Henri Verbeet : d3d9: Limit "NumSimultaneousRTs" to 4.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 359acf2461b62373827f6c4e617646718175352e
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=359acf2461b62373827f6c4e61...

Author: Henri Verbeet 
Date:   Sun Sep 20 21:58:45 2009 +0200

d3d9: Limit "NumSimultaneousRTs" to 4.

---

dlls/d3d9/d3d9_private.h |    1 +
 dlls/d3d9/device.c       |   12 ++++++++++++
 dlls/d3d9/directx.c      |    1 +
 3 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/dlls/d3d9/d3d9_private.h b/dlls/d3d9/d3d9_private.h
index bea76d9..c9b3581 100644
--- a/dlls/d3d9/d3d9_private.h
+++ b/dlls/d3d9/d3d9_private.h
@@ -529,6 +529,7 @@ typedef struct IDirect3DVertexShader9Impl {
 } IDirect3DVertexShader9Impl;

#define D3D9_MAX_VERTEX_SHADER_CONSTANTF 256
+#define D3D9_MAX_SIMULTANEOUS_RENDERTARGETS 4

/* --------------------- */
 /* IDirect3DPixelShader9 */
diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index 86890ff..f3b2e5e 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -992,6 +992,12 @@ static HRESULT  WINAPI  IDirect3DDevice9Impl_SetRenderTarget(LPDIRECT3DDEVICE9EX
     HRESULT hr;
     TRACE("(%p) Relay\n" , This);

+    if (RenderTargetIndex >= D3D9_MAX_SIMULTANEOUS_RENDERTARGETS)
+    {
+        WARN("Invalid index %u specified.\n", RenderTargetIndex);
+        return D3DERR_INVALIDCALL;
+    }
+
     wined3d_mutex_lock();
     hr = IWineD3DDevice_SetRenderTarget(This->WineD3DDevice, RenderTargetIndex, pSurface ? pSurface->wineD3DSurface : NULL);
     wined3d_mutex_unlock();
@@ -1010,6 +1016,12 @@ static HRESULT  WINAPI  IDirect3DDevice9Impl_GetRenderTarget(LPDIRECT3DDEVICE9EX
         return D3DERR_INVALIDCALL;
     }

+    if (RenderTargetIndex >= D3D9_MAX_SIMULTANEOUS_RENDERTARGETS)
+    {
+        WARN("Invalid index %u specified.\n", RenderTargetIndex);
+        return D3DERR_INVALIDCALL;
+    }
+
     wined3d_mutex_lock();

hr=IWineD3DDevice_GetRenderTarget(This->WineD3DDevice,RenderTargetIndex,&pRenderTarget);
diff --git a/dlls/d3d9/directx.c b/dlls/d3d9/directx.c
index aba3362..301f901 100644
--- a/dlls/d3d9/directx.c
+++ b/dlls/d3d9/directx.c
@@ -337,6 +337,7 @@ void filter_caps(D3DCAPS9* pCaps)
         D3DPTEXTURECAPS_CUBEMAP_POW2   | D3DPTEXTURECAPS_VOLUMEMAP_POW2| D3DPTEXTURECAPS_NOPROJECTEDBUMPENV;

pCaps->MaxVertexShaderConst = min(D3D9_MAX_VERTEX_SHADER_CONSTANTF, pCaps->MaxVertexShaderConst);
+    pCaps->NumSimultaneousRTs = min(D3D9_MAX_SIMULTANEOUS_RENDERTARGETS, pCaps->NumSimultaneousRTs);
 }

static HRESULT WINAPI IDirect3D9Impl_GetDeviceCaps(LPDIRECT3D9EX iface, UINT Adapter, D3DDEVTYPE DeviceType, D3DCAPS9* pCaps) {