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Lindie viewer-dev catchup regarding rendering pipeline.

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This commit is contained in:
Shyotl
2012-06-30 20:05:31 -05:00
parent a8ebd6eebb
commit 67e1a3b004
87 changed files with 3880 additions and 2180 deletions
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133
indra/llrender/llgl.cpp
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@@ -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
* $/LicenseInfo$
*/
@@ -263,6 +257,12 @@ PFNGLTEXIMAGE3DMULTISAMPLEPROC glTexImage3DMultisample = NULL;
PFNGLGETMULTISAMPLEFVPROC glGetMultisamplefv = NULL;
PFNGLSAMPLEMASKIPROC glSampleMaski = NULL;
//transform feedback (4.0 core)
PFNGLBEGINTRANSFORMFEEDBACKPROC glBeginTransformFeedback = NULL;
PFNGLENDTRANSFORMFEEDBACKPROC glEndTransformFeedback = NULL;
PFNGLTRANSFORMFEEDBACKVARYINGSPROC glTransformFeedbackVaryings = NULL;
PFNGLBINDBUFFERRANGEPROC glBindBufferRange = NULL;
//GL_ARB_debug_output
PFNGLDEBUGMESSAGECONTROLARBPROC glDebugMessageControlARB = NULL;
PFNGLDEBUGMESSAGEINSERTARBPROC glDebugMessageInsertARB = NULL;
@@ -436,6 +436,7 @@ LLGLManager::LLGLManager() :
mHasDrawBuffers(FALSE),
mHasTextureRectangle(FALSE),
mHasTextureMultisample(FALSE),
mHasTransformFeedback(FALSE),
mMaxSampleMaskWords(0),
mMaxColorTextureSamples(0),
mMaxDepthTextureSamples(0),
@@ -573,7 +574,8 @@ bool LLGLManager::initGL()
parse_gl_version( &mDriverVersionMajor,
&mDriverVersionMinor,
&mDriverVersionRelease,
&mDriverVersionVendorString );
&mDriverVersionVendorString,
&mGLVersionString);
mGLVersion = mDriverVersionMajor + mDriverVersionMinor * .1f;
@@ -591,7 +593,7 @@ bool LLGLManager::initGL()
#endif
}
if (mGLVersion >= 3.f && LLImageGL::sCompressTextures)
if (mGLVersion >= 2.1f && LLImageGL::sCompressTextures)
{ //use texture compression
glHint(GL_TEXTURE_COMPRESSION_HINT, GL_NICEST);
}
@@ -620,11 +622,8 @@ bool LLGLManager::initGL()
#endif // LL_WINDOWS
#if (LL_WINDOWS || LL_LINUX) && !LL_MESA_HEADLESS
// release 7277 is a point at which we verify that ATI OpenGL
// drivers get pretty stable with SL, ~Catalyst 8.2,
// for both Win32 and Linux.
if (mDriverVersionRelease < 7277 &&
mDriverVersionRelease != 0) // 0 == Undetectable driver version - these get to pretend to be new ATI drivers, though that decision may be revisited.
// count any pre OpenGL 3.0 implementation as an old driver
if (mGLVersion < 3.f)
{
mATIOldDriver = TRUE;
}
@@ -931,7 +930,6 @@ void LLGLManager::initExtensions()
mHasMultitexture = glh_init_extensions("GL_ARB_multitexture");
mHasATIMemInfo = ExtensionExists("GL_ATI_meminfo", gGLHExts.mSysExts);
mHasNVXMemInfo = ExtensionExists("GL_NVX_gpu_memory_info", gGLHExts.mSysExts);
mHasMipMapGeneration = glh_init_extensions("GL_SGIS_generate_mipmap");
mHasSeparateSpecularColor = glh_init_extensions("GL_EXT_separate_specular_color");
mHasAnisotropic = glh_init_extensions("GL_EXT_texture_filter_anisotropic");
glh_init_extensions("GL_ARB_texture_cube_map");
@@ -956,11 +954,15 @@ void LLGLManager::initExtensions()
ExtensionExists("GL_EXT_packed_depth_stencil", gGLHExts.mSysExts);
#endif
mHasFramebufferMultisample = mHasFramebufferObject && ExtensionExists("GL_EXT_framebuffer_multisample", gGLHExts.mSysExts);
mHasMipMapGeneration = mHasFramebufferObject || mGLVersion >= 1.4f;
mHasDrawBuffers = ExtensionExists("GL_ARB_draw_buffers", gGLHExts.mSysExts);
mHasBlendFuncSeparate = ExtensionExists("GL_EXT_blend_func_separate", gGLHExts.mSysExts);
mHasTextureRectangle = ExtensionExists("GL_ARB_texture_rectangle", gGLHExts.mSysExts);
mHasTextureMultisample = ExtensionExists("GL_ARB_texture_multisample", gGLHExts.mSysExts);
mHasDebugOutput = ExtensionExists("GL_ARB_debug_output", gGLHExts.mSysExts);
mHasTransformFeedback = mGLVersion >= 4.f ? TRUE : FALSE;
#if !LL_DARWIN
mHasPointParameters = !mIsATI && ExtensionExists("GL_ARB_point_parameters", gGLHExts.mSysExts);
#endif
@@ -1202,7 +1204,14 @@ void LLGLManager::initExtensions()
glTexImage3DMultisample = (PFNGLTEXIMAGE3DMULTISAMPLEPROC) GLH_EXT_GET_PROC_ADDRESS("glTexImage3DMultisample");
glGetMultisamplefv = (PFNGLGETMULTISAMPLEFVPROC) GLH_EXT_GET_PROC_ADDRESS("glGetMultisamplefv");
glSampleMaski = (PFNGLSAMPLEMASKIPROC) GLH_EXT_GET_PROC_ADDRESS("glSampleMaski");
}
}
if (mHasTransformFeedback)
{
glBeginTransformFeedback = (PFNGLBEGINTRANSFORMFEEDBACKPROC) GLH_EXT_GET_PROC_ADDRESS("glBeginTransformFeedback");
glEndTransformFeedback = (PFNGLENDTRANSFORMFEEDBACKPROC) GLH_EXT_GET_PROC_ADDRESS("glEndTransformFeedback");
glTransformFeedbackVaryings = (PFNGLTRANSFORMFEEDBACKVARYINGSPROC) GLH_EXT_GET_PROC_ADDRESS("glTransformFeedbackVaryings");
glBindBufferRange = (PFNGLBINDBUFFERRANGEPROC) GLH_EXT_GET_PROC_ADDRESS("glBindBufferRange");
}
if (mHasDebugOutput)
{
glDebugMessageControlARB = (PFNGLDEBUGMESSAGECONTROLARBPROC) GLH_EXT_GET_PROC_ADDRESS("glDebugMessageControlARB");
@@ -2040,7 +2049,7 @@ void LLGLManager::initGLStates()
////////////////////////////////////////////////////////////////////////////////
void parse_gl_version( S32* major, S32* minor, S32* release, std::string* vendor_specific )
void parse_gl_version( S32* major, S32* minor, S32* release, std::string* vendor_specific, std::string* version_string )
{
// GL_VERSION returns a null-terminated string with the format:
// <major>.<minor>[.<release>] [<vendor specific>]
@@ -2056,6 +2065,8 @@ void parse_gl_version( S32* major, S32* minor, S32* release, std::string* vendor
return;
}
version_string->assign(version);
std::string ver_copy( version );
S32 len = (S32)strlen( version ); /* Flawfinder: ignore */
S32 i = 0;
@@ -2417,3 +2428,63 @@ LLGLSquashToFarClip::~LLGLSquashToFarClip()
gGL.matrixMode(LLRender::MM_MODELVIEW);
}
LLGLSyncFence::LLGLSyncFence()
{
#ifdef GL_ARB_sync
mSync = 0;
#endif
}
LLGLSyncFence::~LLGLSyncFence()
{
#ifdef GL_ARB_sync
if (mSync)
{
glDeleteSync(mSync);
}
#endif
}
void LLGLSyncFence::placeFence()
{
#ifdef GL_ARB_sync
if (mSync)
{
glDeleteSync(mSync);
}
mSync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
#endif
}
bool LLGLSyncFence::isCompleted()
{
bool ret = true;
#ifdef GL_ARB_sync
if (mSync)
{
GLenum status = glClientWaitSync(mSync, 0, 1);
if (status == GL_TIMEOUT_EXPIRED)
{
ret = false;
}
}
#endif
return ret;
}
void LLGLSyncFence::wait()
{
#ifdef GL_ARB_sync
if (mSync)
{
while (glClientWaitSync(mSync, 0, FENCE_WAIT_TIME_NANOSECONDS) == GL_TIMEOUT_EXPIRED)
{ //track the number of times we've waited here
static S32 waits = 0;
waits++;
}
}
#endif
}