From 4162311eb7babf501051da2ee4fb6f024fc1726d Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Tue, 9 Sep 2014 22:41:04 +0200
Subject: [PATCH] Return true for stub read_viewport function implementations

---
 gfx/exynos_gfx.c   | 2 +-
 gfx/gx/gx_gfx.c    | 9 ++++++++-
 gfx/nullgfx.c      | 2 +-
 gfx/omap_gfx.c     | 2 +-
 gfx/psp/psp1_gfx.c | 2 +-
 gfx/sdl_gfx.c      | 2 +-
 gfx/vg.c           | 2 +-
 gfx/xenon360_gfx.c | 2 +-
 gfx/xvideo.c       | 2 +-
 9 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/gfx/exynos_gfx.c b/gfx/exynos_gfx.c
index 79821e0691..ee79b44df7 100644
--- a/gfx/exynos_gfx.c
+++ b/gfx/exynos_gfx.c
@@ -1472,7 +1472,7 @@ static bool exynos_gfx_read_viewport(void *data, uint8_t *buffer)
    (void)data;
    (void)buffer;
 
-   return false;
+   return true;
 }
 
 const video_driver_t video_exynos = {
diff --git a/gfx/gx/gx_gfx.c b/gfx/gx/gx_gfx.c
index d36bc23dad..8baaa5ad9c 100644
--- a/gfx/gx/gx_gfx.c
+++ b/gfx/gx/gx_gfx.c
@@ -1128,6 +1128,13 @@ static void gx_viewport_info(void *data, struct rarch_viewport *vp)
    *vp = gx->vp;
 }
 
+static bool gx_read_viewport(void *data, uint8_t *buffer)
+{
+   (void)data;
+   (void)buffer;
+   return true;
+}
+
 static const video_poke_interface_t gx_poke_interface = {
    NULL,
    gx_set_aspect_ratio,
@@ -1333,7 +1340,7 @@ const video_driver_t video_gx = {
    "gx",
    gx_set_rotation,
    gx_viewport_info,
-   NULL,
+   gx_read_viewport,
 #ifdef HAVE_OVERLAY
    gx_get_overlay_interface,
 #endif
diff --git a/gfx/nullgfx.c b/gfx/nullgfx.c
index 143137129d..0b8f5fc23d 100644
--- a/gfx/nullgfx.c
+++ b/gfx/nullgfx.c
@@ -91,7 +91,7 @@ static bool null_gfx_read_viewport(void *data, uint8_t *buffer)
    (void)data;
    (void)buffer;
 
-   return false;
+   return true;
 }
 
 static void null_gfx_get_poke_interface(void *data,
diff --git a/gfx/omap_gfx.c b/gfx/omap_gfx.c
index 8316242a14..2f28b8075f 100644
--- a/gfx/omap_gfx.c
+++ b/gfx/omap_gfx.c
@@ -900,7 +900,7 @@ static bool omap_gfx_read_viewport(void *data, uint8_t *buffer)
    (void)data;
    (void)buffer;
 
-   return false;
+   return true;
 }
 
 static void omap_gfx_get_poke_interface(void *data,
diff --git a/gfx/psp/psp1_gfx.c b/gfx/psp/psp1_gfx.c
index 582e64d52c..8c484c1df0 100644
--- a/gfx/psp/psp1_gfx.c
+++ b/gfx/psp/psp1_gfx.c
@@ -773,7 +773,7 @@ static void psp_viewport_info(void *data, struct rarch_viewport *vp)
 
 static bool psp_read_viewport(void *data, uint8_t *buffer)
 {
-   return false;
+   return true;
 }
 
 static const video_poke_interface_t psp_poke_interface = {
diff --git a/gfx/sdl_gfx.c b/gfx/sdl_gfx.c
index bdf1319e3b..cb2489e0be 100644
--- a/gfx/sdl_gfx.c
+++ b/gfx/sdl_gfx.c
@@ -513,7 +513,7 @@ static bool sdl_gfx_read_viewport(void *data, uint8_t *buffer)
    (void)data;
    (void)buffer;
 
-   return false;
+   return true;
 }
 
 const video_driver_t video_sdl = {
diff --git a/gfx/vg.c b/gfx/vg.c
index 030c5ebd80..67f8c10666 100644
--- a/gfx/vg.c
+++ b/gfx/vg.c
@@ -441,7 +441,7 @@ static bool vg_read_viewport(void *data, uint8_t *buffer)
    (void)data;
    (void)buffer;
 
-   return false;
+   return true;
 }
 
 static void vg_get_poke_interface(void *data,
diff --git a/gfx/xenon360_gfx.c b/gfx/xenon360_gfx.c
index 57c3d93631..9c66403fb7 100644
--- a/gfx/xenon360_gfx.c
+++ b/gfx/xenon360_gfx.c
@@ -290,7 +290,7 @@ static bool xenon360_gfx_read_viewport(void *data, uint8_t *buffer)
    (void)data;
    (void)buffer;
 
-   return false;
+   return true;
 }
 
 static void xenon360_gfx_get_poke_interface(void *data,
diff --git a/gfx/xvideo.c b/gfx/xvideo.c
index e1f1efb656..f0c25fd488 100644
--- a/gfx/xvideo.c
+++ b/gfx/xvideo.c
@@ -820,7 +820,7 @@ static bool xv_read_viewport(void *data, uint8_t *buffer)
    (void)data;
    (void)buffer;
 
-   return false;
+   return true;
 }
 
 static void xv_get_poke_interface(void *data,