diff options
Diffstat (limited to 'indra/newview/lldrawpoolwater.cpp')
| -rw-r--r-- | indra/newview/lldrawpoolwater.cpp | 1461 |
1 files changed, 736 insertions, 725 deletions
diff --git a/indra/newview/lldrawpoolwater.cpp b/indra/newview/lldrawpoolwater.cpp index 4f6eaa5a5b..ffe438eb27 100644 --- a/indra/newview/lldrawpoolwater.cpp +++ b/indra/newview/lldrawpoolwater.cpp @@ -1,725 +1,736 @@ -/** - * @file lldrawpoolwater.cpp - * @brief LLDrawPoolWater 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 "llfeaturemanager.h" -#include "lldrawpoolwater.h" - -#include "llviewercontrol.h" -#include "lldir.h" -#include "llerror.h" -#include "m3math.h" -#include "llrender.h" - -#include "llagent.h" // for gAgent for getRegion for getWaterHeight -#include "llcubemap.h" -#include "lldrawable.h" -#include "llface.h" -#include "llsky.h" -#include "llviewertexturelist.h" -#include "llviewerregion.h" -#include "llvosky.h" -#include "llvowater.h" -#include "llworld.h" -#include "pipeline.h" -#include "llviewershadermgr.h" -#include "llwaterparammanager.h" - -const LLUUID TRANSPARENT_WATER_TEXTURE("2bfd3884-7e27-69b9-ba3a-3e673f680004"); -const LLUUID OPAQUE_WATER_TEXTURE("43c32285-d658-1793-c123-bf86315de055"); - -static float sTime; - -BOOL deferred_render = FALSE; - -BOOL LLDrawPoolWater::sSkipScreenCopy = FALSE; -BOOL LLDrawPoolWater::sNeedsReflectionUpdate = TRUE; -BOOL LLDrawPoolWater::sNeedsDistortionUpdate = TRUE; -LLColor4 LLDrawPoolWater::sWaterFogColor = LLColor4(0.2f, 0.5f, 0.5f, 0.f); -F32 LLDrawPoolWater::sWaterFogEnd = 0.f; - -LLVector3 LLDrawPoolWater::sLightDir; - -LLDrawPoolWater::LLDrawPoolWater() : - LLFacePool(POOL_WATER) -{ - mHBTex[0] = LLViewerTextureManager::getFetchedTexture(gSunTextureID, TRUE, LLViewerTexture::BOOST_UI); - gGL.getTexUnit(0)->bind(mHBTex[0]) ; - mHBTex[0]->setAddressMode(LLTexUnit::TAM_CLAMP); - - mHBTex[1] = LLViewerTextureManager::getFetchedTexture(gMoonTextureID, TRUE, LLViewerTexture::BOOST_UI); - gGL.getTexUnit(0)->bind(mHBTex[1]); - mHBTex[1]->setAddressMode(LLTexUnit::TAM_CLAMP); - - - mWaterImagep = LLViewerTextureManager::getFetchedTexture(TRANSPARENT_WATER_TEXTURE); - llassert(mWaterImagep); - mWaterImagep->setNoDelete(); - mOpaqueWaterImagep = LLViewerTextureManager::getFetchedTexture(OPAQUE_WATER_TEXTURE); - llassert(mOpaqueWaterImagep); - mWaterNormp = LLViewerTextureManager::getFetchedTexture(DEFAULT_WATER_NORMAL); - mWaterNormp->setNoDelete(); - - restoreGL(); -} - -LLDrawPoolWater::~LLDrawPoolWater() -{ -} - -//static -void LLDrawPoolWater::restoreGL() -{ - -} - -LLDrawPool *LLDrawPoolWater::instancePool() -{ - llerrs << "Should never be calling instancePool on a water pool!" << llendl; - return NULL; -} - - -void LLDrawPoolWater::prerender() -{ - mVertexShaderLevel = (gGLManager.mHasCubeMap && LLCubeMap::sUseCubeMaps) ? - LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_WATER) : 0; - - // got rid of modulation by light color since it got a little too - // green at sunset and sl-57047 (underwater turns black at 8:00) - sWaterFogColor = LLWaterParamManager::instance().getFogColor(); - sWaterFogColor.mV[3] = 0; - -} - -S32 LLDrawPoolWater::getNumPasses() -{ - if (LLViewerCamera::getInstance()->getOrigin().mV[2] < 1024.f) - { - return 1; - } - - return 0; -} - -void LLDrawPoolWater::beginPostDeferredPass(S32 pass) -{ - beginRenderPass(pass); - deferred_render = TRUE; -} - -void LLDrawPoolWater::endPostDeferredPass(S32 pass) -{ - endRenderPass(pass); - deferred_render = FALSE; -} - -//=============================== -//DEFERRED IMPLEMENTATION -//=============================== -void LLDrawPoolWater::renderDeferred(S32 pass) -{ - LLFastTimer t(FTM_RENDER_WATER); - deferred_render = TRUE; - shade(); - deferred_render = FALSE; -} - -//========================================= - -void LLDrawPoolWater::render(S32 pass) -{ - LLFastTimer ftm(FTM_RENDER_WATER); - if (mDrawFace.empty() || LLDrawable::getCurrentFrame() <= 1) - { - return; - } - - //do a quick 'n dirty depth sort - for (std::vector<LLFace*>::iterator iter = mDrawFace.begin(); - iter != mDrawFace.end(); iter++) - { - LLFace* facep = *iter; - facep->mDistance = -facep->mCenterLocal.mV[2]; - } - - std::sort(mDrawFace.begin(), mDrawFace.end(), LLFace::CompareDistanceGreater()); - - // See if we are rendering water as opaque or not - if (!gSavedSettings.getBOOL("RenderTransparentWater")) - { - // render water for low end hardware - renderOpaqueLegacyWater(); - return; - } - - LLGLEnable blend(GL_BLEND); - - if ((mVertexShaderLevel > 0) && !sSkipScreenCopy) - { - shade(); - return; - } - - LLVOSky *voskyp = gSky.mVOSkyp; - - stop_glerror(); - - if (!gGLManager.mHasMultitexture) - { - // Ack! No multitexture! Bail! - return; - } - - LLFace* refl_face = voskyp->getReflFace(); - - gPipeline.disableLights(); - - LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE); - - LLGLDisable cullFace(GL_CULL_FACE); - - // Set up second pass first - mWaterImagep->addTextureStats(1024.f*1024.f); - gGL.getTexUnit(1)->activate(); - gGL.getTexUnit(1)->enable(LLTexUnit::TT_TEXTURE); - gGL.getTexUnit(1)->bind(mWaterImagep) ; - - LLVector3 camera_up = LLViewerCamera::getInstance()->getUpAxis(); - F32 up_dot = camera_up * LLVector3::z_axis; - - LLColor4 water_color; - if (LLViewerCamera::getInstance()->cameraUnderWater()) - { - water_color.setVec(1.f, 1.f, 1.f, 0.4f); - } - else - { - water_color.setVec(1.f, 1.f, 1.f, 0.5f*(1.f + up_dot)); - } - - gGL.diffuseColor4fv(water_color.mV); - - // Automatically generate texture coords for detail map - glEnable(GL_TEXTURE_GEN_S); //texture unit 1 - glEnable(GL_TEXTURE_GEN_T); //texture unit 1 - glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR); - glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR); - - // Slowly move over time. - F32 offset = fmod(gFrameTimeSeconds*2.f, 100.f); - F32 tp0[4] = {16.f/256.f, 0.0f, 0.0f, offset*0.01f}; - F32 tp1[4] = {0.0f, 16.f/256.f, 0.0f, offset*0.01f}; - glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0); - glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1); - - gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_PREV_COLOR); - gGL.getTexUnit(1)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_ALPHA); - - gGL.getTexUnit(0)->activate(); - - glClearStencil(1); - glClear(GL_STENCIL_BUFFER_BIT); - LLGLEnable gls_stencil(GL_STENCIL_TEST); - glStencilOp(GL_KEEP, GL_REPLACE, GL_KEEP); - glStencilFunc(GL_ALWAYS, 0, 0xFFFFFFFF); - - for (std::vector<LLFace*>::iterator iter = mDrawFace.begin(); - iter != mDrawFace.end(); iter++) - { - LLFace *face = *iter; - if (voskyp->isReflFace(face)) - { - continue; - } - gGL.getTexUnit(0)->bind(face->getTexture()); - face->renderIndexed(); - } - - // Now, disable texture coord generation on texture state 1 - gGL.getTexUnit(1)->activate(); - gGL.getTexUnit(1)->unbind(LLTexUnit::TT_TEXTURE); - gGL.getTexUnit(1)->disable(); - glDisable(GL_TEXTURE_GEN_S); //texture unit 1 - glDisable(GL_TEXTURE_GEN_T); //texture unit 1 - - // Disable texture coordinate and color arrays - gGL.getTexUnit(0)->activate(); - gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); - - stop_glerror(); - - if (gSky.mVOSkyp->getCubeMap()) - { - gSky.mVOSkyp->getCubeMap()->enable(0); - gSky.mVOSkyp->getCubeMap()->bind(); - - gGL.matrixMode(LLRender::MM_TEXTURE); - gGL.loadIdentity(); - LLMatrix4 camera_mat = LLViewerCamera::getInstance()->getModelview(); - LLMatrix4 camera_rot(camera_mat.getMat3()); - camera_rot.invert(); - - gGL.loadMatrix((F32 *)camera_rot.mMatrix); - - gGL.matrixMode(LLRender::MM_MODELVIEW); - LLOverrideFaceColor overrid(this, 1.f, 1.f, 1.f, 0.5f*up_dot); - - gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT); - - for (std::vector<LLFace*>::iterator iter = mDrawFace.begin(); - iter != mDrawFace.end(); iter++) - { - LLFace *face = *iter; - if (voskyp->isReflFace(face)) - { - //refl_face = face; - continue; - } - - if (face->getGeomCount() > 0) - { - face->renderIndexed(); - } - } - - gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT); - - gSky.mVOSkyp->getCubeMap()->disable(); - - gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); - gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE); - gGL.matrixMode(LLRender::MM_TEXTURE); - gGL.loadIdentity(); - gGL.matrixMode(LLRender::MM_MODELVIEW); - - } - - glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); - - if (refl_face) - { - glStencilFunc(GL_NOTEQUAL, 0, 0xFFFFFFFF); - renderReflection(refl_face); - } - - gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT); -} - -// for low end hardware -void LLDrawPoolWater::renderOpaqueLegacyWater() -{ - LLVOSky *voskyp = gSky.mVOSkyp; - - LLGLSLShader* shader = NULL; - if (LLGLSLShader::sNoFixedFunction) - { - if (LLPipeline::sUnderWaterRender) - { - shader = &gObjectSimpleNonIndexedTexGenWaterProgram; - } - else - { - shader = &gObjectSimpleNonIndexedTexGenProgram; - } - - shader->bind(); - } - - stop_glerror(); - - // Depth sorting and write to depth buffer - // since this is opaque, we should see nothing - // behind the water. No blending because - // of no transparency. And no face culling so - // that the underside of the water is also opaque. - LLGLDepthTest gls_depth(GL_TRUE, GL_TRUE); - LLGLDisable no_cull(GL_CULL_FACE); - LLGLDisable no_blend(GL_BLEND); - - gPipeline.disableLights(); - - mOpaqueWaterImagep->addTextureStats(1024.f*1024.f); - - // Activate the texture binding and bind one - // texture since all images will have the same texture - gGL.getTexUnit(0)->activate(); - gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE); - gGL.getTexUnit(0)->bind(mOpaqueWaterImagep); - - // Automatically generate texture coords for water texture - if (!shader) - { - glEnable(GL_TEXTURE_GEN_S); //texture unit 0 - glEnable(GL_TEXTURE_GEN_T); //texture unit 0 - glTexGenf(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR); - glTexGenf(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR); - } - - // Use the fact that we know all water faces are the same size - // to save some computation - - // Slowly move texture coordinates over time so the watter appears - // to be moving. - F32 movement_period_secs = 50.f; - - F32 offset = fmod(gFrameTimeSeconds, movement_period_secs); - - if (movement_period_secs != 0) - { - offset /= movement_period_secs; - } - else - { - offset = 0; - } - - F32 tp0[4] = { 16.f / 256.f, 0.0f, 0.0f, offset }; - F32 tp1[4] = { 0.0f, 16.f / 256.f, 0.0f, offset }; - - if (!shader) - { - glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0); - glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1); - } - else - { - shader->uniform4fv("object_plane_s", 1, tp0); - shader->uniform4fv("object_plane_t", 1, tp1); - } - - gGL.diffuseColor3f(1.f, 1.f, 1.f); - - for (std::vector<LLFace*>::iterator iter = mDrawFace.begin(); - iter != mDrawFace.end(); iter++) - { - LLFace *face = *iter; - if (voskyp->isReflFace(face)) - { - continue; - } - - face->renderIndexed(); - } - - stop_glerror(); - - if (!shader) - { - // Reset the settings back to expected values - glDisable(GL_TEXTURE_GEN_S); //texture unit 0 - glDisable(GL_TEXTURE_GEN_T); //texture unit 0 - } - - gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); - gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT); -} - - -void LLDrawPoolWater::renderReflection(LLFace* face) -{ - LLVOSky *voskyp = gSky.mVOSkyp; - - if (!voskyp) - { - return; - } - - if (!face->getGeomCount()) - { - return; - } - - S8 dr = voskyp->getDrawRefl(); - if (dr < 0) - { - return; - } - - LLGLSNoFog noFog; - - gGL.getTexUnit(0)->bind(mHBTex[dr]); - - LLOverrideFaceColor override(this, face->getFaceColor().mV); - face->renderIndexed(); -} - -void LLDrawPoolWater::shade() -{ - if (!deferred_render) - { - gGL.setColorMask(true, true); - } - - LLVOSky *voskyp = gSky.mVOSkyp; - - if(voskyp == NULL) - { - return; - } - - LLGLDisable blend(GL_BLEND); - - LLColor3 light_diffuse(0,0,0); - F32 light_exp = 0.0f; - LLVector3 light_dir; - LLColor3 light_color; - - if (gSky.getSunDirection().mV[2] > LLSky::NIGHTTIME_ELEVATION_COS) - { - light_dir = gSky.getSunDirection(); - light_dir.normVec(); - light_color = gSky.getSunDiffuseColor(); - if(gSky.mVOSkyp) { - light_diffuse = gSky.mVOSkyp->getSun().getColorCached(); - light_diffuse.normVec(); - } - light_exp = light_dir * LLVector3(light_dir.mV[0], light_dir.mV[1], 0); - light_diffuse *= light_exp + 0.25f; - } - else - { - light_dir = gSky.getMoonDirection(); - light_dir.normVec(); - light_color = gSky.getMoonDiffuseColor(); - light_diffuse = gSky.mVOSkyp->getMoon().getColorCached(); - light_diffuse.normVec(); - light_diffuse *= 0.5f; - light_exp = light_dir * LLVector3(light_dir.mV[0], light_dir.mV[1], 0); - } - - light_exp *= light_exp; - light_exp *= light_exp; - light_exp *= light_exp; - light_exp *= light_exp; - light_exp *= 256.f; - light_exp = light_exp > 32.f ? light_exp : 32.f; - - LLGLSLShader* shader; - - F32 eyedepth = LLViewerCamera::getInstance()->getOrigin().mV[2] - gAgent.getRegion()->getWaterHeight(); - - if (deferred_render) - { - shader = &gDeferredWaterProgram; - } - else if (eyedepth < 0.f && LLPipeline::sWaterReflections) - { - shader = &gUnderWaterProgram; - } - else - { - shader = &gWaterProgram; - } - - if (deferred_render) - { - gPipeline.bindDeferredShader(*shader); - } - else - { - shader->bind(); - } - - sTime = (F32)LLFrameTimer::getElapsedSeconds()*0.5f; - - S32 reftex = shader->enableTexture(LLViewerShaderMgr::WATER_REFTEX); - - if (reftex > -1) - { - gGL.getTexUnit(reftex)->activate(); - gGL.getTexUnit(reftex)->bind(&gPipeline.mWaterRef); - gGL.getTexUnit(0)->activate(); - } - - //bind normal map - S32 bumpTex = shader->enableTexture(LLViewerShaderMgr::BUMP_MAP); - - LLWaterParamManager * param_mgr = &LLWaterParamManager::instance(); - - // change mWaterNormp if needed - if (mWaterNormp->getID() != param_mgr->getNormalMapID()) - { - mWaterNormp = LLViewerTextureManager::getFetchedTexture(param_mgr->getNormalMapID()); - } - - mWaterNormp->addTextureStats(1024.f*1024.f); - gGL.getTexUnit(bumpTex)->bind(mWaterNormp) ; - if (gSavedSettings.getBOOL("RenderWaterMipNormal")) - { - mWaterNormp->setFilteringOption(LLTexUnit::TFO_ANISOTROPIC); - } - else - { - mWaterNormp->setFilteringOption(LLTexUnit::TFO_POINT); - } - - S32 screentex = shader->enableTexture(LLViewerShaderMgr::WATER_SCREENTEX); - - if (screentex > -1) - { - shader->uniform4fv(LLViewerShaderMgr::WATER_FOGCOLOR, 1, sWaterFogColor.mV); - shader->uniform1f(LLViewerShaderMgr::WATER_FOGDENSITY, - param_mgr->getFogDensity()); - gPipeline.mWaterDis.bindTexture(0, screentex); - } - - stop_glerror(); - - gGL.getTexUnit(screentex)->bind(&gPipeline.mWaterDis); - - if (mVertexShaderLevel == 1) - { - sWaterFogColor.mV[3] = param_mgr->mDensitySliderValue; - shader->uniform4fv(LLViewerShaderMgr::WATER_FOGCOLOR, 1, sWaterFogColor.mV); - } - - F32 screenRes[] = - { - 1.f/gGLViewport[2], - 1.f/gGLViewport[3] - }; - shader->uniform2fv("screenRes", 1, screenRes); - stop_glerror(); - - S32 diffTex = shader->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP); - stop_glerror(); - - light_dir.normVec(); - sLightDir = light_dir; - - light_diffuse *= 6.f; - - //shader->uniformMatrix4fv("inverse_ref", 1, GL_FALSE, (GLfloat*) gGLObliqueProjectionInverse.mMatrix); - shader->uniform1f(LLViewerShaderMgr::WATER_WATERHEIGHT, eyedepth); - shader->uniform1f(LLViewerShaderMgr::WATER_TIME, sTime); - shader->uniform3fv(LLViewerShaderMgr::WATER_EYEVEC, 1, LLViewerCamera::getInstance()->getOrigin().mV); - shader->uniform3fv(LLViewerShaderMgr::WATER_SPECULAR, 1, light_diffuse.mV); - shader->uniform1f(LLViewerShaderMgr::WATER_SPECULAR_EXP, light_exp); - shader->uniform2fv(LLViewerShaderMgr::WATER_WAVE_DIR1, 1, param_mgr->getWave1Dir().mV); - shader->uniform2fv(LLViewerShaderMgr::WATER_WAVE_DIR2, 1, param_mgr->getWave2Dir().mV); - shader->uniform3fv(LLViewerShaderMgr::WATER_LIGHT_DIR, 1, light_dir.mV); - - shader->uniform3fv("normScale", 1, param_mgr->getNormalScale().mV); - shader->uniform1f("fresnelScale", param_mgr->getFresnelScale()); - shader->uniform1f("fresnelOffset", param_mgr->getFresnelOffset()); - shader->uniform1f("blurMultiplier", param_mgr->getBlurMultiplier()); - - F32 sunAngle = llmax(0.f, light_dir.mV[2]); - F32 scaledAngle = 1.f - sunAngle; - - shader->uniform1f("sunAngle", sunAngle); - shader->uniform1f("scaledAngle", scaledAngle); - shader->uniform1f("sunAngle2", 0.1f + 0.2f*sunAngle); - - LLColor4 water_color; - LLVector3 camera_up = LLViewerCamera::getInstance()->getUpAxis(); - F32 up_dot = camera_up * LLVector3::z_axis; - if (LLViewerCamera::getInstance()->cameraUnderWater()) - { - water_color.setVec(1.f, 1.f, 1.f, 0.4f); - shader->uniform1f(LLViewerShaderMgr::WATER_REFSCALE, param_mgr->getScaleBelow()); - } - else - { - water_color.setVec(1.f, 1.f, 1.f, 0.5f*(1.f + up_dot)); - shader->uniform1f(LLViewerShaderMgr::WATER_REFSCALE, param_mgr->getScaleAbove()); - } - - if (water_color.mV[3] > 0.9f) - { - water_color.mV[3] = 0.9f; - } - - { - LLGLEnable depth_clamp(gGLManager.mHasDepthClamp ? GL_DEPTH_CLAMP : 0); - LLGLDisable cullface(GL_CULL_FACE); - for (std::vector<LLFace*>::iterator iter = mDrawFace.begin(); - iter != mDrawFace.end(); iter++) - { - LLFace *face = *iter; - - if (voskyp->isReflFace(face)) - { - continue; - } - - LLVOWater* water = (LLVOWater*) face->getViewerObject(); - gGL.getTexUnit(diffTex)->bind(face->getTexture()); - - sNeedsReflectionUpdate = TRUE; - - if (water->getUseTexture() || !water->getIsEdgePatch()) - { - sNeedsDistortionUpdate = TRUE; - face->renderIndexed(); - } - else if (gGLManager.mHasDepthClamp || deferred_render) - { - face->renderIndexed(); - } - else - { - LLGLSquashToFarClip far_clip(glh_get_current_projection()); - face->renderIndexed(); - } - } - } - - shader->disableTexture(LLViewerShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP); - shader->disableTexture(LLViewerShaderMgr::WATER_SCREENTEX); - shader->disableTexture(LLViewerShaderMgr::BUMP_MAP); - shader->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP); - shader->disableTexture(LLViewerShaderMgr::WATER_REFTEX); - shader->disableTexture(LLViewerShaderMgr::WATER_SCREENDEPTH); - - if (deferred_render) - { - gPipeline.unbindDeferredShader(*shader); - } - else - { - shader->unbind(); - } - - gGL.getTexUnit(0)->activate(); - gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE); - if (!deferred_render) - { - gGL.setColorMask(true, false); - } - -} - -LLViewerTexture *LLDrawPoolWater::getDebugTexture() -{ - return LLViewerFetchedTexture::sSmokeImagep; -} - -LLColor3 LLDrawPoolWater::getDebugColor() const -{ - return LLColor3(0.f, 1.f, 1.f); -} +/**
+ * @file lldrawpoolwater.cpp
+ * @brief LLDrawPoolWater 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 "llfeaturemanager.h"
+#include "lldrawpoolwater.h"
+
+#include "llviewercontrol.h"
+#include "lldir.h"
+#include "llerror.h"
+#include "m3math.h"
+#include "llrender.h"
+
+#include "llagent.h" // for gAgent for getRegion for getWaterHeight
+#include "llcubemap.h"
+#include "lldrawable.h"
+#include "llface.h"
+#include "llsky.h"
+#include "llviewertexturelist.h"
+#include "llviewerregion.h"
+#include "llvosky.h"
+#include "llvowater.h"
+#include "llworld.h"
+#include "pipeline.h"
+#include "llviewershadermgr.h"
+#include "llwaterparammanager.h"
+
+const LLUUID TRANSPARENT_WATER_TEXTURE("2bfd3884-7e27-69b9-ba3a-3e673f680004");
+const LLUUID OPAQUE_WATER_TEXTURE("43c32285-d658-1793-c123-bf86315de055");
+
+static LLStaticHashedString sObjectPlaneS("object_plane_s");
+static LLStaticHashedString sObjectPlaneT("object_plane_t");
+static LLStaticHashedString sScreenRes("screenRes");
+static LLStaticHashedString sNormScale("normScale");
+static LLStaticHashedString sFresnelScale("fresnelScale");
+static LLStaticHashedString sFresnelOffset("fresnelOffset");
+static LLStaticHashedString sBlurMultiplier("blurMultiplier");
+static LLStaticHashedString sSunAngle("sunAngle");
+static LLStaticHashedString sScaledAngle("scaledAngle");
+static LLStaticHashedString sSunAngle2("sunAngle2");
+
+static float sTime;
+
+BOOL deferred_render = FALSE;
+
+BOOL LLDrawPoolWater::sSkipScreenCopy = FALSE;
+BOOL LLDrawPoolWater::sNeedsReflectionUpdate = TRUE;
+BOOL LLDrawPoolWater::sNeedsDistortionUpdate = TRUE;
+LLColor4 LLDrawPoolWater::sWaterFogColor = LLColor4(0.2f, 0.5f, 0.5f, 0.f);
+F32 LLDrawPoolWater::sWaterFogEnd = 0.f;
+
+LLVector3 LLDrawPoolWater::sLightDir;
+
+LLDrawPoolWater::LLDrawPoolWater() :
+ LLFacePool(POOL_WATER)
+{
+ mHBTex[0] = LLViewerTextureManager::getFetchedTexture(gSunTextureID, TRUE, LLViewerTexture::BOOST_UI);
+ gGL.getTexUnit(0)->bind(mHBTex[0]) ;
+ mHBTex[0]->setAddressMode(LLTexUnit::TAM_CLAMP);
+
+ mHBTex[1] = LLViewerTextureManager::getFetchedTexture(gMoonTextureID, TRUE, LLViewerTexture::BOOST_UI);
+ gGL.getTexUnit(0)->bind(mHBTex[1]);
+ mHBTex[1]->setAddressMode(LLTexUnit::TAM_CLAMP);
+
+
+ mWaterImagep = LLViewerTextureManager::getFetchedTexture(TRANSPARENT_WATER_TEXTURE);
+ llassert(mWaterImagep);
+ mWaterImagep->setNoDelete();
+ mOpaqueWaterImagep = LLViewerTextureManager::getFetchedTexture(OPAQUE_WATER_TEXTURE);
+ llassert(mOpaqueWaterImagep);
+ mWaterNormp = LLViewerTextureManager::getFetchedTexture(DEFAULT_WATER_NORMAL);
+ mWaterNormp->setNoDelete();
+
+ restoreGL();
+}
+
+LLDrawPoolWater::~LLDrawPoolWater()
+{
+}
+
+//static
+void LLDrawPoolWater::restoreGL()
+{
+
+}
+
+LLDrawPool *LLDrawPoolWater::instancePool()
+{
+ llerrs << "Should never be calling instancePool on a water pool!" << llendl;
+ return NULL;
+}
+
+
+void LLDrawPoolWater::prerender()
+{
+ mVertexShaderLevel = (gGLManager.mHasCubeMap && LLCubeMap::sUseCubeMaps) ?
+ LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_WATER) : 0;
+
+ // got rid of modulation by light color since it got a little too
+ // green at sunset and sl-57047 (underwater turns black at 8:00)
+ sWaterFogColor = LLWaterParamManager::instance().getFogColor();
+ sWaterFogColor.mV[3] = 0;
+
+}
+
+S32 LLDrawPoolWater::getNumPasses()
+{
+ if (LLViewerCamera::getInstance()->getOrigin().mV[2] < 1024.f)
+ {
+ return 1;
+ }
+
+ return 0;
+}
+
+void LLDrawPoolWater::beginPostDeferredPass(S32 pass)
+{
+ beginRenderPass(pass);
+ deferred_render = TRUE;
+}
+
+void LLDrawPoolWater::endPostDeferredPass(S32 pass)
+{
+ endRenderPass(pass);
+ deferred_render = FALSE;
+}
+
+//===============================
+//DEFERRED IMPLEMENTATION
+//===============================
+void LLDrawPoolWater::renderDeferred(S32 pass)
+{
+ LLFastTimer t(FTM_RENDER_WATER);
+ deferred_render = TRUE;
+ shade();
+ deferred_render = FALSE;
+}
+
+//=========================================
+
+void LLDrawPoolWater::render(S32 pass)
+{
+ LLFastTimer ftm(FTM_RENDER_WATER);
+ if (mDrawFace.empty() || LLDrawable::getCurrentFrame() <= 1)
+ {
+ return;
+ }
+
+ //do a quick 'n dirty depth sort
+ for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
+ iter != mDrawFace.end(); iter++)
+ {
+ LLFace* facep = *iter;
+ facep->mDistance = -facep->mCenterLocal.mV[2];
+ }
+
+ std::sort(mDrawFace.begin(), mDrawFace.end(), LLFace::CompareDistanceGreater());
+
+ // See if we are rendering water as opaque or not
+ if (!gSavedSettings.getBOOL("RenderTransparentWater"))
+ {
+ // render water for low end hardware
+ renderOpaqueLegacyWater();
+ return;
+ }
+
+ LLGLEnable blend(GL_BLEND);
+
+ if ((mVertexShaderLevel > 0) && !sSkipScreenCopy)
+ {
+ shade();
+ return;
+ }
+
+ LLVOSky *voskyp = gSky.mVOSkyp;
+
+ stop_glerror();
+
+ if (!gGLManager.mHasMultitexture)
+ {
+ // Ack! No multitexture! Bail!
+ return;
+ }
+
+ LLFace* refl_face = voskyp->getReflFace();
+
+ gPipeline.disableLights();
+
+ LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
+
+ LLGLDisable cullFace(GL_CULL_FACE);
+
+ // Set up second pass first
+ mWaterImagep->addTextureStats(1024.f*1024.f);
+ gGL.getTexUnit(1)->activate();
+ gGL.getTexUnit(1)->enable(LLTexUnit::TT_TEXTURE);
+ gGL.getTexUnit(1)->bind(mWaterImagep) ;
+
+ LLVector3 camera_up = LLViewerCamera::getInstance()->getUpAxis();
+ F32 up_dot = camera_up * LLVector3::z_axis;
+
+ LLColor4 water_color;
+ if (LLViewerCamera::getInstance()->cameraUnderWater())
+ {
+ water_color.setVec(1.f, 1.f, 1.f, 0.4f);
+ }
+ else
+ {
+ water_color.setVec(1.f, 1.f, 1.f, 0.5f*(1.f + up_dot));
+ }
+
+ gGL.diffuseColor4fv(water_color.mV);
+
+ // Automatically generate texture coords for detail map
+ glEnable(GL_TEXTURE_GEN_S); //texture unit 1
+ glEnable(GL_TEXTURE_GEN_T); //texture unit 1
+ glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+ glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+
+ // Slowly move over time.
+ F32 offset = fmod(gFrameTimeSeconds*2.f, 100.f);
+ F32 tp0[4] = {16.f/256.f, 0.0f, 0.0f, offset*0.01f};
+ F32 tp1[4] = {0.0f, 16.f/256.f, 0.0f, offset*0.01f};
+ glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0);
+ glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1);
+
+ gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_PREV_COLOR);
+ gGL.getTexUnit(1)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_ALPHA);
+
+ gGL.getTexUnit(0)->activate();
+
+ glClearStencil(1);
+ glClear(GL_STENCIL_BUFFER_BIT);
+ LLGLEnable gls_stencil(GL_STENCIL_TEST);
+ glStencilOp(GL_KEEP, GL_REPLACE, GL_KEEP);
+ glStencilFunc(GL_ALWAYS, 0, 0xFFFFFFFF);
+
+ for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
+ iter != mDrawFace.end(); iter++)
+ {
+ LLFace *face = *iter;
+ if (voskyp->isReflFace(face))
+ {
+ continue;
+ }
+ gGL.getTexUnit(0)->bind(face->getTexture());
+ face->renderIndexed();
+ }
+
+ // Now, disable texture coord generation on texture state 1
+ gGL.getTexUnit(1)->activate();
+ gGL.getTexUnit(1)->unbind(LLTexUnit::TT_TEXTURE);
+ gGL.getTexUnit(1)->disable();
+ glDisable(GL_TEXTURE_GEN_S); //texture unit 1
+ glDisable(GL_TEXTURE_GEN_T); //texture unit 1
+
+ // Disable texture coordinate and color arrays
+ gGL.getTexUnit(0)->activate();
+ gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+ stop_glerror();
+
+ if (gSky.mVOSkyp->getCubeMap())
+ {
+ gSky.mVOSkyp->getCubeMap()->enable(0);
+ gSky.mVOSkyp->getCubeMap()->bind();
+
+ gGL.matrixMode(LLRender::MM_TEXTURE);
+ gGL.loadIdentity();
+ LLMatrix4 camera_mat = LLViewerCamera::getInstance()->getModelview();
+ LLMatrix4 camera_rot(camera_mat.getMat3());
+ camera_rot.invert();
+
+ gGL.loadMatrix((F32 *)camera_rot.mMatrix);
+
+ gGL.matrixMode(LLRender::MM_MODELVIEW);
+ LLOverrideFaceColor overrid(this, 1.f, 1.f, 1.f, 0.5f*up_dot);
+
+ gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+
+ for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
+ iter != mDrawFace.end(); iter++)
+ {
+ LLFace *face = *iter;
+ if (voskyp->isReflFace(face))
+ {
+ //refl_face = face;
+ continue;
+ }
+
+ if (face->getGeomCount() > 0)
+ {
+ face->renderIndexed();
+ }
+ }
+
+ gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+
+ gSky.mVOSkyp->getCubeMap()->disable();
+
+ gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+ gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+ gGL.matrixMode(LLRender::MM_TEXTURE);
+ gGL.loadIdentity();
+ gGL.matrixMode(LLRender::MM_MODELVIEW);
+
+ }
+
+ glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
+
+ if (refl_face)
+ {
+ glStencilFunc(GL_NOTEQUAL, 0, 0xFFFFFFFF);
+ renderReflection(refl_face);
+ }
+
+ gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+}
+
+// for low end hardware
+void LLDrawPoolWater::renderOpaqueLegacyWater()
+{
+ LLVOSky *voskyp = gSky.mVOSkyp;
+
+ LLGLSLShader* shader = NULL;
+ if (LLGLSLShader::sNoFixedFunction)
+ {
+ if (LLPipeline::sUnderWaterRender)
+ {
+ shader = &gObjectSimpleNonIndexedTexGenWaterProgram;
+ }
+ else
+ {
+ shader = &gObjectSimpleNonIndexedTexGenProgram;
+ }
+
+ shader->bind();
+ }
+
+ stop_glerror();
+
+ // Depth sorting and write to depth buffer
+ // since this is opaque, we should see nothing
+ // behind the water. No blending because
+ // of no transparency. And no face culling so
+ // that the underside of the water is also opaque.
+ LLGLDepthTest gls_depth(GL_TRUE, GL_TRUE);
+ LLGLDisable no_cull(GL_CULL_FACE);
+ LLGLDisable no_blend(GL_BLEND);
+
+ gPipeline.disableLights();
+
+ mOpaqueWaterImagep->addTextureStats(1024.f*1024.f);
+
+ // Activate the texture binding and bind one
+ // texture since all images will have the same texture
+ gGL.getTexUnit(0)->activate();
+ gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+ gGL.getTexUnit(0)->bind(mOpaqueWaterImagep);
+
+ // Automatically generate texture coords for water texture
+ if (!shader)
+ {
+ glEnable(GL_TEXTURE_GEN_S); //texture unit 0
+ glEnable(GL_TEXTURE_GEN_T); //texture unit 0
+ glTexGenf(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+ glTexGenf(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+ }
+
+ // Use the fact that we know all water faces are the same size
+ // to save some computation
+
+ // Slowly move texture coordinates over time so the watter appears
+ // to be moving.
+ F32 movement_period_secs = 50.f;
+
+ F32 offset = fmod(gFrameTimeSeconds, movement_period_secs);
+
+ if (movement_period_secs != 0)
+ {
+ offset /= movement_period_secs;
+ }
+ else
+ {
+ offset = 0;
+ }
+
+ F32 tp0[4] = { 16.f / 256.f, 0.0f, 0.0f, offset };
+ F32 tp1[4] = { 0.0f, 16.f / 256.f, 0.0f, offset };
+
+ if (!shader)
+ {
+ glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0);
+ glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1);
+ }
+ else
+ {
+ shader->uniform4fv(sObjectPlaneS, 1, tp0);
+ shader->uniform4fv(sObjectPlaneT, 1, tp1);
+ }
+
+ gGL.diffuseColor3f(1.f, 1.f, 1.f);
+
+ for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
+ iter != mDrawFace.end(); iter++)
+ {
+ LLFace *face = *iter;
+ if (voskyp->isReflFace(face))
+ {
+ continue;
+ }
+
+ face->renderIndexed();
+ }
+
+ stop_glerror();
+
+ if (!shader)
+ {
+ // Reset the settings back to expected values
+ glDisable(GL_TEXTURE_GEN_S); //texture unit 0
+ glDisable(GL_TEXTURE_GEN_T); //texture unit 0
+ }
+
+ gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+ gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+}
+
+
+void LLDrawPoolWater::renderReflection(LLFace* face)
+{
+ LLVOSky *voskyp = gSky.mVOSkyp;
+
+ if (!voskyp)
+ {
+ return;
+ }
+
+ if (!face->getGeomCount())
+ {
+ return;
+ }
+
+ S8 dr = voskyp->getDrawRefl();
+ if (dr < 0)
+ {
+ return;
+ }
+
+ LLGLSNoFog noFog;
+
+ gGL.getTexUnit(0)->bind(mHBTex[dr]);
+
+ LLOverrideFaceColor override(this, face->getFaceColor().mV);
+ face->renderIndexed();
+}
+
+void LLDrawPoolWater::shade()
+{
+ if (!deferred_render)
+ {
+ gGL.setColorMask(true, true);
+ }
+
+ LLVOSky *voskyp = gSky.mVOSkyp;
+
+ if(voskyp == NULL)
+ {
+ return;
+ }
+
+ LLGLDisable blend(GL_BLEND);
+
+ LLColor3 light_diffuse(0,0,0);
+ F32 light_exp = 0.0f;
+ LLVector3 light_dir;
+ LLColor3 light_color;
+
+ if (gSky.getSunDirection().mV[2] > LLSky::NIGHTTIME_ELEVATION_COS)
+ {
+ light_dir = gSky.getSunDirection();
+ light_dir.normVec();
+ light_color = gSky.getSunDiffuseColor();
+ if(gSky.mVOSkyp) {
+ light_diffuse = gSky.mVOSkyp->getSun().getColorCached();
+ light_diffuse.normVec();
+ }
+ light_exp = light_dir * LLVector3(light_dir.mV[0], light_dir.mV[1], 0);
+ light_diffuse *= light_exp + 0.25f;
+ }
+ else
+ {
+ light_dir = gSky.getMoonDirection();
+ light_dir.normVec();
+ light_color = gSky.getMoonDiffuseColor();
+ light_diffuse = gSky.mVOSkyp->getMoon().getColorCached();
+ light_diffuse.normVec();
+ light_diffuse *= 0.5f;
+ light_exp = light_dir * LLVector3(light_dir.mV[0], light_dir.mV[1], 0);
+ }
+
+ light_exp *= light_exp;
+ light_exp *= light_exp;
+ light_exp *= light_exp;
+ light_exp *= light_exp;
+ light_exp *= 256.f;
+ light_exp = light_exp > 32.f ? light_exp : 32.f;
+
+ LLGLSLShader* shader;
+
+ F32 eyedepth = LLViewerCamera::getInstance()->getOrigin().mV[2] - gAgent.getRegion()->getWaterHeight();
+
+ if (deferred_render)
+ {
+ shader = &gDeferredWaterProgram;
+ }
+ else if (eyedepth < 0.f && LLPipeline::sWaterReflections)
+ {
+ shader = &gUnderWaterProgram;
+ }
+ else
+ {
+ shader = &gWaterProgram;
+ }
+
+ if (deferred_render)
+ {
+ gPipeline.bindDeferredShader(*shader);
+ }
+ else
+ {
+ shader->bind();
+ }
+
+ sTime = (F32)LLFrameTimer::getElapsedSeconds()*0.5f;
+
+ S32 reftex = shader->enableTexture(LLViewerShaderMgr::WATER_REFTEX);
+
+ if (reftex > -1)
+ {
+ gGL.getTexUnit(reftex)->activate();
+ gGL.getTexUnit(reftex)->bind(&gPipeline.mWaterRef);
+ gGL.getTexUnit(0)->activate();
+ }
+
+ //bind normal map
+ S32 bumpTex = shader->enableTexture(LLViewerShaderMgr::BUMP_MAP);
+
+ LLWaterParamManager * param_mgr = &LLWaterParamManager::instance();
+
+ // change mWaterNormp if needed
+ if (mWaterNormp->getID() != param_mgr->getNormalMapID())
+ {
+ mWaterNormp = LLViewerTextureManager::getFetchedTexture(param_mgr->getNormalMapID());
+ }
+
+ mWaterNormp->addTextureStats(1024.f*1024.f);
+ gGL.getTexUnit(bumpTex)->bind(mWaterNormp) ;
+ if (gSavedSettings.getBOOL("RenderWaterMipNormal"))
+ {
+ mWaterNormp->setFilteringOption(LLTexUnit::TFO_ANISOTROPIC);
+ }
+ else
+ {
+ mWaterNormp->setFilteringOption(LLTexUnit::TFO_POINT);
+ }
+
+ S32 screentex = shader->enableTexture(LLViewerShaderMgr::WATER_SCREENTEX);
+
+ if (screentex > -1)
+ {
+ shader->uniform4fv(LLViewerShaderMgr::WATER_FOGCOLOR, 1, sWaterFogColor.mV);
+ shader->uniform1f(LLViewerShaderMgr::WATER_FOGDENSITY,
+ param_mgr->getFogDensity());
+ gPipeline.mWaterDis.bindTexture(0, screentex);
+ }
+
+ stop_glerror();
+
+ gGL.getTexUnit(screentex)->bind(&gPipeline.mWaterDis);
+
+ if (mVertexShaderLevel == 1)
+ {
+ sWaterFogColor.mV[3] = param_mgr->mDensitySliderValue;
+ shader->uniform4fv(LLViewerShaderMgr::WATER_FOGCOLOR, 1, sWaterFogColor.mV);
+ }
+
+ F32 screenRes[] =
+ {
+ 1.f/gGLViewport[2],
+ 1.f/gGLViewport[3]
+ };
+ shader->uniform2fv(sScreenRes, 1, screenRes);
+ stop_glerror();
+
+ S32 diffTex = shader->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
+ stop_glerror();
+
+ light_dir.normVec();
+ sLightDir = light_dir;
+
+ light_diffuse *= 6.f;
+
+ //shader->uniformMatrix4fv("inverse_ref", 1, GL_FALSE, (GLfloat*) gGLObliqueProjectionInverse.mMatrix);
+ shader->uniform1f(LLViewerShaderMgr::WATER_WATERHEIGHT, eyedepth);
+ shader->uniform1f(LLViewerShaderMgr::WATER_TIME, sTime);
+ shader->uniform3fv(LLViewerShaderMgr::WATER_EYEVEC, 1, LLViewerCamera::getInstance()->getOrigin().mV);
+ shader->uniform3fv(LLViewerShaderMgr::WATER_SPECULAR, 1, light_diffuse.mV);
+ shader->uniform1f(LLViewerShaderMgr::WATER_SPECULAR_EXP, light_exp);
+ shader->uniform2fv(LLViewerShaderMgr::WATER_WAVE_DIR1, 1, param_mgr->getWave1Dir().mV);
+ shader->uniform2fv(LLViewerShaderMgr::WATER_WAVE_DIR2, 1, param_mgr->getWave2Dir().mV);
+ shader->uniform3fv(LLViewerShaderMgr::WATER_LIGHT_DIR, 1, light_dir.mV);
+
+ shader->uniform3fv(sNormScale, 1, param_mgr->getNormalScale().mV);
+ shader->uniform1f(sFresnelScale, param_mgr->getFresnelScale());
+ shader->uniform1f(sFresnelOffset, param_mgr->getFresnelOffset());
+ shader->uniform1f(sBlurMultiplier, param_mgr->getBlurMultiplier());
+
+ F32 sunAngle = llmax(0.f, light_dir.mV[2]);
+ F32 scaledAngle = 1.f - sunAngle;
+
+ shader->uniform1f(sSunAngle, sunAngle);
+ shader->uniform1f(sScaledAngle, scaledAngle);
+ shader->uniform1f(sSunAngle2, 0.1f + 0.2f*sunAngle);
+
+ LLColor4 water_color;
+ LLVector3 camera_up = LLViewerCamera::getInstance()->getUpAxis();
+ F32 up_dot = camera_up * LLVector3::z_axis;
+ if (LLViewerCamera::getInstance()->cameraUnderWater())
+ {
+ water_color.setVec(1.f, 1.f, 1.f, 0.4f);
+ shader->uniform1f(LLViewerShaderMgr::WATER_REFSCALE, param_mgr->getScaleBelow());
+ }
+ else
+ {
+ water_color.setVec(1.f, 1.f, 1.f, 0.5f*(1.f + up_dot));
+ shader->uniform1f(LLViewerShaderMgr::WATER_REFSCALE, param_mgr->getScaleAbove());
+ }
+
+ if (water_color.mV[3] > 0.9f)
+ {
+ water_color.mV[3] = 0.9f;
+ }
+
+ {
+ LLGLEnable depth_clamp(gGLManager.mHasDepthClamp ? GL_DEPTH_CLAMP : 0);
+ LLGLDisable cullface(GL_CULL_FACE);
+ for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
+ iter != mDrawFace.end(); iter++)
+ {
+ LLFace *face = *iter;
+
+ if (voskyp->isReflFace(face))
+ {
+ continue;
+ }
+
+ LLVOWater* water = (LLVOWater*) face->getViewerObject();
+ gGL.getTexUnit(diffTex)->bind(face->getTexture());
+
+ sNeedsReflectionUpdate = TRUE;
+
+ if (water->getUseTexture() || !water->getIsEdgePatch())
+ {
+ sNeedsDistortionUpdate = TRUE;
+ face->renderIndexed();
+ }
+ else if (gGLManager.mHasDepthClamp || deferred_render)
+ {
+ face->renderIndexed();
+ }
+ else
+ {
+ LLGLSquashToFarClip far_clip(glh_get_current_projection());
+ face->renderIndexed();
+ }
+ }
+ }
+
+ shader->disableTexture(LLViewerShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);
+ shader->disableTexture(LLViewerShaderMgr::WATER_SCREENTEX);
+ shader->disableTexture(LLViewerShaderMgr::BUMP_MAP);
+ shader->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
+ shader->disableTexture(LLViewerShaderMgr::WATER_REFTEX);
+ shader->disableTexture(LLViewerShaderMgr::WATER_SCREENDEPTH);
+
+ if (deferred_render)
+ {
+ gPipeline.unbindDeferredShader(*shader);
+ }
+ else
+ {
+ shader->unbind();
+ }
+
+ gGL.getTexUnit(0)->activate();
+ gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+ if (!deferred_render)
+ {
+ gGL.setColorMask(true, false);
+ }
+
+}
+
+LLViewerTexture *LLDrawPoolWater::getDebugTexture()
+{
+ return LLViewerFetchedTexture::sSmokeImagep;
+}
+
+LLColor3 LLDrawPoolWater::getDebugColor() const
+{
+ return LLColor3(0.f, 1.f, 1.f);
+}
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