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-rw-r--r--indra/llrender/llrender.cpp176
1 files changed, 116 insertions, 60 deletions
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index a829616df2..70601663e6 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -2,25 +2,31 @@
* @file llrender.cpp
* @brief LLRender implementation
*
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ *
+ * Copyright (c) 2001-2009, Linden Research, Inc.
*
- * 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.
+ * 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
*
- * 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.
+ * 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
*
- * 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
+ * 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.
*
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
@@ -33,6 +39,7 @@
#include "llimagegl.h"
#include "llrendertarget.h"
#include "lltexture.h"
+#include "llvector4a.h"
LLRender gGL;
@@ -47,6 +54,7 @@ U32 LLRender::sUICalls = 0;
U32 LLRender::sUIVerts = 0;
static const U32 LL_NUM_TEXTURE_LAYERS = 16;
+static const U32 LL_MAX_UI_STACK_DEPTH = 32;
static GLenum sGLTextureType[] =
{
@@ -159,6 +167,7 @@ void LLTexUnit::enable(eTextureType type)
if ( (mCurrTexType != type || gGL.mDirty) && (type != TT_NONE) )
{
activate();
+
if (mCurrTexType != TT_NONE && !gGL.mDirty)
{
disable(); // Force a disable of a previous texture type if it's enabled.
@@ -750,14 +759,27 @@ LLRender::LLRender()
mCount(0),
mMode(LLRender::TRIANGLES),
mCurrTextureUnitIndex(0),
- mMaxAnisotropy(0.f)
+ mMaxAnisotropy(0.f),
+ mUIStackDepth(0)
{
mBuffer = new LLVertexBuffer(immediate_mask, 0);
mBuffer->allocateBuffer(4096, 0, TRUE);
- mBuffer->getVertexStrider(mVerticesp);
- mBuffer->getTexCoord0Strider(mTexcoordsp);
- mBuffer->getColorStrider(mColorsp);
-
+
+ LLStrider<LLVector3> vert;
+ LLStrider<LLVector2> tc;
+ LLStrider<LLColor4U> color;
+
+ mBuffer->getVertexStrider(vert);
+ mBuffer->getTexCoord0Strider(tc);
+ mBuffer->getColorStrider(color);
+
+ mVerticesp = (LLVector4a*) vert.get();
+ mTexcoordsp = tc.get();
+ mColorsp = color.get();
+
+ mUIOffset = (LLVector4a*) ll_aligned_malloc_16(LL_MAX_UI_STACK_DEPTH*sizeof(LLVector4a));
+ mUIScale = (LLVector4a*) ll_aligned_malloc_16(LL_MAX_UI_STACK_DEPTH*sizeof(LLVector4a));
+
mTexUnits.reserve(LL_NUM_TEXTURE_LAYERS);
for (U32 i = 0; i < LL_NUM_TEXTURE_LAYERS; i++)
{
@@ -772,8 +794,11 @@ LLRender::LLRender()
mCurrAlphaFunc = CF_DEFAULT;
mCurrAlphaFuncVal = 0.01f;
- mCurrBlendSFactor = BF_UNDEF;
- mCurrBlendDFactor = BF_UNDEF;
+
+ mCurrBlendColorSFactor = BF_UNDEF;
+ mCurrBlendAlphaSFactor = BF_UNDEF;
+ mCurrBlendColorDFactor = BF_UNDEF;
+ mCurrBlendAlphaDFactor = BF_UNDEF;
}
LLRender::~LLRender()
@@ -790,6 +815,11 @@ void LLRender::shutdown()
mTexUnits.clear();
delete mDummyTexUnit;
mDummyTexUnit = NULL;
+
+ ll_aligned_free_16(mUIOffset);
+ mUIOffset = NULL;
+ ll_aligned_free_16(mUIScale);
+ mUIScale = NULL;
}
void LLRender::refreshState(void)
@@ -838,84 +868,83 @@ void LLRender::popMatrix()
void LLRender::translateUI(F32 x, F32 y, F32 z)
{
- if (mUIOffset.empty())
+ if (mUIStackDepth == 0)
{
llerrs << "Need to push a UI translation frame before offsetting" << llendl;
}
- mUIOffset.front().mV[0] += x;
- mUIOffset.front().mV[1] += y;
- mUIOffset.front().mV[2] += z;
+ LLVector4a trans(x,y,z);
+ mUIOffset[mUIStackDepth-1].add(trans);
}
void LLRender::scaleUI(F32 x, F32 y, F32 z)
{
- if (mUIScale.empty())
+ if (mUIStackDepth == 0)
{
llerrs << "Need to push a UI transformation frame before scaling." << llendl;
}
- mUIScale.front().scaleVec(LLVector3(x,y,z));
+ LLVector4a scale(x,y,z);
+ mUIScale[mUIStackDepth-1].mul(scale);
}
void LLRender::pushUIMatrix()
{
- if (mUIOffset.empty())
- {
- mUIOffset.push_front(LLVector3(0,0,0));
- }
- else
+ if (mUIStackDepth == 0)
{
- mUIOffset.push_front(mUIOffset.front());
+ mUIOffset[0].clear();
+ mUIScale[0].splat(1.f);
}
-
- if (mUIScale.empty())
+ else if (mUIStackDepth < LL_MAX_UI_STACK_DEPTH)
{
- mUIScale.push_front(LLVector3(1,1,1));
+ mUIOffset[mUIStackDepth] = mUIOffset[mUIStackDepth-1];
+ mUIScale[mUIStackDepth] = mUIScale[mUIStackDepth-1];
}
else
{
- mUIScale.push_front(mUIScale.front());
+ llerrs << "Blown UI matrix stack." << llendl;
}
+
+ ++mUIStackDepth;
+
}
void LLRender::popUIMatrix()
{
- if (mUIOffset.empty())
+ if (mUIStackDepth == 0)
{
llerrs << "UI offset stack blown." << llendl;
}
- mUIOffset.pop_front();
- mUIScale.pop_front();
+ --mUIStackDepth;
}
LLVector3 LLRender::getUITranslation()
{
- if (mUIOffset.empty())
+ if (mUIStackDepth == 0)
{
llerrs << "UI offset stack empty." << llendl;
}
- return mUIOffset.front();
+ return LLVector3(mUIOffset[mUIStackDepth-1].getF32());
}
LLVector3 LLRender::getUIScale()
{
- if (mUIScale.empty())
+ if (mUIStackDepth == 0)
{
llerrs << "UI scale stack empty." << llendl;
}
- return mUIScale.front();
+ return LLVector3(mUIScale[mUIStackDepth-1].getF32());
}
void LLRender::loadUIIdentity()
{
- if (mUIOffset.empty())
+ if (mUIStackDepth == 0)
{
llerrs << "Need to push UI translation frame before clearing offset." << llendl;
}
- mUIOffset.front().setVec(0,0,0);
- mUIScale.front().setVec(1,1,1);
+ mUIOffset[mUIStackDepth-1].clear();
+ mUIScale[mUIStackDepth-1].splat(1.f);
}
void LLRender::setColorMask(bool writeColor, bool writeAlpha)
@@ -989,15 +1018,44 @@ void LLRender::blendFunc(eBlendFactor sfactor, eBlendFactor dfactor)
{
llassert(sfactor < BF_UNDEF);
llassert(dfactor < BF_UNDEF);
- if (mCurrBlendSFactor != sfactor || mCurrBlendDFactor != dfactor)
+ if (mCurrBlendColorSFactor != sfactor || mCurrBlendColorDFactor != dfactor ||
+ mCurrBlendAlphaSFactor != sfactor || mCurrBlendAlphaDFactor != dfactor)
{
- mCurrBlendSFactor = sfactor;
- mCurrBlendDFactor = dfactor;
+ mCurrBlendColorSFactor = sfactor;
+ mCurrBlendAlphaSFactor = sfactor;
+ mCurrBlendColorDFactor = dfactor;
+ mCurrBlendAlphaDFactor = dfactor;
flush();
glBlendFunc(sGLBlendFactor[sfactor], sGLBlendFactor[dfactor]);
}
}
+void LLRender::blendFunc(eBlendFactor color_sfactor, eBlendFactor color_dfactor,
+ eBlendFactor alpha_sfactor, eBlendFactor alpha_dfactor)
+{
+ llassert(color_sfactor < BF_UNDEF);
+ llassert(color_dfactor < BF_UNDEF);
+ llassert(alpha_sfactor < BF_UNDEF);
+ llassert(alpha_dfactor < BF_UNDEF);
+ if (!gGLManager.mHasBlendFuncSeparate)
+ {
+ LL_WARNS_ONCE("render") << "no glBlendFuncSeparateEXT(), using color-only blend func" << llendl;
+ blendFunc(color_sfactor, color_dfactor);
+ return;
+ }
+ if (mCurrBlendColorSFactor != color_sfactor || mCurrBlendColorDFactor != color_dfactor ||
+ mCurrBlendAlphaSFactor != alpha_sfactor || mCurrBlendAlphaDFactor != alpha_dfactor)
+ {
+ mCurrBlendColorSFactor = color_sfactor;
+ mCurrBlendAlphaSFactor = alpha_sfactor;
+ mCurrBlendColorDFactor = color_dfactor;
+ mCurrBlendAlphaDFactor = alpha_dfactor;
+ flush();
+ glBlendFuncSeparateEXT(sGLBlendFactor[color_sfactor], sGLBlendFactor[color_dfactor],
+ sGLBlendFactor[alpha_sfactor], sGLBlendFactor[alpha_dfactor]);
+ }
+}
+
LLTexUnit* LLRender::getTexUnit(U32 index)
{
if (index < mTexUnits.size())
@@ -1115,7 +1173,7 @@ void LLRender::flush()
}
#endif
- if (!mUIOffset.empty())
+ if (mUIStackDepth > 0)
{
sUICalls++;
sUIVerts += mCount;
@@ -1167,24 +1225,22 @@ void LLRender::vertex3f(const GLfloat& x, const GLfloat& y, const GLfloat& z)
return;
}
- if (mUIOffset.empty())
+ LLVector3& v = reinterpret_cast<LLVector3&>(mVerticesp[mCount]);
+ v.set(x,y,z);
+ if (mUIStackDepth != 0)
{
- mVerticesp[mCount] = LLVector3(x,y,z);
- }
- else
- {
- LLVector3 vert = (LLVector3(x,y,z)+mUIOffset.front()).scaledVec(mUIScale.front());
- mVerticesp[mCount] = vert;
+ v += reinterpret_cast<LLVector3&>(mUIOffset[mUIStackDepth-1]);
+ v.scaleVec(reinterpret_cast<LLVector3&>(mUIScale[mUIStackDepth-1]));
}
mCount++;
if (mCount < 4096)
{
- mVerticesp[mCount] = mVerticesp[mCount-1];
mColorsp[mCount] = mColorsp[mCount-1];
mTexcoordsp[mCount] = mTexcoordsp[mCount-1];
}
}
+
void LLRender::vertex2i(const GLint& x, const GLint& y)
{
vertex3f((GLfloat) x, (GLfloat) y, 0);