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video changes

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dborth 2008-10-10 04:10:28 +00:00
parent 09ad69dbf4
commit 85e1a7093c
1 changed files with 58 additions and 8 deletions
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66
source/ngc/video.cpp
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@ -128,6 +128,12 @@ void GX_Start()
guPerspective(p, 60, 1.33F, 10.0F, 1000.0F);
GX_LoadProjectionMtx(p, GX_PERSPECTIVE);
GX_SetTevOp(GX_TEVSTAGE0, GX_DECAL);
GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE);
GX_SetColorUpdate(GX_TRUE);
}
/****************************************************************************
@ -250,6 +256,52 @@ void GX_Render_Init(int width, int height, int haspect, int vaspect)
video_vaspect = vaspect;
video_haspect = haspect;
}
/****************************************************************************
* MakeTexture
*
* Proper GNU Asm rendition of the above, converted by shagkur. - Thanks!
***************************************************************************/
void
MakeTexture (const void *src, void *dst, s32 width, s32 height)
{
register u32 tmp0 = 0, tmp1 = 0, tmp2 = 0, tmp3 = 0;
__asm__ __volatile__ (" srwi %6,%6,2\n"
" srwi %7,%7,2\n"
" subi %3,%4,4\n"
" mr %4,%3\n"
" subi %4,%4,4\n"
"2: mtctr %6\n"
" mr %0,%5\n"
//
"1: lwz %1,0(%5)\n"
" stwu %1,8(%4)\n"
" lwz %2,4(%5)\n"
" stwu %2,8(%3)\n"
" lwz %1,1024(%5)\n"
" stwu %1,8(%4)\n"
" lwz %2,1028(%5)\n"
" stwu %2,8(%3)\n"
" lwz %1,2048(%5)\n"
" stwu %1,8(%4)\n"
" lwz %2,2052(%5)\n"
" stwu %2,8(%3)\n"
" lwz %1,3072(%5)\n"
" stwu %1,8(%4)\n"
" lwz %2,3076(%5)\n"
" stwu %2,8(%3)\n"
" addi %5,%5,8\n"
" bdnz 1b\n"
" addi %5,%0,4096\n"
" subic. %7,%7,1\n"
" bne 2b"
// 0 1 2 3 4 5 6 7
:"=&r" (tmp0), "=&r" (tmp1), "=&r" (tmp2),
"=&r" (tmp3), "+r" (dst):"r" (src), "r" (width),
"r" (height));
}
/****************************************************************************
* GX_Render
*
@ -257,7 +309,7 @@ void GX_Render_Init(int width, int height, int haspect, int vaspect)
****************************************************************************/
void GX_Render(int width, int height, u8 * buffer, int pitch)
{
int h, w;
/*int h, w;
long long int *dst = (long long int *) texturemem;
long long int *src1 = (long long int *) buffer;
long long int *src2 = (long long int *) (buffer + pitch);
@ -265,7 +317,7 @@ void GX_Render(int width, int height, u8 * buffer, int pitch)
long long int *src4 = (long long int *) (buffer + (pitch * 3));
int rowpitch = (pitch >> 3) * 3;
int rowadjust = ( pitch % 8 ) * 4;
char *ra = NULL;
char *ra = NULL;*/
vwidth = width;
vheight = height;
@ -299,10 +351,10 @@ void GX_Render(int width, int height, u8 * buffer, int pitch)
}
GX_InvalidateTexAll();
GX_SetTevOp(GX_TEVSTAGE0, GX_DECAL);
GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
for (h = 0; h < vheight; h += 4)
MakeTexture ((char *) buffer, (char *) texturemem, vwidth, vheight); // convert image to texture
/*for (h = 0; h < vheight; h += 4)
{
for (w = 0; w < (vwidth >> 2); w++)
{
@ -328,7 +380,7 @@ void GX_Render(int width, int height, u8 * buffer, int pitch)
ra = (char *)src4;
src4 = (long long int *)(ra + rowadjust);
}
}
}*/
DCFlushRange(texturemem, texturesize);
@ -339,8 +391,6 @@ void GX_Render(int width, int height, u8 * buffer, int pitch)
GX_DrawDone();
GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE);
GX_SetColorUpdate(GX_TRUE);
GX_CopyDisp(xfb[whichfb], GX_TRUE);
GX_Flush();