/* $Id: ss_vb.c,v 1.1.1.1 2002/10/22 13:06:38 alanh Exp $ */ /* * Mesa 3-D graphics library * Version: 4.0.3 * * Copyright (C) 1999-2002 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 */ #include "glheader.h" #include "colormac.h" #include "macros.h" #include "mem.h" #include "swrast/swrast.h" #include "tnl/t_context.h" #include "math/m_vector.h" #include "math/m_translate.h" #include "ss_context.h" #include "ss_vb.h" static void do_import( struct vertex_buffer *VB, struct gl_client_array *to, struct gl_client_array *from ) { GLuint count = VB->Count; if (!to->Ptr) { to->Ptr = ALIGN_MALLOC( VB->Size * 4 * sizeof(GLchan), 32 ); to->Type = CHAN_TYPE; } /* No need to transform the same value 3000 times. */ if (!from->StrideB) { to->StrideB = 0; count = 1; } else to->StrideB = 4 * sizeof(GLchan); _math_trans_4chan( (GLchan (*)[4]) to->Ptr, from->Ptr, from->StrideB, from->Type, from->Size, 0, count); } static void import_float_colors( GLcontext *ctx ) { struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; struct gl_client_array *to = &SWSETUP_CONTEXT(ctx)->ChanColor; do_import( VB, to, VB->ColorPtr[0] ); VB->ColorPtr[0] = to; } static void import_float_spec_colors( GLcontext *ctx ) { struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; struct gl_client_array *to = &SWSETUP_CONTEXT(ctx)->ChanSecondaryColor; do_import( VB, to, VB->SecondaryColorPtr[0] ); VB->SecondaryColorPtr[0] = to; } /* Provides a RasterSetup function which prebuilds vertices for the * software rasterizer. This is required for the triangle functions * in this module, but not the rest of the swrast module. */ #define COLOR 0x1 #define INDEX 0x2 #define TEX0 0x4 #define MULTITEX 0x8 #define SPEC 0x10 #define FOG 0x20 #define POINT 0x40 #define MAX_SETUPFUNC 0x80 static setup_func setup_tab[MAX_SETUPFUNC]; static interp_func interp_tab[MAX_SETUPFUNC]; static copy_pv_func copy_pv_tab[MAX_SETUPFUNC]; #define IND (0) #define TAG(x) x##_none #include "ss_vbtmp.h" #define IND (COLOR) #define TAG(x) x##_color #include "ss_vbtmp.h" #define IND (COLOR|SPEC) #define TAG(x) x##_color_spec #include "ss_vbtmp.h" #define IND (COLOR|FOG) #define TAG(x) x##_color_fog #include "ss_vbtmp.h" #define IND (COLOR|SPEC|FOG) #define TAG(x) x##_color_spec_fog #include "ss_vbtmp.h" #define IND (COLOR|TEX0) #define TAG(x) x##_color_tex0 #include "ss_vbtmp.h" #define IND (COLOR|TEX0|SPEC) #define TAG(x) x##_color_tex0_spec #include "ss_vbtmp.h" #define IND (COLOR|TEX0|FOG) #define TAG(x) x##_color_tex0_fog #include "ss_vbtmp.h" #define IND (COLOR|TEX0|SPEC|FOG) #define TAG(x) x##_color_tex0_spec_fog #include "ss_vbtmp.h" #define IND (COLOR|MULTITEX) #define TAG(x) x##_color_multitex #include "ss_vbtmp.h" #define IND (COLOR|MULTITEX|SPEC) #define TAG(x) x##_color_multitex_spec #include "ss_vbtmp.h" #define IND (COLOR|MULTITEX|FOG) #define TAG(x) x##_color_multitex_fog #include "ss_vbtmp.h" #define IND (COLOR|MULTITEX|SPEC|FOG) #define TAG(x) x##_color_multitex_spec_fog #include "ss_vbtmp.h" #define IND (COLOR|POINT) #define TAG(x) x##_color_point #include "ss_vbtmp.h" #define IND (COLOR|SPEC|POINT) #define TAG(x) x##_color_spec_point #include "ss_vbtmp.h" #define IND (COLOR|FOG|POINT) #define TAG(x) x##_color_fog_point #include "ss_vbtmp.h" #define IND (COLOR|SPEC|FOG|POINT) #define TAG(x) x##_color_spec_fog_point #include "ss_vbtmp.h" #define IND (COLOR|TEX0|POINT) #define TAG(x) x##_color_tex0_point #include "ss_vbtmp.h" #define IND (COLOR|TEX0|SPEC|POINT) #define TAG(x) x##_color_tex0_spec_point #include "ss_vbtmp.h" #define IND (COLOR|TEX0|FOG|POINT) #define TAG(x) x##_color_tex0_fog_point #include "ss_vbtmp.h" #define IND (COLOR|TEX0|SPEC|FOG|POINT) #define TAG(x) x##_color_tex0_spec_fog_point #include "ss_vbtmp.h" #define IND (COLOR|MULTITEX|POINT) #define TAG(x) x##_color_multitex_point #include "ss_vbtmp.h" #define IND (COLOR|MULTITEX|SPEC|POINT) #define TAG(x) x##_color_multitex_spec_point #include "ss_vbtmp.h" #define IND (COLOR|MULTITEX|FOG|POINT) #define TAG(x) x##_color_multitex_fog_point #include "ss_vbtmp.h" #define IND (COLOR|MULTITEX|SPEC|FOG|POINT) #define TAG(x) x##_color_multitex_spec_fog_point #include "ss_vbtmp.h" #define IND (INDEX) #define TAG(x) x##_index #include "ss_vbtmp.h" #define IND (INDEX|FOG) #define TAG(x) x##_index_fog #include "ss_vbtmp.h" #define IND (INDEX|POINT) #define TAG(x) x##_index_point #include "ss_vbtmp.h" #define IND (INDEX|FOG|POINT) #define TAG(x) x##_index_fog_point #include "ss_vbtmp.h" /*********************************************************************** * Additional setup and interp for back color and edgeflag. ***********************************************************************/ #define GET_COLOR(ptr, idx) (((GLchan (*)[4])((ptr)->Ptr))[idx]) static void interp_extras( GLcontext *ctx, GLfloat t, GLuint dst, GLuint out, GLuint in, GLboolean force_boundary ) { struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; if (VB->ColorPtr[1]) { INTERP_4CHAN( t, GET_COLOR(VB->ColorPtr[1], dst), GET_COLOR(VB->ColorPtr[1], out), GET_COLOR(VB->ColorPtr[1], in) ); if (VB->SecondaryColorPtr[1]) { INTERP_3CHAN( t, GET_COLOR(VB->SecondaryColorPtr[1], dst), GET_COLOR(VB->SecondaryColorPtr[1], out), GET_COLOR(VB->SecondaryColorPtr[1], in) ); } } else if (VB->IndexPtr[1]) { VB->IndexPtr[1]->data[dst] = (GLuint) (GLint) LINTERP( t, (GLfloat) VB->IndexPtr[1]->data[out], (GLfloat) VB->IndexPtr[1]->data[in] ); } if (VB->EdgeFlag) { VB->EdgeFlag[dst] = VB->EdgeFlag[out] || force_boundary; } interp_tab[SWSETUP_CONTEXT(ctx)->SetupIndex](ctx, t, dst, out, in, force_boundary); } static void copy_pv_extras( GLcontext *ctx, GLuint dst, GLuint src ) { struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; if (VB->ColorPtr[1]) { COPY_CHAN4( GET_COLOR(VB->ColorPtr[1], dst), GET_COLOR(VB->ColorPtr[1], src) ); if (VB->SecondaryColorPtr[1]) { COPY_3V( GET_COLOR(VB->SecondaryColorPtr[1], dst), GET_COLOR(VB->SecondaryColorPtr[1], src) ); } } else if (VB->IndexPtr[1]) { VB->IndexPtr[1]->data[dst] = VB->IndexPtr[1]->data[src]; } copy_pv_tab[SWSETUP_CONTEXT(ctx)->SetupIndex](ctx, dst, src); } /*********************************************************************** * Initialization ***********************************************************************/ static void emit_invalid( GLcontext *ctx, GLuint start, GLuint end, GLuint newinputs ) { fprintf(stderr, "swrast_setup: invalid setup function\n"); (void) (ctx && start && end && newinputs); } static void interp_invalid( GLcontext *ctx, GLfloat t, GLuint edst, GLuint eout, GLuint ein, GLboolean force_boundary ) { fprintf(stderr, "swrast_setup: invalid interp function\n"); (void) (ctx && t && edst && eout && ein && force_boundary); } static void copy_pv_invalid( GLcontext *ctx, GLuint edst, GLuint esrc ) { fprintf(stderr, "swrast_setup: invalid copy_pv function\n"); (void) (ctx && edst && esrc ); } static void init_standard( void ) { GLuint i; for (i = 0 ; i < Elements(setup_tab) ; i++) { setup_tab[i] = emit_invalid; interp_tab[i] = interp_invalid; copy_pv_tab[i] = copy_pv_invalid; } init_none(); init_color(); init_color_spec(); init_color_fog(); init_color_spec_fog(); init_color_tex0(); init_color_tex0_spec(); init_color_tex0_fog(); init_color_tex0_spec_fog(); init_color_multitex(); init_color_multitex_spec(); init_color_multitex_fog(); init_color_multitex_spec_fog(); init_color_point(); init_color_spec_point(); init_color_fog_point(); init_color_spec_fog_point(); init_color_tex0_point(); init_color_tex0_spec_point(); init_color_tex0_fog_point(); init_color_tex0_spec_fog_point(); init_color_multitex_point(); init_color_multitex_spec_point(); init_color_multitex_fog_point(); init_color_multitex_spec_fog_point(); init_index(); init_index_fog(); init_index_point(); init_index_fog_point(); } static void printSetupFlags(char *msg, GLuint flags ) { fprintf(stderr, "%s(%x): %s%s%s%s%s%s%s\n", msg, (int)flags, (flags & COLOR) ? "color, " : "", (flags & INDEX) ? "index, " : "", (flags & TEX0) ? "tex0, " : "", (flags & MULTITEX) ? "multitex, " : "", (flags & SPEC) ? "spec, " : "", (flags & FOG) ? "fog, " : "", (flags & POINT) ? "point, " : ""); } void _swsetup_choose_rastersetup_func(GLcontext *ctx) { SScontext *swsetup = SWSETUP_CONTEXT(ctx); TNLcontext *tnl = TNL_CONTEXT(ctx); int funcindex = 0; if (ctx->RenderMode == GL_RENDER) { if (ctx->Visual.rgbMode) { funcindex = COLOR; if (ctx->Texture._ReallyEnabled & ~TEXTURE0_ANY) funcindex |= MULTITEX; else if (ctx->Texture._ReallyEnabled & TEXTURE0_ANY) funcindex |= TEX0; if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) funcindex |= SPEC; } else { funcindex = INDEX; } if (ctx->Point._Attenuated) funcindex |= POINT; if (ctx->Fog.Enabled) funcindex |= FOG; } else if (ctx->RenderMode == GL_FEEDBACK) { if (ctx->Visual.rgbMode) funcindex = (COLOR | TEX0); /* is feedback color subject to fogging? */ else funcindex = INDEX; } else funcindex = 0; swsetup->SetupIndex = funcindex; tnl->Driver.Render.BuildVertices = setup_tab[funcindex]; if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) { tnl->Driver.Render.Interp = interp_extras; tnl->Driver.Render.CopyPV = copy_pv_extras; } else { tnl->Driver.Render.Interp = interp_tab[funcindex]; tnl->Driver.Render.CopyPV = copy_pv_tab[funcindex]; } ASSERT(tnl->Driver.Render.BuildVertices); ASSERT(tnl->Driver.Render.BuildVertices != emit_invalid); } void _swsetup_vb_init( GLcontext *ctx ) { (void) ctx; init_standard(); (void) printSetupFlags; }