Add GFX_CTL_SWAP_BUFFERS

gfx/d3d/d3d.cpp

@@ -1508,7 +1508,7 @@ static bool d3d_frame(void *data, const void *frame,
 
    retro_perf_stop(&d3d_frame);
 
-   gfx_ctx_swap_buffers();
+   gfx_ctx_ctl(GFX_CTL_SWAP_BUFFERS, NULL);
 
    return true;
 }

gfx/drivers/gl.c

@@ -1862,11 +1862,11 @@ static bool gl_frame(void *data, const void *frame,
          && !input_driver_ctl(RARCH_INPUT_CTL_IS_NONBLOCK_STATE, NULL)
          && !is_slowmotion && !is_paused)
    {
-      gfx_ctx_swap_buffers();
+      gfx_ctx_ctl(GFX_CTL_SWAP_BUFFERS, NULL);
       glClear(GL_COLOR_BUFFER_BIT);
    }
 
-   gfx_ctx_swap_buffers();
+   gfx_ctx_ctl(GFX_CTL_SWAP_BUFFERS, NULL);
 
 #ifdef HAVE_GL_SYNC
    if (settings->video.hard_sync && gl->have_sync)

gfx/drivers/vg.c

@@ -357,7 +357,7 @@ static bool vg_frame(void *data, const void *frame,
 
    retro_perf_stop(&vg_fr);
 
-   gfx_ctx_swap_buffers();
+   gfx_ctx_ctl(GFX_CTL_SWAP_BUFFERS, NULL);
 
    return true;
 }

gfx/video_context_driver.c

@@ -135,14 +135,6 @@ bool gfx_ctx_get_video_output_next(void)
    return true;
 }
 
-void gfx_ctx_swap_buffers(void)
-{
-   if (!current_video_context)
-      return;
-   if (current_video_context->swap_buffers)
-      current_video_context->swap_buffers(video_context_data);
-}
-
 void gfx_ctx_bind_hw_render(bool enable)
 {
    if (current_video_context->bind_hw_render)
@@ -433,6 +425,11 @@ bool gfx_ctx_ctl(enum gfx_ctx_ctl_state state, void *data)
 {
    switch (state)
    {
+      case GFX_CTL_SWAP_BUFFERS:
+         if (!current_video_context || !current_video_context->swap_buffers)
+            return false;
+         current_video_context->swap_buffers(video_context_data);
+         break;
       case GFX_CTL_FOCUS:
          if (!video_context_data || !current_video_context->has_focus)
             return false;

gfx/video_context_driver.h

@@ -55,7 +55,8 @@ enum gfx_ctx_ctl_state
 {
    GFX_CTL_NONE = 0,
    GFX_CTL_FOCUS,
-   GFX_CTL_FREE
+   GFX_CTL_FREE,
+   GFX_CTL_SWAP_BUFFERS
 };
 
 typedef void (*gfx_ctx_proc_t)(void);
@@ -213,8 +214,6 @@ void gfx_ctx_translate_aspect(float *aspect,
 bool gfx_ctx_set_video_mode(unsigned width, unsigned height,
       bool fullscreen);
 
-void gfx_ctx_swap_buffers(void);
-
 bool gfx_ctx_image_buffer_init(const video_info_t *info);
 
 bool gfx_ctx_image_buffer_write(const void *frame,