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https://github.com/dborth/snes9xgx.git
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use libogc's maketexture function
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@ -18,6 +18,7 @@
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#include <string.h>
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#include <unistd.h>
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#include <wiiuse/wpad.h>
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#include <ogc/texconv.h>
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#include "snes9x.h"
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#include "memmap.h"
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#include "aram.h"
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@ -646,51 +647,6 @@ ResetVideo_Menu ()
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GX_LoadProjectionMtx (p, GX_ORTHOGRAPHIC);
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}
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/****************************************************************************
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* MakeTexture
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*
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* Proper GNU Asm rendition of the above, converted by shagkur. - Thanks!
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***************************************************************************/
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static 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__ (" 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"
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" stwu %1,8(%4)\n"
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" lwz %2,4(%5)\n"
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" stwu %2,8(%3)\n"
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" lwz %1,1024(%5)\n"
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" stwu %1,8(%4)\n"
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" lwz %2,1028(%5)\n"
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" stwu %2,8(%3)\n"
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" lwz %1,2048(%5)\n"
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" stwu %1,8(%4)\n"
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" lwz %2,2052(%5)\n"
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" stwu %2,8(%3)\n"
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" lwz %1,3072(%5)\n"
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" stwu %1,8(%4)\n"
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" lwz %2,3076(%5)\n"
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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,%0,4096\n"
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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),
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"=&r" (tmp3), "+r" (dst):"r" (src), "r" (width),
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"r" (height));
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}
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/****************************************************************************
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* Update Video
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***************************************************************************/
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@ -765,7 +721,7 @@ update_video (int width, int height)
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CheckVideo = 0;
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}
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MakeTexture ((char *) GFX.Screen, (char *) texturemem, vwidth, vheight); // convert image to texture
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MakeTexture565((char *) GFX.Screen, (char *) texturemem, vwidth, vheight); // convert image to texture
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DCFlushRange (texturemem, TEX_WIDTH * TEX_HEIGHT * 2); // update the texture memory
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GX_InvalidateTexAll ();
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