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Fixes to 3D mode (mostly fixes it on OS X)
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@jacob1
jacob1 committed Apr 2, 2016
1 parent 4c066cd commit 30e8285
Showing 1 changed file with 61 additions and 42 deletions.
103 changes: 61 additions & 42 deletions src/PowderToySDL.cpp
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Expand Up @@ -205,8 +205,7 @@ void DrawPixel(pixel * vid, pixel color, int x, int y)

void DrawCursor(pixel * vid)
{
//vid[100+100*WINDOWW] = 255<<24|PIXRGB(100, 0, 100);
for (int j = 1; j <= 9; j++)
for (int j = 0; j <= 9; j++)
{
for (int i = 0; i <= j; i++)
{
Expand Down Expand Up @@ -277,26 +276,37 @@ void blit(pixel * vid)
dst=(pixel *)sdl_scrn->pixels+y*sdl_scrn->pitch/PIXELSIZE+x;
if (SDL_MapRGB(sdl_scrn->format,0x33,0x55,0x77)!=PIXPACK(0x335577))
{
//pixel format conversion
//pixel format conversion, used for strange formats (OS X specifically)
int i;
unsigned int red, green, blue;
pixel px, lastpx, nextpx;
SDL_PixelFormat *fmt = sdl_scrn->format;
for (j=0; j<h; j++)
{
for (i=0; i<w; i++)
{
px = src[i];
if (depth3d)
{
// not supported properly, but give them some effect anyway
lastpx = i >= depth3d && i < w+depth3d ? src[i-depth3d] : 0;
nextpx = i >= -depth3d && i < w-depth3d ? src[i+depth3d] : 0;
dst[i] = ((PIXR(lastpx)>>fmt->Rloss)<<fmt->Rshift)|
((PIXG(nextpx)>>fmt->Gloss)<<fmt->Gshift)|
((PIXB(nextpx)>>fmt->Bloss)<<fmt->Bshift);
int redshift = PIXB(lastpx) + PIXG(lastpx);
if (redshift > 255)
redshift = 255;
int blueshift = PIXR(nextpx) + PIXG(nextpx);
if (blueshift > 255)
blueshift = 255;
red = ((int)(PIXR(lastpx)*.69f+redshift*.3f)>>fmt->Rloss)<<fmt->Rshift;
green = ((int)(PIXG(nextpx)*.3f)>>fmt->Gloss)<<fmt->Gshift;
blue = ((int)(PIXB(nextpx)*.69f+blueshift*.3f)>>fmt->Bloss)<<fmt->Bshift;
}
else
dst[i] = src[i];
{
px = src[i];
red = (PIXR(px)>>fmt->Rloss)<<fmt->Rshift;
green = (PIXG(px)>>fmt->Gloss)<<fmt->Gshift;
blue = (PIXB(px)>>fmt->Bloss)<<fmt->Bshift;
}
dst[i] = red|green|blue;
}
dst+=sdl_scrn->pitch/PIXELSIZE;
src+=pitch;
Expand All @@ -305,29 +315,26 @@ void blit(pixel * vid)
else
{
int i;
pixel px, lastpx, nextpx;
for (j=0; j<h; j++)
{
for (i=0; i<w; i++)

if (depth3d)
{
px = src[i];
if (depth3d)
pixel lastpx, nextpx;
for (i=0; i<w; i++)
{
lastpx = i >= depth3d && i < w+depth3d ? src[i-depth3d] : 0;
nextpx = i >= -depth3d && i < w-depth3d ? src[i+depth3d] : 0;
float redshift = PIXB(lastpx)*.3f + PIXG(lastpx)*.3f;
if (redshift > 255*.3f)
redshift = 255*.3f;
float blueshift = PIXR(nextpx)*.3f + PIXG(nextpx)*.3f;
if (blueshift > 255*.3f)
blueshift = 255*.3f;
dst[i] = PIXRGB((int)(PIXR(lastpx)*.69f+redshift), (int)(PIXG(nextpx)*.3f), (int)(PIXB(nextpx)*.69f+blueshift));
int redshift = PIXB(lastpx) + PIXG(lastpx);
if (redshift > 255)
redshift = 255;
int blueshift = PIXR(nextpx) + PIXG(nextpx);
if (blueshift > 255)
blueshift = 255;
dst[i] = PIXRGB((int)(PIXR(lastpx)*.69f+redshift*.3f), (int)(PIXG(nextpx)*.3f), (int)(PIXB(nextpx)*.69f+blueshift*.3f));
}
else
dst[i] = src[i];
}
//memcpy(dst, src, w*PIXELSIZE);
else
memcpy(dst, src, w*PIXELSIZE);
dst+=sdl_scrn->pitch/PIXELSIZE;
src+=pitch;
}
Expand Down Expand Up @@ -356,24 +363,36 @@ void blit2(pixel * vid, int currentScale)
{
//pixel format conversion
SDL_PixelFormat *fmt = sdl_scrn->format;
int red, green, blue;
for (j=0; j<h; j++)
{
for (k=0; k<currentScale; k++)
{
for (i=0; i<w; i++)
{
px = src[i];
if (depth3d)
{
// not supported properly, but give them some effect anyway
lastpx = i >= depth3d/2 && i < w+depth3d/2 ? src[i-depth3d/2] : 0;
nextpx = i >= -depth3d/2 && i < w-depth3d/2 ? src[i+depth3d/2] : 0;
px = ((PIXR(lastpx)>>fmt->Rloss)<<fmt->Rshift)|
((PIXG(nextpx)>>fmt->Gloss)<<fmt->Gshift)|
((PIXB(nextpx)>>fmt->Bloss)<<fmt->Bshift);
lastpx = i >= depth3d && i < w+depth3d ? src[i-depth3d] : 0;
nextpx = i >= -depth3d && i < w-depth3d ? src[i+depth3d] : 0;
int redshift = PIXB(lastpx) + PIXG(lastpx);
if (redshift > 255)
redshift = 255;
int blueshift = PIXR(nextpx) + PIXG(nextpx);
if (blueshift > 255)
blueshift = 255;
red = ((int)(PIXR(lastpx)*.69f+redshift*.3f)>>fmt->Rloss)<<fmt->Rshift;
green = ((int)(PIXG(nextpx)*.3f)>>fmt->Gloss)<<fmt->Gshift;
blue = ((int)(PIXB(nextpx)*.69f+blueshift*.3f)>>fmt->Bloss)<<fmt->Bshift;
}
else
{
px = src[i];
red = (PIXR(px)>>fmt->Rloss)<<fmt->Rshift;
green = (PIXG(px)>>fmt->Gloss)<<fmt->Gshift;
blue = (PIXB(px)>>fmt->Bloss)<<fmt->Bshift;
}
dst[i*2]=px;
dst[i*2+1]=px;
dst[i*2] = red|green|blue;
dst[i*2+1] = red|green|blue;
}
dst+=sdl_scrn->pitch/PIXELSIZE;
}
Expand All @@ -391,15 +410,15 @@ void blit2(pixel * vid, int currentScale)
px = src[i];
if (depth3d)
{
lastpx = i >= depth3d/2 && i < w+depth3d/2 ? src[i-depth3d/2] : 0;
nextpx = i >= -depth3d/2 && i < w-depth3d/2 ? src[i+depth3d/2] : 0;
float redshift = PIXB(lastpx)*.3f + PIXG(lastpx)*.3f;
if (redshift > 255*.3f)
redshift = 255*.3f;
float blueshift = PIXR(nextpx)*.3f + PIXG(nextpx)*.3f;
if (blueshift > 255*.3f)
blueshift = 255*.3f;
px = PIXRGB((int)(PIXR(lastpx)*.69f+redshift), (int)(PIXG(nextpx)*.3f), (int)(PIXB(nextpx)*.69f+blueshift));
lastpx = i >= depth3d && i < w+depth3d ? src[i-depth3d] : 0;
nextpx = i >= -depth3d && i < w-depth3d ? src[i+depth3d] : 0;
int redshift = PIXB(lastpx) + PIXG(lastpx);
if (redshift > 255)
redshift = 255;
int blueshift = PIXR(nextpx) + PIXG(nextpx);
if (blueshift > 255)
blueshift = 255;
px = PIXRGB((int)(PIXR(lastpx)*.69f+redshift*.3f), (int)(PIXG(nextpx)*.3f), (int)(PIXB(nextpx)*.69f+blueshift*.3f));
}
dst[i*2] = px;
dst[i*2+1] = px;
Expand Down

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