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-rw-r--r--indra/llrender/llrender.cpp272
1 files changed, 226 insertions, 46 deletions
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 64238b2008..1d82dda30f 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -2,31 +2,25 @@
* @file llrender.cpp
* @brief LLRender 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
* $/LicenseInfo$
*/
@@ -36,6 +30,7 @@
#include "llvertexbuffer.h"
#include "llcubemap.h"
+#include "llglslshader.h"
#include "llimagegl.h"
#include "llrendertarget.h"
#include "lltexture.h"
@@ -52,13 +47,15 @@ S32 gGLViewport[4];
U32 LLRender::sUICalls = 0;
U32 LLRender::sUIVerts = 0;
-static const U32 LL_NUM_TEXTURE_LAYERS = 16;
+static const U32 LL_NUM_TEXTURE_LAYERS = 32;
+static const U32 LL_NUM_LIGHT_UNITS = 8;
static GLenum sGLTextureType[] =
{
GL_TEXTURE_2D,
GL_TEXTURE_RECTANGLE_ARB,
- GL_TEXTURE_CUBE_MAP_ARB
+ GL_TEXTURE_CUBE_MAP_ARB,
+ GL_TEXTURE_2D_MULTISAMPLE
};
static GLint sGLAddressMode[] =
@@ -124,14 +121,29 @@ void LLTexUnit::refreshState(void)
gGL.flush();
glActiveTextureARB(GL_TEXTURE0_ARB + mIndex);
+
+ //
+ // Per apple spec, don't call glEnable/glDisable when index exceeds max texture units
+ // http://www.mailinglistarchive.com/html/mac-opengl@lists.apple.com/2008-07/msg00653.html
+ //
+ bool enableDisable = (mIndex < gGLManager.mNumTextureUnits) && mCurrTexType != LLTexUnit::TT_MULTISAMPLE_TEXTURE;
+
if (mCurrTexType != TT_NONE)
{
- glEnable(sGLTextureType[mCurrTexType]);
+ if (enableDisable)
+ {
+ glEnable(sGLTextureType[mCurrTexType]);
+ }
+
glBindTexture(sGLTextureType[mCurrTexType], mCurrTexture);
}
else
{
- glDisable(GL_TEXTURE_2D);
+ if (enableDisable)
+ {
+ glDisable(GL_TEXTURE_2D);
+ }
+
glBindTexture(GL_TEXTURE_2D, 0);
}
@@ -172,7 +184,11 @@ void LLTexUnit::enable(eTextureType type)
mCurrTexType = type;
gGL.flush();
- glEnable(sGLTextureType[type]);
+ if (type != LLTexUnit::TT_MULTISAMPLE_TEXTURE &&
+ mIndex < gGLManager.mNumTextureUnits)
+ {
+ glEnable(sGLTextureType[type]);
+ }
}
}
@@ -185,7 +201,12 @@ void LLTexUnit::disable(void)
activate();
unbind(mCurrTexType);
gGL.flush();
- glDisable(sGLTextureType[mCurrTexType]);
+ if (mCurrTexType != LLTexUnit::TT_MULTISAMPLE_TEXTURE &&
+ mIndex < gGLManager.mNumTextureUnits)
+ {
+ glDisable(sGLTextureType[mCurrTexType]);
+ }
+
mCurrTexType = TT_NONE;
}
}
@@ -383,6 +404,7 @@ void LLTexUnit::unbind(eTextureType type)
activate();
mCurrTexture = 0;
glBindTexture(sGLTextureType[type], 0);
+ stop_glerror();
}
}
@@ -404,7 +426,7 @@ void LLTexUnit::setTextureAddressMode(eTextureAddressMode mode)
void LLTexUnit::setTextureFilteringOption(LLTexUnit::eTextureFilterOptions option)
{
- if (mIndex < 0 || mCurrTexture == 0) return;
+ if (mIndex < 0 || mCurrTexture == 0 || mCurrTexType == LLTexUnit::TT_MULTISAMPLE_TEXTURE) return;
gGL.flush();
@@ -437,6 +459,9 @@ void LLTexUnit::setTextureFilteringOption(LLTexUnit::eTextureFilterOptions optio
if (gGL.mMaxAnisotropy < 1.f)
{
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gGL.mMaxAnisotropy);
+
+ llinfos << "gGL.mMaxAnisotropy: " << gGL.mMaxAnisotropy << llendl ;
+ gGL.mMaxAnisotropy = llmax(1.f, gGL.mMaxAnisotropy) ;
}
glTexParameterf(sGLTextureType[mCurrTexType], GL_TEXTURE_MAX_ANISOTROPY_EXT, gGL.mMaxAnisotropy);
}
@@ -750,6 +775,130 @@ void LLTexUnit::debugTextureUnit(void)
}
}
+LLLightState::LLLightState(S32 index)
+: mIndex(index),
+ mEnabled(false),
+ mConstantAtten(1.f),
+ mLinearAtten(0.f),
+ mQuadraticAtten(0.f),
+ mSpotExponent(0.f),
+ mSpotCutoff(180.f)
+{
+ if (mIndex == 0)
+ {
+ mDiffuse.set(1,1,1,1);
+ mSpecular.set(1,1,1,1);
+ }
+
+ mAmbient.set(0,0,0,1);
+ mPosition.set(0,0,1,0);
+ mSpotDirection.set(0,0,-1);
+
+}
+
+void LLLightState::enable()
+{
+ if (!mEnabled)
+ {
+ glEnable(GL_LIGHT0+mIndex);
+ mEnabled = true;
+ }
+}
+
+void LLLightState::disable()
+{
+ if (mEnabled)
+ {
+ glDisable(GL_LIGHT0+mIndex);
+ mEnabled = false;
+ }
+}
+
+void LLLightState::setDiffuse(const LLColor4& diffuse)
+{
+ if (mDiffuse != diffuse)
+ {
+ mDiffuse = diffuse;
+ glLightfv(GL_LIGHT0+mIndex, GL_DIFFUSE, mDiffuse.mV);
+ }
+}
+
+void LLLightState::setAmbient(const LLColor4& ambient)
+{
+ if (mAmbient != ambient)
+ {
+ mAmbient = ambient;
+ glLightfv(GL_LIGHT0+mIndex, GL_AMBIENT, mAmbient.mV);
+ }
+}
+
+void LLLightState::setSpecular(const LLColor4& specular)
+{
+ if (mSpecular != specular)
+ {
+ mSpecular = specular;
+ glLightfv(GL_LIGHT0+mIndex, GL_SPECULAR, mSpecular.mV);
+ }
+}
+
+void LLLightState::setPosition(const LLVector4& position)
+{
+ //always set position because modelview matrix may have changed
+ mPosition = position;
+ glLightfv(GL_LIGHT0+mIndex, GL_POSITION, mPosition.mV);
+}
+
+void LLLightState::setConstantAttenuation(const F32& atten)
+{
+ if (mConstantAtten != atten)
+ {
+ mConstantAtten = atten;
+ glLightf(GL_LIGHT0+mIndex, GL_CONSTANT_ATTENUATION, atten);
+ }
+}
+
+void LLLightState::setLinearAttenuation(const F32& atten)
+{
+ if (mLinearAtten != atten)
+ {
+ mLinearAtten = atten;
+ glLightf(GL_LIGHT0+mIndex, GL_LINEAR_ATTENUATION, atten);
+ }
+}
+
+void LLLightState::setQuadraticAttenuation(const F32& atten)
+{
+ if (mQuadraticAtten != atten)
+ {
+ mQuadraticAtten = atten;
+ glLightf(GL_LIGHT0+mIndex, GL_QUADRATIC_ATTENUATION, atten);
+ }
+}
+
+void LLLightState::setSpotExponent(const F32& exponent)
+{
+ if (mSpotExponent != exponent)
+ {
+ mSpotExponent = exponent;
+ glLightf(GL_LIGHT0+mIndex, GL_SPOT_EXPONENT, exponent);
+ }
+}
+
+void LLLightState::setSpotCutoff(const F32& cutoff)
+{
+ if (mSpotCutoff != cutoff)
+ {
+ mSpotCutoff = cutoff;
+ glLightf(GL_LIGHT0+mIndex, GL_SPOT_CUTOFF, cutoff);
+ }
+}
+
+void LLLightState::setSpotDirection(const LLVector3& direction)
+{
+ //always set direction because modelview matrix may have changed
+ mSpotDirection = direction;
+ glLightfv(GL_LIGHT0+mIndex, GL_SPOT_DIRECTION, direction.mV);
+}
LLRender::LLRender()
: mDirty(false),
@@ -771,6 +920,11 @@ LLRender::LLRender()
}
mDummyTexUnit = new LLTexUnit(-1);
+ for (U32 i = 0; i < LL_NUM_LIGHT_UNITS; ++i)
+ {
+ mLightState.push_back(new LLLightState(i));
+ }
+
for (U32 i = 0; i < 4; i++)
{
mCurrColorMask[i] = true;
@@ -798,6 +952,12 @@ void LLRender::shutdown()
mTexUnits.clear();
delete mDummyTexUnit;
mDummyTexUnit = NULL;
+
+ for (U32 i = 0; i < mLightState.size(); ++i)
+ {
+ delete mLightState[i];
+ }
+ mLightState.clear();
}
void LLRender::refreshState(void)
@@ -901,7 +1061,7 @@ LLVector3 LLRender::getUITranslation()
{
if (mUIOffset.empty())
{
- llerrs << "UI offset stack empty." << llendl;
+ return LLVector3(0,0,0);
}
return mUIOffset.back();
}
@@ -910,7 +1070,7 @@ LLVector3 LLRender::getUIScale()
{
if (mUIScale.empty())
{
- llerrs << "UI scale stack empty." << llendl;
+ return LLVector3(1,1,1);
}
return mUIScale.back();
}
@@ -935,15 +1095,21 @@ void LLRender::setColorMask(bool writeColorR, bool writeColorG, bool writeColorB
{
flush();
- mCurrColorMask[0] = writeColorR;
- mCurrColorMask[1] = writeColorG;
- mCurrColorMask[2] = writeColorB;
- mCurrColorMask[3] = writeAlpha;
+ if (mCurrColorMask[0] != writeColorR ||
+ mCurrColorMask[1] != writeColorG ||
+ mCurrColorMask[2] != writeColorB ||
+ mCurrColorMask[3] != writeAlpha)
+ {
+ mCurrColorMask[0] = writeColorR;
+ mCurrColorMask[1] = writeColorG;
+ mCurrColorMask[2] = writeColorB;
+ mCurrColorMask[3] = writeAlpha;
- glColorMask(writeColorR ? GL_TRUE : GL_FALSE,
- writeColorG ? GL_TRUE : GL_FALSE,
- writeColorB ? GL_TRUE : GL_FALSE,
- writeAlpha ? GL_TRUE : GL_FALSE);
+ glColorMask(writeColorR ? GL_TRUE : GL_FALSE,
+ writeColorG ? GL_TRUE : GL_FALSE,
+ writeColorB ? GL_TRUE : GL_FALSE,
+ writeAlpha ? GL_TRUE : GL_FALSE);
+ }
}
void LLRender::setSceneBlendType(eBlendType type)
@@ -981,15 +1147,19 @@ void LLRender::setAlphaRejectSettings(eCompareFunc func, F32 value)
{
flush();
- mCurrAlphaFunc = func;
- mCurrAlphaFuncVal = value;
- if (func == CF_DEFAULT)
+ if (mCurrAlphaFunc != func ||
+ mCurrAlphaFuncVal != value)
{
- glAlphaFunc(GL_GREATER, 0.01f);
- }
- else
- {
- glAlphaFunc(sGLCompareFunc[func], value);
+ mCurrAlphaFunc = func;
+ mCurrAlphaFuncVal = value;
+ if (func == CF_DEFAULT)
+ {
+ glAlphaFunc(GL_GREATER, 0.01f);
+ }
+ else
+ {
+ glAlphaFunc(sGLCompareFunc[func], value);
+ }
}
}
@@ -1048,6 +1218,16 @@ LLTexUnit* LLRender::getTexUnit(U32 index)
}
}
+LLLightState* LLRender::getLight(U32 index)
+{
+ if (index < mLightState.size())
+ {
+ return mLightState[index];
+ }
+
+ return NULL;
+}
+
bool LLRender::verifyTexUnitActive(U32 unitToVerify)
{
if (mCurrTextureUnitIndex == unitToVerify)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 09:21:17 +0000