From: José Fonseca <jose.r.fonseca@gmail.com>
Date: Sun, 18 Nov 2012 11:57:56 +0000 (+0000)
Subject: d3d: And d3dcommonsize.hpp too.
X-Git-Url: https://git.cworth.org/git?p=apitrace;a=commitdiff_plain;h=fc550c52a09230de93a68dd599cd95d4f6f30c4c

d3d: And d3dcommonsize.hpp too.

sigh..
---

diff --git a/helpers/d3dcommonsize.hpp b/helpers/d3dcommonsize.hpp
new file mode 100644
index 0000000..d4c4862
--- /dev/null
+++ b/helpers/d3dcommonsize.hpp
@@ -0,0 +1,188 @@
+/**************************************************************************
+ *
+ * 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 _D3DCOMMONSIZE_HPP_
+#define _D3DCOMMONSIZE_HPP_
+
+
+/* We purposedly don't include any D3D header, so that this header can be used
+ * with all D3D versions. */
+
+#include <assert.h>
+
+#include "os.hpp"
+
+
+static inline size_t
+_vertexCount(D3DPRIMITIVETYPE PrimitiveType, UINT PrimitiveCount)
+{
+    switch (PrimitiveType) {
+    case D3DPT_POINTLIST:
+        return PrimitiveCount;
+    case D3DPT_LINELIST:
+        return PrimitiveCount*2;
+    case D3DPT_LINESTRIP:
+        return PrimitiveCount + 1;
+    case D3DPT_TRIANGLELIST:
+        return PrimitiveCount * 3;
+    case D3DPT_TRIANGLESTRIP:
+        return PrimitiveCount + 2;
+    case D3DPT_TRIANGLEFAN:
+        return PrimitiveCount + 1;
+    default:
+        os::log("apitrace: warning: %s: unknown D3DPRIMITIVETYPE %u\n", __FUNCTION__, PrimitiveType);
+        return 0;
+    }
+}
+
+
+static inline size_t
+_vertexDataSize(D3DPRIMITIVETYPE PrimitiveType, UINT PrimitiveCount, UINT VertexStride) {
+    return _vertexCount(PrimitiveType, PrimitiveCount) * VertexStride;
+}
+
+
+static inline size_t
+_indexDataSize(D3DPRIMITIVETYPE PrimitiveType, UINT PrimitiveCount, D3DFORMAT IndexDataFormat) {
+    UINT IndexStride;
+    switch (IndexDataFormat) {
+    case D3DFMT_INDEX16:
+        IndexStride = 2;
+        break;
+    case D3DFMT_INDEX32:
+        IndexStride = 4;
+        break;
+    default:
+        os::log("apitrace: warning: %s: unexpected index D3DFORMAT %u\n", __FUNCTION__, IndexDataFormat);
+        return 0;
+    }
+    return _vertexCount(PrimitiveType, PrimitiveCount) * IndexStride;
+}
+
+
+/*
+ * Return the number of tokens for a given shader.
+ */
+static inline size_t
+_shaderSize(const DWORD *pFunction)
+{
+    DWORD dwLength = 0;
+
+    while (true) {
+        DWORD dwToken = pFunction[dwLength++];
+
+        switch (dwToken & D3DSI_OPCODE_MASK) {
+        case D3DSIO_COMMENT:
+            dwLength += (dwToken & D3DSI_COMMENTSIZE_MASK) >> D3DSI_COMMENTSIZE_SHIFT;
+            break;
+
+        case D3DSIO_END:
+            if (dwToken != D3DSIO_END) {
+                os::log("apitrace: warning: %s: malformed END token\n", __FUNCTION__);
+            }
+            return dwLength * sizeof *pFunction;
+        }
+    }
+}
+
+
+static inline size_t
+_getLockSize(D3DFORMAT Format, UINT Width, UINT Height, INT RowPitch, UINT Depth = 1, INT SlicePitch = 0) {
+    if (Width == 0 || Height == 0 || Depth == 0) {
+        return 0;
+    }
+
+    if (RowPitch < 0) {
+        os::log("apitrace: warning: %s: negative row pitch %i\n", __FUNCTION__, RowPitch);
+        return 0;
+    }
+
+    if (SlicePitch < 0) {
+        os::log("apitrace: warning: %s: negative slice pitch %i\n", __FUNCTION__, SlicePitch);
+        return 0;
+    }
+
+    switch ((DWORD)Format) {
+    case D3DFMT_DXT1:
+    case D3DFMT_DXT2:
+    case D3DFMT_DXT3:
+    case D3DFMT_DXT4:
+    case D3DFMT_DXT5:
+        Width  = (Width  + 3) / 4;
+        Height = (Height + 3) / 4;
+        break;
+
+#if DIRECT3D_VERSION >= 0x900
+    case D3DFMT_ATI1N:
+    case D3DFMT_ATI2N:
+        /*
+         * Because these are unsupported formats, RowPitch is not set to the
+         * number of bytes between row of blocks, but instead in such way that
+         * Height * RowPitch will match the expected size.
+         */
+        break;
+#endif /* DIRECT3D_VERSION >= 0x900 */
+
+    case D3DFMT_UYVY:
+    case D3DFMT_YUY2:
+#if DIRECT3D_VERSION >= 0x900
+    case D3DFMT_R8G8_B8G8:
+    case D3DFMT_G8R8_G8B8:
+#endif /* DIRECT3D_VERSION >= 0x900 */
+        Width = (Width + 1) / 2;
+        break;
+
+#if DIRECT3D_VERSION >= 0x900
+    case D3DFMT_NV12:
+        return (Height + ((Height + 1) / 2)) * RowPitch;
+
+    case D3DFMT_NULL:
+        return 0;
+#endif /* DIRECT3D_VERSION >= 0x900 */
+
+    default:
+        break;
+    }
+
+    (void)Width;
+
+    size_t size = Height * RowPitch;
+
+    if (Depth > 1) {
+        size += (Depth - 1) * SlicePitch;
+    }
+
+    return size;
+}
+
+
+#endif /* _D3DCOMMONSIZE_HPP_ */