aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/extras/Mesa/src/mesa/swrast/s_aalinetemp.h
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/swrast/s_aalinetemp.h')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/swrast/s_aalinetemp.h329
1 files changed, 0 insertions, 329 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/swrast/s_aalinetemp.h b/nx-X11/extras/Mesa/src/mesa/swrast/s_aalinetemp.h
deleted file mode 100644
index 4a1e1ebda..000000000
--- a/nx-X11/extras/Mesa/src/mesa/swrast/s_aalinetemp.h
+++ /dev/null
@@ -1,329 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.3
- *
- * 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"),
- * 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.
- */
-
-
-/*
- * Antialiased line template.
- */
-
-
-/*
- * Function to render each fragment in the AA line.
- * \param ix - integer fragment window X coordiante
- * \param iy - integer fragment window Y coordiante
- */
-static void
-NAME(plot)(GLcontext *ctx, struct LineInfo *line, int ix, int iy)
-{
- const GLfloat fx = (GLfloat) ix;
- const GLfloat fy = (GLfloat) iy;
-#ifdef DO_INDEX
- const GLfloat coverage = compute_coveragei(line, ix, iy);
-#else
- const GLfloat coverage = compute_coveragef(line, ix, iy);
-#endif
- const GLuint i = line->span.end;
-
- if (coverage == 0.0)
- return;
-
- line->span.end++;
- line->span.array->coverage[i] = coverage;
- line->span.array->x[i] = ix;
- line->span.array->y[i] = iy;
-
- /*
- * Compute Z, color, texture coords, fog for the fragment by
- * solving the plane equations at (ix,iy).
- */
-#ifdef DO_Z
- line->span.array->z[i] = (GLdepth) IROUND(solve_plane(fx, fy, line->zPlane));
-#endif
-#ifdef DO_FOG
- line->span.array->fog[i] = solve_plane(fx, fy, line->fPlane);
-#endif
-#ifdef DO_RGBA
- line->span.array->rgba[i][RCOMP] = solve_plane_chan(fx, fy, line->rPlane);
- line->span.array->rgba[i][GCOMP] = solve_plane_chan(fx, fy, line->gPlane);
- line->span.array->rgba[i][BCOMP] = solve_plane_chan(fx, fy, line->bPlane);
- line->span.array->rgba[i][ACOMP] = solve_plane_chan(fx, fy, line->aPlane);
-#endif
-#ifdef DO_INDEX
- line->span.array->index[i] = (GLint) solve_plane(fx, fy, line->iPlane);
-#endif
-#ifdef DO_SPEC
- line->span.array->spec[i][RCOMP] = solve_plane_chan(fx, fy, line->srPlane);
- line->span.array->spec[i][GCOMP] = solve_plane_chan(fx, fy, line->sgPlane);
- line->span.array->spec[i][BCOMP] = solve_plane_chan(fx, fy, line->sbPlane);
-#endif
-#ifdef DO_TEX
- {
- GLfloat invQ;
- if (ctx->FragmentProgram._Active) {
- invQ = 1.0F;
- }
- else {
- invQ = solve_plane_recip(fx, fy, line->vPlane[0]);
- }
- line->span.array->texcoords[0][i][0] = solve_plane(fx, fy, line->sPlane[0]) * invQ;
- line->span.array->texcoords[0][i][1] = solve_plane(fx, fy, line->tPlane[0]) * invQ;
- line->span.array->texcoords[0][i][2] = solve_plane(fx, fy, line->uPlane[0]) * invQ;
- line->span.array->lambda[0][i] = compute_lambda(line->sPlane[0],
- line->tPlane[0], invQ,
- line->texWidth[0],
- line->texHeight[0]);
- }
-#elif defined(DO_MULTITEX)
- {
- GLuint unit;
- for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
- if (ctx->Texture.Unit[unit]._ReallyEnabled) {
- GLfloat invQ;
- if (ctx->FragmentProgram._Active) {
- invQ = 1.0F;
- }
- else {
- invQ = solve_plane_recip(fx, fy, line->vPlane[unit]);
- }
- line->span.array->texcoords[unit][i][0] = solve_plane(fx, fy, line->sPlane[unit]) * invQ;
- line->span.array->texcoords[unit][i][1] = solve_plane(fx, fy, line->tPlane[unit]) * invQ;
- line->span.array->texcoords[unit][i][2] = solve_plane(fx, fy, line->uPlane[unit]) * invQ;
- line->span.array->lambda[unit][i] = compute_lambda(line->sPlane[unit],
- line->tPlane[unit], invQ,
- line->texWidth[unit], line->texHeight[unit]);
- }
- }
- }
-#endif
-
- if (line->span.end == MAX_WIDTH) {
-#if defined(DO_RGBA)
- _swrast_write_rgba_span(ctx, &(line->span));
-#else
- _swrast_write_index_span(ctx, &(line->span));
-#endif
- line->span.end = 0; /* reset counter */
- }
-}
-
-
-
-/*
- * Line setup
- */
-static void
-NAME(line)(GLcontext *ctx, const SWvertex *v0, const SWvertex *v1)
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
- GLfloat tStart, tEnd; /* segment start, end along line length */
- GLboolean inSegment;
- GLint iLen, i;
-
- /* Init the LineInfo struct */
- struct LineInfo line;
- line.x0 = v0->win[0];
- line.y0 = v0->win[1];
- line.x1 = v1->win[0];
- line.y1 = v1->win[1];
- line.dx = line.x1 - line.x0;
- line.dy = line.y1 - line.y0;
- line.len = SQRTF(line.dx * line.dx + line.dy * line.dy);
- line.halfWidth = 0.5F * ctx->Line._Width;
-
- if (line.len == 0.0 || IS_INF_OR_NAN(line.len))
- return;
-
- INIT_SPAN(line.span, GL_LINE, 0, 0, SPAN_XY | SPAN_COVERAGE);
-
- line.xAdj = line.dx / line.len * line.halfWidth;
- line.yAdj = line.dy / line.len * line.halfWidth;
-
-#ifdef DO_Z
- line.span.arrayMask |= SPAN_Z;
- compute_plane(line.x0, line.y0, line.x1, line.y1,
- v0->win[2], v1->win[2], line.zPlane);
-#endif
-#ifdef DO_FOG
- line.span.arrayMask |= SPAN_FOG;
- compute_plane(line.x0, line.y0, line.x1, line.y1,
- v0->fog, v1->fog, line.fPlane);
-#endif
-#ifdef DO_RGBA
- line.span.arrayMask |= SPAN_RGBA;
- if (ctx->Light.ShadeModel == GL_SMOOTH) {
- compute_plane(line.x0, line.y0, line.x1, line.y1,
- v0->color[RCOMP], v1->color[RCOMP], line.rPlane);
- compute_plane(line.x0, line.y0, line.x1, line.y1,
- v0->color[GCOMP], v1->color[GCOMP], line.gPlane);
- compute_plane(line.x0, line.y0, line.x1, line.y1,
- v0->color[BCOMP], v1->color[BCOMP], line.bPlane);
- compute_plane(line.x0, line.y0, line.x1, line.y1,
- v0->color[ACOMP], v1->color[ACOMP], line.aPlane);
- }
- else {
- constant_plane(v1->color[RCOMP], line.rPlane);
- constant_plane(v1->color[GCOMP], line.gPlane);
- constant_plane(v1->color[BCOMP], line.bPlane);
- constant_plane(v1->color[ACOMP], line.aPlane);
- }
-#endif
-#ifdef DO_SPEC
- line.span.arrayMask |= SPAN_SPEC;
- if (ctx->Light.ShadeModel == GL_SMOOTH) {
- compute_plane(line.x0, line.y0, line.x1, line.y1,
- v0->specular[RCOMP], v1->specular[RCOMP], line.srPlane);
- compute_plane(line.x0, line.y0, line.x1, line.y1,
- v0->specular[GCOMP], v1->specular[GCOMP], line.sgPlane);
- compute_plane(line.x0, line.y0, line.x1, line.y1,
- v0->specular[BCOMP], v1->specular[BCOMP], line.sbPlane);
- }
- else {
- constant_plane(v1->specular[RCOMP], line.srPlane);
- constant_plane(v1->specular[GCOMP], line.sgPlane);
- constant_plane(v1->specular[BCOMP], line.sbPlane);
- }
-#endif
-#ifdef DO_INDEX
- line.span.arrayMask |= SPAN_INDEX;
- if (ctx->Light.ShadeModel == GL_SMOOTH) {
- compute_plane(line.x0, line.y0, line.x1, line.y1,
- v0->index, v1->index, line.iPlane);
- }
- else {
- constant_plane(v1->index, line.iPlane);
- }
-#endif
-#ifdef DO_TEX
- {
- const struct gl_texture_object *obj = ctx->Texture.Unit[0]._Current;
- const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel];
- const GLfloat invW0 = v0->win[3];
- const GLfloat invW1 = v1->win[3];
- const GLfloat s0 = v0->texcoord[0][0] * invW0;
- const GLfloat s1 = v1->texcoord[0][0] * invW1;
- const GLfloat t0 = v0->texcoord[0][1] * invW0;
- const GLfloat t1 = v1->texcoord[0][1] * invW1;
- const GLfloat r0 = v0->texcoord[0][2] * invW0;
- const GLfloat r1 = v1->texcoord[0][2] * invW1;
- const GLfloat q0 = v0->texcoord[0][3] * invW0;
- const GLfloat q1 = v1->texcoord[0][3] * invW1;
- line.span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA);
- compute_plane(line.x0, line.y0, line.x1, line.y1, s0, s1, line.sPlane[0]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, t0, t1, line.tPlane[0]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, r0, r1, line.uPlane[0]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, q0, q1, line.vPlane[0]);
- line.texWidth[0] = (GLfloat) texImage->Width;
- line.texHeight[0] = (GLfloat) texImage->Height;
- }
-#elif defined(DO_MULTITEX)
- {
- GLuint u;
- line.span.arrayMask |= (SPAN_TEXTURE | SPAN_LAMBDA);
- for (u = 0; u < ctx->Const.MaxTextureUnits; u++) {
- if (ctx->Texture.Unit[u]._ReallyEnabled) {
- const struct gl_texture_object *obj = ctx->Texture.Unit[u]._Current;
- const struct gl_texture_image *texImage = obj->Image[0][obj->BaseLevel];
- const GLfloat invW0 = v0->win[3];
- const GLfloat invW1 = v1->win[3];
- const GLfloat s0 = v0->texcoord[u][0] * invW0;
- const GLfloat s1 = v1->texcoord[u][0] * invW1;
- const GLfloat t0 = v0->texcoord[u][1] * invW0;
- const GLfloat t1 = v1->texcoord[u][1] * invW1;
- const GLfloat r0 = v0->texcoord[u][2] * invW0;
- const GLfloat r1 = v1->texcoord[u][2] * invW1;
- const GLfloat q0 = v0->texcoord[u][3] * invW0;
- const GLfloat q1 = v1->texcoord[u][3] * invW1;
- compute_plane(line.x0, line.y0, line.x1, line.y1, s0, s1, line.sPlane[u]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, t0, t1, line.tPlane[u]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, r0, r1, line.uPlane[u]);
- compute_plane(line.x0, line.y0, line.x1, line.y1, q0, q1, line.vPlane[u]);
- line.texWidth[u] = (GLfloat) texImage->Width;
- line.texHeight[u] = (GLfloat) texImage->Height;
- }
- }
- }
-#endif
-
- tStart = tEnd = 0.0;
- inSegment = GL_FALSE;
- iLen = (GLint) line.len;
-
- if (ctx->Line.StippleFlag) {
- for (i = 0; i < iLen; i++) {
- const GLuint bit = (swrast->StippleCounter / ctx->Line.StippleFactor) & 0xf;
- if ((1 << bit) & ctx->Line.StipplePattern) {
- /* stipple bit is on */
- const GLfloat t = (GLfloat) i / (GLfloat) line.len;
- if (!inSegment) {
- /* start new segment */
- inSegment = GL_TRUE;
- tStart = t;
- }
- else {
- /* still in the segment, extend it */
- tEnd = t;
- }
- }
- else {
- /* stipple bit is off */
- if (inSegment && (tEnd > tStart)) {
- /* draw the segment */
- segment(ctx, &line, NAME(plot), tStart, tEnd);
- inSegment = GL_FALSE;
- }
- else {
- /* still between segments, do nothing */
- }
- }
- swrast->StippleCounter++;
- }
-
- if (inSegment) {
- /* draw the final segment of the line */
- segment(ctx, &line, NAME(plot), tStart, 1.0F);
- }
- }
- else {
- /* non-stippled */
- segment(ctx, &line, NAME(plot), 0.0, 1.0);
- }
-
-#if defined(DO_RGBA)
- _swrast_write_rgba_span(ctx, &(line.span));
-#else
- _swrast_write_index_span(ctx, &(line.span));
-#endif
-}
-
-
-
-
-#undef DO_Z
-#undef DO_FOG
-#undef DO_RGBA
-#undef DO_INDEX
-#undef DO_SPEC
-#undef DO_TEX
-#undef DO_MULTITEX
-#undef NAME
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 16:37:12 +0000