157 lines
3.6 KiB
C++
157 lines
3.6 KiB
C++
/**
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* @file lldrawpoolsky.cpp
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* @brief LLDrawPoolSky class implementation
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*
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* $LicenseInfo:firstyear=2002&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "lldrawpoolsky.h"
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#include "imageids.h"
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#include "llagent.h"
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#include "lldrawable.h"
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#include "llface.h"
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#include "llsky.h"
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#include "llviewercamera.h"
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#include "llviewertexturelist.h"
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#include "llviewerregion.h"
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#include "llvosky.h"
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#include "llworld.h" // To get water height
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#include "pipeline.h"
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#include "llviewershadermgr.h"
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LLDrawPoolSky::LLDrawPoolSky()
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: LLFacePool(POOL_SKY),
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mSkyTex(NULL),
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mShader(NULL)
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{
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}
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LLDrawPool *LLDrawPoolSky::instancePool()
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{
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return new LLDrawPoolSky();
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}
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void LLDrawPoolSky::prerender()
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{
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mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_ENVIRONMENT);
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gSky.mVOSkyp->updateGeometry(gSky.mVOSkyp->mDrawable);
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}
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void LLDrawPoolSky::render(S32 pass)
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{
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gGL.flush();
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if (mDrawFace.empty())
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{
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return;
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}
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// Don't draw the sky box if we can and are rendering the WL sky dome.
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if (gPipeline.canUseWindLightShaders())
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{
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return;
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}
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// use a shader only underwater
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if(mVertexShaderLevel > 0 && LLPipeline::sUnderWaterRender)
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{
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mShader = &gObjectFullbrightWaterProgram;
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mShader->bind();
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}
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else if (LLGLSLShader::sNoFixedFunction)
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{ //just use the UI shader (generic single texture no lighting)
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gOneTextureNoColorProgram.bind();
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}
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else
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{
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// don't use shaders!
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if (gGLManager.mHasShaderObjects)
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{
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// Ironically, we must support shader objects to be
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// able to use this call.
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LLGLSLShader::bindNoShader();
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}
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mShader = NULL;
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}
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LLGLSPipelineSkyBox gls_skybox;
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LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
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LLGLSquashToFarClip far_clip(glh_get_current_projection());
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LLGLEnable fog_enable( (mVertexShaderLevel < 1 && LLViewerCamera::getInstance()->cameraUnderWater()) ? GL_FOG : 0);
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gPipeline.disableLights();
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LLGLDisable clip(GL_CLIP_PLANE0);
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gGL.pushMatrix();
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LLVector3 origin = LLViewerCamera::getInstance()->getOrigin();
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gGL.translatef(origin.mV[0], origin.mV[1], origin.mV[2]);
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S32 face_count = (S32)mDrawFace.size();
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LLVertexBuffer::unbind();
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gGL.diffuseColor4f(1,1,1,1);
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for (S32 i = 0; i < llmin(6, face_count); ++i)
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{
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renderSkyCubeFace(i);
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}
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gGL.popMatrix();
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}
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void LLDrawPoolSky::renderSkyCubeFace(U8 side)
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{
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LLFace &face = *mDrawFace[LLVOSky::FACE_SIDE0 + side];
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if (!face.getGeomCount())
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{
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return;
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}
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llassert(mSkyTex);
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mSkyTex[side].bindTexture(TRUE);
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face.renderIndexed();
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if (LLSkyTex::doInterpolate())
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{
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LLGLEnable blend(GL_BLEND);
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mSkyTex[side].bindTexture(FALSE);
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gGL.diffuseColor4f(1, 1, 1, LLSkyTex::getInterpVal()); // lighting is disabled
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face.renderIndexed();
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}
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}
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void LLDrawPoolSky::endRenderPass( S32 pass )
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{
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}
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