Add video_poke_interface_t.

driver.c

@@ -830,6 +830,9 @@ void init_video_input(void)
       rarch_fail(1, "init_video_input()");
    }
 
+   if (driver.video->poke_interface)
+      driver.video->poke_interface(driver.video_data, &driver.video_poke);
+
    if (driver.video->set_rotation && g_extern.system.rotation)
       video_set_rotation_func(g_extern.system.rotation);
 

driver.h

@@ -226,6 +226,15 @@ typedef struct video_overlay_interface
 } video_overlay_interface_t;
 #endif
 
+// Optionally implemented interface to poke more deeply into video driver.
+// Only used by RGUI atm.
+typedef struct video_poke_interface
+{
+   void (*set_filtering)(void *data, unsigned index, bool smooth);
+   void (*set_fbo_state)(void *data, unsigned state);
+   void (*set_aspect_ratio)(void *data, unsigned aspectratio_index);
+} video_poke_interface_t;
+
 typedef struct video_driver
 {
    void *(*init)(const video_info_t *video, const input_driver_t **input, void **input_data); 
@@ -245,9 +254,6 @@ typedef struct video_driver
    void (*stop)(void);
    void (*restart)(void);
 #endif
-#if defined(HAVE_RMENU) || defined(HAVE_RGUI)
-   void (*set_aspect_ratio)(void *data, unsigned aspectratio_index);
-#endif
 
    void (*set_rotation)(void *data, unsigned rotation);
    void (*viewport_info)(void *data, struct rarch_viewport *vp);
@@ -258,6 +264,7 @@ typedef struct video_driver
 #ifdef HAVE_OVERLAY
    void (*overlay_interface)(void *data, const video_overlay_interface_t **iface);
 #endif
+   void (*poke_interface)(void *data, const video_poke_interface_t **iface);
 } video_driver_t;
 
 enum rarch_display_type
@@ -318,6 +325,9 @@ typedef struct driver
    input_overlay_t *overlay;
    uint64_t overlay_state;
 #endif
+
+   // Interface for "poking".
+   const video_poke_interface_t *video_poke;
 } driver_t;
 
 void init_drivers(void);

gfx/gfx_common.c

@@ -169,8 +169,6 @@ void gfx_scale_integer(struct rarch_viewport *vp, unsigned width, unsigned heigh
    vp->y      = padding_y >> 1;
 }
 
-#if defined(HAVE_RMENU) || defined(HAVE_RGUI)
-
 struct aspect_ratio_elem aspectratio_lut[ASPECT_RATIO_END] = {
    { "1:1",           1.0f },
    { "2:1",           2.0f },
@@ -206,7 +204,7 @@ char rotation_lut[ASPECT_RATIO_END][32] =
 
 void gfx_set_auto_viewport(unsigned width, unsigned height)
 {
-   if(width == 0 || height == 0)
+   if (width == 0 || height == 0)
       return;
 
    unsigned aspect_x, aspect_y, len, highest, i;
@@ -222,8 +220,11 @@ void gfx_set_auto_viewport(unsigned width, unsigned height)
    aspect_x = width / highest;
    aspect_y = height / highest;
 
-   snprintf(aspectratio_lut[ASPECT_RATIO_AUTO].name, sizeof(aspectratio_lut[ASPECT_RATIO_AUTO].name), "%d:%d (Auto)", aspect_x, aspect_y);
-   aspectratio_lut[ASPECT_RATIO_AUTO].value = (float) aspect_x / aspect_y;
+   snprintf(aspectratio_lut[ASPECT_RATIO_AUTO].name,
+         sizeof(aspectratio_lut[ASPECT_RATIO_AUTO].name),
+         "%d:%d (Auto)", aspect_x, aspect_y);
+
+   aspectratio_lut[ASPECT_RATIO_AUTO].value = (float)aspect_x / aspect_y;
 }
 
 void gfx_set_core_viewport(void)
@@ -233,9 +234,8 @@ void gfx_set_core_viewport(void)
 
    // fallback to 1:1 pixel ratio if none provided
    if (g_extern.system.av_info.geometry.aspect_ratio == 0.0)
-      aspectratio_lut[ASPECT_RATIO_CORE].value = (float) g_extern.system.av_info.geometry.base_width / g_extern.system.av_info.geometry.base_height;
+      aspectratio_lut[ASPECT_RATIO_CORE].value = (float)g_extern.system.av_info.geometry.base_width / g_extern.system.av_info.geometry.base_height;
    else
       aspectratio_lut[ASPECT_RATIO_CORE].value = g_extern.system.av_info.geometry.aspect_ratio;
 }
 
-#endif

gfx/gfx_common.h

@@ -40,8 +40,6 @@ void gfx_set_dwm(void);
 void gfx_scale_integer(struct rarch_viewport *vp, unsigned win_width, unsigned win_height,
       float aspect_ratio, bool keep_aspect);
 
-#if defined(HAVE_RMENU) || defined(HAVE_RGUI)
-
 #define MIN_SCALING_FACTOR (1.0f)
 
 #if defined(__CELLOS_LV2__)
@@ -90,7 +88,7 @@ enum rotation
    ORIENTATION_END
 };
 
-#define LAST_ORIENTATION (ORIENTATION_END-1)
+#define LAST_ORIENTATION (ORIENTATION_END - 1)
 
 extern char rotation_lut[ASPECT_RATIO_END][32];
 
@@ -119,8 +117,6 @@ extern struct aspect_ratio_elem aspectratio_lut[ASPECT_RATIO_END];
 extern void gfx_set_auto_viewport(unsigned width, unsigned height);
 extern void gfx_set_core_viewport(void);
 
-#endif
-
 #ifdef __cplusplus
 }
 #endif

gfx/gl.c

@@ -2081,25 +2081,6 @@ static void gl_restart(void)
 }
 #endif
 
-#if defined(HAVE_RGUI) || defined(HAVE_RMENU)
-static void gl_set_aspect_ratio(void *data, unsigned aspectratio_index)
-{
-   (void)data;
-   gl_t *gl = driver.video_data;
-
-   if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_AUTO)
-      gfx_set_auto_viewport(g_extern.frame_cache.width, g_extern.frame_cache.height);
-   else if(g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CORE)
-      gfx_set_core_viewport();
-
-   g_settings.video.aspect_ratio = aspectratio_lut[g_settings.video.aspect_ratio_idx].value;
-   g_settings.video.force_aspect = false;
-   gl->keep_aspect = true;
-
-   gl->should_resize = true;
-}
-#endif
-
 #ifdef HAVE_OVERLAY
 static bool gl_overlay_load(void *data, const uint32_t *image, unsigned width, unsigned height)
 {
@@ -2224,6 +2205,78 @@ static void gl_get_overlay_interface(void *data, const video_overlay_interface_t
 }
 #endif
 
+static void gl_set_filtering(void *data, unsigned index, bool smooth)
+{
+   gl_t *gl = (gl_t*)data;
+
+   GLuint filter = smooth ? GL_LINEAR : GL_NEAREST;
+   if (index == 1)
+   {
+      gl->tex_filter = filter;
+      // Apply to all PREV textures.
+      for (unsigned i = 0; i < TEXTURES; i++)
+      {
+         glBindTexture(GL_TEXTURE_2D, gl->texture[i]);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
+         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
+      }
+   }
+   else if (index >= 2 && gl->fbo_inited)
+   {
+      glBindTexture(GL_TEXTURE_2D, gl->fbo_texture[index - 2]);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
+   }
+
+   glBindTexture(GL_TEXTURE_2D, gl->texture[gl->tex_index]);
+}
+
+static void gl_set_fbo_state(void *data, unsigned mode)
+{
+   gl_t *gl = (gl_t*)data;
+
+   switch (mode)
+   {
+      case FBO_DEINIT:
+         gl_deinit_fbo(gl);
+         break;
+      case FBO_REINIT:
+         gl_deinit_fbo(gl);
+         // Fallthrough
+      case FBO_INIT:
+         gl_init_fbo(gl, gl->tex_w, gl->tex_h);
+         break;
+   }
+}
+
+static void gl_set_aspect_ratio(void *data, unsigned aspectratio_index)
+{
+   gl_t *gl = (gl_t*)data;
+
+   if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_AUTO)
+      gfx_set_auto_viewport(g_extern.frame_cache.width, g_extern.frame_cache.height);
+   else if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CORE)
+      gfx_set_core_viewport();
+
+   g_settings.video.aspect_ratio = aspectratio_lut[g_settings.video.aspect_ratio_idx].value;
+   g_settings.video.force_aspect = false;
+   gl->keep_aspect = true;
+
+   gl->should_resize = true;
+}
+
+static const video_poke_interface_t gl_poke_interface = {
+   gl_set_filtering,
+   gl_set_fbo_state,
+   gl_set_aspect_ratio,
+};
+
+static void gl_get_poke_interface(void *data, const video_poke_interface_t **iface)
+{
+   (void)data;
+   *iface = &gl_poke_interface;
+}
+
 const video_driver_t video_gl = {
    gl_init,
    gl_frame,
@@ -2244,9 +2297,6 @@ const video_driver_t video_gl = {
    gl_start,
    gl_stop,
    gl_restart,
-#endif
-#if defined(HAVE_RMENU) || defined(HAVE_RGUI)
-   gl_set_aspect_ratio,
 #endif
    gl_set_rotation,
 
@@ -2261,6 +2311,7 @@ const video_driver_t video_gl = {
 #ifdef HAVE_OVERLAY
    gl_get_overlay_interface,
 #endif
+   gl_get_poke_interface,
 };