mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 04:34:48 +00:00
64 lines
2.5 KiB
C++
64 lines
2.5 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "math/mMath.h"
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#include "gfx/bitmap/bitmapUtils.h"
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//--------------------------------------------------------------------------
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void bitmapExtrude5551_asm(const void *srcMip, void *mip, U32 height, U32 width)
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{
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const U16 *src = (const U16 *) srcMip;
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U16 *dst = (U16 *) mip;
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U32 stride = width << 1;
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for(U32 y = 0; y < height; y++)
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{
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for(U32 x = 0; x < width; x++)
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{
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U32 a = src[0];
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U32 b = src[1];
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U32 c = src[stride];
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U32 d = src[stride+1];
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dst[x] = ((((a >> 11) + (b >> 11) + (c >> 11) + (d >> 11)) >> 2) << 11) |
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((( ((a >> 6) & 0x1f) + ((b >> 6) & 0x1f) + ((c >> 6) & 0x1f) + ((d >> 6) & 0x1F) ) >> 2) << 6) |
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((( ((a >> 1) & 0x1F) + ((b >> 1) & 0x1F) + ((c >> 1) & 0x1f) + ((d >> 1) & 0x1f)) >> 2) << 1);
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src += 2;
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}
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src += stride;
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dst += width;
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}
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}
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//--------------------------------------------------------------------------
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void PlatformBlitInit()
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{
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bitmapExtrude5551 = bitmapExtrude5551_asm;
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bitmapExtrudeRGB = bitmapExtrudeRGB_c;
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if (Platform::SystemInfo.processor.properties & CPU_PROP_MMX)
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{
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// JMQ: haven't bothered porting mmx bitmap funcs because they don't
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// seem to offer a big performance boost right now.
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}
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}
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