d3d8: Add missing d3d8size.hpp file.

diff --git a/helpers/d3d8size.hpp b/helpers/d3d8size.hpp
new file mode 100644 (file)
index 0000000..b84b900
--- /dev/null
+++ b/helpers/d3d8size.hpp
@@ -0,0 +1,235 @@
+/**************************************************************************
+ *
+ * Copyright 2012 Jose Fonseca
+ * All Rights Reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * AUTHORS,
+ * AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ **************************************************************************/
+
+
+/*
+ * Auxiliary functions to compute the size of array/blob arguments.
+ */
+
+#ifndef _D3D8SIZE_HPP_
+#define _D3D8SIZE_HPP_
+
+
+#include "d3dcommonsize.hpp"
+
+
+static inline size_t
+_declCount(const DWORD *pDeclaration) {
+    size_t count = 0;
+    while (pDeclaration[count++] != D3DVSD_END())
+        ;
+    return count;
+}
+
+
+static inline void
+_getMapInfo(IDirect3DVertexBuffer8 *pBuffer, UINT OffsetToLock, UINT SizeToLock, BYTE ** ppbData,
+             void * & pLockedData, size_t & MappedSize) {
+    pLockedData = *ppbData;
+    MappedSize = 0;
+
+    if (SizeToLock == 0) {
+        D3DVERTEXBUFFER_DESC Desc;
+        HRESULT hr = pBuffer->GetDesc(&Desc);
+        if (FAILED(hr)) {
+            return;
+        }
+        MappedSize = Desc.Size;
+    } else {
+        MappedSize = SizeToLock;
+    }
+}
+
+
+static inline void
+_getMapInfo(IDirect3DIndexBuffer8 *pBuffer, UINT OffsetToLock, UINT SizeToLock, BYTE ** ppbData,
+             void * & pLockedData, size_t & MappedSize) {
+    pLockedData = *ppbData;
+    MappedSize = 0;
+
+    if (SizeToLock == 0) {
+        D3DINDEXBUFFER_DESC Desc;
+        HRESULT hr = pBuffer->GetDesc(&Desc);
+        if (FAILED(hr)) {
+            return;
+        }
+        MappedSize = Desc.Size;
+    } else {
+        MappedSize = SizeToLock;
+    }
+}
+
+
+static inline void
+_getMapInfo(IDirect3DSurface8 *pSurface, const D3DLOCKED_RECT *pLockedRect, const RECT *pRect,
+             void * & pLockedData, size_t & MappedSize) {
+    pLockedData = pLockedRect->pBits;
+    MappedSize = 0;
+
+    HRESULT hr;
+
+    D3DSURFACE_DESC Desc;
+    hr = pSurface->GetDesc(&Desc);
+    if (FAILED(hr)) {
+        return;
+    }
+
+    UINT Width;
+    UINT Height;
+    if (pRect) {
+        Width  = pRect->right  - pRect->left;
+        Height = pRect->bottom - pRect->top;
+    } else {
+        Width  = Desc.Width;
+        Height = Desc.Height;
+    }
+
+    MappedSize = _getLockSize(Desc.Format, Width, Height, pLockedRect->Pitch);
+}
+
+
+static inline void
+_getMapInfo(IDirect3DTexture8 *pTexture, UINT Level, const D3DLOCKED_RECT *pLockedRect, const RECT *pRect,
+             void * & pLockedData, size_t & MappedSize) {
+    pLockedData = pLockedRect->pBits;
+    MappedSize = 0;
+
+    HRESULT hr;
+
+    D3DSURFACE_DESC Desc;
+    hr = pTexture->GetLevelDesc(Level, &Desc);
+    if (FAILED(hr)) {
+        return;
+    }
+
+    UINT Width;
+    UINT Height;
+    if (pRect) {
+        Width  = pRect->right  - pRect->left;
+        Height = pRect->bottom - pRect->top;
+    } else {
+        Width  = Desc.Width;
+        Height = Desc.Height;
+    }
+
+    MappedSize = _getLockSize(Desc.Format, Width, Height, pLockedRect->Pitch);
+}
+
+
+static inline void
+_getMapInfo(IDirect3DCubeTexture8 *pTexture, D3DCUBEMAP_FACES FaceType, UINT Level, const D3DLOCKED_RECT *pLockedRect, const RECT *pRect,
+             void * & pLockedData, size_t & MappedSize) {
+    pLockedData = pLockedRect->pBits;
+    MappedSize = 0;
+
+    HRESULT hr;
+
+    (void)FaceType;
+
+    D3DSURFACE_DESC Desc;
+    hr = pTexture->GetLevelDesc(Level, &Desc);
+    if (FAILED(hr)) {
+        return;
+    }
+
+    UINT Width;
+    UINT Height;
+    if (pRect) {
+        Width  = pRect->right  - pRect->left;
+        Height = pRect->bottom - pRect->top;
+    } else {
+        Width  = Desc.Width;
+        Height = Desc.Height;
+    }
+
+    MappedSize = _getLockSize(Desc.Format, Width, Height, pLockedRect->Pitch);
+}
+
+
+static inline void
+_getMapInfo(IDirect3DVolume8 *pVolume, const D3DLOCKED_BOX *pLockedVolume, const D3DBOX *pBox,
+             void * & pLockedData, size_t & MappedSize) {
+    pLockedData = pLockedVolume->pBits;
+    MappedSize = 0;
+
+    HRESULT hr;
+
+    D3DVOLUME_DESC Desc;
+    hr = pVolume->GetDesc(&Desc);
+    if (FAILED(hr)) {
+        return;
+    }
+
+    UINT Width;
+    UINT Height;
+    UINT Depth;
+    if (pBox) {
+        Width  = pBox->Right  - pBox->Left;
+        Height = pBox->Bottom - pBox->Top;
+        Depth  = pBox->Back   - pBox->Front;
+    } else {
+        Width  = Desc.Width;
+        Height = Desc.Height;
+        Depth  = Desc.Depth;
+    }
+
+    MappedSize = _getLockSize(Desc.Format, Width, Height, pLockedVolume->RowPitch, Depth, pLockedVolume->SlicePitch);
+}
+
+
+static inline void
+_getMapInfo(IDirect3DVolumeTexture8 *pTexture, UINT Level, const D3DLOCKED_BOX *pLockedVolume, const D3DBOX *pBox,
+             void * & pLockedData, size_t & MappedSize) {
+    pLockedData = pLockedVolume->pBits;
+    MappedSize = 0;
+
+    HRESULT hr;
+
+    D3DVOLUME_DESC Desc;
+    hr = pTexture->GetLevelDesc(Level, &Desc);
+    if (FAILED(hr)) {
+        return;
+    }
+
+    UINT Width;
+    UINT Height;
+    UINT Depth;
+    if (pBox) {
+        Width  = pBox->Right  - pBox->Left;
+        Height = pBox->Bottom - pBox->Top;
+        Depth  = pBox->Back   - pBox->Front;
+    } else {
+        Width  = Desc.Width;
+        Height = Desc.Height;
+        Depth  = Desc.Depth;
+    }
+
+    MappedSize = _getLockSize(Desc.Format, Width, Height, pLockedVolume->RowPitch, Depth, pLockedVolume->SlicePitch);
+}
+
+
+#endif /* _D3D8SIZE_HPP_ */