X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=helpers%2Fd3d10size.hpp;h=6441bdcb7ae6579e40afcba1eed15f0e47aca7ee;hb=HEAD;hp=b325e52d58fc61284238584ee9efb9095371d920;hpb=30fb4c3b5efba7481993b87e667fbee2f411870c;p=apitrace

diff --git a/helpers/d3d10size.hpp b/helpers/d3d10size.hpp
index b325e52..6441bdc 100644
--- a/helpers/d3d10size.hpp
+++ b/helpers/d3d10size.hpp
@@ -41,83 +41,9 @@
 
 #include <algorithm>
 
-
-static size_t
-_calcDataSize(DXGI_FORMAT Format, UINT Width, UINT Height, UINT RowPitch, UINT Depth = 1, UINT DepthPitch = 0) {
-    if (Width == 0 || Height == 0 || Depth == 0) {
-        return 0;
-    }
-
-    switch (Format) {
-    case DXGI_FORMAT_BC1_TYPELESS:
-    case DXGI_FORMAT_BC1_UNORM:
-    case DXGI_FORMAT_BC1_UNORM_SRGB:
-    case DXGI_FORMAT_BC2_TYPELESS:
-    case DXGI_FORMAT_BC2_UNORM:
-    case DXGI_FORMAT_BC2_UNORM_SRGB:
-    case DXGI_FORMAT_BC3_TYPELESS:
-    case DXGI_FORMAT_BC3_UNORM:
-    case DXGI_FORMAT_BC3_UNORM_SRGB:
-    case DXGI_FORMAT_BC4_TYPELESS:
-    case DXGI_FORMAT_BC4_UNORM:
-    case DXGI_FORMAT_BC4_SNORM:
-    case DXGI_FORMAT_BC5_TYPELESS:
-    case DXGI_FORMAT_BC5_UNORM:
-    case DXGI_FORMAT_BC5_SNORM:
-        Width  = (Width  + 3) / 4;
-        Height = (Height + 3) / 4;
-        break;
-
-    case DXGI_FORMAT_R8G8_B8G8_UNORM:
-    case DXGI_FORMAT_G8R8_G8B8_UNORM:
-        Width = (Width + 1) / 2;
-        break;
-
-    case DXGI_FORMAT_UNKNOWN:
-        return 0;
-
-    default:
-        break;
-    }
-
-    /* FIXME */
-    (void)Width;
-
-    size_t size = Height * RowPitch;
-
-    if (Depth > 1) {
-        size += (Depth - 1) * DepthPitch;
-    }
-
-    return size;
-}
-
-static size_t
-_calcMipDataSize(UINT MipLevel, DXGI_FORMAT Format, UINT Width, UINT Height, UINT RowPitch, UINT Depth = 1, UINT DepthPitch = 0) {
-    if (Width == 0 || Height == 0 || Depth == 0) {
-        return 0;
-    }
-
-    Width  = std::max(Width  >> MipLevel, UINT(1));
-    Height = std::max(Height >> MipLevel, UINT(1));
-    Depth  = std::max(Depth  >> MipLevel, UINT(1));
-
-    return _calcDataSize(Format, Width, Height, RowPitch, Depth, DepthPitch);
-}
+#include "dxgisize.hpp"
 
 
-inline UINT
-_getNumMipLevels(UINT Width, UINT Height = 1, UINT Depth = 1) {
-    UINT MipLevels = 0;
-    do {
-        ++MipLevels;
-        Width  >>= 1;
-        Height >>= 1;
-        Depth  >>= 1;
-    } while (Width || Height || Depth);
-    return MipLevels;
-}
-
 inline UINT
 _getNumMipLevels(const D3D10_BUFFER_DESC *pDesc) {
     return 1;
@@ -250,24 +176,75 @@ _getMapInfo(ID3D10Texture3D *pResource, UINT Subresource, D3D10_MAP MapType, UIN
 }
 
 
-static inline void
-_getMapInfo(IDXGISurface *pResource, DXGI_MAPPED_RECT * pLockedRect, UINT MapFlags,
-            void * & pMappedData, size_t & MappedSize) {
-    pMappedData = 0;
-    MappedSize = 0;
+static inline size_t
+_calcSubresourceSize(ID3D10Resource *pDstResource, UINT DstSubresource, const D3D10_BOX *pDstBox, UINT SrcRowPitch, UINT SrcDepthPitch) {
+    if (pDstBox &&
+        (pDstBox->left  >= pDstBox->right ||
+         pDstBox->top   >= pDstBox->bottom ||
+         pDstBox->front >= pDstBox->back)) {
+        return 0;
+    }
 
-    if (!(MapFlags & DXGI_MAP_WRITE)) {
-        return;
+    D3D10_RESOURCE_DIMENSION Type = D3D10_RESOURCE_DIMENSION_UNKNOWN;
+    pDstResource->GetType(&Type);
+
+    DXGI_FORMAT Format;
+    UINT Width;
+    UINT Height = 1;
+    UINT Depth = 1;
+    UINT MipLevel = 0;
+
+    switch (Type) {
+    case D3D10_RESOURCE_DIMENSION_BUFFER:
+        if (pDstBox) {
+            return pDstBox->right - pDstBox->left;
+        } else {
+            D3D10_BUFFER_DESC Desc;
+            static_cast<ID3D10Buffer *>(pDstResource)->GetDesc(&Desc);
+            return Desc.ByteWidth;
+        }
+    case D3D10_RESOURCE_DIMENSION_TEXTURE1D:
+        {
+            D3D10_TEXTURE1D_DESC Desc;
+            static_cast<ID3D10Texture1D *>(pDstResource)->GetDesc(&Desc);
+            Format = Desc.Format;
+            Width = Desc.Width;
+            MipLevel = DstSubresource % Desc.MipLevels;
+        }
+        break;
+    case D3D10_RESOURCE_DIMENSION_TEXTURE2D:
+        {
+            D3D10_TEXTURE2D_DESC Desc;
+            static_cast<ID3D10Texture2D *>(pDstResource)->GetDesc(&Desc);
+            Format = Desc.Format;
+            Width = Desc.Width;
+            Height = Desc.Height;
+            MipLevel = DstSubresource % Desc.MipLevels;
+        }
+        break;
+    case D3D10_RESOURCE_DIMENSION_TEXTURE3D:
+        {
+            D3D10_TEXTURE3D_DESC Desc;
+            static_cast<ID3D10Texture3D *>(pDstResource)->GetDesc(&Desc);
+            Format = Desc.Format;
+            Width = Desc.Width;
+            Height = Desc.Height;
+            Depth = Desc.Depth;
+        }
+        break;
+    case D3D10_RESOURCE_DIMENSION_UNKNOWN:
+    default:
+        assert(0);
+        return 0;
     }
 
-    DXGI_SURFACE_DESC Desc;
-    HRESULT hr = pResource->GetDesc(&Desc);
-    if (FAILED(hr)) {
-        return;
+    if (pDstBox) {
+        Width  = pDstBox->right  - pDstBox->left;
+        Height = pDstBox->bottom - pDstBox->top;
+        Depth  = pDstBox->back   - pDstBox->front;
     }
 
-    pMappedData = pLockedRect->pBits;
-    MappedSize = _calcDataSize(Desc.Format, Desc.Width, Desc.Height, pLockedRect->Pitch);
+    return _calcMipDataSize(MipLevel, Format, Width, Height, SrcRowPitch, Depth, SrcDepthPitch);
 }