From d6533bac19c2925aac10f7e36c31e33f2283f535 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Sun, 1 Oct 2017 23:14:43 +0200
Subject: [PATCH] Create d3d_device_get_render_target_data

---
 gfx/common/d3d_common.cpp                       | 15 +++++++++++++++
 gfx/common/d3d_common.h                         |  3 +++
 gfx/drivers_renderchain/d3d9_cg_renderchain.cpp |  2 +-
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/gfx/common/d3d_common.cpp b/gfx/common/d3d_common.cpp
index 642224e950..4ae2c3b94d 100644
--- a/gfx/common/d3d_common.cpp
+++ b/gfx/common/d3d_common.cpp
@@ -391,6 +391,21 @@ void d3d_clear(LPDIRECT3DDEVICE dev,
 #endif
 }
 
+bool d3d_device_get_render_target_data(LPDIRECT3DDEVICE dev,
+      void *_src, void *_dst)
+{
+   LPDIRECT3DSURFACE src = (LPDIRECT3DSURFACE)_src;
+   LPDIRECT3DSURFACE dst = (LPDIRECT3DSURFACE)_dst;
+#if defined(HAVE_D3D9) && !defined(__cplusplus)
+   if (SUCCEEDED(IDirect3DDevice9_GetRenderTargetData(dev, src, dst)))
+      return true;
+#else
+   if (SUCCEEDED(dev->GetRenderTargetData(src, dst)))
+      return true;
+#endif
+   return false;
+}
+
 bool d3d_device_get_render_target(LPDIRECT3DDEVICE dev,
       unsigned idx, void **data)
 {
diff --git a/gfx/common/d3d_common.h b/gfx/common/d3d_common.h
index 18abb577e8..5bd43c00d7 100644
--- a/gfx/common/d3d_common.h
+++ b/gfx/common/d3d_common.h
@@ -110,6 +110,9 @@ void d3d_frame_postprocess(void *data);
 
 void d3d_surface_free(void *data);
 
+bool d3d_device_get_render_target_data(LPDIRECT3DDEVICE dev,
+      void *_src, void *_dst);
+
 bool d3d_device_get_render_target(LPDIRECT3DDEVICE dev,
       unsigned idx, void **data);
 
diff --git a/gfx/drivers_renderchain/d3d9_cg_renderchain.cpp b/gfx/drivers_renderchain/d3d9_cg_renderchain.cpp
index 60c7098147..dba544dae7 100644
--- a/gfx/drivers_renderchain/d3d9_cg_renderchain.cpp
+++ b/gfx/drivers_renderchain/d3d9_cg_renderchain.cpp
@@ -1564,7 +1564,7 @@ static bool d3d9_cg_renderchain_read_viewport(
       goto end;
    }
 
-   if (FAILED(d3d->d3d_err = d3dr->GetRenderTargetData(target, dest)))
+   if (!d3d_device_get_render_target_data(d3dr, (void*)target, (void*)dest))
    {
       ret = false;
       goto end;