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-rw-r--r--nx-X11/extras/Mesa/src/mesa/tnl_dd/imm/t_dd_imm_vb.c204
1 files changed, 0 insertions, 204 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/tnl_dd/imm/t_dd_imm_vb.c b/nx-X11/extras/Mesa/src/mesa/tnl_dd/imm/t_dd_imm_vb.c
deleted file mode 100644
index 0c4462f55..000000000
--- a/nx-X11/extras/Mesa/src/mesa/tnl_dd/imm/t_dd_imm_vb.c
+++ /dev/null
@@ -1,204 +0,0 @@
-
-/*
- * Mesa 3-D graphics library
- * Version: 3.5
- *
- * Copyright (C) 1999-2001 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.
- *
- * Authors:
- * Keith Whitwell <keith_whitwell@yahoo.com>
- */
-
-/* Template to build clipping routines to support t_dd_imm_primtmp.h.
- *
- * The TAG(draw_line) and TAG(draw_triangle) routines are called in
- * clipping and fallback scenarios, and when the native hardware
- * primitive (eg polygons) is unavailable.
- */
-
-
-#define CLIP_DOTPROD(K, A, B, C, D) \
- (CLIP_X(K)*A + CLIP_Y(K)*B + \
- CLIP_Z(K)*C + CLIP_W(K)*D)
-
-#define POLY_CLIP( PLANE, A, B, C, D ) \
-do { \
- if (mask & PLANE) { \
- TNL_VERTEX **indata = inlist[in]; \
- TNL_VERTEX **outdata = inlist[in ^= 1]; \
- TNL_VERTEX *J = indata[0]; \
- GLfloat dpJ = CLIP_DOTPROD(J, A, B, C, D ); \
- GLuint outcount = 0; \
- GLuint i; \
- \
- indata[n] = indata[0]; /* prevent rotation of vertices */ \
- for (i = 1; i <= n; i++) { \
- TNL_VERTEX *I = indata[i]; \
- GLfloat dpI = CLIP_DOTPROD(idx, A, B, C, D ); \
- \
- if (!NEGATIVE(dpPrev)) { \
- outdata[outcount++] = J; \
- } \
- \
- if (DIFFERENT_SIGNS(dpI, dpJ)) { \
- TNL_VERTEX *O = verts++; \
- outdata[outcount++] = O; \
- if (NEGATIVE(dpI)) { \
- /* Going out of bounds. Avoid division by zero as we \
- * know dp != dpPrev from DIFFERENT_SIGNS, above. \
- */ \
- GLfloat t = dpI / (dpI - dpJ); \
- INTERP( ctx, t, O, I, J ); \
- } else { \
- /* Coming back in. \
- */ \
- GLfloat t = dpJ / (dpJ - dpI); \
- INTERP( ctx, t, O, J, I ); \
- } \
- } \
- \
- J = I; \
- dpJ = dpI; \
- } \
- \
- if (outcount < 3) \
- return; \
- \
- nr = outcount; \
- } \
-} while (0)
-
-
-#define LINE_CLIP(PLANE, A, B, C, D ) \
-do { \
- if (mask & PLANE) { \
- GLfloat dpI = CLIP_DOTPROD( I, A, B, C, D ); \
- GLfloat dpJ = CLIP_DOTPROD( J, A, B, C, D ); \
- \
- if (DIFFERENT_SIGNS(dpI, dpJ)) { \
- TNL_VERTEX *O = verts++; \
- if (NEGATIVE(dpJ)) { \
- GLfloat t = dpI / (dpI - dpJ); \
- INTERP( ctx, t, O, I, J ); \
- J = O; \
- } else { \
- GLfloat t = dpJ / (dpJ - dpI); \
- INTERP( ctx, t, O, J, I ); \
- I = O; \
- } \
- } \
- else if (NEGATIVE(dpI)) \
- return; \
- } \
-} while (0)
-
-
-
-/* Clip a line against the viewport and user clip planes.
- */
-static void TAG(clip_draw_line)( GLcontext *ctx,
- TNL_VERTEX *I,
- TNL_VERTEX *J,
- GLuint mask )
-{
- LOCAL_VARS;
- GET_INTERP_FUNC;
- TNL_VERTEX tmp[MAX_CLIPPED_VERTICES];
- TNL_VERTEX *verts = tmp;
- TNL_VERTEX *pv = J;
-
- LINE_CLIP( CLIP_RIGHT_BIT, -1, 0, 0, 1 );
- LINE_CLIP( CLIP_LEFT_BIT, 1, 0, 0, 1 );
- LINE_CLIP( CLIP_TOP_BIT, 0, -1, 0, 1 );
- LINE_CLIP( CLIP_BOTTOM_BIT, 0, 1, 0, 1 );
- LINE_CLIP( CLIP_FAR_BIT, 0, 0, -1, 1 );
- LINE_CLIP( CLIP_NEAR_BIT, 0, 0, 1, 1 );
-
- if ((ctx->_TriangleCaps & DD_FLATSHADE) && J != pv)
- COPY_PV( ctx, J, pv );
-
- DRAW_LINE( I, J );
-}
-
-
-/* Clip a triangle against the viewport and user clip planes.
- */
-static void TAG(clip_draw_triangle)( GLcontext *ctx,
- TNL_VERTEX *v0,
- TNL_VERTEX *v1,
- TNL_VERTEX *v2,
- GLuint mask )
-{
- LOCAL_VARS;
- GET_INTERP_FUNC;
- TNL_VERTEX tmp[MAX_CLIPPED_VERTICES];
- TNL_VERTEX *verts = tmp;
- TNL_VERTEX *(inlist[2][MAX_CLIPPED_VERTICES]);
- TNL_VERTEX **out;
- GLuint in = 0;
- GLuint n = 3;
- GLuint i;
-
- ASSIGN_3V(inlist, v2, v0, v1 ); /* pv rotated to slot zero */
-
- POLY_CLIP( CLIP_RIGHT_BIT, -1, 0, 0, 1 );
- POLY_CLIP( CLIP_LEFT_BIT, 1, 0, 0, 1 );
- POLY_CLIP( CLIP_TOP_BIT, 0, -1, 0, 1 );
- POLY_CLIP( CLIP_BOTTOM_BIT, 0, 1, 0, 1 );
- POLY_CLIP( CLIP_FAR_BIT, 0, 0, -1, 1 );
- POLY_CLIP( CLIP_NEAR_BIT, 0, 0, 1, 1 );
-
- if ((ctx->_TriangleCaps & DD_FLATSHADE) && v2 != inlist[0])
- COPY_PV( ctx, inlist[0], v2 );
-
- out = inlist[in];
- DRAW_POLYGON( out, n );
-}
-
-
-static __inline void TAG(draw_triangle)( GLcontext *ctx,
- TNL_VERTEX *v0,
- TNL_VERTEX *v1,
- TNL_VERTEX *v2 )
-{
- LOCAL_VARS;
- GLubyte ormask = (v0->mask | v1->mask | v2->mask);
-
- if ( !ormask ) {
- DRAW_TRI( v0, v1, v2 );
- } else if ( !(v0->mask & v1->mask & v2->mask) ) {
- TAG(clip_draw_triangle)( ctx, v0, v1, v2, ormask );
- }
-}
-
-static __inline void TAG(draw_line)( GLcontext *ctx,
- TNL_VERTEX *v0,
- TNL_VERTEX *v1 )
-{
- LOCAL_VARS;
- GLubyte ormask = (v0->mask | v1->mask);
-
- if ( !ormask ) {
- DRAW_LINE( v0, v1 );
- } else if ( !(v0->mask & v1->mask) ) {
- TAG(clip_draw_line)( ctx, v0, v1, ormask );
- }
-}
-
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