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/**************************************************************************
*
* 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.
*/
#pragma once
/* 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 + 2;
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) {
return dwLength * sizeof *pFunction;
}
break;
}
}
}
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:
case D3DFMT_YV12:
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;
}
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