-/* $Id: s_masking.c,v 1.7 2002/02/02 21:40:33 brianp Exp $ */
-
/*
* Mesa 3-D graphics library
- * Version: 4.1
+ * Version: 6.3
*
- * Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2005 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"),
#include "enums.h"
#include "macros.h"
-#include "s_alphabuf.h"
#include "s_context.h"
#include "s_masking.h"
#include "s_span.h"
void
-_mesa_mask_rgba_span( GLcontext *ctx, const struct sw_span *span,
- GLchan rgba[][4] )
+_swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb,
+ const struct sw_span *span, GLchan rgba[][4])
{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
GLchan dest[MAX_WIDTH][4];
#if CHAN_BITS == 8
GLuint srcMask = *((GLuint*)ctx->Color.ColorMask);
ASSERT(span->arrayMask & SPAN_RGBA);
if (span->arrayMask & SPAN_XY) {
- (*swrast->Driver.ReadRGBAPixels)(ctx, n, span->xArray, span->yArray,
- dest, span->mask);
- if (SWRAST_CONTEXT(ctx)->_RasterMask & ALPHABUF_BIT) {
- _mesa_read_alpha_pixels(ctx, n, span->xArray, span->yArray,
- dest, span->mask );
- }
+ rb->GetValues(ctx, rb, n, span->array->x, span->array->y, dest);
}
else {
- _mesa_read_rgba_span(ctx, ctx->DrawBuffer, n, span->x, span->y, dest);
+ _swrast_read_rgba_span(ctx, rb, n, span->x, span->y, dest);
}
#if CHAN_BITS == 8
}
-
-
/*
* Apply glColorMask to a span of RGBA pixels.
*/
void
-_mesa_mask_rgba_array( GLcontext *ctx,
- GLuint n, GLint x, GLint y, GLchan rgba[][4] )
+_swrast_mask_rgba_array(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y, GLchan rgba[][4])
{
GLchan dest[MAX_WIDTH][4];
GLuint i;
GLuint *rgba32 = (GLuint *) rgba;
GLuint *dest32 = (GLuint *) dest;
- _mesa_read_rgba_span( ctx, ctx->DrawBuffer, n, x, y, dest );
+ _swrast_read_rgba_span( ctx, rb, n, x, y, dest );
for (i = 0; i < n; i++) {
rgba32[i] = (rgba32[i] & srcMask) | (dest32[i] & dstMask);
}
const GLint bMask = ctx->Color.ColorMask[BCOMP];
const GLint aMask = ctx->Color.ColorMask[ACOMP];
- _mesa_read_rgba_span( ctx, ctx->DrawBuffer, n, x, y, dest );
+ _swrast_read_rgba_span( ctx, rb, n, x, y, dest );
for (i = 0; i < n; i++) {
if (!rMask) rgba[i][RCOMP] = dest[i][RCOMP];
if (!gMask) rgba[i][GCOMP] = dest[i][GCOMP];
void
-_mesa_mask_index_span( GLcontext *ctx, const struct sw_span *span,
- GLuint index[] )
+_swrast_mask_ci_span(GLcontext *ctx, struct gl_renderbuffer *rb,
+ const struct sw_span *span, GLuint index[])
{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
- const GLuint msrc = ctx->Color.IndexMask;
- const GLuint mdest = ~msrc;
- GLuint fbindexes[MAX_WIDTH];
+ const GLuint srcMask = ctx->Color.IndexMask;
+ const GLuint dstMask = ~srcMask;
+ GLuint dest[MAX_WIDTH];
GLuint i;
ASSERT(span->arrayMask & SPAN_INDEX);
ASSERT(span->end < MAX_WIDTH);
+ ASSERT(rb->DataType == GL_UNSIGNED_INT);
if (span->arrayMask & SPAN_XY) {
-
- (*swrast->Driver.ReadCI32Pixels)(ctx, span->end, span->xArray,
- span->yArray, fbindexes, span->mask);
-
- for (i = 0; i < span->end; i++) {
- index[i] = (index[i] & msrc) | (fbindexes[i] & mdest);
- }
+ rb->GetValues(ctx, rb, span->end, span->array->x, span->array->y, dest);
}
else {
- _mesa_read_index_span(ctx, ctx->DrawBuffer, span->end, span->x, span->y,
- fbindexes );
+ _swrast_read_index_span(ctx, rb, span->end, span->x, span->y, dest);
+ }
- for (i = 0; i < span->end; i++) {
- index[i] = (index[i] & msrc) | (fbindexes[i] & mdest);
- }
+ for (i = 0; i < span->end; i++) {
+ index[i] = (index[i] & srcMask) | (dest[i] & dstMask);
}
}
-
/*
- * Apply glIndexMask to a span of CI pixels.
+ * Apply glIndexMask to an array of CI pixels.
*/
void
-_mesa_mask_index_array( GLcontext *ctx,
- GLuint n, GLint x, GLint y, GLuint index[] )
+_swrast_mask_ci_array(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y, GLuint index[])
{
+ const GLuint srcMask = ctx->Color.IndexMask;
+ const GLuint dstMask = ~srcMask;
+ GLuint dest[MAX_WIDTH];
GLuint i;
- GLuint fbindexes[MAX_WIDTH];
- GLuint msrc, mdest;
-
- _mesa_read_index_span( ctx, ctx->DrawBuffer, n, x, y, fbindexes );
- msrc = ctx->Color.IndexMask;
- mdest = ~msrc;
+ _swrast_read_index_span(ctx, rb, n, x, y, dest);
for (i=0;i<n;i++) {
- index[i] = (index[i] & msrc) | (fbindexes[i] & mdest);
+ index[i] = (index[i] & srcMask) | (dest[i] & dstMask);
}
}