From 0d86a3d61d8f3ef141201152c5e0cc13ddf5f56f Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Thu, 11 Sep 2014 23:05:58 +0200
Subject: [PATCH] (D3D) Start making wrapper around D3D

---
 gfx/d3d9/d3d_wrapper.c | 140 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 gfx/d3d9/d3d_wrapper.c

diff --git a/gfx/d3d9/d3d_wrapper.c b/gfx/d3d9/d3d_wrapper.c
new file mode 100644
index 0000000000..8f2e3ddbcc
--- /dev/null
+++ b/gfx/d3d9/d3d_wrapper.c
@@ -0,0 +1,140 @@
+/*  RetroArch - A frontend for libretro.
+ *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
+ *  Copyright (C) 2011-2014 - Daniel De Matteis
+ * 
+ *  RetroArch is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ *  PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with RetroArch.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "../context/win32_common.h"
+
+void D3DDevice_Presents(d3d_video_t *d3d, LPDIRECT3DDEVICE dev)
+{
+#if defined(_XBOX1)
+   D3DDevice_Swap(0);
+#elif defined(_XBOX360)
+   D3DDevice_Present(dev);
+#else
+   if (dev->Present(NULL, NULL, NULL, NULL) != D3D_OK)
+   {
+      RARCH_ERR("[D3D]: Present() failed.\n");
+      d3d->needs_restore = true;
+   }
+#endif
+}
+
+HRESULT D3DDevice_CreateVertexBuffers(LPDIRECT3DDEVICE dev, unsigned length,
+      unsigned usage, unsigned fvf, d3DPOOL pool,
+      LPDIRECT3DVERTEXBUFFER** vert_buf, void *handle)
+{
+#if defined(_XBOX1)
+#elif defined(_XBOX360)
+#else
+   dev->CreateVertexBuffer(length, usage, fvf, pool, vert_buf, NULL)
+#endif
+}
+
+void D3DDevice_SetStreamSources(LPDIRECT3DDEVICE dev, unsigned stream_no,
+      LPDIRECT3DVERTEXBUFFER stream_vertbuf, unsigned offset_bytes,
+      unsigned stride)
+{
+#if defined(_XBOX1)
+#elif defined(_XBOX360)
+#else
+   dev->SetStreamSource(steam_no, stream_vertbuf, offset_bytes, stride);
+#endif
+}
+
+void D3DDevice_SetSamplerState_AddressU(LPDIRECT3DDEVICE dev,
+      unsigned sampler, unsigned type)
+{
+#if defined(_XBOX1)
+#elif defined(_XBOX360)
+#else
+   dev->SetSamplerState(sampler, D3DSAMP_ADDRESSU, type);
+#endif
+}
+
+void D3DDevice_SetSamplerState_AddressV(LPDIRECT3DDEVICE dev,
+      unsigned sampler, unsigned type)
+{
+#if defined(_XBOX1)
+#elif defined(_XBOX360)
+#else
+   dev->SetSamplerState(sampler, D3DSAMP_ADDRESSV, type);
+#endif
+}
+
+void D3DDevice_SetSamplerState_MinFilter(LPDIRECT3DDEVICE dev,
+      unsigned sampler, unsigned type)
+{
+#if defined(_XBOX1)
+#elif defined(_XBOX360)
+#else
+   dev->SetSamplerState(sampler, D3DSAMP_MINFILTER, type)
+#endif
+}
+
+void D3DDevice_SetSamplerState_MagFilter(LPDIRECT3DDEVICE dev,
+      unsigned sampler, unsigned type)
+{
+#if defined(_XBOX1)
+#elif defined(_XBOX360)
+#else
+   dev->SetSamplerState(sampler, D3DSAMP_MAGFILTER, type)
+#endif
+}
+
+void D3DDevice_DrawPrimitive(LPDIRECT3DDEVICE dev,
+      unsigned type, unsigned start, unsigned count)
+{
+   if (SUCCEEDED(dev->BeginScene()))
+   {
+      dev->DrawPrimitive(type, start, count);
+      dev->EndScene();
+   }
+}
+
+void D3DDevice_LockRectClear(unsigned pass, LPDIRECT3DTEXTURE tex,
+      unsigned level, D3DLOCKED_RECT lock_rect, RECT rect,
+      unsigned flags)
+{
+#if defined(_XBOX1)
+#elif defined(_XBOX360)
+#else
+   if (SUCCEEDED(tex->LockRect(level, &lockedrect, rect, flags)))
+   {
+      memset(lockedrect.pBits, level, pass.info.tex_h * lockedrect.Pitch);
+      tex->UnlockRect(0);
+   }
+#endif
+}
+
+void D3DDevice_TextureBlit(d3d_video_t *d3d,
+      LPDIRECT3DTEXTURE tex, D3DSURFACE_DESC desc,
+      D3DLOCKED_RECT rect, const void *frame,
+      unsigned width, unsigned height, unsigned pitch)
+{
+#if defined(_XBOX1)
+#elif defined(_XBOX360)
+#else
+   if (SUCCEEDED(tex->LockRect(0, &d3dlr, NULL, D3DLOCK_NOSYSLOCK)))
+   {
+      for (unsigned y = 0; y < height; y++)
+      { 
+         const uint8_t *in = (const uint8_t*)frame + y * pitch;
+         uint8_t *out = (uint8_t*)d3dlr.pBits + y * d3dlr.Pitch;
+         memcpy(out, in, width * d3d->pixel_size);
+      }
+      tex->UnlockRect(0);
+   }
+#endif
+}