From 209657f69055b17b00c3db3f99c7f411a6e8d176 Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Fri, 17 Feb 2017 16:11:01 +0100 Subject: nx-X11/extras/Mesa: Drop bundled Mesa, place a symlink to imported Git subtree of Mesa_6.4.1 instead. --- nx-X11/extras/Mesa/src/mesa/swrast/s_zoom.c | 428 ---------------------------- 1 file changed, 428 deletions(-) delete mode 100644 nx-X11/extras/Mesa/src/mesa/swrast/s_zoom.c (limited to 'nx-X11/extras/Mesa/src/mesa/swrast/s_zoom.c') diff --git a/nx-X11/extras/Mesa/src/mesa/swrast/s_zoom.c b/nx-X11/extras/Mesa/src/mesa/swrast/s_zoom.c deleted file mode 100644 index b67a29701..000000000 --- a/nx-X11/extras/Mesa/src/mesa/swrast/s_zoom.c +++ /dev/null @@ -1,428 +0,0 @@ - -/* - * Mesa 3-D graphics library - * Version: 5.1 - * - * Copyright (C) 1999-2003 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. - */ - -#include "glheader.h" -#include "macros.h" -#include "imports.h" -#include "colormac.h" - -#include "s_context.h" -#include "s_span.h" -#include "s_stencil.h" -#include "s_zoom.h" - - -/* - * Helper function called from _swrast_write_zoomed_rgba/rgb/index_span(). - */ -static void -zoom_span( GLcontext *ctx, const struct sw_span *span, - const GLvoid *src, GLint y0, GLenum format, GLint skipPixels ) -{ - GLint r0, r1, row; - GLint c0, c1, skipCol; - GLint i, j; - const GLuint maxWidth = MIN2( ctx->DrawBuffer->Width, MAX_WIDTH ); - struct sw_span zoomed; - struct span_arrays zoomed_arrays; /* this is big! */ - - /* no pixel arrays! must be horizontal spans. */ - ASSERT((span->arrayMask & SPAN_XY) == 0); - ASSERT(span->primitive == GL_BITMAP); - - INIT_SPAN(zoomed, GL_BITMAP, 0, 0, 0); - zoomed.array = &zoomed_arrays; - - /* copy fog interp info */ - zoomed.fog = span->fog; - zoomed.fogStep = span->fogStep; - /* XXX copy texcoord info? */ - - if (format == GL_RGBA || format == GL_RGB) { - /* copy Z info */ - zoomed.z = span->z; - zoomed.zStep = span->zStep; - /* we'll generate an array of colorss */ - zoomed.interpMask = span->interpMask & ~SPAN_RGBA; - zoomed.arrayMask |= SPAN_RGBA; - } - else if (format == GL_COLOR_INDEX) { - /* copy Z info */ - zoomed.z = span->z; - zoomed.zStep = span->zStep; - /* we'll generate an array of color indexes */ - zoomed.interpMask = span->interpMask & ~SPAN_INDEX; - zoomed.arrayMask |= SPAN_INDEX; - } - else { - assert(format == GL_DEPTH_COMPONENT); - /* Copy color info */ - zoomed.red = span->red; - zoomed.green = span->green; - zoomed.blue = span->blue; - zoomed.alpha = span->alpha; - zoomed.redStep = span->redStep; - zoomed.greenStep = span->greenStep; - zoomed.blueStep = span->blueStep; - zoomed.alphaStep = span->alphaStep; - /* we'll generate an array of depth values */ - zoomed.interpMask = span->interpMask & ~SPAN_Z; - zoomed.arrayMask |= SPAN_Z; - } - - /* - * Compute which columns to draw: [c0, c1) - */ - c0 = (GLint) (span->x + skipPixels * ctx->Pixel.ZoomX); - c1 = (GLint) (span->x + (skipPixels + span->end) * ctx->Pixel.ZoomX); - if (c0 == c1) { - return; - } - else if (c1 < c0) { - /* swap */ - GLint ctmp = c1; - c1 = c0; - c0 = ctmp; - } - if (c0 < 0) { - zoomed.x = 0; - zoomed.start = 0; - zoomed.end = c1; - skipCol = -c0; - } - else { - zoomed.x = c0; - zoomed.start = 0; - zoomed.end = c1 - c0; - skipCol = 0; - } - if (zoomed.end > maxWidth) - zoomed.end = maxWidth; - - /* - * Compute which rows to draw: [r0, r1) - */ - row = span->y - y0; - r0 = y0 + (GLint) (row * ctx->Pixel.ZoomY); - r1 = y0 + (GLint) ((row+1) * ctx->Pixel.ZoomY); - if (r0 == r1) { - return; - } - else if (r1 < r0) { - /* swap */ - GLint rtmp = r1; - r1 = r0; - r0 = rtmp; - } - - ASSERT(r0 < r1); - ASSERT(c0 < c1); - - /* - * Trivial clip rejection testing. - */ - if (r1 < 0) /* below window */ - return; - if (r0 >= (GLint) ctx->DrawBuffer->Height) /* above window */ - return; - if (c1 < 0) /* left of window */ - return; - if (c0 >= (GLint) ctx->DrawBuffer->Width) /* right of window */ - return; - - /* zoom the span horizontally */ - if (format == GL_RGBA) { - const GLchan (*rgba)[4] = (const GLchan (*)[4]) src; - if (ctx->Pixel.ZoomX == -1.0F) { - /* common case */ - for (j = (GLint) zoomed.start; j < (GLint) zoomed.end; j++) { - i = span->end - (j + skipCol) - 1; - COPY_CHAN4(zoomed.array->rgba[j], rgba[i]); - } - } - else { - /* general solution */ - const GLfloat xscale = 1.0F / ctx->Pixel.ZoomX; - for (j = (GLint) zoomed.start; j < (GLint) zoomed.end; j++) { - i = (GLint) ((j + skipCol) * xscale); - if (ctx->Pixel.ZoomX < 0.0) { - ASSERT(i <= 0); - i = span->end + i - 1; - } - ASSERT(i >= 0); - ASSERT(i < (GLint) span->end); - COPY_CHAN4(zoomed.array->rgba[j], rgba[i]); - } - } - } - else if (format == GL_RGB) { - const GLchan (*rgb)[3] = (const GLchan (*)[3]) src; - if (ctx->Pixel.ZoomX == -1.0F) { - /* common case */ - for (j = (GLint) zoomed.start; j < (GLint) zoomed.end; j++) { - i = span->end - (j + skipCol) - 1; - zoomed.array->rgba[j][0] = rgb[i][0]; - zoomed.array->rgba[j][1] = rgb[i][1]; - zoomed.array->rgba[j][2] = rgb[i][2]; - zoomed.array->rgba[j][3] = CHAN_MAX; - } - } - else { - /* general solution */ - const GLfloat xscale = 1.0F / ctx->Pixel.ZoomX; - for (j = (GLint) zoomed.start; j < (GLint) zoomed.end; j++) { - i = (GLint) ((j + skipCol) * xscale); - if (ctx->Pixel.ZoomX < 0.0) { - ASSERT(i <= 0); - i = span->end + i - 1; - } - ASSERT(i >= 0); - ASSERT(i < (GLint) span->end); - zoomed.array->rgba[j][0] = rgb[i][0]; - zoomed.array->rgba[j][1] = rgb[i][1]; - zoomed.array->rgba[j][2] = rgb[i][2]; - zoomed.array->rgba[j][3] = CHAN_MAX; - } - } - } - else if (format == GL_COLOR_INDEX) { - const GLuint *indexes = (const GLuint *) src; - if (ctx->Pixel.ZoomX == -1.0F) { - /* common case */ - for (j = (GLint) zoomed.start; j < (GLint) zoomed.end; j++) { - i = span->end - (j + skipCol) - 1; - zoomed.array->index[j] = indexes[i]; - } - } - else { - /* general solution */ - const GLfloat xscale = 1.0F / ctx->Pixel.ZoomX; - for (j = (GLint) zoomed.start; j < (GLint) zoomed.end; j++) { - i = (GLint) ((j + skipCol) * xscale); - if (ctx->Pixel.ZoomX < 0.0) { - ASSERT(i <= 0); - i = span->end + i - 1; - } - ASSERT(i >= 0); - ASSERT(i < (GLint) span->end); - zoomed.array->index[j] = indexes[i]; - } - } - } - else { - const GLdepth *zValues = (const GLuint *) src; - assert(format == GL_DEPTH_COMPONENT); - if (ctx->Pixel.ZoomX == -1.0F) { - /* common case */ - for (j = (GLint) zoomed.start; j < (GLint) zoomed.end; j++) { - i = span->end - (j + skipCol) - 1; - zoomed.array->z[j] = zValues[i]; - } - } - else { - /* general solution */ - const GLfloat xscale = 1.0F / ctx->Pixel.ZoomX; - for (j = (GLint) zoomed.start; j < (GLint) zoomed.end; j++) { - i = (GLint) ((j + skipCol) * xscale); - if (ctx->Pixel.ZoomX < 0.0) { - ASSERT(i <= 0); - i = span->end + i - 1; - } - ASSERT(i >= 0); - ASSERT(i < (GLint) span->end); - zoomed.array->z[j] = zValues[i]; - } - } - /* Now, fall into either the RGB or COLOR_INDEX path below */ - if (ctx->Visual.rgbMode) - format = GL_RGBA; - else - format = GL_COLOR_INDEX; - } - - - /* write the span in rows [r0, r1) */ - if (format == GL_RGBA || format == GL_RGB) { - /* Writing the span may modify the colors, so make a backup now if we're - * going to call _swrast_write_zoomed_span() more than once. - * Also, clipping may change the span end value, so store it as well. - */ - GLchan rgbaSave[MAX_WIDTH][4]; - const GLint end = zoomed.end; /* save */ - if (r1 - r0 > 1) { - MEMCPY(rgbaSave, zoomed.array->rgba, zoomed.end * 4 * sizeof(GLchan)); - } - for (zoomed.y = r0; zoomed.y < r1; zoomed.y++) { - _swrast_write_rgba_span(ctx, &zoomed); - zoomed.end = end; /* restore */ - if (r1 - r0 > 1) { - /* restore the colors */ - MEMCPY(zoomed.array->rgba, rgbaSave, zoomed.end*4 * sizeof(GLchan)); - } - } - } - else if (format == GL_COLOR_INDEX) { - GLuint indexSave[MAX_WIDTH]; - const GLint end = zoomed.end; /* save */ - if (r1 - r0 > 1) { - MEMCPY(indexSave, zoomed.array->index, zoomed.end * sizeof(GLuint)); - } - for (zoomed.y = r0; zoomed.y < r1; zoomed.y++) { - _swrast_write_index_span(ctx, &zoomed); - zoomed.end = end; /* restore */ - if (r1 - r0 > 1) { - /* restore the colors */ - MEMCPY(zoomed.array->index, indexSave, zoomed.end * sizeof(GLuint)); - } - } - } -} - - -void -_swrast_write_zoomed_rgba_span( GLcontext *ctx, const struct sw_span *span, - CONST GLchan rgba[][4], GLint y0, - GLint skipPixels ) -{ - zoom_span(ctx, span, (const GLvoid *) rgba, y0, GL_RGBA, skipPixels); -} - - -void -_swrast_write_zoomed_rgb_span( GLcontext *ctx, const struct sw_span *span, - CONST GLchan rgb[][3], GLint y0, - GLint skipPixels ) -{ - zoom_span(ctx, span, (const GLvoid *) rgb, y0, GL_RGB, skipPixels); -} - - -void -_swrast_write_zoomed_index_span( GLcontext *ctx, const struct sw_span *span, - GLint y0, GLint skipPixels ) -{ - zoom_span(ctx, span, (const GLvoid *) span->array->index, y0, - GL_COLOR_INDEX, skipPixels); -} - - -void -_swrast_write_zoomed_depth_span( GLcontext *ctx, const struct sw_span *span, - GLint y0, GLint skipPixels ) -{ - zoom_span(ctx, span, (const GLvoid *) span->array->z, y0, - GL_DEPTH_COMPONENT, skipPixels); -} - - -/* - * As above, but write stencil values. - */ -void -_swrast_write_zoomed_stencil_span( GLcontext *ctx, - GLuint n, GLint x, GLint y, - const GLstencil stencil[], GLint y0, - GLint skipPixels ) -{ - GLint m; - GLint r0, r1, row, r; - GLint i, j, skipcol; - GLstencil zstencil[MAX_WIDTH]; /* zoomed stencil values */ - GLint maxwidth = MIN2( ctx->DrawBuffer->Width, MAX_WIDTH ); - - (void) skipPixels; /* XXX this shouldn't be ignored */ - - /* compute width of output row */ - m = (GLint) FABSF( n * ctx->Pixel.ZoomX ); - if (m==0) { - return; - } - if (ctx->Pixel.ZoomX<0.0) { - /* adjust x coordinate for left/right mirroring */ - x = x - m; - } - - /* compute which rows to draw */ - row = y - y0; - r0 = y0 + (GLint) (row * ctx->Pixel.ZoomY); - r1 = y0 + (GLint) ((row+1) * ctx->Pixel.ZoomY); - if (r0==r1) { - return; - } - else if (r1= (GLint) ctx->DrawBuffer->Height && - r1 >= (GLint) ctx->DrawBuffer->Height) { - /* above window */ - return; - } - - /* check if left edge is outside window */ - skipcol = 0; - if (x<0) { - skipcol = -x; - m += x; - } - /* make sure span isn't too long or short */ - if (m>maxwidth) { - m = maxwidth; - } - else if (m<=0) { - return; - } - - ASSERT( m <= MAX_WIDTH ); - - /* zoom the span horizontally */ - if (ctx->Pixel.ZoomX==-1.0F) { - /* n==m */ - for (j=0;jPixel.ZoomX; - for (j=0;j