+++ /dev/null
-
-/*
- * Mesa 3-D graphics library
- *
- * 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
- * THE AUTHORS OR COPYRIGHT HOLDERS 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 <keithw@vmware.com>
- */
-#include "math/m_translate.h"
-
-#if (HAVE_HW_VIEWPORT)
-#define UNVIEWPORT_VARS
-#define UNVIEWPORT_X(x) x
-#define UNVIEWPORT_Y(x) x
-#define UNVIEWPORT_Z(x) x
-#endif
-
-#ifndef LOCALVARS
-#define LOCALVARS
-#endif
-
-#ifndef CHECK_HW_DIVIDE
-#define CHECK_HW_DIVIDE 1
-#endif
-
-/* These don't need to be duplicated, but there's currently nowhere
- * really convenient to put them. Need to build some actual .o files in
- * this directory?
- */
-static void copy_pv_rgba4_spec5( struct gl_context *ctx, GLuint edst, GLuint esrc )
-{
- LOCALVARS
- GLubyte *verts = GET_VERTEX_STORE();
- GLuint size = GET_VERTEX_SIZE();
- GLuint *dst = (GLuint *)(verts + (edst * size));
- GLuint *src = (GLuint *)(verts + (esrc * size));
- dst[4] = src[4];
- dst[5] = src[5];
-}
-
-static void copy_pv_rgba4( struct gl_context *ctx, GLuint edst, GLuint esrc )
-{
- LOCALVARS
- GLubyte *verts = GET_VERTEX_STORE();
- GLuint size = GET_VERTEX_SIZE();
- GLuint *dst = (GLuint *)(verts + (edst * size));
- GLuint *src = (GLuint *)(verts + (esrc * size));
- dst[4] = src[4];
-}
-
-static void copy_pv_rgba3( struct gl_context *ctx, GLuint edst, GLuint esrc )
-{
- LOCALVARS
- GLubyte *verts = GET_VERTEX_STORE();
- GLuint size = GET_VERTEX_SIZE();
- GLuint *dst = (GLuint *)(verts + (edst * size));
- GLuint *src = (GLuint *)(verts + (esrc * size));
- dst[3] = src[3];
-}
-
-
-void TAG(translate_vertex)(struct gl_context *ctx,
- const VERTEX *src,
- SWvertex *dst)
-{
- LOCALVARS
- GLuint format = GET_VERTEX_FORMAT();
- GLfloat *s = ctx->Viewport._WindowMap.m;
- UNVIEWPORT_VARS;
-
- if (format == TINY_VERTEX_FORMAT) {
- if (HAVE_HW_VIEWPORT) {
- dst->attrib[VARYING_SLOT_POS][0] = s[0] * src->v.x + s[12];
- dst->attrib[VARYING_SLOT_POS][1] = s[5] * src->v.y + s[13];
- dst->attrib[VARYING_SLOT_POS][2] = s[10] * src->v.z + s[14];
- dst->attrib[VARYING_SLOT_POS][3] = 1.0;
- } else {
- dst->attrib[VARYING_SLOT_POS][0] = UNVIEWPORT_X( src->v.x );
- dst->attrib[VARYING_SLOT_POS][1] = UNVIEWPORT_Y( src->v.y );
- dst->attrib[VARYING_SLOT_POS][2] = UNVIEWPORT_Z( src->v.z );
- dst->attrib[VARYING_SLOT_POS][3] = 1.0;
- }
-
- dst->color[0] = src->tv.color.red;
- dst->color[1] = src->tv.color.green;
- dst->color[2] = src->tv.color.blue;
- dst->color[3] = src->tv.color.alpha;
- }
- else {
- if (HAVE_HW_VIEWPORT) {
- if (HAVE_HW_DIVIDE && CHECK_HW_DIVIDE) {
- GLfloat oow = 1.0 / src->v.w;
- dst->attrib[VARYING_SLOT_POS][0] = s[0] * src->v.x * oow + s[12];
- dst->attrib[VARYING_SLOT_POS][1] = s[5] * src->v.y * oow + s[13];
- dst->attrib[VARYING_SLOT_POS][2] = s[10] * src->v.z * oow + s[14];
- dst->attrib[VARYING_SLOT_POS][3] = oow;
- } else {
- dst->attrib[VARYING_SLOT_POS][0] = s[0] * src->v.x + s[12];
- dst->attrib[VARYING_SLOT_POS][1] = s[5] * src->v.y + s[13];
- dst->attrib[VARYING_SLOT_POS][2] = s[10] * src->v.z + s[14];
- dst->attrib[VARYING_SLOT_POS][3] = src->v.w;
- }
- } else {
- dst->attrib[VARYING_SLOT_POS][0] = UNVIEWPORT_X( src->v.x );
- dst->attrib[VARYING_SLOT_POS][1] = UNVIEWPORT_Y( src->v.y );
- dst->attrib[VARYING_SLOT_POS][2] = UNVIEWPORT_Z( src->v.z );
- dst->attrib[VARYING_SLOT_POS][3] = src->v.w;
- }
-
- dst->color[0] = src->v.color.red;
- dst->color[1] = src->v.color.green;
- dst->color[2] = src->v.color.blue;
- dst->color[3] = src->v.color.alpha;
-
- dst->attrib[VARYING_SLOT_COL1][0] = UBYTE_TO_FLOAT(src->v.specular.red);
- dst->attrib[VARYING_SLOT_COL1][1] = UBYTE_TO_FLOAT(src->v.specular.green);
- dst->attrib[VARYING_SLOT_COL1][2] = UBYTE_TO_FLOAT(src->v.specular.blue);
-
- dst->attrib[VARYING_SLOT_FOGC][0] = UBYTE_TO_FLOAT(src->v.specular.alpha);
-
- if (HAVE_PTEX_VERTICES &&
- ((HAVE_TEX2_VERTICES && format == PROJ_TEX3_VERTEX_FORMAT) ||
- (format == PROJ_TEX1_VERTEX_FORMAT))) {
-
- dst->attrib[VARYING_SLOT_TEX0][0] = src->pv.u0;
- dst->attrib[VARYING_SLOT_TEX0][1] = src->pv.v0;
- dst->attrib[VARYING_SLOT_TEX0][3] = src->pv.q0;
-
- dst->attrib[VARYING_SLOT_TEX1][0] = src->pv.u1;
- dst->attrib[VARYING_SLOT_TEX1][1] = src->pv.v1;
- dst->attrib[VARYING_SLOT_TEX1][3] = src->pv.q1;
-
- if (HAVE_TEX2_VERTICES) {
- dst->attrib[VARYING_SLOT_TEX2][0] = src->pv.u2;
- dst->attrib[VARYING_SLOT_TEX2][1] = src->pv.v2;
- dst->attrib[VARYING_SLOT_TEX2][3] = src->pv.q2;
- }
-
- if (HAVE_TEX3_VERTICES) {
- dst->attrib[VARYING_SLOT_TEX3][0] = src->pv.u3;
- dst->attrib[VARYING_SLOT_TEX3][1] = src->pv.v3;
- dst->attrib[VARYING_SLOT_TEX3][3] = src->pv.q3;
- }
- }
- else {
- dst->attrib[VARYING_SLOT_TEX0][0] = src->v.u0;
- dst->attrib[VARYING_SLOT_TEX0][1] = src->v.v0;
- dst->attrib[VARYING_SLOT_TEX0][3] = 1.0;
-
- dst->attrib[VARYING_SLOT_TEX1][0] = src->v.u1;
- dst->attrib[VARYING_SLOT_TEX1][1] = src->v.v1;
- dst->attrib[VARYING_SLOT_TEX1][3] = 1.0;
-
- if (HAVE_TEX2_VERTICES) {
- dst->attrib[VARYING_SLOT_TEX2][0] = src->v.u2;
- dst->attrib[VARYING_SLOT_TEX2][1] = src->v.v2;
- dst->attrib[VARYING_SLOT_TEX2][3] = 1.0;
- }
-
- if (HAVE_TEX3_VERTICES) {
- dst->attrib[VARYING_SLOT_TEX3][0] = src->v.u3;
- dst->attrib[VARYING_SLOT_TEX3][1] = src->v.v3;
- dst->attrib[VARYING_SLOT_TEX3][3] = 1.0;
- }
- }
- }
-
- dst->pointSize = ctx->Point.Size;
-}
-
-
-/* prototype to silence warning */
-void TAG(print_vertex)( struct gl_context *ctx, const VERTEX *v );
-
-
-void TAG(print_vertex)( struct gl_context *ctx, const VERTEX *v )
-{
- LOCALVARS
- GLuint format = GET_VERTEX_FORMAT();
-
- fprintf(stderr, "(%x) ", format);
-
- switch (format) {
-#if HAVE_TINY_VERTICES
- case TINY_VERTEX_FORMAT:
- fprintf(stderr, "xyz %.4f,%.4f,%.4f rgba %x:%x:%x:%x\n",
- v->v.x, v->v.y, v->v.z,
- v->tv.color.red,
- v->tv.color.green,
- v->tv.color.blue,
- v->tv.color.alpha);
- break;
-#endif
-#if HAVE_NOTEX_VERTICES
- case NOTEX_VERTEX_FORMAT:
- fprintf(stderr, "xyzw %.4f,%.4f,%.4f,%.4f rgba %x:%x:%x:%x spec %x:%x:%x:%x\n",
- v->v.x, v->v.y, v->v.z, v->v.w,
- v->v.color.red,
- v->v.color.green,
- v->v.color.blue,
- v->v.color.alpha,
- v->v.specular.red,
- v->v.specular.green,
- v->v.specular.blue,
- v->v.specular.alpha);
- break;
-#endif
-#if HAVE_TEX0_VERTICES
- case TEX0_VERTEX_FORMAT:
- fprintf(stderr, "xyzw %.4f,%.4f,%.4f,%.4f rgba %x:%x:%x:%x st %.4f,%.4f\n",
- v->v.x, v->v.y, v->v.z, v->v.w,
- v->v.color.red,
- v->v.color.green,
- v->v.color.blue,
- v->v.color.alpha,
- v->v.u0,
- v->v.v0);
- break;
-#endif
-#if HAVE_TEX1_VERTICES
- case TEX1_VERTEX_FORMAT:
- fprintf(stderr, "xyzw %.4f,%.4f,%.4f,%.4f rgba %x:%x:%x:%x st %.4f,%.4f st %.4f,%.4f\n",
- v->v.x, v->v.y, v->v.z, v->v.w,
- v->v.color.red,
- v->v.color.green,
- v->v.color.blue,
- v->v.color.alpha,
- v->v.u0,
- v->v.v0,
- v->v.u1,
- v->v.u2);
- break;
-#endif
-#if HAVE_PTEX_VERTICES
- case PROJ_TEX1_VERTEX_FORMAT:
- fprintf(stderr, "xyzw %.4f,%.4f,%.4f,%.4f rgba %x:%x:%x:%x stq %.4f,%.4f,%.4f stq %.4f,%.4f,%.4f\n",
- v->v.x, v->v.y, v->v.z, v->v.w,
- v->v.color.red,
- v->v.color.green,
- v->v.color.blue,
- v->v.color.alpha,
- v->pv.u0,
- v->pv.v0,
- v->pv.q0,
- v->pv.u1,
- v->pv.v1,
- v->pv.q1);
- break;
-#endif
- default:
- fprintf(stderr, "???\n");
- break;
- }
-
- fprintf(stderr, "\n");
-}
-
-
-
-/* Interpolate the elements of the VB not included in typical hardware
- * vertices.
- *
- * NOTE: All these arrays are guarenteed by tnl to be writeable and
- * have good stride.
- */
-#ifndef INTERP_QUALIFIER
-#define INTERP_QUALIFIER static
-#endif
-
-#define GET_COLOR(ptr, idx) ((ptr)->data[idx])
-
-
-INTERP_QUALIFIER void TAG(interp_extras)( struct gl_context *ctx,
- GLfloat t,
- GLuint dst, GLuint out, GLuint in,
- GLboolean force_boundary )
-{
- LOCALVARS
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
-
- if (VB->BackfaceColorPtr) {
- assert(VB->BackfaceColorPtr->stride == 4 * sizeof(GLfloat));
-
- INTERP_4F( t,
- GET_COLOR(VB->BackfaceColorPtr, dst),
- GET_COLOR(VB->BackfaceColorPtr, out),
- GET_COLOR(VB->BackfaceColorPtr, in) );
-
- if (VB->BackfaceSecondaryColorPtr) {
- INTERP_3F( t,
- GET_COLOR(VB->BackfaceSecondaryColorPtr, dst),
- GET_COLOR(VB->BackfaceSecondaryColorPtr, out),
- GET_COLOR(VB->BackfaceSecondaryColorPtr, in) );
- }
- }
-
- if (VB->EdgeFlag) {
- VB->EdgeFlag[dst] = VB->EdgeFlag[out] || force_boundary;
- }
-
- INTERP_VERTEX(ctx, t, dst, out, in, force_boundary);
-}
-
-INTERP_QUALIFIER void TAG(copy_pv_extras)( struct gl_context *ctx,
- GLuint dst, GLuint src )
-{
- LOCALVARS
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
-
- if (VB->BackfaceColorPtr) {
- COPY_4FV( GET_COLOR(VB->BackfaceColorPtr, dst),
- GET_COLOR(VB->BackfaceColorPtr, src) );
-
- if (VB->BackfaceSecondaryColorPtr) {
- COPY_4FV( GET_COLOR(VB->BackfaceSecondaryColorPtr, dst),
- GET_COLOR(VB->BackfaceSecondaryColorPtr, src) );
- }
- }
-
- COPY_PV_VERTEX(ctx, dst, src);
-}
-
-
-#undef INTERP_QUALIFIER
-#undef GET_COLOR
-
-#undef IND
-#undef TAG
projects / mesa.git / commitdiff