diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/swrast/s_masking.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/swrast/s_masking.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/swrast/s_masking.c b/nx-X11/extras/Mesa/src/mesa/swrast/s_masking.c deleted file mode 100644 index 65c4e7d01..000000000 --- a/nx-X11/extras/Mesa/src/mesa/swrast/s_masking.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * 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"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -/* - * Implement the effect of glColorMask and glIndexMask in software. - */ - - -#include "glheader.h" -#include "enums.h" -#include "macros.h" - -#include "s_context.h" -#include "s_masking.h" -#include "s_span.h" - - - -void -_swrast_mask_rgba_span(GLcontext *ctx, struct gl_renderbuffer *rb, - const struct sw_span *span, GLchan rgba[][4]) -{ - GLchan dest[MAX_WIDTH][4]; -#if CHAN_BITS == 8 - GLuint srcMask = *((GLuint*)ctx->Color.ColorMask); - GLuint dstMask = ~srcMask; - GLuint *rgba32 = (GLuint *) rgba; - GLuint *dest32 = (GLuint *) dest; -#else - const GLboolean rMask = ctx->Color.ColorMask[RCOMP]; - const GLboolean gMask = ctx->Color.ColorMask[GCOMP]; - const GLboolean bMask = ctx->Color.ColorMask[BCOMP]; - const GLboolean aMask = ctx->Color.ColorMask[ACOMP]; -#endif - const GLuint n = span->end; - GLuint i; - - ASSERT(n < MAX_WIDTH); - ASSERT(span->arrayMask & SPAN_RGBA); - - if (span->arrayMask & SPAN_XY) { - _swrast_get_values(ctx, rb, n, span->array->x, span->array->y, - dest, 4 * sizeof(GLchan)); - } - else { - _swrast_read_rgba_span(ctx, rb, n, span->x, span->y, dest); - } - -#if CHAN_BITS == 8 - for (i = 0; i < n; i++) { - rgba32[i] = (rgba32[i] & srcMask) | (dest32[i] & dstMask); - } -#else - for (i = 0; i < n; i++) { - if (!rMask) rgba[i][RCOMP] = dest[i][RCOMP]; - if (!gMask) rgba[i][GCOMP] = dest[i][GCOMP]; - if (!bMask) rgba[i][BCOMP] = dest[i][BCOMP]; - if (!aMask) rgba[i][ACOMP] = dest[i][ACOMP]; - } -#endif -} - - -/* - * Apply glColorMask to a span of RGBA pixels. - */ -void -_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; - -#if CHAN_BITS == 8 - - GLuint srcMask = *((GLuint*)ctx->Color.ColorMask); - GLuint dstMask = ~srcMask; - GLuint *rgba32 = (GLuint *) rgba; - GLuint *dest32 = (GLuint *) 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); - } - -#else - - const GLint rMask = ctx->Color.ColorMask[RCOMP]; - const GLint gMask = ctx->Color.ColorMask[GCOMP]; - const GLint bMask = ctx->Color.ColorMask[BCOMP]; - const GLint aMask = ctx->Color.ColorMask[ACOMP]; - - _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]; - if (!bMask) rgba[i][BCOMP] = dest[i][BCOMP]; - if (!aMask) rgba[i][ACOMP] = dest[i][ACOMP]; - } - -#endif -} - - - -void -_swrast_mask_ci_span(GLcontext *ctx, struct gl_renderbuffer *rb, - const struct sw_span *span, GLuint index[]) -{ - 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_get_values(ctx, rb, span->end, span->array->x, span->array->y, - dest, sizeof(GLuint)); - } - else { - _swrast_read_index_span(ctx, rb, span->end, span->x, span->y, dest); - } - - for (i = 0; i < span->end; i++) { - index[i] = (index[i] & srcMask) | (dest[i] & dstMask); - } -} - - -/* - * Apply glIndexMask to an array of CI pixels. - */ -void -_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; - - _swrast_read_index_span(ctx, rb, n, x, y, dest); - - for (i=0;i<n;i++) { - index[i] = (index[i] & srcMask) | (dest[i] & dstMask); - } -} |