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fixed byteswapping bug in gl_pack_rgba_span()

This commit is contained in:
Brian Paul 1999-10-22 12:49:52 +00:00
parent 3428162e27
commit 64b7da799f
1 changed files with 11 additions and 10 deletions
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21
src/mesa/main/image.c
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@ -1,4 +1,4 @@
/* $Id: image.c,v 1.8 1999/10/22 10:59:15 brianp Exp $ */
/* $Id: image.c,v 1.9 1999/10/22 12:49:52 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -1701,10 +1701,11 @@ void gl_pack_rgba_span( const GLcontext *ctx,
else {
GLfloat red[MAX_WIDTH], green[MAX_WIDTH], blue[MAX_WIDTH];
GLfloat alpha[MAX_WIDTH], luminance[MAX_WIDTH];
GLfloat rscale = 1.0F / 255.0F;
GLfloat gscale = 1.0F / 255.0F;
GLfloat bscale = 1.0F / 255.0F;
GLfloat ascale = 1.0F / 255.0F;
const GLfloat rscale = 1.0F / 255.0F;
const GLfloat gscale = 1.0F / 255.0F;
const GLfloat bscale = 1.0F / 255.0F;
const GLfloat ascale = 1.0F / 255.0F;
const GLint comps = gl_components_in_format(format);
GLuint i;
assert( n < MAX_WIDTH );
@ -1957,7 +1958,7 @@ void gl_pack_rgba_span( const GLcontext *ctx,
gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
}
if (packing->SwapBytes) {
gl_swap2( (GLushort *) dst, n );
gl_swap2( (GLushort *) dst, n * comps);
}
}
break;
@ -2032,7 +2033,7 @@ void gl_pack_rgba_span( const GLcontext *ctx,
gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
}
if (packing->SwapBytes) {
gl_swap2( (GLushort *) dst, n );
gl_swap2( (GLushort *) dst, n * comps );
}
}
break;
@ -2108,7 +2109,7 @@ void gl_pack_rgba_span( const GLcontext *ctx,
gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
}
if (packing->SwapBytes) {
gl_swap4( (GLuint *) dst, n );
gl_swap4( (GLuint *) dst, n * comps );
}
}
break;
@ -2184,7 +2185,7 @@ void gl_pack_rgba_span( const GLcontext *ctx,
gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
}
if (packing->SwapBytes) {
gl_swap4( (GLuint *) dst, n );
gl_swap4( (GLuint *) dst, n * comps );
}
}
break;
@ -2260,7 +2261,7 @@ void gl_pack_rgba_span( const GLcontext *ctx,
gl_problem(ctx, "bad format in gl_pack_rgba_span\n");
}
if (packing->SwapBytes) {
gl_swap4( (GLuint *) dst, n );
gl_swap4( (GLuint *) dst, n * comps );
}
}
break;