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MakeTexture fixed
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@ -1,72 +0,0 @@
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/*-------------------------------------------------------------
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maketex.cpp - Helper functions for GX texture conversion
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Modified for a buffer with an offset (border)
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Copyright (C) 2008
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softdev
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Michael Wiedenbauer (shagkur)
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Dave Murphy (WinterMute)
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you
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must not claim that you wrote the original software. If you use
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this software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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-------------------------------------------------------------*/
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#include <gctypes.h>
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void
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MakeTexture (const void *src, void *dst, s32 width, s32 height)
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{
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register u32 tmp0=0,tmp1=0,tmp2=0,tmp3=0;
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__asm__ __volatile__ (
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" srwi %6,%6,2\n"
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" srwi %7,%7,2\n"
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" subi %3,%4,4\n"
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" mr %4,%3\n"
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" subi %4,%4,4\n"
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"2: mtctr %6\n"
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" mr %0,%5\n"
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//
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"1: lwz %1,0(%5)\n" //1
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" stwu %1,8(%4)\n"
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" lwz %2,4(%5)\n" //1
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" stwu %2,8(%3)\n"
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" lwz %1,1032(%5)\n" //2
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" stwu %1,8(%4)\n"
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" lwz %2,1036(%5)\n" //2
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" stwu %2,8(%3)\n"
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" lwz %1,2064(%5)\n" //3
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" stwu %1,8(%4)\n"
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" lwz %2,2068(%5)\n" //3
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" stwu %2,8(%3)\n"
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" lwz %1,3096(%5)\n" //4
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" stwu %1,8(%4)\n"
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" lwz %2,3100(%5)\n" //4
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" stwu %2,8(%3)\n"
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" addi %5,%5,8\n"
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" bdnz 1b\n"
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" addi %5,%0,4128\n" //5
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" subic. %7,%7,1\n"
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" bne 2b"
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// 0 1 2 3 4 5 6 7
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: "=&r"(tmp0), "=&r"(tmp1), "=&r"(tmp2), "=&r"(tmp3), "+r"(dst) : "r"(src), "r"(width), "r"(height)
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);
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}
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@ -32,8 +32,6 @@
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#include "gui/gui.h"
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#include "input.h"
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extern void MakeTexture (const void *src, void *dst, s32 width, s32 height);
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/*** Snes9x GFX Buffer ***/
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#define SNES9XGFX_SIZE EXT_PITCH*EXT_HEIGHT
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#define FILTERMEM_SIZE 512*MAX_SNES_HEIGHT*4
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@ -691,6 +689,52 @@ ResetVideo_Emu ()
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draw_init ();
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}
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/****************************************************************************
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* MakeTexture
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*
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* Modified for a buffer with an offset (border)
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***************************************************************************/
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void
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MakeTexture (const void *src, void *dst, s32 width, s32 height)
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{
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register u32 tmp0=0,tmp1=0,tmp2=0,tmp3=0;
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__asm__ __volatile__ (
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" srwi %6,%6,2\n"
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" srwi %7,%7,2\n"
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" subi %3,%4,4\n"
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" mr %4,%3\n"
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" subi %4,%4,4\n"
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"2: mtctr %6\n"
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" mr %0,%5\n"
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//
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"1: lwz %1,0(%5)\n" //1
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" stwu %1,8(%4)\n"
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" lwz %2,4(%5)\n" //1
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" stwu %2,8(%3)\n"
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" lwz %1,1032(%5)\n" //2
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" stwu %1,8(%4)\n"
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" lwz %2,1036(%5)\n" //2
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" stwu %2,8(%3)\n"
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" lwz %1,2064(%5)\n" //3
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" stwu %1,8(%4)\n"
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" lwz %2,2068(%5)\n" //3
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" stwu %2,8(%3)\n"
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" lwz %1,3096(%5)\n" //4
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" stwu %1,8(%4)\n"
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" lwz %2,3100(%5)\n" //4
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" stwu %2,8(%3)\n"
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" addi %5,%5,8\n"
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" bdnz 1b\n"
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" addi %5,%0,4128\n" //5
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" subic. %7,%7,1\n"
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" bne 2b"
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// 0 1 2 3 4 5 6 7
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: "=&b"(tmp0), "=&b"(tmp1), "=&b"(tmp2), "=&b"(tmp3), "+b"(dst) : "b"(src), "b"(width), "b"(height)
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);
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}
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/****************************************************************************
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* Update Video
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***************************************************************************/
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