mirror of
https://github.com/godotengine/godot.git
synced 2024-12-27 11:24:59 +08:00
e12c89e8c9
Document version and how to extract sources in thirdparty/README.md. Drop unnecessary CMake and Premake files. Simplify SCsub, drop unused one.
107 lines
2.6 KiB
Common Lisp
107 lines
2.6 KiB
Common Lisp
/*
|
|
Copyright (c) 2012 Advanced Micro Devices, Inc.
|
|
|
|
This software is provided 'as-is', without any express or implied warranty.
|
|
In no event will the authors be held liable for any damages arising from the use of this software.
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it freely,
|
|
subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
//Originally written by Takahiro Harada
|
|
|
|
|
|
typedef unsigned int u32;
|
|
#define GET_GROUP_IDX get_group_id(0)
|
|
#define GET_LOCAL_IDX get_local_id(0)
|
|
#define GET_GLOBAL_IDX get_global_id(0)
|
|
#define GET_GROUP_SIZE get_local_size(0)
|
|
#define GROUP_LDS_BARRIER barrier(CLK_LOCAL_MEM_FENCE)
|
|
|
|
typedef struct
|
|
{
|
|
u32 m_key;
|
|
u32 m_value;
|
|
}SortData;
|
|
|
|
|
|
|
|
typedef struct
|
|
{
|
|
u32 m_nSrc;
|
|
u32 m_nDst;
|
|
u32 m_padding[2];
|
|
} ConstBuffer;
|
|
|
|
|
|
|
|
__attribute__((reqd_work_group_size(64,1,1)))
|
|
__kernel
|
|
void SearchSortDataLowerKernel(__global SortData* src, __global u32 *dst,
|
|
unsigned int nSrc, unsigned int nDst)
|
|
{
|
|
int gIdx = GET_GLOBAL_IDX;
|
|
|
|
if( gIdx < nSrc )
|
|
{
|
|
SortData first; first.m_key = (u32)(-1); first.m_value = (u32)(-1);
|
|
SortData end; end.m_key = nDst; end.m_value = nDst;
|
|
|
|
SortData iData = (gIdx==0)? first: src[gIdx-1];
|
|
SortData jData = (gIdx==nSrc)? end: src[gIdx];
|
|
|
|
if( iData.m_key != jData.m_key )
|
|
{
|
|
// for(u32 k=iData.m_key+1; k<=min(jData.m_key, nDst-1); k++)
|
|
u32 k = jData.m_key;
|
|
{
|
|
dst[k] = gIdx;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
__attribute__((reqd_work_group_size(64,1,1)))
|
|
__kernel
|
|
void SearchSortDataUpperKernel(__global SortData* src, __global u32 *dst,
|
|
unsigned int nSrc, unsigned int nDst)
|
|
{
|
|
int gIdx = GET_GLOBAL_IDX+1;
|
|
|
|
if( gIdx < nSrc+1 )
|
|
{
|
|
SortData first; first.m_key = 0; first.m_value = 0;
|
|
SortData end; end.m_key = nDst; end.m_value = nDst;
|
|
|
|
SortData iData = src[gIdx-1];
|
|
SortData jData = (gIdx==nSrc)? end: src[gIdx];
|
|
|
|
if( iData.m_key != jData.m_key )
|
|
{
|
|
u32 k = iData.m_key;
|
|
{
|
|
dst[k] = gIdx;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
__attribute__((reqd_work_group_size(64,1,1)))
|
|
__kernel
|
|
void SubtractKernel(__global u32* A, __global u32 *B, __global u32 *C,
|
|
unsigned int nSrc, unsigned int nDst)
|
|
{
|
|
int gIdx = GET_GLOBAL_IDX;
|
|
|
|
|
|
if( gIdx < nDst )
|
|
{
|
|
C[gIdx] = A[gIdx] - B[gIdx];
|
|
}
|
|
}
|
|
|