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108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
/* ResidualVM - A 3D game interpreter
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*
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* ResidualVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the AUTHORS
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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/*
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* This file is based on, or a modified version of code from TinyGL (C) 1997-1998 Fabrice Bellard,
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* which is licensed under the zlib-license (see LICENSE).
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* It also has modifications by the ResidualVM-team, which are covered under the GPLv2 (or later).
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*/
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#define FORBIDDEN_SYMBOL_EXCEPTION_fprintf
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#define FORBIDDEN_SYMBOL_EXCEPTION_stderr
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#include "graphics/tinygl/zgl.h"
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void tglGetIntegerv(int pname, int *params) {
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TinyGL::GLContext *c = TinyGL::gl_get_context();
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switch (pname) {
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case TGL_VIEWPORT:
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params[0] = c->viewport.xmin;
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params[1] = c->viewport.ymin;
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params[2] = c->viewport.xsize;
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params[3] = c->viewport.ysize;
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break;
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case TGL_MAX_MODELVIEW_STACK_DEPTH:
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*params = MAX_MODELVIEW_STACK_DEPTH;
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break;
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case TGL_MAX_PROJECTION_STACK_DEPTH:
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*params = MAX_PROJECTION_STACK_DEPTH;
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break;
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case TGL_MAX_LIGHTS:
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*params = T_MAX_LIGHTS;
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break;
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case TGL_MAX_TEXTURE_SIZE:
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*params = c->_textureSize;
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break;
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case TGL_MAX_TEXTURE_STACK_DEPTH:
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*params = MAX_TEXTURE_STACK_DEPTH;
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break;
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case TGL_BLEND:
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*params = c->fb->isBlendingEnabled();
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break;
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case TGL_ALPHA_TEST:
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*params = c->fb->isAlphaTestEnabled();
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break;
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default:
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error("tglGet: option not implemented");
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break;
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}
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}
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void tglGetFloatv(int pname, float *v) {
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int i;
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int mnr = 0; // just a trick to return the correct matrix
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TinyGL::GLContext *c = TinyGL::gl_get_context();
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switch (pname) {
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case TGL_TEXTURE_MATRIX:
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mnr++;
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case TGL_PROJECTION_MATRIX:
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mnr++;
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case TGL_MODELVIEW_MATRIX: {
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float *p = &c->matrix_stack_ptr[mnr]->_m[0][0];
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for (i = 0; i < 4; i++) {
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*v++ = p[0];
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*v++ = p[4];
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*v++ = p[8];
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*v++ = p[12];
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p++;
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}
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}
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break;
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case TGL_LINE_WIDTH:
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*v = 1.0f;
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break;
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case TGL_LINE_WIDTH_RANGE:
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v[0] = v[1] = 1.0f;
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break;
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case TGL_POINT_SIZE:
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*v = 1.0f;
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break;
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case TGL_POINT_SIZE_RANGE:
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v[0] = v[1] = 1.0f;
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break;
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default:
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fprintf(stderr, "warning: unknown pname in glGetFloatv()\n");
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break;
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}
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}
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