void LLDrawPoolTerrain::renderFullShader() { // Hack! Get the region that this draw pool is rendering from! LLViewerRegion *regionp = mDrawFace[0]->getDrawable()->getVObj()->getRegion(); LLVLComposition *compp = regionp->getComposition(); LLViewerTexture *detail_texture0p = compp->mDetailTextures[0]; LLViewerTexture *detail_texture1p = compp->mDetailTextures[1]; LLViewerTexture *detail_texture2p = compp->mDetailTextures[2]; LLViewerTexture *detail_texture3p = compp->mDetailTextures[3]; LLVector3d region_origin_global = gAgent.getRegion()->getOriginGlobal(); F32 offset_x = (F32)fmod(region_origin_global.mdV[VX], 1.0/(F64)sDetailScale)*sDetailScale; F32 offset_y = (F32)fmod(region_origin_global.mdV[VY], 1.0/(F64)sDetailScale)*sDetailScale; LLVector4 tp0, tp1; tp0.setVec(sDetailScale, 0.0f, 0.0f, offset_x); tp1.setVec(0.0f, sDetailScale, 0.0f, offset_y); // // detail texture 0 // S32 detail0 = sShader->enableTexture(LLViewerShaderMgr::TERRAIN_DETAIL0); gGL.getTexUnit(detail0)->bind(detail_texture0p); gGL.getTexUnit(0)->activate(); LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr; llassert(shader); shader->uniform4fv("object_plane_s", 1, tp0.mV); shader->uniform4fv("object_plane_t", 1, tp1.mV); gGL.matrixMode(LLRender::MM_TEXTURE); gGL.loadIdentity(); gGL.matrixMode(LLRender::MM_MODELVIEW); // // detail texture 1 // S32 detail1 = sShader->enableTexture(LLViewerShaderMgr::TERRAIN_DETAIL1); gGL.getTexUnit(detail1)->bind(detail_texture1p); /// ALPHA TEXTURE COORDS 0: gGL.getTexUnit(1)->activate(); gGL.matrixMode(LLRender::MM_TEXTURE); gGL.loadIdentity(); gGL.matrixMode(LLRender::MM_MODELVIEW); // detail texture 2 // S32 detail2 = sShader->enableTexture(LLViewerShaderMgr::TERRAIN_DETAIL2); gGL.getTexUnit(detail2)->bind(detail_texture2p); gGL.getTexUnit(2)->activate(); /// ALPHA TEXTURE COORDS 1: gGL.matrixMode(LLRender::MM_TEXTURE); gGL.loadIdentity(); gGL.translatef(-2.f, 0.f, 0.f); gGL.matrixMode(LLRender::MM_MODELVIEW); // // detail texture 3 // S32 detail3 = sShader->enableTexture(LLViewerShaderMgr::TERRAIN_DETAIL3); gGL.getTexUnit(detail3)->bind(detail_texture3p); /// ALPHA TEXTURE COORDS 2: gGL.getTexUnit(3)->activate(); gGL.matrixMode(LLRender::MM_TEXTURE); gGL.loadIdentity(); gGL.translatef(-1.f, 0.f, 0.f); gGL.matrixMode(LLRender::MM_MODELVIEW); // // Alpha Ramp // S32 alpha_ramp = sShader->enableTexture(LLViewerShaderMgr::TERRAIN_ALPHARAMP); gGL.getTexUnit(alpha_ramp)->bind(m2DAlphaRampImagep); // GL_BLEND disabled by default drawLoop(); // Disable multitexture sShader->disableTexture(LLViewerShaderMgr::TERRAIN_ALPHARAMP); sShader->disableTexture(LLViewerShaderMgr::TERRAIN_DETAIL0); sShader->disableTexture(LLViewerShaderMgr::TERRAIN_DETAIL1); sShader->disableTexture(LLViewerShaderMgr::TERRAIN_DETAIL2); sShader->disableTexture(LLViewerShaderMgr::TERRAIN_DETAIL3); gGL.getTexUnit(alpha_ramp)->unbind(LLTexUnit::TT_TEXTURE); gGL.getTexUnit(4)->disable(); gGL.getTexUnit(4)->activate(); gGL.getTexUnit(detail3)->unbind(LLTexUnit::TT_TEXTURE); gGL.getTexUnit(3)->disable(); gGL.getTexUnit(3)->activate(); gGL.matrixMode(LLRender::MM_TEXTURE); gGL.loadIdentity(); gGL.matrixMode(LLRender::MM_MODELVIEW); gGL.getTexUnit(detail2)->unbind(LLTexUnit::TT_TEXTURE); gGL.getTexUnit(2)->disable(); gGL.getTexUnit(2)->activate(); gGL.matrixMode(LLRender::MM_TEXTURE); gGL.loadIdentity(); gGL.matrixMode(LLRender::MM_MODELVIEW); gGL.getTexUnit(detail1)->unbind(LLTexUnit::TT_TEXTURE); gGL.getTexUnit(1)->disable(); gGL.getTexUnit(1)->activate(); gGL.matrixMode(LLRender::MM_TEXTURE); gGL.loadIdentity(); gGL.matrixMode(LLRender::MM_MODELVIEW); //---------------------------------------------------------------------------- // Restore Texture Unit 0 defaults gGL.getTexUnit(detail0)->unbind(LLTexUnit::TT_TEXTURE); gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE); gGL.getTexUnit(0)->activate(); gGL.matrixMode(LLRender::MM_TEXTURE); gGL.loadIdentity(); gGL.matrixMode(LLRender::MM_MODELVIEW); }
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; } glColor4fv(water_color.mV); { 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()) { sNeedsDistortionUpdate = TRUE; face->renderIndexed(); } else { //smash background faces to far clip plane if (water->getIsEdgePatch()) { if (deferred_render) { face->renderIndexed(); } else { LLGLClampToFarClip far_clip(glh_get_current_projection()); face->renderIndexed(); } } else { sNeedsDistortionUpdate = TRUE; 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); } }
// 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(); //Singu note: This is a hack around bizarre opensim behavior. The opaque water texture we get is pure white and only has one channel. // This behavior is clearly incorrect, so we try to detect that case, purge it from the cache, and try to re-fetch the texture. // If the re-fetched texture is still invalid, or doesn't exist, we use transparent water, which is fine since alphablend is unset. // The current logic for refetching is crude here, and probably wont work if, say, a prim were to also have the texture for some reason, // however it works well enough otherwise, and is much cleaner than diving into LLTextureList, LLViewerFetchedTexture, and LLViewerTexture. // Perhaps a proper reload mechanism could be done if we ever add user-level texture reloading, but until then it's not a huge priority. // Failing to fully refetch will just give us the same invalid texture we started with, which will result in the fallback texture being used. if(mOpaqueWaterImagep != mWaterImagep) { if(mOpaqueWaterImagep->isMissingAsset()) { mOpaqueWaterImagep = mWaterImagep; } else if(mOpaqueWaterImagep->hasGLTexture() && mOpaqueWaterImagep->getComponents() < 3) { LLAppViewer::getTextureCache()->removeFromCache(mOpaqueWaterImagep->getID()); static bool sRefetch = true; if(sRefetch) { sRefetch = false; ((LLViewerFetchedTexture*)mOpaqueWaterImagep.get())->forceRefetch(); } else mOpaqueWaterImagep = mWaterImagep; } } 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 glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR); glTexGeni(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 water appears // to be moving. F32 movement_period_secs = 50.f; static const LLCachedControl<bool> freeze_time("FreezeTime",false); static F32 frame_time; if (!freeze_time) frame_time = gFrameTimeSeconds; F32 offset = fmod(frame_time, 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); }