/* * Mesa 3-D graphics library * Version: 3.5 * * Copyright (C) 1999 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 */ static void TAG(rs)(GLcontext *ctx, GLuint start, GLuint end, GLuint newinputs ) { TNLcontext *tnl = TNL_CONTEXT(ctx); struct vertex_buffer *VB = &tnl->vb; SWvertex *v; GLfloat (*proj)[4]; /* projected clip coordinates */ GLfloat (*tc[MAX_TEXTURE_UNITS])[4]; GLchan (*color)[4]; GLchan (*spec)[4]; GLuint *index; GLfloat *fog; GLfloat *pointSize; GLuint tsz[MAX_TEXTURE_UNITS]; int i; GLfloat *m = ctx->Viewport._WindowMap.m; const GLfloat sx = m[0]; const GLfloat sy = m[5]; const GLfloat sz = m[10]; const GLfloat tx = m[12]; const GLfloat ty = m[13]; const GLfloat tz = m[14]; GLuint maxtex = 0; /* fprintf(stderr, "%s\n", __FUNCTION__); */ /* TODO: Get import_client_data to pad vectors out to 4 cleanly. */ if (VB->importable_data) VB->import_data( ctx, VB->importable_data & newinputs, (VB->ClipOrMask ? VEC_NOT_WRITEABLE|VEC_BAD_STRIDE : VEC_BAD_STRIDE)); if (IND & TEX0) { tc[0] = VB->TexCoordPtr[0]->data; tsz[0] = VB->TexCoordPtr[0]->size; } if (IND & MULTITEX) { for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++) { if (VB->TexCoordPtr[i]) { maxtex = i+1; tc[i] = VB->TexCoordPtr[i]->data; tsz[i] = VB->TexCoordPtr[i]->size; } else tc[i] = 0; } } /* Tie up some dangling pointers for flat/twoside code in ss_tritmp.h */ if ((ctx->_TriangleCaps & DD_SEPERATE_SPECULAR) == 0) { VB->SecondaryColorPtr[0] = VB->ColorPtr[0]; VB->SecondaryColorPtr[1] = VB->ColorPtr[1]; } proj = VB->ProjectedClipPtr->data; if (IND & FOG) fog = VB->FogCoordPtr->data; if (IND & COLOR) color = VB->ColorPtr[0]->data; if (IND & SPEC) spec = VB->SecondaryColorPtr[0]->data; if (IND & INDEX) index = VB->IndexPtr[0]->data; if (IND & POINT) pointSize = VB->PointSizePtr->data; v = &(SWSETUP_CONTEXT(ctx)->verts[start]); for (i=start; i < end; i++, v++) { if (VB->ClipMask[i] == 0) { v->win[0] = sx * proj[i][0] + tx; v->win[1] = sy * proj[i][1] + ty; v->win[2] = sz * proj[i][2] + tz; v->win[3] = proj[i][3]; if (IND & TEX0) COPY_CLEAN_4V( v->texcoord[0], tsz[0], tc[0][i] ); if (IND & MULTITEX) { GLuint u; for (u = 0 ; u < maxtex ; u++) if (tc[u]) COPY_CLEAN_4V( v->texcoord[u], tsz[u], tc[u][i] ); } if (IND & COLOR) COPY_4UBV(v->color, color[i]); if (IND & SPEC) COPY_4UBV(v->specular, spec[i]); if (IND & FOG) v->fog = fog[i]; if (IND & INDEX) v->index = index[i]; if (IND & POINT) v->pointSize = pointSize[i]; } } } #undef TAG #undef IND #undef SETUP_FLAGS