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replace 255 with CHAN_MAX

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This commit is contained in:
Brian Paul 2001-06-15 13:41:12 +00:00
parent 03d6c4c2db
commit 65c6ca9179
1 changed files with 7 additions and 7 deletions
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14
src/mesa/drivers/osmesa/osmesa.c
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@ -1,4 +1,4 @@
/* $Id: osmesa.c,v 1.57 2001/06/14 18:30:14 brianp Exp $ */
/* $Id: osmesa.c,v 1.58 2001/06/15 13:41:12 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -884,13 +884,13 @@ write_rgb_span( const GLcontext *ctx, GLuint n, GLint x, GLint y,
if (mask) {
for (i = 0; i < n; i++, p+=4) {
if (mask[i]) {
PACK_RGBA(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255);
PACK_RGBA(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], CHAN_MAX);
}
}
}
else {
for (i = 0; i < n; i++, p+=4) {
PACK_RGBA(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255);
PACK_RGBA(p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], CHAN_MAX);
}
}
}
@ -1184,7 +1184,7 @@ read_rgba_span3( const GLcontext *ctx, GLuint n, GLint x, GLint y,
rgba[i][RCOMP] = UNPACK_RED(p);
rgba[i][GCOMP] = UNPACK_GREEN(p);
rgba[i][BCOMP] = UNPACK_BLUE(p);
rgba[i][ACOMP] = 255;
rgba[i][ACOMP] = CHAN_MAX;
}
}
@ -1201,7 +1201,7 @@ read_rgba_pixels3( const GLcontext *ctx,
rgba[i][RCOMP] = UNPACK_RED(p);
rgba[i][GCOMP] = UNPACK_GREEN(p);
rgba[i][BCOMP] = UNPACK_BLUE(p);
rgba[i][ACOMP] = 255;
rgba[i][ACOMP] = CHAN_MAX;
}
}
}
@ -1407,7 +1407,7 @@ flat_blend_rgba_line( GLcontext *ctx,
const GLint gshift = osmesa->gshift;
const GLint bshift = osmesa->bshift;
const GLint avalue = vert0->color[3];
const GLint msavalue = 255 - avalue;
const GLint msavalue = CHAN_MAX - avalue;
const GLint rvalue = vert0->color[0]*avalue;
const GLint gvalue = vert0->color[1]*avalue;
const GLint bvalue = vert0->color[2]*avalue;
@ -1415,7 +1415,7 @@ flat_blend_rgba_line( GLcontext *ctx,
#define INTERP_XY 1
#define CLIP_HACK 1
#define PLOT(X,Y) \
{ GLuint *ptr4 = (GLuint *) PIXELADDR4(X, Y); \
{ GLuint *ptr4 = (GLuint *) PIXELADDR4(X, Y); \
GLuint pixel = 0; \
pixel |=((((((*ptr4) >> rshift) & 0xff)*msavalue+rvalue)>>8) << rshift);\
pixel |=((((((*ptr4) >> gshift) & 0xff)*msavalue+gvalue)>>8) << gshift);\