From 8ff517eeb980c999013ed70cdaf36152c0908108 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Stefan=20D=C3=B6singer?= <stefan@codeweavers.com>
Date: Thu, 20 Dec 2007 20:48:03 +0100
Subject: [PATCH] wined3d: Vertex attributes are 4 byte aligned.

---
 dlls/d3d9/tests/vertexdeclaration.c | 47 +++++++++++++++++++++++++++++++++++++
 dlls/d3d9/vertexdeclaration.c       |  2 +-
 dlls/wined3d/device.c               |  4 ++++
 dlls/wined3d/vertexbuffer.c         |  4 +---
 dlls/wined3d/vertexdeclaration.c    |  6 +++++
 5 files changed, 59 insertions(+), 4 deletions(-)

diff --git a/dlls/d3d9/tests/vertexdeclaration.c b/dlls/d3d9/tests/vertexdeclaration.c
index c8b7a099fd7..d43b5ab6541 100644
--- a/dlls/d3d9/tests/vertexdeclaration.c
+++ b/dlls/d3d9/tests/vertexdeclaration.c
@@ -736,6 +736,52 @@ static void test_fvf_decl_management(
     return;
 }
 
+static void test_vertex_declaration_alignment(
+    IDirect3DDevice9* device) {
+
+    HRESULT hr;
+    IDirect3DVertexDeclaration9* result_decl = NULL;
+    int i;
+
+    CONST D3DVERTEXELEMENT9 test_elements[5][3] =
+    {
+        {
+            { 0, 0, D3DDECLTYPE_FLOAT3,   0, D3DDECLUSAGE_POSITION, 0 },
+            { 0, 16, D3DDECLTYPE_D3DCOLOR, 0, D3DDECLUSAGE_COLOR  , 0 },
+            D3DDECL_END()
+        },
+        {
+            { 0, 0, D3DDECLTYPE_FLOAT3,   0, D3DDECLUSAGE_POSITION, 0 },
+            { 0, 17, D3DDECLTYPE_D3DCOLOR, 0, D3DDECLUSAGE_COLOR  , 0 },
+            D3DDECL_END()
+        },
+        {
+            { 0, 0, D3DDECLTYPE_FLOAT3,   0, D3DDECLUSAGE_POSITION, 0 },
+            { 0, 18, D3DDECLTYPE_D3DCOLOR, 0, D3DDECLUSAGE_COLOR  , 0 },
+            D3DDECL_END()
+        },
+        {
+            { 0, 0, D3DDECLTYPE_FLOAT3,   0, D3DDECLUSAGE_POSITION, 0 },
+            { 0, 19, D3DDECLTYPE_D3DCOLOR, 0, D3DDECLUSAGE_COLOR  , 0 },
+            D3DDECL_END()
+        },
+        {
+            { 0, 0, D3DDECLTYPE_FLOAT3,   0, D3DDECLUSAGE_POSITION, 0 },
+            { 0, 20, D3DDECLTYPE_D3DCOLOR, 0, D3DDECLUSAGE_COLOR  , 0 },
+            D3DDECL_END()
+        }
+    };
+    HRESULT results[5] = {D3D_OK, E_FAIL, E_FAIL, E_FAIL, D3D_OK};
+
+    for(i = 0; i < sizeof(test_elements) / sizeof(test_elements[0]); i++) {
+        result_decl = NULL;
+        hr = IDirect3DDevice9_CreateVertexDeclaration(device, test_elements[i], &result_decl);
+        ok(hr == results[i], "CreateVertexDeclaration for declaration %d returned %#x, expected %#x\n",
+                              i, hr, results[i]);
+        if(result_decl) IDirect3DVertexDeclaration9_Release(result_decl);
+    }
+}
+
 START_TEST(vertexdeclaration)
 {
     static D3DVERTEXELEMENT9 simple_decl[] = {
@@ -770,4 +816,5 @@ START_TEST(vertexdeclaration)
     test_get_declaration(decl_ptr, simple_decl, simple_decl_num_elements);
     test_fvf_decl_conversion(device_ptr);
     test_fvf_decl_management(device_ptr);
+    test_vertex_declaration_alignment(device_ptr);
 }
diff --git a/dlls/d3d9/vertexdeclaration.c b/dlls/d3d9/vertexdeclaration.c
index 3973c98fbf9..0c48affdfba 100644
--- a/dlls/d3d9/vertexdeclaration.c
+++ b/dlls/d3d9/vertexdeclaration.c
@@ -368,7 +368,7 @@ HRESULT  WINAPI  IDirect3DDevice9Impl_CreateVertexDeclaration(LPDIRECT3DDEVICE9
     if (FAILED(hr)) {
 
         /* free up object */
-        FIXME("(%p) call to IWineD3DDevice_CreateVertexDeclaration failed\n", This);
+        WARN("(%p) call to IWineD3DDevice_CreateVertexDeclaration failed\n", This);
         HeapFree(GetProcessHeap(), 0, object->elements);
         HeapFree(GetProcessHeap(), 0, object);
     } else {
diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 6ab21576f6b..9f1b63536d2 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -1716,6 +1716,10 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreateVertexDeclaration(IWineD3DDevice*
     D3DCREATEOBJECTINSTANCE(object, VertexDeclaration)
 
     hr = IWineD3DVertexDeclaration_SetDeclaration((IWineD3DVertexDeclaration *)object, elements, element_count);
+    if(FAILED(hr)) {
+        *ppVertexDeclaration = NULL;
+        HeapFree(GetProcessHeap(), 0, object);
+    }
 
     return hr;
 }
diff --git a/dlls/wined3d/vertexbuffer.c b/dlls/wined3d/vertexbuffer.c
index 638266224a1..5bcf9044d59 100644
--- a/dlls/wined3d/vertexbuffer.c
+++ b/dlls/wined3d/vertexbuffer.c
@@ -572,9 +572,7 @@ static void     WINAPI IWineD3DVertexBufferImpl_PreLoad(IWineD3DVertexBuffer *if
                 switch(This->conv_map[j]) {
                     case CONV_NONE:
                         /* Done already */
-                        /* Vertex attribute sizes are always multiples of 4, but we can't skip 3 additional bytes
-                         * because the attributes don't have to start at aligned offsets
-                         */
+                        j += 3;
                         break;
                     case CONV_D3DCOLOR:
                         fixup_d3dcolor((DWORD *) (data + i * This->stride + j));
diff --git a/dlls/wined3d/vertexdeclaration.c b/dlls/wined3d/vertexdeclaration.c
index 4e1e1b61754..1984d6b10e1 100644
--- a/dlls/wined3d/vertexdeclaration.c
+++ b/dlls/wined3d/vertexdeclaration.c
@@ -159,6 +159,12 @@ static HRESULT WINAPI IWineD3DVertexDeclarationImpl_SetDeclaration(IWineD3DVerte
          */
         if(This->pDeclarationWine[i].Stream >= MAX_STREAMS) continue;
 
+        if(This->pDeclarationWine[i].Offset & 0x3) {
+            WARN("Declaration element %d is not 4 byte aligned(%d), returning E_FAIL\n", i, This->pDeclarationWine[i].Offset);
+            HeapFree(GetProcessHeap(), 0, This->pDeclarationWine);
+            return E_FAIL;
+        }
+
         if(!isPreLoaded[This->pDeclarationWine[i].Stream]) {
             This->streams[This->num_streams] = This->pDeclarationWine[i].Stream;
             This->num_streams++;
-- 
2.11.4.GIT