
          bool rgb32);
    void (*set_final_viewport)(d3d9_video_t *d3d,
-         void *renderchain_data, const void *viewport_data);
-   bool (*add_pass)(void *data, const void *info_data);
+         void *renderchain_data, const D3DVIEWPORT9 *final_viewport);
+   bool (*add_pass)(void *data, const struct LinkInfo *info);
    bool (*add_lut)(void *data,
          const char *id, const char *path,
          bool smooth);
diff --git a/gfx/drivers_renderchain/d3d9_cg_renderchain.c b/gfx/drivers_renderchain/d3d9_cg_renderchain.c
index e1e70c6ced..5ba146558f 100644
--- a/gfx/drivers_renderchain/d3d9_cg_renderchain.c
+++ b/gfx/drivers_renderchain/d3d9_cg_renderchain.c
@@ -1023,10 +1023,9 @@ static void d3d_recompute_pass_sizes(cg_renderchain_t *chain,
 static void d3d9_cg_renderchain_set_final_viewport(
       d3d9_video_t *d3d,
       void *renderchain_data,
-      const void *viewport_data)
+      const D3DVIEWPORT9 *final_viewport)
 {
    cg_renderchain_t              *chain = (cg_renderchain_t*)renderchain_data;
-   const D3DVIEWPORT9 *final_viewport   = (const D3DVIEWPORT9*)viewport_data;
 
    if (chain && final_viewport)
       chain->final_viewport = (D3DVIEWPORT9*)final_viewport;
@@ -1036,10 +1035,9 @@ static void d3d9_cg_renderchain_set_final_viewport(
 
 static bool d3d9_cg_renderchain_add_pass(
       void *data,
-      const void *info_data)
+      const struct LinkInfo *info)
 {
    struct Pass pass;
-   const struct LinkInfo *info = (const struct LinkInfo*)info_data;
    cg_renderchain_t *chain     = (cg_renderchain_t*)data;
 
    pass.info                   = *info;
diff --git a/gfx/drivers_renderchain/d3d9_hlsl_renderchain.c b/gfx/drivers_renderchain/d3d9_hlsl_renderchain.c
index 41d19a78a0..4d474aa926 100644
--- a/gfx/drivers_renderchain/d3d9_hlsl_renderchain.c
+++ b/gfx/drivers_renderchain/d3d9_hlsl_renderchain.c
@@ -290,7 +290,7 @@ static bool hlsl_d3d9_renderchain_init(
 
 static void hlsl_d3d9_renderchain_set_final_viewport(
       d3d9_video_t *d3d,
-      void *renderchain_data, const void *viewport_data)
+      void *renderchain_data, const D3DVIEWPORT9 *final_viewport)
 {
 }
 
@@ -303,7 +303,8 @@ static bool hlsl_d3d9_renderchain_render(
    unsigned i;
    unsigned width, height;
    settings_t *settings           = config_get_ptr();
-   hlsl_d3d9_renderchain_t *chain = (hlsl_d3d9_renderchain_t*)d3d->renderchain_data;
+   hlsl_d3d9_renderchain_t *chain = (hlsl_d3d9_renderchain_t*)
+      d3d->renderchain_data;
    bool video_smooth              = settings->bools.video_smooth;
 
    chain->frame_count++;
@@ -332,10 +333,9 @@ static bool hlsl_d3d9_renderchain_render(
 }
 
 static bool hlsl_d3d9_renderchain_add_pass(
-      void *data, const void *info_data)
+      void *data, const struct LinkInfo *info)
 {
    (void)data;
-   (void)info_data;
 
    /* stub */
    return true;