llgldbg.cpp
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上传日期:2021-03-01
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- /**
- * @file llgldbg.cpp
- * @brief Definitions for OpenGL debugging support
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- // This file sets some global GL parameters, and implements some
- // useful functions for GL operations.
- #include "linden_common.h"
- #include "llgldbg.h"
- #include "llgl.h"
- #include "llglheaders.h"
- //------------------------------------------------------------------------
- // cmstr()
- //------------------------------------------------------------------------
- const char *cmstr(int i)
- {
- switch( i )
- {
- case GL_EMISSION: return "GL_EMISSION";
- case GL_AMBIENT: return "GL_AMBIENT";
- case GL_DIFFUSE: return "GL_DIFFUSE";
- case GL_SPECULAR: return "GL_SPECULAR";
- case GL_AMBIENT_AND_DIFFUSE: return "GL_AMBIENT_AND_DIFFUSE";
- }
- return "UNKNOWN";
- }
- //------------------------------------------------------------------------
- // facestr()
- //------------------------------------------------------------------------
- const char *facestr(int i)
- {
- switch( i )
- {
- case GL_FRONT: return "GL_FRONT";
- case GL_BACK: return "GL_BACK";
- case GL_FRONT_AND_BACK: return "GL_FRONT_AND_BACK";
- }
- return "UNKNOWN";
- }
- //------------------------------------------------------------------------
- // boolstr()
- //------------------------------------------------------------------------
- const char *boolstr(int b)
- {
- return b ? "GL_TRUE" : "GL_FALSE";
- }
- //------------------------------------------------------------------------
- // fv4()
- //------------------------------------------------------------------------
- const char *fv4(F32 *f)
- {
- static char str[128];
- sprintf(str, "%8.3f %8.3f %8.3f %8.3f", f[0], f[1], f[2], f[3]);
- return str;
- }
- //------------------------------------------------------------------------
- // fv3()
- //------------------------------------------------------------------------
- const char *fv3(F32 *f)
- {
- static char str[128]; /* Flawfinder: ignore */
- snprintf(str, sizeof(str), "%8.3f, %8.3f, %8.3f", f[0], f[1], f[2]); /* Flawfinder: ignore */
- return str;
- }
- //------------------------------------------------------------------------
- // fv1()
- //------------------------------------------------------------------------
- const char *fv1(F32 *f)
- {
- static char str[128]; /* Flawfinder: ignore */
- snprintf(str, sizeof(str), "%8.3f", f[0]); /* Flawfinder: ignore */
- return str;
- }
- //------------------------------------------------------------------------
- // llgl_dump()
- //------------------------------------------------------------------------
- void llgl_dump()
- {
- int i;
- F32 fv[16];
- GLboolean b;
- llinfos << "==========================" << llendl;
- llinfos << "OpenGL State" << llendl;
- llinfos << "==========================" << llendl;
- llinfos << "-----------------------------------" << llendl;
- llinfos << "Current Values" << llendl;
- llinfos << "-----------------------------------" << llendl;
- glGetFloatv(GL_CURRENT_COLOR, fv);
- llinfos << "GL_CURRENT_COLOR : " << fv4(fv) << llendl;
- glGetFloatv(GL_CURRENT_NORMAL, fv);
- llinfos << "GL_CURRENT_NORMAL : " << fv3(fv) << llendl;
- llinfos << "-----------------------------------" << llendl;
- llinfos << "Lighting" << llendl;
- llinfos << "-----------------------------------" << llendl;
- llinfos << "GL_LIGHTING : " << boolstr(glIsEnabled(GL_LIGHTING)) << llendl;
- llinfos << "GL_COLOR_MATERIAL : " << boolstr(glIsEnabled(GL_COLOR_MATERIAL)) << llendl;
- glGetIntegerv(GL_COLOR_MATERIAL_PARAMETER, (GLint*)&i);
- llinfos << "GL_COLOR_MATERIAL_PARAMETER: " << cmstr(i) << llendl;
- glGetIntegerv(GL_COLOR_MATERIAL_FACE, (GLint*)&i);
- llinfos << "GL_COLOR_MATERIAL_FACE : " << facestr(i) << llendl;
- fv[0] = fv[1] = fv[2] = fv[3] = 12345.6789f;
- glGetMaterialfv(GL_FRONT, GL_AMBIENT, fv);
- llinfos << "GL_AMBIENT material : " << fv4(fv) << llendl;
- fv[0] = fv[1] = fv[2] = fv[3] = 12345.6789f;
- glGetMaterialfv(GL_FRONT, GL_DIFFUSE, fv);
- llinfos << "GL_DIFFUSE material : " << fv4(fv) << llendl;
- fv[0] = fv[1] = fv[2] = fv[3] = 12345.6789f;
- glGetMaterialfv(GL_FRONT, GL_SPECULAR, fv);
- llinfos << "GL_SPECULAR material : " << fv4(fv) << llendl;
- fv[0] = fv[1] = fv[2] = fv[3] = 12345.6789f;
- glGetMaterialfv(GL_FRONT, GL_EMISSION, fv);
- llinfos << "GL_EMISSION material : " << fv4(fv) << llendl;
- fv[0] = fv[1] = fv[2] = fv[3] = 12345.6789f;
- glGetMaterialfv(GL_FRONT, GL_SHININESS, fv);
- llinfos << "GL_SHININESS material : " << fv1(fv) << llendl;
- fv[0] = fv[1] = fv[2] = fv[3] = 12345.6789f;
- glGetFloatv(GL_LIGHT_MODEL_AMBIENT, fv);
- llinfos << "GL_LIGHT_MODEL_AMBIENT : " << fv4(fv) << llendl;
- glGetBooleanv(GL_LIGHT_MODEL_LOCAL_VIEWER, &b);
- llinfos << "GL_LIGHT_MODEL_LOCAL_VIEWER: " << boolstr(b) << llendl;
- glGetBooleanv(GL_LIGHT_MODEL_TWO_SIDE, &b);
- llinfos << "GL_LIGHT_MODEL_TWO_SIDE : " << boolstr(b) << llendl;
- for (int l=0; l<8; l++)
- {
- b = glIsEnabled(GL_LIGHT0+l);
- llinfos << "GL_LIGHT" << l << " : " << boolstr(b) << llendl;
- if (!b)
- continue;
- glGetLightfv(GL_LIGHT0+l, GL_AMBIENT, fv);
- llinfos << " GL_AMBIENT light : " << fv4(fv) << llendl;
- glGetLightfv(GL_LIGHT0+l, GL_DIFFUSE, fv);
- llinfos << " GL_DIFFUSE light : " << fv4(fv) << llendl;
- glGetLightfv(GL_LIGHT0+l, GL_SPECULAR, fv);
- llinfos << " GL_SPECULAR light : " << fv4(fv) << llendl;
- glGetLightfv(GL_LIGHT0+l, GL_POSITION, fv);
- llinfos << " GL_POSITION light : " << fv4(fv) << llendl;
- glGetLightfv(GL_LIGHT0+l, GL_CONSTANT_ATTENUATION, fv);
- llinfos << " GL_CONSTANT_ATTENUATION : " << fv1(fv) << llendl;
- glGetLightfv(GL_LIGHT0+l, GL_QUADRATIC_ATTENUATION, fv);
- llinfos << " GL_QUADRATIC_ATTENUATION : " << fv1(fv) << llendl;
- glGetLightfv(GL_LIGHT0+l, GL_SPOT_DIRECTION, fv);
- llinfos << " GL_SPOT_DIRECTION : " << fv4(fv) << llendl;
- glGetLightfv(GL_LIGHT0+l, GL_SPOT_EXPONENT, fv);
- llinfos << " GL_SPOT_EXPONENT : " << fv1(fv) << llendl;
- glGetLightfv(GL_LIGHT0+l, GL_SPOT_CUTOFF, fv);
- llinfos << " GL_SPOT_CUTOFF : " << fv1(fv) << llendl;
- }
- llinfos << "-----------------------------------" << llendl;
- llinfos << "Pixel Operations" << llendl;
- llinfos << "-----------------------------------" << llendl;
- llinfos << "GL_ALPHA_TEST : " << boolstr(glIsEnabled(GL_ALPHA_TEST)) << llendl;
- llinfos << "GL_DEPTH_TEST : " << boolstr(glIsEnabled(GL_DEPTH_TEST)) << llendl;
- glGetBooleanv(GL_DEPTH_WRITEMASK, &b);
- llinfos << "GL_DEPTH_WRITEMASK : " << boolstr(b) << llendl;
-
- llinfos << "GL_BLEND : " << boolstr(glIsEnabled(GL_BLEND)) << llendl;
- llinfos << "GL_DITHER : " << boolstr(glIsEnabled(GL_DITHER)) << llendl;
- }
- // End