diff options
Diffstat (limited to 'src/mesa/tnl_dd/imm/t_dd_imm_vbtmp.h')
-rw-r--r-- | src/mesa/tnl_dd/imm/t_dd_imm_vbtmp.h | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/src/mesa/tnl_dd/imm/t_dd_imm_vbtmp.h b/src/mesa/tnl_dd/imm/t_dd_imm_vbtmp.h new file mode 100644 index 0000000000..2f76553cff --- /dev/null +++ b/src/mesa/tnl_dd/imm/t_dd_imm_vbtmp.h @@ -0,0 +1,268 @@ + +/* + * 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 support for t_dd_imm_* tnl module using vertices + * as defined in t_dd_vertex.h. + * + * See t_dd_vbtmp.h for definitions of arguments to this file. + * Unfortunately it seems necessary to duplicate a lot of that code. + */ + +#ifndef LOCALVARS +#define LOCALVARS +#endif + + + +/* COPY_VERTEX_FROM_CURRENT in t_dd_imm_vapi.c + */ +static void TAG(emit_vfmt)( GLcontext *ctx, VERTEX *v ) +{ + LOCALVARS + ; + + /* This template assumes (like t_dd_vbtmp.h) that color is ubyte. + */ + if (DO_TEX0 || DO_TEX1 || !HAVE_TINY_VERTICES) + { + const GLubyte *col = GET_HARDWARE_COLOR(); + if (HAVE_RGBA_COLOR) { + v->v.ui[4] = *(GLuint *)&col; + } else { + v->v.color.blue = col[2]; + v->v.color.green = col[1]; + v->v.color.red = col[0]; + v->v.color.alpha = col[3]; + } + } + else { + if (HAVE_RGBA_COLOR) { + v->v.ui[3] = *(GLuint *)col; + } + else { + v->tv.color.blue = col[2]; + v->tv.color.green = col[1]; + v->tv.color.red = col[0]; + v->tv.color.alpha = col[3]; + } + } + + if (DO_TEX0) { + GLfloat *tc = ctx->Current.Texture[0]; + v->v.u0 = tc[0]; + v->v.v0 = tc[1]; + if (DO_PTEX) { + if (HAVE_PTEX_VERTICES) { + v->pv.q0 = tc[3]; + } + else { + float rhw = 1.0 / tc[3]; + v->v.w *= tc[3]; + v->v.u0 *= rhw; + v->v.v0 *= rhw; + } + } + } + if (DO_TEX1) { + GLfloat *tc = ctx->Current.Texture[1]; + if (DO_PTEX) { + v->pv.u1 = tc[0]; + v->pv.v1 = tc[1]; + v->pv.q1 = tc[3]; + } + else { + v->v.u1 = tc[0]; + v->v.v1 = tc[1]; + } + } + else if (DO_PTEX) { + *(GLuint *)&v->pv.q1 = 0; /* avoid culling on radeon */ + } + if (DO_TEX2) { + GLfloat *tc = ctx->Current.Texture[2]; + if (DO_PTEX) { + v->pv.u2 = tc[0]; + v->pv.v2 = tc[1]; + v->pv.q2 = tc[3]; + } + else { + v->v.u2 = tc[0]; + v->v.v2 = tc[1]; + } + } + if (DO_TEX3) { + GLfloat *tc = ctx->Current.Texture[3]; + if (DO_PTEX) { + v->pv.u3 = tc[0]; + v->pv.v3 = tc[1]; + v->pv.q3 = tc[3]; + } + else { + v->v.u3 = tc[0]; + v->v.v3 = tc[1]; + } + } +} + + + + +static void TAG(interp)( GLcontext *ctx, + GLfloat t, + TNL_VERTEX *dst, + TNL_VERTEX *in, + TNL_VERTEX *out ) +{ + LOCALVARS + const GLfloat *s = GET_VIEWPORT_MAT(); + GLfloat w; + + (void)s; + + if (HAVE_HW_DIVIDE) { + VIEWPORT_X( dst->v.v.x, dst->clip[0] ); + VIEWPORT_Y( dst->v.v.y, dst->clip[1] ); + VIEWPORT_Z( dst->v.v.z, dst->clip[2] ); + w = dstclip[3]; + } + else { + w = 1.0 / dst->clip[3]; + VIEWPORT_X( dst->v.v.x, dst->clip[0] * w ); + VIEWPORT_Y( dst->v.v.y, dst->clip[1] * w ); + VIEWPORT_Z( dst->v.v.z, dst->clip[2] * w ); + } + + if (HAVE_HW_DIVIDE || DO_TEX0) { + + dst->v.v.w = w; + + INTERP_UB( t, dst->v.ub4[4][0], out->v.ub4[4][0], in->v.ub4[4][0] ); + INTERP_UB( t, dst->v.ub4[4][1], out->v.ub4[4][1], in->v.ub4[4][1] ); + INTERP_UB( t, dst->v.ub4[4][2], out->v.ub4[4][2], in->v.ub4[4][2] ); + INTERP_UB( t, dst->v.ub4[4][3], out->v.ub4[4][3], in->v.ub4[4][3] ); + + if (DO_TEX0) { + if (DO_PTEX) { + if (HAVE_PTEX_VERTICES) { + INTERP_F( t, dst->v.pv.u0, out->v.pv.u0, in->v.pv.u0 ); + INTERP_F( t, dst->v.pv.v0, out->v.pv.v0, in->v.pv.v0 ); + INTERP_F( t, dst->v.pv.q0, out->v.pv.q0, in->v.pv.q0 ); + } else { + GLfloat wout = out->clip[3]; /* projected clip */ + GLfloat win = in->clip[3]; /* projected clip */ + GLfloat qout = out->v.pv.w / wout; + GLfloat qin = in->v.pv.w / win; + GLfloat qdst, rqdst; + + ASSERT( !HAVE_HW_DIVIDE ); /* assert win, wout projected clip */ + + INTERP_F( t, dst->v.v.u0, out->v.v.u0 * qout, in->v.v.u0 * qin ); + INTERP_F( t, dst->v.v.v0, out->v.v.v0 * qout, in->v.v.v0 * qin ); + INTERP_F( t, qdst, qout, qin ); + + rqdst = 1.0 / qdst; + dst->v.v.u0 *= rqdst; + dst->v.v.v0 *= rqdst; + dst->v.v.w *= rqdst; + } + } + else { + INTERP_F( t, dst->v.v.u0, out->v.v.u0, in->v.v.u0 ); + INTERP_F( t, dst->v.v.v0, out->v.v.v0, in->v.v.v0 ); + } + } + if (DO_TEX1) { + if (DO_PTEX) { + INTERP_F( t, dst->v.pv.u1, out->v.pv.u1, in->v.pv.u1 ); + INTERP_F( t, dst->v.pv.v1, out->v.pv.v1, in->v.pv.v1 ); + INTERP_F( t, dst->v.pv.q1, out->v.pv.q1, in->v.pv.q1 ); + } else { + INTERP_F( t, dst->v.v.u1, out->v.v.u1, in->v.v.u1 ); + INTERP_F( t, dst->v.v.v1, out->v.v.v1, in->v.v.v1 ); + } + } + else if (DO_PTEX) { + dst->v.pv.q0 = 0.0; /* must be a valid float on radeon */ + } + if (DO_TEX2) { + if (DO_PTEX) { + INTERP_F( t, dst->v.pv.u2, out->v.pv.u2, in->v.pv.u2 ); + INTERP_F( t, dst->v.pv.v2, out->v.pv.v2, in->v.pv.v2 ); + INTERP_F( t, dst->v.pv.q2, out->v.pv.q2, in->v.pv.q2 ); + } else { + INTERP_F( t, dst->v.v.u2, out->v.v.u2, in->v.v.u2 ); + INTERP_F( t, dst->v.v.v2, out->v.v.v2, in->v.v.v2 ); + } + } + if (DO_TEX3) { + if (DO_PTEX) { + INTERP_F( t, dst->v.pv.u3, out->v.pv.u3, in->v.pv.u3 ); + INTERP_F( t, dst->v.pv.v3, out->v.pv.v3, in->v.pv.v3 ); + INTERP_F( t, dst->v.pv.q3, out->v.pv.q3, in->v.pv.q3 ); + } else { + INTERP_F( t, dst->v.v.u3, out->v.v.u3, in->v.v.u3 ); + INTERP_F( t, dst->v.v.v3, out->v.v.v3, in->v.v.v3 ); + } + } + } else { + /* 4-dword vertex. Color is in v[3] and there is no oow coordinate. + */ + INTERP_UB( t, dst->v.ub4[3][0], out->v.ub4[3][0], in->v.ub4[3][0] ); + INTERP_UB( t, dst->v.ub4[3][1], out->v.ub4[3][1], in->v.ub4[3][1] ); + INTERP_UB( t, dst->v.ub4[3][2], out->v.ub4[3][2], in->v.ub4[3][2] ); + INTERP_UB( t, dst->v.ub4[3][3], out->v.ub4[3][3], in->v.ub4[3][3] ); + } +} + + +static __inline void TAG(copy_pv)( GLcontext *ctx, + TNL_VERTEX *dst, + TNL_VERTEX *src ) +{ + if (DO_TEX0 || DO_TEX1 || !HAVE_TINY_VERTICES) { + dst->v.v.ui[4] = src->v.v.ui[4]; + } + else { + dst->v.v.ui[3] = src->v.v.ui[3]; + } +} + + + +static void TAG(init)( void ) +{ + setup_tab[IND].emit = TAG(emit_vfmt); + setup_tab[IND].interp = TAG(interp_vfmt); +} + + +#undef IND +#undef TAG + + + |