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/**
* @file lldrawpoolstars.cpp
* @brief LLDrawPoolStars class implementation
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2008, Linden Research, Inc.
*
* 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
*
* 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
*
* 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.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "lldrawpoolstars.h"
#include "llface.h"
#include "llsky.h"
#include "llvostars.h"
#include "pipeline.h"
#include "llviewercamera.h"
#include "llglslshader.h"
LLDrawPoolStars::LLDrawPoolStars() :
LLFacePool(POOL_STARS)
{
}
LLDrawPool *LLDrawPoolStars::instancePool()
{
return new LLDrawPoolStars();
}
void LLDrawPoolStars::prerender()
{
mVertexShaderLevel = LLShaderMgr::getVertexShaderLevel(LLShaderMgr::SHADER_ENVIRONMENT);
}
void LLDrawPoolStars::render(S32 pass)
{
if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_SKY)))
{
return;
}
if (mDrawFace.empty())
{
return;
}
LLGLSPipelineSkyBox gls_sky;
LLGLDepthTest gls_depth(GL_FALSE, GL_FALSE);
LLGLEnable blend(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
LLGLDisable gl_texture_2d(GL_TEXTURE_2D);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
gPipeline.disableLights();
GLint* viewport = (GLint*) gGLViewport;
if (viewport[2] > 512 && viewport[3] > 512)
{
glPointSize(2.f);
}
LLVector3 origin = gCamera->getOrigin();
glPushMatrix();
glTranslatef(origin.mV[0], origin.mV[1], origin.mV[2]);
glEnableClientState(GL_COLOR_ARRAY);
S32 face_count = (S32)mDrawFace.size();
for (S32 curr_face = 0; curr_face < face_count; curr_face++)
{
LLFace* face = mDrawFace[curr_face];
if (!face->getGeomCount())
{
continue;
}
// render the stars as a sphere centered at viewer camera
if (face->mVertexBuffer.notNull())
{
face->mVertexBuffer->setBuffer(getVertexDataMask());
U32* indicesp = (U32*) face->mVertexBuffer->getIndicesPointer();
glDrawElements(GL_POINTS, face->getIndicesCount(), GL_UNSIGNED_INT, indicesp);
mIndicesDrawn += face->getIndicesCount();
}
}
glDisableClientState(GL_COLOR_ARRAY);
glPointSize(1.f);
glPopMatrix();
}
void LLDrawPoolStars::renderForSelect()
{
}
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