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use Driver.WriteMonoRGBAPixels() when possible (Dan Schikore)

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This commit is contained in:
Brian Paul 2004-03-24 17:17:25 +00:00
parent e1e439c512
commit 844585be4c
1 changed files with 29 additions and 11 deletions
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40
src/mesa/swrast/s_span.c
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@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
* Version: 5.1
* Version: 6.1
*
* Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@ -1118,14 +1118,32 @@ _swrast_write_rgba_span( GLcontext *ctx, struct sw_span *span)
/* write pixels */
if (span->arrayMask & SPAN_XY) {
/* array of pixel coords */
/* XXX test for mono color */
(*swrast->Driver.WriteRGBAPixels)(ctx, span->end, span->array->x,
span->array->y, (const GLchan (*)[4]) span->array->rgba, span->array->mask);
if (SWRAST_CONTEXT(ctx)->_RasterMask & ALPHABUF_BIT) {
_swrast_write_alpha_pixels(ctx, span->end,
span->array->x, span->array->y,
(const GLchan (*)[4]) span->array->rgba,
span->array->mask);
if (monoColor) {
/* all pixels have same color */
GLchan color[4];
color[RCOMP] = FixedToChan(span->red);
color[GCOMP] = FixedToChan(span->green);
color[BCOMP] = FixedToChan(span->blue);
color[ACOMP] = FixedToChan(span->alpha);
(*swrast->Driver.WriteMonoRGBAPixels)(ctx, span->end,
span->array->x, span->array->y, color, span->array->mask);
if (SWRAST_CONTEXT(ctx)->_RasterMask & ALPHABUF_BIT) {
_swrast_write_mono_alpha_pixels(ctx, span->end,
span->array->x, span->array->y,
color[ACOMP], span->array->mask);
}
}
else {
(*swrast->Driver.WriteRGBAPixels)(ctx, span->end,
span->array->x, span->array->y,
(const GLchan (*)[4]) span->array->rgba,
span->array->mask);
if (SWRAST_CONTEXT(ctx)->_RasterMask & ALPHABUF_BIT) {
_swrast_write_alpha_pixels(ctx, span->end,
span->array->x, span->array->y,
(const GLchan (*)[4]) span->array->rgba,
span->array->mask);
}
}
}
else {
@ -1138,7 +1156,7 @@ _swrast_write_rgba_span( GLcontext *ctx, struct sw_span *span)
color[BCOMP] = FixedToChan(span->blue);
color[ACOMP] = FixedToChan(span->alpha);
(*swrast->Driver.WriteMonoRGBASpan)(ctx, span->end, span->x,
span->y, color, span->array->mask);
span->y, color, span->array->mask);
if (swrast->_RasterMask & ALPHABUF_BIT) {
_swrast_write_mono_alpha_span(ctx, span->end, span->x, span->y,
color[ACOMP],