diff options
Diffstat (limited to 'xc/extras/Mesa/src/eval.c')
-rw-r--r-- | xc/extras/Mesa/src/eval.c | 523 |
1 files changed, 352 insertions, 171 deletions
diff --git a/xc/extras/Mesa/src/eval.c b/xc/extras/Mesa/src/eval.c index b4a83045b..0e7f32f72 100644 --- a/xc/extras/Mesa/src/eval.c +++ b/xc/extras/Mesa/src/eval.c @@ -1,10 +1,10 @@ -/* $Id: eval.c,v 1.3 1999/12/14 02:39:38 daryll Exp $ */ +/* $Id: eval.c,v 1.4 2000/01/30 00:27:01 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 3.1 + * Version: 3.3 * - * Copyright (C) 1999 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2000 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"), @@ -41,16 +41,11 @@ #ifdef PC_HEADER #include "all.h" #else -#ifndef XFree86Server -#include <math.h> -#include <stdlib.h> -#include <string.h> -#else -#include "GL/xf86glx.h" -#endif +#include "glheader.h" #include "context.h" #include "eval.h" #include "macros.h" +#include "mem.h" #include "mmath.h" #include "types.h" #include "vbcull.h" @@ -528,9 +523,9 @@ de_casteljau_surf(GLfloat *cn, GLfloat *out, GLfloat *du, GLfloat *dv, /* * Return the number of components per control point for any type of * evaluator. Return 0 if bad target. + * See table 5.1 in the OpenGL 1.2 spec. */ - -static GLint components( GLenum target ) +GLuint _mesa_evaluator_components( GLenum target ) { switch (target) { case GL_MAP1_VERTEX_3: return 3; @@ -568,12 +563,11 @@ static GLint components( GLenum target ) * Return: pointer to buffer of contiguous control points or NULL if out * of memory. */ -GLfloat *gl_copy_map_points1f( GLenum target, - GLint ustride, GLint uorder, +GLfloat *gl_copy_map_points1f( GLenum target, GLint ustride, GLint uorder, const GLfloat *points ) { GLfloat *buffer, *p; - GLint i, k, size = components(target); + GLint i, k, size = _mesa_evaluator_components(target); if (!points || size==0) { return NULL; @@ -594,12 +588,11 @@ GLfloat *gl_copy_map_points1f( GLenum target, /* * Same as above but convert doubles to floats. */ -GLfloat *gl_copy_map_points1d( GLenum target, - GLint ustride, GLint uorder, - const GLdouble *points ) +GLfloat *gl_copy_map_points1d( GLenum target, GLint ustride, GLint uorder, + const GLdouble *points ) { GLfloat *buffer, *p; - GLint i, k, size = components(target); + GLint i, k, size = _mesa_evaluator_components(target); if (!points || size==0) { return NULL; @@ -628,15 +621,15 @@ GLfloat *gl_copy_map_points1d( GLenum target, * of memory. */ GLfloat *gl_copy_map_points2f( GLenum target, - GLint ustride, GLint uorder, - GLint vstride, GLint vorder, - const GLfloat *points ) + GLint ustride, GLint uorder, + GLint vstride, GLint vorder, + const GLfloat *points ) { GLfloat *buffer, *p; GLint i, j, k, size, dsize, hsize; GLint uinc; - size = components(target); + size = _mesa_evaluator_components(target); if (!points || size==0) { return NULL; @@ -679,7 +672,7 @@ GLfloat *gl_copy_map_points2d(GLenum target, GLint i, j, k, size, hsize, dsize; GLint uinc; - size = components(target); + size = _mesa_evaluator_components(target); if (!points || size==0) { return NULL; @@ -709,6 +702,7 @@ GLfloat *gl_copy_map_points2d(GLenum target, } +#if 00 /* * This function is called by the display list deallocator function to * specify that a given set of control points are no longer needed. @@ -804,6 +798,7 @@ void gl_free_control_points( GLcontext* ctx, GLenum target, GLfloat *data ) } } +#endif @@ -813,154 +808,130 @@ void gl_free_control_points( GLcontext* ctx, GLenum target, GLfloat *data ) /* - * Note that the array of control points must be 'unpacked' at this time. - * Input: retain - if TRUE, this control point data is also in a display - * list and can't be freed until the list is freed. + * This does the work of glMap1[fd]. */ -void gl_Map1f( GLcontext* ctx, GLenum target, - GLfloat u1, GLfloat u2, GLint stride, - GLint order, const GLfloat *points, GLboolean retain ) +static void +map1(GLenum target, GLfloat u1, GLfloat u2, GLint ustride, + GLint uorder, const GLvoid *points, GLenum type ) { + GET_CURRENT_CONTEXT(ctx); GLint k; - - if (!points) { - gl_error( ctx, GL_OUT_OF_MEMORY, "glMap1f" ); - return; - } - - /* may be a new stride after copying control points */ - stride = components( target ); + GLfloat *pnts; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glMap1"); - if (u1==u2) { + assert(type == GL_FLOAT || type == GL_DOUBLE); + + if (u1 == u2) { gl_error( ctx, GL_INVALID_VALUE, "glMap1(u1,u2)" ); return; } - - if (order<1 || order>MAX_EVAL_ORDER) { + if (uorder < 1 || uorder > MAX_EVAL_ORDER) { gl_error( ctx, GL_INVALID_VALUE, "glMap1(order)" ); return; } + if (!points) { + gl_error( ctx, GL_INVALID_VALUE, "glMap1(points)" ); + return; + } - k = components( target ); - if (k==0) { + k = _mesa_evaluator_components( target ); + if (k == 0) { gl_error( ctx, GL_INVALID_ENUM, "glMap1(target)" ); } - if (stride < k) { + if (ustride < k) { gl_error( ctx, GL_INVALID_VALUE, "glMap1(stride)" ); return; } + /* make copy of the control points */ + if (type == GL_FLOAT) + pnts = gl_copy_map_points1f(target, ustride, uorder, (GLfloat*) points); + else + pnts = gl_copy_map_points1d(target, ustride, uorder, (GLdouble*) points); + switch (target) { case GL_MAP1_VERTEX_3: - ctx->EvalMap.Map1Vertex3.Order = order; + ctx->EvalMap.Map1Vertex3.Order = uorder; ctx->EvalMap.Map1Vertex3.u1 = u1; ctx->EvalMap.Map1Vertex3.u2 = u2; ctx->EvalMap.Map1Vertex3.du = 1.0 / (u2 - u1); - if (ctx->EvalMap.Map1Vertex3.Points - && !ctx->EvalMap.Map1Vertex3.Retain) { + if (ctx->EvalMap.Map1Vertex3.Points) FREE( ctx->EvalMap.Map1Vertex3.Points ); - } - ctx->EvalMap.Map1Vertex3.Points = (GLfloat *) points; - ctx->EvalMap.Map1Vertex3.Retain = retain; + ctx->EvalMap.Map1Vertex3.Points = pnts; break; case GL_MAP1_VERTEX_4: - ctx->EvalMap.Map1Vertex4.Order = order; + ctx->EvalMap.Map1Vertex4.Order = uorder; ctx->EvalMap.Map1Vertex4.u1 = u1; ctx->EvalMap.Map1Vertex4.u2 = u2; ctx->EvalMap.Map1Vertex4.du = 1.0 / (u2 - u1); - if (ctx->EvalMap.Map1Vertex4.Points - && !ctx->EvalMap.Map1Vertex4.Retain) { + if (ctx->EvalMap.Map1Vertex4.Points) FREE( ctx->EvalMap.Map1Vertex4.Points ); - } - ctx->EvalMap.Map1Vertex4.Points = (GLfloat *) points; - ctx->EvalMap.Map1Vertex4.Retain = retain; + ctx->EvalMap.Map1Vertex4.Points = pnts; break; case GL_MAP1_INDEX: - ctx->EvalMap.Map1Index.Order = order; + ctx->EvalMap.Map1Index.Order = uorder; ctx->EvalMap.Map1Index.u1 = u1; ctx->EvalMap.Map1Index.u2 = u2; ctx->EvalMap.Map1Index.du = 1.0 / (u2 - u1); - if (ctx->EvalMap.Map1Index.Points - && !ctx->EvalMap.Map1Index.Retain) { + if (ctx->EvalMap.Map1Index.Points) FREE( ctx->EvalMap.Map1Index.Points ); - } - ctx->EvalMap.Map1Index.Points = (GLfloat *) points; - ctx->EvalMap.Map1Index.Retain = retain; + ctx->EvalMap.Map1Index.Points = pnts; break; case GL_MAP1_COLOR_4: - ctx->EvalMap.Map1Color4.Order = order; + ctx->EvalMap.Map1Color4.Order = uorder; ctx->EvalMap.Map1Color4.u1 = u1; ctx->EvalMap.Map1Color4.u2 = u2; ctx->EvalMap.Map1Color4.du = 1.0 / (u2 - u1); - if (ctx->EvalMap.Map1Color4.Points - && !ctx->EvalMap.Map1Color4.Retain) { + if (ctx->EvalMap.Map1Color4.Points) FREE( ctx->EvalMap.Map1Color4.Points ); - } - ctx->EvalMap.Map1Color4.Points = (GLfloat *) points; - ctx->EvalMap.Map1Color4.Retain = retain; + ctx->EvalMap.Map1Color4.Points = pnts; break; case GL_MAP1_NORMAL: - ctx->EvalMap.Map1Normal.Order = order; + ctx->EvalMap.Map1Normal.Order = uorder; ctx->EvalMap.Map1Normal.u1 = u1; ctx->EvalMap.Map1Normal.u2 = u2; ctx->EvalMap.Map1Normal.du = 1.0 / (u2 - u1); - if (ctx->EvalMap.Map1Normal.Points - && !ctx->EvalMap.Map1Normal.Retain) { + if (ctx->EvalMap.Map1Normal.Points) FREE( ctx->EvalMap.Map1Normal.Points ); - } - ctx->EvalMap.Map1Normal.Points = (GLfloat *) points; - ctx->EvalMap.Map1Normal.Retain = retain; + ctx->EvalMap.Map1Normal.Points = pnts; break; case GL_MAP1_TEXTURE_COORD_1: - ctx->EvalMap.Map1Texture1.Order = order; + ctx->EvalMap.Map1Texture1.Order = uorder; ctx->EvalMap.Map1Texture1.u1 = u1; ctx->EvalMap.Map1Texture1.u2 = u2; ctx->EvalMap.Map1Texture1.du = 1.0 / (u2 - u1); - if (ctx->EvalMap.Map1Texture1.Points - && !ctx->EvalMap.Map1Texture1.Retain) { + if (ctx->EvalMap.Map1Texture1.Points) FREE( ctx->EvalMap.Map1Texture1.Points ); - } - ctx->EvalMap.Map1Texture1.Points = (GLfloat *) points; - ctx->EvalMap.Map1Texture1.Retain = retain; + ctx->EvalMap.Map1Texture1.Points = pnts; break; case GL_MAP1_TEXTURE_COORD_2: - ctx->EvalMap.Map1Texture2.Order = order; + ctx->EvalMap.Map1Texture2.Order = uorder; ctx->EvalMap.Map1Texture2.u1 = u1; ctx->EvalMap.Map1Texture2.u2 = u2; ctx->EvalMap.Map1Texture2.du = 1.0 / (u2 - u1); - if (ctx->EvalMap.Map1Texture2.Points - && !ctx->EvalMap.Map1Texture2.Retain) { + if (ctx->EvalMap.Map1Texture2.Points) FREE( ctx->EvalMap.Map1Texture2.Points ); - } - ctx->EvalMap.Map1Texture2.Points = (GLfloat *) points; - ctx->EvalMap.Map1Texture2.Retain = retain; + ctx->EvalMap.Map1Texture2.Points = pnts; break; case GL_MAP1_TEXTURE_COORD_3: - ctx->EvalMap.Map1Texture3.Order = order; + ctx->EvalMap.Map1Texture3.Order = uorder; ctx->EvalMap.Map1Texture3.u1 = u1; ctx->EvalMap.Map1Texture3.u2 = u2; ctx->EvalMap.Map1Texture3.du = 1.0 / (u2 - u1); - if (ctx->EvalMap.Map1Texture3.Points - && !ctx->EvalMap.Map1Texture3.Retain) { + if (ctx->EvalMap.Map1Texture3.Points) FREE( ctx->EvalMap.Map1Texture3.Points ); - } - ctx->EvalMap.Map1Texture3.Points = (GLfloat *) points; - ctx->EvalMap.Map1Texture3.Retain = retain; + ctx->EvalMap.Map1Texture3.Points = pnts; break; case GL_MAP1_TEXTURE_COORD_4: - ctx->EvalMap.Map1Texture4.Order = order; + ctx->EvalMap.Map1Texture4.Order = uorder; ctx->EvalMap.Map1Texture4.u1 = u1; ctx->EvalMap.Map1Texture4.u2 = u2; ctx->EvalMap.Map1Texture4.du = 1.0 / (u2 - u1); - if (ctx->EvalMap.Map1Texture4.Points - && !ctx->EvalMap.Map1Texture4.Retain) { + if (ctx->EvalMap.Map1Texture4.Points) FREE( ctx->EvalMap.Map1Texture4.Points ); - } - ctx->EvalMap.Map1Texture4.Points = (GLfloat *) points; - ctx->EvalMap.Map1Texture4.Retain = retain; + ctx->EvalMap.Map1Texture4.Points = pnts; break; default: gl_error( ctx, GL_INVALID_ENUM, "glMap1(target)" ); @@ -969,18 +940,30 @@ void gl_Map1f( GLcontext* ctx, GLenum target, +void +_mesa_Map1f( GLenum target, GLfloat u1, GLfloat u2, GLint stride, + GLint order, const GLfloat *points ) +{ + map1(target, u1, u2, stride, order, points, GL_FLOAT); +} -/* - * Note that the array of control points must be 'unpacked' at this time. - * Input: retain - if TRUE, this control point data is also in a display - * list and can't be freed until the list is freed. - */ -void gl_Map2f( GLcontext* ctx, GLenum target, - GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, - GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, - const GLfloat *points, GLboolean retain ) + +void +_mesa_Map1d( GLenum target, GLdouble u1, GLdouble u2, GLint stride, + GLint order, const GLdouble *points ) { + map1(target, u1, u2, stride, order, points, GL_DOUBLE); +} + + +static void +map2( GLenum target, GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, + GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, + const GLvoid *points, GLenum type ) +{ + GET_CURRENT_CONTEXT(ctx); GLint k; + GLfloat *pnts; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glMap2"); @@ -1004,7 +987,7 @@ void gl_Map2f( GLcontext* ctx, GLenum target, return; } - k = components( target ); + k = _mesa_evaluator_components( target ); if (k==0) { gl_error( ctx, GL_INVALID_ENUM, "glMap2(target)" ); } @@ -1018,6 +1001,14 @@ void gl_Map2f( GLcontext* ctx, GLenum target, return; } + /* make copy of the control points */ + if (type == GL_FLOAT) + pnts = gl_copy_map_points2f(target, ustride, uorder, + vstride, vorder, (GLfloat*) points); + else + pnts = gl_copy_map_points2d(target, ustride, uorder, + vstride, vorder, (GLdouble*) points); + switch (target) { case GL_MAP2_VERTEX_3: ctx->EvalMap.Map2Vertex3.Uorder = uorder; @@ -1028,12 +1019,9 @@ void gl_Map2f( GLcontext* ctx, GLenum target, ctx->EvalMap.Map2Vertex3.v1 = v1; ctx->EvalMap.Map2Vertex3.v2 = v2; ctx->EvalMap.Map2Vertex3.dv = 1.0 / (v2 - v1); - if (ctx->EvalMap.Map2Vertex3.Points - && !ctx->EvalMap.Map2Vertex3.Retain) { + if (ctx->EvalMap.Map2Vertex3.Points) FREE( ctx->EvalMap.Map2Vertex3.Points ); - } - ctx->EvalMap.Map2Vertex3.Retain = retain; - ctx->EvalMap.Map2Vertex3.Points = (GLfloat *) points; + ctx->EvalMap.Map2Vertex3.Points = pnts; break; case GL_MAP2_VERTEX_4: ctx->EvalMap.Map2Vertex4.Uorder = uorder; @@ -1044,12 +1032,9 @@ void gl_Map2f( GLcontext* ctx, GLenum target, ctx->EvalMap.Map2Vertex4.v1 = v1; ctx->EvalMap.Map2Vertex4.v2 = v2; ctx->EvalMap.Map2Vertex4.dv = 1.0 / (v2 - v1); - if (ctx->EvalMap.Map2Vertex4.Points - && !ctx->EvalMap.Map2Vertex4.Retain) { + if (ctx->EvalMap.Map2Vertex4.Points) FREE( ctx->EvalMap.Map2Vertex4.Points ); - } - ctx->EvalMap.Map2Vertex4.Points = (GLfloat *) points; - ctx->EvalMap.Map2Vertex4.Retain = retain; + ctx->EvalMap.Map2Vertex4.Points = pnts; break; case GL_MAP2_INDEX: ctx->EvalMap.Map2Index.Uorder = uorder; @@ -1060,12 +1045,9 @@ void gl_Map2f( GLcontext* ctx, GLenum target, ctx->EvalMap.Map2Index.v1 = v1; ctx->EvalMap.Map2Index.v2 = v2; ctx->EvalMap.Map2Index.dv = 1.0 / (v2 - v1); - if (ctx->EvalMap.Map2Index.Points - && !ctx->EvalMap.Map2Index.Retain) { + if (ctx->EvalMap.Map2Index.Points) FREE( ctx->EvalMap.Map2Index.Points ); - } - ctx->EvalMap.Map2Index.Retain = retain; - ctx->EvalMap.Map2Index.Points = (GLfloat *) points; + ctx->EvalMap.Map2Index.Points = pnts; break; case GL_MAP2_COLOR_4: ctx->EvalMap.Map2Color4.Uorder = uorder; @@ -1076,12 +1058,9 @@ void gl_Map2f( GLcontext* ctx, GLenum target, ctx->EvalMap.Map2Color4.v1 = v1; ctx->EvalMap.Map2Color4.v2 = v2; ctx->EvalMap.Map2Color4.dv = 1.0 / (v2 - v1); - if (ctx->EvalMap.Map2Color4.Points - && !ctx->EvalMap.Map2Color4.Retain) { + if (ctx->EvalMap.Map2Color4.Points) FREE( ctx->EvalMap.Map2Color4.Points ); - } - ctx->EvalMap.Map2Color4.Retain = retain; - ctx->EvalMap.Map2Color4.Points = (GLfloat *) points; + ctx->EvalMap.Map2Color4.Points = pnts; break; case GL_MAP2_NORMAL: ctx->EvalMap.Map2Normal.Uorder = uorder; @@ -1092,12 +1071,9 @@ void gl_Map2f( GLcontext* ctx, GLenum target, ctx->EvalMap.Map2Normal.v1 = v1; ctx->EvalMap.Map2Normal.v2 = v2; ctx->EvalMap.Map2Normal.dv = 1.0 / (v2 - v1); - if (ctx->EvalMap.Map2Normal.Points - && !ctx->EvalMap.Map2Normal.Retain) { + if (ctx->EvalMap.Map2Normal.Points) FREE( ctx->EvalMap.Map2Normal.Points ); - } - ctx->EvalMap.Map2Normal.Retain = retain; - ctx->EvalMap.Map2Normal.Points = (GLfloat *) points; + ctx->EvalMap.Map2Normal.Points = pnts; break; case GL_MAP2_TEXTURE_COORD_1: ctx->EvalMap.Map2Texture1.Uorder = uorder; @@ -1108,12 +1084,9 @@ void gl_Map2f( GLcontext* ctx, GLenum target, ctx->EvalMap.Map2Texture1.v1 = v1; ctx->EvalMap.Map2Texture1.v2 = v2; ctx->EvalMap.Map2Texture1.dv = 1.0 / (v2 - v1); - if (ctx->EvalMap.Map2Texture1.Points - && !ctx->EvalMap.Map2Texture1.Retain) { + if (ctx->EvalMap.Map2Texture1.Points) FREE( ctx->EvalMap.Map2Texture1.Points ); - } - ctx->EvalMap.Map2Texture1.Retain = retain; - ctx->EvalMap.Map2Texture1.Points = (GLfloat *) points; + ctx->EvalMap.Map2Texture1.Points = pnts; break; case GL_MAP2_TEXTURE_COORD_2: ctx->EvalMap.Map2Texture2.Uorder = uorder; @@ -1124,12 +1097,9 @@ void gl_Map2f( GLcontext* ctx, GLenum target, ctx->EvalMap.Map2Texture2.v1 = v1; ctx->EvalMap.Map2Texture2.v2 = v2; ctx->EvalMap.Map2Texture2.dv = 1.0 / (v2 - v1); - if (ctx->EvalMap.Map2Texture2.Points - && !ctx->EvalMap.Map2Texture2.Retain) { + if (ctx->EvalMap.Map2Texture2.Points) FREE( ctx->EvalMap.Map2Texture2.Points ); - } - ctx->EvalMap.Map2Texture2.Retain = retain; - ctx->EvalMap.Map2Texture2.Points = (GLfloat *) points; + ctx->EvalMap.Map2Texture2.Points = pnts; break; case GL_MAP2_TEXTURE_COORD_3: ctx->EvalMap.Map2Texture3.Uorder = uorder; @@ -1140,12 +1110,9 @@ void gl_Map2f( GLcontext* ctx, GLenum target, ctx->EvalMap.Map2Texture3.v1 = v1; ctx->EvalMap.Map2Texture3.v2 = v2; ctx->EvalMap.Map2Texture3.dv = 1.0 / (v2 - v1); - if (ctx->EvalMap.Map2Texture3.Points - && !ctx->EvalMap.Map2Texture3.Retain) { + if (ctx->EvalMap.Map2Texture3.Points) FREE( ctx->EvalMap.Map2Texture3.Points ); - } - ctx->EvalMap.Map2Texture3.Retain = retain; - ctx->EvalMap.Map2Texture3.Points = (GLfloat *) points; + ctx->EvalMap.Map2Texture3.Points = pnts; break; case GL_MAP2_TEXTURE_COORD_4: ctx->EvalMap.Map2Texture4.Uorder = uorder; @@ -1156,12 +1123,9 @@ void gl_Map2f( GLcontext* ctx, GLenum target, ctx->EvalMap.Map2Texture4.v1 = v1; ctx->EvalMap.Map2Texture4.v2 = v2; ctx->EvalMap.Map2Texture4.dv = 1.0 / (v2 - v1); - if (ctx->EvalMap.Map2Texture4.Points - && !ctx->EvalMap.Map2Texture4.Retain) { + if (ctx->EvalMap.Map2Texture4.Points) FREE( ctx->EvalMap.Map2Texture4.Points ); - } - ctx->EvalMap.Map2Texture4.Retain = retain; - ctx->EvalMap.Map2Texture4.Points = (GLfloat *) points; + ctx->EvalMap.Map2Texture4.Points = pnts; break; default: gl_error( ctx, GL_INVALID_ENUM, "glMap2(target)" ); @@ -1169,11 +1133,33 @@ void gl_Map2f( GLcontext* ctx, GLenum target, } - +void +_mesa_Map2f( GLenum target, + GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, + GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, + const GLfloat *points) +{ + map2(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, + points, GL_FLOAT); +} -void gl_GetMapdv( GLcontext* ctx, GLenum target, GLenum query, GLdouble *v ) +void +_mesa_Map2d( GLenum target, + GLdouble u1, GLdouble u2, GLint ustride, GLint uorder, + GLdouble v1, GLdouble v2, GLint vstride, GLint vorder, + const GLdouble *points ) { + map2(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, + points, GL_DOUBLE); +} + + + +void +_mesa_GetMapdv( GLenum target, GLenum query, GLdouble *v ) +{ + GET_CURRENT_CONTEXT(ctx); GLint i, n; GLfloat *data; @@ -1443,8 +1429,10 @@ void gl_GetMapdv( GLcontext* ctx, GLenum target, GLenum query, GLdouble *v ) } -void gl_GetMapfv( GLcontext* ctx, GLenum target, GLenum query, GLfloat *v ) +void +_mesa_GetMapfv( GLenum target, GLenum query, GLfloat *v ) { + GET_CURRENT_CONTEXT(ctx); GLint i, n; GLfloat *data; @@ -1714,8 +1702,10 @@ void gl_GetMapfv( GLcontext* ctx, GLenum target, GLenum query, GLfloat *v ) } -void gl_GetMapiv( GLcontext* ctx, GLenum target, GLenum query, GLint *v ) +void +_mesa_GetMapiv( GLenum target, GLenum query, GLint *v ) { + GET_CURRENT_CONTEXT(ctx); GLuint i, n; GLfloat *data; @@ -2613,8 +2603,10 @@ void gl_eval_vb( struct vertex_buffer *VB ) } -void gl_MapGrid1f( GLcontext* ctx, GLint un, GLfloat u1, GLfloat u2 ) +void +_mesa_MapGrid1f( GLint un, GLfloat u1, GLfloat u2 ) { + GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glMapGrid1f"); if (un<1) { @@ -2628,9 +2620,18 @@ void gl_MapGrid1f( GLcontext* ctx, GLint un, GLfloat u1, GLfloat u2 ) } -void gl_MapGrid2f( GLcontext* ctx, GLint un, GLfloat u1, GLfloat u2, - GLint vn, GLfloat v1, GLfloat v2 ) +void +_mesa_MapGrid1d( GLint un, GLdouble u1, GLdouble u2 ) +{ + _mesa_MapGrid1f( un, u1, u2 ); +} + + +void +_mesa_MapGrid2f( GLint un, GLfloat u1, GLfloat u2, + GLint vn, GLfloat v1, GLfloat v2 ) { + GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glMapGrid2f"); if (un<1) { gl_error( ctx, GL_INVALID_VALUE, "glMapGrid2f(un)" ); @@ -2651,9 +2652,187 @@ void gl_MapGrid2f( GLcontext* ctx, GLint un, GLfloat u1, GLfloat u2, } +void +_mesa_MapGrid2d( GLint un, GLdouble u1, GLdouble u2, + GLint vn, GLdouble v1, GLdouble v2 ) +{ + _mesa_MapGrid2f( un, u1, u2, vn, v1, v2 ); +} + + + + +/* KW: If are compiling, we don't know whether eval will produce a + * vertex when it is run in the future. If this is pure immediate + * mode, eval is a noop if neither vertex map is enabled. + * + * Thus we need to have a check in the display list code or + * elsewhere for eval(1,2) vertices in the case where + * map(1,2)_vertex is disabled, and to purge those vertices from + * the vb. This is currently done + * via modifications to the cull_vb and render_vb operations, and + * by using the existing cullmask mechanism for all other operations. + */ + + +/* KW: Because the eval values don't become 'current', fixup will flow + * through these vertices, and then evaluation will write on top + * of the fixup results. + * + * This is a little inefficient, but at least it is correct. This + * could be short-circuited in the case where all vertices are + * eval-vertices, or more generally by a cullmask in fixup. + * + * Note: using Obj to hold eval coord data. This data is actually + * transformed if eval is disabled. But disabling eval & sending + * eval coords is stupid, right? + */ + + +#define EVALCOORD1(IM, x) \ +{ \ + GLuint count = IM->Count++; \ + IM->Flag[count] |= VERT_EVAL_C1; \ + ASSIGN_4V(IM->Obj[count], x, 0, 0, 1); \ + if (count == VB_MAX-1) \ + IM->maybe_transform_vb( IM ); \ +} + +#define EVALCOORD2(IM, x, y) \ +{ \ + GLuint count = IM->Count++; \ + IM->Flag[count] |= VERT_EVAL_C2; \ + ASSIGN_4V(IM->Obj[count], x, y, 0, 1); \ + if (count == VB_MAX-1) \ + IM->maybe_transform_vb( IM ); \ +} + +#define EVALPOINT1(IM, x) \ +{ \ + GLuint count = IM->Count++; \ + IM->Flag[count] |= VERT_EVAL_P1; \ + ASSIGN_4V(IM->Obj[count], x, 0, 0, 1); \ + if (count == VB_MAX-1) \ + IM->maybe_transform_vb( IM ); \ +} + +#define EVALPOINT2(IM, x, y) \ +{ \ + GLuint count = IM->Count++; \ + IM->Flag[count] |= VERT_EVAL_P2; \ + ASSIGN_4V(IM->Obj[count], x, y, 0, 1); \ + if (count == VB_MAX-1) \ + IM->maybe_transform_vb( IM ); \ +} + + +/* Lame internal function: + */ +static void +eval_coord1f( GLcontext *CC, GLfloat u ) +{ + struct immediate *i = CC->input; + EVALCOORD1( i, u ); +} + + +void +_mesa_EvalCoord1d( GLdouble u ) +{ + GET_IMMEDIATE; + EVALCOORD1( IM, (GLfloat) u ); +} + + +void +_mesa_EvalCoord1f( GLfloat u ) +{ + GET_IMMEDIATE; + EVALCOORD1( IM, u ); +} + + +void +_mesa_EvalCoord1dv( const GLdouble *u ) +{ + GET_IMMEDIATE; + EVALCOORD1( IM, (GLfloat) *u ); +} + + +void +_mesa_EvalCoord1fv( const GLfloat *u ) +{ + GET_IMMEDIATE; + EVALCOORD1( IM, (GLfloat) *u ); +} + -void gl_EvalMesh1( GLcontext* ctx, GLenum mode, GLint i1, GLint i2 ) +void +_mesa_EvalCoord2d( GLdouble u, GLdouble v ) { + GET_IMMEDIATE; + EVALCOORD2( IM, (GLfloat) u, (GLfloat) v ); +} + + +void +_mesa_EvalCoord2f( GLfloat u, GLfloat v ) +{ + GET_IMMEDIATE; + EVALCOORD2( IM, u, v ); +} + + +/* Lame internal function: + */ +static void +eval_coord2f( GLcontext *CC, GLfloat u, GLfloat v ) +{ + struct immediate *i = CC->input; + EVALCOORD2( i, u, v ); +} + + +void +_mesa_EvalCoord2dv( const GLdouble *u ) +{ + GET_IMMEDIATE; + EVALCOORD2( IM, (GLfloat) u[0], (GLfloat) u[1] ); +} + + +void +_mesa_EvalCoord2fv( const GLfloat *u ) +{ + GET_IMMEDIATE; + EVALCOORD2( IM, u[0], u[1] ); +} + + +void +_mesa_EvalPoint1( GLint i ) +{ + GET_IMMEDIATE; + EVALPOINT1( IM, i ); +} + + +void +_mesa_EvalPoint2( GLint i, GLint j ) +{ + GET_IMMEDIATE; + EVALPOINT2( IM, i, j ); +} + + + + + +void +_mesa_EvalMesh1( GLenum mode, GLint i1, GLint i2 ) +{ + GET_CURRENT_CONTEXT(ctx); GLint i; GLfloat u, du; GLenum prim; @@ -2686,18 +2865,17 @@ void gl_EvalMesh1( GLcontext* ctx, GLenum mode, GLint i1, GLint i2 ) gl_Begin( ctx, prim ); for (i=i1;i<=i2;i++,u+=du) { - gl_EvalCoord1f( ctx, u ); + eval_coord1f( ctx, u ); } gl_End(ctx); } -void gl_EvalMesh2( GLcontext* ctx, - GLenum mode, - GLint i1, GLint i2, - GLint j1, GLint j2 ) +void +_mesa_EvalMesh2( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 ) { + GET_CURRENT_CONTEXT(ctx); GLint i, j; GLfloat u, du, v, dv, v1, u1; @@ -2720,7 +2898,7 @@ void gl_EvalMesh2( GLcontext* ctx, gl_Begin( ctx, GL_POINTS ); for (v=v1,j=j1;j<=j2;j++,v+=dv) { for (u=u1,i=i1;i<=i2;i++,u+=du) { - gl_EvalCoord2f( ctx, u, v ); + eval_coord2f( ctx, u, v ); } } gl_End(ctx); @@ -2729,14 +2907,14 @@ void gl_EvalMesh2( GLcontext* ctx, for (v=v1,j=j1;j<=j2;j++,v+=dv) { gl_Begin( ctx, GL_LINE_STRIP ); for (u=u1,i=i1;i<=i2;i++,u+=du) { - gl_EvalCoord2f( ctx, u, v ); + eval_coord2f( ctx, u, v ); } gl_End(ctx); } for (u=u1,i=i1;i<=i2;i++,u+=du) { gl_Begin( ctx, GL_LINE_STRIP ); for (v=v1,j=j1;j<=j2;j++,v+=dv) { - gl_EvalCoord2f( ctx, u, v ); + eval_coord2f( ctx, u, v ); } gl_End(ctx); } @@ -2747,8 +2925,8 @@ void gl_EvalMesh2( GLcontext* ctx, /* can't be guaranteed to be coplanar! */ gl_Begin( ctx, GL_TRIANGLE_STRIP ); for (u=u1,i=i1;i<=i2;i++,u+=du) { - gl_EvalCoord2f( ctx, u, v ); - gl_EvalCoord2f( ctx, u, v+dv ); + eval_coord2f( ctx, u, v ); + eval_coord2f( ctx, u, v+dv ); } gl_End(ctx); } @@ -2758,3 +2936,6 @@ void gl_EvalMesh2( GLcontext* ctx, return; } } + + + |