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/**
* @file lldrawpooltree.cpp
* @brief LLDrawPoolTree class implementation
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, 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.
*
* 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.
*
* 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
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "lldrawpooltree.h"
#include "lldrawable.h"
#include "llface.h"
#include "llsky.h"
#include "llvotree.h"
#include "pipeline.h"
#include "llviewercamera.h"
#include "llviewershadermgr.h"
#include "llrender.h"
#include "llviewercontrol.h"
#include "llviewerregion.h"
#include "llenvironment.h"
S32 LLDrawPoolTree::sDiffTex = 0;
static LLGLSLShader* shader = NULL;
LLDrawPoolTree::LLDrawPoolTree(LLViewerTexture *texturep) :
LLFacePool(POOL_TREE),
mTexturep(texturep)
{
mTexturep->setAddressMode(LLTexUnit::TAM_WRAP);
}
//============================================
// deferred implementation
//============================================
void LLDrawPoolTree::beginDeferredPass(S32 pass)
{
LL_RECORD_BLOCK_TIME(FTM_RENDER_TREES);
shader = &gDeferredTreeProgram;
shader->bind();
shader->setMinimumAlpha(0.5f);
}
void LLDrawPoolTree::renderDeferred(S32 pass)
{
LL_PROFILE_ZONE_SCOPED;
if (mDrawFace.empty())
{
return;
}
LLGLState test(GL_ALPHA_TEST, 0);
gGL.getTexUnit(sDiffTex)->bindFast(mTexturep);
mTexturep->addTextureStats(1024.f * 1024.f); // <=== keep Linden tree textures at full res
for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
iter != mDrawFace.end(); iter++)
{
LLFace* face = *iter;
LLVertexBuffer* buff = face->getVertexBuffer();
if (buff)
{
LLMatrix4* model_matrix = &(face->getDrawable()->getRegion()->mRenderMatrix);
if (model_matrix != gGLLastMatrix)
{
gGLLastMatrix = model_matrix;
gGL.loadMatrix(gGLModelView);
if (model_matrix)
{
llassert(gGL.getMatrixMode() == LLRender::MM_MODELVIEW);
gGL.multMatrix((GLfloat*)model_matrix->mMatrix);
}
gPipeline.mMatrixOpCount++;
}
buff->setBuffer();
buff->drawRange(LLRender::TRIANGLES, 0, buff->getNumVerts() - 1, buff->getNumIndices(), 0);
}
}
}
void LLDrawPoolTree::endDeferredPass(S32 pass)
{
LL_RECORD_BLOCK_TIME(FTM_RENDER_TREES);
shader->unbind();
}
//============================================
// shadow implementation
//============================================
void LLDrawPoolTree::beginShadowPass(S32 pass)
{
LL_PROFILE_ZONE_SCOPED;
glPolygonOffset(gSavedSettings.getF32("RenderDeferredTreeShadowOffset"),
gSavedSettings.getF32("RenderDeferredTreeShadowBias"));
LLEnvironment& environment = LLEnvironment::instance();
gDeferredTreeShadowProgram.bind();
gDeferredTreeShadowProgram.uniform1i(LLShaderMgr::SUN_UP_FACTOR, environment.getIsSunUp() ? 1 : 0);
gDeferredTreeShadowProgram.setMinimumAlpha(0.5f);
}
void LLDrawPoolTree::renderShadow(S32 pass)
{
renderDeferred(pass);
}
void LLDrawPoolTree::endShadowPass(S32 pass)
{
LL_PROFILE_ZONE_SCOPED;
glPolygonOffset(gSavedSettings.getF32("RenderDeferredSpotShadowOffset"),
gSavedSettings.getF32("RenderDeferredSpotShadowBias"));
gDeferredTreeShadowProgram.unbind();
}
BOOL LLDrawPoolTree::verify() const
{
return TRUE;
}
LLViewerTexture *LLDrawPoolTree::getTexture()
{
return mTexturep;
}
LLViewerTexture *LLDrawPoolTree::getDebugTexture()
{
return mTexturep;
}
LLColor3 LLDrawPoolTree::getDebugColor() const
{
return LLColor3(1.f, 0.f, 1.f);
}
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