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author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2017-02-17 16:11:01 +0100 |
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committer | ftrapero <frantracer@gmail.com> | 2017-06-15 14:16:37 +0200 |
commit | 209657f69055b17b00c3db3f99c7f411a6e8d176 (patch) | |
tree | 8d6ae61dfda54305a712bded9caff9ee608abf4e /nx-X11/extras/Mesa/src/mesa/swrast/s_lines.c | |
parent | 459021c165c7023ee75f524060ca270985b547c1 (diff) | |
download | nx-libs-209657f69055b17b00c3db3f99c7f411a6e8d176.tar.gz nx-libs-209657f69055b17b00c3db3f99c7f411a6e8d176.tar.bz2 nx-libs-209657f69055b17b00c3db3f99c7f411a6e8d176.zip |
nx-X11/extras/Mesa: Drop bundled Mesa, place a symlink to imported Git subtree of Mesa_6.4.1 instead.
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/swrast/s_lines.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/swrast/s_lines.c | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/swrast/s_lines.c b/nx-X11/extras/Mesa/src/mesa/swrast/s_lines.c deleted file mode 100644 index dccc92cbd..000000000 --- a/nx-X11/extras/Mesa/src/mesa/swrast/s_lines.c +++ /dev/null @@ -1,338 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * 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. - */ - - -#include "glheader.h" -#include "context.h" -#include "colormac.h" -#include "macros.h" -#include "nvfragprog.h" -#include "s_aaline.h" -#include "s_context.h" -#include "s_depth.h" -#include "s_feedback.h" -#include "s_lines.h" -#include "s_span.h" - - -/* - * Init the mask[] array to implement a line stipple. - */ -static void -compute_stipple_mask( GLcontext *ctx, GLuint len, GLubyte mask[] ) -{ - SWcontext *swrast = SWRAST_CONTEXT(ctx); - GLuint i; - - for (i = 0; i < len; i++) { - GLuint bit = (swrast->StippleCounter / ctx->Line.StippleFactor) & 0xf; - if ((1 << bit) & ctx->Line.StipplePattern) { - mask[i] = GL_TRUE; - } - else { - mask[i] = GL_FALSE; - } - swrast->StippleCounter++; - } -} - - -/* - * To draw a wide line we can simply redraw the span N times, side by side. - */ -static void -draw_wide_line( GLcontext *ctx, struct sw_span *span, GLboolean xMajor ) -{ - GLint width, start; - - ASSERT(span->end < MAX_WIDTH); - - width = (GLint) CLAMP( ctx->Line._Width, MIN_LINE_WIDTH, MAX_LINE_WIDTH ); - - if (width & 1) - start = width / 2; - else - start = width / 2 - 1; - - if (xMajor) { - GLint *y = span->array->y; - GLuint i; - GLint w; - for (w = 0; w < width; w++) { - if (w == 0) { - for (i = 0; i < span->end; i++) - y[i] -= start; - } - else { - for (i = 0; i < span->end; i++) - y[i]++; - } - if (ctx->Visual.rgbMode) - _swrast_write_rgba_span(ctx, span); - else - _swrast_write_index_span(ctx, span); - } - } - else { - GLint *x = span->array->x; - GLuint i; - GLint w; - for (w = 0; w < width; w++) { - if (w == 0) { - for (i = 0; i < span->end; i++) - x[i] -= start; - } - else { - for (i = 0; i < span->end; i++) - x[i]++; - } - if (ctx->Visual.rgbMode) - _swrast_write_rgba_span(ctx, span); - else - _swrast_write_index_span(ctx, span); - } - } -} - - - -/**********************************************************************/ -/***** Rasterization *****/ -/**********************************************************************/ - -/* Simple color index line (no stipple, width=1, no Z, no fog, no tex)*/ -#define NAME simple_ci_line -#define INTERP_INDEX -#define RENDER_SPAN(span) _swrast_write_index_span(ctx, &span) -#include "s_linetemp.h" - -/* Simple RGBA index line (no stipple, width=1, no Z, no fog, no tex)*/ -#define NAME simple_rgba_line -#define INTERP_RGBA -#define RENDER_SPAN(span) _swrast_write_rgba_span(ctx, &span); -#include "s_linetemp.h" - - -/* Z, fog, wide, stipple color index line */ -#define NAME general_ci_line -#define INTERP_INDEX -#define INTERP_Z -#define INTERP_FOG -#define RENDER_SPAN(span) \ - if (ctx->Line.StippleFlag) { \ - span.arrayMask |= SPAN_MASK; \ - compute_stipple_mask(ctx, span.end, span.array->mask); \ - } \ - if (ctx->Line._Width > 1.0) { \ - draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \ - } \ - else { \ - _swrast_write_index_span(ctx, &span); \ - } -#include "s_linetemp.h" - - -/* Z, fog, wide, stipple RGBA line */ -#define NAME general_rgba_line -#define INTERP_RGBA -#define INTERP_Z -#define INTERP_FOG -#define RENDER_SPAN(span) \ - if (ctx->Line.StippleFlag) { \ - span.arrayMask |= SPAN_MASK; \ - compute_stipple_mask(ctx, span.end, span.array->mask); \ - } \ - if (ctx->Line._Width > 1.0) { \ - draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \ - } \ - else { \ - _swrast_write_rgba_span(ctx, &span); \ - } -#include "s_linetemp.h" - - -/* Single-texture line, w/ fog, Z, specular, etc. */ -#define NAME textured_line -#define INTERP_RGBA -#define INTERP_Z -#define INTERP_FOG -#define INTERP_TEX -#define RENDER_SPAN(span) \ - if (ctx->Line.StippleFlag) { \ - span.arrayMask |= SPAN_MASK; \ - compute_stipple_mask(ctx, span.end, span.array->mask); \ - } \ - if (ctx->Line._Width > 1.0) { \ - draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \ - } \ - else { \ - _swrast_write_rgba_span(ctx, &span); \ - } -#include "s_linetemp.h" - - -/* Multi-texture or separate specular line, w/ fog, Z, specular, etc. */ -#define NAME multitextured_line -#define INTERP_RGBA -#define INTERP_SPEC -#define INTERP_Z -#define INTERP_FOG -#define INTERP_MULTITEX -#define RENDER_SPAN(span) \ - if (ctx->Line.StippleFlag) { \ - span.arrayMask |= SPAN_MASK; \ - compute_stipple_mask(ctx, span.end, span.array->mask); \ - } \ - if (ctx->Line._Width > 1.0) { \ - draw_wide_line(ctx, &span, (GLboolean)(dx > dy)); \ - } \ - else { \ - _swrast_write_rgba_span(ctx, &span); \ - } -#include "s_linetemp.h" - - - -void -_swrast_add_spec_terms_line( GLcontext *ctx, - const SWvertex *v0, - const SWvertex *v1 ) -{ - SWvertex *ncv0 = (SWvertex *)v0; - SWvertex *ncv1 = (SWvertex *)v1; - GLchan c[2][4]; - COPY_CHAN4( c[0], ncv0->color ); - COPY_CHAN4( c[1], ncv1->color ); - ACC_3V( ncv0->color, ncv0->specular ); - ACC_3V( ncv1->color, ncv1->specular ); - SWRAST_CONTEXT(ctx)->SpecLine( ctx, ncv0, ncv1 ); - COPY_CHAN4( ncv0->color, c[0] ); - COPY_CHAN4( ncv1->color, c[1] ); -} - - -#ifdef DEBUG -extern void -_mesa_print_line_function(GLcontext *ctx); /* silence compiler warning */ -void -_mesa_print_line_function(GLcontext *ctx) -{ - SWcontext *swrast = SWRAST_CONTEXT(ctx); - - _mesa_printf("Line Func == "); - if (swrast->Line == simple_ci_line) - _mesa_printf("simple_ci_line\n"); - else if (swrast->Line == simple_rgba_line) - _mesa_printf("simple_rgba_line\n"); - else if (swrast->Line == general_ci_line) - _mesa_printf("general_ci_line\n"); - else if (swrast->Line == general_rgba_line) - _mesa_printf("general_rgba_line\n"); - else if (swrast->Line == textured_line) - _mesa_printf("textured_line\n"); - else if (swrast->Line == multitextured_line) - _mesa_printf("multitextured_line\n"); - else - _mesa_printf("Driver func %p\n", (void *(*)()) swrast->Line); -} -#endif - - - -#ifdef DEBUG - -/* record the current line function name */ -static const char *lineFuncName = NULL; - -#define USE(lineFunc) \ -do { \ - lineFuncName = #lineFunc; \ - /*_mesa_printf("%s\n", lineFuncName);*/ \ - swrast->Line = lineFunc; \ -} while (0) - -#else - -#define USE(lineFunc) swrast->Line = lineFunc - -#endif - - - -/* - * Determine which line drawing function to use given the current - * rendering context. - * - * Please update the summary flag _SWRAST_NEW_LINE if you add or remove - * tests to this code. - */ -void -_swrast_choose_line( GLcontext *ctx ) -{ - SWcontext *swrast = SWRAST_CONTEXT(ctx); - const GLboolean rgbmode = ctx->Visual.rgbMode; - - if (ctx->RenderMode == GL_RENDER) { - if (ctx->Line.SmoothFlag) { - /* antialiased lines */ - _swrast_choose_aa_line_function(ctx); - ASSERT(swrast->Line); - } - else if (ctx->Texture._EnabledCoordUnits) { - /* textured lines */ - if (ctx->Texture._EnabledCoordUnits > 0x1 - || NEED_SECONDARY_COLOR(ctx)) { - /* multi-texture and/or separate specular color */ - USE(multitextured_line); - } - else { - USE(textured_line); - } - } - else if (ctx->Depth.Test || swrast->_FogEnabled || ctx->Line._Width != 1.0 - || ctx->Line.StippleFlag) { - /* no texture, but Z, fog, width>1, stipple, etc. */ - if (rgbmode) - USE(general_rgba_line); - else - USE(general_ci_line); - } - else { - /* simplest lines */ - if (rgbmode) - USE(simple_rgba_line); - else - USE(simple_ci_line); - } - } - else if (ctx->RenderMode == GL_FEEDBACK) { - USE(_swrast_feedback_line); - } - else { - ASSERT(ctx->RenderMode == GL_SELECT); - USE(_swrast_select_line); - } - - /*_mesa_print_line_function(ctx);*/ -} |