diff options
Diffstat (limited to 'indra/llrender/llgl.cpp')
| -rw-r--r-- | indra/llrender/llgl.cpp | 89 |
1 files changed, 59 insertions, 30 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp index 98ed34d6fc..6ea63809f8 100644 --- a/indra/llrender/llgl.cpp +++ b/indra/llrender/llgl.cpp @@ -2,31 +2,25 @@ * @file llgl.cpp * @brief LLGL implementation * - * $LicenseInfo:firstyear=2001&license=viewergpl$ - * - * Copyright (c) 2001-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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 + * Copyright (C) 2010, Linden Research, Inc. * - * 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 + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * 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. + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -616,41 +610,46 @@ void LLGLManager::shutdownGL() void LLGLManager::initExtensions() { #if LL_MESA_HEADLESS -# if GL_ARB_multitexture +# ifdef GL_ARB_multitexture mHasMultitexture = TRUE; # else mHasMultitexture = FALSE; # endif -# if GL_ARB_texture_env_combine +# ifdef GL_ARB_texture_env_combine mHasARBEnvCombine = TRUE; # else mHasARBEnvCombine = FALSE; # endif -# if GL_ARB_texture_compression +# ifdef GL_ARB_texture_compression mHasCompressedTextures = TRUE; # else mHasCompressedTextures = FALSE; # endif -# if GL_ARB_vertex_buffer_object +# ifdef GL_ARB_vertex_buffer_object mHasVertexBufferObject = TRUE; # else mHasVertexBufferObject = FALSE; # endif -# if GL_EXT_framebuffer_object +# ifdef GL_EXT_framebuffer_object mHasFramebufferObject = TRUE; # else mHasFramebufferObject = FALSE; # endif -# if GL_EXT_framebuffer_multisample +# ifdef GL_EXT_framebuffer_multisample mHasFramebufferMultisample = TRUE; # else mHasFramebufferMultisample = FALSE; # endif -# if GL_ARB_draw_buffers +# ifdef GL_ARB_draw_buffers mHasDrawBuffers = TRUE; #else mHasDrawBuffers = FALSE; # endif +# if defined(GL_NV_depth_clamp) || defined(GL_ARB_depth_clamp) + mHasDepthClamp = TRUE; +#else + mHasDepthClamp = FALSE; +#endif # if GL_EXT_blend_func_separate mHasBlendFuncSeparate = TRUE; #else @@ -677,6 +676,7 @@ void LLGLManager::initExtensions() mHasCompressedTextures = glh_init_extensions("GL_ARB_texture_compression"); mHasOcclusionQuery = ExtensionExists("GL_ARB_occlusion_query", gGLHExts.mSysExts); mHasVertexBufferObject = ExtensionExists("GL_ARB_vertex_buffer_object", gGLHExts.mSysExts); + mHasDepthClamp = ExtensionExists("GL_ARB_depth_clamp", gGLHExts.mSysExts) || ExtensionExists("GL_NV_depth_clamp", gGLHExts.mSysExts); // mask out FBO support when packed_depth_stencil isn't there 'cause we need it for LLRenderTarget -Brad mHasFramebufferObject = ExtensionExists("GL_EXT_framebuffer_object", gGLHExts.mSysExts) && ExtensionExists("GL_EXT_packed_depth_stencil", gGLHExts.mSysExts); @@ -700,6 +700,7 @@ void LLGLManager::initExtensions() if (getenv("LL_GL_NOEXT")) { //mHasMultitexture = FALSE; // NEEDED! + mHasDepthClamp = FALSE; mHasARBEnvCombine = FALSE; mHasCompressedTextures = FALSE; mHasVertexBufferObject = FALSE; @@ -761,6 +762,7 @@ void LLGLManager::initExtensions() if (strchr(blacklist,'s')) mHasFramebufferMultisample = FALSE; if (strchr(blacklist,'t')) mHasTextureRectangle = FALSE; if (strchr(blacklist,'u')) mHasBlendFuncSeparate = FALSE;//S + if (strchr(blacklist,'v')) mHasDepthClamp = FALSE; } #endif // LL_LINUX || LL_SOLARIS @@ -1053,6 +1055,33 @@ void flush_glerror() glGetError(); } +//this function outputs gl error to the log file, does not crash the code. +void log_glerror() +{ + if (LL_UNLIKELY(!gGLManager.mInited)) + { + return ; + } + // Create or update texture to be used with this data + GLenum error; + error = glGetError(); + while (LL_UNLIKELY(error)) + { + GLubyte const * gl_error_msg = gluErrorString(error); + if (NULL != gl_error_msg) + { + llwarns << "GL Error: " << error << " GL Error String: " << gl_error_msg << llendl ; + } + else + { + // gluErrorString returns NULL for some extensions' error codes. + // you'll probably have to grep for the number in glext.h. + llwarns << "GL Error: UNKNOWN 0x" << std::hex << error << std::dec << llendl; + } + error = glGetError(); + } +} + void do_assert_glerror() { if (LL_UNLIKELY(!gGLManager.mInited)) @@ -2043,7 +2072,7 @@ void LLGLDepthTest::checkState() } } -LLGLClampToFarClip::LLGLClampToFarClip(glh::matrix4f P) +LLGLSquashToFarClip::LLGLSquashToFarClip(glh::matrix4f P) { for (U32 i = 0; i < 4; i++) { @@ -2056,7 +2085,7 @@ LLGLClampToFarClip::LLGLClampToFarClip(glh::matrix4f P) glMatrixMode(GL_MODELVIEW); } -LLGLClampToFarClip::~LLGLClampToFarClip() +LLGLSquashToFarClip::~LLGLSquashToFarClip() { glMatrixMode(GL_PROJECTION); glPopMatrix(); |